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Mobile Satellite Communications

Mobile Satellite Communications

Copyright: 1997
Pages: 488
ISBN: 9780890068434

Print Book $142.00 Qty:
Mobile Satellite Communications is the first book solely devoted to examining the advanced systems that allow callers to make successful satellite links from moving vehicles on the ground, sea, or in the air. It examines both the history of mobile satellite communications as well as their key technologies. The book offers a complete discussion of mobile satellite orbital dynamics. The authors take an easy-to-understand approach to the satellite position determination principle, and they provide a compact, practical procedure for making orbit calculations. Vehicle antennas, their requirements, gain, beam width, phased arrays, and satellite tracking are also explored. Signal propagation problems and counter methods are discussed in detail in marine, aeronautical and land environments. The book also looks ahead to forthcoming technologies, including satellite phone systems using both geostationary and non-geostationary orbits. Mobile Satellite Communications is an essential resource for antenna and satellite tracking system designers, engineers, and researchers involved in this expansion. It's also highly appropriate for students at both graduate and undergraduate levels.
1.Introduction: Overview of Mobile Satellite Communications. Classification of Satellite Communications. History of Mobile Satellite Communications. International Coordination. 2. Mobile Satellite Orbits: Circular Orbit. Elliptical Orbit. Geostationary Orbit. Calculating the Range, Azimuth, and Elevation. 3. System Design: System Configuration. Main Parameters in Link Budget. Relation Between Transmitted and Received Power. Signal-to-Noise Ratio in Satellite Communication Links. Key Technologies for Mobile Satellite Communication Systems. Mobile Satellite Transponders. Frequency Intereference. 4. Vehicle Antennas: Requirements for Antennas. Basic Knowledge of Antennas. Basic Antennas. Phased Array Antennas. Satellite Tracking. Sensors. 5. Propagation Problems: Basic Knowledge of Propagation. Propagation in Land Mobile Satellite Communications. Propagation in Maritime Satellite Communications. Propagation in Aeronautical Satellite Communications. 6. Digital Communications Technologies: Modulation and Demodulation. Error-Control Techniques. Coded Modulation. Digital Speech Coding. Multiple Access Techniques. 7. Operational and Forthcoming Systems: Satellite Systems Using Geostationary Orbits - GEOs. Little LEO Satellite Systems. Big LEO Satellite Systems. Broadband Systems. HEO Systems. 8. Mobile Earth Stations: INMARSAT-A. INMARSAT-B. INMARSAT-C. INMARSAT-M. INMARSAT-Aero. Land Mobile Earth Station. Hand-Carried Terminals. 9. Radio Navigation: Range Navigation. Range-Difference Navigation. Doppler Navigation. 10. Mobile Broadcasting: System Requirements for Digital Audio Broadcasting Services. Digital Audio Broadcasting (DAB). 11. Future Systems - Towards Intelligent Satellites: Intelligent Satellites. Examples of Intelligent Satellites.;
  • Seiichiro Kawase Seiichiro Kawase is a director at the Kashima Space Communication Center and was formerly a visiting professor at the University of Electro-Communications in Tokyo. He earned his B.E. and M.E. in mechanical engineering at the Tokyo Institute of Technology and his D.E. in electronic engineering at Tokyo University.
  • Shingo Ohmori Shingo Ohmori is professionally affiliated with the Communications Research Laboratory in Japan. Dr. Ohmori is director of the Kashima Space Research Center, and holds a Ph.D. in electrical engineering from the University of Thohoku, Japan. He was extensively involved in the Engineering Test Satellite Five (ETS-V), one of the world's first experiments in mobile satellite communications.
  • Hiromitsu Wakana Hiromitsu Wakana is professionally affiliated with the Communications Research Laboratory in Japan. He was extensively involved in the Engineering Test Satellite Five (ETS-V), one of the world's first experiments in mobile satellite communications.
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