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<p><i>Preface xv</i></p> <p><i>About the Author xvii</i></p> <p><i>Acknowledgements xix</i></p> <p><b>1 Introduction 1</b></p> <p>1.1 Scope and Organization 1</p> <p>1.2 Evolution of Mobile Telecommunications 5</p> <p>1.3 Satellite System Architecture 13</p> <p>1.4 Business Plan 23</p> <p>1.5 Regulatory Considerations 23</p> <p>1.6 Operational Considerations 24</p> <p>1.7 Mobile Systems – A Comparison 26</p> <p>1.8 Example Applications 27</p> <p>1.9 Practical Limitations 27</p> <p>1.10 Related Satellite Systems 29</p> <p>1.11 Trends 31</p> <p>Revision 34</p> <p>References 35</p> <p><b>2 Satellite Constellations 37</b></p> <p>2.1 Introduction 37</p> <p>2.2 Satellite Orbits 38</p> <p>2.3 Satellite Constellations 69</p> <p>Revision 85</p> <p>References 86</p> <p><b>3 Radio Link 89</b></p> <p>3.1 Introduction 89</p> <p>3.2 Spectrum Issues 89</p> <p>3.3 Propagation Characteristics 100</p> <p>3.4 Radio Link Analysis 162</p> <p>Revision 170</p> <p>References 171</p> <p><b>4 Modulation, Coding and Multiple Access 175</b></p> <p>4.1 Introduction 175</p> <p>4.2 Modulation 175</p> <p>4.3 Coding 197</p> <p>4.4 Multiple Access Schemes 208</p> <p>Revision 222</p> <p>References 223</p> <p><b>5 Fixed Earth Stations and User Terminals 227</b></p> <p>5.1 Introduction 227</p> <p>5.2 Gateways 228</p> <p>5.3 User Terminals 230</p> <p>5.4 Environmental Issues 264</p> <p>Revision 269</p> <p>References 269</p> <p><b>6 Spacecraft 271</b></p> <p>6.1 Introduction 271</p> <p>6.2 Satellites for MSS 272</p> <p>6.3 Intersatellite links 302</p> <p>6.4 Emerging Technologies 306</p> <p>6.5 Launching Satellite Constellations 308</p> <p>Revision 312</p> <p>References 312</p> <p><b>7 System Architecture 315</b></p> <p>7.1 Introduction 315</p> <p>7.2 Air Interface 316</p> <p>7.3 System Development 320</p> <p>7.4 Network Considerations 334</p> <p>Revision 355</p> <p>References 356</p> <p><b>8 Satellite Radio Interface Standards 357</b></p> <p>8.1 Introduction 357</p> <p>8.2 Satellite Radio Interface Standards 359</p> <p>8.3 Interactive Mobile Broadband Broadcast Standard 407</p> <p>Revision 422</p> <p>References 423</p> <p><b>9 Operational Considerations 425</b></p> <p>9.1 Introduction 425</p> <p>9.2 Perspective 425</p> <p>9.3 Subscriber and Gateway Commissioning 428</p> <p>9.4 Radio Resource Management 431</p> <p>9.5 Radio Frequency Monitoring 455</p> <p>9.6 Quality of Service 463</p> <p>9.7 Licensing Issues 464</p> <p>Revision 466</p> <p>References 466</p> <p><b>10 Commercial Issues 469</b></p> <p>10.1 Introduction 469</p> <p>10.2 System Planning 472</p> <p>10.3 Service Distribution Model 483</p> <p>10.4 Billing Issues 486</p> <p>10.4.1 Investment Routes 487</p> <p>10.5 Regulatory Issues 488</p> <p>10.6 Traffic Forecast 489</p> <p>10.7 End-User Perspective – A Case Study 507</p> <p>Revision 513</p> <p>References 513</p> <p><b>11 Representative MSS Systems 515</b></p> <p>11.1 Introduction 515</p> <p>11.2 Geostationary Satellite Systems 516</p> <p>11.3 LightSquared MSS-ATC Proposal 544</p> <p>11.4 Big-LEO Systems 547</p> <p>11.5 Little-LEO System 564</p> <p>11.6 MEO System 568</p> <p>11.6.1 ICO System 568</p> <p>11.7 Hybrid Orbit Systems 572</p> <p>11.7.1 ELLIPSOTM System 572</p> <p>References 577</p> <p><b>12 Mobile Satellite Broadcast Systems 581</b></p> <p>12.1 Introduction 581</p> <p>12.2 Evolution 582</p> <p>12.3 Mobile Broadcast System Requirements 585</p> <p>12.4 System Configuration 587</p> <p>12.5 Space Segment 588</p> <p>12.6 Transmission Technology 590</p> <p>12.7 OSI Architecture in a Broadcast Context 594</p> <p>12.8 Prevalent Transmission Systems 597</p> <p>12.9 Receiver Architecture 604</p> <p>12.10 DVB-SH System Architecture 606</p> <p>12.11 Multimedia Broadcast and Multicast Services (MBMS) 611</p> <p>12.12 DBS Reception on Mobile Terminals 612</p> <p>Revision 613</p> <p>References 614</p> <p><b>13 Related Satellite Systems 617</b></p> <p>13.1 Introduction 617</p> <p>13.2 Distress and Safety Systems 617</p> <p>13.3 Navigation Systems 627</p> <p>13.4 Mobile Very Small Aperture Terminals 642</p> <p>13.5 Terrestrial Cellular System 649</p> <p>13.5.1 System Architecture 650</p> <p>Revision 653</p> <p>References 653</p> <p><b>14 The Future 655</b></p> <p>14.1 Introduction 655</p> <p>14.2 Market Projections 656</p> <p>14.3 Spectrum Forecast 659</p> <p>14.4 Capacity Enhancement Techniques 659</p> <p>14.5 System Architecture 672</p> <p>14.6 Enabling Concepts and Technologies 678</p> <p>14.7 Little-LEO Systems 692</p> <p>14.8 Mobile Satellite Systems in Future Networks 693</p> <p>Revision 698</p> <p>References 699</p> <p>Appendix 703</p> <p><b>A.1 Coverage Snapshot of Representative Non-Geostationary MSS Systems 703</b></p> <p><b>A.2 A List of Useful Formulas 705</b></p> <p>A.2.1 Geostationary Orbit 705</p> <p>A.2.2 Propagation 711</p> <p>A.2.3 Receiver 713</p> <p><i>References 714</i></p> <p><i>Index 715</i></p>

