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R&S FSQ-K100/ -K102/ -K104 EUTRA / LTE

1. 94 PE LCR SUM Ee En 94 FORAN 95 NTEE NIS r 95 NEGER IR NT Pi O E Umm 96 NE ME mcm 95 User Manual 1173 0620 42 04 122 R amp S FSQ K100 K102 K104 List of Commands leie AREMT 96 INPUCDIG RANGE UP POI e 97 NPD Mr 97 NPE ATT MI Ne 97 NER YIG A Ire v 98 NPR 97 INPUHO Nee EH TAT KC 98 A o e E E 98 NUPEN 98 INPUCS Lur 99 NET ERE AD 99 NTE ELEN 99 MME Mory LOAD DEMOdS ENGS noia 100 MME Mon LOAD TMOD DE 100 WAC CG IL Sr FLA INESS eege 114 FANN 110 TRlGgert GEOuencelHOL Doft anahyzerz nn 115 TRIGger SEQuence LEVel lt analyzer gt EXTernall ooonccccocnncconcnoccccnnccccnncoonnnnnoncnconnnnnnnnnnnnoncnnonannnnononos 115 TRlGoert GEOuencetMODE 115 BINE SCIL REN mmm 116 NTE MT ee 116 PENSEL FRE GUEC CENTE antics eanie aadieteeaeseoenieed 105 IGENZGetiO DiTHertStATel 106 PEN TOP Ne 106 SENSelPOWerACHannel AACH a ln socios 106 e LR ee Kee MI EE 107 IGENZGelbPOWWer AUT O anahvzerzfGiAtel nennen enne nnne nn enar sa nnns an 106 PENSE POW er NC OR Fe e EEN 107 PENSE POWE SEN TSG Oly HJ 107 SENSO SYV PIG 108 BENEA ME 108 sims SY NG STAT akkenesd 108 PENSE LTE DL DE NOG NU Os ERN 102 IGENGeI TED
2. cc cccccccccccceeececeeeeeeeseeeeeseeeeesseeseeeaseeesaaes 87 aaa ES a MT 88 FEITE PT 89 PITT A 89 FETCh SUMMary CREST RA tena nt papa eue tk pit EE rh arteria riadas 89 FETCh SUMMary EVM DSQP AVERage esee nnne nnne nnne nnn nnns nnn nnn 89 FE TOChSUMManv EVM DSGEITAVEHRagel nnne nnnm nnn nnne nnn nnne nn nnne nnn 90 FETCh SUMMary EVM DSST AVERage eese nnne nnn nennen nennen nnn nnn 90 FETCh SUMMary EVM PCHannel MAXimum esses nennen nennen nnne nn enhn nennen nnn nnne nnn nnne 90 FETCh SUMMary EVM PCHannel MINimum esses nennen nnne nnne nnne nnn nnne nnne 90 FE TOCh SUMManv EVM PDC Hanne AVEHRagel 90 FEICh SUMMary EVM PSlGnal MAXIMUM nnne nnn nn enhn nennen rn nnn nnn nnn nnne 91 FE TCh GUMManv EVMPDGlGnalMiNmmum nnne nennen nnn nnne nnn nnns nnn nnne nnn 91 IS E RE Ee OR TEE Ge E EE 91 FETCh SUMMary EV MALL MA GU edel mdi Genet 91 FE TOh SUlMhManv EVMI AL LI MlNmmum EE 91 FE TCh GUMManv EVMI A UIAVERaoel mnn nnns 91 FE TOCh GUMManv FER or MA imum nennen ener nnne nn nennen nn nns nn arn rris enirn nnns eser n nnns enar nnne 91 FETCh SUMMary FERRor MihNmmum nennen nennen nennen nennen nar nn rise sa nnns s enirn nennen nnn rna 91 FE TOChSUMManv FERROrLAVERAQE nennen nennen nnn nn nnn nnn TANA randa nna ann nnne 91 FE TCh GUMManv GlM alance MA imum nennen nnne n enhn nnne rh nnns nn nnn nnne n arn n nnne nnn nnn 92 FETCh SUMMary GIMBalance MI
3. No sobrecargue las tomas de corriente los cables alargadores o las regletas de enchufe ya que esto podr a causar fuego o choques el ctricos En las mediciones en circuitos de corriente con una tensi n Ue gt 30 V se deber n tomar las medidas apropiadas para impedir cualquier peligro p ej medios de medici n adecuados seguros limitaci n de tensi n corte protector aislamiento etc Para la conexi n con dispositivos inform ticos como un PC o un ordenador industrial debe comprobarse que stos cumplan los est ndares IEC60950 1 EN60950 1 o IEC61010 1 EN 61010 1 v lidos en cada caso A menos que est permitido expresamente no retire nunca la tapa ni componentes de la carcasa mientras el producto est en servicio Esto pone a descubierto los cables y componentes el ctricos y puede causar lesiones fuego o dafios en el producto 1171 0000 42 05 00 Page 9 12 13 14 15 16 17 18 Informaciones elementales de seguridad Si un producto se instala en un lugar fijo se deber primero conectar el conductor de protecci n fijo con el conductor de protecci n del producto antes de hacer cualquier otra conexi n La instalaci n y la conexi n deber n ser efectuadas por un electricista especializado En el caso de dispositivos fijos que no est n provistos de fusibles interruptor autom tico ni otros mecanismos de seguridad similares el circuito de alimentaci n debe estar protegido de modo que todas las
4. This command turns the PBCH on and off Parameters boolean ON OFF RST ON Example CONF DL PBCH STAT ON Activates the PBCH CONFigure LTE DL PCFich POWer Power This command defines the relative power of the PCFICH Parameters Power numeric value RST 0 dB Default unit DB Example CONF DL PCF POW 0 Sets the relative power to 0 dB CONFigure LTE DL PCFich STAT boolean This command turns the PCFICH on and off Parameters boolean ON OFF RST ON Example CONF DL PCF STAT ON Activates the PCFICH CONFigure LTE DL PDCCh FORMat Format This command selects the PDCCH format User Manual 1173 0620 42 04 79 R amp S FSQ K100 K102 K104 Remote Control EE CONFigure Subsystem Parameters Format 1 0 1 213 RST 1 Example CONF DL PDCCH FORM 0 Sets the PDDCH format to O CONFigure LTE DL PDCCh NOPD lt NofPDCCH gt This command sets the number of PDCCHS Parameters lt NofPDCCH gt lt numeric value gt RST 0 Example CONF DL PDCCH NOPD 3 Sets the number of DPCCHs to 3 CONFigure LTE DL PDCCh POWer Power This command defines the relative power of the PDCCH Parameters Power numeric value RST 0 dB Default unit DB Example CONF DL PDCCH POW 1 2 Sets the relative power to 1 2 dB CONFigure LTE DL PHICh DURation Duration This command selects the PHICH duration Parameters Duration NORM Normal
5. e Antenna port Amarna port 1 Amenna por 2 A nienna pon 3 Fig 2 6 Downlink Reference Signal Structure Normal Cyclic Prefix The reference signal sequence carries the cell identity Each reference signal sequence is generated as a symbol by symbol product of an orthogonal sequence r9 three of them existing and a pseudo random sequence r 170 of them existing Each cell identity corresponds to a unique combination of one orthogonal sequence r9 and one pseudo random sequence r 5 allowing 510 different cell identities Frequency hopping can be applied to the downlink reference signals The frequency hopping pattern has a period of one frame 10 ms During cell search different types of information need to be identified by the handset symbol and radio frame timing frequency cell identification overall transmission band width antenna configuration and cyclic prefix length Besides the reference symbols synchronization signals are therefore needed during cell search EUTRA uses a hierarchical cell search scheme similar to WCDMA This means that the synchronization acquisition and the cell group identifier are obtained from differ ent synchronization signals Thus a primary synchronization signal P SYNC and a secondary synchronization signal S SYNC are assigned a predefined structure They are transmitted on the 72 center subcarriers around the DC subcarrier within the same predefined slots twice per 10 ms on
6. 95 INIT Tate SUBS SN eek 95 NPS cir T M 96 Jett e EE CT BE 99 MMEMory SUDSySIOITI uoce und nl in 100 SENSE SUDSYS lE 100 Re ET E IN acteciedisreccicecavecas cenu enneraridennaneenencousenseenrcebesinauonsasedsnneenactoenmeercadeens 108 TRIGO Subsysle n 115 UNIT SUBSYSTEM c 116 Status Reporting System LTE Measurements esee 116 List of COMMUN QING Lm 121 Je Ma H 124 User Manual 1173 0620 42 04 4 R amp S9FSQ K100 K102 K104 Typographical Conventions 1 Typographical Conventions The following text markers are used throughout this documentation Graphical user interface elements All names of graphical user interface elements on the screen such as dialog boxes menus options but tons and softkeys are enclosed by quotation marks KEYS Key names are written in capital letters File names commands program code File names commands coding samples and screen output are distinguished by their font Input to be entered by the user is displayed in italics Links that you can click are displayed in blue font References References to other parts of the documentation are enclosed by quotation marks User Manual 1173 0620 42 04 5 R amp S FSQ K100 K102 K104 Introduction EUTR
7. Las asas instaladas en los productos sirven solamente de ayuda para el transporte del producto por personas Por eso no est permitido utilizar las asas para la sujeci n en o sobre medios de transporte como p ej gruas carretillas elevadoras de horquilla carros etc Es responsabilidad suya fijar los productos de manera segura a los medios de transporte o elevaci n Para evitar da os personales o dafios en el producto siga las instrucciones de seguridad del fabricante del medio de transporte o elevaci n utilizado Si se utiliza el producto dentro de un veh culo recae de manera exclusiva en el conductor la responsabilidad de conducir el veh culo de manera segura y adecuada El fabricante no asumir ninguna responsabilidad por accidentes o colisiones No utilice nunca el producto dentro de un veh culo en movimiento si esto pudiera distraer al conductor Asegure el producto dentro del veh culo debidamente para evitar en caso de un accidente lesiones u otra clase de dafios Eliminaci n 1 Si se trabaja de manera mec nica y o t rmica cualquier producto o componente m s all del funcionamiento previsto pueden liberarse sustancias peligrosas polvos con contenido de metales pesados como p ej plomo berilio o n quel Por eso el producto solo debe ser desmontado por personal especializado con formaci n adecuada Un desmontaje inadecuado puede ocasionar dafios para la salud Se deben tener en cuenta las directivas nacionales refer
8. Tags and their meaning The following signal words are used in the product documentation in order to warn the reader about risks and dangers indicates a hazardous situation which if not avoided will result in death or DANGER serious injury WARNING indicates a hazardous situation which if not avoided could result in death or serious injury indicates a hazardous situation which if not avoided could result in minor or moderate injury indicates the possibility of incorrect operation which can result in damage to NOTICE the product In the product documentation the word ATTENTION is used synonymously These tags are in accordance with the standard definition for civil applications in the European Economic Area Definitions that deviate from the standard definition may also exist in other economic areas or military applications It is therefore essential to make sure that the tags described here are always used only in connection with the related product documentation and the related product The use of tags in connection with unrelated products or documentation can result in misinterpretation and in personal injury or material damage Operating states and operating positions The product may be operated only under the operating conditions and in the positions specified by the manufacturer without the product s ventilation being obstructed If the manufacturer s specifications are not observed this can result i
9. CONFigure LTE DL BW on page 76 CONFigure LTE DL NORB on page 78 Cyclic Prefix The cyclic prefix serves as a guard interval between OFDM symbols to avoid interferen ces The standard specifies two cyclic prefix modes with a different length each The cyclic prefix mode defines the number of OFDM symbols in a slot e Normal A slot contains 7 OFDM symbols e Extended A slot contains 6 OFDM symbols The extended cyclic prefix is able to cover larger cell sizes with higher delay spread of the radio channel e Auto The application automatically detects the cyclic prefix mode in use SCPI command CONFigure LTE DL CYCPrefix on page Level Settings Level settings include general parameters necessary to adjust the R amp S FSQ to the power level of the signal You can find the level settings in the General Settings dialog box perle OL MIMO Advanced Level Settings Ref Level RF Auto Level 19 dBm Ext Att D dB Reference Level Sets the reference level of the R amp S FSQ The reference level is the power level the R amp S FSQ expects at the RF input Keep in mind that the power level at the RF input is the peak enevelope power in case of signals with a high crest factor like LTE To get the best dynamic range you have to set the reference level as low as possible Atthe same time make sure that the maximum signal level does not exceed the reference level If it does it will overload the A D converter rega
10. Downlink UL Uplink Example CONFSLDER DL EUTRA LTE option is configured to analyze downlink signals CONFigure POWer EXPected IQ lt analyzer gt lt RefLev gt This command defines the reference level when the input source is baseband Parameters RefLev numeric value Range 31 6 mV to 5 62V RST 1V Example CONF POW EXP IQ2 3 61 Sets the baseband reference level used by analyzer 2 to 3 61 V CONFigure POWer EXPected RF analyzer lt RefLev gt This command defines the reference level when the input source is RF Parameters RefLev RST 30 dBm Default unit DBM User Manual 1173 0620 42 04 86 R amp S9FSQ K100 K102 K104 Remote Control 9 4 9 5 DISPlay Subsystem Example CONF POW EXP RF3 20 Sets the radio frequency reference level used by analyzer 3 to 20 dBm DISPlay Subsystem DISPIS AR d SELBE EE 87 DiGbil wl WiNDow nztIRAC ect vTSCAlelbRlEVelOktGet 87 DISPlay WINDow lt n gt SELect This command selects the measurement window Suffix lt n gt 1 2 WINDow1 selects screen A WINDow2 selects screen B After a preset or reset screen A is active Example DISP WIND2 SEL Selects screen B Usage Event DISPlay WINDow n TRACe t Y SCALe RLEVel OFFSet lt ExtAtten gt This command selects the external attenuation or gain applied to the RF signal Parameters lt ExtAtten gt lt numeric value gt RST 0 Default unit dB Example DISP TRAC Y RLEV OFFS 1
11. HAT ES BEE Le E E STATus OPERatlon E AE STATus QUEStionable ACPLImit AA E Sall e u zog TI NEN 15 mo used ne used E Cie 14 13 ACPLImit 12 SRE STE SYNE a 10 LMARGin 0 ol o Low El 8 CaLibration UNGAL D al LMARgin 8 FAIL LIME B FAIL H LM Rgn 7 FAIL 6 el Lime FAIL 5 FREQuencr LMARgnBFALL Is al Lima FAIL D D LIME 5 FAIL Pomar EI al Liss FAIL 2 Litas a FAIL H D Linas 2 FAIL o D LINSE 1 FAIL TATus QUEStianable ESstonable LMARgin lt 1 23 gt STATusrGLlEStIonable LIM WT 2 af 3 amp en not ueri IF Creeraad Screen B1 LO UNLacked Screen Di UNE ericad Screen B OWERioad Screen B 247 Po e Lag JIID 5 kon 3H ER H ZH IF Overload Screen A ES LO UNLacked Screen A D UNDerlcad Screen A Error Event Output D OWERload Screen AS Butter ESE E 9 15 1 STATus QUEStionable LIMit Register The STATus QUEStionable LIMit register contains information about the results of a limit check when you are working with limit lines R amp S FSQ K100 K102 K104 Remote Control EEE se Status Reporting System LTE Measurements The LTE measurement application contains one LIMit register only because limit lines are always displayed in screen B The number of LIMit registers depends on the number of measurement windows available in a
12. Return values lt TrigToFrame gt lt numeric value gt Default unit s User Manual 1173 0620 42 04 94 R amp S FSQ K100 K102 K104 Remote Control FORMat Subsystem Example FETC SUMM TFR Returns the trigger to frame value Usage Query only 9 6 FORMat Subsystem so SR 95 FORMat DATA lt Format gt Specifies the data format for the data transmission between the LTE measurement appli cation and the remote client Supported formats are ASCII or REAL32 Parameters Format ASCii REAL RST ASCii Return values lt BitLen gt Example FORM REAL The software will send binary data in Real32 data format 9 7 INITiate Subsystem dE NEC Mi cic TCR ME 95 de NN ON NUIT RENE 95 PSD TVG PRE EE 96 INITiate IMMediate This command initiates a new measurement sequence With a frame count gt O this means a restart of the corresponding number of measure ments In single sweep mode you can synchronize to the end of the measurement with OPC In continuous sweep mode synchronization to the end of the sweep is not possible Example INIT Initiates anew measurement Usage Event INITiate CONTinuous lt boolean gt This command controls the sweep mode User Manual 1173 0620 42 04 95 R amp S9FSQ K100 K102 K104 Remote Control 9 8 INPut Subsystem Parameters boolean ON OFF ON Continuous sweep OFF Single sweep RST OFF Example INIT CONT OFF Switches the sequ
13. FELE KL od 108 ISENSel SE SN 108 BENSEESMN 6 ESN IE eee nana 108 SENSe L TE FRAMe COUNt lt NofSF gt This command sets the number of frames you want to analyze Parameters NofSF numeric value RST 1 Example FRAM COUN STAT ON Activates manual input of frames to be analyzed FRAM COUN 20 Analyzes 20 frames SENSe LTE FRAMe COUNt AUTO boolean This command turns automatic selection of the number of frames to analyze on and off Parameters boolean ON Selects the number of frames to analyze according to the LTE standard OFF Turns manual selection of the frame number on Example FRAM COUN AUTO ON Turns automatic selection of the analyzed frames on User Manual 1173 0620 42 04 101 R amp S FSQ K100 K102 K104 Remote Control Er EEE VFNOEFJm E pt sr sp Spee l SENSe Subsystem SENSe LTE FRAMe COUNt STATe boolean This command turns manual selection of the number of frames you want to analyze on and off Parameters boolean ON You can set the number of frames to analyze OFF The R amp S FSQ analyzes a single sweep RST ON Example FRAM COUN STAT ON Turns manual setting of number of frames to analyze on SENSe LTE DL DEMod AUTO boolean This command turns automatic demodulation for downlink signals on and off Parameters boolean ON OFF RST ON Example SENS DL DEM AUTO ON Activates the auto demodulation for
14. INSTrument NSELect lt Mode gt This command selects the measurement mode by means of numbers Parameters lt Mode gt 1 Spectrum mode 100 LTE measurement application uplink and downlink RST 1 Example INST NSEL 1 Switches the instrument to Spectrum mode User Manual 1173 0620 42 04 99 R amp S FSQ K100 K102 K104 Remote Control MMEMory Subsystem 9 10 MMEMory Subsystem MME Morv LOAD D Modeettings 100 im ire ue KB IE S Pax m E A EAEEREN 100 MMEMory LOAD DEModsettings Path This command restores previously saved demodulation settings The file must be of type allocation and depends on the link direction that was currently selected when the file was saved You can load only files with correct link directions Setting parameters Path String containing the path and name of the file Example MMEM LOAD DEM D USER Settingsfile allocation Usage Setting only MMEMory LOAD TMOD DL lt TestModel gt This command loads an EUTRA test model E TM The test models are in accordance with 3GPP TS 36 141 Setting parameters lt TestModel gt E TM1 1 10MHz EUTRA Test Model 1 1 E TM1 1 E TM1 2 10MHz EUTRA Test Model 1 2 E TM1 2 E TM2 10MHz EUTRA Test Model 2 E TM2 E TM3 1 10MHz EUTRA Test Model 3 1 E TM3 1 E TM3 2 10MHz EUTRA Test Model 3 2 E TM3 2 E TM3 3 10MHz EUTRA Test Model 3 3 E TM3 3 Example MMEM LOAD TMOD DL E TM2 10MHz Selects test model 2 for a 10 MHz ban
15. Tx Antenna Selection occcoccccoccccccccnnccccnccncnccnncnnons 30 Used Allocations eese 35 A AT 26 Signal Characteristics oooocccccnoncncccocononononcnaronononnnnnnnos 19 Softkey UN Or 53 Allocation Summary e eese 59 Bit Stream rrrrannrrnnnnnrornnnnnnrrnnnnvrnnnnnnnnnannnnnrnnnennnnnnen 60 Capture Memory coocccccccnnnccncccconoconnnnoncnancnnnnnnnnconnnnnnanos 48 OF 59 Channel Flatness cooocccccccccccnccccnnnonococoncncnonnnnononos 56 Const Diagram ssssss see 57 Const Selection coonccocncccnccononoconcconconnonanocaconanons 58 Demod Settings oocccconcccconcncconcncnnoncnonnncnononcnonnnnnnos 30 Display List Graphie 46 EL Atten Mode Auto Man remote control 97 hu MMC 49 EVM vs Carrier 49 EVM vs Subframe e esses 51 EVM vs Symbol esssseeesseennm ee 50 Flatness Difference lesen 57 Freq Error vs Symbol rrnrrrnrnnrnnnnrnavennnnrennnrnennnsnennn 50 General Settings sess 19 Group Delay rrrrnnnrrrennnnervvrnnrrnavennrnrrernnnnsrennnnsrennnnn 56 MART Ta 62 Meas Settings occccccoonnconccoonnconccncnnonanconononnnnononnnos 42 Power Spectrum 54 Power vs RB PDSCH essere 55 Power vs Rb 55 vin NM 52 Source Input ccccccooccccccnonoconcconaconconcnnnnconononarenononarenonnns 25 Spectrum
16. where D is the boosting factor Since the average power of all possible constellations is 1 when no boosting is applied equation 8 2 can be rewritten as di x dl EVM Lk 8 3 The average EVM of all data subcarriers is then I 2 EVM jar I gt gt EVM ix SC I E The number of subcarriers taken into account is denoted by N 8 4 UO Imbalance The I Q imbalance can be written as ci k ik D jos 8 5 where s t is the transmit signal r t is the received signal and I and Q are the weighting factors We define that 1 and Q 1 AQ The I Q imbalance estimation makes it possible to evaluate the modulator gain balance 1 AQ 8 6 and the quadrature mismatch arg 1 AO 8 7 based on the complex valued estimate A Other measurement variables Without going into detail the E UTRA LTE downlink measurement application addition ally provides the following results e Total power e Constellation diagram User Manual 1173 0620 42 04 TO R amp S FSQ K100 K102 K104 Further Information 8 2 8 3 References e Group delay e UO offset e Crest factor e Spectral flatness References 1 3GPP TS 25 913 Requirements for E UTRA and E UTRAN Release 7 2 3GPP TR 25 892 Feasibility Study for Orthogonal Frequency Division Multiplexing OFDM for UTRAN enhancement Release 6 3 3GPP TS 36 211 v8 3 0 Physical Channels and Modulation Release 8 4 3GPP TS
17. 04 18 R amp S9FSQ K100 K102 K104 Configuring Measurements A 4 1 4 1 1 4 1 1 1 General Settings Configuring Measurements Before you can start a measurement you have to configure the R amp S FSQ in order to get valid measurement results The following topics contain detailed information on all set tings of the application You can access the two main settings dialog boxes via the Settings Gen Demod soft key Pressing the softkey once opens the General Settings dialog box The Gen label in the softkey turns green to indicate an active General Settings dialog box Pressing the softkey again opens the Demod Settings dialog box When the Demod Settings dialog box is active the Demod label in the softkey turns green In addition you can set up general measurement parameters in the Measurement Set tings dialog box Special settings for SEM and ACLR measurements are provided by the corresponding dialog boxes General Settings In the General Settings dialog box you can set all parameters that are related to the overall measurement The dialog box is made up of three tabs one for general settings one for MIMO settings and one for advanced settings By default the General tab is the active one You can switch between the tabs with the cursor keys General The DL General settings contain basic measurement and signal settings Signal Characteristics Signal characteristics include settings to
18. 04 TT R amp S FSQ K100 K102 K104 Remote Control CONFigure Subsystem Parameters lt AntennalD gt ANT1 ANT2 ANT3 ANT4 Select a single antenna to be analyzed AUT1 RST ANT1 Example CONF DL MIMO ASEL ANT3 Selects antenna 3 to be analyzed CONFigure LTE DL MIMO CONFig lt NofAntennas gt This command sets the number of antennas in the MIMO setup Parameters lt NofAntennas gt TX1 TX2 TX4 TX1 Use one Tx antenna TX2 Use two Tx antennas TX4 Use four Tx antennas RST TX1 Example CONF DL MIMO CONF TX2 TX configuration with two antennas is selected CONFigure LTE DL MIMO CROSstalk boolean This command turns MIMO crosstalk compensation on and off Parameters boolean ON OFF RST OFF Example CONF DL MIMO CROS ON Turns crosstalk compensation on CONFigure LTE DL NORB lt NofRessBlocks gt This command selects the number of resource blocks for downlink signals Parameters lt NofRessBlocks gt lt numeric value gt RST 50 Example CONF DL NORB 25 Sets the number of resource blocks to 25 User Manual 1173 0620 42 04 78 R amp S FSQ K100 K102 K104 Remote Control CONFigure Subsystem CONFigure LTE DL PBCH POWer Power This command defines the relative power of the PBCH Parameters Power numeric value RST 0 dB Default unit DB Example CONF DL PBCH POW 1 1 Sets the relative power to 1 1 dB CONFigure LTE DL PBCH STAT boolean
19. 06 0 0 3 0 4 17 1774446884892 8 54281765327869E 06 0 lloros Lio LoSS 9445583437953971 L953T2LO05E 06 me lt continues like this until the end of data is reached gt Example for querying the results of the bitstream result display This section shows an example of what the R amp S FSQ will return when the Bitstream result display is queried with the TRACe DATA command B Bit Stream Sub Allocation Code Modulation Sumbal Bit Stream frame ID word Index o FDSCH 1 400 02 0z 00 00 00 01 OO Oi 01 02 0i az Oi Oi PDSCH 2416 03 00 aa 00 01 05 OO 02 01 OG OG ai 00 PDSCH 2452 00 DI 02 035 O83 OZ O1 01 OO 00 03 an Oi PDSCH 2448 02 z 00 01 00 OO 01 05 OO OO OG agas OG OG DDGCH 2464 01 00 OO Oi O2 02 01 01 Oz 0i 01 00 02 PDSCH 480 01 03 02 OZ FDSCH o 08 03 08 OB 08 05 05 08 05 07 OB OB 6 OD PDSCH 16 05 06 OA OB 01 04 OF OS HERE ga 03 ai OG PDSCH 01 01 08 05 08 OE 06 OB OC OE 01 08 DA OB FDSCH 04 OD OF 08 OC 09 OF 01 06 01 OF OF OB 05 PRSCH 04 06 09 04 OF 01 03 05 09 03 03 07 02 05 a De PERSER BOE mim ll ll ll dl sl SHE GN Fig 9 2 Display of the bitstream The TRACe DATA command would return this subframe allocation ID lt codeword gt modulation number of symbols or bits hexadecimal or binary numbers Each line in this example corresponds to one set of values User Manual 1173 0620 42 04 109 R amp S FSQ K100 K102 K104 Remote Control TRACe Subsystem D 12 0 2
20. 36 300 E UTRA and E UTRAN Overall Description Stage 2 Release 8 5 3GPP TS 22 978 All IP Network AIPN feasibility study Release 7 6 3GPP TS 25 213 Spreading and modulation FDD 7 Speth M Fechtel S Fock G and Meyr H Optimum Receiver Design for Wireless Broad Band Systems Using OFDM Part I IEEE Trans on Commun Vol 47 1999 No 11 pp 1668 1677 8 Speth M Fechtel S Fock G and Meyr H Optimum Receiver Design for OFDM Based Broadband Transmission Part Il A Case Study IEEE Trans on Commun Vol 49 2001 No 4 pp 571 578 Support If you encounter any problems when using the application you can contact the Rohde amp Schwarz support to get help for the problem To make the solution easier use the R amp S Support softkey to export useful information for troubleshooting The R amp S FSQ stores the information in a number of files that are located in the R amp S FSQ directory C NR SNInstrNuserNLTENSupport If you contact Rohde amp Schwarz to get help on a certain problem send these files to the support in order to identify and solve the problem faster User Manual 1173 0620 42 04 T1 R amp S FSQ K100 K102 K104 Remote Control Numeric Suffix Definition 9 Remote Control This section describes all the remote control commands available for the R amp S FSQ EUTRA LTE Measurement Application Note that this manual contains only commands that are exclusive to the firmware
21. 8 WITT II IT ERES ERES ESI IEEE REI EE 0 10 Syinbols div SCPI command CALCulate lt screenid gt FEED EVM EVVS EVM vs Subframe Starts the EVM vs Subframe result display This result display shows the Error Vector Magnitude EVM for each subframe You can use it as a debugging technique to identify a subframe whose EVM is too high The result is an average over all subcarriers and symbols of a specific subframe The x axis represents the subframes with the number of displayed subframes being 10 On the y axis the EVM is plotted either in 9o or in dB depending on your selection in the Measurement Settings dialog box E EVM vs Subframe n 0 298 0 296 0 294 0 292 0 29 0 288 0 2 0 2 0 2 O 1 SCPI command CAL Culate lt screenid gt FEED EVM EVSU 5 4 Spectrum Measurements This chapter contains the spectrum measurements Spectrum measurements are sepa rated into the frequency sweep measurements and UO measurements User Manual 1173 0620 42 04 51 R amp S9FSQ K100 K102 K104 Result Displays BESSE opectrum Measurements 5 4 1 Frequency Sweep Measurements The Spectrum Emission Mask SEM and Adjacent Channel Leakage Ratio ACLR measurements are the only frequency sweep measurements available with the R amp S FSQ EUTRA LTE Measurement Application They do not use the IQ data all other measure ments use Instead those measurements sweep the frequency spectrum every time you run a new measure
22. A table above the result display contains the numerical values for the limit check at each check point e Start Stop Freq Rel Shows the start and stop frequency of each section of the Spectrum Mask relative to the center frequency e RBW Shows the resolution bandwidth of each section of the Spectrum Mask e Freq at A to Limit Shows the absolute frequency whose power measurement being closest to the limit line for the corresponding frequency segment e Power Abs User Manual 1173 0620 42 04 52 R amp S9FSQ K100 K102 K104 Result Displays AA AAA AA Spectrum Measurements Shows the absolute power atthe frequency whose power measurement being closest to the limit line for the corresponding frequency segment e Power Rel Shows the power relative to the Reference Power at the frequency closest to the limit line for the corresponding frequency segment e AtoLimit Shows the minimal distance of the tolerance limit to the SEM trace for the corre sponding frequency segment Negative distances indicate the trace is below the tol erance limit positive distances indicate the trace is above the tolerance limit A Spectrum Emission Mask List Ref 26 2 dBm ABEL 0 00 0 00 del start Freg Rel stop Freq Rel Freq at to Limit Power Abs Power Rel 17 50 MHz 15 50 MHz 92 05 dBm 61 65 dB EN 10 05 MHz 100 00 kHz 939 39 vIH2 93 46 dBm 10 05 MHz 100 00 kHz 994 950016000 MHz 5 77 dBm 5 05 MHz 10 05 MHz 100 00 kHz 75 44 d m
