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3G 移动通讯好书一本
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(Artech House) Introduction to 3G Mobile Communications_2nd edition
Contents
Preface xv
Acknowledgments xvii
1 Overview 1
1.1 History of Mobile Cellular Systems 1
1.1.1 First Generation 1
1.1.2 Second Generation 2
1.1.3 Generation 2.5 5
1.2 Overview of 3G 8
1.3 Proposals for 3G Standard 10
1.3.1 WCDMA 10
1.3.2 Advanced TDMA 11
1.3.3 Hybrid CDMA/TDMA 12
1.3.4 OFDM 12
1.3.5 IMT-2000 13
1.4 3GPP 14
1.4.1 TDD 15
1.4.2 TD-SCDMA 18
1.5 3GPP2 20
1.6 3G Evolution Paths 23
References 24
2 Principles of CDMA 25
2.1 Radio-Channel Access Schemes 25
2.2 Spread Spectrum 28
2.3 RAKE Receiver 32
2.4 Power Control 32
2.5 Handovers 37
2.5.1 Soft Handover 38
2.5.2 Relocation 41
2.5.3 Hard Handover 44
2.5.4 Intersystem Handovers 45
2.6 Multiuser Detection 47
References 48
v
3 WCDMA Air Interface: Physical Layer 49
3.1 General 49
3.1.1 Forward Error Correction Encoding/Decoding 52
3.1.2 Radio Measurements and Indications to Higher Layers 53
3.1.3 Macrodiversity Distribution/Combining and Soft Handover
Execution 55
3.1.4 Error Detection on Transport Channels 56
3.1.5 Multiplexing of Transport Channels and Demultiplexing of
CCTrCHs 57
3.1.6 Rate Matching 57
3.1.7 Mapping of CCTrCHs on Physical Channels 57
3.1.8 Modulation, Spreading/Demodulation, and Despreading
of Physical Channels 58
3.1.9 Frequency and Time Synchronization 60
3.1.10 Inner-Loop Power Control 61
3.1.11 Power Weighting and Combining of Physical Channels 64
3.1.12 RF Processing 66
3.1.13 Timing Advance on Uplink Channels 69
3.1.14 Support of Uplink Synchronization 70
3.2 Channels 70
3.2.1 Logical Channels 71
3.2.2 Transport Channels 72
3.2.3 Physical Channels 74
3.2.4 Shared Channels 78
3.2.5 Channel Mapping 80
3.3 Spreading and Scrambling Codes 81
3.4 Diversity 83
3.4.1 Time Diversity 83
3.4.2 Multipath Diversity 84
3.4.3 Macrodiversity 85
3.4.4 Antenna Diversity 87
3.5 Transport Formats 92
3.6 Data Through Layer 1 97
References 99
4 Modulation Techniques and Spread Spectrum 101
4.1 Spreading Techniques 101
4.1.1 DS-CDMA 101
4.1.2 Frequency-Hopping CDMA 101
4.1.3 Time-Hopping CDMA 102
4.1.4 Multicarrier CDMA 102
4.2 Data Modulation 104
References 109
I n t r o d u c t i o n t o 3 G M o b i l e C o m m u n i c a t i o n s
vi CONTENTS
5 Spreading Codes 111
5.1 Orthogonal Codes 112
5.2 PN Codes 114
5.3 Synchronization Codes 117
5.4 Autocorrelation and Cross-Correlation 118
5.5 Intercell Interference 119
References 119
6 Channel Coding 121
6.1 Coding Processes 121
6.2 Coding Theory 122
6.3 Block Codes 123
6.4 Convolutional Codes 125
6.5 Turbo Codes 127
6.6 Channel Coding in UTRAN 129
References 129
7 Wideband CDMA Air Interface: Protocol Stack 131
47.1 General Points 131
7.2 Control Plane 133
7.3 MAC 135
7.3.1 MAC Services 137
7.3.2 MAC Functions 137
7.3.3 TFC Selection 142
7.4 RLC 143
7.4.1 RLC Services 145
7.4.2 RLC Functions 147
7.5 RRC 148
7.5.1 RRC Services 148
7.5.2 RRC Functions 148
7.6 RRC Protocol States 183
