MEB User Manual - Spirent Knowledge Base
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1. EUER reg Cancel Figure 3 27 Instrument Configuration Window 3 After a few seconds the Main window displays indicating that you are successfully connected to the instrument 4 You now load environments Click the Load Environment button as shown in Figure 3 28 Load Environment Figure 3 28 Load Environment Button 5 The Zoad Environment window displays as shown in Figure 3 29 Select the desired environment file from the list 28 MIMO OTA Environment Builder User Manual Load Environment Cancel Figure 3 29 Load Environment Window 6 Clickthe Load button to recallthe environment settings on your VR5 hardware If there is more than one VR5 instrument both instruments automatically update with the correct environment settings This operation may take up to one minute to complete 3 5 4 Real time Environment Control 1 After the environment is loaded onto the target instrument s you can modify certain parameters in real time To modify parameters immediately select Real time Control Mode after building or loading your new environment as shown in Figure 3 30 Build Environment Load Environment _ Save Environment Figure 3 30 Mapping and Control Options Chapter Three Using the Software 29 2 After selecting this mode you can modify the following parameters a Carrier Frequency Nominal Output Level Velocity Direction of Travel2. 270 Connected to localhost Status HW not updated Click Build Environment to bring HW up to date Figure 3 16 Chamber Setup Tab 3 3 3 Configuring Base Station Parameters 1 Underthe Base Stationtab select the desired Antenna Configuration as shown in Figure 3 17 Chapter Three Using the Software 21 File Help Channel Model Chamber Setup Calibration Data Base Station Plots Detais RF Setup Carrier Frequency MHz Antenna Configuration x Slant 45 deg co located Nominal Output Power dBm Base Station Antenna Separation 0 A A 20 Remove V to coupling Autoset 1 Remove Base Station Antenna correlation effects Mapping and Control Precision Mapping Mode 2 Fast Mapping Mode Connected to localhost Status HW not updated Click Build Environment to bring HW up to date Figure 3 17 Base Station Tab 3 3 4 Configuring RF Setup Parameters 1 Enterthe Carrier Frequency and Nominal Output Level as shown in Figure 3 18 HF Setup Carrier Frequency MHz 2140 Nominal Output Power dBm 20 Autoset Figure 3 18 RF Setup Parameters 3 4 Building MIMO OTA Environments 3 4 1 Build Environment Mapping Algorithms You may build new environments in either Localhost or Connected mode The procedure is the same for both modes 22 MIMO OTA Environment Builder User Manual Building new environ
3. 5 Installer Root folder 2 Run the VR5Install exe file and follow the installation instructions 2 3 3 Installing MIMO OTA Environment Builder Software 1 Connect the USB device containing the unzipped installer to one of the USB ports on the controller laptop Uninstall previous version of MIMO OTA Environment Builder software If this is the first time installing MIMO OTA Environment Builder skip this step Select Control PanebPrograms Uninstall a Program a Right click MIMO OTA Environment Builder and select Uninstall from the menu as Shown in Figure 2 5 Chapter Two Installation 7 nl Programs and Features 5 x Control Panel Home Uninstall or change a program View installed updates To uninstall a program select it from the list and then dick Uninstall Change or Repair Turn Windows features or off Microsoft Visual C 2008 Redistributable x86 9 0 3072 Microsoft Corporation 7 23 2011 596 KB 9 0 30729 Microsoft Visual C 2008 Redistributable x86 9 0 3072 Microsoft Corporation 9 9 2011 599KB 9 0 30729 4974 Microsoft Visual C 2008 Redistributable x86 9 0 3072 Microsoft Corporation 10 1 2011 600KB 9 0 30729 6161 E Microsoft Visual C 2010 x64 Designtime 10 0 30319 Microsoft Corporation 9 9 2011 272KB 10 0 30319 Microsoft Visual 2010 x64 Runtime 10 0 30319 Microsoft Corporation 10 1 2011 33 0MB 10 0 30319 Microsoft Visual
4. 2010 x86 Runtime 10 0 30319 Microsoft Corporation 10 1 2011 26 0MB 10 0 30319 Microsoft Visual F 2 0 Runtime Microsoft Corporation 9 9 2011 5 81MB 10 0 30319 E Visual Studio 2010 ADO NET Entity Framework Microsoft Corporation 9 9 2011 33 4MB 10 0 30319 Microsoft Visual Studio 2010 IntelliTrace Collection x64 Microsoft Corporation 9 9 2011 821KB 10 0 30319 js Microsoft Visual Studio 2010 Tools for Office Runtime x64 Microsoft Corporation 10 1 2011 10 0 31117 Microsoft Visual Studio 2010 Ultimate ENU Microsoft Corporation 9 9 2011 10 0 30319 Q5 Microsoft Visual Studio Macro Tools Microsoft Corporation 9 9 2011 9 0 30729 0 12 1 0 103 MIMO Environment Builder MSXML 4 0 5 2 954430 MSXML 4 0 5 2 KB973688 ft Corporation 8 9 2011 1 33MB 4 20 9876 0 15 O2Micro Flash Memory Card Windows Driver International LTD 7 23 2011 4 99 3 0 07 23 PerformanceTest v7 0 Passmark Software 10 6 2011 30 7MB 7 0 G PerformanceTest v7 0 64 bit Passmark Software 10 6 2011 32 4MB 7 0 B Roxio Creator Starter Roxio 7 23 2011 1 63GB 12 1 77 0 ad E em a an on Ra VI a b z 1 Spirent Communications Product version 1 0 103 Size 673 KB Figure 2 5 Uninstalling the Software 2 3 3 1 Installing a New Version of MEB Software 1 Onthe USB device containing the installation files navigate to the MIMO OTA Environment Builder install
5. Bros Apply Cancel Figure 2 8 Password Utility Window 5 Clickthe Browse button and select the vr5lic password file 6 Click Apply 7 Awindow displays indicating that the password file upgrade is successful 2 4 1 Installing the MIMO OTA Password File A password file for the laptop PC is provided with every purchase of MIMO OTA Environment Builder Copy the provided file to the following directory on your laptop computer C Program Files x86 Spirent Communications MIMO OTA Environment Builder After copying the file rename the file to password Chapter Two Installation 9 2 4 2 Connecting the Dongle Before running MIMO OTA Environment Builder you must connect the provided hardware dongle Connect the hardware dongle to any USB port on the Controller laptop Figure 2 9 Connecting the USB Dongle You are now ready to use the MIMO OTA Environment Builder software 3 Using MIMO OTA Environment Builder Software 3 1 Overview This chapter provides information on using the MIMO OTA Environment Builder software It includes basic instructions to build and load new environments onto the VR5 s For detailed information including a definition of all the fields and parameters in the MEB refer to Chapter 4 on page 35 3 2 Modes of Operation MIMO OTA Environment Builder can be used in one of two modes of operation 1 The Offline or Zoca host mode can be used to run the software when not