23. B71 that is available for download on the product homepage Advanced UO Input Selects the impedance of the baseband inputs Depending on the configuration of the baseband input you can select an impedance of 50 O and 1 kO or 1 MO R amp S9FSQ K100 K102 K104 Configuring Measurements pU X X 4 077 General Settings The UO input is available only if you have selected a baseband input source SCPI command INPut IQ IMPedance on page 98 UO Path Selects the input path for baseband inputs You can either select a single input I or Q or a dual input I and Q If you are using single input swapping the and Q branches becomes unavailable The l Q path selection is available only if you have selected a baseband input source SCPI command INPut IQ TYPE on page 98 Balanced Turns symmetric or balanced input on and off If active a ground connection is not necessary If you are using an assymetrical unbal anced setup the ground connection runs through the shield of the coaxial cable that is used to connect the DUT This parameter is available only if you have selected a baseband input source SCPI command INPut IQ BALanced STATe on page 98 Low Pass Turns an anti aliasing low pass filter on and off The filter has a cut off frequency of 36 MHz and prevents frequencies above from being mixed into the usable
24. CONFigure Subsystem Parameters lt Identity gt AUTO lt numeric value gt AUTO Automatic selection 0 2 Manual selection RST AUTO Example CONFSDLSPLCIIPLID 2 Sets the physical layer identity to 2 CONF DL PLCI PLID AUTO Physical layer ID is selected automatically CONFigure LTE DL SUBFrame lt subframe gt ALCount lt NofAllocations gt This command defines the number of allocations in a downlink subframe Parameters lt NofAllocations gt lt numeric value gt RST 1 Example CONF DL SUBF3 ALC 5 Sets the number of used allocations in subframe number 3 to 5 CONFigure LTE DL SUBFrame lt subframe gt ALLoc lt allocation gt POWer lt Power gt This command defines the relative power of an allocation in a downlink subframe Parameters Power numeric value RST 0 dB Default unit DB Example CONF DL SUBF8 ALL5 POW 1 3 Sets the allocation power for allocation 5 in subframe number 8 to 1 3 dB CONFigure LTE DL SUBFrame lt subframe gt ALLoc lt allocation gt RBCount lt NofRBs gt This command selects the number of resource blocks of an allocation in a downlink sub frame Parameters lt NofRBs gt lt numeric value gt RST 6 Example CONFIDLESUBEZ2SALLS4SRBC 25 Sets the number of resource blocks used in allocation 34 in sub frame number 2 to 25 User Manual 1173 0620 42 04 83 R amp S FSQ K100 K102 K104 Remote Control CONFigure Subsystem CONFigure LTE DL SUBFr
25. DEMod BEG Tummaton 102 IGENGeIf TED DEMod CRBGCramblmg 102 IGENGeIf TED DEMod CEGTmatnon 102 Lei LIRE 103 SENSE TE ENN MM 103 SENSO LIE DLDE MOG PRD al Bed die 103 SENSelJ LTEJ DL FORMatiPSCOD cccoccccconccncccoconococonoconcononononononononnncnnonnnnnnnnnnnnnnnnnnnnnrnnnnennnnnnnnnnnnnnnnoneneninns 104 ISENSel ETE DETRACK Ma EE 104 SENSe LTE DLUTRAGKNG TIME concisa add ra dee 104 SENSE EE FRAME COUNT Re soto 101 SENSe ELTEEFRAMe COUNCAU TQ teicu tae rtu dekkende apie ida 101 SENSeJ LTE FRAMe COUNtESTA TO oooooooccccccccconcccccnncoconcnnnnnonnnononnnnnnonnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnannnnnnnannnnnnos 102 PENSES LTE SLOT SELEN 105 SENSe JFLTEJ SUBFramMe SELEGL crcire rnaar ei 105 User Manual 1173 0620 42 04 123 R amp S FSQ K100 K102 K104 Index A EVM vs Symbol NENNEN nennen nnns 50 PIP 29 Adjacent Channel Leakage Ratio ACLR 53 External Attenuation ccoocccccccocccocnccnnconococnononnncnnnnnanonanos 22 Advanced Dialog E 24 Advanced General Settings sene 24 F Allocation Summary eeses esee 59 Auto Detection Cell dengt 35 FEN ee 20 Auto PDSCH Demodulation eese 31 Frequency Error VS Symbol undres 50 Frequency Sweep Measurements ssss 52 B FullScale Level Lua 29 Balanced Input 28 G Bit SET A Ar ae 60 Boosting estimation sseseees 32 General Result DISPIayS vamse
26. Emission Mask 52 Standard Selection rrrrrnnnrrnrnnnrvvrnvnnrrennnnnvrnnnnrennrnsnennn 19 Status Bar MM 17 Status registers STATus QUEStionable LIMit 118 STATus QUEStionable SYNC eessss 119 Subframe Configuration Table ss 35 Subframe Error uk ERKENNEN 35 Swap IO 24 T TDD m i E TM cooocccncccncnnccnnncnoccnnnnnnonnnnnnnnnnnnnnnonononcnnnnnnos 41 TDD UL DL Allocations eene 34 APP PP atid ein ennenthaciaauecht 33 TUE La 17 TAGGET MOTE aS 23 Trigger Offset 24 Trigger Settings esce etri rt nt ki et Rer epe 23 Tx Antenna Selection eese 30 U Used Allocations serios tino clon 35 Using the Marker anses 62 Y die Ir 26 User Manual 1173 0620 42 04 126
27. General Settings e External The trigger event is the level of an external trigger signal The measurement starts when this signal meets or exceeds a specified trigger level at the Ext Trigger Gate input e IF Power The trigger event is the IF power level The measurement starts when the IF power meets or exceeds a specified power trigger level SCPI command TRIGger SEQuence MODE on page 115 Trigger Offset Specifies the delay between the trigger event and the start of the sweep A negative trigger offset defines a pretrigger The trigger offset is unavailable for free run measurements SCPI command TRIGger SEQuence HOLDoff analyzer on page 115 Trigger Level Specifies the trigger level for an external or IF power trigger The name and contents of the field depend on the selected trigger mode It is available only in combination with the corresponding trigger mode SCPI command TRIGger SEQuence LEVel lt analyzer gt EXTernal on page 115 4 1 2 Advanced The Advanced settings contain parameters to configure more complex measurement setups 4 1 2 1 UO Settings UO settings are all settings that define the way the R amp S FSQ captures l Q data You can find the I Q settings in the General Settings dialog box DL General DL MIMO IO Settings Swap la WW Swap UO owaps the real I branch and the imaginary Q branch parts of the signal SCPI command SENSe SWAPiq on page 108 User Manual 1
28. It is in the range from 0 dB to 75 dB in steps of 5 dB RF attenuation is available if automatic reference level detection is inactive For more information on attenuation see the manual of the R amp S FSQ SCPI command INPut ATTenuation lt analyzer gt on page 96 El Att Configures the electronic attenuator The process of configuring the electronic attenuator consist of three steps e Selecting the mode You can select either manual or automatic control of the electronic attenuator e Selecting the state Turns the electronic attenuator on and off e Setting the attenuation Sets the degree of electronic attenuation If you have selected automatic attenuation mode the R amp S FSQ automatically calculates the electronic attenuation State and degree of attenuation are not available in that case If you turn the attenuator off the degree of attenuation is not available Electronic attenuation is available only with option R amp S FSQ B25 and if the frequency range does not exceed the specification of the electronic attenuator SCPI command INPut EATT AUTO on page 97 Yig Filter Configures the YIG filter If you want to measure broadband signals you can configure the YIG filter for a greater bandwidth The process of configuring the YIG filter consist of two steps e Selecting the mode You can select either manual or automatic control of the YIG filter e Selecting the state Turns the YIG filter on and off User
29. ON Activate auto level for analyzer number 2 SENSe POWer AUTO analyzer TIME Time This command defines the track time for the auto level process Parameters Time numeric value RST 100 ms Default unit s Example SENS POW AUTO TIME 200ms An auto level track time of 200 ms gets set SENSe POWer NCORrection boolean This command turns noise correction for ACLR measurements on and off Parameters boolean ON OFF RST OFF Example SENS POW NCOR ON Activates noise correction SENSe POWer SEM CATegory Category This command selects the SEM category as defines in 3GPP TS 36 104 Parameters Category A B RST A Example SENS POW SEM CAT B Selects category B for all SEM measurements User Manual 1173 0620 42 04 107 R amp S FSQ K100 K102 K104 Remote Control 9 12 TRACe Subsystem SENSe SWAPiq lt boolean gt This command turns a swap of the and Q branches on and off Parameters boolean ON OFF RST OFF Example SENS SWAP ON Activate IQ swapping SENSe SWEep TIME lt CaptLength gt This command sets the capture time Parameters lt CaptLength gt Numeric value in seconds Default unit s SENSe SYNC STATe This command queries the current synchronization state Return values lt Syncstate gt The string contains the following information e lt OFDMSymbolTiming gt is the coarse symbol timing e lt P SYNCSynchronization gt is
30. RB overlap errors An RB overlap error occurs if one or more allocations overlap In that case check if the length and offset values of the allocations are correct Number of AID cans 6 subirame Bandwikh A Mrz ar 15 Resource B boks User Manual 1173 0620 42 04 37 R amp S9FSQ K100 K102 K104 Configuring Measurements q i A22 gt gt gt A 4 2 3 4 2 3 1 Demodulation Settings for Downlink Measurements SCPI command Configurable Subframes CONFigure LTE DL CSUBframes on page Used Allocations CONFigure LTE DL SUBFrame lt subframe gt ALCount on page 83 Modulation CONFigure LTE DL SUBFrame c subframe ALLoc allocation CW lt cw gt MODulation on page 84 Number of RB CONFigure LTE DL SUBFrame lt subframe gt ALLoc lt allocation gt RBCount on page 83 Offset RB CONFigure LTE DL SUBFrame lt subframe gt ALLoc lt allocation gt RBOFfset on page 84 Power CONFigure LTE DL SUBFrame lt subframe gt ALLoc lt allocation gt POWer on page 83 DL Advanced Signal Configuration In the DL Adv Sig Config tab you can describe the advanced structure of the signal Note that the power settings of the channels are in relation to the power of the reference signal Global Settings DL Demod DL Frame Contig EE ni E AL Global Settings PRB Symbol Offset Auto PEFICH PRB Symbol Offset PRB Symbol Offset specifies the symbol offset of the PDSCH allocations relati
31. SPEG SEM spectrum emission mask SPEC ACP ACLR SPEC PSPE power spectrum result display SPEC PVRP power vs RB PDSCH result display downlink only SPEC PVRR power vs RB RS result display downlink only SPEC FLAT spectrum flatness result display SPEC GDEL group delay result display SPEC FDIF flatness difference result display SPEC IE inband emission result display uplink only CONS CONS constellation diagram CONS DFTC DFT precoded constellation diagram uplink only STAT CCDF CCDF STAT ASUM allocation summary STAT BSTR bitstream Example CALC2 FEED PVT CBUF Select Capture Buffer to be displayed on screen B User Manual 1173 0620 42 04 73 R amp S FSQ K100 K102 K104 Remote Control CALCulate Subsystem CALCulate lt n gt MARKer lt m gt FUNCtion POWer RESult CURRent This command queries the current results of the ACLR measurement To get a valid result you have to perform a complete measurement with synchronization to the end of the measurement before reading out the result This is only possible for single sweeps Return values lt ACLRResults gt The number of return values depends on the number of transmis sion and adjacent channels The order of return values is e lt TXChannelPower gt is the power of the transmission channel in dBm e lt LowerAdjChannelPower gt is the relative power of the lower adjacent channel in dB e lt UpperAdjChannelPower gt is the relative power of t
32. SUMMary EVM ALL MAXimum FETCh SUMMary EVM ALL MINimum FETCh SUMMary EVM ALL AVERage This command queries the EVM of all resource elements Return values lt EVM gt lt numeric value gt Minimum maximum or average EVM depending on the last com mand syntax element The unit is or dB depending on your selection Example FETC SUMM EVM MAX Returns the maximum value FETC SUMM EVM MIN Returns the minimum value FETC SUMM EVM Returns the mean value Usage Query only FETCh SUMMary FERRor MAXimum FETCh SUMMary FERRor MINimum FETCh SUMMary FERRor AVERage This command queries the frequency error User Manual 1173 0620 42 04 91 R amp S FSQ K100 K102 K104 Remote Control FETCh Subsystem Return values lt FreqError gt lt numeric value gt Minimum maximum or average frequency error depending on the last command syntax element Default unit Hz Example FETC SUMM FERR Returns the average frequency error in Hz Usage Query only FETCh SUMMary GIMBalance MAXimum FETCh SUMMary GIMBalance MINimum FETCh SUMMary GIMBalance AVERage This command queries the I Q gain imbalance Return values Gainlmbalance numeric value Minimum maximum or average l Q imbalance depending on the last command syntax element Default unit dB Example FETC SUMM GIMB Returns the current gain imbalance in dB Usage Query only FETCh SUMMary IQOFfset MAXimum FETCh SUMMa
33. and miscellaneous settings By default the DL Demod tab is the active one You can switch between the tabs with the cursor keys 4 2 1 DL Demod In the DL Demod tab you can set the signal processing configuration with respect to how the signal is to be measured 4 2 1 1 Data Analysis Settings DL Demod l ft DE Frame Config DL Adv Sig Config Data Analysis Channel Estimation Optml Pilot Payload EVM Calculation Method EvM 3GPP Definition Coded Bits Scrambling Auto POSCH Demodulation PDSCH Subtrame Detect Physical Detection Boosting Estimation Lei PESCH Reference Data Auto Detect Multicarrier Filter Channel Estimation Selects the method of channel estimation e EVM 3GPP Definition Channel estimation according to 3GPP TS 36 141 This method is based on aver aging in frequency direction and linear interpolation Examines the reference signal only e Optimal Pilot only Optimal channel estimation method Examines the reference signal only e Optimal Pilot and Payload User Manual 1173 0620 42 04 30 R amp S9FSQ K100 K102 K104 Configuring Measurements zucca M Il o Aoass j BXLLL Ai t asLAMAIGLL A AA Demodulation Settings for Downlink Measurements Optimal channel estimation method Examines both the reference signal and the payload resource elements SCPI command SENSe LTE DL DEMod CESTimation on page 102 EVM Calculation Method Selects the method to calculate the EVM
34. appli cation For information on remote control commands that are also available in the base unit refer to the Operating Manual of the R amp S FSQ Also refer to the Quick Start Guide and the Operating Manual of the base unit for detailed information on working with remote control commands 9 1 Numeric Suffix Definition Some of the remote control commands that are described on the following pages have numeric suffixes in their syntax Numeric suffixes are used if a command can be applied to multiple instances of an object e g specific channels or sources the required instan ces can be specified by a suffix added to the command Numeric suffixes are indicated by angular brackets lt 1 4 gt n lt i gt and are replaced by a single value in the command Entries without a suffix are interpreted as having the suffix 1 The description of the commands below does not contain the ranges and description of the suffixes Instead the syntax contains a variable only When using the command replace the variable with the numeric suffixes defined in this section n z 1 2 This suffix selects the measurement screen Possible values are 1 2 with 1 selecting screen A and 2 selecting screen B m z 1 This suffix selects the marker At this point the application only supports one marker therefore the possible range is lt 1 gt analyzer lt 1 4 gt This suffix selects the analyzer the setting appli
35. between numerical and graphical results with the Display List Graph softkey Display List Graph Press the Display List Graph softkey so that the List element turns green to start the Result Summary result display This result display summarizes all relevant measurement results in one table Result Summary Frame Result 1 1 Mean EWM PDSCH QPSK Ev PDSCH 16GAM Ev POSCH GAGA Time Alignment Error 2 1 Time Alignment Error 3 1 Time Alignment Error 4 1 Results for Selection cubtrame s ALL Selection Antenna 1 Frame Result 1 1 EM All Ev Phys Channel EWM Phys Signal Frequency Error Hz sampling Error ppm IO Offset 3 dB IC Gain Imbalance JE IO Quadrature Error a RSTP dem OSTP S z dBm Power z dBm Crest Factor dE The table is split in two parts The first part shows results that refer to the complete frame For each result the minimum mean and maximum values are displayed It also provides limit checking for result values in accordance with the selected standard Pass results are green and Fail results are red e EVM PDSCH QPSK User Manual 1173 0620 42 04 46 R amp S9FSQ K100 K102 K104 Result Displays Eum Um UU A UU UU Numerical Results Shows the EVM for all QPSK modulated resource elements of the PDSCH channel in the analyzed frame FETCh SUMMary EVM DSQP AVERage on page 89 e EVM PDSCH 16QAM Shows the EVM for all 16QAM modulated resource elements of the PDSCH channel
36. dB CONFigure LTE DL SYNC SPOWer Power This command defines the relative power of the S SYNC Parameters Power numeric value RST 0 dB Default unit DB Example CONF DL SYNC SPOW 0 5 Sets a relative power of 0 5 dB CONFigure LTE DL TDD SPSC Configuration Selects the configuration of a TDD special subframe Parameters Configuration numeric value Numeric value that defines the subframe configuration Subframe configurations 7 and 8 are only available if the cyclic prefix is normal Range 0 to 8 RST 0 Example CONF DL CYCP NORM Selects normal cyclic prefix CONBCDBSTDDSSPSC 7 Selects subframe configuration 7 available only with a normal cyclic prefix CONFigure LTE DL TDD UDConf lt AllocConf gt This command selects the UL DL subframe configuration for downlink signals Parameters lt AllocCont gt Range 0 to 6 RST 0 Example CONP2 Die TDO UDG 2 Selects allocation configuration number 2 User Manual 1173 0620 42 04 85 R amp S FSQ K100 K102 K104 Remote Control CONFigure Subsystem CONFigure LTE DUPLexing lt DuplType gt This command selects the duplexing mode Parameters lt DuplType gt TDD FDD TDD Time division duplex FDD Frequency division duplex RST FDD Example CONF DUPL TDD Activates time division duplex CONFigure LTE LDIRection lt LinkDir gt This command selects the link direction Parameters lt LinkDir gt DL UL DL
37. detalladamente y comprender por completo las siguientes informaciones de seguridad antes de usar el producto y respetarlas durante el uso del producto Deber n tenerse en cuenta todas las dem s informaciones de seguridad como p ej las referentes a la protecci n de personas que encontrar n en el cap tulo correspondiente de la documentaci n del producto y que tambi n son de obligado cumplimiento En las presentes informaciones de seguridad se recogen todos los objetos que distribuye el grupo de empresas Rohde amp Schwarz bajo la denominaci n de producto entre ellos tambi n aparatos instalaciones as como toda clase de accesorios S mbolos y definiciones de seguridad Aviso punto de peligro general Observar la documentaci n del producto Tensi n de alimentaci n de PUESTA EN MARCHA PARADA Atenci n en el manejo de dispositivos de peso elevado Peligro de choque el ctrico Corriente continua DC Indicaci n de estado de espera Standby 1171 0000 42 05 00 tencia superficie caliente Conexi n a tierra Conexi n a conductor de protecci n Corriente alterna Corriente AC continua Corriente alterna DC AC Conexi n a masa Aviso Cuidado en el manejo de dispositivos sensibles a la electrost tica ESD El aparato est protegido en su totalidad por un aislamiento doble reforzado Page 7 Informaciones elementales de seguridad Palabras de se al y su
38. e EVM 3GPP Definition Calculation of the EVM according to 3GPP TS 36 141 Evaluates the EVM at two trial timing positions and then uses the maximum EVM of the two e At Optimal Timing Position Calculates the EVM using the optimal timing position SCPI command SENSe LTE DL DEMod EVMCalc on page 103 Scrambling of Coded Bits Turns the scrambling of coded bits for all physical channels like PDSCH or PHICH on and off The scrambling of coded bits affects the bitstream results SCPI command SENSe LTE DL DEMod CBSCrambling on page 102 Auto PDSCH Demodulation Turns automatic demodulation for the PDSCH on and off If active the R amp S FSQ automatically detects the PDSCH resource allocation by analyzing the signal or the protocol information in the PDCCH You can set the way the R amp S FSQ identifies the resource allocation with PDSCH Sub frame Configuration Detection SCPI command SENSe LTE DL DEMod AUTO on page 102 PDSCH Subframe Configuration Detection Selects the method of identifying the PDSCH resource allocation e Off Uses the user configuration to demodulate the PDSCH subframe If the user config uration does not match the frame that was measured a bad EVM will result e PDCCH protocol Sets the PDSCH configuration according to the data in the protocol of the PDCCH DCIs e Physical detection If manual PDSCH configuration is active the R amp S FSQ compares the demodulated LTE frame to
39. each data allocation Depend ing on the Bit Symbols Format the numbers represent either bits bit order or symbols symbol order Selecting symbol format shows the bit stream as symbols In that case the bits belonging to one symbol are shown as hexadecimal numbers with two digits In the case of bit format each number represents one raw bit B Bit Stream Sub Allocation Code Modulation Symbol ID wor Index FECH nz oo ao og 01 ao 00 oo 0 PBCH 16 02 02 03 oo 00 O3 PECH 32 gi ai 00 00 02 O2 PECH 48 02 01 01 02 03 03 PECH 64 02 OG 00 ag 05 an PBCH 03 03 03 01 00 Oi FECH 96 03 00 03 05 OG ni 03 PBCH PBCH 112 3 01 02 03 OF 03 aa FECH FECH LI LO kA CI n 128 z 02 02 oo 01 01 3 02 00 01 03 OG 0 3 01 01 01 00 02 00 EK Ft EE FE EE FE EE FE E a mn Lr Lr o Ra men Fe O gt ue The table contains the following information e Subframe Number of the subframe the bits belong to User Manual 1173 0620 42 04 60 Statistical and Miscellaneous Results e Allocation ID Channel the bits belong to e Codeword Code word of the allocation e Modulation Modulation type of the channels e Bit Index e Bit Stream The actual bit stream SCPI command CALCulate lt screenid gt FEED STAT BSTR R amp S9FSQ K100 K102 K104 Using the Marker 6 Using the Marker The firmware application provides a marker to work with You can use a marker to mark specific points on traces or to read out measurement resu
40. frequency range Note that if you turn the filter off harmonics or spurious emissions of the DUT might be in the frequency range above 36 MHz and might be missed You can turn it off for measurement bandwidths greater than 30 MHz The low pass filter is available only if you have selected a baseband input source SCPI command SENSe IQ LPASs STATe on page 106 Dither Adds a noise signal into the signal path of the baseband input Dithering improves the linearity of the A D converter at low signals levels or low modu lation Improving the linearity also improves the accuracy of the displayed signal levels The signal has a bandwidth of 2 MHz with a center frequency of 38 93 MHz Dithering is available only if you have selected a baseband input source SCPI command SENSe IQ DITHer STATe on page 106 User Manual 1173 0620 42 04 28 4 1 2 4 4 1 3 1 General Settings ExIQ Box Settings Opens a dialog box and softkey menu to configure the R amp S ExIQ Box For details refer to the manual of the R amp S ExIQ Box that is available for download on the product home page Digital UO Settings The digital UO settings define settings related to the digital baseband input The digital baseband settings are available only if you have installed option R amp S FSQ B17 Advanced Y El Digital Input Data Rate Selects the data sample rate at the digital baseband input The sample rate is available
41. in the analyzed frame FETCh SUMMary EVM DSST AVERage on page 90 e EVMPDSCH 64QAM Shows the EVM for all G4QAM modulated resource elements of the PDSCH channel in the analyzed frame FETCh SUMMary EVM DSSF AVERage on page 90 e Time Alignment Error 2 1 3 1 4 1 Shows the timing difference in MIMO setups between antenna 1 and another antenna 2 3 or 4 FETCh SUMMary TAE lt antenna gt on page 94 By default all EVM results are in However you can change the EVM unit in the EVM Unit field The second part of the table shows results that refer to a specifc selection of the frame The header row of the second section of the table shows the selected subframe Note that in some cases it is not possible to measure the IQ Gain Imbalance and IQ Quadrature Error Try to step through the subframes using the Subframe Selection to find a subframe where the measurement is available If subframe selection is set to All a measurement result is available only if there are valid results in all subframes e EVMAII Shows the EVM for all resource elements in the analyzed frame FETCh SUMMary EVM ALL AVERage on page 91 e EVM Phys Channel Shows the EVM for all physical channel resource elements in the analyzed frame FETCh SUMMary EVM PCHannel AVERage on page 90 e EVM Phys Signal Shows the EVM for all physical signal resource elements in the analyzed frame FETCh SUMMary EVM PSIGnal AVERage on page 91 e Frequency Error Shows the diffe
42. is returned is specific to each result display and is specified below e Capture Buffer For the Capture Buffer result display the command returns one value for each UC sample in the capture buffer The unit is dBm e EVM vs Carrier For the EVM vs Carrier result display the command returns one value for each sub carrier The unit is either dB or 9o depending on the unit you have set EVM in dB EVM in gt The command returns the following for parameter TRACE1 to TRACES depending on the Subframe Configuration TRACE 1 Mean EVM averaged over all subframes TRACE2 Minimum EVM or nothing if a single subframe is selected TRACE3 Maximum EVM or nothing if a single subframe is selected e EVM vs Symbol For the EVM vs Symbol result display the command returns a value for each OFDM symbol If you select a single subframe SENSe LTE SUBFrame SELect the command returns only the symbols of that subframe The unit is either dB or 96 depending on the unit you have set EVM in dB EVM in gt The command returns data only for parameter TRACE1 e Frequency Error vs Symbol For the Frequency Error vs Symbol result display the command returns one value for each OFDM symbol User Manual 1173 0620 42 04 110 R amp S FSQ K100 K102 K104 Remote Control KE TRACe Subsystem frequency error in Hz The command returns data only for parameter TRACE1 e EVM vs Subframe For the EVM vs Subframe result disp
43. level 5 Never use the product if the power cable is damaged Check the power cable on a regular basis to ensure that it is in proper operating condition By taking appropriate safety measures and carefully laying the power cable you can ensure that the cable will not be damaged and that no one can be hurt by for example tripping over the cable or suffering an electric shock 6 The product may be operated only from TN TT supply networks fused with max 16 A higher fuse only after consulting with the Rohde amp Schwarz group of companies 7 Do not insert the plug into sockets that are dusty or dirty Insert the plug firmly and all the way into the socket Otherwise sparks that result in fire and or injuries may occur 8 Do not overload any sockets extension cords or connector strips doing so can cause fire or electric shocks 9 For measurements in circuits with voltages Vims gt 30 V suitable measures e g appropriate measuring equipment fusing current limiting electrical separation insulation should be taken to avoid any hazards 10 Ensure that the connections with information technology equipment e g PCs or other industrial computers comply with the IEC60950 1 EN60950 1 or IEC61010 1 EN 61010 1 standards that apply in each case 11 Unless expressly permitted never remove the cover or any part of the housing while the product is in operation Doing so will expose circuits and components and can lead to injur
44. measurement SCPI command SENSe POWer SEM CATegory on page 107 4 6 Display and Printer Settings The layout of the display can be controlled using the display menu The DISP key opens the display softkey menu In the display menu you can switch between split and full screen mode with the Screen Size softkey In split screen mode you can select screen A or screen B with the Screen A Screen B hotkey The Screen A Screen B hotkey also toggles screen A and B in full screen mode The HCOPY key opens the print menu Any open settings dialog boxes are closed when the print menu is displayed The print functions are the same as those provided in the base unit Refer to the operating manual of the R amp S FSQ for details on the softkey functionality User Manual 1173 0620 42 04 45 R amp S9FSQ K100 K102 K104 Result Displays Numerical Results 9 Result Displays This chapter provides a detailed description of all available result displays of the LTE measurement application Press the MEAS key to access the result display menu There you can select the required result display by pressing the corresponding softkey Note that some softkeys include more than one result display The currently selected result display is highlighted on the corresponding softkey 5 1 Numerical Results In addition to graphical result displays the R amp S FSQ also provides a table containing numerical results You can switch