7.7 Location Management in UTRAN 187
7.8 Core Network Protocols in the Air Interface 190
7.8.1 Circuit-Switched Core Network 190
7.8.2 Packet-Switched Core Network 195
7.9 User Plane 196
7.10 Packet Data Convergence Protocol 196
7.11 Broadcast/Multicast Control 198
7.12 Data Protocols 200
7.13 Dual-System Protocol Stack in UE 201
References 202
I n t r o d u c t i o n t o 3 G M o b i l e C o m m u n i c a t i o n s
CONTENTS vii
8 Network 203
8.1 General Discussion 203
8.2 Evolution from GSM 204
8.3 UMTS Network Structure 206
8.4 Core Network 208
8.4.1 Mobile Switching Center 208
8.4.2 Visitor Location Register 209
8.4.3 Home Location Register 210
8.4.4 Equipment Identity Register 211
8.4.5 Authentication Center 212
8.4.6 Gateway MSC 212
8.4.7 Serving GPRS Support Node 212
8.4.8 Gateway GPRS Support Node 213
8.5 UMTS Terrestrial Radio Access Network 213
8.5.1 Radio Network Controller 214
8.5.2 Node B 215
8.6 GSM Radio Access Network 216
8.6.1 Base Station Controller 216
8.6.2 Base Transceiver Station 217
8.6.3 Small Base Transceiver Stations 218
8.7 Interfaces 221
8.7.1 A Interface 221
8.7.2 Gb Interface 222
8.7.3 Iu Interface 222
8.7.4 Iub Interface 226
8.7.5 Iur Interface 228
8.7.6 MAP Interfaces 230
8.8 Network Protocols 233
8.8.1 Asynchronous Transfer Mode 235
8.8.2 AAL2 and AAL5 235
8.8.3 Iu User Plane Protocol Layer 235
8.8.4 GPRS Tunnelling Protocol-User 236
8.8.5 SS7 MTP3-User Adaptation Layer 237
8.8.6 MAP (MAP-A Through MAP-M) 237
8.8.7 Message Transfer Part 237
8.8.8 Node B Application Part 237
8.8.9 Physical Layer (Below ATM) 238
8.8.10 Q.2150.1 239
8.8.11 Q.2630.1 239
8.8.12 Radio Access Network Application Part 239
8.8.13 Radio Network Subsystem Application Part 241
8.8.14 Signaling ATM Adaptation Layer 242
8.8.15 Service-Specific Coordination Function 242
I n t r o d u c t i o n t o 3 G M o b i l e C o m m u n i c a t i o n s
8.8.16 Service-Specific Connection-Oriented Protocol 242
8.8.17 Signaling Connection Control Part 243
8.8.18 Stream Control Transmission Protocol 243
8.8.19 UDP/IP 243
8.9 UMTS Network Evolution—Release 5 243
References 247
9 Network Planning 251
9.1 Importance of Network Planning 251
9.2 Differences Between TDMA and CDMA 251
9.3 Network Planning Terminology 255
9.4 Network Planning Process 256
9.4.1 Preparation Phase 256
9.4.2 Network Dimensioning 258
9.4.3 Detailed Radio-Network Planning 262
9.5 Network Planning in WCDMA 262
9.5.1 Pilot Pollution 263
9.5.2 SHO Parameters 263
9.5.3 HO Problems 263
9.5.4 Hierarchical Cells 264
9.5.5 Microcell Deployment 266
9.5.6 Picocell Deployment and Indoor Planning 267
9.5.7 Sectorization and Adaptive Antennas 269
9.5.8 Other Network Elements 271
9.6 Admission Control 272
9.7 Congestion Control 276
References 277
10 Network Management 279
10.1 Telecommunication-Management Architecture 279
10.1.1 Fault Management 280
10.1.2 Configuration Management 281
10.1.3 Performance Management 283
10.1.4 Roaming Management 284
10.1.5 Accounting Management 285
10.1.6 Subscription Management 285