6. connected to the VR5 This may be useful when you would like to experiment with MIMO OTA environment creation from the comfort of your cubicle 2 Online or Connected mode is used when you are connected to a VR5 The following sections describe each of these cases in detail 3 2 1 Using the MEB in Localhost Mode This mode can be used when experimenting with building new MIMO OTA environments This is the fastest way to create and save new environments To launch the application follow the steps in the sections below 3 2 1 1 Launching the Application 1 Navigate to C Program Files x86 NSpirent Communications WR5N 2 Runthe SystemControlServiceHost exe file 3 Select Start MIMO OTA Environment Builder as shown in Figure 3 1 The nstrument Configuration window displays Chapter Three Using the Software 11 Figure 3 1 Windows Menu Launching the Application 4 Inthe nstrument Configuration window type localhost in the Primary P address field as shown in Figure 3 2 Click OK instrument Configuration di E er Cancel Figure 3 2 Instrument Configuration Window 5 The MEB launches as shown in Figure 3 3 12 MIMO OTA Environment Builder User Manual RF Setup Frequency MHz 2140 Nominal Output Power dBm 20 Relative Path Gam 98 Connected to localhost Status HW not updated Click Build Environment t
7. dBm dBm m q 00 00 00 0 STOPPED m Figure 3 9 VR5 GUI Main Window 4 Select Configure Additional VR5 Instruments as shown in Figure 3 10 to connect the secondary VR5 unit File Execute Help ss Power Meter Settings Settings Port Phase Settings Advanced Fading Mode VR5 HD Spatial C Channel Mo Additional VR5 Instruments 1 Default 2 Default 3 Default 4 Default r PORT 1 PORT 5 PORT2 2 PORT 6 PORT gt PORT3 PORTS p24 PORT 4 PORT9 5 PORT 13 4 PORT10 PORT 14 i Temporal PORT 15 A7 PORT 11 Planer AR AH PRA E Figure 3 10 Configuring Additional VR5 Instruments 5 The Additional VR5 Instruments window displays as shown in Figure 3 11 Chapter Three Using the Software 17 Primary Instrument Connection Status Connect Now M Figure 3 11 Additional VR5 Instruments Window 6 In the niter P Address of Unit 2 field enter an IP address the same subnet as the Primary VR5 as shown in Figure 3 11 This will be the IP address of the secondary VR5 7 Click the Connect Now button A window indicating that the secondary VR5 is being connected displays as shown in Figure 3 12 Figure 3 12 Connecting to Instrument Message 8 When the connection is successfully completed the Addit
8. gain measured between the output of the channel emulators and the test volume where the receive antenna and cable are removed The normalized gain represents the weakest signal measured during calibration on all of the probe signals This is the Path gain for the output that has a calibration offset of OdB This value enables the calculation of the expected output power at the test volume The expected output power is called the Combined Output and is found under the Details tab The Combined output value is dBm Output Power Setting dBm the RF Power Boost dB that results from the channel model Path Gain dB 38 MIMO OTA Environment Builder User Manual 4 1 3 Calibration Data Tab E MIMO Environment Builder i mg Channel Model Chamber Setup Calbranon Deta Base Satien Dotada Feeguency Bed HW Figure 4 3 Environment Builder Window Calibration Data Tab This tab allows you to enter Calibration Data related to the test setup This data represents the normalized path gain in dB from the output of each VR5 channelto the corresponding antenna probe The data is normalized to the path of maximum loss Enter the maximum loss value in the Path Gain parameter under the Chamber Setup tab You can load and save different calibration files as needed 4 1 3 1 Parameter Details Probe The probes
9. s AoA3 03 AoA3 4 4 Save Environment 0 2 0 15 0 1 0 05 MM See 70 42 14 14 42 70 70 42 14 14 42 70 Doppler Frequency in Hz Doppler Frequency in Hz Connected to localhost Status HW and Plots updated Figure 3 24 Plots Tab 2 Select the Detailstab as shown in Figure 3 25 This tab displays information on the set and expected power levels at each VR5 output and each antenna probe Chapter Three Using the Software 25 File Help Channel Model Chamber Setup Calibration Data Base Station Plots Details RF Setup Carrier Frequency MHz 2500 Gain over Nominal Output Power dB 4 68 Combined Output Power of all probes dBm 25 32 Nominal Output Power dBm 30 Set Power Expected Power Analog Gain dB Analog Digital Gain dB Probe Angle deg Mapping Result for 8 Probe Correlation 32 121 32 495 36 997 Mapping and Control 37 438 41 711 43 457 37 389 40 301 39 593 42 350 46 771 48 025 42 478 43 126 34 373 35 012 O Precision Mapping Mode Fast Mapping Mode Realtime Control Mode Build Environment correlation coefficient Load Environment Save Environment 190 90 10 110 2H 3V 3H 4v 4H 5V 5H 6V 6H W 7H 8V AoA wrt Boresite in degrees Connected to localhost Status HW and Plots updated Figure 3 25 Details Tab 3 5 Replaying MIMO OTA Environments If y
10. Right click VR5 Spatial Channel Emulator and click Uninstall from the menu as shown in Figure 2 3 Chapter Two Installation 5 4 Programs and Features Control Panel Home Uninstall or change a program view installed updates To uninstall a program select it from the list and then dick Uninstall Change or Repair Turn Windows features on or off Organize Uninstall Change Repair Hs Name Publisher Installed Size Version MIMO OTA Environment Builder Spirent Communications 10 12 2011 673KB 1 0 103 MSXML 4 0 5 2 KB954430 Microsoft Corporation 8 9 2011 1 27MB 4 20 9870 0 MSXML 4 0 5 2 KB973688 Microsoft Corporation 8 9 2011 1 33MB 4 20 9876 0 5 O2Micro Flash Memory Card Windows Driver O2Micro International LTD 7 23 2011 4 99 3 0 07 23 PerformanceTest v7 0 Passmark Software 10 6 2011 30 7MB 7 0 G PerformanceTest v7 0 64 bit Passmark Software 10 6 2011 32 4MB 7 0 Roxio Creator Starter Roxio 7 23 2011 1 63GB 12 1 77 0 Setupi Spirent Communications PAW 8 16 2011 23 6MB 1 0 0 62 Silicon Laboratories USBXpress Development Kit Silicon Laboratories Inc 10 11 2011 3 1 1 UTF 8 TeraTerm Pro with 55 2 4 53 10 11 2011 visual Studio 2010 Prerequisites English Microsoft Corporation 9 9 2011 5 82MB 10 0 30319 5 Visual Studio 2010 Tools for SQL Server Compact 3 5 SP2 Microsoft Corporation 9 9 2011 10 7MB 4 0 8080 0 VR5 HD Spatial Channel Emu
