Functional Specifications - School of Engineering Science
Contents
1. Edina 3 2 3 Electrical ie iiia 3 24 Physical 1 E 3 2 5 Environmental 4 2 6 Standard 5 a aa ae Eee 4 2 7 Safety and Packaging 4 2 6 Performance and Usability 4 3 BASE STATION MODULE 5 3 1 General 5 3 2 Performance Requirements isian a a AE 5 3 3 Physical sente iis TEE O EREE aS 6 4 RECEIVER STATION MODULE ssccssccsecsssnssseeseatscnssarssennscsssessoensscessuasocacesesessesrastsesesae 6 4 1 General niini 6 42 Interfacing Performance 6 4 3 Seamer entre nae ee ne oer rey Bren re Aer ener Se 7 5 WIRELESS TRANSMISSION MODULE scccssssscssssescessncssccesssccsnsensecsacsessneseccencensenes 7 5 1 General E 7 5 2 Interfacing Per2. February 20 2006 Dr Andrew Rawicz School of Engineering Science Simon Fraser University Burnaby British Columbia V5A 156 Re ENSC 440 Functional Specifications for a Wireless Cell Phone Docking Station Dear Dr Rawicz The attached document Functional Specifications for a Wireless Cell Phone Docking Station is written by Websa Technology Ltd and describes the functional requirements for our Wireless Mobile Dock system We are developing a mobile phone to home phone communication system which allows the user to dock his or her cell phone and use normal corded or cordless home phones to make and receive cellular phone calls This functional specification outlines a set of high level requirements and goals for system functionality at the proof of concept phase production phase and future development phase of the system The specification and test plans for each individual module are also included and our design team will use this document as the basis for research and development Websa Technology consists of five talented innovative and dedicated fifth year engineering students Wilson Kwong CEO Andy Leung CFO Stephen Au Yeung COO Edwin Wong CTO Hardware and Bobby Ho CTO Software If you have any questions about this document or the project in general please feel free to contact us at websa ensc440 sfu ca Thank you Sincerely Wilson Kwong Chief Executive Officer Websa Technology Lt
3. Determine if there is a link between the two wireless modules embedded in the BSM and RSM Full System Functionality Determine if the corded or cordless handset rings when a call is dialed to the cell phone via audible inspection Verify that an outgoing call can be placed on the cell phone by dialing from the corded or cordless handset Establish incoming and outgoing conversations for one minute Verify that the voice signal at either receiving end is clear with minimal noise or distortion as acceptable by the average user Verify that voice signals during a two way conversation is audible with minimal noise or distortion as acceptable by the average user Determine if the cell phone disconnects the call when the handset is placed on hook Copyright 2006 Websa Technology Ltd 11 Functional Specifications for a Wireless Cell Phone Docking Station 8 Conclusion The requirements set in this document clearly define the hard limits on the features of Websa Technology Ltd s Wireless Mobile Dock system Through these specifications our design team is confident that the prototype version of the WMD system will demonstrate all the stated requirements by the proposed completion date of April 2006 To ensure that the prototype version will achieve all the desired aspects specified comprehensive test plans for each module and an overall system test plan will be executed to finalize the prototype system Copyright
4. Spanish Traditional and Simplified Chinese and Japanese for international markets The company will have customer service and technical support phone lines Copyright 2006 Websa Technology Ltd 8 Functional Specifications for a Wireless Phone Docking Station 7 System Test Plan To ensure that our proof of concept prototype functions according to the set requirements preliminary test plans have been written and are presented below In general the approach to system testing will be to first test the individual modules then test a combination of two modules and finally test the full system More detailed testing procedures will surface when the design and implementation stages are reached 7 1 Base Station Module User Interface Features e Dock the cell phone via the adapter and verify its communication link with the BSM e Carry out visual and physical inspection to ensure secure physical connection between the cell phone and the adapter e Verify proper indication lights illuminate as required Basic Functionality e Provide power to the unit and verify the unit is receiving the proper amount of voltage e Verify the module can detect incoming cell phone calls by calling the cell phone e Determine if input to the cell phone via direct key presses is still possible Performance Verifications Place a call to the cell phone and establish a conversation for real voice signal input and verify t
