Details

WCDMA


WCDMA

Requirements and Practical Design
1. Aufl.

von: Rudolf Tanner, Jason Woodard

114,99 €

Verlag: Wiley
Format: PDF
Veröffentl.: 28.01.2005
ISBN/EAN: 9780470861783
Sprache: englisch
Anzahl Seiten: 452

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Beschreibungen

WCDMA (Wideband Code Division Multiple Access), an ITU standard derived from code division multiple access (CDMA) is officially known as IMT-2000 direct spread. WCDMA is a third generation mobile wireless technology offering much higher data speeds to mobile and portable wireless devices than commonly offered in today’s market.  WCDMA is a relatively new technology and there is little information in the public domain about specific design issues. The proposed book will discuss UMTS/WCDMA from the perspective of a potential development engineer, who may have experience of GSM but none of WCDMA technology. The book will outline the design specifications and potential problems and solutions faced by by an engineer designing a mobile device such as a handset. <p><i>WCDMA: Requirements and Practical Design:</i></p> <ul type="disc"> <li>Offers in-depth coverage of the critical issues in designing a UMTS handset modem.</li> <li>Discusses the practical design elements of a UMTS modem.</li> <li>Authored by leaders in their field, working at Ubinetics. </li> </ul> <p>Highly relevant to professional software engineers, Design engineers, Electrical engineers (RF base-band, DSP software, protocol software), technical managers, postgraduate students and academics.</p>
Preface xvii <p>Acknowledgements xix</p> <p>Abbreviations xxi</p> <p>1 Introduction 1</p> <p>1.1 Evolution and Revolution of Mobile Telephony 1</p> <p>1.2 The Third Generation Partnership Project 9</p> <p>1.3 3GPP Terminology 13</p> <p>1.4 The Journey of a Bit 14</p> <p>1.5 Structure of the Book 18</p> <p>2 RF and Baseband Processing 19</p> <p>2.1 Introduction 19</p> <p>2.2 UMTS Radio Requirements 20</p> <p>2.3 Receiver RF Design 25</p> <p>2.4 Receiver Baseband Design 36</p> <p>2.5 Transmitter Baseband Design 48</p> <p>2.6 Transmitter RF Design 52</p> <p>2.7 Future Trends 64</p> <p>3 Physical Layer Chip Rate Processing 67</p> <p>3.1 Introduction 67</p> <p>3.2 Spreading and Scrambling 70</p> <p>3.3 Physical Channels 75</p> <p>3.4 The Receiver 84</p> <p>3.5 Cell Search 95</p> <p>3.6 Power Control 98</p> <p>3.7 Handover 101</p> <p>3.8 Transmit Diversity in the Downlink 104</p> <p>3.9 Physical Layer Procedures 107<br /><br />3.10 Measurements 109</p> <p>3.11 Compressed Mode 112</p> <p>4 Physical Layer Bit Rate Processing 123</p> <p>4.1 Introduction 123</p> <p>4.2 Transport Channels, Formats and Combinations 124</p> <p>4.3 Overview of the Bit Rate Processing Chain 129</p> <p>4.4 Rate Matching 142</p> <p>4.5 Convolutional Encoding and Decoding 153</p> <p>4.6 Turbo Encoding and Decoding 167</p> <p>4.7 TFC Detection 188</p> <p>4.8 Compressed Mode and the BRP 192</p> <p>4.9 BRP Limitations for Different TrCHs and CCTrCHs 196</p> <p>4.10 Conclusions 197</p> <p>5 Type Approval Testing: A Case Study 199</p> <p>5.1 Introduction 199</p> <p>5.2 History: the Making of the 3GPP DPCH BLER Requirements 202</p> <p>5.3 Lab Testing 202</p> <p>5.4 Exemplary Measurement Results 218</p> <p>6 Medium Access Control 221</p> <p>6.1 Introduction 221</p> <p>6.2 MAC Functional Partitioning 226</p> <p>6.3 MAC Receive Functionality 230</p> <p>6.4 MAC Transmit Functionality 234</p> <p>7 Radio Link Control 239</p> <p>7.1 Introduction 239</p> <p>7.2 Transparent Data Transfer Service 243</p> <p>7.3 Unacknowledged Data Transfer Service 245</p> <p>7.4 Acknowledged Data Transfer Service 250</p> <p>8 PDCP 261</p> <p>8.1 Introduction 261</p> <p>8.2 Overall Architecture 263</p> <p>8.3 PDCP Interface 