11. TA for Existing 2 2 3 1 Upgrading VR5 Software the 2 2 3 2 Upgrading VRs Software on the Controller 4 2 3 3 Installing MIMO OTA Environment Builder Software 6 2 4 Updating the VR5 Password 8 2 4 1 Installing the MIMO OTA Password File 8 2 252 Connecino The 9 Using MIMO OTA Environment Builder Software 10 LC 10 2 2 Modes sabias E 10 3 2 1 Using the MEB in Localhost Mode eese eene eene nennen 10 3 2 2 Using the MEB in Connected Mode eese eese 12 3 3 Configuring MIMO OTA Environments 18 3 3 14 Loading the Channel MOGEL noon Ua Re pena 18 3 3 2 Configuring Chamber 20 3 3 3 Configuring Base Station Parameters ccena 20 3 3 4 Configuring RF Setup 21 3 4 Building MIMO OTA Environments 21 3 4 1 Build Environment Mapping A
12. are numbered in a counter clockwise direction The probe numbering is displayed in the Plots tab for the circular and sector configurations depending on what is selected Vertical The calibration factors are currently pre normalized so that the weakest of all of the output calibrations is not changed by the calibration and is assigned OdB The stronger paths are assigned values in negative dBs of gain that results in the same output power after the calibration offsets are applied If the model is changed for example fewer probes are used the set of probes must still contain the OdB probe If there are not the set must be renormalized Horizontal The Horizontal probe cal factors are specified together with the vertical probe cal factors Chapter Four Reference 39 4 1 4 Base Station Tab MIMO OTA Environn File Help Channel Model Chamber Setup Calibration Data Base Station Plots Detais Antenna Configuration x Slant 45 deg co located Base Station Antenna Separation 0 Remove Vto H coupling 1 Remove Base Station Antenna correlation effects Connected to localhost Status HW not updated Click Build Environment to bring HW up to date Figure 4 4 Environment Builder Window Base Station Tab RF Setup Carrier Frequency MHz 2140 Nominal Output Power dBm f Save Environment This tab allows you to specify information related
13. bined Output Powerofall This is the expected power level in the test volume due to probes dBm the transmission of the nominal set power at the channel emulators combined with the channel model This results in a power boost value with the normalized path gain included The value of the Combined output dBm Output Power Setting dBm the RF Power Boost dB that results from the channel model Path Gain dB See also Path Gain Set Power This is the power set point specified on each output port of dBm the VR5 This is an analog power setting By itself itis only useful as an intermediate value Expected Power This is the actual output power expected on each output dBm port of the VR5 It is a combination of analog digital gains and calibration offsets Probe Angle Along with the first column identifying the probe number degrees and polarization this column specifies the angle that the probe is located This probe angle is also given in the polar plot on the Plot tab 4 1 7 RFSetup Parameters HF Setup Carrier Frequency MHz 2140 Nominal Output Power dBm Figure 4 7 RF Setup Parameters These parameters allow you to configure the frequency and nominal output power of all channels in the system After an environment is loaded on the hardware click the Autoset button to apply the correct power levels at the output of each channel
14. directory Version 1 0 103 C Jv MIMO Environment Builder Version 1 0 103 search version 1 0 103 Organize Open Burn New folder B Fil os C l CENTON USB E Ji fseventsd Spotiight V100 setup ex 10 10 2011 426 J Temporaryrtems Type Application rashes Size 418 KB 01 00 136 Date modified 10 10 2011 4 26 PM 2 7us offset 97 0 136 Environment files MIMO OTA Environment Builder di pictures 4 gt 2 L setup exe Date modified 10 10 2011 4 26 PM Date created 10 10 2011 4 34 PM Application Size 418 KB Mame 7 MEB msi 10 10 2011 4 261 Figure 2 6 Installing the New Software 2 Run the setup exe file as shown in Figure 2 6 and follow the instructions to install the software 8 MIMO OTA Environment Builder User Manual 2 4 Updating the VR5 Password You can update the password through the VR5 front panel or the Controller laptop 1 If using VR5 front panel connect a mouse to one of the USB ports on the front panel 2 Connect the USB device containing the unzipped installer into the other USB port on the VR5 front panel 3 From the VR5 GUI menu bar select Help Password Utility Manual Instrument Options Hardware Information Password Utility ra Figure 2 7 VR5 GUI Help Menu Item 4 The Password Utility window displays as shown in Figure 2 8 _ Utility Select Password File
15. duct version 66 6 666 Size 88 5 MB Figure 2 1 Uninstalling the Previous VR5 Software 7 Awindow may display asking if it is ok to modify programs on the local computer Click Yes 8 The window shown in Figure 2 2 may display prompting you to close all open applications Select the Automatically close applications and attempt to restart them after setup is complete option and click OK 4 MIMO OTA Environment Builder User Manual HD Spatial Channel Emulator The following applications should be closed before continuing the Install RPI Listener Automatically clase applications and attempt to restart them after setup is complete nat close applications 4 Reboot may be required Figure 2 2 Closing Open Applications 2 3 1 1 Installing a New Version of VR5 Software 1 On the USB device containing the installation files navigate to the V5 Installer Root folder 2 Runthe VR5Install exe file and follow the installation instructions 3 Duringthe installation process you may be prompted to upgrade instrument firmware Click Yes and allow the new firmware to be installed 4 Ifprompted reboot the instrument 2 3 2 Upgrading VR5 Software on the Controller Laptop 1 Connect the USB device containing the unzipped installer to one of the USB ports on the controller laptop 2 Uninstall any previous versions of VR5 software 3 Select Control PanebPrograms Uninstall a Program 4