5. 2006 Websa Technology Ltd 12 Functional Specifications for a Wireless Cell Phone Docking Station 9 1 2 3 4 5 References Answers com 2006 Room Temperature 16 Feb 2006 lt http www answers com topic room temperature gt Minnesota Blue Flame Gas Association 2004 Humidity and the Indoor Environment 16 Feb 2006 lt http www blueflame org datasheets humidity html gt Wikipedia 12 Feb 2006 Atmospheric Pressure 15 Feb 2006 lt http en wikipedia org wiki Atmospheric_pressure gt Federal Communication Commission 19 Sept 2005 47 CFR Part 15 lt http ftp fcc gov oet info rules part15 part15 91905 pdf gt CSA Group 2006 CSA Group 18 Feb 2006 lt http www csagroup org gt Copyright 2006 Websa Technology Ltd 13
6. 5 1 General Requirements R62 I The module must operate from inside the BSM and the RSM R63 I The module will monitor its connection status between BSM and RSM R64 T The module shall operate between frequencies of 8300MHz and 950MHz R65 T The module will be operational if the distance between BSM and RSM is within 50 meters R66 I The module must support wireless communication between one base station and one receiver station 667 0 Wireless communication must use the industrial scientific and medical ISM frequency band as standardized by the International Telecommunication Union ITU R68 III The module must support wireless communication between multiple base stations and multiple receiver stations simultaneously with all prototype features R69 III The module will support data encryption to improve wireless security 5 2 Interfacing Performance Requirements R70 I The unit must communicate and interface with the base station R71 I The unit must communicate and interface with the receiver station 5 3 Data Transmission Performance Requirements R72 I Wireless transmission must support full duplex data communication relaying instructions and commands between one BSM and one RSM Copyright 2006 Websa Technology Ltd 7 Functional Specifications for a Wireless Phone Docking Station 73 1 Wireless transmission must support duplex data communication relaying instr
7. time in conversations meet requirements e Verify that voice quality is acceptable to the average user Note Full system integration is required before the above performance verifications can be carried out 7 3 Wireless Transmission Module Functionality Verification e Input various data bits at one transmission end to simulate instructions and data and verify that the received bytes after one way wireless transmission are correct with minimal packet loss Performance Verification e Input various data bits at both transmission ends simultaneously to simulate instructions and data Verify that the wireless communication supports full duplex communication by checking that the received data at both ends are correct with minimal packet loss Radio Transmission e Verify that the radio frequency RF chips used for wireless transmission are able to support a full duplex voice communication Copyright 2006 Websa Technology Ltd 10 Functional Specifications for a Wireless Phone Docking Station 7 4 Overall System The tests below are designed to verify the full system functionality provided that the individual modules have passed all of the above tests except where stated Note that the WTM must first be integrated with both the BSM and RSM before full system test can commence Embedded Wireless Module Determine if the WTM can properly packetize and de packetize outgoing and incoming data respectively
8. ation Module SMPI Smart Mobile to Phone Interface SPI Serial Peripheral Interface WMD Wireless Mobile Dock WTM Wireless Transmission Module Copyright 2006 Websa Technology Ltd iv Functional Specifications for a Wireless Phone Docking Station 1 Introduction The Wireless Mobile Dock WMD system is wireless cell phone docking station that provides users the ability to make outgoing and receive incoming cellular phone calls via the use of a normal corded or cordless telephone The WMD system will help users maximize comfort convenience and efficiency while engaging in conversations over their cell phones In addition the WMD system can potentially lower monthly expenses for the user through the possible elimination of a telephone land line The intended completion date of the WMD system is April 2006 where the final prototype will satisfy the minimum requirements stated henceforth 1 1 Scope This document describes the functional requirements that the WMD System must satisfy The requirements listed fully describe the prototype system and partially describes the production system as well as the future product model requirements The development for the WMD system is broken down into three sub modules the base station module BSM the receiver station module RSM and the wireless transmission module WTM A general set of system requirements that all modules must satisfy will first be pre