10.1.7 QoS Management 286
10.1.8 User Equipment Management 286
10.1.9 Fraud Management 286
10.1.10 Security Management 287
10.1.11 Software Management 288
10.2 Charging 289
10.2.1 Charging of Circuit-Switched Services 291
I n t r o d u c t i o n t o 3 G M o b i l e C o m m u n i c a t i o n s
CONTENTS ix
10.2.2 Charging of Packet-Switched Services 292
10.3 Billing 293
10.4 Service Providers Versus Operators 298
References 300
11 Procedures 303
11.1 RRC Connection Procedures 303
11.1.1 RRC Connection Establishment 304
11.1.2 Signaling Connection Establishment 304
11.1.3 RRC Connection Release 304
11.2 Radio Bearer Procedures 306
11.2.1 Radio Bearer Establishment 306
11.2.2 Radio Bearer Release 313
11.2.3 Radio Bearer Reconfiguration 315
11.2.4 Transport Channel Reconfiguration 315
11.2.5 Physical Channel Reconfiguration 317
11.2.6 Control of Requested QoS 319
11.3 Data Transmission 323
11.4 Handovers 329
11.4.1 Soft Handover 329
11.4.2 Hard Handover 330
11.4.3 Intersystem Handovers 332
11.5 Random Access Procedure 340
References 342
12 New Concepts in the UMTS Network 343
12.1 Location Services 343
12.1.1 Cell-Coverage-Based Method 345
12.1.2 Observed Time Difference of Arrival 346
12.1.3 Network-Assisted Global Positioning System 349
12.1.4 Other Methods 351
12.1.5 Comparison of Location Methods 352
12.1.6 Service Categories 354
12.2 High-Speed Downlink Packet Access 355
12.3 Multimedia Broadcast/Multicast Service 358
12.3.1 Broadcast Service 360
12.3.2 Multicast Service 360
12.4 Multimedia Messaging Service 361
12.4.1 The Service 361
12.4.2 MMS Elements 363
12.4.3 MMS Protocols 366
12.5 Supercharger 367
12.6 Prepaging 370
I n t r o d u c t i o n t o 3 G M o b i l e C o m m u n i c a t i o n s
x CONTENTS
TEAMFLY
Team-Fly®
12.7 Gateway Location Register 374
12.8 Optimal Routing 378
12.9 Adaptive Multirate Codec 381
12.10 Support of Localized Service Area 384
12.11 Smart Antennas 386
References 392
13 3G Services 395
13.1 Service Categories 395
13.2 Teleservices 395
13.3 Bearer Services 397
13.4 Supplementary Services 399
13.5 Service Capabilities 399
13.6 QoS Classes 402
13.6.1 Conversational Real-Time Services 402
13.6.2 Interactive Services 403
13.6.3 Streaming Services 404
13.6.4 Background Services 405
13.6.5 QoS Service Classes and 3G Radio Interface 405
References 406
14 3G Applications 407
14.1 Justification for 3G 407
14.2 Path into the Market 409
14.3 Applications As Competition Tools 410
14.4 Application Technologies 411
14.4.1 Wireless Application Protocol 412
14.4.2 Java 412
14.4.3 BREW 412
14.4.4 Bluetooth 413
14.4.5 I-mode 413
14.4.6 Electronic Payment 413
14.4.7 IPv6 416
14.5 Multimedia 419
14.5.1 Application Types 419
14.5.2 Technical Problems 419
14.6 Traffic Characteristics of 3G Applications 422
14.7 M-commerce 424
14.8 Examples of 3G Applications 427
14.8.1 Voice 427
14.8.2 Messaging 428
14.8.3 Internet Access 429
14.8.4 Location-Based Applications 430
I n t r o d u c t i o n t o 3 G M o b i l e C o m m u n i c a t i o n s
CONTENTS xi
14.8.5 Games 431