45. only if you have selected the digital baseband input source SCPI command INPut DIQ SRATe on page 97 Full Scale Level Sets the voltage corresponding to the maximum input value of the digital baseband input The full scale level is available only if you have selected the digital baseband input source SCPI command INPut DIQ RANGe UPPer on page 97 MIMO The MIMO settings control measurements in a MIMO setup MIMO Configuration The MIMO Configuration parameters define essential settings related to the antenna configuration of a DUT DL MIMO 1 TX Antenna DUT MIMO Configuration Selects the number of transmission antennas of the DUT R amp S9FSQ K100 K102 K104 Configuring Measurements Demodulation Settings for Downlink Measurements The application supports measurements on 1 2 and 4 antenna systems SCPI command CONFigure LTE DL MIMO CONFig on page 78 Tx Antenna Selection Selects a specific antenna under test in case of MIMO systems The number of available antennas depends on the MIMO configuration SCPI command CONFigure LTE DL MIMO ASELection on page 77 4 2 Demodulation Settings for Downlink Measurements In the Demod Settings dialog box you can set up the measurement in detail e g the demodulation configuration The dialog box is made up of three tabs one for configuring the signal configuration one for setting up the frame configuration and one for configuring the control channels
46. personas que puedan acceder al producto as como el producto mismo est n a salvo de posibles dafios Todo producto debe estar protegido contra sobretensi n debida p ej a una ca da del rayo mediante los correspondientes sistemas de protecci n Si no el personal que lo utilice quedar expuesto al peligro de choque el ctrico No debe introducirse en los orificios de la caja del aparato ning n objeto que no est destinado a ello Esto puede producir cortocircuitos en el producto y o puede causar choques el ctricos fuego o lesiones oalvo indicaci n contraria los productos no est n impermeabilizados ver tambi n el cap tulo Estados operativos y posiciones de funcionamiento punto 1 Por eso es necesario tomar las medidas necesarias para evitar la entrada de l quidos En caso contrario existe peligro de choque el ctrico para el usuario o de dafios en el producto que tambi n pueden redundar en peligro para las personas No utilice el producto en condiciones en las que pueda producirse o ya se hayan producido condensaciones sobre el producto o en el interior de ste como p ej al desplazarlo de un lugar fr o a otro caliente La entrada de agua aumenta el riesgo de choque el ctrico Antes de la limpieza desconecte por completo el producto de la alimentaci n de tensi n p ej red de alimentaci n o bater a Realice la limpieza de los aparatos con un pa o suave que no se deshilache No utilice bajo ning n concepto
47. productos de limpieza qu micos como alcohol acetona o diluyentes para lacas nitrocelul sicas Funcionamiento 1 2 3 4 El uso del producto requiere instrucciones especiales y una alta concentraci n durante el manejo Debe asegurarse que las personas que manejen el producto est n a la altura de los requerimientos necesarios en cuanto a aptitudes f sicas ps quicas y emocionales ya que de otra manera no se pueden excluir lesiones o da os de objetos El empresario u operador es responsable de seleccionar el personal usuario apto para el manejo del producto Antes de desplazar o transportar el producto lea y tenga en cuenta el cap tulo Transporte Como con todo producto de fabricaci n industrial no puede quedar excluida en general la posibilidad de que se produzcan alergias provocadas por algunos materiales empleados los llamados al rgenos p ej el n quel Si durante el manejo de productos Rohde amp Schwarz se producen reacciones al rgicas como p ej irritaciones cut neas estornudos continuos enrojecimiento de la conjuntiva o dificultades respiratorias debe avisarse inmediatamente a un m dico para investigar las causas y evitar cualquier molestia o dafio a la salud Antes de la manipulaci n mec nica y o t rmica o el desmontaje del producto debe tenerse en cuenta imprescindiblemente el cap tulo Eliminaci n punto 1 1171 0000 42 05 00 Page 10 5 Informaciones elementales de seguridad Ciertos p
48. second and the third trace show the minimum and maximum powers respectively You can select to display the power for a specific subframe in the Subframe Selection dialog box In that case the application shows the powers of that subframe only The x axis represents the resource blocks The displayed number of resource blocks depends on the channel bandwidth or number of resource blocks you have set On the y axis the power is plotted in dBm B Power vs RB POSCH dBm 57 94 57 08 58 02 58 06 ET 58 14 58 18 SCPI command CALCulate lt screenid gt FEED SPEC PVRP Power vs Resource Block RS Starts the Power vs Resource Block RS result display This result display shows the power of the reference signal per resource block By default three traces are shown One trace shows the average power The second and the third trace show the minimum and maximum powers respectively You can select to display the power for a specific subframe in the Subframe Selection dialog box In that case the application shows the power of that subframe only User Manual 1173 0620 42 04 55 R amp S9FSQ K100 K102 K104 Result Displays opectrum Measurements The x axis represents the resource blocks The displayed number of resource blocks depends on the channel bandwidth or number of resource blocks you have set On the y axis the power is plotted in dBm B Power vs RB Ref Signal dBm 57 94 57 08 58 02 58 06 Er 58 14 58 1
49. significado En la documentaci n del producto se utilizan las siguientes palabras de se al con el fin de advertir contra riesgos y peligros PELIGRO identifica un peligro inminente con riesgo elevado que provocar muerte o lesiones graves si no se evita PELIGRO ADVERTENCIA identifica un posible peligro con riesgo medio de provocar muerte o lesiones graves si no se evita ATENCI N identifica un peligro con riesgo reducido de provocar lesiones leves o moderadas si no se evita AVISO indica la posibilidad de utilizar mal el producto y como consecuencia dafiarlo En la documentaci n del producto se emplea de forma sin nima el t rmino CUIDADO Las palabras de se al corresponden a la definici n habitual para aplicaciones civiles en el rea econ mica europea Pueden existir definiciones diferentes a esta definici n en otras reas econ micas o en aplicaciones militares Por eso se deber tener en cuenta que las palabras de sefial aqu descritas sean utilizadas siempre solamente en combinaci n con la correspondiente documentaci n del producto y solamente en combinaci n con el producto correspondiente La utilizaci n de las palabras de se al en combinaci n con productos o documentaciones que no les correspondan puede llevar a interpretaciones equivocadas y tener por consecuencia dafios en personas u objetos Estados operativos y posiciones de funcionamiento EI producto solamente debe ser utilizado segun lo indicado
50. symbols whose EVM is too high The result is an average over all subcarriers The x axis represents the OFDM symbols with each symbol represented by a dot on the line The number of displayed symbols depends on the Subframe Selection and the length of the cyclic prefix Any missing connections from one dot to another mean that the R amp S FSQ could not determine the EVM for that symbol On the y axis the EVM is plotted either in 9o or in dB depending on your selection in the Measurement Settings dialog box B EVM vs Symbol 2 D T HEN NN 0 33 0 31 Ao KE 027 4 0 10 Symbols idis SCPI command CALCulate lt screenid gt FEED EVM EVSY Frequency Error vs Symbol Starts the Frequency Error vs Symbol result display This result display shows the Frequency Error on symbol level You can use it as a debugging technique to identify any frequency errors within symbols The result is an average over all subcarriers User Manual 1173 0620 42 04 50 R amp S9FSQ K100 K102 K104 Result Displays opectrum Measurements The x axis represents the OFDM symbols with each symbol represented by a dot on the line The number of displayed symbols depends on the Subframe Selection and the length of the cyclic prefix Any missing connections from one dot to another mean that the R amp S FSQ could not determine the frequency error for that symbol On the y axis the frequency error is plotted in Hz T ES 0
51. the P SYNC synchronization state e lt S SYNCSynchronization gt is the S SYNC synchronization state A zero represents a failure and a one represents a successful synchronization Example SENO SYNC TAT Returns 1 1 0 if coarse timing and P SYNC were successful but S SYNC failed Usage Query only TRACe Subsystem Example for querying the results of the allocation summary result display This section shows an example of what the R amp S FSQ will return when the Allocation Summary result display is queried with the TRACe DATA command User Manual 1173 0620 42 04 108 R amp S FSQ K100 K102 K104 Remote Control TRACe Subsystem B Allocation Summary Sub Allocation Humber Rel Modulation Power per RE frame ID of RB Power dB dem o RS Anti 0 000 2 2YNC PECH PErITcCA PHICH 0 000 PDCCH 0 001 PDSCH O 0 000 CO ca OH mn in COU D db pg f 3 PH rod in iun LU LI LO in CO H pa a 1 151 Ln ES Anti 0 000 55 084 P S YM 0 002 bp Ob Fig 9 1 Display of the allocation summary The TRACe DATA command would return this subframe allocation ID number of RB relative power modulation power in dBm gt lt EVM in dB or gt Each line in this example corresponds to one set of values fg Et EE EE Be pU 7L7 7421090L31014 8 4291925 74205 ELEV O 4 r 0 17 7421077124897 8 50963104426228E 06 0 12 2 17 092699868618 7 81896929424875E
52. the user configuration Only if both configurations are the same the R amp S FSQ will analyze the frame Physical detection makes measurements on TDD E TMs without a 20 ms trigger signal possible User Manual 1173 0620 42 04 31 R amp S9FSQ K100 K102 K104 Configuring Measurements EE AA Demodulation Settings for Downlink Measurements If automatic detection of the PDSCH configuration is active the R amp S FSQ identifies the configuration from the modulation of the signal SCPI command SENSe LTE DL FORMat PSCD on page 104 Boosting Estimation Turns boosting estimation on and off If active the R amp S FSQ automatically sets the relative power settings of all physical chan nels and the P S SYNC by analyzing the signal SCPI command SENSe LTE DL DEMod BESTimation on page 102 PDSCH Reference Data Selects the type of reference data to calculate the EVM for the PDSCH e Auto detect Automatically identifies the reference data for the PDSCH by analyzing the signal e AI O E TM Sets the PDSCH reference data to a fixed value of 0 This value is according to the test model definition To get valid results you have to use a DUT that transmits an all zero data vector This setting is a good way if you are expecting signals with a high EVM because the automatic detection will not be reliable in that case SCPI command SENSe LTE DL DEMod PRData on page 103 Multicarrier Filter Turns the supp
53. this purpose the UE regularly reports channel quality indications CQI to the eNodeB e Hybrid automatic repeat request ARQ Downlink hybrid ARQ is also known from HSDPA It is a retransmission protocol The UE can request retransmissions of incorrectly received data packets 2 2 EUTRA LTE Test amp Measurement Assumption made by Rohde amp Schwarz The following assumptions are valid for all current implementations on R amp S signal gen erators and R amp S signal analyzers User Manual 1173 0620 42 04 13 R amp S FSQ K100 K102 K104 Introduction pu URL UE A A SSS SaaS SS Performing Time Alignment Measurements OFDMA Parameterization In order to configure the bandwidth of the signal to be generated and analyzed the desired number of resource blocks can be specified in a range from 6 to 110 resource blocks with a granularity of 1 This results in bandwidths from 1 08 MHz 19 8 MHz The resulting FFT size is derived from the following formula _ nnextpow2 1 4 12n 1 Nus 2renpov2 1402ne1 e nisthe selected number of resource blocks e nextpow2 N returns the first P such that 2 P gt abs N e rounds up to the next highest integer 2 3 Performing Time Alignment Measurements The R amp S FSQ K102 provides the possibility to perform time alignment measurements between the different antennas for 2 or 4 TX antenna MIMO configurations The time alignment error values represent the time offset between the consid
54. want to customize in the Selected Subframe field Enter the number of the subframe starting with 0 The R amp S FSQ will update the contents of the configuration table to the selected subframe In the default state each subframe contains one allocation You can add allocations with the Used Allocations parameter The R amp S FSQ will expand the configuration table accordingly with one row representing one allocation You can define a different number of allocations for each subframe you want to configure and configure up to 100 allocations in every subframe The configuration table contains the settings to configure the allocations e ID N RNTI Selects the allocation s ID The ID corresponds to the N RNTI By default the application assigns consecutive numbers starting with O The ID or N RNTI is the user equipment identifier for the corresponding allocation and is a number in the range from 0 to 65535 The order of the numbers is irrelevant You can combine allocations by assigning the same number more than once Com bining allocations assigns those allocations to the same user Allocations with the same N RNTI share the same modulation scheme and power settings e Code Word Shows the code word of the allocation The code word is made up out of two numbers The first number is the number of the code word in the allocation The second number is the total number of code words that the allocation includes Thus a table entry of 1 2 wo
55. 0 Sets an external attenuation of 10 dB FETCh Subsystem EE E 88 FET FUN PN 89 FEN ek AAPP E E OO A AAS 89 FE TUNE SUMMen EE ET E 89 FETCh SUMMary EVM DSQPLEAVERadge ei rrr netter teme daa ina 89 FE TOChSUMMapnv EVMDSGEI AVER age 90 FETCIESUMMarvVEVNEDSSTLEAVIERSUB D 90 FETCIESUMMary EVM POCHannel MAXIMUM a nana tu tnn tna daa tno ttt n cnn ie enitn 90 FE TCh SUMManv EVM PCHanpnel MiNtmum nnne nennen nnn nnne nennen nan 90 FE TCh SUMManv EVM PCHannelf AVERagel nennen nennen nnn nnn 90 User Manual 1173 0620 42 04 87 FETCh Subsystem SN EIN A RE ER CN dr CT ME 91 S ll Te A RE ER ll D ut DE 91 SL EIN A e E ER e EE 91 SERVICER EK dn Tu EE 91 FETCh SUMMary EVM ALL MINimum eeeeeeeeeeehe enne nnnm eene 91 FETCH SUMMare EVMEALUIEAVERagel teens 91 FETCh SUMMary FERRor MAXimUm ee eeenee es aire nucon e re na Dhu ca nau SEENEN ENEE 91 FETUNSUMMan PERRO MINIMUM icut tto Std end nexa ien toast ev ure tih Fenton 91 FETCH SUMMA FERRO AVERade eiae tc 91 FETCh SUMMary GlIMBalance MAXimutn eeceeicee cies ee nenne nenne nn pner nennen na NEEN ENEE 92 FETCIESUMMarvGIMBalaneces MITTIT aaa ia ntt tnter ctricos siria 92 FE TCh SUMManv GlMalancel AVERagel nennen nennen nnn nnn nnn nnn nnns 92 FETCH SUMMa ry IQOFfset A oo acide ce seen dade pscmnnuncacsendeccntweswbsedsedadaubeediacddeteaccenceus 92 FETCHh SUMMancIOOFfSBEM IBNITIUITI octaua ne su did in ai 92 S
56. 173 0620 42 04 24 R amp S9FSQ K100 K102 K104 Configuring Measurements General Settings 4 1 2 2 Input Settings The input settings provide all functions necessary to control the input source You can find the input settings in the General Settings dialog box DL General DL MIMO Input Settings SOURCE RF Auto Level Lei Auto Level Track Time 100 mz Ref Level 19 dem RF Attenuation O de El Att Yig Filter t High Dynamic ES Source Selects the input source of the data By default the R amp S FSQ uses its RF input With hardware options R amp S FSQ B71 and B17 you can use the analog and digital base band input respectively For more information on using analog and digital baseband data see the manual of the R amp S FSQ If the data has been recorded and saved already you can also read the data from a file and analyze it on the R amp S FSQ For more information on how to import I Q data see chapter 7 File Management on page 64 SCPI command INPut SELect on page 99 Reference Level Sets the reference level of the R amp S FSQ The reference level is the power level the R amp S FSQ expects at the RF input Keep in mind that the power level at the RF input is the peak enevelope power in case of signals with a high crest factor like LTE To get the best dynamic range you have to set the reference level as low as possible Atthe same time make sure that the maximum signal level does not exceed th
57. 229 01 00 02 01 01 00 00 00 00 00 01 01 01 00 00 00 03 00 01 01 01 02 01 00 03 03 00 01 01 02 02 lt continues like this until the next data block starts or the end of data is reached gt 0 0 0 4 413 1D 2B 27 03 24 07 35 05 1F 22 20 15 17 0C 21 34 10 2C 09 32 19 03 11 36 19 2A 05 0A 0F 0F 04 lt continues like this till next datablock starts or end of data reached gt TRACE DATA ceccescecescescescescescescessescescessesseaeeacesseaseaeeaeeaseaesaeeateaeeateaseaseaeeeeteaeeaseaees 110 TRAC e IQ FILTer FLATN SS c2ccccceceecceccecccccecceececceecencecsnuscestecccesecuenseccencecscecsensenecvens 114 TRACe DATA lt TraceNumber gt LIST This command returns the trace data for the current measurement or result display You can change the format of the returned data with the FORMat DATA command ASCII format FORMat ASCII In ASCII format a list of values separated by commas is returned Comma Separated Values CSV Empty fields will return NAN Binary format FORMat REAL 32 If the transmission takes place using the binary for mat REAL 32 the data are transferred in block format Definite Length Block Data according to IEEE 488 2 They are arranged in succeeding lists of and Q data of 32 Bit IEEE 754 floating point numbers The returned values are scaled in the current measurement unit For some measure ments the unit may change depending on the unit set with UNIT EVM The format of the data that
58. 3 4 3 1 Measurement Settings PDCCH Format Defines the format of the PDCCH physical downlink control channel Note that PDCCH format 1 is not defined in the standard This format corresponds to the transmission of one PDCCH on all available resource element groups As a special case for this PDCCH format the center of the constellation diagram is treated as a valid constellation point SCPI command CONFigure LTE DL PDCCh FORMat on page 79 Number Of PDCCH Sets the number of physical downlink control channels This parameter is available if the PDCCH format is 1 SCPI command CONFigure LTE DL PDCCh NOPD on page 80 Rel Power Relative Power of the PDCCH SCPI command CONFigure LTE DL PDCCh POWer on page 80 Measurement Settings The Measurement Settings are for setting up the result displays These settings are independent of the signal they adjust the display of the results You can open the dialog box via the Meas Settings softkey The corresponding dialog box is made up of three tabs By default the Selection tab is the active one You can switch between the tabs with the cursor keys Selection In the Selection tab you can select specific parts of the signal you want to analyze Subframe Selection With the Subframe Selection subframe specific measurement results can be selected This setting applies to the following measurements Result Summary EVM vs Carrier EVM vs Symbol Channel Flatness Ch
59. 45 03 dl 10 05 MHz 15 05 MHz 100 00 kHz 1 010937472 Hi 84 43 d m 64 03 dB 15 50 MHz 17 50 MHz 1 00 MHz 92 15 dim SCPI command CALCulate lt screenid gt FEED SPEC SEM ACLR Starts the Adjacent Channel Leakage Ratio ACLR measurement The Adjacent Channel Leakage Ratio measures the power of the TX channel and the power of adjacent and alternate channels to the left and right side of the TX channel In this way you can get information about the power of the channels adjacent to the trans mission channel and the leakage into adjacent channels The results show the relative power measured in the two nearest channels either side of the transmission channel By default the ACLR Settings are derived from the LTE Channel Bandwidth setting of the Demodulation Settings Panel You can change the assumed adjacent channel carrier type and the noise correction via the ACLR Settings The x axis represents the frequency with a frequency span that relates to the specified EUTRA LTE channel and adjacent bandwidths On the y axis the power is plotted in dBm B Adj Chan Leakage Power Assumed ACC EUTRA same BY HCORR OFF RBW 100 00 kHz WEM 1 00 MHz SWT 500 00 ms un 5 15 Mis db User Manual 1173 0620 42 04 53 R amp S9FSQ K100 K102 K104 Result Displays BESSE opectrum Measurements A table above the result display contains information about the measurement in numerical form e Channel Shows the channel type TX A
60. 8 SCPI command CALCulate lt screenid gt FEED SPEC PVRR Channel Flatness Starts the Channel Flatness result display This result display shows the amplitude of the channel transfer function The measurement is evaluated over the currently selected slot in the currently selected subframe The currently selected subframe depends on your selection in the Measure ment Settings dialog box The x axis represents the frequency On the y axis the power is plotted in dB 1 54 MHz diw SCPI command CALCulate lt screenid gt FEED SPEC FLAT Channel Group Delay Starts the Channel Group Delay result display This result display shows the group delay of each subcarrier The measurement is evaluated over the currently selected slot in the currently selected subframe The currently selected subframe depends on your selection in the Measure ment Settings dialog box The x axis represents the frequency On the y axis the power is plotted in dB User Manual 1173 0620 42 04 56 R amp S9FSQ K100 K102 K104 Result Displays Constellation Diagrams B Group Delay ns 1 54 MHzidiv SCPI command CALCulate lt screenid gt FEED SPEC GDEL Channel Flatness Difference Starts the Channel Flatness Difference result display This result display shows the level difference in the spectrum flatness result between two adjacent physical subcarriers The measurement is evaluated over the currently selected slot in th
61. 80 TDD m i21 E TM Turns the special setting of the PHICH for the enhanced test models on and off The special setting is defined in 36 141 V9 0 0 6 1 2 6 For frame structure type 2 the factor m i shall not be set as per TS36 211 Table 6 9 1 but instead shall be setto m i 1 for all transmitted subframes The parameter is available if you have selected TDD SCPI command CONFigure LTE DL PHICh MITM on page 80 PHICH N g Sets the variable N N in combination with the number of resource blocks defines the number of PHICH groups in a downlink subframe The standard specifies several values for N that you can select from the dropdown menu If you need a customized configuration you can set the number of PHICH groups in a subframe by selecting the Custom menu item and set a number of PHICH groups directly with Number Of Groups SCPI command CONFigure LTE DL PHICh NGParameter on page 81 Number Of Groups Sets the number of PHICH groups contained in a subframe To select a number of groups you have to set the PHICH N g to Custom SCPI command CONFigure LTE DL PHICh NOGRoups on page 81 Rel Power Relative Power of the PHICH SCPI command CONFigure LTE DL PHICh POWer on page 81 4 2 3 7 Configuring the PDCCH DL Demod DL Frame Contig BH Ern ke PDCCH Format 1 Mumber of PDCCHs 0 Rel Power O dg User Manual 1173 0620 42 04 41 R amp S9FSQ K100 K102 K104 Configuring Measurements 4
62. A LTE 2 Introduction The R amp S FSQ K100 K104 EUTRA LTE Downlink Measurement Application uses the I Q capture functionality of the R amp S FSQ spectrum analyzer to enable EUTRA LTE TX measurements in line with the EUTRA specification This manual supports the user in working with this software It describes how to prepare execute and evaluate a measurement and gives many helpful hints and examples 2 1 EUTRA LTE Currently UMTS networks worldwide are being upgraded to high speed downlink packet access HSDPA in order to increase data rate and capacity for downlink packet data In the next step high speed uplink packet access HSUPA will boost uplink performance in UMTS networks While HSDPA was introduced as a 3GPP Release 5 feature HSUPA is an important feature of 3GPP Release 6 The combination of HSDPA and HSUPA is often referred to as HSPA However even with the introduction of HSPA the evolution of UMTS has not reached its end HSPA will bring significant enhancements in 3GPP Release 7 The objective is to enhance the performance of HSPA based radio networks in terms of spectrum efficiency peak data rate and latency and to exploit the full potential of WCDMAbased 5 MHz operation Important features of HSPA are downlink multiple input multiple output MIMO higher order modulation for uplink and downlink improvements of layer 2 pro tocols and continuous packet connectivity In order to ensure the competitiveness o
63. DL SENSe L TE DL DEMod BESTimation State This command turns boosting estimation for downlink signals on and off Parameters State ON OFF RST ON Example DL DEM BEST ON Turns boosting estimation on SENSe LTE DL DEMod CBSCrambling boolean This command turns scrambling of coded bits for downlink signals on and off Parameters boolean ON OFF RST ON Example SENS DL DEM CBSC ON Activate scrambling of coded bits SENSe LTE DL DEMod CESTimation lt RefType gt This command selects the channel estimation type for downlink signals User Manual 1173 0620 42 04 102 R amp S FSQ K100 K102 K104 Remote Control SENSe Subsystem Parameters lt RefType gt TGPP 3GPP EVM definition PIL Optimal pilot only PILP Optimal pilot and payload RST TGPP Example SENS DL DEM CEST TGPP Use 3GPP EVM definition for channel estimation SENSe LTE DL DEMod EVMCalc lt CalcType gt This command selects the EVM calculation method for downlink signals Parameters lt CalcType gt TGPP OTP TGPP 3GPP definition OTP Optimal timing position RST TGPP Example SENS DL DEM EVMC TGPP Use 3GPP method SENSe LTE DL DEMod MCFilter State This command turns suppression of interfering neighboring carriers on and off e g LTE WCDMA GSM etc Parameters State ON OFF RST OFF Example DL DEM MCF ON Turns suppression on of neighboring carriers on SENS
64. EIN leie e ER cierto tint oaa ria iaa 92 FEN SUMS PNAN ear deeek dub EE 92 FEN UNPM knee acc 92 TSN EE E 92 FETCh SUMMary POWer MAXImUtm 1 1 accu EENS ENER anon onn n emn Ranae Dan ddnde adr e era 93 FEN NNN Nede 93 FE TCh SUMManv POWWert AVERagoel 93 FEICISUMMarcOUADertor MAXI E 93 FETCh SUMMary QUADerror MINimUm seen eene nenne nnn nnn nnne nennen serene nena 93 FE TCh SUMManv OUADerrort AVERagel nennen nennt nnns nennen nan 93 FET UNS PING asker dad bann 93 FETGK SUMMEN Et e On Du Tu EE 93 FEN SUMMERS TP ERE TL ITI ITE 93 PET CRSUMMary SER ROCA AIM cosa one enhn cea eosam he Des Une ux n Dess opum nere e ro ERR A PEDES 94 FETCh SUMMary SERRor NNN catu o ioc tentia atacados 94 FETCIESUMMar e ln RA on orta nare read is 94 FETCh SUMMary NE Sel d eee 94 FETE PRAN Eben UT 94 FETCh CYCPrefix This command queries the cyclic prefix type that has been detected Return values lt PrefixType gt The command returns 1 if no valid result has been detected yet NORM Normal cyclic prefix length detected EXT Extended cyclic prefix length detected Example FETC CYCP Returns the current cyclic prefix length type Usage Query only R amp S FSQ K100 K102 K104 Remote Control FETCh Subsystem FETCh PLCI CIDGroup This command queries the cell identity group that has been detected Return values lt CidGroup gt The command returns 1 if no valid result has been detected yet Range 0 to 167
65. ENSe IQ LPASs STATe boolean This command turns a baseband input lowpass filter on and off Parameters boolean Example ON OFF RST ON SENS 1Q LPAS ON Activate the input lowpass SENSe POWer ACHannel AACHannel lt AssumedChan gt This command selects the assumed adjacent channel carrier for ACLR measurements Parameters lt AssumedChan gt Example EUTRA UTRA128 UTRA384 UTRA768 EUTRA Selects an EUTRA signal of the same bandwidth like the TX chan nel as assumed adjacent channel carrier UTRA128 Selects an UTRA signal with a bandwidth of 1 28MHz as assumed adjacent channel carrier UTRA384 Selects an UTRA signal with a bandwidth of 3 84MHz as assumed adjacent channel carrier UTRA768 Selects an UTRA signal with a bandwidth of 7 68MHz as assumed adjacent channel carrier RST EUTRA SENS POW ACH AACH UTRA384 Selects an UTRA signal with a bandwidth of 3 84MHz as assumed adjacent channel carrier SENSe POWer AUTO lt analyzer gt STATe State This command initiates a process that determines the ideal reference level User Manual 1173 0620 42 04 106 R amp S FSQ K100 K102 K104 Remote Control SENSe Subsystem Parameters State ON OFF ONCE OFF Performs no automatic reference level detection ON Performs an automatic reference level detection before each mea surement ONCE Performs an automatic reference level once RST ON Example SENS POW AUTO2