264</p> <p>8.4 Header Compression 268<br /><br />8.5 SRNS Relocation 271</p> <p>8.6 PDCP Header Formats 273</p> <p>8.7 Handling an Invalid PDU Type and PID 276</p> <p>9 Broadcast/Multicast Control 277</p> <p>9.1 Introduction 277</p> <p>9.2 CTCH Scheduling 279</p> <p>10 RRC 285</p> <p>10.1 Introduction 285</p> <p>10.2 Cell Selection and Reselection 292</p> <p>10.3 Reception of Broadcast System Information 294</p> <p>10.4 Paging and Notification 298</p> <p>10.5 Establishment, Maintenance and Release of an RRC Connection Between the UE and UTRAN 299</p> <p>10.6 Establishment, Reconfiguration and Release of Radio Access Bearers 300</p> <p>10.7 Assignment, Reconfiguration and Release of Radio Resources for the RRC Connection 301</p> <p>10.8 RRC Connection Mobility Functions 302</p> <p>10.9 Routeing of Higher Layer PDUs 303</p> <p>10.10 Control of Requested QoS 304</p> <p>10.11 UE Measurements 305</p> <p>10.12 Power Control 319</p> <p>10.13 Arbitration of Radio Resources on Uplink DCH 320</p> <p>10.14 Integrity Protection 320</p> <p>10.15 Ciphering Management 321</p> <p>10.16 PDCP Control 322</p> <p>10.17 CBS Control 323</p> <p>11 Speech Coding for UMTS 327</p> <p>11.1 Introduction – the Adaptive Multirate (AMR) Speech Codec 327</p> <p>11.2 AMR Structure 328</p> <p>11.3 Linear Prediction Analysis 330</p> <p>11.4 LSF Quantization 330</p> <p>11.5 Pitch Analysis 330</p> <p>11.6 Fixed Codebook with Algebraic Structure 331</p> <p>11.7 Post Processing 332</p> <p>11.8 The AMR Codec’s bit Allocation 332</p> <p>11.9 Speech Codec’s Error Sensitivity 334</p> <p>11.10 Conclusions 334</p> <p>12 Future Developments 335</p> <p>12.1 Introduction 335</p> <p>12.2 3GPP Release 5: HSDPA 336</p> <p>12.3 Location-based Services 359</p> <p>12.4 CPICH Interference Cancellation and Mitigation 365</p> <p>12.5 Transmit Diversity for Multiple Antennas 369<br /><br />12.6 Improved Baseband Algorithms and Technology Trends 372<br /><br />A Appendix A: ML detection for uncoded QPSK 391</p> <p>B Appendix B: SIR computation 395</p> <p><i>References 399</i></p> <p><i>Index 417</i></p>
<p>Rudolf Tanner and Jason Woodard are the authors of WCDMA: Requirements and Practical Design, published by Wiley.
<b><i>WCDMA-Requirements and Practical Design</i></b> discusses direct sequence CDMA, a well-established technology used in both second and third generation wireless standards. The authors provide practical information on the design, development and implementation of a WCDMA modem and protocol software. <p>Written in a methodical and highly accessible manner this book will appeal to professional communications engineers and software and hardware engineers, along with postgraduate students and academics.</p> <p>The book:</p> <ul> <li>Addresses all aspects of the development of a WCDMA (UMTS) handset from the RF chain through the physical and protocol layers to the speech codec.</li> <li>Combines introductions to the 3GPP FDD WCDMA standard and practical engineering aspects of the development of user equipment allowing for a better understanding of the specifications.</li> <li>Discusses the physical layer, including the Rake receiver and turbo decoder, and the protocol layers giving the reader a comprehensive overview of the technology involved.</li> <li>Provides engineers with practical tips and advice from the engineers who develop WCDMA user equipment.</li> </ul> <p><b><i>WCDMA-Requirements and Practical Design</i></b> is an invaluable and practical reference, written by engineers developing third generation wireless technology. Its explanation of the specifications and potential problems with solutions will be extremely useful for those designing a 3G mobile wireless device.</p>

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