14.8.6 Advertising 432
14.8.7 Betting and Gambling 432
14.8.8 Dating Applications 433
14.8.9 Adult Entertainment 433
14.9 Terminals 434
14.9.1 Voice Terminals 435
14.9.2 Multimedia Terminals 436
14.9.3 Navigation Devices 436
14.9.4 Game Devices 437
14.9.5 Machine-to-Machine Devices 437
References 438
15 The Future 441
15.1 New Spectrum 441
15.2 Satellites 443
15.2.1 The Market for MSS Networks 443
15.2.2 Satellite Orbits 445
15.2.3 Examples of MSS Systems 447
15.2.4 Location in Satellite Systems 454
15.2.5 Restricted Coverage 456
15.2.6 Diversity 457
15.2.7 Satellite Paging 458
15.2.8 IMT-2000 Satellite Component 459
15.3 3G Upgrades 459
15.4 Downlink Bottleneck 461
15.4.1 TDD 461
15.4.2 HSDPA 462
15.4.3 WLAN Interworking 463
15.4.4 Variable Duplex Distance 466
15.4.5 Hierarchical Cell Structures 468
15.4.6 Comparing the Schemes 468
15.5 4G Vision 472
References 476
16 Specifications 479
16.1 Specification Process 480
16.2 Releases 482
16.3 3GPP Specifications 484
16.3.1 Series Numbering 484
16.3.2 Version Numbering 485
16.3.3 Backwards Compatibility 486
Reference 486
I n t r o d u c t i o n t o 3 G M o b i l e C o m m u n i c a t i o n s
xii CONTENTS
Appendix A: Cellular User Statistics 487
Appendix B: 3GPP Specifications 491
Appendix C: Useful Web Addresses 509
Appendix D: Nokia Communicator 513
Appendix E: Standardization Organizations and Industry Groups 515
About the Author 523
Index 525
【文件名】:1048-(Artech House) Introduction to 3G Mobile Communications_2nd edition.zip
【目 录】:
Contents
Preface xv
Acknowledgments xvii
1 Overview 1
1.1 History of Mobile Cellular Systems 1
1.1.1 First Generation 1
1.1.2 Second Generation 2
1.1.3 Generation 2.5 5
1.2 Overview of 3G 8
1.3 Proposals for 3G Standard 10
1.3.1 WCDMA 10
1.3.2 Advanced TDMA 11
1.3.3 Hybrid CDMA/TDMA 12
1.3.4 OFDM 12
1.3.5 IMT-2000 13
1.4 3GPP 14
1.4.1 TDD 15
1.4.2 TD-SCDMA 18
1.5 3GPP2 20
1.6 3G Evolution Paths 23
References 24
2 Principles of CDMA 25
2.1 Radio-Channel Access Schemes 25
2.2 Spread Spectrum 28
2.3 RAKE Receiver 32
2.4 Power Control 32
2.5 Handovers 37
2.5.1 Soft Handover 38
2.5.2 Relocation 41
2.5.3 Hard Handover 44
2.5.4 Intersystem Handovers 45
2.6 Multiuser Detection 47
References 48
v
3 WCDMA Air Interface: Physical Layer 49
3.1 General 49
3.1.1 Forward Error Correction Encoding/Decoding 52
3.1.2 Radio Measurements and Indications to Higher Layers 53
3.1.3 Macrodiversity Distribution/Combining and Soft Handover
Execution 55
3.1.4 Error Detection on Transport Channels 56
3.1.5 Multiplexing of Transport Channels and Demultiplexing of
CCTrCHs 57
3.1.6 Rate Matching 57
3.1.7 Mapping of CCTrCHs on Physical Channels 57
3.1.8 Modulation, Spreading/Demodulation, and Despreading
of Physical Channels 58
3.1.9 Frequency and Time Synchronization 60
3.1.10 Inner-Loop Power Control 61
3.1.11 Power Weighting and Combining of Physical Channels 64
3.1.12 RF Processing 66
3.1.13 Timing Advance on Uplink Channels 69
3.1.14 Support of Uplink Synchronization 70
3.2 Channels 70
3.2.1 Logical Channels 71