66. EXT Extended RST NORM Example CONF DL PHIC DUR NORM Selects normal PHICH duration CONFigure LTE DL PHICh MITM State This command includes or excludes the use of the PHICH special setting for enhanced test models User Manual 1173 0620 42 04 80 R amp S FSQ K100 K102 K104 Remote Control CONFigure Subsystem Parameters State ON OFF RST OFF Example CONT DE PHIC MITM ON Activates PHICH TDD m i 1 E TM CONFigure LTE DL PHICh NGParameter lt Ng gt This command selects the method that determines the number of PHICH groups in a subframe Parameters lt Ng gt NG1_6 NG1_2 NG1 NG2 NGCUSTOM Select NG_CUSTOM to customize N You can then define the variable as you like with CONFigure LTE DL PHICh NOGRoups Rol NG1 6 Example CONF DL PHIC NGP NG1 6 Sets N to 1 6 The number fo PHICH groups in the subframe depends on the number of resource blocks CONF DL PHIC NGP NG CUSTOM Define a customized value for N CONF DL PHIC NOGR 5 Directly sets the number of PHICH groups in the subframe to 5 CONFigure LTE DL PHICh NOGRoups lt NofGroups gt This command sets the number of PHICH groups Parameters lt NofGroups gt lt numeric value gt RST 0 Example CONF DL PHIC NOGR 5 Sets number of PHICH groups to 5 CONFigure LTE DL PHICh POWer Power This command defines the relative power of the PHICH Parameters Power numeric value RST 3 01 dB De
67. Example FETC PLCI CIDG Returns the current cell identity group Usage Query only FETCh PLCI PLID This command queries the cell identity that has been detected Return values lt Cellldentity gt The command returns 1 if no valid result has been detected yet Range 0 to 2 Example FETC PLCI PLID Returns the current cell identity Usage Query only FETCh SUMMary CRESt AVERage This command queries the average crest factor as shown in the result summary Return values lt CrestFactor gt lt numeric value gt Crest Factor in dB Example FETC SUMM CRES Returns the current crest factor in dB Usage Query only FETCh SUMMary EVM DSQP AVERage This command queries the EVM of all resource elements of the PDSCH with a QPSK modulation Return values lt EVM gt lt numeric value gt EVM in or dB depending on the unit you have set Example FETC SUMM EVM DSQP Returns the PDSCH QSPK EVM Usage Query only User Manual 1173 0620 42 04 89 R amp S FSQ K100 K102 K104 Remote Control FETCh Subsystem FETCh SUMMary EVM DSSF AVERage This command queries the EVM of all resource elements of the PDSCH with a 64QAM modulation Return values lt EVM gt lt numeric value gt EVM in or dB depending on the unit you have set Example FETC SUMM EVM DSSF Returns the PDSCH 64QAM EVM Usage Query only FETCh SUMMary EVM DSST AVERage This command queries the EVM of all res
68. FDMA allows the access of multiple users on the available bandwidth Each user is assigned a specific time frequency resource As a fundamental principle of EUTRA the data channels are shared channels i e for each transmission time interval of 1 ms a new scheduling decision is taken regarding which users are assigned to which time frequency resources during this trans mission time interval 2 1 2 2 OFDMA Parameterization A generic frame structure is defined for both EUTRA FDD and TDD modes Additionally an alternative frame structure is defined for the TDD mode only The EUTRA frame structures are defined in 3GPP TS 36 211 For the generic frame structure the 10 ms radio frame is divided into 20 equally sized slots of 0 5 ms A subframe consists of two consecutive slots so one radio frame contains 10 subframes This is illustrated in fig ure 2 4 T expresses the basic time unit corresponding to 30 72 MHz User Manual 1173 0620 42 04 9 R amp S FSQ K100 K102 K104 Introduction EUTRA LTE One radio frame T 307200 xT 10 ms On e slot Tag 15360 x T 7 0 5 ms AH One subframe Fig 2 4 Generic Frame Structure in EUTRA Downlink figure 2 5 shows the structure of the downlink resource grid for the duration of one down link slot The available downlink bandwidth consists of sw subcarriers with a spacing of Af 15 kHz In the case of multi cell MBMS transmission a subcarrier spacing of Af 7 5 kHz is
69. INT Lae 45 DL Frame Config svevende 33 L B E EE 19 MT 62 NZ Ne 62 Fr OVN Digital Input Data Rate rrrrrrnnnrrrnnrrrnornnrrrnrnrrernnnrrnnnnne 29 S 5 I LL Display Settings qe 45 M B jig rs mt ese eee ee 28 DL Adv Sig Config Dialog EE 38 Marker Zoom EEN 62 DL Adv Sig Config Settings sse 38 Measurement Settings oooccccnocccccoocononcnoninnnnccnnnnnnonnnos 42 DL Demod Settings EE 30 MIMO Configuration cesses 29 DL Frame Config Settings En 33 MKR K6Y M 62 DL General Settings EE 19 Multicarrier filter oooonooocccnnnooocccncnncnnncononccnnnonnornnnnnonnos 32 Duration PIG sais 41 E N Numbter ele e 41 Electrical FS e M M T 26 Number of DECH 42 Error in Subframes EE 35 MeLL L tette 20 Eternal Trigger Level ccccssseccesee seseeesseseseeseseeeessanees 24 EVM Calculation Method seemm 31 P EVM Result Displays ENEE 49 EVM VS TE 49 P S SYNC Tx antenna eeee ennemis 39 EM SEE sie 51 PDCCH ua 42 User Manual 1173 0620 42 04 124 R amp S FSQ K100 K102 K104 Index PDSCH reference data 32 PDSCH subframe detection esesessse 31 Phase Error EE 32 ms Clg O EE 41 Power Spectrum coccoocnnccccnnccccnccocnnonnnnnnnonnnononnnonannnnnnnnnonanos 54 Power vs Resource Block PDSCH 55 Power vs Resource Block H 55 PRB symbol offset ocoocccccocccccocccnncococoncnnnncnnoncnn
70. Manual 1173 0620 42 04 26 4 1 2 3 General Settings If inactive you can use the maximum bandwidth However image frequency rejection is no longer ensured If you have selected automatic YIG filter control the R amp S FSQ automatically resolves whether to use the YIG filter or not Manual selection of the Y IG filter state is not available in that case Note that the R amp S FSQ uses the YIG filter only for frequencies greater than 3 6 GHz If the frequency is smaller these settings have no effect SCPI command INPut FILTer YIG STATe on page 97 INPut FILTer YIG AUTO on page 98 High Dynamic Turns the bypass of the bandwidth extension R amp S FSQ B72 on and off if you are using a wideband filter The signal instead passes through the normal signal path If active high dynamic results in a higher resolution because the normal signal path uses a 14 bit ADC However all signals to the left or right of the spectrum of interest are folded into the spectrum itself The high dynamic functionality is available only if R amp S FSQ B72 is installed and the sample rate is in the range from 20 4 MHz to 40 8 MHz SCPI command TRACe IQ FILTer FLATness on page 114 Baseband Settings The baseband settings define settings related to the baseband input source The baseband settings are available only if you have installed option R amp S FSQ B71 For more information on the analog baseband input see the manual for the R amp S FSQ
71. NEN A 28 boosting estimation s esses 32 Capture Time eesseese esee 22 9 upgee ET 35 Cell Identity Group occccoccccccocnccnococoncnncnnnnncnnnoncnnnnos 35 Channel Bandwidth occcoccoccccccccconnconononononinonons 20 Channel Estimation occcoocccccccccccccnnconnconononoconinanons 30 Configurable Subframes sees 35 Configuration eesssssss essen 29 Configuration Table oooccccocccnnoncnconanconanonnanonnnnnnnos 35 Data Capture ocoocccoccccocccocnconcnconncnnncnnonnnnonnnnnnnoncnnnnoos 22 Digital Input Data Rate oooccccoccccnccncccnccconccnnncnnnnooss 29 DES OIA H sm 45 P jig rz Le 28 DL Adv Sig Config Dialog ccoooncnnoccccoocononcnnconnnos 38 DL DEMOA ROT 30 DL Frame Config coocccccccccnonccnncnconcncononcnnnnncononcnnnncnnos 33 DL General EE 19 MEIN 41 BA 26 Error in Subframe ocooocccccccnnccccnccnnncnnonnnnnnnconcnnnnononnnos 35 EVM Calculation Method 31 A run raraR aeaa rEan kE ia Ei 29 EEE 22 Ext Trigger Level ENEE 24 ege A Tr O AREAREN EARRA ERRNO REKT ERARENNEE 20 Full Scale Level oocooocccocccccnonoccncconcocnccncnoncncnnoos 29 edis EE 27 TUG sv ineaceetecasearesereiesceseestares 27 VQ Path ER 28 KERSIES S ziccssshaseanancedecenassnncainicnasasenmedontanmancdnannesneted 24 er 35 Input Settings occcoooncncooocconocononcnnonaccnnonanonnnnano
72. NIMUM nennen nennen nnns nennen nnn nnn 92 FETCh SUMMary GIMBalanceLAVERGSUS c ctp ntn ri menta RR er Ferrer tiran 92 FET SUNNE NO OF MA OU m 92 FE TChSUMhManv ICOCOErserMihumum ENEE EEN 92 FE TCh GUMManv IOOrse AVEHaoel nnne nnne enhn nnne nnn nnns nnn nnn 92 FETCH SUMMan OS TP MAT mM 92 FET SUMMEN OS TP MINUTT eek RE ea ud n utu da ld o Ria dit Mi tiun 92 FETCI SUMMary OSTPEAVERa9ge ina tr b pi iseanan ninan da 92 FEITCh SUMMary POWer MAXIMUM eren nennen nnn inadai nainun n risusa ETARTE a NAET N CREEA ren n 93 FETCh SUMMary POWer MlNmmmum nnne nnne nnn nnne nnn nnn nnne rn nnne n arn nnne 93 FETCh SUMMary POWer AVERage esses nennen nnne nnnm nnne nnn nna nnn nnns nna nnn nnns a ann rrr nn 93 FETCh SUMMary QUADerror MAXimuUtm esses nennen nnne enne nnne nnn nnne ern n rns en rns nnne rn nnn nnn 93 FE TCh GUMManv OUlADerror MiNmmum eene nennen nn nn nnne nnn nnn nnne nnn nnns nnne nnn 93 FETCh SUMMary QUADerror AVERage sees nennen nnne nnne nnn enne rne nnn 93 ups Eis rie RSTP MA Cim 93 FET esie se RS TP MINT D M 93 Il EN RE ee RR e GE 93 FETCh SUMMary SERRoOr MAXIMUM asia rr annt oak ERE elt ep RR PEE peer ea Ene Y EY KE E EE aaa 94 PET Che SUMMEN Eelziixcemuume 94 FET SUMMEN SERROIM AV ER Age EE 94 dpa SUMMA TAE MENNA
73. R amp SSFSQ K100 K102 K104 EUTRA LTE Downlink Measurement Application User Manual 1173 0620 42 04 User Manual Test amp Measurement ROHDE amp SCHWARZ This manual describes the following software applications e R amp S FSQ K100 EUTRA LTE FDD Downlink Measurement Application 1308 9006 02 e R amp S FSQ K102 EUTRA LTE MIMO Downlink Measurement Application 1309 9000 02 e R amp S FSQ K104 EUTRA LTE TDD Downlink Measurement Application 1309 9422 02 O 2011 Rohde amp Schwarz GmbH amp Co KG Muehldorfstr 15 81671 Munich Germany Phone 49 89 41 29 0 Fax 49 89 41 29 12 164 E mail info rohde schwarz com Internet http www rohde schwarz com Printed in Germany Subject to change Data without tolerance limits is not binding R amp S is a registered trademark of Rohde amp Schwarz GmbH amp Co KG Trade names are trademarks of the owners The following abbreviations are used throughout this manual R amp S9FSQ K100 K102 K104 is abbreviated as R amp S FSQ K100 K102 K104 Basic Safety Instructions Always read through and comply with the following safety instructions All plants and locations of the Rohde amp Schwarz group of companies make every effort to keep the safety standards of our products up to date and to offer our customers the highest possible degree of safety Our products and the auxiliary equipment they require are designed built and tested in accordance with the safet
74. SRATe lt SampleRate gt This command defines the sampling rate for a digital I Q signal source Parameters lt SampleRate gt RST 10 MHz Default unit Hz INPut EATT AUTO lt State gt Switches the automatic behaviour of the electronic attenuator on or off If activated elec tronic attenuation is used to reduce the operation of the mechanical attenuation whenever possible This command is only available with option R amp S FSQ B25 but not if R amp S FSQ B17 is active Parameters State ON OFF RST ON Example INP1 EATT AUTO OFF Mode all INPut FILTer YIG STATe boolean This command removes or adds the YIG filter from the signal path If you remove the filter you can use the maximum bandwidth but image frequency rejec tion is no longer ensured Parameters boolean ON OFF RST ON Example INP FILT YIG OFF Removes the YIG filter from the signal path User Manual 1173 0620 42 04 97 R amp S FSQ K100 K102 K104 Remote Control Er a a N JT JNN gt 7 4641 7 0600500 eg pt EUER INPut Subsystem INPut FILTer YIG AUTO boolean This command turns automatic control of the YIG filter on and off Parameters lt boolean gt ON OFF RST ON Example INP FILT YIG AUTO ON Activates automatic control of the YIG filter INPut IQ BALanced STATe boolean This command selects if the I Q inputs are symmetrical balanced or asymmetrical unbalan
75. Structure and Cell Search The downlink reference signal structure is important for cell search channel estimation and neighbor cell monitoring figure 2 6 shows the principle of the downlink reference signal structure for one antenna two antenna and four antenna transmission Specific predefined resource elements in the time frequency domain carry the reference signal sequence Besides first reference symbols there may be a need for second reference symbols The different colors in figure 2 6 represent the sequences transmitted from up to four transmit antennas User Manual 1173 0620 42 04 11 R amp S FSQ K100 K102 K104 Introduction EE EUTRA LTE One antenna ports ATIT EBEN EN H LI Han EM an EM EN li TT TETT TN LETT TT TT TN Pity RATTET I f J 1 54 1 1 T TIT T TTT Resource element k Not used for transmission on this antenna port Reference symbols on this antenna port A a ve Dx C amp H D de E H TITTET TITT T Zeg S LLLLLLTLLLI E i EE Re Ree Gel O O O O 0 O O IN GI Ki AAA IP I LEI i TT TT Sk LETTET FT TR TT ECL La PEL f LI T LETTET ETT TN JJ TI i i RRRRRRRRRRRRRR PM TTTTTTTTTTTT DX FT Fr ka Pour antenna ports E sa F E E E ix i pod REX e A d 1 i i i i i Gespier dot 2d umbaerad aa rennen Na a rinks ats odd mandel Skip da am abis od nambened sats E __ n ES NTE E a _ a _ _
76. Sub Allocation Code Modulation Sumbo Bit Stre am IC wor FECH E OF ag OG OG ai OG OO OF OOF 05 OOF OO OF 04 05 00 FECH E D z O02 02 03 OO OO 03 01 03 OF 02 01 02 03 02 01 FECH P 32 DO 01 01 00 OO Oz OF 03 01 OO 03 3 03 01 08 01 FECH E 45 OG 02 ai 01 02 03 05 03 OO O2 01 02 02 Of 01 O Fig 4 1 Bit stream display in downlink application if the bit stream format is set to symbols User Manual 1173 0620 42 04 43 R amp S9FSQ K100 K102 K104 Configuring Measurements ACLR Settings B Hit Stream Subframe s ALL Sub Allocation Code Modulation Bit Bit Stream frame ID ETT PBCH P 100000000100001000110000100111001010101100001101 A PBCH d 45 111010011011100100010100001010110100111111011001 a FECH i 96 001001011011111100100110101001100110000000110001 a FECH F 144 100101000110100101111111010001011000111010110010 Fig 4 2 Bit stream display in downlink application if the bit stream format is set to bits SCPI command UNIT BSTR on page 116 4 4 ACLR Settings The ACLR Settings are parameters for configuring the Adjacent Channel Leakage Ratio measurement The ACLR settings become available in the side menu of the measurement menu after you have turned the ACLR measurement on 1 Press the MEAS key 2 Press the ACLR softkey The R amp S FSQ starts the ACLR measurement 3 Press the NEXT key The R amp S FSQ opens the side menu 4 Press the ACLR Settings softkey ACP Settings Pe n
77. TIME lt TrackTime gt This command turns timing tracking for downlink signals on and off Parameters TrackTime ON OFF RST OFF User Manual 1173 0620 42 04 104 R amp S FSQ K100 K102 K104 Remote Control SENSe Subsystem Example SENS DL TRAC TIME ON Activates timing tracking SENSe L TE SLOT SELect lt SlotSelection gt This command selects the slot to analyze Parameters lt SlotSelection gt ALL SO S1 S0 Slot 0 S1 Slot 1 ALL Both slots RST ALL Example SLOTSSEL S Selects slot 1 for analysis SENSe LTE SUBFrame SELect lt SFSelection gt This command selects the subframe to be analyzed Parameters lt SFSelection gt ALL numeric value ALL Select all subframes 0 39 Select a single subframe RST ALL Example SENS SUBF SEL ALL Select all subframes for analysis SENSe FREQuency CENTer Frequency This command sets the center frequency for RF measurements Parameters Frequency numeric value Range fmin to fmax RST 1 GHz Default unit Hz Example SENS FREQ CENT 2GHZ Set the center frequency to 2 GHz User Manual 1173 0620 42 04 105 R amp S FSQ K100 K102 K104 Remote Control SENSe Subsystem SENSe IQ DITHer STATe boolean This command adds or removes a noise signal into the signal path dithering Parameters boolean Example ON OFF RST OFF SENS IQ DITH ON Activate input dithering S
78. a e GP The guard period makes sure that there are no overlaps of up and downlink signals during a switch e UpPTS The UpPTS is the uplink part of the special subframe It is used to transmit uplink data The length of the three fields is variable This results in several possible configurations of the special subframe The LTE standard defines 9 different configurations for the spe cial subframe However configurations 7 and 8 only work for a normal cyclic prefix If you select it using an extended cyclic prefix or automatic detection of the cyclic prefix the application will show an error message SCPI command Subframe CONFigure LTE DL TDD UDConf on page 85 Special Subframe CONFigure LTE DL TDD SPSC on page 85 User Manual 1173 0620 42 04 34 R amp S9FSQ K100 K102 K104 Configuring Measurements Demodulation Settings for Downlink Measurements 4 2 2 2 Configuring the Physical Layer Cell Identity DL Demod Reet DL Adv Sig Config Physical Layer Cell Identity Auto v Cell ID Cell Identity Group Identity Configuring the Physical Layer Cell Identity The cell ID cell identity group and physical layer identity are interdependent parameters In combination they are responsible for synchronization between network and user equipment The physical layer cell ID identifies a particular radio cell in the LTE network The cell identities are divided into 168 unique cell identity groups Each group consis
79. aeaia 42 NS AP me A 44 45 SEM SENGS iea TR 45 4 6 Display and Printer SettigS ccooncccnnncccnnccccnnoccnncnnancnnnanonnnncnnnnrennnnennnnrrnanrrnanennanos 45 9 Res l DIS DAYS circa reee 46 5 1 Numerical Results e X 46 5 2 Power vs Time Result DISplayS coomcconncocnnconnreococoncnnonnrennconnanenanenanronnrrnanrnnarenarenanos 48 5 EVM RESUS viii UE 49 54 Spectrum Me sur mens iio eegen ege EE eege 51 5 5 Constellation Diagrams rxrnnnuvnnnnnvnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnernnnnnnnnnennnnnennnnnnnnnnennnnnr 57 5 6 Statistical and Miscellaneous ResultS rranxrrnnnrnnnnnvnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnennnnr 59 6 Using the MAL KOM iccnicineiatoriretin celica erciainideioisiatidicir eras 62 l Ele Manage men Leed 64 A AG e A aaraa 64 12 SAVE REGALL Key csm 65 o APP 66 8 1 Measurements in Detail ranxrnnnnvnnnnnnnnennnnvnnnnnnnnennnnnnnnnnnnnennnnennnnnnnnnnnnnennnnnnnnnnnnnennnnen 66 0 2 Reven 71 PP 71 User Manual 1173 0620 42 04 3 R amp S FSQ K100 K102 K104 Contents 9 1 9 2 9 3 9 4 9 5 9 6 9 7 9 8 9 9 9 10 9 11 9 12 9 13 9 14 9 15 oc PPP 72 Numeric Suffix RTE OT de ME 72 CALGulate SUDS STEM eee CI Vir uM UE tS 73 CONFIgure iioc M Y H 76 DISP lay SUDSY SUC Er M 87 FEICh SUBS SUC T a 87 POR Mat SUDSV SO e
80. also possible iv can vary in order to allow for scalable bandwidth operation up to 20 MHz Initially the bandwidths for LTE were explicitly defined within layer 1 spec ifications Later on a bandwidth agnostic layer 1 was introduced with siv for the different bandwidths to be specified by 3GPP RANA to meet performance requirements e g for out of band emission requirements and regulatory emission limits One downlink slot T aot 4 Resource element One resource block Mpe subcarriers MES subcarriers i Memb OFDM symbols Fig 2 5 Downlink Resource Grid One downlink slot consists of Na OFDM symbols To each symbol a cyclic prefix CP is appended as guard time compare figure 2 1 Nm depends on the cyclic prefix length The generic frame structure with normal cyclic prefix length contains Mia 7 symbols This translates into a cyclic prefix length of T p 5 2us for the first symbol and Tcp 4 7us for the remaining 6 symbols Additionally an extended cyclic prefix is defined in order to cover large cell scenarios with higher delay spread and MBMS transmission The generic frame structure with extended cyclic prefix of Tops Zus contains sr 6 OFDM sym bols subcarrier spacing 15 kHz The generic frame structure with extended cyclic prefix User Manual 1173 0620 42 04 10 R amp S FSQ K100 K102 K104 Introduction 2 1 2 3 2 1 2 4 EUTRA LTE of Tep g 33 3us contains sy 3 symbols subcarrier
81. ame lt subframe gt ALLoc lt allocation gt RBOFfset lt RBOffset gt This command defines the resource block offset of an allocation in a downlink subframe Parameters lt RBOffset gt lt numeric value gt RST 0 Example CONF DL SUBE2 ALL34 RBOF 3 Sets the resource block offset used in allocation 34 in subframe number 2 to 3 CONFigure LTE DL SUBFrame lt subframe gt ALLoc lt allocation gt CW lt cw gt MODulation lt ModType gt This command selects the modulation of an allocation in a downlink subframe Suffix lt cw gt 1 Parameters lt ModType gt QPSK QAM16 QAM64 QPSK QPSK modulation QAM16 16QAM modulation QAM64 64QAM modulation RST QPSK Example CONF DL SUBF4 ALL33 CW2 MOD QAM64 Sets modulation type of codeword 2 in allocation 33 of subframe number 4 to QAM64 CONFigure LTE DL SYNC ANTenna lt Antenna gt This command selects the antenna that transmits the P SYNC and the S SYNC Parameters lt Antenna gt ANT1 ANT2 ANT3 ANT4 ALL NONE RST ALL Example CONF DL SYNC ANT ALL All antennas are used to transmit the P SYNC and S SYNC CONFigure LTE DL SYNC PPOWer Power This command defines the relative power of the P SYNC User Manual 1173 0620 42 04 84 R amp S FSQ K100 K102 K104 Remote Control CONFigure Subsystem Parameters lt Power gt lt numeric value gt RST 0 dB Default unit DB Example CONF DL SYNC PPOW 0 5 Sets a relative power of 0 5
82. annel Group Delay Channel Flatness Difference Constellation diagram Allocation Summary list and Bit Stream If All is selected either the results from all subframes are displayed at once or a statistic is calculated over all analyzed subframes Example If you select All the R amp S FSQ shows the minimum mean maximum statistic oft opns M Py aio ph sci rna Lr F i aul si Lll des kA n User Manual 1173 0620 42 04 42 R amp S9FSQ K100 K102 K104 Configuring Measurements UORR QE ZLLELCO C IIUIIZCOLILCLULUL Dj UE L ZCUOLECZLSLLL LLLO CLLUOLCCZZIZEUISZELUZAOCZOIXZXXLZZIZLUILLOLUIEZTg Measurement Settings with ES e PK peak value e AV average value e MI minimum value If you instead select a specific subframe the R amp S FSQ shows only the results of that subframe SCPI command SENSe LTE SUBFrame SELect on page 105 4 3 2 Units In the Units tab you can define the unit for various measurements EVM Unit The EVM Unit setting allows you to display EVM results in the graphs and the numerical results in dB or 96 SCPI command UNIT EVM on page 116 4 3 3 Misc In the Misc tab you can set miscellaneous parameters Bit Symbols Format The Bit Symbols Format setting allows you to display the bit stream as symbols the bits belonging to one symbol are shown as hexadecimal numbers always with two digits or raw bits Examples B Bit Stream Subframe ALL
83. apture Memory The capture memory result display shows the complete range of captured data for the last data capture The x axis represents the time scale The maximum value of the x axis is equal to the capture length that you can set in the General Settings dialog box The y axis represents the amplitude of the captured l Q data in dBm for RF input or V base band input A Capture Memory dBm Ref 20 dem AME 0 00 0 00 dB CY 0 0 ms 2 0 ms dn 20 1 ms Fig 5 1 Capture buffer without zoom The header of the diagram shows the reference level the mechanical and electrical attenuation and the trace mode The green bar at the bottom of the diagram represents the frame that is currently ana lyzed User Manual 1173 0620 42 04 48 R amp S9FSQ K100 K102 K104 Result Displays EVM Results A blue vertical line at the beginning of the green bar in the Capture Buffer display marks the subframe start Additionally the graph includes the Subframe Start Offset value blue text This value is the time difference between the subframe start and capture buffer start A Capture Memory dBm Ref 20 dBm ATEN 0 00 0 00 dB 6 6 ms 0 0 ms div 7 1 ms Fig 5 2 Capture buffer after a zoom has been applied CALCulate lt screenid gt FEED PVT CBUF 5 3 EVM Results One of the most important results to determine the quality of a signal is the Error Vector Magnitude or EVM Refer to chapter 8 1 Measurements in Detail on page 66
84. asurements SYNC Not Found This bit is set if the application could not synchronize to the signal Only possible with downlink measurements LTE Auto Level No Signal 7 LTE Settings Mismatch This bit is set if the configuration is not the same as the signal mum LTE Signal Analysis Error This bit is always O User Manual 1173 0620 42 04 120 R amp S FSQ K100 K102 K104 List of Commands List of Commands guEern ccilisLs ee 73 CAL Cul iecnzMAker mz ACOEE 74 CALCulate lt n gt MARKer lt m gt FUNCtion POWer RESult CURRenl ooocccccoccncocncnocccnccccccnonccnccannncnocncnnoos 74 CAL Cul ie cnzMAhker mz TRACe 75 GREN EEE ite EE EE 75 NESTE SEE EE 75 GALC ul l lt n gt MARKEN STATS E 74 CGONFoure ber E svbectedU anahyzerz 86 CONFigure POWer EXPected HE anahyzerz eene nenne nnne nnn nnna nnn nisse nnns na nennen nns 86 CONPIGuUre LTE DLU BW ve 76 CONFourel TED CONS LOCG anon 77 CONPigurel RE DE CSU Bi ane Sa OT Oo mE 77 CONFigure LTE DL CY CPYrefix Nk 77 CONFourel LC TEID MIMO AGEIl echon TT GONFIGure LTE DL MIMO CONHIG D 78 COhNFourel TED MiMO ChHROGerak 78 GOMNFiguirel EN d el bet ecsandecsans 78 CONFIGurer DN KE BGA RE 79 GONFIG rer LTELDLUPBCH STA EE 79 CONPFiGUre ETE DEPCFEN POWEL m 79 CONFIO ETE DEPOR TA 79 CONFiguirel L FE DEP DC Ci FORMAL ca
85. be formatted either in binary form or as ASCII files The data is linearly scaled using the unit Volt e g if a correct display of Capture Buffer power is required For binary format data is expected as 32 bit floating point data Little Endian format also User Manual 1173 0620 42 04 64 R amp S FSQ K100 K102 K104 File Management 7 2 SAVE RECALL Key known as LSB Order or Intel format An example for binary data would be 0x1D86E7BB in hexadecimal notation is decoded to 7 0655481E 3 The order of the data is either IQIQIQ or II IQQ Q For ASCII format data is expected as and Q values in alternating rows separated by new lines lt I value 1 gt lt Q value 1 lt I value 2 lt Q value 2 To use data that has been stored externally press the File Manager softkey in the root menu of the application Select the file you want to load and activate it with the Load IQ Data button SAVE RECALL Key Besides the file manager in the root menu you can also manage the data via the SAVE RECALL key The corresponding menu offers full functionality for saving restoring and managing the files on the R amp S FSQ The save recall menu is the same as that of the spectrum mode For details on the softkeys and handling of this file manager refer to the operating manual of the R amp S FSQ User Manual 1173 0620 42 04 65 R amp S FSQ K100 K102 K104 Further Information Measurements in Detail 8 Fu
86. ber of frames that you want to capture and analyze If the number of frames you have set last longer than a single sweep the R amp S FSQ continues the measurement until all frames have been captured The parameter is read only if e the overall frame count is inactive e the data is captured according to the standard Auto According to Standard SCPI command SENSe LTE FRAMe COUNt on page 101 Auto According to Standard Turns automatic selection of the number of frames to capture and analyze on and off If active the R amp S FSQ evaluates the number of frames as defined for EVM tests in the LTE standard If inactive you can set the number of frames you want to analyze This parameter is not available if the overall frame count is inactive SCPI command SENSe LTE FRAMe COUNt AUTO on page 101 4 1 1 4 Triggering Measurements The trigger settings include all parameters necessary to describe conditions for triggering measurements You can find the trigger settings in the General Settings dialog box EB EC TAS OL MIMO Advanced Trigger Settings Trigger kode Free Run Trigger Offset Us Trigger Level Auto 14V Trigger Mode Selects the source that triggers a measurement The R amp S FSQ supports several trigger modes e Free Run When Free Run is active the measurement starts immediately User Manual 1173 0620 42 04 23 R amp S9FSQ K100 K102 K104 Configuring Measurements EEES
87. calefactores La temperatura ambiente no debe superar la temperatura m xima especificada en la documentaci n del producto o en la hoja de datos En caso de sobrecalentamiento del producto pueden producirse choques el ctricos incendios y o lesiones graves con posible consecuencia de muerte 1171 0000 42 05 00 Page 8 Informaciones elementales de seguridad Seguridad el ctrica Si no se siguen o se siguen de modo insuficiente las indicaciones del fabricante en cuanto a seguridad el ctrica pueden producirse choques el ctricos incendios y o lesiones graves con posible consecuencia de muerte 1 10 11 Antes de la puesta en marcha del producto se deber comprobar siempre que la tensi n preseleccionada en el producto coincida con la de la red de alimentaci n el ctrica Si es necesario modificar el ajuste de tensi n tambi n se deber n cambiar en caso dado los fusibles correspondientes del producto Los productos de la clase de protecci n con alimentaci n m vil y enchufe individual solamente podr n enchufarse a tomas de corriente con contacto de seguridad y con conductor de protecci n conectado Queda prohibida la interrupci n intencionada del conductor de protecci n tanto en la toma de corriente como en el mismo producto La interrupci n puede tener como consecuencia el riesgo de que el producto sea fuente de choques el ctricos Si se utilizan cables alargadores o regletas de enchufe deber garantizarse la r