16. e specified in some standard models like SCME and Winner Il Mid path delays Relative delays of each mid path with respect to the original path microseconds delay Chapter Four Reference 37 4 1 2 Chamber Setup Tab fi MIMO OTA Environment Builde File Help Channel Model Chamber Setup Calibration Data Base Station Plots Detais RF Setup Carrier Frequency MHz Number of probes 8 Load Chamber Setup Probe layout in chamber Nominal Output Power dBm Probe Layout Circular hd M 20 90 Probe Locations Path Gain dB 0 UN ww Probe Angle Setup 2 Mapping and Control i Precision Mapping Mode E i N 30 150 X Fast Mapping Mode Build Environment AS 210 X 7 330 Connected to localhost Status HW not updated Click Build Environment to bring HW up to date Figure 4 2 Environment Builder Main Window Chamber Setup Tab This tab allows you to enter parameters related to a specific Chamber Setup while the plot updates in real time The location of the antenna probes display numbered in red You can load and save different Chamber Setup configurations as needed 4 1 2 1 Parameter Details Number of probes Counts the number of physical probes which may consist of one element V only or two elements V amp H Probe layout Select between Circular or Sector layouts Path Gain The path gain represents the normalized
17. ew calibration file named updates the new calibration values in the instrument This works in REAL TIME mode only Reference I O 4 1 GUI Reference 4 1 1 Channel Model Tab RF Setup nns qua 2140 Nominal Output Power dBm 20 Relative Path Gain 98 Midpaths 5 Angle Spread Meg Enabled deg oa Connected to localhost Status HW notupdated Click Build Environment to bring HW up to date Figure 4 1 Environment Builder Main Window Channel Model Tab This tab allows you to load save and edit channel models MIMO OTA Environment Builder comes loaded with a number of MIMO channel models defined in 3GPP and other specifications The power delay profile and other plots are automatically updated as you modify the parameters 36 MIMO OTA Environment Builder User Manual 4 1 1 1 Parameter Details Number of Paths This parameter specifies the number of delay taps in the channel impulse response and is normally specified by the channel model Each path is assumed to experience frequency flat fading which is also referred to as a zero delay spread cluster Power Angle Spectrum The shape of the cluster may be selected from Laplacian Gaussian or Uniform distributions The Cluster PDF describes the Power Angle Spread of the received signal The Transmit signal is always specified as a Laplacian Velocity km hr Emulated Mobile Velocity
18. gp SPIRENT MIMO OTA Environment Builder User Manual Spirent 541 Industrial Way West Eatontown NJ 07724 USA Email sales spirent com Web http www spirent com AMERICAS 1 800 SPIRENT 1 818 676 2683 sales spirent com EUROPE AND THE MIDDLE EAST 44 0 1293 767979 emeainfo spirent com ASIA AND THE PACIFIC 86 10 8518 2539 salesasia spirent com This manual applies to MIMO OTA Environment Builder Version 1 10 or higher Page Part Number 71 006654 Version A2 Copyright 2012 Spirent All Rights Reserved All of the company names and or brand names and or product names referred to in this document in particular the name Spirent and its logo device are either registered trademarks or trademarks of Spirent plc and its subsidiaries pending registration in accordance with relevant national laws All other registered trademarks or trademarks are the property of their respective owners The information contained in this document is subject to change without notice and does not represent a commitment on the part of Spirent The information in this document is believed to be accurate and reliable however Spirent assumes no responsibility or liability for any errors or inaccuracies that may appear in the document Table of Contents 1 1 1 ES CAN AE Oli SANTA RR M 2 2 2 2 MIMO OTA for New Systems 2 2 3 MIMO O
19. gt Calibration Data 3 To update the above parameters with the exception of Calibration Data type in a new value and press the Enter key 4 To update the Calibration Data in real time manually update the Calibration Table or click the Load Calibration Data button followed by the Send Calibration Data button This updates the RF Power Setting table and the output power of the VR5 instrument with the calibration offsets entered above 3 6 Verifying MIMO OTA Model Performance After loading the MIMO OTA environment onto the VR5 hardware you may want to confirm correct performance of the model The procedure below explains a simple way to ensure the model is behaving correctly 1 Using a signal generator inject a CW tone into Port 1 on the Primary VR5 2 Setthe signal generator frequency to match the frequency in your environment 3 Onthe VR5 GUI click the Autoset button on Port A1 as shown in Figure 3 31 RF Setup and Measurement CARRIER INPUT Unit Expected Measured Frequency MHz Port dBm dBm Autoset 2500 000 BEEN nie P Figure 3 31 RF Setup and Measurement Autoset 4 Onthe VR5 GUI select Configure Power Meter Settings Change the output port settings on Port B1to 6 9s This setting configures the VR5 to take 6 9 seconds worth of measurements using the internal power meters 30 MIMO OTA Environment Builder U
20. h TCP IP communications By default the VR5 embedded PC is listening on port 3000 for requests from remote applications To control one or more VR5 instruments in a system your application should only send commands to the primary VR5 The default IP address for the primary VR5 is 192 168 0 100 32 MIMO OTA Environment Builder User Manual 3 7 1 2 Remote Programming Interface RPI Commands for MIMO OTA The following table contains a list of relevant remote commands to configure MIMO OTA in your VR5 system For a complete list of remote commands refer to the VR5 HD Spatial Channel Emulator User Manual Default Value Range of Values IDN Queries the identity of the instrument ERR Polls for any errors generated in the instrument MEB CMB LIB filename Loads the Chamber Setup DEFAULT named filename MEB CMB LIB Queries the name of the current DEFAULT Chamber Setup file MEB CMB LIBAV Returns the list of Chamber Setups available in the Chamber Library MEB CAL LIB filename Loads the amplitude calibration data file identified by the filename parameter MEB ENV OUTP value Sets the nominal output power level of the MEB This determines the set point used to calculate the actual power levels of the output ports of the VR5 This command can be used only in real time mode MEB ENV VEL value Sets the MS velocity forall paths 10 0 O to 5400 0 to the value in km hr This command can be used only i