3.2.2 Transport Channels 72
3.2.3 Physical Channels 74
3.2.4 Shared Channels 78
3.2.5 Channel Mapping 80
3.3 Spreading and Scrambling Codes 81
3.4 Diversity 83
3.4.1 Time Diversity 83
3.4.2 Multipath Diversity 84
3.4.3 Macrodiversity 85
3.4.4 Antenna Diversity 87
3.5 Transport Formats 92
3.6 Data Through Layer 1 97
References 99
4 Modulation Techniques and Spread Spectrum 101
4.1 Spreading Techniques 101
4.1.1 DS-CDMA 101
4.1.2 Frequency-Hopping CDMA 101
4.1.3 Time-Hopping CDMA 102
4.1.4 Multicarrier CDMA 102
4.2 Data Modulation 104
References 109
I n t r o d u c t i o n t o 3 G M o b i l e C o m m u n i c a t i o n s
vi CONTENTS
5 Spreading Codes 111
5.1 Orthogonal Codes 112
5.2 PN Codes 114
5.3 Synchronization Codes 117
5.4 Autocorrelation and Cross-Correlation 118
5.5 Intercell Interference 119
References 119
6 Channel Coding 121
6.1 Coding Processes 121
6.2 Coding Theory 122
6.3 Block Codes 123
6.4 Convolutional Codes 125
6.5 Turbo Codes 127
6.6 Channel Coding in UTRAN 129
References 129
7 Wideband CDMA Air Interface: Protocol Stack 131
47.1 General Points 131
7.2 Control Plane 133
7.3 MAC 135
7.3.1 MAC Services 137
7.3.2 MAC Functions 137
7.3.3 TFC Selection 142
7.4 RLC 143
7.4.1 RLC Services 145
7.4.2 RLC Functions 147
7.5 RRC 148
7.5.1 RRC Services 148
7.5.2 RRC Functions 148
7.6 RRC Protocol States 183
7.7 Location Management in UTRAN 187
7.8 Core Network Protocols in the Air Interface 190
7.8.1 Circuit-Switched Core Network 190
7.8.2 Packet-Switched Core Network 195
7.9 User Plane 196
7.10 Packet Data Convergence Protocol 196
7.11 Broadcast/Multicast Control 198
7.12 Data Protocols 200
7.13 Dual-System Protocol Stack in UE 201
References 202
I n t r o d u c t i o n t o 3 G M o b i l e C o m m u n i c a t i o n s
CONTENTS vii
8 Network 203
8.1 General Discussion 203
8.2 Evolution from GSM 204
8.3 UMTS Network Structure 206
8.4 Core Network 208
8.4.1 Mobile Switching Center 208
8.4.2 Visitor Location Register 209
8.4.3 Home Location Register 210
8.4.4 Equipment Identity Register 211
8.4.5 Authentication Center 212
8.4.6 Gateway MSC 212
8.4.7 Serving GPRS Support Node 212
8.4.8 Gateway GPRS Support Node 213
8.5 UMTS Terrestrial Radio Access Network 213
8.5.1 Radio Network Controller 214
8.5.2 Node B 215
8.6 GSM Radio Access Network 216
8.6.1 Base Station Controller 216
8.6.2 Base Transceiver Station 217
8.6.3 Small Base Transceiver Stations 218
8.7 Interfaces 221
8.7.1 A Interface 221
8.7.2 Gb Interface 222
8.7.3 Iu Interface 222
8.7.4 Iub Interface 226
8.7.5 Iur Interface 228
8.7.6 MAP Interfaces 230
8.8 Network Protocols 233
8.8.1 Asynchronous Transfer Mode 235
8.8.2 AAL2 and AAL5 235
8.8.3 Iu User Plane Protocol Layer 235
8.8.4 GPRS Tunnelling Protocol-User 236
8.8.5 SS7 MTP3-User Adaptation Layer 237
8.8.6 MAP (MAP-A Through MAP-M) 237
8.8.7 Message Transfer Part 237
8.8.8 Node B Application Part 237
8.8.9 Physical Layer (Below ATM) 238
8.8.10 Q.2150.1 239
8.8.11 Q.2630.1 239
8.8.12 Radio Access Network Application Part 239