88. ced This command requires option R amp S FSQ B71 Parameters boolean ON OFF RST ON Example INP IQ BAL ON Specifies symmetrical balanced IQ inputs INPut IQ IMPedance Impedance This command selects the input impedance for I Q inputs This command requires option R amp S FSQ B71 Parameters Impedance LOW HIGH RST LOW Example INP IQ IMP LOW Specifies low input impedance for IQ inputs INPut IQ TYPE Path This command selects the input path for baseband input Parameters Path IQ I Q IQ j Q only Q Q only User Manual 1173 0620 42 04 98 R amp S FSQ K100 K102 K104 Remote Control EE 9 9 INSTrument Subsystem Example INP TIO TYPE I Uses l input as the baseband path INPut SELect lt InputType gt This command selects the data source Parameters lt InputType gt RF Selects the RF input as the data source AIQ Selects the analog baseband input as the data source This source is available only with option R amp S FSQ B71 DIQ Selects the digital baseband input as the data source This source is available only with option R amp S FSQ B17 INSTrument Subsystem INSTrument SELect lt Mode gt This command selects the measurement mode by means of text parameters Parameters lt Mode gt SANalyzer Spectrum mode LTE LTE measurement application uplink and downlink RST SANalyzer Example INST SAN Switches the instrument to Spectrum mode
89. d to an attenuation and negative values correspond to an amplification SCPI command DISPlay WINDow lt n gt TRACe lt t gt Y SCALe RLEVel OFFSet on page 87 4 1 1 3 Configuring the Data Capture Data capture includes all functionality that controls the amount and the way the R amp S FSQ records the LTE signal data You can find the data capture settings in the General Settings dialog box HIRSCH OL MIMO Advanced Data Capture Settings Capture Time 40 1 ms Overall Frame Count Lei Mum of Frames to Analyze 1 Auto Acc to Standard Lei Capture Time Sets the capture time The capture time corresponds to the time of one sweep Hence it defines the amount of data the R amp S FSQ captures during one sweep SCPI command SENSe SWEep TIME on page 108 Overall Frame Count Turns the manual selection of the number of frames to capture and analyze on and off User Manual 1173 0620 42 04 22 R amp S9FSQ K100 K102 K104 Configuring Measurements General Settings If the overall frame count is active you can define a particular number of frames to capture and analyze The measurement runs until all required frames have been analyzed even if it takes more than one sweep If the overall frame count is inactive the R amp S FSQ analyzes all complete LTE frames currently in the capture buffer SCPI command SENSe LTE FRAMe COUNt STATe on page 102 Number of Frames to Analyze Sets the num
90. describe the basic physical attributes of the LTE signal You can find the signal characteristics in the General Settings dialog box MAA OL MIMO Advanced Signal Characteristics Standard 3GPP LTE TOD Downlink Frequency 1 00768 GHz Channel Bandwidth Sl 10 MHz Number of RB 50 FFT Size Weer 1024 sampling Rate 15 56 MHz Cyclic Pretix Normal Standard The choices you have depend on the configuration of the R amp S FSQ User Manual 1173 0620 42 04 19 R amp S9FSQ K100 K102 K104 Configuring Measurements pU 09j General Settings option R amp S FSQ K100 enables testing of 3GPP LTE FDD signals on the downlink option R amp S FSQ K101 enables testing of 3GPP LTE FDD signals on the uplink option R amp S FSQ K104 enables testing of 3GPP LTE TDD signals on the downlink option R amp S FSQ K105 enables testing of 3GPP LTE TDD signals on the uplink FDD and TDD are duplexing methods e FDD mode uses different frequencies for the uplink and the downlink e TDD mode uses the same frequency for the uplink and the downlink Downlink DL and Uplink UL describe the transmission path e Downlink is the transmission path from the base station to the user equipment The physical layer mode for the downlink is always OFDMA e Uplink is the transmission path from the user equipment to the base station The physical la
91. different resource elements see figure 2 7 User Manual 1173 0620 42 04 12 R amp S FSQ K100 K102 K104 Introduction EUTRA LTE Test amp Measurement Assumption made by Rohde amp Schwarz 10 ms Radio frame 0 5 ms sub frame 0 5 ms slot Fig 2 7 P SYNC and S SYNC Structure As additional help during cell search a common control physical channel CCPCH is available which carries BCH type of information e g system bandwidth It is transmitted at predefined time instants on the 72 subcarriers centered around the DC subcarrier In order to enable the UE to support this cell search concept it was agreed to have a minimum UE bandwidth reception capability of 20 MHz 2 1 2 5 Downlink Physical Layer Procedures For EUTRA the following downlink physical layer procedures are especially important e Cell search and synchronization See above e Scheduling Scheduling is done in the base station eNodeB The downlink control channel PDCCH informs the users about their allocated time frequency resources and the transmission formats to use The scheduler evaluates different types of information e g quality of service parameters measurements from the UE UE capabilities and buffer status e Link adaptation Link adaptation is already known from HSDPA as adaptive modulation and coding Also in EUTRA modulation and coding for the shared data channel is not fixed but rather is adapted according to radio link quality For
92. djacent or Alternate Channel e Bandwidth Shows the bandwidth of the channel e Spacing Shows the channel spacing e Lower Upper Shows the relative power of the lower and upper adjacent and alternate channels e Limit Shows the limit of that channel if one is defined A Adj Chan Leakage Power Ratio List Ref 25 2 dBm AVE 0 00 0 00 dB Channel Bandwidth Spacing x Sa E e y Adjacent 4 015 MHz 10 00 MHz NIE TE AF 45 00 dB Alternate 9 015 MHz 0 00 MHz 45 00 dB SCPI command CAL Culate lt screenid gt FEED SPEC ACP 5 4 2 l1 Q Result Displays Power Spectrum Starts the Power Spectrum result display This result display shows the power density of the complete capture buffer in dBm Hz The displayed bandwidth depends on bandwidth or number of resource blocks you have set For more information see Channel Bandwidth and Number of Resource Blocks on page 20 The x axis represents the frequency On the y axis the power level is plotted User Manual 1173 0620 42 04 54 R amp S9FSQ K100 K102 K104 Result Displays BESSER opectrum Measurements B Power Spectrum dBm Hz 1 54 MHzidiv SCPI command CALCulate lt screenid gt FEED SPEC PSPE Power vs Resource Block PDSCH Starts the Power vs Resource Block PDSCH result display This result display shows the power of the physical downlink shared channel per resource block By default three traces are shown One trace shows the average power The
93. dwidth Usage Setting only 9 11 SENSe Subsystem SENSe LTE FRAMe COUNL cccccsecescecceceeseeseesceseescescescecserceccecceccaccaccareareseausareareareas 101 ISENSeIUTEIERAMeCOUNEAUTO 101 SENSe L TE FRAMe COUNESTATe eene nennen rne rers an 102 ISENSeIUTEIDL DEMod AUTO nennen trn teneret nn 102 User Manual 1173 0620 42 04 100 R amp S FSQ K100 K102 K104 Remote Control SENSe Subsystem SENSe L TE DL DEMod BESTimation eee nns 102 SENSe L TE DL DEMod CBSCrambling eene 102 SENSe L TE DL DEMod CESTimation eese enean 102 SENSe L TE DL DEMod EVMCalc eren nennen nnne an 103 SENSe L TE DL DEMod MCFilter sescenti nnnnnnran 103 SENSe L TE DL DEMod PRDoata eres trs an 103 ISENSeILTEIDL FORMatbSCH nennen rennen nnns 104 ISENSeIUTEIDLTRACking PH e non non non nan nnn narran nn 104 SENSe L TE DL TRACking TIME sese eene tnn tran 104 ISENSeILTEISLOTSElL ect 105 PENS LTE SUB Pirate Se LSO uc darf nda aki oc db rd rid ord ai e al Rita 105 SENSBEFREQuenoC ENTE rada 105 ek SAR STATE EEE 106 SENSEeCIOLPAS STA TEL ideados 106 SENSe POWer ACHannel AACHannel aswarnannnnnunnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnsnnnnnnnennsnnene 106 IGENZGet POWer AUlTO analvzerztGtf ATel 106 IGENZGet POWer AUTO analvzerz TIME 107 SENSE POWernNCORTEC lOs ir a 107 SENSE PO VESEN ATEN EE 107
94. e LTE DL DEMod PRData lt ReferenceData gt This command the type of reference data to calculate the EVM for the PDSCH Parameters lt ReferenceData gt AUTO ALLO AUTO Automatic identification of reference data ALLO Reference data is 0 according to the test model definition User Manual 1173 0620 42 04 103 R amp S FSQ K100 K102 K104 Remote Control SENSe Subsystem Example DL DEM PRD ALLO Sets the reference data of the PDSCH to O SENSe LTE DL FORMat PSCD lt PSCDFormat gt This command selects the method of identifying the PDSCH resource allocation Parameters lt PSCDFormat gt OFF Applies the user configuration of the PDSCH subframe regardless of the signal characteristics PDCCH Identifies the configuration according to the data in the PDCCH DCIs PHYDET Manual PDSCH configuration analysis only if the actual subframe configuration matches the configured one Automatic PDSCH configuration physical detection of the config uration RST PHYD Example DL FORM PSCD OFF Applies the user configuration and does not check the received signal SENSe E LTET DL TRACking PHASe lt TrackType gt This command selects the phase tracking type for downlink signals Parameters lt TrackType gt OFF PIL PILP OFF Deactivate phase tracking PIL Pilot only PILP Pilot and payload RST OFF Example SENS DL TRAC PHAS PILPAY Use pilots and payload for phase tracking SENSe LTE DL TRACking
95. e Nat RE E ELITS same Bly Moise Correction Assumed Adjacent Channel Carrier Selects the assumed adjacent channel carrier for the ACLR measurement The suppor ted types are EUTRA of same bandwidth 1 28 Mcps UTRA 3 84 Mcps UTRA and 7 68 Mcps UTRA Note that not all combinations of LTE Channel Bandwidth settings and Assumed Adj Channel Carrier settings are defined in the 3GPP standard SCPI command SENSe POWer ACHannel AACHannel on page 106 Noise Correction Turns noise correction on and off For more information see the manual of the R amp S FSQ User Manual 1173 0620 42 04 44 R amp S9FSQ K100 K102 K104 Configuring Measurements SEM Settings Note that the input attenuator makes a clicking noise after every sweep if you are using the noise correction in combination with the auto leveling process SCPI command SENSe POWer NCORrection on page 107 4 5 SEM Settings The SEM Settings are parameters for configuring the Spectrum Emission Mask mea surement The SEM settings become available in the side menu of the measurement menu after you have turned the SEM measurement on 1 Press the MEAS key 2 Press the SEM softkey The R amp S FSQ starts the SEM measurement 3 Press the NEXT key The R amp S FSQ opens the side menu 4 Press the SEM Settings softkey SEM Settings Channel Category A Channel Selects the Category A or B to be used for the Spectrum Emission Mask
96. e currently selected subframe The currently selected subframe depends on your selection in the Measure ment Settings dialog box The x axis represents the frequency On the y axis the power is plotted in dB 1 54 MHzidiv SCPI command CALCulate lt screenid gt FEED SPEC FDIF 5 5 Constellation Diagrams Constellation Diagram Starts the Constellation Diagram result display This result display shows the inphase and quadrature phase results and is an indicator of the quality of the modulation of the signal The result display evaluates the full range of the measured input data You can filter the results in the Constellation Selection dialog box User Manual 1173 0620 42 04 57 R amp S9FSQ K100 K102 K104 Result Displays Constellation Diagrams The ideal points for the selected modulation scheme are displayed for reference purpo Ses B Constellation Diagram Points Measured 66720 SCPI command CALCulate lt screenid gt FEED CONS CONS Constellation Selection Opens a dialog box to filter the displayed results You can filter the results by any com bination of modulation allocation ID symbol carrier or location The results are updated as soon as any change to the constellation selection parameters is made Evaluation Filter Modulation GARE Allocation ALL Symbol ALL Carrier ALL Location Before MMO Decoder antenna You can filter the results by the following parameters e Modulatio
97. e reference level If it does it will overload the A D converter regardless of the signal power Mea surement results may deteriorate e g EVM This applies especially for measurements with more than one active channel near the one you are trying to measure 6 MHz Note that the signal level at the A D converter may be stronger than the level the R amp S FSQ displays depending on the current resolution bandwidth This is because the resolution bandwidths are implemented digitally after the A D converter You can either specify the RF reference level in dBm or baseband reference level in V depending on the input sourcelnput Source You can also turn on automatic detection of the reference level with the Auto Level function User Manual 1173 0620 42 04 25 R amp S9FSQ K100 K102 K104 Configuring Measurements pU X X 4 077 General Settings If active the R amp S FSQ measures and sets the reference level to its ideal value before each sweep However measurement time will increase slightly Automatic level detection also optimizes RF attenuation SCPI command Manual CONFigure POWer EXPected RF analyzer on page 86 Automatic SENSe POWer AUTO lt analyzer gt STATe on page 106 RF Attenuation Sets the mechanical attenuation of the RF signal at the RF input RF attenuation is independent of the reference level
98. e results of the measured allocations in tabular form B Allocation Summary Sub Allocation Number Rel Modulation frame ID of RB Pawer dB Ra Anti 2 2YNC FECH PCFICH PHICH PDCCH User Manual 1173 0620 42 04 59 R amp S9FSQ K100 K102 K104 Result Displays EE Statistical and Miscellaneous Results The rows in the table represent the allocations with allocation ALL being a special allo cation that summarizes all allocations that are part of the subframe A set of allocations form a subframe The subframes are separated by a dashed line The columns of the table contain the follwing information The rows in the table represent the allocations A set of allocations form a subframe The subframes are separated by a dashed line The columns of the table contain the follwing information e Subframe Shows the subframe number e Allocation ID Shows the type ID of the allocation e Number of RB Shows the number of resource blocks assigned to the current PDSCH allocation e Rel Power dB Shows the relative power of the allocation e Modulation Shows the modulation type e Power per RE dBm Shows the power of each resource element in dBm e EVM Shows the EVM of the allocation You can change the unit of the EVM in the Mea surement Settings dialog box SCPI command CALCulate lt screenid gt FEED STAT ASUM Bit Stream Starts the Bit Stream result display This result display shows the demodulated data stream for
99. ealizaci n de un examen regular de los mismos en cuanto a su estado t cnico de seguridad Si el producto no est equipado con un interruptor para desconectarlo de la red se deber considerar el enchufe del cable de conexi n como interruptor En estos casos se deber asegurar que el enchufe siempre sea de f cil acceso de acuerdo con la longitud del cable de conexi n aproximadamente 2 m Los interruptores de funci n o electr nicos no son aptos para el corte de la red el ctrica Si los productos sin interruptor est n integrados en bastidores o instalaciones se deber colocar el interruptor en el nivel de la instalaci n No utilice nunca el producto si est dafiado el cable de conexi n a red Compruebe regularmente el correcto estado de los cables de conexi n a red Asegurese mediante las medidas de protecci n y de instalaci n adecuadas de que el cable de conexi n a red no pueda ser dafiado o de que nadie pueda ser dafiado por l p ej al tropezar o por un choque el ctrico oolamente est permitido el funcionamiento en redes de alimentaci n TN TT aseguradas con fusibles de 16 A como m ximo utilizaci n de fusibles de mayor amperaje solo previa consulta con el grupo de empresas Rohde amp Schwarz Nunca conecte el enchufe en tomas de corriente sucias o llenas de polvo Introduzca el enchufe por completo y fuertemente en la toma de corriente La no observaci n de estas medidas puede provocar chispas fuego y o lesiones
100. efore ignores any PDSCH settings e g it does not have an influence on this measurement if the PDSCH MIMO scheme is set to transmit diversity or spatial multiplexing The EVM will usually be very high for this measurement This does not effect the accuracy of the time alignment error measurement result R amp S9FSQ K100 K102 K104 Screen Layout 3 Screen Layout After starting the application the screen takes on the following layout EUTRA LTE 13 06 09 Ex 1 GHz Meas Setup 4 Mel RX vi Att um SETTINGS Mode DL FDD Ou Mortal CCP Syne State Capture Time 20 1 mz GEN DENODD SIMGLE TRG FREE RUN RF A Capture Memory dBm Ref Z3 B dBm AHE 0 00 0 00 dB Bl MEAS SETTINGS DISPLAY LIST B EVM us Carrier SPEC TRUH i EE ERN mee d CONSTELL mE sans LL LI o e 68 MHz 1 54 MHz dre 7 68 MHz FILE MANAGER SPEC TRUM AUTO LUL 8 RUN an f RUN conr _ RUN CONT CONT _ REFRESH _ SCREEN A A 1 Title Bar shows the currently active measurement application 2 Table Header shows basic measurement information e g the frequency 3 Result Display Header shows information about the display trace 4 Result Display Screen A shows the measurement results 5 Result Display Screen B shows the measurement results 6 Status Bar shows the measurement progress software messages and errors 7 Softkeys open settings dialogs and select result displays 8 Hotkeys control the meas
101. eldas o bater as de sus embalajes originales hasta el momento en que vayan a utilizarse Mantener bater as y celdas fuera del alcance de los nifios En caso de ingesti n de una celda o bater a avisar inmediatamente a un m dico Las celdas o bater as no deben someterse a impactos mec nicos fuertes indebidos 1171 0000 42 05 00 Page 11 Informaciones elementales de seguridad 6 Encaso de falta de estanqueidad de una celda el l quido vertido no debe entrar en contacto con la piel ni los ojos Si se produce contacto lavar con agua abundante la zona afectada y avisar a un m dico En caso de cambio o recarga inadecuados las celdas o bater as que contienen electrolitos alcalinos p ej las celdas de litio pueden explotar Para garantizar la seguridad del producto las celdas o bater as solo deben ser sustituidas por el tipo Rohde amp Schwarz correspondiente ver lista de recambios Las bater as y celdas deben reciclarse y no deben tirarse a la basura dom stica Las bater as o acumuladores que contienen plomo mercurio o cadmio deben tratarse como residuos especiales Respete en esta relaci n las normas nacionales de eliminaci n y reciclaje Transporte 1 El producto puede tener un peso elevado Por eso es necesario desplazarlo o transportarlo con precauci n y si es necesario usando un sistema de elevaci n adecuado p ej una carretilla elevadora a fin de evitar lesiones en la espalda u otros dafios personales
102. ell ID detection is not available if synchroni zation is based on the reference signal SCPI command CONFigure LTE DL SYNC ANTenna on page 84 P SYNC Relative Power Relative power of the P SYNC signals SCPI command CONFigure LTE DL SYNC PPOWer on page 84 S SYNC Relative Power Relative power of the S SYNC signals SCPI command CONFigure LTE DL SYNC SPOWer on page 85 4 2 3 4 Configuring the PBCH 4 2 3 5 4 2 3 6 Demodulation Settings for Downlink Measurements DL Adv Sig Config Present PBCH Present specifies whether the physical broadcast channel is present or not SCPI command CONFigure LTE DL PBCH STAT on page 79 Rel Power Relative Power of the PBCH SCPI command CONFigure LTE DL PBCH POWer on page 79 Configuring the PCFICH DL Adv Sig Config E Present PCFICH Present specifies whether the physical control format channel is present or not SCPI command CONFigure LTE DL PCFich STAT on page 79 Rel Power Relative Power of the PCFICH SCPI command CONFigure LTE DL PCFich POWer on page 79 Configuring the PHICH DL Adv Sig Config R amp S9FSQ K100 K102 K104 Configuring Measurements zucca M Il o Aoass j BXLLL Ai t asLAMAIGLL A AA Demodulation Settings for Downlink Measurements Duration Selects the duration of the PHICH Normal and extended duration are supported SCPI command CONFigure LTE DL PHICh DURation on page
103. ence to single sweep INIT CONT ON Switches the sequence to continuous sweep INITiate REFResh This command updates the current l Q measurement results to reflect the current mea surement settings No new l Q data is captured Thus measurement settings apply to the UO data currently in the capture buffer The command applies exclusively to I Q measurements It requires UO data Example INIT REFR The application updates the IQ results Usage Event INPut Subsystem INbutATTenuaton analvzerz eene nennnnnnnnne snas se sse sei sa isses aa saa sas aas an 96 INPut DIQ RANGE UPPer cceccsccceccecceccecececcecceceecceeccaceecestesaeseceeceecesaesateesessesseesesess 97 INPUCDIQ ORA C 97 FULLE NET le 97 FIFE TT ride 97 FAP NUPEN 98 INPUtIQ BALanced STATE EE EE NE EE 98 A EE 98 a A ag o 98 EE 99 INPut ATTenuation lt analyzer gt lt Attenuation gt This command sets the RF attenuation for an analyzer in the test setup Parameters lt Attenuation gt lt numeric value gt RST 5 dB Default unit dB User Manual 1173 0620 42 04 96 R amp S FSQ K100 K102 K104 Remote Control INPut Subsystem INPut DIQ RANGe UPPer lt ScaleLevel gt This command defines the full scale level for a digital UO signal source Parameters ScaleLevel Numeric value RST 1V Default unit V Example INP DIQ RANG 0 7 Sets the full scale level to 0 7 V INPut DIQ
104. entes a la eliminaci n de residuos En caso de que durante el trato del producto se formen sustancias peligrosas o combustibles que deban tratarse como residuos especiales p ej refrigerantes o aceites de motor con intervalos de cambio definidos deben tenerse en cuenta las indicaciones de seguridad del fabricante de dichas sustancias y las normas regionales de eliminaci n de residuos Tenga en cuenta tambi n en caso necesario las indicaciones de seguridad especiales contenidas en la documentaci n del producto La eliminaci n incorrecta de sustancias peligrosas o combustibles puede causar dafios a la salud o dafios al medio ambiente 1171 0000 42 05 00 Page 12 Qualit tszertifikat Certificate of quality Certificat de qualit Sehr geehrter Kunde Sie haben sich f r den Kauf eines Rohde amp Schwarz Produktes ent schieden Hiermit erhalten Sie ein nach modernsten Fertigungsmethoden hergestelltes Produkt Es wurde nach den Regeln unseres Qualit tsmanage mentsystems entwickelt gefertigt und gepr ft Das Rohde amp Schwarz Qualitatsmanagementsystem ist u a nach ISO 9001 und ISO 14001 zertifiziert Der Umwelt verpflichtet 1 Energie effiziente RoHS konforme Produkte 1 Kontinuierliche Weiterentwicklung nachhaltiger Umweltkonzepte 1 ISO 14001 zertifiziertes Umweltmanagementsystem Dear Customer You have decided to buy a Rohde Schwarz product You are thus assured of receiving a product that is manufactured usi
105. er RB averaged over all subframes TRACE2 Minimum power of the reference signal per RB or nothing if a single sub frame is selected TRACE3 Maximum power of the reference signal per RB or nothing if a single sub frame is selected e Power vs RB PDSCH For the Power vs RB PDSCH result display the command returns one value for each resource block RB of the PDSCH power in dBm gt The command returns the following for parameter TRACE1 to TRACES depending on the Subframe Configuration TRACE1 Mean power of the reference signal per RB averaged over all subframes TRACE2 Minimum power of the reference signal per RB or nothing if a single sub frame is selected TRACE3 Maximum power of the reference signal per RB or nothing if a single sub frame is selected e Channel Flatness User Manual 1173 0620 42 04 111 R amp S FSQ K100 K102 K104 Remote Control a TRACe Subsystem For the Channel Flatness result display the command returns one value for each trace point spectrum flatness in dB The number of trace points depends on the LTE bandwidth The command returns the following for parameter TRACE1 to TRACES depending on the Subframe Configuration TRACE 1 mean power of the channel flatness averaged over all subframes TRACE2 minimum power of the channel flatness or nothing if a single subframe is selected TRACE3 maximum power of the channel flatness or nothing if a single subframe is selected e Channe
106. ered antenna and antenna 1 and will be displayed in the result summary The figure below shows a sche matic description of the results User Manual 1173 0620 42 04 14 R amp S9FSQ K100 K102 K104 Introduction TT A Performing Time Alignment Measurements Ix Antenna 1 LTE Frame Start Indicatar Time Tx Antenna 2 Indicatar Time Alignment Error A2 7 a LTE Frame Start Time Tx Antenna 3 Time Alignment Error A3 1 Indicator LTE Frame Start Time Tx Antenna 4 Time Alignment Error 4 1 LTE Frame start Indicator Time Fig 2 8 Schematic description of the time alignment results The figure below shows the test setup for the time alignment measurement the dashed connections are only required for 4 TX antenna MIMO configuration For best measure ment result accuracy it is recommended to use cables of the same length and identical combiners as adders User Manual 1173 0620 42 04 15 Performing Time Alignment Measurements Fig 2 9 Time alignment measurement hardware setup For a successful time alignment measurement make sure to set up the measurement correctly e the subframe selection in the general settings menu must be set to All e enable Compensate Crosstalk in the demodulation settings see screenshot below EMERY DL Frame Contig DL Atv Sig Config Note that the time alignment measurement only uses the reference signal and ther
107. ervice Request Enable mask register SRE being on the highest level The STB gets its information from the standard Event Status Register ESR and the Event Status Enable mask register ESE The STB and ESR are both defined by IEEE 488 2 In addition to the ESR the STB also gets information from the STATus OPERation and STATus QUEStionable registers These are the link to the lower levels of the status User Manual 1173 0620 42 04 116 Status Reporting System LTE Measurements register and are defined by SCPI They contain information about the state of the R amp S FSQ In addition to the status registers of the base system the LTE measurement application provides additional or different registers specific to this firmware option This chapter decribes the registers specific to the LTE measurement applications uplink and down link For a description of the other registers see the operating manual of the R amp S FSQ Status Reporting System LTE Measurements Overview of the status register 15 not used S c BIE ALT2 LOWer FAIL screen B ALT2 UPPer FAIL screen Bj ALT Lier FAIL screen B AUT LIPPar FAIL screen B ADJ LOWer FAIL screen B ADJ UPPar FAIL screen B CA b EE HCDPy in progress LTE Signal AAL ois Error LTE Settings Mismarch LTE A o Level No Signal ed 4 MEASuring hk ah mh xh ah
108. es to Possible are values are lt 1 4 gt lt subframe gt lt 0 39 gt This suffix selects the subframe that you want to analyze see chapter 4 2 2 3 Config uring PDSCH Subframes on page 35 Depending on your configuration possible val ues are lt 0 9 gt User Manual 1173 0620 42 04 72 R amp S FSQ K100 K102 K104 Remote Control pme M M M 9 2 CALCulate Subsystem allocation lt 0 99 gt This suffix selects the allocation that you want to analyze see chapter 4 2 2 3 Config uring PDSCH Subframes on page 35 Depending on your configuration possible val ues are lt 0 99 gt CALCulate Subsystem FEST io de eee EI ER EEE de 73 CALCulate n2 MARKer m FUNCtion POWer RESult CURRent ueusss 14 CALC Ween WAR eri EN ZA CAL COulate cnzMAbkerzmztGT ATel nennen mene ne n ne s nnnnns ZA CAL Culate cnzMAb kermz TRACe assesses esas e sedens 15 H EN ETE em ES 15 GRETE EEG ol ich EE 15 CALCulate lt n gt FEED lt DispType gt This command selects the measurement and result display Parameters lt DispType gt PVT CBUF capture buffer result display EVM EVCA EVM vs carrier result display EVM EVSY EVM vs symbol result display EVM FEVS frequency error vs symbol result display EVM EVSU EVM vs subframe result display
