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Informationen zum Autor Professor Markus Rupp, University of Technology Vienna, Austria Markus Rupp is presently a full professor for Digital Signal Processing in Mobile Communications at the Technical University of Vienna. Rupp previously held a postdoctoral position at the University of Santa Barbara, California. He was associate editor of IEEE Transactions on Signal Processing from 2002-2005, is currently associate editor of JASP EURASIP Journal of Applied Signal Processing, JES EURASIP Journal on Embedded Systems, Research Letters in Signal Processing, Research Letters in Communications, and is elected AdCom member of EURASIP. Professor Rupp has authored and co-authored more than 250 papers and patents on adaptive filtering, wireless communications and rapid prototyping as well as automatic design methods. Klappentext This excellent reference provides detailed analysis and optimization aspects of live 3G mobile communication networksVideo and Multimedia Transmissions over Cellular Networks describes the state-of-the-art in the transmission of multimedia over cellular networks, evaluates the performance of the running system based on the measurements and monitoring of live networks, and finally presents concepts and methods for improving of the quality in such systems.Key Features:* Addresses the transmission of different media over cellular networks, with a focus on evolving UMTS transmission systems* Provides in-depth coverage of UMTS network architecture, and an overview of 3GPP video services* Describes the characteristics of the link layer errors in the UMTS Terrestrial radio Access Network (UTRAN), obtained by extensive measurements in live UMTS networks* Covers video encoding and decoding, introducing H.264/AVC video codec, as well as addressing various novel concepts for increased error resilience* Discusses the real-time capable algorithms that are suitable for implementation in power and size limited terminals* Presents the methods for monitoring quality, as well as analyzing and modelling traffic evolution in the cellular mobile networkThis book provides a valuable reference for researchers and students working in the field of multimedia transmission over wireless networks. Industry experts and professionals working within the field will also find this book of interest. Zusammenfassung Wireless video and multimedia communications are one of the most important forthcoming services in the context of the existing 3G and forthcoming generations of wireless systems. Inhaltsverzeichnis List of Contributors xiii About the Contributors xv Foreword xix Preface xxi Acknowledgements xxv List of Abbreviations xxvii I Cellular Mobile Systems 1 1 Introduction to Radio and Core Networks of UMTS 5 Philipp Svoboda and Wolfgang Karner 1.1 UMTS Network Architecture 7 1.2 UTRAN Architecture 8 1.2.1 UTRAN Protocol Architecture 9 1.2.2 Physical Layer Data Processing in the UTRAN Radio Interface 13 1.3 UMTSPS-core Network Architecture 16 1.4 A Data Session in a 3GNetwork 18 1.4.1 The UMTS (PS-core) Protocol Stack 19 1.4.2 The Protocols 20 1.4.3 Bearer Speed in UMTS 23 1.5 Differences between 2.5G and 3G Core Network Entities 23 1.5.1 GPRS Channels 24 1.5.2 GPRS Core Network Architecture 25 1.5.3 The GPRS Protocol Stack 25 1.5.4 Bearer Speed in GPRS and EDGE 27 1.6 HSDPA: an Evolutionary Step 27 1.6.1 Architecture of HSDPA 28 1.6.2 Difference between UMTS and HSDPA 29 1.6.3 Transport and Control Channels 31 References 32 II Analysis and Modelling of the Wireless Link 35 2 Measurement-based Analysis of UMTS Link Characteristics 39 Wolfgang Karner 2.1 Measurement Setup 40 2.1.1 General Setup 40 2.1.2 Mobility Sc...
