| Introduction | p. 1 |
| Why TETRA | p. 1 |
| References | p. 4 |
| Modem Security Requirements in Private Mobile Communications Systems | p. 5 |
| Introduction | p. 5 |
| PMR Systems [1] | p. 6 |
| PMR Configurations | p. 6 |
| Comparison Between PMR and Cellular [2] | p. 11 |
| PMR Standards [1] | p. 14 |
| PMR Limitations [4] | p. 28 |
| Edge of Coverage Voice Quality | p. 28 |
| Requirements of PMR Services | p. 33 |
| Interoperability [6] | p. 37 |
| References | p. 42 |
| TETRA Providing an Acceptable Security System Solution | p. 43 |
| Introduction | p. 43 |
| Hierarchical analysis | p. 44 |
| Air interface specifications | p. 44 |
| GSM ASCI | p. 45 |
| Enhanced Multi-Level Precedence and Pre-emption service (eMLPP) | p. 45 |
| Voice Group Call Service (VGCS) | p. 46 |
| Voice Broadcast Service (VBS) | p. 47 |
| TETRA | p. 47 |
| Comparison of specified features | p. 48 |
| Technical analysis | p. 49 |
| References | p. 66 |
| Channel Assignment and Multiple Access in Trunking Radio Systems [1] | p. 67 |
| Channel Assignment Techniques [1] | p. 67 |
| Introduction | p. 67 |
| Channel Allocation Schemes | p. 68 |
| Channel Assignment Optimization | p. 80 |
| Introduction | p. 80 |
| Model Formulation | p. 80 |
| One Layer Architecture using Erlang Model | p. 82 |
| Channel Assignment Scheme based on a Three Layer Architecture | p. 84 |
| Comparison of One layer with Three Layer Architecture | p. 90 |
| Multiple Access Techniques | p. 102 |
| CDMA Techniques in TETRA systems | p. 102 |
| References | p. 126 |
| Video Transmission over TETRA | p. 133 |
| Introduction | p. 133 |
| Evolution of Public Safety Mobile Networks | p. 134 |
| Evolving Data services for public safety | p. 135 |
| The TETRA solution to PSDR communication environment | p. 136 |
| The Market Considerations | p. 138 |
| TETRA Enhanced Data Service-TEDS | p. 139 |
| Overview of DATA Transmission over TETRA | p. 141 |
| TETRA (V+D) Technical Characteristics | p. 141 |
| TETRA Network Services | p. 147 |
| High Speed Data service provisioning | p. 149 |
| Video Encoding Techniques | p. 151 |
| Background | p. 151 |
| Compression standards overview | p. 153 |
| Encrypted Video over TETRA | p. 170 |
| Performance Analysis of video broadcasting over TETRA | p. 174 |
| Performance Evaluation | p. 175 |
| Video Quality Measurements | p. 178 |
| Vision for Future Public Safety Communication Systems | p. 181 |
| Future Trends | p. 181 |
| All-IP convergence | p. 182 |
| TETRA - TEDS interoperability | p. 183 |
| TETRA over IP | p. 183 |
| Integrated TETRA-WLAN system | p. 184 |
| Conclusions | p. 186 |
| References | p. 188 |
| TETRA as a Gateway to Other Wireless Systems | p. 190 |
| Introduction | p. 191 |
| TETRA Air Interface: Logical and Physical Channels | p. 192 |
| Logical Channels | p. 193 |
| Physical channels | p. 194 |
| TETRA Packet Data Transmission | p. 195 |
| Packet Data transmission and reception procedures | p. 198 |
| TETRA IP user authentication | p. 202 |
| SNDCP states and state transitions | p. 205 |
| UDP versus TCP on top of TETRA IP laye | p. 211 |
| TETRA Packet Data modems | p. 213 |
| Types of Packet-data Mobile Stations | p. 214 |
| TETRA and WLAN Integration for Improving Packet-Data Transmission Capabilities | p. 216 |
| Integrated WLAN/TETRA System Overview | p. 220 |
| System Architecture | p. 223 |
| Architecture Elements and Interfaces | p. 223 |
| Protocol Architecture | p. 225 |
| Packet Structure | p. 227 |
| WLAN Association and TETRA Location Update Procedure | p. 228 |
| Group Call Initiation and Participation | p. 230 |
| Conclusions | p. 231 |
| References | p. 233 |
| TETRA as a Building block to WMNs | p. 235 |
| Introduction | p. 235 |
| Requirements | p. 239 |
| Discussion | p. 244 |
| Wireless Mesh Networks | p. 245 |
| Definition and classification of WMNs | p. 245 |
| MANET routing protocols | p. 246 |
| Influence of routing protocols on network performance | p. 253 |
| Multicast in WMNs | p. 259 |
| TETRA DMO | p. 263 |
| 1DMO overview | p. 263 |
| TETRA Release 2 | p. 273 |
| TETRA extensions for building WMNs | p. 275 |
| Routing capabilities | p. 277 |
| Wireless Interface | p. 283 |
| Overview of network performance figures | p. 287 |
| Conclusion | p. 293 |
| References | p. 295 |
| Appendix | p. 299 |
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