109. esult display the command returns returns six values for each line in the bitstream table lt subframe gt allocation ID lt codeword gt modulation number of symbols or bits gt lt hexadecimal or binary numbers This command is not available for Real32 data format and will therefore always return ASCII formatted data Parameters hexadecimal or In Hexmode a comma separated stream of two digit hexadecimal binary numbers numbers and in binary mode a comma separated stream of binary numbers number of symbols In Hexmode the number of symbols to be transmitted and in or bits binary mode the number of bits to be transmitted Parameters for setting and query lt TraceNumber gt TRACE1 TRACE2 TRACE3 If you have more than one trace in the result display this param eter selects the trace whose data you want User Manual 1173 0620 42 04 113 R amp S FSQ K100 K102 K104 Remote Control Er a a MH N regens TRACe Subsystem Return values allocation ID Allocation ID for downlink signals The range is 1 13 1 INVALID 2 ALL 3 P SYNC 4 S SYNC 5 PILOTS ANT1 6 PILOTS ANT2 7 PILOTS ANT3 8 PILOTS ANT4 9 PCFICH 10 PHICH 11 PDCCH 12 PBCH 13 PMCH lt codeword gt Codeword of the allocation The range is from 0 2 0 1 1 1 1 2 2 2 2 lt EVM gt EVM is returned either in dB or
110. f UMTS for the next 10 years and beyond con cepts for UMTS long term evolution LTE have been investigated The objective is a high data rate low latency and packet optimized radio access technology Therefore a study item was launched in 3GPP Release 7 on evolved UMTS terrestrial radio access EUTRA and evolved UMTS terrestrial radio access network EUTRAN LTE EUTRA will then form part of 3GPP Release 8 core specifications This introduction focuses on LTE EUTRA technology In the following the terms LTE or EUTRA are used interchangeably requirements e g targets for data rate capacity spectrum efficiency and latency Also commercial aspects such as costs for installing and operating the network were consid ered Based on these requirements technical concepts for the air interface transmission schemes and protocols were studied Notably LTE uses new multiple access schemes on the air interface orthogonal frequency division multiple access OFDMA in downlink and single carrier frequency division multiple access SC FDMA in uplink Furthermore MIMO antenna schemes form an essential part of LTE In an attempt to simplify protocol architecture LTE brings some major changes to the existing UMTS protocol concepts Impact on the overall network architecture including the core network is being investiga ted in the context of 3GPP system architecture evolution SAE User Manual 1173 0620 42 04 6 R amp S FSQ K100 K102 K104 In
111. fault unit DB Example CONF DL PHIC POW 1 3 Sets the relative power to 1 3 dB User Manual 1173 0620 42 04 81 R amp S FSQ K100 K102 K104 Remote Control CONFigure Subsystem CONFigure LTE DL PLCI CIDGroup lt GroupNumber gt This command selects the cell ID group for downlink signals Parameters lt GroupNumber gt AUTO lt numeric value gt AUTO Automatic selection 0 167 Manual selection RST AUTO Example CONF DL PLCI CIDG 134 Cell identity group number 134 is selected CONF DL PLCI CIDG AUTO Automatic cell identity group detection is selected CONFigure LTE DL PSOFfset lt PRBSymbOffset gt This command defines the symbol offset for PDSCH allocations relative to the start of the subframe The offset applies to all subframes Parameters PRBSymbOffset AUTO Automatically determines the symbol offset numeric value Manual selection of the symbol offset Range 0 to 4 RST AUTO Example CONF DL PSOF 2 Sets an offset of 2 symbols CONFigure LTE DL REFSig POWer Power This command defines the relative power of the reference signal Parameters Power numeric value RST 0 dB Default unit DB Example CONF DLREERS POW 1 2 Sets a relative power of 1 2 dB CONFigure LTE DL PLCI PLID Identity This command selects the physical layer identity for downlink signals User Manual 1173 0620 42 04 82 R amp S FSQ K100 K102 K104 Remote Control
112. for details on the mathematical foundations of the EVM measurement The R amp S FSQ EUTRA LTE Measurement Application offers various result displays to determine the EVM of the signal on different levels EVM vs Carrier Starts the EVM vs Carrier result display This result display shows the Error Vector Magnitude EVM of the subcarriers With the help of a marker you can use it as a debugging technique to identify any subcarriers whose EVM is too high The displayed result is an average over all available OFDM symbols By default three traces are shown One trace shows the average EVM The second and the third trace show the minimum and maximum EVM values respectively You can select to display the EVM for a specific subframe In that case the application shows the EVM of that subframe only For more information seechapter 4 3 1 Selection on page 42 The x axis represents the center frequencies of the subcarriers On the y axis the EVM is plotted either in 9o or in dB depending on your selection in the Measurement Set tings dialog box User Manual 1173 0620 42 04 49 R amp S9FSQ K100 K102 K104 Result Displays BESSER EVM Results B EVM vs Carrier 55 1 54 MHzidiv SCPI command CALCulate lt screenid gt FEED EVM EVCA EVM vs Symbol Starts the EVM vs Symbol result display This result display shows the Error Vector Magnitude EVM on symbol level You can use it as a debugging technique to identify any
113. g 8 2 EUTRA LTE Downlink Measurement Application After the time to frequency transformation by an FFT of length Nr the phase synchro nization block is used to estimate the following e the relative sampling frequency offset SFO e the residual carrier frequency offset Af CFO e the common phase error User Manual 1173 0620 42 04 68 R amp S FSQ K100 K102 K104 Further Information 8 1 3 2 8 1 3 3 Measurements in Detail According to Speth et al 1999 7 and Speth et al 2001 8 the uncompensated sam ples can be expressed as Ri Arg Hi ef Lp A Nr Hl e Melen a 5 Nix gt gt gt CPE SFO reg CEO 8 1 where e the data symbol is a on subcarrier k at OFDM symbol e the channel transfer function is hj e the number of Nyquist samples is N within the symbol time T e the useful symbol time T T T e the independent and Gaussian distributed noise sample is n Within one OFDM symbol both the CPE and the residual CFO cause the same phase rotation for each subcarrier while the rotation due to the SFO depends linearly on the subcarrier index A linear phase increase in symbol direction can be observed for the residual CFO as well as for the SFO The results of the tracking estimation block are used to compensate the samples r Whereas a full compensation is performed in the reference path the signal impairments that are of interest to the user are left uncompensated in the measure
114. gure TEE SEET ee 79 CNP re al FE RT an e TEE 79 Fe AE NN EE 79 CONFIO LIE PEPE jakka taxes Kind aptas V dd dass eap cubat 79 LONMNMSUre P LTEEDEPDUCOEBNOPLL EE 80 CUONFIGUSELTEEDLEISDOCIERGU BE susti titi 80 CNF PL TE UL PRO DURADO No cisnes lidad pda 80 CNF LTE COL PTR TT storage cta 80 CONFigurerL TEE DLE PHICHhINGPararmel r see egeNE dann ranas cina ences cea ca oic 81 CONFigure L TE DL PHICh NOGROUDS eerte nennen ns 81 GF VEE e 81 FE TE DL PLE COITO s escisesnstivantb Sz eut bush auti a 82 GUNFIBUISLETEERDLIPSDI SB cues i daa ub ctus e enQu va ala oi 82 GONPIUITE CL TE DL ARE PS KR MEA ico 82 FE o MEA AA 82 CONFigure L TED GUBtrame subiramez Al Count esses 83 CONFigure L TE DL SUBFramessubframe ALLoc allocation POWer 83 CONFigure L TE DL SUBFramessubframe ALLoc allocation RBCount 83 CONFigure L TE DL SUBFramessubframe ALLoc allocation RBOFfset 84 CONFigure LTE DL SUBFrame lt subframe gt ALLoc lt allocation gt CW lt cw gt MODulation 84 CONFigurerELTELDE SYNG AN Ted isc ii 84 CNF LTEMA PP VA Luanda add mekke bekk eda 84 CONFISureELIEEDLSYNU SIP WEE ecu damen co nina RI dic bm tun mda ced uia a acta da 85 B vuv ERE EEE c cT 85 es do AM e e MAA 85 SON SLEEP 86 CONFOUS TELLO Re EE 06 CONoure ber EvbechedIO anahyzerz 86 CONFigu
115. he upper adjacent channel in dB e lt 1stLowerAltChannelPower gt is the relative power of the first lower alternate channel in dB e lt 1stUpperAltChannelPower gt is the relative power of the first lower alternate channel in dB e lt nLowerAltChannelPower gt is the relative power of a subsequent lower alternate channel in dB e lt nLowerAltChannelPower gt is the relative power of a subsequent lower alternate channel in dB Example CALC1 MARK FUNC POW RES Returns the current ACLR measurement results Usage Query only CALCulate lt n gt MARKer lt m gt AOFF This command turns all markers and delta markers off Example CALC MARK AOFF Switches off all markers Usage Event CALCulate lt n gt MARKer lt m gt STATe State This command turns markers on and off Parameters State ON OFF RST OFF Example CALC MARK3 ON Switches on marker 3 or switches to marker mode User Manual 1173 0620 42 04 74 R amp S FSQ K100 K102 K104 Remote Control CALCulate Subsystem CALCulate lt n gt MARKer lt m gt TRACe Trace This command selects the trace the marker is positioned on Note that the corresponding trace must have a trace mode other than Blank If necessary the command activates the marker first Parameters Trace 1 to 6 Trace number the marker is assigned to Example CALC MARK3 TRAC 2 Assigns marker 3 to trace 2 CALCulate lt n gt MARKer lt m gt X Position This co
116. ia Constellation Selection on page 58 Constellation data is returned in the following order Subframe 0 Symbol 0 first to last carrier of symbol 0 Subframe 0 Symbol 1 first to last carrier of symbol 1 Subframe O to last symbol of subframe O Subframe 1 Symbol 0 first to last carrier of symbol 0 Subframe 1 Symbol 1 first to last carrier of symbol 1 Subframe 1 to last symbol of subframe 1 User Manual 1173 0620 42 04 112 R amp S FSQ K100 K102 K104 Remote Control TRACe Subsystem to last subframe TRACE 1 all constellation data covered by the selection TRACE2 reference symbols TRACES sounding reference signal e CCDF For the Complementary Cumulative Distribution Function result display the com mand returns the probability over the power level The command returns the following for parameter TRACE1 to TRACE2 TRACE 1 returns the values of the y axis probability value in 9o TRACE2 returns the corresponding values of the x axis power steps in dB e Allocation Summary For the Allocation Summary result display the command returns seven values for each line of the allocation summary table subframe allocation ID number of RB relative power modulation power in dBm gt EVM in dB or 965 This command is not available for Real32 data format and will therefore always return ASCII formatted data e Bitstream For the BitStream r
117. ies fire or damage to the product 12 If a product is to be permanently installed the connection between the PE terminal on site and the product s PE conductor must be made first before any other connection is made The product may be installed and connected only by a licensed electrician 13 For permanently installed equipment without built in fuses circuit breakers or similar protective devices the supply circuit must be fused in such a way that anyone who has access to the product as well as the product itself is adequately protected from injury or damage 1171 0000 42 05 00 Page 3 14 15 16 17 18 Basic Safety Instructions Use suitable overvoltage protection to ensure that no overvoltage such as that caused by a bolt of lightning can reach the product Otherwise the person operating the product will be exposed to the danger of an electric shock Any object that is not designed to be placed in the openings of the housing must not be used for this purpose Doing so can cause short circuits inside the product and or electric shocks fire or injuries Unless specified otherwise products are not liquid proof see also section Operating states and operating positions item 1 Therefore the equipment must be protected against penetration by liquids If the necessary precautions are not taken the user may suffer electric shock or the product itself may be damaged which can also lead to personal injury Ne
118. ifts wagons etc The user is responsible for securely fastening the products to or on the means of transport or lifting Observe the safety regulations of the manufacturer of the means of transport or lifting Noncompliance can result in personal injury or material damage 3 If you use the product in a vehicle it is the sole responsibility of the driver to drive the vehicle safely and properly The manufacturer assumes no responsibility for accidents or collisions Never use the product in a moving vehicle if doing so could distract the driver of the vehicle Adequately secure the product in the vehicle to prevent injuries or other damage in the event of an accident Waste disposal 1 If products or their components are mechanically and or thermally processed in a manner that goes beyond their intended use hazardous substances heavy metal dust such as lead beryllium nickel may be released For this reason the product may only be disassembled by specially trained personnel Improper disassembly may be hazardous to your health National waste disposal regulations must be observed 2 If handling the product releases hazardous substances or fuels that must be disposed of in a special way e g coolants or engine oils that must be replenished regularly the safety instructions of the manufacturer of the hazardous substances or fuels and the applicable regional waste disposal regulations must be observed Also observe the relevant safety instructi
119. in depending on the unit you have set lt modulation gt Type of modulation The range is 0 8 0 Unrecognized 1 RBPSK both constellation points are located on the x axis 2 QPSK 3 16QAM 4 64QAM 5 8PSK 6 PSK 7 Modulation mixture 8 BPSK lt number of RB gt Number of resource blocks lt subframe gt Number of the subframe Usage Query only TRACe IQ FILTer FLATness lt FilterType gt This command turns the wideband filter on and off Parameters lt FilterType gt NORMal Uses the normal filter WIDE Turns the wideband filter on RST NORMal User Manual 1173 0620 42 04 114 R amp S FSQ K100 K102 K104 Remote Control TRIGger Subsystem Example TRAC IQ FILT FLAT WIDE Turns the wideband filter on 9 13 TRIGger Subsystem TRlGoert GEOuencel HOL Doft analvzerz 115 TRIGger SEQuence LEVel analyzer EXTernal eee 115 TRISTE SED danses DIE EN 115 TRIGger SEQuence HOLDoff lt analyzer gt lt TrigOffset gt This command defines the trigger offset Parameters lt TrigOffset gt lt numeric value gt RST 0s Default unit s Example TRIG HOLD 5MS Sets the trigger offset to 5 ms TRIGger SEQuence LEVel lt analyzer gt EXTernal Level This command defines the level of an external trigger Parameters TriggerLevel Range 0 5 V to 3 5V RST 1 4 V Example TRIG LEV 2V TRIGger SEQuence MODE lt TrigMode gt This command se
120. l Group Delay For the Channel Group Delay result display the command returns one value for each trace point channel group delay in ns The number of trace points depends on the LTE bandwidth The command returns the following for parameter TRACE1 to TRACES depending on the Subframe Configuration TRACE1 Mean time of the channel group delay averaged over all subframes TRACE2 Minimum time of the channel group delay or nothing if a single subframe is selected TRACE3 Maximum time of the channel group delay or nothing if a single subframe is selected e Channel Flatness Difference For the Channel Flatness Difference result display the command returns one value for each trace point channel flatness difference in dB The number of trace points depends on the LTE bandwidth The command returns the following for parameter TRACE1 to TRACE3 depending on the Subframe Configuration TRACE 1 Mean power of the channel flatness difference averaged over all sub frames TRACE2 Minimum power of the channel flatness difference or nothing if a single subframe is selected TRACE3 Maximum power of the channel flatness difference or nothing if a single subframe is selected e Constellation Diagram For the Constellation Diagram result display the command returns an array of inter leaved and Q data until all data is exhausted By default the command returns all measured data points You can reduce the amount of data by filtering the results v
121. lay the command returns a value for each sub frame The unit is either dB or 9o depending on the unit you have set EVM in dB EVM in gt The command returns data only for parameter TRACE1 e Spectrum Emission Mask For the Spectrum Emission Mask result display the command returns one value for each trace point for parameter TRACE 1 lt power in dBm gt For parameter LIST it returns the contents of the SEM table index in result table start frequency band in Hz stop frequency band in Hz RBW in H2 gt limit fail frequency in Hz absolute power in dBm gt relative power in dBc gt limit distance in dB failure flag gt The failure flag element returns 1 for FAIL and 0 for PASS e Adjacent Channel Leakage Ratio For the ACLR result display the command returns one value for each trace point for parameter TRACE1 power in dBm gt For parameter LIST it returns the contents of the ACLR table e Power Spectrum For the Power Spectrum result display the command returns the signal power in dBm Hz as list over the considered frequency span for parameter TRACE 1 power in dB e Power vs RB RS For the Power vs RB RS result display the command returns one value for each resource block RB of the reference signal power in dBm gt The command returns the following for parameter TRACE1 to TRACES depending on the Subframe Configuration TRACE 1 Mean power of the reference signal p
122. lectable IF filter bandwidth ranges from 300 kHz to 50 MHz The A D converter samples the IF signal at a rate of 81 6 MHz The digital signal is converted down to the complex baseband is lowpass filtered and is resampled to the nearest multiple of the target sampling rate The decimation filters suppress the aliasing frequencies arising from the subsequent down sampling to the target rate Up to 16 M samples of the now available l Q data can be stored in the capture buffer IF 20 4 MHz IF filter 50 MHz 20 MHz 10 MHz sampling r te sampling rate sampling rate tigger 3 MHz B1 6 MHz 81 6 MHz fo 40 8 MHz 81 5 MHz to 10 kHz 1 MHz r ito2 d 2 n 300 kHz nege Fig 8 1 Data Capturing Mechanism of the R amp S FSQ E UTRA LTE Downlink Measurement Application The block diagram in figure 8 2 shows the E UTRA LTE downlink measurement appli cation from the capture buffer containing the UO data to the actual analysis block The User Manual 1173 0620 42 04 67 R amp S FSQ K100 K102 K104 Further Information EE 8 1 3 1 Measurements in Detail outcome of the fully compensated reference path green are the estimates u of the transmitted data symbols au Depending on the user defined compensation the received samples Cu of the measurement path yellow still contain the transmitted signal impair ments of interest The analysis block reveals these impairments by comparing the refer ence and the measurement pa
123. lects the trigger source Parameters lt TrigMode gt EXTernal IMMediate POWer EXTernal Selects external trigger source IMMediate Selects free run trigger source POWer Selects IF power trigger source RST IMMediate Example TRIG MODE EXT Selects an external trigger source User Manual 1173 0620 42 04 115 R amp S FSQ K100 K102 K104 Remote Control 9 14 9 15 UNIT Subsystem UNIT Subsystem CAT c e e UE O O E 116 EN 116 UNIT BSTR lt Unit gt This command selects the way the bit stream is displayed Parameters lt Unit gt SYMbols Displays the bit stream using symbols BITs Displays the bit stream using bits RST SYMbols Example UNIT BSTR BIT Bit stream gets displayed using Bits UNIT EVM lt Unit gt This command selects the EVM unit Parameters lt Unit gt DB PCT DB EVM results returned in dB PCT EVM results returned in RST PCT Example UNIT EVM PCT EVM results to be returned in Status Reporting System LTE Measurements The status reporting system stores information about the current state of the R amp S FSQ This includes for example information about errors during operation or information about limit checks The R amp S FSQ stores this information in the status registers and in the error queue You can query the status register and error queue via IEC bus The R amp S FSQ structures the information hierarchically with the Status Byte register STB and the S
124. llation Diagram sese 57 Constellation Measurements sse 57 Constellation Selection eeesseeesee 58 EVM Measurements coocccccnncccccccccncononconnconononononinoninos 49 EVM VS Carrier eee 49 EVM vs Subframe rrrrnennnnonnnnnonnnnrn ceeeeeeeeeeseeeeeaeeeeeaees 51 EVM vs Symbol rtt ttr danes 50 Frequency Error vs Symbol rarennnrevannvennerennrrnnnnenn 50 Frequency Sweep Measurements 52 A een bs 48 UO Measurements ccecccececeeeceeeeeeeeeeeceeteeeteeenes 54 Miscellaneous Measurements 59 Power Spectrum 54 Power vs Resource Block PDSCH 55 Power vs Resource Block HR 55 Result Summary eese nennen 46 Spectrum Emission Mask 52 Statistical Measurements seeeeeeeese 59 Result Summary 2 rtr nn teens 46 RF Attenuation cooccocccccccnconcoccocnconononnconcnnonnnnononncnnnnnnnanos 26 S Scrambling of coded bits oocccccccccnncccconncnnccnconncnnononos 31 Screen Layout ENEE ninisi niaren stna inaari 17 Selected Subframe rarnnnnnennnnnnnnnnnnrnannnennnnnnanenanennunnnnnenn 35 Setting P S SYNC Tx antenna occocccccccncnccnconononcnncnonnonnannon 39 Settings Teo 24 hi RTT EE UP E O E E EE 35 Auto PDSCH Demod seem 31 User Manual 1173 0620 42 04 BA
125. lt unit deg Example FETC SUMM QUAD Returns the current mean quadrature error in degrees Usage Query only FETCh SUMMary RSTP MAXimum FETCh SUMMary RSTP MINimum FETCh SUMMary RSTP AVERage This command queries the reference signal transmit power RSTP User Manual 1173 0620 42 04 93 R amp S FSQ K100 K102 K104 Remote Control FETCh Subsystem Return values lt RSTP gt lt numeric value gt Minimum maximum or average OSTP depending on the last command syntax element Default unit dBm Example FETC SUMM RSTP Returns the current average RSTP value Usage Query only FETCh SUMMary SERRor MAXimum FETCh SUMMary SERRor MINimum FETCh SUMMary SERRor AVERage This command queries the sampling error Return values lt SamplingError gt lt numeric value gt Minimum maximum or average sampling error depending on the last command syntax element Default unit ppm Example FETC SUMM SERR Returns the current mean sampling error in ppm Usage Query only FETCh SUMMary TAE lt antenna gt This command queries the time alignment error Suffix lt antenna gt 2 4 Number of the antenna you want to compare to antenna 1 Return values lt TimeAlignError gt Time alignment error of antenna 1 and another antenna Usage Query only FETCh SUMMary TFRame This command queries the trigger to frame result for downlink signals and the trigger to subframe result for uplink signals
126. lts B EVM vs Carrier 1 54 MHzidiv Fig 6 1 Example Marker The MKR key opens the corresponding submenu You can activate the marker with the Marker 1 softkey After pressing the Marker 1 softkey you can set the position of the marker in the marker dialog box by entering a frequency value You can also shift the marker position by turning the rotary knob The current marker frequency and the corre sponding level is displayed in the upper right corner of the trace display The Marker 1 softkey has three possible states If the Marker 1 softkey is grey the marker is off NARKER 1 After pressing the Marker 1 softkey it turns red to indicate an open dialog box and the the marker is active The dialog box to specify the marker position on the frequency axis opens Lal Marker Frequency After closing the dialog box the Marker 1 softkey turns green The marker stays active Bec Pressing the Marker 1 softkey again deactivates the marker You can also turn off the marker by pressing the Marker Off softkey If you d like to see the area of the spectrum around the marker in more detail you can use the Marker Zoom function Press the Marker Zoom softkey to open a dialog box in User Manual 1173 0620 42 04 62 R amp S9FSQ K100 K102 K104 Using the Marker which you can specify the zoom factor The maximum possible zoom factor depends on the result display The Unzoom softkey cancel
127. ment Therefore it is not possible to to run an IQ measurement and then view the results in the frequency sweep measurements and vice versa Also because each ofthe frequency sweep measurement use different settings to obtain signal data it is not possible to run a frequency sweep measurement and view the results in another frequency sweep measurement The ACLR and SEM measurements are available if RF input is selected Spectrum Emission Mask Starts the Spectrum Emission Mask SEM result display The Spectrum Emission Mask measurement shows the quality of the measured signal by comparing the power values in the frequency range near the carrier against a spectral mask that is defined by the 3GPP specifications In this way you can test the performance of the DUT and identify the emissions and their distance to the limit In the diagram the SEM is represented by a red line If any measured power levels are above that limit line the test fails If all power levels are inside the specified limits the test is passed The R amp S FSQ puts a label to the limit line to indicate whether the limit check passed or failed The x axis represents the frequency with a frequency span that relates to the specified EUTRA LTE channel bandwidths On the y axis the power is plotted in dBm B Spectrum Emission Mask Category Category SWT 20 00 ms Detector RMS TER TURA kl tet OO COTES ate PEUT T ha Pee ER L1 982 50 MHz 3 50 MHzidiv 1017 50 MHz
128. ment path After having decided the data symbols in the reference path an additional phase tracking can be utilized to refine the CPE estimation Channel Estimation Equalization As shown in figure 8 2 there is one coarse and one fine channel estimation block The reference signal based coarse estimation is tapped behind the CFO compensation block SFO compensation can optionally be enabled of the reference path The coarse esti mation block uses reference signal symbols to determine estimates of the channel trans fer function by interpolation in both time and frequency direction A special channel esti mation as defined in 3 is additionally generated The coarse estimation results are used to equalize the samples of the reference path prior to symbol decision Based on the decided data symbols a fine channel estimation is optimally performed and then used to equalize the partially compensated samples of the measurement path Analysis The analysis block of the EUTRA LTE downlink measurement application allows you to compute a variety of measurement variables EVM The error vector magnitude EVM measurement results EVM PDSCH QPSK 16 QAM 64 QAM are calculated according to the specification in 3 All other EVM measurement results are calculated according to User Manual 1173 0620 42 04 69 R amp S FSQ K100 K102 K104 Further Information El Measurements in Detail 8 2 on subcarrier k at OFDM symbol I
129. mmand moves a marker to a particular coordinate on the x axis If necessary the command activates the marker Parameters Position Numeric value that defines the marker position on the x axis The unit depends on the result display Range The range depends on the current span Example CALC MARK2 X 1 7MHz Positions marker 2 to frequency 1 7 MHz CALCulate lt n gt MARKer lt m gt Y This command queries the position of a marker on the y axis If necessary the command activates the marker first To get a valid result you have to perform a complete measurement with synchronization to the end of the measurement before reading out the result This is only possible for single sweeps Return values Result Position of the marker Example INIT CONT OFF Switches to single measurement mode CALC MARK2 ON Switches marker 2 INIT WAI Starts a measurement and waits for the end CALC MARK2 Y Outputs the measured value of marker 2 Usage Query only User Manual 1173 0620 42 04 75 CONFigure Subsystem 9 3 CONFigure Subsystem CONFigure LTE DL BW c cecceccecececseccecceceecessccecceccecesaesecsersacecesaceaecareeteasessetaeeeseereaee 76 CONFigure AR Le 0 uci rait pado Cx cm nde E Ea e T1 FE ee ER ele T1 HOT PL TE POL PEDI EE TT Ft SENGS SE ds a CORI erie TEE AECH Sue Ee EE Meer Eet Eeer Eet enerne Sa inicie Ge a dicet 78 seg EEE 0 EE 78 SNF LTE PL ra EE 78 KF LTE MFR POWO A I PA 79 CONFi
130. n Filter by modulation scheme e Allocation Filter by allocation ID e Symbol Filter by OFDM symbol e Carrier Filter by subcarrier e Location Selects whether the R amp S FSQ generates the constellation diagram before or after the MIMO decoder If you use Spatial Multiplexing symbols of different encoding schemes are merged in the MIMO encoder Thus you get a mix of different modulation alphabets Filter these symbols in the field Modulation with the value MIXTURE You get the mixed symbols only if Location is set to Before MIMO decoder If the location is After MIMO Decoder filters Symbol and Carrier are not availa ble User Manual 1173 0620 42 04 58 R amp S9FSQ K100 K102 K104 Result Displays E Statistical and Miscellaneous Results Evaluation Filter Modulation Allocation ALL Symbol Carrier Location After MIMO Decoder 5 6 Statistical and Miscellaneous Results CCDF Starts the Complementary Cumulative Distribution Function CCDF result display This result display shows the probability of an amplitude exceeding the mean power For the measurement the complete capture buffer is used The x axis represents the power relative to the measured mean power On the y axis the probability is plotted in 96 B CCDF 16 2 dBidiv SCPI command CALCulate lt screenid gt FEED STAT CCDF Allocation Summary Starts the Allocation Summary result display This result display shows th