21. ional VR5 Instruments window displays as shown in Figure 3 13 18 MIMO OTA Environment Builder User Manual Primary Instrument You are connected to Primary VR5 1982 168 0 151 et Secondary Instruments f Enter IP Address of Unit 2 192 168 0 152 Connection Status Figure 3 13 Additional VR5 Instruments 9 Click Close 3 3 Configuring MIMO OTA Environments 3 3 1 Loading the Channel Model You can manually configure a channel model by entering the parameters or select a pre configured model from the Library To load a Channel Model from the Library 1 Inthe Main window click the Load Channel Model button The M MO OTA folder has channel models that are in use by the standardization bodies The User Created folder is where your channel models will be saved 2 Open the desired folder and select a model as shown in Figure 3 14 In this example the SCME Urban Micro model is used Click OK Chapter Three Using the Software 19 Load Channel Model Ae MIMO OTA gt Modified SCME Urban Micro Vel 3 Modified SCME Urban Micro Yel 30 Modified WINNER II outdoor to indoor SCME Suburban Macro Yel 3 SCME Suburban Macro Yel 30 SCHE Urban Macro 2 vel 3 SCME Urban Macro 2 30 SCME Urban Macro Wel 30 SCME Urban Macro Vele3 SCME Urban Micro Single Cluster MS 45225 Velz3 SCME Urban Micro Single Cluster M5_45 25 Vel 30 SCME Urban Single Cluste
22. lator Sammunications 10 10 2011 88 5 66 6 666 Web Browser 9 7 2011 1 0 0 0 9 Web Deployment Tool orporation 9 9 2011 3 09 1 1 0618 Windows Driver Package Dell Inc PBADRV System 8 9 2011 09 11 2009 1 0 1 1 windows Live Essentials 2011 Microsoft Corporation 7 23 2011 15 4 3508 1109 Windows Live Mesh ActiveX Control for Remote Connections Microsoft Corporation 7 23 2011 5 57 15 4 5722 2 WindowsFormsApplication1 Spirent Communications Wireless 9 8 2011 1 0 0 5 4 q Spirent Communications Product version 66 6 666 Size 88 5 MB Figure 2 3 Uninstalling the Previous VR5 Software 5 Awindow may display asking if it is okay to modify programs the local computer Click Yes 6 The window shown in Figure 2 4 may display prompting you to close all open applications Select the Automatically close applications and attempt to restart them after setup is complete option and click OK 6 MIMO OTA Environment Builder User Manual HD Spatial Channel Emulator E The following applications should be closed before continuing the Install RPI Listener Automatically close applications and attempt to restart them after setup is complete nat close applications Reboot may be required Figure 2 4 Closing Open Applications 2 3 2 1 Installing a New Version of VR5 Software 1 On the USB device containing the installation files navigate to the
23. lgorithms eee 21 9 452 SAVING the EnVIFODIBDE veu UN SE OE raspas S 23 3 4 3 Viewing the Results UPPER 23 3 5 Replaying MIMO OTA Environments 25 3 5 1 Copying Environment Files from the Computer 25 3 5 2 Copying Environment Files to the 5 26 So mede 26 I MIMO OTA Environment Builder User Manual 3 5 4 Real time Environment 28 3 6 Verifying MIMO OTA Model 29 CS PEE Cupiciton M HH 30 4 ONG ERUNT ERU EAR USE 000999123 TUER YER EPIVEENEPIETEVEVI 35 WC MEC SINIT T Tt OTT 35 4 1 1 Channel Model 35 Chamber 37 NE WEE Calibration Data TaD rm 38 BAD BOSC SUON TAD 39 UCET cases snc E 41 72292827079 42 Zed BESOIUDTOFUIOIDES 43 1 Introduction 1 1 Overview The Spirent MIMO OTA Environment Builder MEB is a PC based application designed to create MIMO OTA models that can be emulated on the Spirent VR5 Spatial Channel Emulator MIMO OTA Environment Builder allows you to select from variou
24. ments in Connected mode takes slightly more time than in Localhost mode but avoids the need to copy the environments onto the VR5 instrument For a detailed explanation on how to build environments refer to Section 3 3 on page 18 There are two different algorithms you can use to build an environment as shown in Figure 3 19 1 Precision Mapping 2 Fast Mapping Mapping and Control Precision Mapping Mode Fast Mapping Mode C Realtime Control Mode Build Environment Load Environment Save Environment Figure 3 19 Mapping and Control Parameters Precision Mapping This algorithm is more accurate but may take a little longer to run Fast Mapping This algorithm runs quicker but is a bit coarser Real time Control allows you to vary select parameters after building or loading an environment It cannot be used to build an environment 1 After selecting the algorithm click the Build Environment button as shown in Figure 3 20 Build Environment Figure 3 20 Build Environment Button 2 The MIMO OTA algorithm now starts running During this time a progress bar displays as shown in Figure 3 21 Chapter Three Using the Software 23 Building Environment TR Figure 3 21 MIMO OTA Algorithm Status Bar 3 Depending on the input parameters configured in Section 3 3 the build process can take a few seconds to several minutes to complete 3 4 2 Saving the Environment After building an envi
25. n real time mode MEB ENV DOT value Sets the MS direction of travel in 180 0 to 180 0 degrees for all paths This can be called in real time mode MEB ENV FREQ value Sets the carrier frequency in 2600 0 380 0 to 6000 0 MHz of all VR5 output ports used in the current MIMO OTA environment This command can be used only in real time mode MEB ENV ALG value Sets the algorithm type for the PRECISION PRECISION FAST MIMO OTA Environment Builder REAL TIME MEB ENV SENDCAL Sets the Amplitude Calibration values This command can be used only in real time mode MEB ENV BUILD Builds the MIMO OTA environment and configures the VR5 accordingly Chapter Three Using the Software 33 Default Value Range of Values MEB ENV BDSTAT Queries the build status IDLE COMPuting INStrumentConfig MEB ENV LIB filename Loads the environment file DEFAULT identified by the filename parameter MEB ENV LDSTAT Queries the Load status IDLE COMPuting INStrumentConfig MEB ENV LIB Queries the name of the current DEFAULT environment file MEB ENV LIBAV Returns the list of environments available in the Environment Library Sets the fading mode of the VR5 CLASSICAL instrument GEOMETRIC MIMO_OTA MEB ENV SETPower Returns a comma separated list of set power levels for each of the VR5 output ports used in the current MIMO OTA environment This command can be used only in real time mode MEB ENV EXPPower Re