8.8.13 Radio Network Subsystem Application Part 241
8.8.14 Signaling ATM Adaptation Layer 242
8.8.15 Service-Specific Coordination Function 242
I n t r o d u c t i o n t o 3 G M o b i l e C o m m u n i c a t i o n s
8.8.16 Service-Specific Connection-Oriented Protocol 242
8.8.17 Signaling Connection Control Part 243
8.8.18 Stream Control Transmission Protocol 243
8.8.19 UDP/IP 243
8.9 UMTS Network Evolution—Release 5 243
References 247
9 Network Planning 251
9.1 Importance of Network Planning 251
9.2 Differences Between TDMA and CDMA 251
9.3 Network Planning Terminology 255
9.4 Network Planning Process 256
9.4.1 Preparation Phase 256
9.4.2 Network Dimensioning 258
9.4.3 Detailed Radio-Network Planning 262
9.5 Network Planning in WCDMA 262
9.5.1 Pilot Pollution 263
9.5.2 SHO Parameters 263
9.5.3 HO Problems 263
9.5.4 Hierarchical Cells 264
9.5.5 Microcell Deployment 266
9.5.6 Picocell Deployment and Indoor Planning 267
9.5.7 Sectorization and Adaptive Antennas 269
9.5.8 Other Network Elements 271
9.6 Admission Control 272
9.7 Congestion Control 276
References 277
10 Network Management 279
10.1 Telecommunication-Management Architecture 279
10.1.1 Fault Management 280
10.1.2 Configuration Management 281
10.1.3 Performance Management 283
10.1.4 Roaming Management 284
10.1.5 Accounting Management 285
10.1.6 Subscription Management 285
10.1.7 QoS Management 286
10.1.8 User Equipment Management 286
10.1.9 Fraud Management 286
10.1.10 Security Management 287
10.1.11 Software Management 288
10.2 Charging 289
10.2.1 Charging of Circuit-Switched Services 291
I n t r o d u c t i o n t o 3 G M o b i l e C o m m u n i c a t i o n s
CONTENTS ix
10.2.2 Charging of Packet-Switched Services 292
10.3 Billing 293
10.4 Service Providers Versus Operators 298
References 300
11 Procedures 303
11.1 RRC Connection Procedures 303
11.1.1 RRC Connection Establishment 304
11.1.2 Signaling Connection Establishment 304
11.1.3 RRC Connection Release 304
11.2 Radio Bearer Procedures 306
11.2.1 Radio Bearer Establishment 306
11.2.2 Radio Bearer Release 313
11.2.3 Radio Bearer Reconfiguration 315
11.2.4 Transport Channel Reconfiguration 315
11.2.5 Physical Channel Reconfiguration 317
11.2.6 Control of Requested QoS 319
11.3 Data Transmission 323
11.4 Handovers 329
11.4.1 Soft Handover 329
11.4.2 Hard Handover 330
11.4.3 Intersystem Handovers 332
11.5 Random Access Procedure 340
References 342
12 New Concepts in the UMTS Network 343
12.1 Location Services 343
12.1.1 Cell-Coverage-Based Method 345
12.1.2 Observed Time Difference of Arrival 346
12.1.3 Network-Assisted Global Positioning System 349
12.1.4 Other Methods 351
12.1.5 Comparison of Location Methods 352
12.1.6 Service Categories 354
12.2 High-Speed Downlink Packet Access 355
12.3 Multimedia Broadcast/Multicast Service 358
12.3.1 Broadcast Service 360
12.3.2 Multicast Service 360
12.4 Multimedia Messaging Service 361
12.4.1 The Service 361
12.4.2 MMS Elements 363
12.4.3 MMS Protocols 366
12.5 Supercharger 367
12.6 Prepaging 370
I n t r o d u c t i o n t o 3 G M o b i l e C o m m u n i c a t i o n s
