06039cam a2200637 i 4500 ocn855858320 OCoLC 20171106091124.0 m o d cr ||||||||||| 130813s2011 enk ob 001 0 eng 2013033013 9781118810064 (Adobe PDF) 1118810066 (Adobe PDF) 9781118810149 (ePub) 1118810147 (ePub) 9781119998860 (cloth) 9781118810170 1118810171 1119998867 9781119998860 NZ1 15497420 DEBSZ 431646074 DEBBG BV041877785 (OCoLC)855858320 (OCoLC)871860199 (OCoLC)878139169 (OCoLC)911065251 DLC eng rda DLC YDX N$T YDXCP EBLCP DG1 CUS OCLCF B24X7 COO E7B DEBSZ S4S DG1 pcc MAIN TK5104 TEC 009070 bisacsh 621.3841/56 23 Richharia, M. (Madhavendra) Mobile satellite communications principles and trends / M. Richharia. [electronic resource] Second edition. Chichester, West Sussex : John Wiley & Sons, 2011. 1 online resource. text rdacontent computer rdamedia online resource rdacarrier Includes bibliographical references and index. Cover; Title Page; Copyright; Contents; Preface; About the Author; Acknowledgements; Chapter 1 Introduction; 1.1 Scope and Organization; 1.2 Evolution of Mobile Telecommunications; 1.2.1 Terrestrial Systems; 1.2.2 Satellite Systems; 1.3 Satellite System Architecture; 1.3.1 Radio Frequency Environment; 1.3.2 Orbit; 1.3.3 Tolerable Delay in Data Delivery; 1.3.4 Handover; 1.3.5 Mobility Management; 1.3.6 Physical Environment; 1.3.7 Satellite Access; 1.3.8 Spectrum Management; 1.3.9 Radio Link Reliability; 1.4 Business Plan; 1.5 Regulatory Considerations; 1.6 Operational Considerations. 1.7 Mobile Systems-A Comparison1.8 Example Applications; 1.9 Practical Limitations; 1.10 Related Satellite Systems; 1.10.1 M-VSAT Systems; 1.10.2 Satellite Navigation Systems; 1.10.3 Direct Broadcasts to Individuals and Mobiles; 1.11 Trends; 1.11.1 General; 1.11.2 Market; 1.11.3 System Architecture; 1.11.4 Spectrum; 1.11.5 Technology; Revision; References; Chapter 2 Satellite Constellations; 2.1 Introduction; 2.2 Satellite Orbits; 2.2.1 Orbital Mechanics Basics; 2.2.2 Satellite Coverage; 2.2.3 Space Environment; 2.2.4 Eclipse on Satellites; 2.2.5 The Sun's Interference; 2.2.6 Doppler Effect. 2.2.7 Orbital Debris2.2.8 Summary of Orbital Characteristics; 2.3 Satellite Constellations; 2.3.1 Considerations in Constellation Design; 2.3.2 Polar Constellations; 2.3.3 Inclined Orbit Constellations; 2.3.4 Hybrid Constellations; 2.3.5 Regional Coverage; 2.3.6 Constellations for Non-Real-Time Systems; 2.3.7 Use of Spot Beams; 2.3.8 Availability Considerations for Non-Geostationary Satellites; Revision; References; Chapter 3 Radio Link; 3.1 Introduction; 3.2 Spectrum Issues; 3.2.1 Spectrum Sharing Methods; 3.2.2 Spectrum Forecast Methodology; 3.3 Propagation Characteristics. 3.3.1 General Propagation Characteristics3.3.2 Land Mobile Channel; 3.3.3 Maritime Channel; 3.3.4 Aeronautical Channel; 3.3.5 System Implications; 3.4 Radio Link Analysis; Revision; References; Chapter 4 Modulation, Coding and Multiple Access; 4.1 Introduction; 4.2 Modulation; 4.2.1 MSS Requirements; 4.2.2 Preferences; 4.2.3 PSK Schemes; 4.2.4 Performance Comparison of Conventional Digital Modulation Schemes; 4.2.5 Coded Orthogonal Frequency Division Multiplexing (COFDM) Modulation Systems; 4.2.6 Spread Spectrum Modulation; 4.3 Coding; 4.3.1 Trellis-Coded Modulation (TCM). 4.3.2 Modulation and Coding Trends and Issues4.3.3 Automatic Repeat Request; 4.4 Multiple Access Schemes; 4.4.1 Comparison of Multiple Access Schemes; 4.4.2 Comparison of Spectral and Power Efficiency; Revision; References; Chapter 5 Fixed Earth Stations and User Terminals; 5.1 Introduction; 5.2 Gateways; 5.3 User Terminals; 5.3.1 Antennas; 5.3.2 Hand-Held UT; 5.3.3 Mobile Terminals; 5.4 Environmental Issues; 5.4.1 Biological Effects; Revision; References; Chapter 6 Spacecraft; 6.1 Introduction; 6.2 Satellites for MSS; 6.2.1 Transponders; 6.2.2 Antenna Systems. 6.2.3 Effect of Orbital Characteristics on Spacecraft Design. "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 info."--Provided by publisher. Description based on print version record and CIP data provided by publisher. Artificial satellites in telecommunication. Mobile communication systems. Artificial satellites in telecommunication. Mobile communication systems. TECHNOLOGY & ENGINEERING Mechanical. bisacsh Artificial satellites in telecommunication. fast (OCoLC)fst00817444 Mobile communication systems. fast (OCoLC)fst01024207 Electronic books. Electronic books. Print version: Richharia, M. (Madhavendra) Mobile satellite communications principles and trends Second edition. Chichester, West Sussex : John Wiley & Sons, 2011 9781119998860 (DLC) 2013031745 http://onlinelibrary.wiley.com/book/10.1002/9781118810170 Wiley Online Library ddc BK 206943 206943