TErrestrial Trunked RAdio - TETRA

Transcription

1 Signals and Communication Technology TErrestrial Trunked RAdio - TETRA A Global Security Tool Bearbeitet von Peter Stavroulakis 1. Auflage Buch. xvi, 302 S. Hardcover ISBN Format (B x L): 15,5 x 23,5 cm Weitere Fachgebiete > EDV, Informatik > Datenbanken, Informationssicherheit, Geschäftssoftware > Informations- und Kodierungstheorie schnell und portofrei erhältlich bei Die Online-Fachbuchhandlung beck-shop.de ist spezialisiert auf Fachbücher, insbesondere Recht, Steuern und Wirtschaft. Im Sortiment finden Sie alle Medien (Bücher, Zeitschriften, CDs, ebooks, etc.) aller Verlage. Ergänzt wird das Programm durch Services wie Neuerscheinungsdienst oder Zusammenstellungen von Büchern zu Sonderpreisen. Der Shop führt mehr als 8 Millionen Produkte.

2 Table of Contents 1 Introduction Why TETRA...1 References Modern Security Requirements in Private Mobile Communications Systems Introduction PMR Systems [1] PMR Configurations Comparison Between PMR and Cellular [2] PMR Standards [1] PMR Limitations [4] Edge of Coverage Voice Quality Requirements of PMR Services Interoperability [6]...37 References TETRA Providing an Acceptable Security System Solution Introduction Hierarchical analysis Air interface specifications GSM ASCI Enhanced Multi-Level Precedence and Pre-emption service (emlpp) Voice Group Call Service (VGCS) Voice Broadcast Service (VBS) TETRA Comparison of specified features Technical analysis...49 References Channel Assignment and Multiple Access in Trunking Radio Systems [1] Channel Assignment Techniques [1] Introduction Channel Allocation Schemes...68

3 X IV Table of Contents 4.2 Channel Assignment Optimization Introduction Model Formulation One Layer Architecture using Erlang Model Channel Assignment Scheme based on a Three Layer Architecture Comparison of One layer with Three Layer Architecture Multiple Access Techniques CDMA Techniques in TETRA systems References Video Transmission over TETRA Introduction Evolution of Public Safety Mobile Networks Evolving Data services for public safety The TETRA solution to PSDR communication environment The Market Considerations TETRA Enhanced Data Service-TEDS Overview of DATA Transmission over TETRA TETRA (V+D) Technical Characteristics TETRA Network Services High Speed Data service provisioning Video Encoding Techniques Background Compression standards overview Encrypted Video over TETRA Performance Analysis of video broadcasting over TETRA Performance Evaluation Video Quality Measurements Vision for Future Public Safety Communication Systems Future Trends All-IP convergence TETRA TEDS interoperability TETRA over IP Integrated TETRA-WLAN system Conclusions References...188

4 Table of Contents X V 6 TETRA as a Gateway to Other Wireless Systems Introduction TETRA Air Interface: Logical and Physical Channels Logical Channels Physical channels TETRA Packet Data Transmission Packet Data transmission and reception procedures TETRA IP user authentication SNDCP states and state transitions UDP versus TCP on top of TETRA IP layer TETRA Packet Data modems Types of Packet-data Mobile Stations TETRA and WLAN Integration for Improving Packet-Data Transmission Capabilities Integrated WLAN/TETRA System Overview System Architecture Architecture Elements and Interfaces Protocol Architecture Packet Structure WLAN Association and TETRA Location Update Procedure Group Call Initiation and Participation Conclusions References TETRA as a Building block to WMNs Introduction Requirements Discussion Wireless Mesh Networks Definition and classification of WMNs MANET routing protocols Influence of routing protocols on network performance Multicast in WMNs TETRA DMO DMO overview TETRA Release

5 X VI Table of Contents 7.5 TETRA extensions for building WMNs Routing capabilities Wireless Interface Overview of network performance figures Conclusion References Appendix...299