05530nam 2200673Ia 450 991087763980332120200520144314.01-280-73953-397866107395300-470-02850-50-470-02849-1(CKB)1000000000357412(EBL)284439(OCoLC)163166949(SSID)ssj0000115154(PQKBManifestationID)11879008(PQKBTitleCode)TC0000115154(PQKBWorkID)10009269(PQKB)10304244(MiAaPQ)EBC284439(EXLCZ)99100000000035741220051102d2006 uy 0engur|n|---|||||txtccrBroadband wireless communications business an introduction to the costs and benefits of new technologies /Riaz EsmailzadehHoboken, NJ John Wiley & Sonsc20061 online resource (250 p.)Description based upon print version of record.0-470-01311-7 Includes bibliographical references and index.Broadband Wireless Communications Business; Contents; List of Figures; List of Tables; Preface; Acknowledgements; 1 Background; 1.1 Fixed-line Data Communications; 1.2 Mobile Communications; 1.3 Wireless Data Communications; 1.4 Broadband Wireless; 1.4.1 Edholm's Law; 1.5 Duplex Modes; 1.6 Voice to Data; 1.6.1 Voice-over internet protocol; 1.7 Traffic Profiles; 1.8 Access Technologies; 1.8.1 Frequency division multiple access; 1.8.2 Time division multiple access; 1.8.3 Code division multiple access; 1.8.4 Channel sense multiple access; 1.9 Telecommunications Operator Business1.9.1 From pipe to content provider1.9.2 Flat rate; Further Reading; 2 Wireless Communications; 2.1 Signal Fading; 2.1.1 Why fading?; 2.2 Modulation; 2.2.1 Signal constellation; 2.3 Equalisation; 2.3.1 Time domain equalisation; 2.3.2 Frequency domain equalisation; 2.3.3 Code/multi-user domain equalisation; 2.4 Single Carrier and Multi Carrier; 2.4.1 Spread spectrum; 2.4.2 Orthogonal frequency division multiplexing; 2.4.3 Orthogonal frequency-code division multiplexing; 2.4.4 Transmission power fluctuation; 2.5 Diversity Reception; 2.5.1 Diversity combining methods; 2.5.2 Selection combining2.5.3 Maximum ratio combining2.6 Channel Coding; 2.6.1 Turbo codes; 2.6.2 LDPC codes; 2.6.3 Coding rate; 2.7 From Circuit Switched to Packet Switched; 2.7.1 Shared channels; 2.7.2 Packet scheduling; 2.7.3 Header compression; 2.7.4 Wireless VoIP; 2.7.5 Quality of service; 2.8 System Capacity; 2.8.1 Shannon theorem; 2.8.2 Trunking efficiency; 2.9 Coverage; 2.9.1 Link budget; 2.9.2 Multi-hop; Further Reading; 3 Enhancing Technologies; 3.1 Frequency Reuse; 3.1.1 Noise limited; 3.1.2 Interference limited; 3.2 Capacity Limit; 3.2.1 Capacity in the presence of interference3.3 Signal and Interference3.3.1 Downlink; 3.3.2 Uplink; 3.4 Advanced Antennas; 3.4.1 Directional antennas; 3.4.2 Adaptive array antennas; 3.5 Coverage Extension; 3.5.1 Coverage extension using adaptive array antennas; 3.6 Interference Reduction; 3.6.1 Interference cancellation; 3.6.2 Joint detection; 3.6.3 Interference avoidance; 3.7 Hybrid ARQ; 3.7.1 Chase combining; 3.7.2 Incremental redundancy; 3.8 MIMO Antennas; 3.9 Voice Coding; Further Reading; 4 Cellular Topologies; 4.1 Cell Structure; 4.1.1 Macro-cell; 4.1.2 Micro-cell; 4.1.3 Pico-cell; 4.1.4 Umbrella structure; 4.1.5 Repeaters4.1.6 Distributed antenna systems4.2 Wireless LAN Cellular Structure; 4.3 Distributed Base Stations; 4.3.1 Uplink distributed base stations; 4.3.2 Downlink distributed base stations; 4.3.3 Public-private multi-hop; 4.4 Mini-cell Structure; 4.5 Handover; 4.6 Ad hoc Networking; Further Reading; 5 Cost of Spectrum; 5.1 Voice Systems; 5.1.1 FDMA systems; 5.1.2 TDMA systems; 5.1.3 CDMA systems; 5.2 Data Systems; 5.2.1 Peak throughput; 5.2.2 Average throughput; 5.2.3 Minimum throughput; 5.3 Data Throughput Efficiency; 5.3.1 WCDMA HSDPA; 5.3.2 WCDMA uplink; 5.3.3 TD-CDMA HSDPA; 5.3.4 WiMAX5.3.5 DoCoMo test systemWith the emergence of broadband wireless communication systems, new business opportunities have appeared for operators, content provides, and manufacturers. Broadband wireless communications technologies promise the freedom of constant access to the Internet at high speeds, without the limitation of connection cables. Broadband Wireless Communications Business provides comprehensive coverage of the present status and future evolution of these technologies, giving vital practical cost and benefit advice on design, construction and implementation. The author focuses on the costs Information technologyEconomic aspectsTelecommunicationEconomic aspectsBroadband communication systemsWireless communication systemsInformation technologyEconomic aspects.TelecommunicationEconomic aspects.Broadband communication systems.Wireless communication systems.338.76213845384.3621.384Esmailzadeh Riaz621750MiAaPQMiAaPQMiAaPQBOOK9910877639803321Broadband wireless communications business4185859UNINA