本书系统、全面地介绍了无线移动通信的基本理论,分析了无线移动通信所涉及的各个主题,包括无线移动信号的传输、蜂窝的基本概念、多路无线接入、多址技术、调制技术、信道分配技术、通信系统的设计、网络协议、现有的蜂窝系统、IEEE 802系列技术、Ad Hoc网络与传感器网络、无线网络的安全性与隐私问题、卫星通信系统等。为了加强对书中概念的理解,各章还给出了开拓思维的实验。
谭明新,博士,毕业于哈尔滨工程大学,现在华中师范大学信息技术系任教授。从事《现代交换技术》、《通信原理》、《信息论与编码》、《移动通信》、《数据通信》、《微波通信》等课程的教学工作。舰载数字程控交换系统国产化的技术骨干;主持国防科工委基金项目《turbo码在舰载通信系统中的应用研究》。
目 录
CHAPTER 1 Introduction 1
1.1 History of Cellular Systems 1
1.2 Characteristics of Cellular Systems 12
1.3 Fundamentals of Cellular Systems 15
1.4 Cellular System Infrastructure 21
1.5 Network Protocols 24
1.6 IEEE 802.11 Technologies 24
1.7 Ad Hoc Networks 25
1.8 Sensor Networks 26
1.9 Wireless MANs, LANs, BANs, and PANs 27
1.10 Security and Privacy in Wireless Networks 28
1.11 Satellite Systems 28
1.12 Recent Advances 29
1.13 Outline of the Book 29
1.14 References 30
1.15 Problems 31
Chapter 2 Mobile Radio Propagation 33
2.1 Introduction 33
2.2 Types of Radio Waves 33
2.3 Propagation Mechanisms 34
2.4 Free Space Propagation 35
2.5 Land Propagation 37
2.6 Path Loss 39
2.7 Slow Fading 41
2.8 Fast Fading 43
2.8.1 Statistical Characteristics of the Envelope 43
2.8.2 Characteristics of Instantaneous Amplitude 46
2.9 Doppler Effect 48
2.10 Delay Spread 50
2.11 Intersymbol Interference 51
2.12 Coherence Bandwidth 52
2.13 Cochannel Interference 52
2.14 Summary 53
2.15 References 53
2.16 Experiments 54
2.17 Open-Ended Projects 55
2.18 Problems 55
Chapter 3 Cellular Concept 58
3.1 Introduction 58
3.2 Cell Area 58
3.3 Signal Strength and Cell Parameters 60
3.4 Capacity of a Cell 64
3.5 Frequency Reuse 66
3.6 How to Form a Cluster 67
3.7 Cochannel Interference 70
3.8 Cell Splitting 72
3.9 Cell Sectoring 72
3.10 Summary 75
3.11 References 75
3.12 Experiments 75
3.13 Open-Ended Projects 77
3.14 Problems 77
Chapter 4 Multiple Radio Access 81
4.1 Introduction 81
4.2 Multiple Radio Access Protocols 82
4.3 Contention-Based Protocols 83
4.3.1 Pure ALOHA 84
4.3.2 Slotted ALOHA 85
4.3.3 CSMA 86
4.3.4 CSMA/CD 90
4.3.5 CSMA/CA 91
4.4 Comparison of CSMA/CD and CSMA/CA 95
4.5 Summary 95
4.6 References 95
4.7 Experiments 97
4.8 Open-Ended Projects 98
4.9 Problems 98
Chapter 5 Multiple Division Techniques 100
5.1 Introduction 100
5.2 Concepts and Models for Multiple Divisions 100
5.2.1 FDMA 101
5.2.2 TDMA 103
5.2.3 CDMA 105
5.2.4 OFDM 110
5.2.5 SDMA 112
5.2.6 Comparison of Multiple Division Techniques 113
5.3 Modulation Techniques 114
5.3.1 Amplitude Modulation (AM) 114
5.3.2 Frequency Modulation (FM) 114
5.3.3 FSK 116
5.3.4 Phase Shift Keying (PSK) 116
5.3.5 Quadrature Phase Shift Keying (QPSK) 117
5.3.6 π/4QPSK 117
5.3.7 Quadrature Amplitude Modulation (QAM) 119
5.3.8 16QAM 119
5.4 Summary 120
5.5 References 121
5.6 Experiments 121
5.7 Open-Ended Projects 122
5.8 Problems 122
Chapter 6 Channel Allocation 125
6.1 Introduction 125
6.2 Static Allocation versus Dynamic Allocation 126
6.3 Fixed Channel Allocation (FCA) 126
6.3.1 Simple Borrowing Schemes 127
6.3.2 Complex Borrowing Schemes 127
6.4 Dynamic Channel Allocation (DCA) 130
6.4.1 Centralized Dynamic Channel Allocation Schemes 130
6.4.2 Distributed Dynamic Channel Allocation Schemes 131
6.5 Hybrid Channel Allocation (HCA) 132
6.5.1 Hybrid Channel Allocation (HCA) Schemes 132
6.5.2 Flexible Channel Allocation Schemes 133
6.6 Allocation in Specialized System Structure 133
6.6.1 Channel Allocation in One-Dimensional Systems 133
6.6.2 Reuse Partitioning-Based Channel Allocation 134
6.6.3 Overlapped Cells?CBased Channel Allocation 135
6.7 System Modeling 137
6.7.1 Basic Modeling 137
6.7.2 Modeling for Channel Reservation 139
6.8 Summary 140
6.9 References 141
6.10 Experiments 141
6.11 Open-Ended Projects 143
6.12 Problems 143
Chapter 7 Mobile Communication Systems 147
7.1 Introduction 147
7.2 Cellular System Infrastructure 147
7.3 Registration 151
7.4 Handoff Parameters and Underlying Support 153
