List of Tables and Figures
Preface
About the Author
About the Reviewers
About the Contributors
Chapter 1 Welcome to the Revolution 1
* Evolving Wireless Applications 2
·Personal Positioning 3
·Vehicle Positioning 4
·Meter Reading 5
·Mobile Banking and Finance 5
·Brick and Mortar Shopping 6
·Email 7
·Wireless Docking 7
·Web Surfing 8
·LAN Access and Mobility Ports 8
* Book Preview 8
·Communications Basics 9
·AMPS 9
·D-AMPS 9
·GSM 10
·CDMA 10
·The WAP Suite 10
·LMDS 11
·MMDS 11
·Bluetooth 11
·Wireless LANS 12
Chapter 2 Communications Basics 13
* Powets of 10 14
* Frequency 15* Wavelength 16
* The Frequency Spectrum 17
* Bandwidth 18
* Power Measurements 18
·Bel 19
·Decibel 20
·Decibel above 1 mW 20
* Signal-to-Noise Ratio 21
* Propagation Loss 23
* Transmission Rate Constraints 24
·Nyquist Relationship 25
·Shannon's Law 27
* Radiofrequency Spectrum Allocation 28
·U.S.Spectrum Allocation 28
·Band Nomenclature 29
·Applications 31
Chapter 3 AMPS 33
* Evolution 34
* Components 36
·Component Relationship 36
* Network Access 37
* Frequency Utilization 37
·Frequency Allocation 38
·Channel Center Frequencies 41
·Channel Utilization 41
* Signaling 51
·Voice-Channel Signaling 52
·Cochannel Interference 53
* Data over AMPS 54
·Case Study and Lessons Learned 54
·Operating Rates 56
·Cellular-Ready Modem Protocols 56
Chapter 4 D-AMPS 63
* Overview 64
* TDMA 65
·Advantages 67
·Disadvantages 67
* Digital Radio 67
* Voice-Coding Methods 68
·Channel Banks 68
·PCM 68
·TDM and Line Driver 70
·Waveform Coding 70
·Voice Coding 70
·Hybrid Coding 71
* Modulation 72
* Baud Rate 72
* TDM Operation 73
·Frames 73
·Time-Slot Format 75
·Digital Channel Traffic Signaling 77
·Control Channel Operations 78
* The IS-136 Digital Control Channel 78
·PCS Overview 79
·Extended Battery Life 80
·Frequency Utilization 81
·Logical Channels 81
·Superframes and Hyperframes 84
* The PCSLayered Model 84
* PCS Messaging 86
* Modem Operations 86
Chapter 5 GSM 87
* Evolution 88
* Frequency Allocation 88
* Governing Body 89
* GSM Services 89
·Voice Transport 90
·Data Services 90
·Bearer Services 91
·Teleservices 91
·Supplementary Services 92
·The Subscriber ldentity Module 93
* Frequency Allocation 94
·Initial European GSM 94
·United Kingdom GSM 95
·PCS 1900 96
* TDMA Operations 97
·Time -Slot Utilization 98
* Speech Coding 98
* Framing and Channel Organization 99
·The GSM Multiframe 99
* Data over GSM 103
·Modem Incompatibility 103
·Adapter Use 103
* Information Transfer Modes 104
* Inbound Data/Fax 104
* Data Compression 105
* Short Message Service 105
·Features 106
·Utilization 108
·SMS Centers 109
·Using the Internet 109
Chapter 6 CDMA 113
* Evolution 114
·CITA Requirements 114
·Deployments 115
·IS-95 115
* Overview 115
·Comparison With AMPS and TDMA 116
·Capacity 118
·Frequency Allocation 118
·Speech Coding 122
* Channel Structure 124
·Downlink Channels 124
·Uplink Channels 129
* CDMA Data Services 131
·The CDMA Air-Interface Protocol Stack 131
·SMS 137
* 3G-CDMA 138
·UMTS/IMT-2000 138
·CDMA2000 139
Chapter 7 The WAP Protocol Suite 143
* Overview 144
·Evolution 144
·Basic Components 145
·Architecture 146
* Wireless Datagram Protocol 152
·Port Number Use 152
·The Adaptation Layer 154
·Protocol Operation 154
* Wireless Transport Layer Security 158
·Connection Management 159
·Encryption Support 159
* The Wireless Application Environment 162
·Components 163
·The Wireless Markup Language 163
Chapter 8 Local Multipoint Distribution Service 175
* Overview 176
* Frequency Allocation 177
·Frequency Blocks 177
·Frequency Bands 178
·Bandwidth and Capacity 178
* Architecture 180
·Frequency Considerations 180
·The LMDS Cell 180
·Base Station 182
·The Network Interface Unit 183
·Access Methods 184
·Modulation 186
* System Capacity 188
·FDMA 188
·TDMA 190
·Increasing Cell Capacity 190
* LMDS Advantages 191* LMDS Disadvantages 191
Chapter 9 Multichannel Multipoint Distribution System 193
* Overview 194
·Frequency Band 195
·Potential Market 195
·Basic Architecture 195
·Advantages of Use 196
·Potential Disadvantages 196
* Evolution 196
·MDS 197
·MMDS 197
* Frequency Assignments 199
* Transmission Methods 202
·Multipath Communications 202
·Minimizing Multipath Reflections 203
* Summary 207
Chapter 10 Bluetooth 209
* Rationale 210
·Compatibility Problems 210
·Bluetooth to the Rescue 211
·Potential Utilization 211* Evolution 213
·The Code Name 213
* Overview 214
* Comparison with Infrared(IR) 215
* System Architecture 215
·Master-Slave Relationship 216
·Power Requirements 216
·Power Operating Modes 217
·Interface Support 218
·The Protocol Stack 218
·Adopted Protocols 221
* Communications Channels 221
·Networking 222
Chapter 11 Wireless LSNs 229
* General Characteristics 230
·Spread Spectrum Technology 230
* Applications 238
·Inventory Control 238
·Hospital 238
·Hotel 239
·Training 239
·Trade Shows 239
·Wireless Rationale 240
* The IEEE 802.11 Wireless LAN Standard 240
·Initial Effort 240
·Basic Configuration 241
* Frequency Selection 241
* Environment 242
* Architecture 242
·Operation 261
* Wireless Home Networking 265
·Overview 265
·System Requirements 265
·Technical Characteristics 266
·Appendix A 271
·Appendix B 291
·Appendix C 309
·Glossary 321
Index 331
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