26. nvironment Builder Window Plots Tab The plots in the upper half of the table show the fractional power contribution for each path per antenna probe The plots in the bottom half of the table illustrate the Doppler spectra per path 42 MIMO OTA Environment Builder User Manual 4 1 6 Details Tab File Help Channel Model Chamber Setup Calibration Data Base Station Plots Detais RF Setup Carrier Frequency MHz 2500 Gain over Nominal Output Power dB 468 Combined Output Power of all probes dBm 25 32 Nominal Output Power dBm 30 Set Power Expected Power Mapping and Control Precision Mapping Mode C Fast Mapping Mode correlation coefficient Build Environment Load Environment Save Environment 10 AoA wrt Boresite in degrees Connected to localhost Status HW and Plots updated Figure 4 6 Environment Builder Window Details Tab This table provides detailed information about power levels in the system The Detailed Result parameters are described in the following table 4 1 6 1 Parameter Details Gain over Nominal Output This represents the difference between the sum of all port Power powers and the nominal power level For instance a dB Uniform channel model with equal power on each of 8 probes will have a 10 log10 8 9 1 dB output power boost Chapter Four Reference 43 Description Com
27. o bring HW up to date Figure 3 3 MIMO OTA Main Window 3 2 2 Using the MEB in Connected Mode This mode is used when you are running MIMO OTA tests on one or more VR5 units The following sections describe how to copy load replay and verify the performance of the new environments Basic instructions for remotely controlling the VR5 to replay MIMO OTA environments are also included 3 2 2 1 Connecting to One VR5 Unit using MEB 1 Select Start MIMO OTA Environment Builder as shown in Figure 3 1 The nstrument Configuration window displays Chapter Three Using the Software 13 Search programs and files 2 Shut down Figure 3 4 Windows Menu Launching the Application 2 Inthe nstrument Configuration window type the IP address of the VR5 as shown in Figure 3 2 Click OK E Instrument Configu atior Primary IP Address 192 168 0 100 Figure 3 5 Instrument Configuration Window 14 MIMO OTA Environment Builder User Manual 3 The MIMO OTA Environment Builder launches as shown in Figure 3 3 File Help Num of Paths 6 Velocity kph 30 MS Direction of travel deg XPR dB 9 B5 Angle Spread deg Channel Model Chamber Setup Calibration Data Base Station Plots Detais Power Angle Spectrum LAPLACIAN Relative Path Gam 98 Connected to localhost Status HW not updated Click B
28. ou are operating the MIMO OTA Environment Builder in Connected mode when you build an environment the VR5 is automatically configured to that environment If you are operating in Localhost mode you need to copy the created environment files from your computer on to the VR5 using the following procedure 3 5 1 Copying Environment Files from the Computer 1 Inserta USB flash drive into the laptop Using Windows Explorer navigate to the following directory C Program Data Spirent Communications VR5 db mimo_ota env user 2 Copy all of the new environments to the USB flash drive 3 Ifyou cannot find the directory listed above you may need to change the Windows Explorer defaults a In Windows Explorer click Organize Folder and Search Options b The Folder Options window displays as shown in Figure 3 26 26 MIMO OTA Environment Builder User Manual c Selectthe Show hidden files folders and drives option x General View Search Folder views You can apply the view such as Details or Icons that you are using for this folder to all folders of this type ree Advanced settings Files and Folders Always show icons never thumbnails Always show menus Display file icon on thumbnails Display file size information in folder tips Display the full path in the title bar Classic theme only Hidden files and folders Q Dont show hidden files folders or drives 9 Sh
29. ow hidden files folders and drives Hide extensions for known file types Cd Uc DrOlcCicU obDerdiurid SYSLe ATT IOCUO Figure 3 26 Folder Options Window 3 5 2 Copying Environment Files to the VR5 1 Connect a mouse and a USB flash drive to the Primary VR5 front panel 2 Using Windows Explorer on the VR5 copy the new environment files to the following location on your 5 file system C Program Data Spirent Communications VR5 db mimo_ota env user 3 Ifyou cannot find this directory refer to Step 3 in Section 3 5 1 3 5 3 Loading Environments You can load Environment previously built files using the MIMO OTA Environment Builder In Localhost mode the load environment loads the environment on your computer This is useful for studying the Plots and other details of your environment such as output power levels If you want to run MIMO OTA tests using your environment you must connect to a VR5 unit To load and use environments on VR5 units 1 When you are ready to load environments onto your VR5 you must be in Connected mode 2 Ifyou are currently running in Localhost mode close the application and restart MIMO OTA Environment Builder When prompted to configure the instrument enter the IP address of the Primary VR5 as shown in Figure 3 27 and click OK Chapter Three Using the Software 27 Instrument Configuration ti deo LARA E CHAM FS
30. r 5235 Yel 3 SCME Urban Micro Single Cluster MS 45235 Velz3l SCME Urban Micro Yel 30 Load Figure 3 14 Load Channel Model Window 3 The Channel Modeltab updates to reflect the newly selected model as shown in Figure 3 15 Relative Path Gain 98 Figure 3 15 Main Window Channel Model Tab 20 MIMO OTA Environment Builder User Manual 3 3 2 Configuring Chamber Parameters 1 Underthe Chamber Setuptab select the Number of Probes and the Probe Layout as shown in Figure 3 16 File Help e Channel Model Chamber Setup Calibration Data Base Station Plots Detais RF Setup Carrier Frequency MHz Number 2140 i Probe layout in cha Nominal Output Power dBm Probe Layout Circular 20 J 90 e Probe Locations Save Chamber Setup 120 d dia ae Probe Angle Setup A y Se di 3 4 8 Mapping and Control 4 v Precision Mapping Mode 150 N 30 E A i jo p d p 9 E di P dj H ed 5 180 E 0 w Save Environment 1 J 1 Si 4 o lt A 1 E E WP x p X A 210 X 330 g a s gt N z Ed w MT ES e 20 N _ 7 300