9. cate and send commands to the cell phone via Attention AT commands The module will communicate with the WTM The module shall extract and forward control voice signal from to the cell phone Acknowledgements shall be received from the cell phone The module shall receive interrupts from the cell phone Control data and voice data shall be distinguished by the module Retransmission of data due to errors will occur when requested The module shall be able to understand call waiting signals The module shall provide cell phone charging capability Copyright 2006 Websa Technology Ltd 5 Functional Specifications for a Wireless Phone Docking Station R44 II Incoming caller ID shall be forwarded to the receiver station R45 II The unit shall not interfere with other communication devices R46 III Short Message Service SMS content from the cell phone shall be forwarded to SMS capable telephone handsets 47 Cell phone battery status will be forwarded to handsets capable of receiving this type of information 3 3 Physical Requirements R48 II The module will allow secure docking of the cell phone R49 II The cell phone adapter will be attached securely R50 II Various cell phone model docking adapters will be available 4 Receiver Station Module The RSM is intended to output receive signals required generated by a normal corded cordless telephone 4 1 General Requirements R51 II The module w
10. d Enclosure Functional Specifications for a Wireless Cell Phone Docking Station FUNCTIONAL SPECIFICATION al HIRELESS CELLPHONE DOCKINS STATION Functional Specifications for a Wireless Phone Docking Station Executive Summary Imagine being able to use your cell phone like you would with a normal telephone Imagine the ability to just pick up the phone and dial without having to worry about poor reception or running out of batteries Websa Technology Ltd has the perfect solution with the development of the Wireless Mobile Dock a docking station which allows one to dock his her cell phone and use normal corded or cordless home phones to make and receive cellular phone calls The functional specifications here contained will be comparable to current market products The project itself is divided into three phases The proof of concept prototype phase the production ready phase and the future expansion phase The proof of concept prototype will possess the following features 1 Ability to interface with a cell phone 2 Ability to interface with a normal corded telephone 3 Wireless transmission capability between cell phone base station and corded telephone receiver station The production model will include all prototype features as well as 1 Complete printed circuit board PCB fabrication in a compact and attractive package 2 Docking adapters for various cell phone models 3 Various i
11. d RSM shall be no more than 15cm width x 10cm length x 5cm height with the embedded R12 II modules will look sleek and attractive Copyright 2006 Websa Technology Ltd 3 Functional Specifications for a Wireless Phone Docking Station 2 5 Environmental Requirements R13 I The module will be functional in normal room temperatures between 20 to 25 C 1 R14 I The module will be functional under normal room humidity between approximately 15 40 2 R15 I The module will operate under normal atmospheric pressure below 16 psi 3 2 6 Standards R16 II The system will be in compliance with FCC part 15 4 R17 II The system will be certified under CE and CSA regulations 5 2 7 Safety and Packaging Requirements R18 II All components will prevent electrical shocks and physical injuries R19 II Screws will be used to secure the unit to prevent children from opening R20 II The modules will not contain sharp edges or corners R21 II The package must comprise of a rigid and water resistant body structure to protect internal circuitry R22 II The package must be able to withstand fall impact from 1 m above ground R23 II The package must be able to protect the internal circuits from high frequency interference and other surrounding noise disturbance via insulation or other considerations R24 II The package must provide a slip resistant base to prevent fall
12. formance Requirements 7 5 3 Data Transmission Performance 7 54 Voice Transmission Performance 8 3 3 Physical Requirements 8 6 USER DOCUMENTATION AND SUPPORT 8 Copyright 2006 Websa Technology Ltd iii Functional Specifications for a Wireless Phone Docking Station 7 SYSTEM TEST PAN icsesicscscsass sasssccsccsecssscasosdcssoseccesssssnccscsscesscesesacsensosseccessec socseess 9 7 1 Base Station 9 12 Receiver Station 9 7 3 Wireless Transmission Module 74 Overall 8 CONCLUSION 9 REFERENCES List of Figures Figure 2 1 Functional interaction between modules Glossary AT Attention BSM Base Station Module Dual tone multi frequency ISM Industrial Scientific and Medical ITU International Telecommunication Union MCU Microcontroller Unit PCB Printed Circuit Board RSM Receiver St