x CONTENTS
TEAMFLY
Team-Fly®
12.7 Gateway Location Register 374
12.8 Optimal Routing 378
12.9 Adaptive Multirate Codec 381
12.10 Support of Localized Service Area 384
12.11 Smart Antennas 386
References 392
13 3G Services 395
13.1 Service Categories 395
13.2 Teleservices 395
13.3 Bearer Services 397
13.4 Supplementary Services 399
13.5 Service Capabilities 399
13.6 QoS Classes 402
13.6.1 Conversational Real-Time Services 402
13.6.2 Interactive Services 403
13.6.3 Streaming Services 404
13.6.4 Background Services 405
13.6.5 QoS Service Classes and 3G Radio Interface 405
References 406
14 3G Applications 407
14.1 Justification for 3G 407
14.2 Path into the Market 409
14.3 Applications As Competition Tools 410
14.4 Application Technologies 411
14.4.1 Wireless Application Protocol 412
14.4.2 Java 412
14.4.3 BREW 412
14.4.4 Bluetooth 413
14.4.5 I-mode 413
14.4.6 Electronic Payment 413
14.4.7 IPv6 416
14.5 Multimedia 419
14.5.1 Application Types 419
14.5.2 Technical Problems 419
14.6 Traffic Characteristics of 3G Applications 422
14.7 M-commerce 424
14.8 Examples of 3G Applications 427
14.8.1 Voice 427
14.8.2 Messaging 428
14.8.3 Internet Access 429
14.8.4 Location-Based Applications 430
I n t r o d u c t i o n t o 3 G M o b i l e C o m m u n i c a t i o n s
CONTENTS xi
14.8.5 Games 431
14.8.6 Advertising 432
14.8.7 Betting and Gambling 432
14.8.8 Dating Applications 433
14.8.9 Adult Entertainment 433
14.9 Terminals 434
14.9.1 Voice Terminals 435
14.9.2 Multimedia Terminals 436
14.9.3 Navigation Devices 436
14.9.4 Game Devices 437
14.9.5 Machine-to-Machine Devices 437
References 438
15 The Future 441
15.1 New Spectrum 441
15.2 Satellites 443
15.2.1 The Market for MSS Networks 443
15.2.2 Satellite Orbits 445
15.2.3 Examples of MSS Systems 447
15.2.4 Location in Satellite Systems 454
15.2.5 Restricted Coverage 456
15.2.6 Diversity 457
15.2.7 Satellite Paging 458
15.2.8 IMT-2000 Satellite Component 459
15.3 3G Upgrades 459
15.4 Downlink Bottleneck 461
15.4.1 TDD 461
15.4.2 HSDPA 462
15.4.3 WLAN Interworking 463
15.4.4 Variable Duplex Distance 466
15.4.5 Hierarchical Cell Structures 468
15.4.6 Comparing the Schemes 468
15.5 4G Vision 472
References 476
16 Specifications 479
16.1 Specification Process 480
16.2 Releases 482
16.3 3GPP Specifications 484
16.3.1 Series Numbering 484
16.3.2 Version Numbering 485
16.3.3 Backwards Compatibility 486
Reference 486
I n t r o d u c t i o n t o 3 G M o b i l e C o m m u n i c a t i o n s
xii CONTENTS
Appendix A: Cellular User Statistics 487
Appendix B: 3GPP Specifications 491
Appendix C: Useful Web Addresses 509
Appendix D: Nokia Communicator 513
Appendix E: Standardization Organizations and Industry Groups 515
About the Author 523
Index 525
【文件名】:1048-(Artech House) Introduction to 3G Mobile Communications_2nd edition.zip
【目 录】:
这本书不错，自己顶一下
下载了的同学发表下看法，谢谢顶帖
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怕看不懂，算了
good book!
这本书不错，自己顶一下
这本书不错，帮你顶一个
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