CHAPTER 1 Overview of Wireless Networks 1
1.1 Introduction 2
1.2 Different Generations of Wireless Networks 12
1.3 Structure of the Book 21
Appendix 1A Backbone Networks for Wireless Access 26
Appendix 1B Summaryof Important Standards Organizations 33
Questions 34
PART ONE PRINCIPLES OF AIR-INTERFACE DESIGN 37
CHAPTER 2 Characteristics of the Wireless Medium 39
2.1 Introduction 40
2.2 Radio Propagation Mechanisms 44
2.3 Path-Loss Modeling and Signal Coverage 46
2.4 Effects of Multipath and Doppler 58
2.5 Channel Measurement and Modeling Techniques 68
2.6 Simulation of the Radio Channel 71
Appendix 2A What is dB? 76
Appendix2B Wired Media 77
Appendix 2C Path Loss Models 79
Appendix 2D Wideband Channel Models 79
Questions 80
Problems 81
CHAPTER 3 Physical Layer Alternatives for Wireless Networks 85
3.1 Introduction 86
3.2 Applied Wireless Transmission Techniques 91
3.3 Short Distance Baseband Transmission 92
3.4 UWB Pulse Transmission 94
3.5 Carrier Modulated Transmission 96
3.6 Traditional Digital Cellular Transmission 96
3.7 Broadband Modems for Higher Speeds 108
3.8 Spread Spectrum Transmissions 111
3.9 High-Speed Modems for Spread Spectrum Technology 118
3.10 Diversity and Smart Receiving Techniques 120
3.11 Comparison of Modulation Schemes 133
3.12 Coding Techniques for Wireless Communications 137
3.13 A Brief Overview of Software Radio 142
Appendix 3A Performance of Communication Systems 143
Appendix 3B Coding and Correlation 150
Questions 155
Problems 156
CHAPTER 4 Wireless Medium Access Alternatives 159
4.1 Introduction 160
4.2 Fixed-Assignment Access for Voice-Oriented Networks 161
4.3 Random Access for Data-Oriented Networks 179
4.4 Integration of Voice and Data Traffic 201
Questions 214
Problems 217
PART TWO PRINCIPLES OF WIRELESS NETWORK OPERATION 221
CHAPTER 5 Network Planning 223
5.1 Introduction 224
5.2 Wireless Network Topologies 225
5.3 Cellular Topology 229
5.4 Cell Fundamentals 234
5.5 Signal-to-Interference Ratio Calculation 237
5.6 Capacity Expansion Techniques 240
5.7 Network Planning for CDMA Systems 260
Questions 263
Problems 263
CHAPTER 6 Wireless Network Operation 265
6.1 Introduction 266
6.2 Mobility Management 266
6.3 Radio Resources and Power Management 284
6.4 Security in Wireless Networks 297
Appendix 6A The Diffie-Hellman(DH)Key Exchange Protocol 311
Appendix 6B Nonrepudiation and Digital Signatures 312
Questions 313
Problems 313
PART THREE WIRELESS WANS 317
CHAPTER 7 GSM and TDMA Technology 319
7.1 Introduction 320
7.2 What Is GSM? 321
7.3 Mechanisms to Support a Mobile Environment 327
7.4 Communications in the Infrastructure 332
Questions 346
Problems 346
CHAPTER 8 CDMA Technology,IS-95,and IMT-2000 349
8.1 Introduction 350
8.2 Reference Architecture for North American Systems 351
8.3 What Is CDMA? 355
8.4 IMT-2000 371
Questions 376
Problems 376
CHAPTER 9 Mobile Data Networks 379
9.1 Introduction 380
9.2 The Data-Oriented CDPD Network 383
9.3 GPRS and Higher Data Rates 394
9.4 Short Messaging Service in GSM 405
9.5 Mobile Application Protocols 407
Questions 410
Problems 411
PART FOUR LOCAL BROADBAND AND AD HOC NETWORKS 413
CHAPTER 10 Introduction to Wireless LANs 415
10.1 Introduction 416
10.2 Historical Overview of the LAN Industry 416
10.3 Evolution of the WLAN Industry 420
10.4 New Interest from Military and Service Providers 426
10.5 A New Explosion of Market and Technology 430
10.6 Wireless Home Networking 431
Questions 444
Problems 445
CHAPTER 11 IEEE 802.11 WLANs 447
11.2 What Is IEEE 802.11? 448
11.1 Introduction 448
11.3 The PHY Layer 452
11.4 MAC Sublayer 460
11.5 MAC Management Sublayer 466
Questions 470
Problems 471
CHAPTER 12 Wireless ATM and HIPERLAN 473
12.1 Introduction 474
12.2 What Is Wireless ATM? 475
12.3 What Is HIPERLAN? 481
12.4 HIPERLAN-2 485
Questions 496
Problems 497
CHAPTER 13 Ad Hoc Networking and WPAN 499
13.1 Introduction 500
13.2 What Is IEEE 802.15 WPAN? 500
13.3 What Is HomeRF? 501
13.4 What Is Bluetooth? 503
13.5 Interference between Bluetooth and 802.11 520
Questions 530
Problems 531
CHAPTER 14 Wireless Geolocation Systems 533
14.1 Introduction 534
14.2 What Is Wireless Geolocation? 534
14.3 Wireless Geolocation System Architecture 536
14.4 Technologies for Wireless Geolocation 538
14.5 Geolocation Standards for E-911 Services 546
14.6 Performance Measures for Geolocation Systems 547
Questions 550
Problems 551
Acronyms and Abbreviations 553
References 561
Index 573
About the Authors 583