LEADER 05478nam 22006374a 450 001 9910830321203321 005 20230617040525.0 010 $a1-280-27634-7 010 $a9786610276349 010 $a0-470-09153-3 010 $a0-470-09152-5 035 $a(CKB)1000000000356557 035 $a(EBL)239052 035 $a(OCoLC)77516169 035 $a(SSID)ssj0000211102 035 $a(PQKBManifestationID)11189896 035 $a(PQKBTitleCode)TC0000211102 035 $a(PQKBWorkID)10292860 035 $a(PQKB)11211059 035 $a(MiAaPQ)EBC239052 035 $a(EXLCZ)991000000000356557 100 $a20050208d2005 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 00$aNext generation mobile systems$b[electronic resource] $e3G and beyond /$fedited by Minoru Etoh 210 $aChichester, England ;$aHoboken, NJ $cJohn Wiley$dc2005 215 $a1 online resource (406 p.) 300 $aDescription based upon print version of record. 311 $a0-470-09151-7 320 $aIncludes bibliographical references and index. 327 $aNext Generation Mobile Systems 3G and Beyond; Contents; Foreword; Preface; Acknowledgments; List of Contributors; I A Vision for the Next Generation; 1 Evolution of Mobile Networks and Services; 1.1 The Evolution ofMobile Networks; 1.2 Trends inMobile Services; 1.3 Why Next-generation (XG)Mobile Systems?; 1.4 Next-generation Imperatives; 1.4.1 Radio Access Networks (RAN); 1.4.2 IP Backbone; 1.4.3 Ubiquitous Service Platform; 2 The All-IP Next-generation Network Architecture; 2.1 Introduction; 2.2 3G Architectures; 2.2.1 UMTS; 2.2.2 CDMA2000; 2.2.3 MWIF; 2.2.4 Limitations of 3G Architectures 327 $a2.3 Approach to a Next-generation Architecture2.3.1 Rationale and Key Features; 2.3.2 Architecture Overview; 2.4 Conclusions; II Overview of Mobile Network Technologies; 3 Radio Access Technologies in Cellular Networks; 3.1 Introduction; 3.1.1 Current Radio Access Technologies; 3.1.2 Evolving Radio Access Technologies; 3.2 Background of Radio Access Technologies; 3.2.1 Propagation Characteristics in Mobile Environments; 3.2.2 Basic Multiple Access Schemes in Cellular Systems; 3.2.3 Principles of DS-CDMA and IS-95; 3.3 Radio Access Technologies in Wideband CDMA; 3.3.1 W-CDMA 327 $a3.3.2 Spreading Codes and Asynchronous Operation3.3.3 Orthogonal Multi-SF Downlink; 3.3.4 Turbo Codes; 3.3.5 Coherent Rake Combining; 3.3.6 Transmission Power Control; 3.4 High-speed Transmission Technologies in HSDPA; 3.4.1 Adaptive Modulation and Coding; 3.4.2 Hybrid ARQ; 3.4.3 Fast Cell Selection; 3.5 Radio Access Technologies for Next-generation Systems; 3.5.1 Technical Requirements; 3.5.2 Potential Solutions for Downlink Transmission; 3.5.3 Potential Solutions for Uplink Transmission; 3.6 Broadband Radio Access Schemes for XG Systems; 3.6.1 VSF-OFCDM for Downlink Transmission 327 $a3.6.2 VSCRF-CDMA for Uplink Transmissions3.7 Conclusions; 4 Wireless LAN Evolution; 4.1 Introduction; 4.1.1 Overview of CurrentWLAN Standards; 4.2 Basic Technologies in IEEE 802.11 WLAN; 4.2.1 MAC Technologies; 4.2.2 PHY Technologies; 4.3 Evolution ofWLAN; 4.3.1 Higher Data Rates and Low Power Consumption; 4.3.2 Extended Coverage Areas and Scalability; 4.3.3 Coexistence of Access Devices; 4.3.4 Seamless Mobility Support; 4.3.5 Location Estimation byWLAN; 4.3.6 Differentiated Services Support; 4.3.7 Quality of Service Assurance for Real-time Applications; 4.3.8 Enhanced Security 327 $a4.4 Mobility Support4.4.1 Fast Channel Scanning; 4.4.2 Fast Authentication; 4.5 Quality of Service; 4.5.1 EDCA and HCCA; 4.6 Security; 5 IP Mobility; 5.1 Introduction; 5.2 The Internet Architecture; 5.2.1 The End-to-end Principle; 5.2.2 Internet Architectural Elements; 5.2.3 IP Addresses and Routing Topologies; 5.2.4 Fully Quali.ed Domain Names and DNS; 5.3 Network Layer Mobility in the Internet; 5.3.1 BasicMobile IP; 5.3.2 Routing Inef.ciencies; 5.3.3 Mobile IP Handover; 5.3.4 AAA and Security; 5.4 Achieving Seamless Mobility; 5.4.1 Header Compression; 5.4.2 Context Transfer 327 $a5.4.3 Intertechnology Handover 330 $aWhat will the future of wireless communications look like? What drives mobile communications systems beyond 3G? In Next Generation Mobile Systems the authors answer these questions and others surrounding the new technologies. The book examines the current research issues driving the wireless world and provides an inclusive overview of how established technologies will evolve to suit next generation mobile systems. While the term '4G' already dominates research in industry and academia, there are still numerous hurdles to take before this ambitious concept can become 606 $aWireless communication systems$xTechnological innovations 606 $aCell phone systems$xTechnological innovations 606 $aMobile communication systems$xTechnological innovations 615 0$aWireless communication systems$xTechnological innovations. 615 0$aCell phone systems$xTechnological innovations. 615 0$aMobile communication systems$xTechnological innovations. 676 $a621.3821 676 $a621.38456 701 $aEtoh$b Minoru$01696385 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910830321203321 996 $aNext generation mobile systems$94076331 997 $aUNINA