131. n Auto Demodulation on the appplication automatically determines the sub frame configuration for the PDSCH In the default state automatic configuration is on User Manual 1173 0620 42 04 35 R amp S9FSQ K100 K102 K104 Configuring Measurements GH Demodulation Settings for Downlink Measurements DL Demod eae DL Adv Sig Config POSCH Subframe Configuration Configurable Subframes 1 Selected Subframe D Used Allocations E Error in Subframes Every LTE frame FDD and TDD contains 10 subframes Each downlink subframe con sists of one or more resource allocations The R amp S FSQ shows the contents for each subframe in the configuration table In the configuration table each row corresponds to one allocation ID Code Madulation Mumber Offset Rho A Canfl M RHMTI Word of RB RB Power de b wes f je be 0 Dies E po p al z jes kk pe o mles E E pe 10000 e mes pf pe sd s mles p fe pe If there are any errors or conflicts between allocations in one or more subframes the R amp S FSQ shows the number of errors and the number of the corrupt subframe in the Error in Subframes field It does not show the kind of error Before you start to work on the contents of each subframe you should define the number of subframes you want to customize with the Configurable Subframes parameter The application supports the configuration of up to 40 subframes Then you can select a particular subframe that you
132. n electric shock fire and or serious personal injury or death Applicable local or national safety regulations and rules for the prevention of accidents must be observed in all work performed 1 Unless otherwise specified the following requirements apply to Rohde amp Schwarz products predefined operating position is always with the housing floor facing down IP protection 2X pollution severity 2 overvoltage category 2 use only indoors max operating altitude 2000 m above sea level max transport altitude 4500 m above sea level A tolerance of 10 96 shall apply to the nominal voltage and 5 to the nominal frequency N Do not place the product on surfaces vehicles cabinets or tables that for reasons of weight or stability are unsuitable for this purpose Always follow the manufacturer s installation instructions when installing the product and fastening it to objects or structures e g walls and shelves An installation that is not carried out as described in the product documentation could result in personal injury or death p Do not place the product on heat generating devices such as radiators or fan heaters The ambient temperature must not exceed the maximum temperature specified in the product documentation or in the data sheet Product overheating can cause electric shock fire and or serious personal injury or death 1171 0000 42 05 00 Page 2 Basic Safety Instructions Electrical safety If the information on elect
133. nd pay special attention to the section titled Waste disposal item 1 Depending on the function certain products such as RF radio equipment can produce an elevated level of electromagnetic radiation Considering that unborn babies require increased protection pregnant women must be protected by appropriate measures Persons with pacemakers may also be exposed to risks from electromagnetic radiation The employer operator must evaluate workplaces where there is a special risk of exposure to radiation and if necessary take measures to avert the potential danger Should a fire occur the product may release hazardous substances gases fluids etc that can cause health problems Therefore suitable measures must be taken e g protective masks and protective clothing must be worn If a laser product e g a CD DVD drive is integrated into a Rohde amp Schwarz product absolutely no other settings or functions may be used as described in the product documentation The objective is to prevent personal injury e g due to laser beams 1171 0000 42 05 00 Page 4 Basic Safety Instructions Repair and service 1 The product may be opened only by authorized specially trained personnel Before any work is performed on the product or before the product is opened it must be disconnected from the AC supply network Otherwise personnel will be exposed to the risk of an electric shock Adjustments replacement of parts maintenance and repai
134. ng the most modern methods available This product was developed manufactured and tested in compliance with our quality management system stan dards The Rohde amp Schwarz quality management system is certified according to standards such as ISO 9001 and ISO 14001 Environmental commitment 1 Energy efficient products 1 Continuous improvement in environmental sustainability 1150 14001 certified environmental management system Certified Quality System ISO 9001 Certified Environmental System ISO 14001 Cher client Vous avez choisi d acheter un pro duit Rohde amp Schwarz Vous disposez donc d un produit fabriqu d apr s les m thodes les plus avanc es Le d ve loppement la fabrication et les tests respectent nos normes de gestion qualit Le syst me de gestion qualit de Rohde amp Schwarz a t homologu entre autres conform ment aux nor mes ISO 9001 et ISO 14001 Engagement cologique 1 Produits efficience nerg tique 1 Am lioration continue de la durabilit environnementale 1 Syst me de gestion de l environne ment certifi selon ISO 14001 1171 0200 11 V 04 01 Customer Support Technical support where and when you need it For quick expert help with any Rohde amp Schwarz equipment contact one of our Customer Support Centers A team of highly qualified engineers provides telephone support and will work with you to find a solution to your query on any aspect of the
135. nos 25 Level Settings coooncccccconcconcooconnnconononancnncnnnarenonnos 21 LOW PASS M 28 MIMO Configuration oonccccooccncconcnnoncconcnnononcnnnnoncnnnos 29 multicarrier filter esses 32 number of groups rrrnnrrrnrnnrvrrnnnrenavnnnsrrennnnerennnnenennnn 41 Number of PDCCH rrrnnnnnnnnrrnnnnnnnavnnnnnnnnnnnnnnnennnnnene 42 Number of RR 20 PBCH relative power esee 40 PCFICH relative power eese 40 PDCCH format sees enne nenne 42 PDSCH reference data 32 PDSCH subframe detection suusssse 31 FS 32 EA O m 41 PHICH relative power eese 41 PRB symbol offset ooccccoccccocccocccncononacononononnncnnos 38 present eege 40 PP T A EA 45 P SYNC relative power sees 39 Ref Level 21 25 relative power eene 39 KE A 42 iuf 26 Scrambling of coded bits c oocccoononconcncnoconncnnnns 31 Selected Subframe rrrnnnnnnnnnnnnnnnnanrnnnnnnnernnnnennennnnnn 35 Signal Characteristics esses 19 sel M 25 S SYNC relative power esses 39 Standard A annara RENAE RR UREE RENREN ENRRRREEE 19 Swap IO 24 TDDmSi EIMi eene 41 TDD UL DL Allocations eeeeeeeeeeees 34 ES S 33 TNT M 23 125 R amp S9FSQ K100 K102 K104 Index Trigger Mode RE 23 Trigger Offset cccccsescecesseeeeeeeeeeeseeeeeesseeessaaeeess 24
136. ny operating mode You can read out the register with STATus QUEStionable LIMit EVENt or STATus QUEStionable LIMit CONDition For more information see the manual of the base unit Table 9 1 Meaning of the bits used in the STATus QUEStionable LIMit register LIMit 1 FAIL This bit is set if limit line 1 is violated LIMit 2 FAIL This bit is set if limit line 2 is violated LIMit 3 FAIL This bit is set if limit line 3 is violated 3 LIMit 4 FAIL This bit is set if limit line 4 is violated LIMit 5 FAIL This bit is set if limit line 5 is violated LIMit 6 FAIL This bit is set if limit line 6 is violated LIMit 7 FAIL This bit is set if limit line 7 is violated LIMit 8 FAIL This bit is set if limit line 8 is violated This bit is always 0 9 15 2 STATus QUEStionable SYNC Register The STATus QUEStionable S YNC register contains information about the synchroniza tion of the R amp S FSQ to the signal You can read out the register with STATus QUEStionable SYNC EVENt Or STATus QUEStionable SYNC CONDition For more information see the manual of the base unit User Manual 1173 0620 42 04 119 R amp S9FSQ K100 K102 K104 Remote Control Status Reporting System LTE Measurements Table 9 2 Meaning of the bits used in the STATus QUEStionable LIMit register LTE Configured Frame Not Found This bit is set if the application could not find the configured frame Only possible with uplink me
137. on of an OFDM Signal In practice the OFDM signal can be generated using the inverse fast Fourier transform IFFT digital signal processing The IFFT converts a number N of complex data symbols used as frequency domain bins into the time domain signal Such an N point IFFT is illustrated in figure 2 2 where a mN n refers to the n subchannel modulated data symbol during the time period mT lt t lt m 1 T User Manual 1173 0620 42 04 8 R amp S FSQ K100 K102 K104 Introduction EUTRA LTE MT m 1 T time a mN 0 a mN 1 a mN 2 frequency Fig 2 2 OFDM useful symbol generation using an IFFT The vector s is defined as the useful OFDM symbol It is the time superposition of the N narrowband modulated subcarriers Therefore from a parallel stream of N sources of data each one independently modulated a waveform composed of N orthogonal sub carriers is obtained with each subcarrier having the shape of a frequency sinc function see figure 2 1 figure 2 3 illustrates the mapping from a serial stream of QAM symbols to N parallel streams used as frequency domain bins for the IFFT The N point time domain blocks obtained from the IFFT are then serialized to create a time domain signal Not shown in figure 2 3 is the process of cyclic prefix insertion Q AM symbol rate NT symbols sec Source T M adulator Fig 2 3 OFDM Signal Generation Chain In contrast to an OFDM transmission scheme O
138. onanonnnoos 38 Present PBCH occcooccnconcoconncononacnnnnonncnnoncnnonarnconaranonanos 40 Present POFIGPD scsi p ette ean nemnde 40 Printer Settings oocccccocccnccocccnnnnconnncncnonaronnononronnnnanonos 45 PRINT Key Ae T 45 P SYNC Relative Power occcoccccocccoccccoconccncnnonnnoncononcnnnons 39 R Reference level 21 25 Relative power PBCH sese 40 Relative Power PCFICH ssssssssesssnssnenrressrrrresnnreesereene 40 Relative Power PDCCH s nsssssssnnssssrnenerresnrrsrrresrrrserene 42 Relative power PHICH occoooncccccccncoconocononnncononacononanoss 41 Relative power P SYNC rrrrnnnnrnnnnnnrnenavnrnrrernnnrrrennnnsne 39 Relative power reference signal 39 Relative power S SYNC cccccsseeeeeeeceeeeeeeeaeeeeeeneeeees 39 Relative Power S SYNG rrnnrnnnrnrnnrnnrnavrvrnnrnnrrernnnnnsnnen 40 Resource Blocks coocccocccocccocncocccoconconncncnnonoconncanncnnnnonnns 20 Result Display Adjacent Channel Leakage Ration ACLR 53 Allocation Summary se esee 59 Bit Stream ricino pol ea dae b iiis VC 60 Capture Memory eeesseseeeeennnenn enn 48 ss M M 59 Channel Flatness ooccoocccocncocncoconcconnconononononncnononons 56 Channel Flatness Difference 57 Channel Group Delay eese 56 Conste
139. ons in the product documentation The improper disposal of hazardous substances or fuels can cause health problems and lead to environmental damage Informaciones elementales de seguridad Es imprescindible leer y observar las siguientes instrucciones e informaciones de seguridad El principio del grupo de empresas Rohde amp Schwarz consiste en tener nuestros productos siempre al d a con los est ndares de seguridad y de ofrecer a nuestros clientes el m ximo grado de seguridad Nuestros productos y todos los equipos adicionales son siempre fabricados y examinados seg n las normas de seguridad vigentes Nuestro sistema de garant a de calidad controla constantemente que sean cumplidas estas normas El presente producto ha sido fabricado y examinado segun el certificado de conformidad adjunto de la UE y ha salido de nuestra planta en estado impecable segun los est ndares t cnicos de seguridad Para poder preservar este estado y garantizar un funcionamiento libre de peligros el usuario deber atenerse a todas las indicaciones informaciones de seguridad y notas de alerta El grupo de empresas Rohde amp Schwarz est siempre a su disposici n en caso de que tengan preguntas referentes a estas informaciones de seguridad Adem s queda en la responsabilidad del usuario utilizar el producto en la forma debida Este producto est destinado exclusivamente al uso en la industria y el laboratorio o si ha sido expresamente autorizado para aplicacione
140. operation programming or applications of Rohde amp Schwarz equipment Up to date information and upgrades To keep your instrument up to date and to be informed about new application notes related to your instrument please send an e mail to the Customer Support Center stating your instrument and your wish We will take care that you will get the right information Europe Africa Middle East Phone 49 89 4129 12345 customersupport rohde schwarz com North America Phone 1 888 TEST RSA 1 888 837 8772 customer support rsa rohde schwarz com Latin America Phone 1 410 910 7988 customersupport la rohde schwarz com Asia Pacific Phone 6565 13 04 88 customersupport asia rohde schwarz com ROHDE amp SCHWARZ 1171 0200 22 05 00 R amp S FSQ K100 K102 K104 Contents 1 Typographical Conventions eere eene nnn 5 2 lg ii go CU CON E 6 Za WK ERR ER EN KE 6 2 2 EUTRA LTE Test amp Measurement Assumption made by Rohde amp Schwarz 13 2 3 Performing Time Alignment Measurements 1 eeeeeeee eene 14 3 Screen LNU 17 4 Configuring MeasurementS nnnnnnnvnnnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnunnnnen 19 41 General dl e i EO Umm 19 4 2 Demodulation Settings for Downlink Measurements 30 4 3 Measurement de sin dali noian iaia
141. ource elements of the PDSCH with a 16QAM modulation Return values lt EVM gt lt numeric value gt EVM in or dB depending on the unit you have set Example FETC SUMM EVM DSST Returns the PDSCH 16QAM EVM Usage Query only FETCh SUMMary EVM PCHannel MAXimum FETCh SUMMary EVM PCHannel MINimum FETCh SUMMary EVM PCHannel AVERage This command queries the EVM of all physical channel resource elements Return values lt EVM gt lt numeric value gt Minimum maximum or average EVM depending on the last com mand syntax element The unit is or dB depending on your selection Example FETC SUMM EVM PCH MAX Returns the maximum value FETC SUMM EVM DCH MIN Returns the minimum value FETC SUMM EVM PCH Returns the mean value Usage Query only User Manual 1173 0620 42 04 90 R amp S FSQ K100 K102 K104 Remote Control FETCh Subsystem FETCh SUMMary EVM PSIGnal MAXimum FETCh SUMMary EVM PSIGnal MINimum FETCh SUMMary EVM PSIGnal AVERage This command queries the EVM of all physical signal resource elements Return values lt EVM gt lt numeric value gt Minimum maximum or average EVM depending on the last com mand syntax element The unit is or dB depending on your selection Example FETC SUMM EVM PSIG MAX Returns the maximum value FETC SUMM EVM PSIG MIN Returns the minimum value FETC SUMM EVM PSIG Returns the mean value Usage Query only FETCh
142. p cells and batteries out of the hands of children If a cell or a battery has been swallowed seek medical aid immediately Cells and batteries must not be exposed to any mechanical shocks that are stronger than permitted If a cell develops a leak the fluid must not be allowed to come into contact with the skin or eyes If contact occurs wash the affected area with plenty of water and seek medical aid Improperly replacing or charging cells or batteries that contain alkaline electrolytes e g lithium cells can cause explosions Replace cells or batteries only with the matching Rohde amp Schwarz type see parts list in order to ensure the safety of the product Cells and batteries must be recycled and kept separate from residual waste Rechargeable batteries and normal batteries that contain lead mercury or cadmium are hazardous waste Observe the national regulations regarding waste disposal and recycling Transport 1 The product may be very heavy Therefore the product must be handled with care In some cases the user may require a suitable means of lifting or moving the product e g with a lift truck to avoid back or other physical injuries 1171 0000 42 05 00 Page 5 Informaciones elementales de seguridad 2 Handles on the products are designed exclusively to enable personnel to transport the product It is therefore not permissible to use handles to fasten the product to or on transport equipment such as cranes fork l
143. por el fabricante respecto a los estados operativos y posiciones de funcionamiento sin que se obstruya la ventilaci n Si no se siguen las indicaciones del fabricante pueden producirse choques el ctricos incendios y o lesiones graves con posible consecuencia de muerte En todos los trabajos deber n ser tenidas en cuenta las normas nacionales y locales de seguridad del trabajo y de prevenci n de accidentes 1 Sino se convino de otra manera es para los productos Rohde amp Schwarz v lido lo que sigue como posici n de funcionamiento se define por principio la posici n con el suelo de la caja para abajo modo de protecci n IP 2X grado de suciedad 2 categor a de sobrecarga el ctrica 2 uso solamente en estancias interiores utilizaci n hasta 2000 m sobre el nivel del mar transporte hasta 4500 m sobre el nivel del mar Se aplicar una tolerancia de 10 96 sobre el voltaje nominal y de 5 sobre la frecuencia nominal N No situe el producto encima de superficies veh culos estantes o mesas que por sus caracter sticas de peso o de estabilidad no sean aptos para l Siga siempre las instrucciones de instalaci n del fabricante cuando instale y asegure el producto en objetos o estructuras p ej paredes y estantes Si se realiza la instalaci n de modo distinto al indicado en la documentaci n del producto pueden causarse lesiones o incluso la muerte SS No ponga el producto sobre aparatos que generen calor p ej radiadores o
144. r dvd 48 General Settings oocccocncnccoccncoocononoconnnnconononnannnnnncnos 19 C H Capture Memory cooncccccnoccnncnnnncnnnonancnncnnononcnnnnnnncnnnnonanennnnos 48 NT 22 COPY Key EE 45 COD ee 59 Header Table senes 18 o e ost oareencnese ea aetoeeseneetn os 35 High Dynamic ENEE 21 Cell Identity Group ses eem 35 Channel Bandwidth sssst 20 Channel Estimation ooccccocccncccccnnccononnnncnonononononnconannnnns 30 Channel Flatness nu annan 56 IC Input OTT 27 EE EE EEGENEN 57 UO Measurements c occcncccncccnnncnncnnncncncononnnnnnnnnonnnnnnnnnninons 54 Channel Group Delay ENE 56 Q Path CARACAS A RERO ERU CREER ERRARE RR TE ARA 28 Configurable STU aM fj 35 UO settings M E 24 Configuration MIMO eeeeee nentes 29 Identity Physical Layer 35 Configuration Table eee 35 Input Settings ooocccconccnccnncnnonncnncnnoncnnnnnncnnonncncnnnnnnnnnoos 25 Constellation Diagram eee 57 Input Source eeesssssssseseeee enne nnne ns 25 Constellation Selection nmmmmu 58 Interface csssssseseem HH HI mmm meme rennen erre renes 17 D K Data Capture Settings austero 22 key DeSMOCUlAtiON lee 30 MODE remote control En 99 Dialog Key Advanced Wn 24 HCOPY nnnnnnannansnnnnsnsnnsnsnnsnnnnnnnnannnnnnannnnnnnnnnnsnnnnnnsnnnnnnnnn 45 DL Adv Sig Config Dialog Wu 38 MKR Se 62 DE GIAO ee eects eect M i tum cane 30 PR
145. r may be performed only by electrical experts authorized by Rohde amp Schwarz Only original parts may be used for replacing parts relevant to safety e g power switches power transformers fuses A safety test must always be performed after parts relevant to safety have been replaced visual inspection PE conductor test insulation resistance measurement leakage current measurement functional test This helps ensure the continued safety of the product Batteries and rechargeable batteries cells If the information regarding batteries and rechargeable batteries cells is not observed either at all or to the extent necessary product users may be exposed to the risk of explosions fire and or serious personal injury and in some cases death Batteries and rechargeable batteries with alkaline electrolytes e g lithium cells must be handled in accordance with the EN 62133 standard 1 2 Cells must not be taken apart or crushed Cells or batteries must not be exposed to heat or fire Storage in direct sunlight must be avoided Keep cells and batteries clean and dry Clean soiled connectors using a dry clean cloth Cells or batteries must not be short circuited Cells or batteries must not be stored in a box or in a drawer where they can short circuit each other or where they can be short circuited by other conductive materials Cells and batteries must not be removed from their original packaging until they are ready to be used Kee
146. r thoroughly trained personnel with the required skills be allowed to use the product If personal safety gear is required for using Rohde amp Schwarz products this will be indicated at the appropriate place in the product documentation Keep the basic safety instructions and the product documentation in a safe place and pass them on to the subsequent users Observing the safety instructions will help prevent personal injury or damage of any kind caused by dangerous situations Therefore carefully read through and adhere to the following safety instructions before and when using the product It is also absolutely essential to observe the additional safety instructions on personal safety for example that appear in relevant parts of the product documentation In these safety instructions the word product refers to all merchandise sold and distributed by the Rohde amp ochwarz group of companies including instruments systems and all accessories Symbols and safety labels Notice general Caution Danger of Warning PE terminal Ground Ground Be careful when danger location when electric Hot surface terminal handling handling electrostatic heavy sensitive equipment devices Observe product documentation ON OFF supply Standby Direct current Alternating current Direct alternating Device fully protected by voltage indication DC AC current DC AC double reinforced insulation 1171 0000 42 05 00 Page 1 Basic Safety Instructions
147. rdless of the signal power Mea surement results may deteriorate e g EVM This applies especially for measurements with more than one active channel near the one you are trying to measure 6 MHz Note that the signal level at the A D converter may be stronger than the level the R amp S FSQ displays depending on the current resolution bandwidth This is because the resolution bandwidths are implemented digitally after the A D converter User Manual 1173 0620 42 04 21 R amp S9FSQ K100 K102 K104 Configuring Measurements General Settings You can either specify the RF reference level in dBm or baseband reference level in V depending on the input sourcelnput Source You can also turn on automatic detection of the reference level with the Auto Level function If active the R amp S FSQ measures and sets the reference level to its ideal value before each sweep However measurement time will increase slightly Automatic level detection also optimizes RF attenuation SCPI command Manual CONFigure POWer EXPected RF analyzer on page 86 Automatic SENSe POWer AUTO lt analyzer gt STATe on page 106 External Attenuation Sets an external attenuation or gain If you attenuate or amplify the RF signal externally the R S FSQ adjusts the numeric and graphical results accordingly In case of graphical power result displays it moves the trace s vertically by the specified value Positive values correspon
148. re POWer EXPected RE anahyzerz 86 CONFigure LTE DL BW Bandwidth This command selects the downlink bandwidth Parameters Bandwidth BW1 40 BW3 00 BW5 00 BW10 00 BW15 00 BW20 00 RST BW10 00 R amp S FSQ K100 K102 K104 Remote Control CONFigure Subsystem Example CONF DL BW BW1 40 Sets a signal bandwidth of 1 4 MHz in downlink CONFigure LTE DL CONS LOCation lt ConstLoc gt This command selects the data source of the constellation diagram for measurements on downlink signals Parameters lt ConstLoc gt AMD After the MIMO decoder BMD Before the MIMO decoder RST BMD Example CONF DL CONS LOC AMD Use data from after the MIMO decoder CONFigure LTE DL CSUBframes lt NofSubframes gt This command selects the number of configurable subframes in the downlink signal Parameters lt NofSubframes gt Range 0 to 39 RST 1 Example CONF DL CSUB 5 Sets the number of configurable subframes to 5 CONFigure LTE DL CYCPrefix lt PrefixLength gt This command selects the cyclic prefix for downlink signals Parameters lt PrefixLength gt NORM Normal cyclic prefix length EXT Extended cyclic prefix length AUTO Automatic cyclic prefix length detection RST AUTO Example CONFSDDESCYCE EXT Sets cyclic prefix type to extended CONFigure LTE DL MIMO ASELection lt AntennalD gt This command selects the antenna for measurements with MIMO setups User Manual 1173 0620 42
149. rence in the measured center frequency and the reference center frequency FETCh SUMMary FERRor AVERage on page 91 e Sampling Error Shows the difference in measured symbol clock and reference symbol clock relative to the system sampling rate FETCh SUMMary SERRor AVERage on page 94 e UO Offset Shows the power at spectral line O normalized to the total transmitted power FETCh SUMMary IQOFfset AVERage on page 92 e Q Gain Imbalance Shows the logarithm of the gain ratio of the Q channel to the I channel FETCh SUMMary GIMBalance AVERage on page 92 e Q Quadrature Error User Manual 1173 0620 42 04 47 R amp S9FSQ K100 K102 K104 Result Displays Power vs Time Result Displays Shows the measure of the phase angle between Q channel and l channel deviating from the ideal 90 degrees FETCh SUMMary QUADerror AVERage on page 93 e RSTP Shows the reference signal transmit power as defined in 3GPP TS 36 141 FETCh SUMMary RSTP AVERage on page 93 e OSTP Shows the OFDM symbol transmit power as defined in 3GPP TS 36 141 FETCh SUMMary OSTP AVERage on page 92 e Power Shows the average time domain power of the analyzed signal FETCh SUMMary POWer AVERage on page 93 e Crest Factor Shows the peak to average power ratio of captured signal FETCh SUMMary CRESt AVERage on page 89 5 2 Power vs Time Result Displays This chapter contains information on LTE result displays that show the power of the signal over time C
150. ression of interference of neighboring carriers on and off e g LTE WCDMA GSM etc SCPI command SENSe LTE DL DEMod MCFilter on page 103 4 2 1 2 Tracking CIERTA DL Frame Config DL Adv Sig Config Tracking Phase Off Timing E Phase Specifies whether or not the measurement results should be compensated for common phase error When phase compensation is used the measurement results will be com pensated for phase error on a per symbol basis e Off Phase tracking is not applied e Pilot only User Manual 1173 0620 42 04 32 4 2 1 3 4 2 2 4 2 2 1 Demodulation Settings for Downlink Measurements Only the reference signal is used e Pilot and Payload Both reference signal and payload resource elements are used SCPI command SENSe LTE DL TRACking PHASe on page 104 Timing opecifies whether or not the measurement results should be compensated for timing error When timing compensation is used the measurement results will be compensated for timing error on a per symbol basis SCPI command SENSe LTE DL TRACking TIME on page 104 MIMO Settings DL Demod Compensate Crosstalk Specifies if crosstalk produced by the device under test will be compensated or not The crosstalk compensation must be activated for Time Alignment Error measurements SCPI command CONFigure LTE DL MIMO CROSstalk on page 78 DL Frame Config In the DL Frame Config tab you can set the st
151. rical safety is not observed either at all to the extent necessary electric shock fire and or serious personal injury or death may occur 1 Prior to switching on the product always ensure that the nominal voltage setting on the product matches the nominal voltage of the AC supply network If a different voltage is to be set the power fuse of the product may have to be changed accordingly 2 n the case of products of safety class with movable power cord and connector operation is permitted only on sockets with an earthing contact and protective earth connection 3 Intentionally breaking the protective earth connection either in the feed line or in the product itself is not permitted Doing so can result in the danger of an electric shock from the product If extension cords or connector strips are implemented they must be checked on a regular basis to ensure that they are safe to use 4 If the product does not have a power switch for disconnection from the AC supply network the plug of the connecting cable is regarded as the disconnecting device In such cases always ensure that the power plug is easily reachable and accessible at all times corresponding to the length of connecting cable approx 2 m Functional or electronic switches are not suitable for providing disconnection from the AC supply network If products without power switches are integrated into racks or systems a disconnecting device must be provided at the system