31. recommend installing MIMO OTA Environment Builder directly onto the embedded PC in the VR5 MIMO OTA for New Systems If you purchased MIMO OTA Environment Builder at the same time as your VR5 instrument the controller laptop comes installed with MIMO OTA software In this case you can skip ahead to Chapter 3 on page 10 of this document to learn how to use your new software MIMO OTA for Existing Systems If you are upgrading your system to support MIMO OTA follow the instructions below 2 3 1 Upgrading VR5 Software on the Instrument 1 Repeatthe steps in Sections 2 3 1and 2 3 2 for each VR5 units in your MIMO OTA system 2 Connect a mouse to one of the USB ports on the VR5 front panel 3 Connect the USB device containing the vr5lic file into the other USB port on the VR5 front panel 4 Uninstall any previous versions of VR5 software Chapter Two Installation 3 5 Select Control PanebPrograms Uninstall a Program 6 Right click VR5 HD Spatial Channel Emulator and click Uninstall from the menu as shown in Figure 2 1 i Programs and Features inl x G Jv A Control Panel Programs Programs and Features v Search Programs and Features Control Panel Home Uninstall or change a program View installed updates To uninstall a program select it from the list and then dick Uninstall Change or Repair l Turn Windows features on or off Installed MIMO OTA Environment Builder Spirent Comm
32. robes are used without considering polarization due to scattering and each channel emulator output is connected to separate vertical probes that are in unique locations This results in a channel model distributed among the available probes without polarization Uncorrelated Base Stations are often used when the goal is to measure the antenna performance at the Device Under Test and Base Station Correlation is not directly related to the DUT performance Chapter Four Reference 41 4 1 5 Plots Tab MIMO OTA Environment Builder a Bl x File Help rn Channel Model Chamber Setup Calibration Data Base Station Plots Details eese nennt RF Setup Carrier Freq MHz 2500 Vertically Polarized Probe Powers Antenna Config X Slant 45 deg co located Horizontally Polarized Probe Powers Antenna Config X Slant 45 deg co located Output Power dBm 30 Autoset Mapping and Control Fractional Power Contribution Fractional Power Contribution Precision Mapping Mode C Fast Mapping Mode C Realtime Control Mode Antenna Probe Number Antenna Probe Number marry Ee Build Environment Ideal Doppler Spectra LAPLACIAN Doppler Spectra of Cluster Mapped Sub paths cnini fd Load Environment AoA AoA3 AoM Save Environment wee AoA5 Doppler Frequency in Hz Doppler Frequency in Hz Connected to localhost Status HW and Plots updated Figure 4 5 E
33. ronment save it in the Environment Library for future use by following the instructions below 1 In the Main window click the Save Environment button as shown in Figure 3 22 The Save Environment window displays as shown in Figure 3 23 e Save Environment Figure 3 22 Save Environment Button Save Environment a ee Figure 3 23 Save Environment Window 2 Name the new environment and click the Save button 3 4 3 Viewing the Results After building an environment you can view the results under the Plots and Details tabs 1 Select the Plots tab as shown in Figure 3 24 24 MIMO OTA Environment Builder User Manual a The plots on the upper half of the window display information about the power distribution per path on each antenna probe b The plots on the lower half of the window display theoretical and emulated Doppler spectra for each of the paths MIMO OTA Environment Builder E Bl File Help RF Setup Carrier MHz 2500 Horizontally Polarized Probe Powers Antenna Config X Slant 45 deg co located 0 4 Output Power dBm 30 03 E 0 2 Mapping and Control 01 5 E Precision Mapping Mode C Fast Mapping Mode 0 C Real t trol Mod 0 1 2 3 4 5 6 E 8 9 eal time Control Mode Antenna Probe Number Antenna Probe Number A Build Environment Ideal Doppler Spectra LAPLACIAN Doppler Spectra of Cluster Mapped Sub paths os
34. s user defined or industry standard MIMO channel models chamber configurations and base station parameters to build complex models The software is easy to use and provides many graphical and tabular outputs to help you understand various aspects of the emulated MIMO OTA environment This manual provides information on installing the software building environments and downloading them to the VR5 hardware File Help Channel Model Chamber Setup Calibration Data Base Station Plots Detais RF Setup Num of Paths 6 puri Power Angle Spectrum LAPLACIAN M Nominal Output Power dBm Nominal Output Pow Velocity kph 30 MS Direction of travel deg 120 a dB 9 BS Angle Spread 2 deg 5 Connected to localhost Status HW not updated Click Build Environment to bring HW up to date Figure 1 1 MIMO OTA Environment Builder Window 2 Installation 2 1 2 2 2 3 Overview MIMO OTA Environment Builder is designed to be installed on any 64 bit Microsoft Windows 7 computer The software is not supported on Windows XP or 32 bit Windows 7 computers If MIMO OTA Environment Builder is purchased with a new Spirent VR5 it comes installed on the included laptop Ifyou purchase MIMO OTA Environment Builder after receiving the VR5 instrument you can install the software onto the laptop using the procedure below We do not
35. ser Manual Output Port Settings Measurement BI MEASURED MEASURED 585 Figure 3 32 Output Port Settings Number of Averages 5 Wait for at least one minute for the averaging of the signal to be completed Record the value of the power level displayed at the outputs of MIMO Channel 1 Ports B1 and B2 6 In MIMO OTA Environment Builder select the Details tab Under the Expected Power column verify the Power Level at Probe ID 1H 3dB matches the measured power at B1 and that Probe ID 1V 3dB matches the measured power at B2 as shown in Figure 3 33 Probe Set Power Expected Power ID Analog Gain dB Analog Digital Gain dB Figure 3 33 Details Tab RF Power Setting 3 7 Remote Control It is possible to build new applications that utilize MIMO OTA capabilities within the VR5 This section provides details about building these applications Before proceeding with this section you should create and download new environments using the instructions provided in this document The diagram shown in Figure 3 34 illustrates the necessary hardware configuration to create a custom MIMO OTA application In this configuration the custom application uses TCP IP communications to remotely control the VR5 hardware system Chapter Three Using the Software 31 Figure 3 34 Hardware Setup for Custom Application Diagram 3 7 1 1 Communications Transport VR5 supports remote programming throug