<p><b>Madhavendra Richharia</b> is a practising professional for well over three decades, with experience in diverse areas such as design and development of earth station products, satellite system design and operation, system planning, academics and research. He is currently a senior consultant and director of Knowledge Space Ltd, UK, prior to which he held a senior technical position at Inmarsat for over 15 years. Earlier, he was a faculty member at the University of Surrey. He has also contributed to satellite communication programmes of ISRO as an engineering scientist. He has published a number of technical papers on a variety of satellite communications topic, authored a book on satellite system design and co-authored a book covering concepts and technologies applicable to satellite systems for personal applications. The first edition of this book was well-received and continues to be recommended for many university courses. He obtained his PhD degree from the University of Birmingham UK and Bachelor and Masters from BHU. He is a member of the IEEE and the IET.</p>

<p>Demand for Mobile Satellite Service (MSS) is on the increase, with a huge surge of interest in mobile communications in recent years and high-paced advancements in the supporting system architectures, devices and applications. This thoroughly revised and updated book provides a comprehensive guide to the MSS technologies and emerging trends. It takes a system level approach, giving in-depth treatment of technical and business related issues. The author, a leading professional in the area, draws on his extensive experience in industry and research, to provide the reader with a sound and informed understanding of the technology.</p> <p><i>Mobile Satellite Communications</i> includes introductory material for the reader new to the field, in addition to exploring prevalent system concepts, architecture, practices and trends for the more experienced. An in-depth review of scientific principles merged with business models and regulatory considerations presents a balanced perspective of commercial mobile satellite systems.</p> <p>This book will be of interest to practicing engineers in mobile satellite communications and mobile broadcasting, research and development professionals working in these areas, mobile satellite service providers and operators. Academics and students studying satellite systems/technology, specialists in other classes of satellite systems, technical and marketing managers, strategists and planners of telecommunication systems: individuals interested in mobile communications, satellite and telecommunications/broadcasting technology will also find this book insightful.</p> <p>Key Features: </p> <ul> <li>Comprehensive treatment of mobile satellite communications topics, including radio link aspects, satellite constellations, architectural and operational aspects, as well as business planning models, MSS radio interface standards, spectrum forecast methodologies and system examples.</li> <li>Addresses related themes such as mobile broadcasting, mobile VSATs, search and rescue, and navigation systems.</li> <li>Introduces emerging technologies such as mobile broadband, television broadcasting to handheld units, advanced capacity enhancement techniques, hybrid system architecture concepts, including a rich sample of research topics such as multiple input multiple output, satellite-based <i>ad-hoc</i> networks, and highlights initiatives in the use of Q/V frequency bands.</li> <li>Includes revision questions at the end of each chapter.</li> <li>An accompanying website for interaction (<a href="http://www.satellitesandyou.com/">www.satellitesandyou.com</a>).</li> </ul>

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