152. ricia ati ilatina 79 CGONFIGurer E TET DE PDOCCOCh NOP EE 80 CONEFiqure ETE DE PDC L9 E m 80 CONFourel TED PHiCh DUbRapnon 80 CGONFigurerL TEL DLE PHIGCh METM siehst ds pasan ht ume hn Ene Peta Ya Ex sin et R ER ax RUNE til 80 COhNFourel LTE D PHiChNGbarameter 81 COhNFourel LTE D PHiChNOGhoups 81 CONFigure LFEJIDLPHICH POWET Lunnan ta 81 CONFourel TED POTkClDGroup 82 ees EE PEPE PUD 82 GONFGUre LTE DLP S LI MERE 82 CONFIQureLETEEDEREFSIg PO Wes iaa 82 COhNFourel TED SUBtrame subiramez Al Coumt 83 COhNFourel TED SUBtrame subiramez Al Loc allocatonz POWer 83 COhNFourel TED SUBtrame subiramez Al Loc allocatonz HRBCount 83 COhNFourel TED SUBtrame subiramez Al Loc allocatonzHR Oktset 84 CONFigure LTE DL SUBFramessubframe ALLoc allocation CW cw MODulation 84 CONFourel LC TEIDLSNCANT enna 84 CONFigurel DN OK RUE d e e C 84 COhNFourel TED ShNCG GbOWer 85 CONFigurel LTE DE TDD NEE 85 COhNFourel TED TDD UDCGomt 85 CONFigure EVE DU PECKING M E 86 CONFig re TEL Dibechon n ena ia aa rE EEEa aa Eea aE anaia areia eaa aE ai 86 User Manual 1173 0620 42 04 121 R amp S FSQ K100 K102 K104 List of Commands BITS VM ee SET e 87 DISPlay WINDow lt n gt TRACes lt t gt Y SCALe RLEVel OFFSet
153. rizados por Rohde amp Schwarz Si se reponen partes con importancia para los aspectos de seguridad p ej el enchufe los transformadores o los fusibles solamente podr n ser sustituidos por partes originales Despu s de cada cambio de partes relevantes para la seguridad deber realizarse un control de seguridad control a primera vista control del conductor de protecci n medici n de resistencia de aislamiento medici n de la corriente de fuga control de funcionamiento Con esto queda garantizada la seguridad del producto Bater as y acumuladores o celdas Si no se siguen o se siguen de modo insuficiente las indicaciones en cuanto a las bater as y acumuladores o celdas pueden producirse explosiones incendios y o lesiones graves con posible consecuencia de muerte El manejo de bater as y acumuladores con electrolitos alcalinos p ej celdas de litio debe seguir el est ndar EN 62133 1 2 No deben desmontarse abrirse ni triturarse las celdas Las celdas o bater as no deben someterse a calor ni fuego Debe evitarse el almacenamiento a la luz directa del sol Las celdas y bater as deben mantenerse limpias y secas Limpiar las conexiones sucias con un pario seco y limpio Las celdas o bater as no deben cortocircuitarse Es peligroso almacenar las celdas o bater as en estuches o cajones en cuyo interior puedan cortocircuitarse por contacto rec proco o por contacto con otros materiales conductores No deben extraerse las c
154. rks Network synchronization Time synchronization of different network sites shall not be mandated User Manual 1173 0620 42 04 7 R amp S FSQ K100 K102 K104 Introduction EUTRA LTE 2 1 2 Long Term Evolution Downlink Transmission Scheme 2 1 2 1 OFDMA The downlink transmission scheme for EUTRA FDD and TDD modes is based on con ventional OFDM In an OFDM system the available spectrum is divided into multiple carriers called subcarriers which are orthogonal to each other Each of these subcarriers is independently modulated by a low rate data stream OFDM is used as well in WLAN WiMAX and broadcast technologies like DVB OFDM has several benefits including its robustness against multipath fading and its efficient receiver architecture figure 2 1 shows a representation of an OFDM signal taken from 3GPP TR 25 892 2 In this figure a signal with 5 MHz bandwidth is shown but the principle is of course the same for the other EUTRA bandwidths Data symbols are independently modulated and transmitted over a high number of closely spaced orthogonal subcarriers In EUTRA downlink modulation schemes QPSK 16QAM and 64QAM are available In the time domain a guard interval may be added to each symbol to combat inter OFDM symbol interference due to channel delay spread In EUTRA the guard interval is a cyclic prefix which is inserted prior to each OFDM symbol Frequency Time Fig 2 1 Frequency Time Representati
155. roductos como p ej las instalaciones de radiocomunicaci n RF pueden a causa de su funci n natural emitir una radiaci n electromagn tica aumentada Deben tomarse todas las medidas necesarias para la protecci n de las mujeres embarazadas Tambi n las personas con marcapasos pueden correr peligro a causa de la radiaci n electromagn tica El empresario operador tiene la obligaci n de evaluar y se alizar las reas de trabajo en las que exista un riesgo elevado de exposici n a radiaciones Tenga en cuenta que en caso de incendio pueden desprenderse del producto sustancias t xicas gases l quidos etc que pueden generar da os a la salud Por eso en caso de incendio deben usarse medidas adecuadas como p ej m scaras antig s e indumentaria de protecci n En caso de que un producto Rohde amp Schwarz contenga un producto l ser p ej un lector de CD DVD no debe usarse ninguna otra configuraci n o funci n aparte de las descritas en la documentaci n del producto a fin de evitar lesiones p ej debidas a irradiaci n l ser Reparaci n y mantenimiento 1 El producto solamente debe ser abierto por personal especializado con autorizaci n para ello Antes de manipular el producto o abrirlo es obligatorio desconectarlo de la tensi n de alimentaci n para evitar toda posibilidad de choque el ctrico El ajuste el cambio de partes el mantenimiento y la reparaci n deber n ser efectuadas solamente por electricistas auto
156. rther Information 8 1 Measurements in Detail This section provides a detailed explanation of the measurements provided by R amp S FSQ K100 K104 and provides help for using R amp S FSQ K100 K104 to measure the charac teristics of specific types of DUT receiver actual coarse estimate LR e TEN number of samples in cyclic prefix guard interval number of Nyquist samples number of subcarriers subchannel index subframe index noise sample common phase error received sample in the time domain Fijo Pio FK received sample uncompensated partially compen sated equalized in the frequency domain User Manual 1173 0620 42 04 66 R amp S FSQ K100 K102 K104 Further Information EE Measurements in Detail Introduction The following description provides a brief overview of the digital signal processing used in the R amp S FSQ s EUTRA LTE measurement application Between the received IF signal as the point of origin to the actual analysis results such as EVM the digital signal pro cessing can be divided into four major groups Data Capture synchronization E UTRA LTE downlink Channel estimation equalization dps q measurement application Analysis The remainder of this description is structured accordingly Signal Processing Data Capturing The block diagram in figure 8 1 shows the R amp S FSQ hardware from the IF section to the processor running the E UTRA LTE measurement application The se
157. ructure of the signal Configuring TDD Frames Note that you need firmware application R amp S FSQ K104 to perform measurements on TDD signals DL Frame Config Conf 0 DL SUL UL UL DL SUL UL UL Cont 0 R amp S9FSQ K100 K102 K104 Configuring Measurements SES Demodulation Settings for Downlink Measurements Configuring TDD Frames TDD frames contain both uplink and downlink information separated in time with every subframe being responsible for either uplink or downlink transmission The standard specifies several subframe configurations or resource allocations for TDD systems TDD UL DL Allocations Selects the configuration of the subframes in a radio frame in TDD systems The UL DL configuration or allocation defines the way each subframe is used for uplink downlink or if it is a special subframe The standard specifies seven different configura tions Subframe Number and Usage op 1 2 3 4 8 5 7 8 J 9 o Djs ujJujuj og s ju u ye v o pjs ujuj nj npg s jv ju p 2 PT Oeste yo ee sujo EE pojspu pujojopopoypolpo A ts TYP Oo oop e Jo s fufufufo s ful fulft U uplink D downlink S special subframe Conf of Special Subframe In combination with the cyclic prefix the special subframes serve as guard periods for switches from uplink to downlink They contain three parts or fields e DwPTS The DwPTS is the downlink part of the special subframe It is used to transmit down link dat
158. ry IQOFfset MINimum FETCh SUMMary IQOFfset AVERage This command queries the l Q offset Return values QOffset numeric value Minimum maximum or average l Q offset depending on the last command syntax element Default unit dB Example FETC SUMM IQOF Returns the current IQ offset in dB Usage Query only FETCh SUMMary OSTP MAXimum FETCh SUMMary OSTP MINimum FETCh SUMMary OSTP AVERage This command queries the OSTP User Manual 1173 0620 42 04 92 R amp S FSQ K100 K102 K104 Remote Control FETCh Subsystem Return values OSTP numeric value Minimum maximum or average OSTP depending on the last command syntax element Default unit dBm Example FETC SUMM OSTP Returns the current average OSTP value Usage Query only FETCh SUMMary POWer MAXimum FETCh SUMMary POWer MINimum FETCh SUMMary POWer AVERage This command queries the total power Return values lt Power gt lt numeric value gt Minimum maximum or average power depending on the last command syntax element Default unit dBm Example FETC SUMM POW Returns the total power in dBm Usage Query only FETCh SUMMary QUADerror MAXimum FETCh SUMMary QUADerror MINimum FETCh SUMMary QUADerror AVERage This command queries the quadrature error Return values lt QuadError gt lt numeric value gt Minimum maximum or average quadrature error depending on the last command syntax element Defau
159. s de campo y de ninguna manera deber ser utilizado de modo que alguna persona cosa pueda sufrir dario El uso del producto fuera de sus fines definidos o sin tener en cuenta las instrucciones del fabricante queda en la responsabilidad del usuario El fabricante no se hace en ninguna forma responsable de consecuencias a causa del mal uso del producto 1171 0000 42 05 00 Page 6 Informaciones elementales de seguridad Se parte del uso correcto del producto para los fines definidos si el producto es utilizado conforme a las indicaciones de la correspondiente documentaci n del producto y dentro del margen de rendimiento definido ver hoja de datos documentaci n informaciones de seguridad que siguen El uso del producto hace necesarios conocimientos t cnicos y ciertos conocimientos del idioma ingl s Por eso se debe tener en cuenta que el producto solo pueda ser operado por personal especializado o personas instruidas en profundidad con las capacidades correspondientes Si fuera necesaria indumentaria de seguridad para el uso de productos de Rohde amp Schwarz encontrar a la informaci n debida en la documentaci n del producto en el cap tulo correspondiente Guarde bien las informaciones de seguridad elementales as como la documentaci n del producto y entr guelas a usuarios posteriores Tener en cuenta las informaciones de seguridad sirve para evitar en lo posible lesiones o dafios por peligros de toda clase Por eso es imprescindible leer
160. s the marker zoom Note that the zoom function is not available for all result displays If you have more than one active trace it is possible to assign the marker to a specific trace Press the Marker gt Trace softkey in the marker to menu and specify the trace in the corresponding dialog box CALCulate lt n gt MARKer lt m gt STATe on page 74 CALCulate lt n gt MARKer lt m gt AOFF on page 74 CALCulate lt n gt MARKer lt m gt TRACe on page 75 CALCulate lt n gt MARKer lt m gt X on page 75 CALCulate lt n gt MARKer lt m gt Y on page 75 User Manual 1173 0620 42 04 63 R amp S FSQ K100 K102 K104 File Management File Manager 7 File Management 7 1 File Manager The root menu of the application includes a File Manager with limited functions for quick access to file management functionality Loading a Frame Setup The frame setup or frame description describes the complete modulation structure of the signal such as bandwidth modulation etc The frame setup is stored as an XML file XML files are very commonly used to describe hierarchical structures in an easy to read format for both humans and PC A typical frame setup file would look like this lt rxml version 1 0 encoding utt o gt FrameDaefinition LinkDirection downlink TODULDL AllocationtContfiguration 0 RessourceBlocks 50 CP auto RefSigSubcarrierOffset Auto PS YNCBoostingdB 0 Ss YNCBoostingdE 0 ReferencesignalBoos
161. spacing 7 5 kHz table 2 1 gives an overview of the different parameters for the generic frame structure Table 2 1 Parameters for Downlink Generic Frame Structure Configuration poner of Symbols Cyclic Prefix Cyclic Prefix Nera Length in Samples Length in us Normal cyclic prefix Af 15 kHz 160 for first symbol 5 2 us for first sym 144 for other sym bol bols 4 7 us for other sym bols Extended cyclic prefix Af 7 5 kHz 1024 33 3 us Downlink Data Transmission Data is allocated to the UEs in terms of resource blocks A physical resource block con sists of 12 24 consecutive subcarriers in the frequency domain for the Af 15 kHz Af 7 5 kHz case In the time domain a physical resource block consists of DL Neymp consecutive OFDM symbols see figure 2 5 sme is equal to the number of OFDM symbols in a slot The resource block size is the same for all bandwidths therefore the number of available physical resource blocks depends on the bandwidth Depending on the required data rate each UE can be assigned one or more resource blocks in each transmission time interval of 1 ms The scheduling decision is done in the base station eNodeB The user data is carried on the physical downlink shared channel PDSCH Downlink control signaling on the physical downlink control channel PDCCH is used to convey the scheduling decisions to individual UEs The PDCCH is located in the first OFDM symbols of a slot Downlink Reference Signal
162. t handover to and from UTRAN and GERAN as well as inter RAT measurements Interruption time for hand over between EUTRAN and UTRAN GERAN shall be less than 300 ms for realtime services and less than 500 ms for non realtime services Multimedia broadcast multicast services MBMS MBMS shall be further enhanced and is then referred to as E MBMS Costs Reduced CAPEX and OPEX including backhaul shall be achieved Costef fective migration from Release 6 UTRA radio interface and architecture shall be pos sible Reasonable system and terminal complexity cost and power consumption shall be ensured All the interfaces specified shall be open for multivendor equipment interoperability Mobility The system should be optimized for low mobile speed 0 to 15 km h but higher mobile speeds shall be supported as well including high speed train environ ment as a special case Spectrum allocation Operation in paired frequency division duplex FDD mode and unpaired spectrum time division duplex TDD mode is possible Co existence Co existence in the same geographical area and co location with GERAN UTRAN shall be ensured Also co existence between operators in adjacent bands as well as cross border co existence is a requirement Quality of Service End to end quality of service QoS shall be supported VolP should be supported with at least as good radio and backhaul efficiency and latency as voice traffic over the UMTS circuit switched netwo
163. th Prior to the analysis diverse synchronization and channel estimation tasks have to be accomplished Synchronization The first of the synchronization tasks is to estimate the OFDM symbol timing which coarsely estimates both timing and carrier frequency offset The frame synchronization block determines the position of the P S Sync symbol in time and frequency by using the coarse fractional frequency offset compensated capture buffer and the timing esti mate igoarse to position the window of the FFT If no P S Sync is available in the signal the reference signal is used for synchronization The fine timing block prior to the FFT allows a timing improvement and makes sure that the EVM window is centered on the measured cyclic prefix of the considered OFDM symbol For the 3GPP EVM calculation the block window produces three signals taken at the timing offsets Ac At and At For the reference path only the signal taken at the time offset Ac is used I C data frequency subcarrlar E ZE e de rart COSE timing CC synchronization estimation tr based on SCH bes reference path GOATSE channel est measurement path pilots fps E full je en se sation symbol mpensanon decision phase sync fine channel B phase sync pilot and t bol pilots data est symbols res CFO tracking user defined user defined equalizer analysis compensation r Lk Fi
164. tingdB U PBCHSymbolOffset 7 PECGHLength 4 PCFICHIsPresent false FHICHNumtGraups Dn PHICHDuration Normal PHICHBoostingdB 0 PDCCHIsPresent false PSSYNCRepetitionPerod 10 DataSymbolOffsetsubFrame 2 MIMOConfiguration 1 Tx Antenna MIMOAntennaselection Antenna 1 PhysLayCalllDGrpz Auto PhysLaylDz Auto RefSignalsGPPYersian 2 M c fastfarward D Frame T lt oubfrarme gt lt PRBs gt PRB Start 0 Length 6 Boosting 0 Modulation QPSK Precoding None Layers 1 Codebook 0 CDD D lt PRBs gt lt Subframe gt lt Frame gt lt stControl PhaseTracking 1 Timing racking 0 ChannelEstimation 1 EVMCalculationMethod 1 Enablescrambling 1 AutoDemodulation 1 gt lt FrameDefinition All settings that are available in the Demod Settings dialog box are also in the frame setup file You can enter additional allocations by adding additional PRB entries in the PRBs list Note that at least one PRB must exist To load a frame setup press the File Manager softkey in the root menu of the applica tion Select the file you want to load and activate it with the Load Demod Setup button Loading an UO File The R amp S FSQ is able to process Q data that has been captured with a R amp S FSQ directly as well as data stored in a file You can store UO data in various file formats in order to be able to process it with other external tools or for support purposes I Q data can
165. troduction EUTRA LTE 2 1 1 Requirements for UMTS Long Term Evolution LTE is focusing on optimum support of packet switched PS services Main requirements for the design of an LTE system are documented in 3GPP TR 25 913 1 and can be summarized as follows Data Rate Peak data rates target 100 Mbps downlink and 50 Mbps uplink for 20 MHz spectrum allocation assuming two receive antennas and one transmit antenna are at the terminal Throughput The target for downlink average user throughput per MHz is three to four times better than Release 6 The target for uplink average user throughput per MHz is two to three times better than Release 6 Spectrum efficiency The downlink target is three to four times better than Release 6 The uplink target is two to three times better than Release 6 Latency The one way transit time between a packet being available at the IP layer in either the UE or radio access network and the availability of this packet at IP layer in the radio access network UE shall be less than 5 ms Also C plane latency shall be reduced e g to allow fast transition times of less than 100 ms from camped state to active state Bandwidth Scaleable bandwidths of 5 MHz 10 MHz 15 MHz and 20 MHz shall be supported Also bandwidths smaller than 5 MHz shall be supported for more flexibility Interworking Interworking with existing UTRAN GERAN systems and non 3GPP systems shall be ensured Multimode terminals shall suppor
166. ts of 3 phys ical layer identities According to NZ 3 Nip Nip N cell identity group 0 167 NC physical layer identity 0 2 there is a total of 504 different cell IDs If you change one of these three parameters the R amp S FSQ automatically updates the other two For automatic detection of the cell ID turn the Auto function on Before it can establish a connection the user equipment must synchronize to the radio cell it is in For this purpose two synchronization signals are transmitted on the downlink These two signals are reference signals whose content is defined by the Physical Layer Identity and the Cell Identity Group The first signal is one of 3 possible Zadoff Chu sequences The sequence that is used is defined by the physical layer identity It is contained in the P SYNC The second signal is one of 168 unique sequences The sequence is defined by the cell identity group This sequence is contained in the S SYNC In addition to the synchronization information the cell ID also determines e the cyclic shifts for PCFICH PHICH and PDCCH mapping e the frequency shifts of the reference signal 4 2 2 3 Configuring PDSCH Subframes The application allows you to configure individual subframes that are used to carry the information of the PDSCH The PDSCH Physical Downlink Shared Channel primarily carries all general user data It therefore takes up most of the space in a radio frame If you tur
167. uld mean that the row corresponds to code word 1 out of 2 code words in the allocation User Manual 1173 0620 42 04 36 R amp S9FSQ K100 K102 K104 Configuring Measurements EE AA Demodulation Settings for Downlink Measurements e Modulation Selects the modulation scheme for the corresponding allocation The modulation scheme for the PDSCH is either QPSK 16QAM or 64QAM e Number of RB Sets the number of resource blocks the allocation covers The number of resource blocks defines the size or bandwidth of the allocation If you allocate too many resource blocks compared to the bandwidth you have set the R amp S FSQ will show an error message in the Conflicts column and the Error in Subframes field e Offset RB Sets the resource block at which the allocation begins A wrong offset for any allocation would lead to an overlap of allocations In that case the R amp S FSQ will show an error message e Power dB Sets the boosting of the allocation Boosting is the allocation s power relative to the reference signal power e Conflict If there is a conflict between allocations in the displayed subframe this column shows the type of conflict and the ID of the allocations that are affected Possible errors are bandwidth error BW A bandwidth error occurs when the number of resource blocks in the subframe exceeds the bandwidth you have set Number af Albcations 6 Subframe Bandwith 3 Mrz or 15 Resource Blocks
168. urement process e g running a measurement Title Bar and Status Bar The title bar at the very top of the screen shows the name of the application currently running EUTRA LTE 15 08 09 The status bar is located at the bottom of the display It shows the current measurement status and its progress in a running measurement The status bar also shows warning and error messages Error messages are generally highlighted User Manual 1173 0620 42 04 17 R amp S9FSQ K100 K102 K104 Screen Layout Display of Measurement Settings The header table above the result display shows information on hardware and measure ment settings Meas Setup UL FOC 50 RB 10 Hz Auto CP Sync State Capture Time The header table includes the following information e Freq The analyzer RF frequency e Mode Link direction duplexing cyclic prefix and maximum number of physical resource blocks PRBs signal bandwidth e Meas Setup Shows number of transmitting and receiving antennas e Sync State The following synchronization states may occur OK The synchronization was successful FAIL C The cyclic prefix correlation failed FAIL P The P SYNC correlation failed FAIL S The S SYNC correlation failed Any combination of C P and S may occur SCPI Command SENSe SYNC STATe on page 108 e Ext Att External attenuation in dB e Capture Time Capture length in ms User Manual 1173 0620 42
169. ve to the subframe start This setting applies to all subframes in a frame With this settings the number of OFDM symbols used for control channels is defined too For example if this parameter is set to 2 and the PDCCH is enabled the number of OFDM symbols actually used by the PDCCH is 2 Special control channels like the PCFICH or PHICH require a minimum number of control channel OFDM symbols at the beginning of each subframe If PRB Symbol Offset is lower than the required value the control channel data then overwrite some resource elements of the PDSCH SCPI command CONFigure LTE DL PSOFfset on page 82 User Manual 1173 0620 42 04 38 4 2 3 2 4 2 3 3 Demodulation Settings for Downlink Measurements Defining the Structure of the Reference Signal DL Adv Sig Config OD a Rel Power Defines the relative power of the reference signal compared to all the other physical signals and physical channels Note that this setting gives you an offset to all other relative power settings SCPI command CONFigure LTE DL REFSig POWer on page 82 Configuring the Synchronization Signal DL Adv Sig Config P S SYNC Tx Antenna Selects the antenna that transmits the P SYNC and the S SYNC When selecting the antenna you implicitly select the synchronization method If the selected antenna transmits no synchronization signal the R amp S FSQ uses the reference signal to synchronize Note that automatic c
170. ver use the product under conditions in which condensation has formed or can form in or on the product e g if the product has been moved from a cold to a warm environment Penetration by water increases the risk of electric shock Prior to cleaning the product disconnect it completely from the power supply e g AC supply network or battery Use a soft non linting cloth to clean the product Never use chemical cleaning agents such as alcohol acetone or diluents for cellulose lacquers Operation 1 Operating the products requires special training and intense concentration Make sure that persons who use the products are physically mentally and emotionally fit enough to do so otherwise injuries or material damage may occur It is the responsibility of the employer operator to select suitable personnel for operating the products Before you move or transport the product read and observe the section titled Transport As with all industrially manufactured goods the use of substances that induce an allergic reaction allergens such as nickel cannot be generally excluded If you develop an allergic reaction such as a skin rash frequent sneezing red eyes or respiratory difficulties when using a Rohde amp Schwarz product consult a physician immediately to determine the cause and to prevent health problems or stress Before you start processing the product mechanically and or thermally or before you take it apart be sure to read a
171. y standards that apply in each case Compliance with these standards is continuously monitored by our quality assurance system The product described here has been designed built and tested in accordance with the attached EC Certificate of Conformity and has left the manufacturer s plant in a condition fully complying with safety standards To maintain this condition and to ensure safe operation you must observe all instructions and warnings provided in this manual If you have any questions regarding these safety instructions the Rohde amp Schwarz group of companies will be happy to answer them Furthermore it is your responsibility to use the product in an appropriate manner This product is designed for use solely in industrial and laboratory environments or if expressly permitted also in the field and must not be used in any way that may cause personal injury or property damage You are responsible if the product is used for any intention other than its designated purpose or in disregard of the manufacturer s instructions The manufacturer shall assume no responsibility for such use of the product The product is used for its designated purpose if it is used in accordance with its product documentation and within its performance limits see data sheet documentation the following safety instructions Using the product requires technical skills and a basic knowledge of English It is therefore essential that only skilled and specialized staff o
172. yer mode for the uplink is always SC FDMA SCPI command CONFigure LTE LDIRection on page 86 CONFigure LTE DUPLexing on page 86 Frequency Sets the frequency of the signal and thus the center frequency of the R amp S FSQ The available frequency range depends on the hardware configuration of the R amp S FSQ you have in use The header table shows the current center frequency SCPI command SENSe FREQuency CENTer on page 105 Channel Bandwidth and Number of Resource Blocks opecifies the channel bandwidth and the number of resource blocks RB The channel bandwidth and number of resource blocks RB are interdependent If you enter one the R amp S FSQ automatically calculates and adjusts the other Currently the LTE standard recommends six bandwidths see table below If you enter a value different to those recommended by the standard the R amp S FSQ labels the parameter as User but still does the calculations The R amp S FSQ also calculates the FFT size sampling rate occupied bandwidth and occupied carriers from the channel bandwidth Those are read only Channel Humber of Sample Rate ER 3 84 7 68 15 36 25 04 30 72 MHz User Manual 1173 0620 42 04 20 R amp S9FSQ K100 K102 K104 Configuring Measurements 4 1 1 2 General Settings For more information on the calculation method of the FFT size see E UTRA LTE Test amp Measurement Assumption made by Rohde amp Schwarz SCPI command

R&S FSQ-K100/ -K102/ -K104 EUTRA / LTE

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R&amp;S FSQ-K100/ -K102/ -K104 EUTRA / LTE

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R&S FSQ-K100/ -K102/ -K104 EUTRA / LTE