Ulteriori informazioni
Informationen zum Autor Heikki Kaaranen, Cellular System Consultant, OY Aqua Records Ltd, Jokela, FINLAND. Ari Ahtiainen, Senior Research Manager, Nokia Research Center, Mobile Networks, Nokia Group, FINLAND. Lauri Laitinen, Senior Research Engineer, Nokia Research Center, Mobile Networks, Nokia Group, FINLAND. Siamäk Naghian, Competence Manager, NET IP Mobile Networks, Nokia Networks, Nokia Group, FINLAND. Valtteri Niemi, Nokia Research Center, Mobile Networks, Nokia Group, FINLAND. Klappentext Building on the success of the first edition, UMTS Networks second edition allows readers to continue their journey through UMTS up to the latest 3GPP standardization phase, Release 5. Containing revised, updated and brand new material, it provides a comprehensive view on the UMTS network architecture and its latest developments. Accompanied by numerous illustrations, the practical approach of the book benefits from the authors' pioneering research and training in this field.* Provides a broad yet detailed overview of the latest worldwide developments in UMTS technology.* Includes brand new sections on the IP Multimedia Subsystem and High Speed Downlink Packet Access according to 3GPP Release 5 specifications.* Contains heavily revised sections on the evolution from GSM to UMTS Multi-access, the UMTS Radio Access Network, the UMTS Core Network and services.* Includes updated versions on services in the UMTS environment, security in the UMTS environment and UMTS protocols.* Illustrates all points with cutting-edge practical examples gleaned from the authors' research and training at the forefront of UMTS.The illustrative, hands-on approach will appeal to operators, equipment vendors, systems designers, developers and marketing professionals who require comprehensive, practical information on the latest developments in UMTS. This second edition will also benefit students and researchers in the field of mobile networking. Zusammenfassung Allows readers to continue their journey through UMTS up to the various 3GPP standardization phase, Release 5. This book provides a comprehensive view on the UMTS network architecture and its various developments. Inhaltsverzeichnis Preface xi Acknowledgements xv PART ONE 1 1 Introduction 3 1.1 Specification Process for 3G 5 1.2 Introduction to the 3G Network Architecture 8 1.2.1 Conceptual Network Model 8 1.2.2 Structural Network Architecture 9 1.2.3 Resource Management Architecture 11 1.2.4 Bearer Architecture 13 2 Evolution from GSM to UMTS Multi-access 15 2.1 From Analogue to Digital 16 2.2 From Digital to Reachability 18 2.3 Jump to Packet World and Higher Speeds 19 2.4 3GPP Release 99 21 2.5 3GPP Release 4 24 2.6 3GPP Release 5 25 2.7 Trends beyond 3GPP Release 5 26 PART TWO 29 3 The Key Challenges Facing the Mobile Network Architecture 31 3.1 Radio Communication Constraints 31 3.2 Cellular Radio Communication Principles 36 3.3 Multi-access Techniques 39 3.4 Device Mobility 44 3.5 Network Transport 45 3.6 Transport Alternatives for UMTS 46 3.6.1 Asynchronous Transfer Mode in UMTS 48 3.6.2 IPTran sport 49 3.7 Network Management 51 3.7.1 High-level Architecture of a Network Management System 51 3.8 Spectrum and Regulatory 53 3.8.1 UMTS Spectrum Allocation 56 4 Overview of UMTS Radio Access Technologies 59 4.1 WCDMA Essentials 59 4.1.1 Basic Concepts 60 4.1.2 WCDMA Radio Channels 65 4.1.3 WCDMA Frame Structure 72 4.2 WCDMA Enhancement-HSDPA 75 4.2.1 Introduction 75 4.2.2 The Benefits and Impacts 76 4.2.3 Basic Concept 78 4.2.4 Adaptive Modulation and Coding 78 4.2.5 Hybrid Automatic Repeat Request 80 4...