7.4.1 Parameters Influencing Handoff 153
7.4.2 Handoff Underlying Support 154
7.5 Roaming Support 156
7.5.1 Home Agents, Foreign Agents, and Mobile IP 157
7.5.2 Rerouting in Backbone Routers 159
7.6 Multicasting 161
7.7 Ultra-Wideband Technology 164
7.7.1 UWB System Characteristics 164
7.7.2 UWB Signal Propagation 165
7.7.3 Current Status and Applications of UWB Technology 165
7.7.4 Difference between UWB and Spread Spectrum Techniques 166
7.7.5 UWB Technology Advantages 166
7.7.6 UWB Technology Drawbacks 167
7.7.7 Challenges for UWB Technology 167
7.7.8 Future Directions 168
7.8 Femto Cell Network 168
7.8.1 Technical Features 168
7.8.2 Challenges 171
7.9 Summary 173
7.10 References 173
7.11 Experiments 175
7.12 Open-Ended Problem 176
7.13 Problems 176
Chapter 8 Network Protocols 179
8.1 Introduction 179
8.1.1 Layer 1: Physical Layer 180
8.1.2 Layer 2: Data Link Layer 181
8.1.3 Layer 3: Network Layer 181
8.1.4 Layer 4: Transport Layer 181
8.1.5 Layer 5: Session Layer 181
8.1.6 Layer 6: Presentation Layer 182
8.1.7 Layer 7: Application Layer 182
8.2 TCP/IP Protocol 182
8.2.1 Physical and Data Link Layers 182
8.2.2 Network Layer 183
8.2.3 TCP 185
8.2.4 Application Layer 185
8.2.5 Routing Using Bellman-Ford Algorithm 185
8.3 TCP over Wireless 186
8.3.1 Need for TCP over Wireless 186
8.3.2 Limitations of Wired Version of TCP 187
8.3.3 Solutions for Wireless Environment 187
8.3.4 Link Layer Protocols 189
8.4 Internet Protocol Version 6 (IPv6) 190
8.4.1 Transition from IPv4 to IPv6 190
8.4.2 IPv6 Header Format 192
8.4.3 Features of IPv6 192
8.4.4 Differences between IPv6 and IPv4 193
8.5 Summary 193
8.6 References 193
8.7 Experiment 195
8.8 Open-Ended Project 195
8.9 Problems 196
Chapter 9 Existing Wireless Systems 198
9.1 Introduction 198
9.2 AMPS 198
9.2.1 Characteristics of AMPS 199
9.2.2 Operation of AMPS 199
9.2.3 General Working of AMPS Phone System 202
9.3 IS-41 203
9.3.1 Introduction 203
9.3.2 Support Operations 205
9.4 GSM 205
9.4.1 Frequency Bands and Channels 206
9.4.2 Frames in GSM 208
9.4.3 Identity Numbers Used by a GSM System 209
9.4.4 Interfaces, Planes, and Layers of GSM 211
9.4.5 Handoff 213
9.4.6 Short Message Service (SMS) 214
9.5 IS-95 214
9.5.1 Power Control 217
9.6 IMT-2000 219
9.6.1 International Spectrum Allocation 220
9.6.2 Services Provided by Third-Generation Cellular Systems (3G) 220
9.6.3 Harmonized Third-Generation Systems 221
9.6.4 Multimedia Messaging Service (MMS) 222
9.6.5 Universal Mobile Telecommunications System (UMTS) 223
9.7 Summary 227
9.8 References 228
9.9 Problems 228
Chapter 10 IEEE 802.11 Technologies and Access Points 230
10.1 Introduction 230
10.2 Downlink Transfer of Information 231
10.3 Uplink Transfer of Information 235
10.3.1 Uplink Transfer of Information with RTS/CTS 235
10.4 Variants of 802.11 Series Protocols 238
10.4.1 IEEE 802.11b 239
10.4.2 IEEE 802.11g 240
10.4.3 IEEE 802.11n 240
10.4.4 IEEE 802.11ac 241
10.5 WiFi Access in Airplanes 243
10.6 Summary 244
10.7 References 244
10.8 Experiment 245
10.9 Open-Ended Project 245
10.10 Problems 245
Chapter 11 Ad Hoc Networks 247
11.1 Introduction 247
11.2 Characteristics of MANETs 249
11.3 Applications 250
11.4 Routing 251
11.4.1 Need for Routing 251
11.4.2 Routing Classification 252
11.5 Table-Driven Routing Protocols 253
11.5.1 Destination-Sequenced Distance-Vector Routing 253
11.5.2 Cluster Formation in a MANET 254
11.5.3 Cluster Head Selection 254
11.5.4 Cluster Head Gateway Switch Routing 254
11.5.5 Wireless Routing Protocol 256
11.6 Source-Initiated On-Demand Routing 257
11.6.1 Ad Hoc On-Demand Distance Vector Routing 257
11.6.2 Dynamic Source Routing 258
11.6.3 Temporarily Ordered Routing Algorithm (TORA) 260
11.6.4 Associativity-Based Routing 262
11.6.5 Signal Stability-Based Routing 263
11.7 Hybrid Protocols 264
11.7.1 Zone Ro