無線數(shù)據(jù)傳輸網(wǎng)絡(luò)：藍牙、WAP和WLAN

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