13. hese voice signals are being captured and made ready for wireless transmission e Stimulate errors and verify the module can recover from them e Verify that the module can handle interrupts generated by the cell phone e Verify that the module can distinguish control data AT commands from voice data 7 2 Receiver Station Module User Interface Features e Pick up telephone handset and verify a dial tone can be heard Push numbers 0 9 and and listen for their distinctive DTMF tones e Leave handset off hook for a predetermined length of time to trigger off hook notification tone Copyright 2006 Websa Technology Ltd 9 Functional Specifications for a Wireless Phone Docking Station Functionality Verification e Verify the unit is receiving the correct voltage when power is supplied e Dial a 10 digit local outgoing call to verify that the module understands that it needs to relay this command to the WTM e Trigger the busy signal bit within the module and determine if the busy signal is what average users are accustomed to e Test if the handset rings by triggering the proper control bit in the module Trigger call in progress signal and determine the response of the module to additional key presses of the telephone handset Performance Verifications e Take note of the length of time between the push of the last digit and the first sounds of a call in progress e Determine if latency
14. ill have an indication light when it is powered R52 I The module will have built in speakerphone capability 4 2 Interfacing Performance Requirements R53 I The module will recognize touch tone key presses generated by telephones R54 I The user shall experience outgoing call delay time analogous to the delay time produced by the cell phone R55 T The module will ring the connected telephone when there is an incoming cell phone call R56 I A dial tone will be produced when the telephone is off hook R57 I The module will generate a notification tone if telephone is accidentally off hook for a predetermined amount of time R58 I The module will communicate directly with the WTM R59 I Cell phone calls will terminate when the telephone transitions from off hook to on hook Copyright 2006 Websa Technology Ltd 6 Functional Specifications for a Wireless Phone Docking Station 4 3 Physical Requirements R60 II module must provide a secure connection to the handset cord R61 III The module will allow for land line connection 5 Wireless Transmission Module The purpose of module is to establish the connection between the BSM and the RSM It will transmit the signals the BSM extracts from the cell phone to the RSM and relay the signals generated by the RSM to the BSM This connection is similar to the streaming of the telephone conversation via a corded connection
15. nd the BSM will request the cell phone to begin delivering the voice signals As soon as the WTM streams the voice signals a conversation can be established A similar signal relay concept is applied for voice signals generated from the RSM An analogous process is applied to outgoing calls The essential requirement for the Wireless Mobile Dock is that users must not feel a discontinuity in their conversation or hear echoing of their own voices The WMD system aims to provide clients with the same experience as if they were using traditional land line telephone systems 2 2 General Requirements R1 IT The retail price of the WMD system shall be less than 100 CDN 2 The modules will have wireless link indication light indicating communication between the BSM and RSM R3 IT The modules will have a power on off switch 2 3 Electrical Requirements R4 T Operational voltage for the modules will be under 12V DC R5 IT The power adapter will be usable with a typical North American wall supply of 110V 120V at 60 Hz AC R6 II The power cord for the power adapters shall have a length no less than 2 m R7 IT The modules will be in low power consumption mode when idle 2 4 Physical Requirements 68 1 circuitries will be implemented on PCBs R9 II The modules power supply connection will be secure R10 II module including WTM must not exceed one kilogram in weight R11 II two modules BSM an
16. ndication lights to inform the user of system behaviors 4 Intuitive and easy to understand user interfacing 5 User s Manual Finally the features considered for future expansion are 1 Ability to dock more than one cell phone at the base station module 2 Use of central routing to interface between base station and multiple corded cordless handsets around the home or office A proof of concept prototype of the Wireless Mobile Dock system will be completed by April 2006 Copyright 2006 Websa Technology Ltd ii Functional Specifications for a Wireless Phone Docking Station Table of Contents EXECUTIVE SUMMARY manne TABLE OF CONTENTS sscsssessssesxvessvnsvessesvsvanssdensessvuesssanesessesssustguesecesneavssesnessstensvsosenvavassterven LIST OF FIGURES IV GLOSSARY IV 1 DI OLEA y CO N P E E E A E 1 1 1 SCOPO eaea a a E E eer 1 1 2 Jotended Audiente innecesarias eee alee ees 1 1 3 OS REEERE 1 2 SYSTEM REQUIREMENTS 5 secsssssessneess sesvessoveessessesveosusvevnvessunnesssnvnsvenssveneesvounsvevsseosvens 2 2 1 System aii e 2 2 2 General