36. that is used to time evolve the fading samples within the test volume MS Direction of travel Emulated Direction for travel which determines the Doppler deg characteristics of the signals in the test volume XPR dB Power Ratio in dB of the polarized signal XPRv Pvv Pvh XPRh Phh Phv For practical modeling XPRv XPRh is assumed BS Angle Spread deg The second central moment of the normalized power weighted angle profile of a Path leaving the Base Station AoA deg Average angle of the arriving path at the test volume Relative Path Loss dB Difference in path loss observed between path delays of the power delay profile or channel impulse response Delay microseconds Time of arrival of the path delays measured from the first arriving path in units of microseconds AoD deg Average angle of the departing path with respect to the bore sight of the emulated Base Station antenna array Mid paths enabled Paths are split into mid paths that are slightly delayed at reduced power the total path power remains the same but a small amount of delay spread is observed This produces some frequency selectivity which improves the path model when the channel bandwidth is above 5 10 MHz MS Angle Spread deg The second central moment of the normalized power weighted angle profile of a path arriving at the receiver Mid path powers Fractional power distribution of the mid paths that sum to unity fractional These values ar
37. to the base station emulator You can load and save base station files as needed 40 MIMO OTA Environment Builder User Manual 4 1 4 1 Parameter Details Description Antenna Configuration Base Station Antenna Distance Wavelengths Receiver Antenna Separation Wavelengths Remove V to H coupling Remove Base Station Antenna Correlation effects There are several base station antenna assumptions that can be selected These include Vertical Only separated Vertical Horizontal co located Vertical Horizontal separated X Slant 45 deg co located Slant 45 deg separated For those antenna configurations above that include separated elements the value is specified in units of wavelengths The receiver separation distance is not directly related to the device under test For instance the electrical distance between receiver elements is not needed to specify this value It is the distance at which the ideal spatial cluster and the equivalent spatial cluster in the chamber are compared The value of 0 5 lambda produces a theoretical correlation that produces the most sensitivity on spatial correlation because it varies across the full range for standard clusters These values are also in the range observed for practical device antennas In this case 0 5 is the recommended standard value for the receiver separation independent of the device under test Select this option if Vertical only p
38. turns a comma separated list of expected power levels for each of the VR5 output ports used in the current MIMO OTA environment This command can be used only in real time mode 34 MIMO OTA Environment Builder User Manual 3 7 1 3 Functionality Sample Command Sequence to Program MIMO OTA The following command sequence loads a pre configured environment and rebuilds with new calibration data Changes to selected parameters such as frequency output level and velocity are adjusted using the real time algorithm 1 2 10 11 12 13 14 FADM MIMO OTA MEB ENV LIB MY ENVIRONMENT MY ENVIRONMENT Loop on command MEB ENV LDSTAT Until the return value IDLE MEB CAL LIB MY CALIBRATION MY CALIBRATION MEB ENV ALG PRECISION MEB ENV BUILD Loop on command MEB ENV ALG REAL TIME MEB ENV OUTP 37 0 37 0 dBm BUILD ENVIRONMENT COMPLETED MEB ENV FREQ 2140 0 channels to 2140 MHz MEB ENV VEL 40 5 degrees MEB CAL LIB NEW CALIBRATION New CALIBRATION MEB ENV SENDCAL sets the instrument to MIMO OTA mode loads an environment named loads a calibration file named use precision mapping mode rebuilds the environment with new cal data MEB ENV BDSTAT Until the return value IDLE change to real time mode change the output level for all channels to change the carrier frequency for all change the velocity for all channels to 40 5 loads a n
39. uild Environment to bring HW up to date Figure 3 6 MIMO OTA Main Window 3 2 2 2 Configuring Multiple VR5 Units If you have multiple VR5 instruments you must connect them before loading MIMO OTA environments Hardware Setup To set up the VR5 units 1 Connect the HDMI cable that came with the VR5 to digitally synchronize the two VR5s 2 Connect from the Sync Out port on DSPB 2 on the Primary VR5 to the Sync In port on the secondary VR5 as shown in the following figure Software Setup Chapter Three Using the Software 15 R V PSL emulator Figure 3 7 VR5 GUI Icon 1 The VR5 Spatial Channel Emulator window displays as shown in Figure 3 8 5 HD Spatial Channel Emulator Primary VR5 IP Address 192 158 0 151 Figure 3 8 VR5 GUI Start Window 2 Inthe field Primary VR5 IP Address enter 192 168 0 151 3 Click Connect The VR5 GUI Main window displays as shown in Figure 3 9 16 MIMO OTA Environment Builder User Manual File Configure Execute Help Configuration VR5 HD Spatial Channel Emulator 4 Connection Setup Channel Model Propagation Conditions Correl 1 Default Uncorn PORT 5 2 Default Uncorr PORT 6 3 Default Uncorr 4 Default U PORT 4 efau ncorr PORT 13 PORT 14 PORT 11 PORT 12 CARRIER Unit No Frequency MHz Port INPUT OUTPUT Expected Measured Set Power Measured
40. unications 10 12 2011 673KB 1 0 103 MSXML 4 0 5 2 KB954430 Microsoft Corporation 8 9 2011 1 27MB 4 20 9870 0 MSXML 4 0 SP2 KB973688 Microsoft Corporation 8 9 2011 1 33MB 4 20 9876 0 js O2Micro Flash Memory Card Windows Driver O2Micro International LTD 7 23 2011 4 99 3 0 07 23 PerformanceTest v7 0 Passmark Software 10 6 2011 30 7MB 7 0 G PerformanceTest v7 0 64 bit Passmark Software 10 6 2011 32 4MB 7 0 E Roxio Creator Starter Roxio 7 23 2011 1 63GB 12 1 77 0 m Setupi Spirent Communications PAW 8 16 2011 23 6 MB 1 0 0 62 Silicon Laboratories USBXpress Development Kit Silicon Laboratories Inc 10 11 2011 3 1 1 mu UTF 8 TeraTerm Pro with TTSSH2 4 53 10 11 2011 Visual Studio 2010 Prerequisites English Microsoft Corporation 9 9 2011 5 82MB 10 0 30319 5 visual Studio 2010 Tools for SQL Server Compact 3 5 SP2 Microsoft Corporation 9 9 2011 10 7 MB 4 0 8080 0 VR5 HD Spatial Channel Emulator mmunications 10 10 2011 web Browser 9 7 2011 1 0 0 0 Web Deployment Tool f orporation 9 9 2011 3 09MB 1 1 0618 Windows Driver Package Dell Inc PBADRV System __ 8 9 2011 09 11 2009 1 0 1 E Windows Live Essentials 2011 Microsoft Corporation 7 23 2011 15 4 3508 1109 Windows Live Mesh ActiveX Control for Remote Connections Microsoft Corporation 7 23 2011 5 57MB 15 4 5722 2 WindowsFormsApplication 1 Spirent Communications Wireless 9 8 2011 1 0 0 5 4 4 Spirent Communications Pro
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