17. s 2 8 Performance and Usability Requirements R25 T System operation will not be affected by high frequency interference R26 II The system must have a user friendly interface plug and play R27 II System operation must be easy to learn Copyright 2006 Websa Technology Ltd 4 Functional Specifications for a Wireless Phone Docking Station 3 Base Station Module The purposes of the BSM are the following 1 To provide the interface between the cell phone and the Wireless Mobile Dock system 2 To extract the necessary cell phone signals to deliver to the WTM 3 To receive the necessary corded phone signals from the WTM and feed them into the cell phone for conversation purposes 3 1 General Requirements R28 IT R29 IT 30 1 31 1 The module will have an indication light when cell phone has been docked An indication light will be illuminated on the unit when cell phone is charging The module will provide docking for multiple cell phones The module will be capable of Central Routing 3 2 Performance Requirements R32 I 633 1 R34 I R35 I 636 1 R37 I 638 1 639 1 640 1 641 1 R42 IT 43 The module shall detect incoming and outgoing calls The module will monitor cell phone connection status at all times Transmission latency will be in a range that will not interrupt conversations The module must be able to communi
18. sented Specific sub module requirements will then be outlined to further detail system functionalities Finally the performance and operation of our prototype will be verified by the included test plans 1 2 Intended Audience This functional specification is intended for use by all members of Websa Technology Ltd and is intended to ensure that the WMD System developed by Websa meets all specified requirements In addition this document may serve as a tool for marketing to arrange various sales strategies in the future 1 3 Convention Throughout this document each functional requirement will be assigned a requirement number with the following convention Rn X A functional requirement where n is the functional requirement number and X is the priority of the functional requirement which takes on one of the following three values I The requirement applies to proof of concept model and production model The requirement applies to production model The requirement will be considered in future product models only Copyright 2006 Websa Technology Ltd 1 Functional Specifications for a Wireless Phone Docking Station 2 System Requirements The Wireless Mobile Dock system will conform to an overall set of requirements Specific module requirements will then be presented in subsequent sections 2 1 System Overview Websa s Wireless Mobile Dock consists of three main modules the Base S
19. tation module BSM Wireless Transmission module WTM and Receiver Station module RSM Figure 2 1 shows the functional interaction between the modules Note that the module is embedded into both the BSM and RSM Request for Cell Phone signal Phone Respond with requested signal SMPI Base Station Forward signal to Receiver Station Receive signal from Receiver Station Wireless Transmission Unit Base Station Side Wireless Transmission Unit Receiver Station Side Receive signal from Base Station Forward signal to Base Station Respond with requested signal SMPI aa Home Phone Receiver Station Handset Request for Handset signal Figure 2 1 Functional interaction between modules Copyright 2006 Websa Technology Ltd 2 Functional Specifications for a Wireless Phone Docking Station General module descriptions and system operation are given as followed The BSM is responsible for providing cell phone docking and interfacing capability It will constantly monitor the cell phone status and upon receiving an incoming cell phone call interrupt the BSM will send a notification to the RSM via the Smart Mobile to Phone Interface SMPI Signals from the SMPI are relayed by The RSM upon receiving notification of an incoming call will attempt to ring the telephone When the telephone is picked up the RSM will notify the BSM a
20. uctions and commands between multiple BSM and multiple RSM 5 4 Voice Transmission Performance Requirements R74 I 75 1 76 1 Wireless transmission must support real time full duplex voice communication between one base station and one receiver station Transmitted voice must be understandable and not highly distorted Wireless transmission must support real time full duplex voice communication between multiple base stations and multiple receiver stations 5 5 Physical Requirements R77 I 78 Size of antenna must be less than 10cm 2cm 2cm Weight of wireless module must be less than one pound 6 User Documentation and Support 79 680 1 R81 IT R82 IT R83 IT R84 IT R85 IT User documentation will include a user s manual written in English with proper supporting figures The user s manual must be written for an audience with minimal knowledge of the operation of electronic devices The company website written in English shall provide general and technical support information and a Frequently Asked Questions page A list of compatible phones and available adapters will be included on the company website Regular updates to this list will be made as the system expands to support more cell phone models The user s manual will include a list of compatible phones User documentation and company website shall be provided additional languages including French
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