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Acknowledgement | |
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Acronyms | |
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Notation | |
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Introduction | |
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The birth of satellite communications | |
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Development of satellite communications | |
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The configuration of a satellite communications system | |
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Types of orbit | |
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Radio regulations | |
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Technology trends | |
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Services | |
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The way forward | |
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References | |
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Orbits and Related Issues | |
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Keplerian orbits | |
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Useful orbits for satellite communication | |
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Perturbations of the orbit | |
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Conclusion | |
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References | |
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Baseband Signals and Quality of Service (QoS) | |
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Baseband signals | |
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Performance objectives | |
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Availability objectives | |
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Delay | |
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Conclusion | |
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References | |
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Communications Techniques | |
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Analogue transmission | |
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Digital communications | |
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Conclusion: comparison between analogue and digital transmission | |
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References | |
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Up/Down Link, Intersatellite Link and Overall Link Performance | |
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Configuration of a link | |
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Antenna parameters | |
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Radiated power | |
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Received signal power | |
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Noise power spectral density at the receiver input | |
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Individual link performance | |
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Influence of the atmosphere | |
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Mitigation of atmospheric impairments | |
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Overall link performance with transparent satellite | |
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Overall link performance with regenerative satellite | |
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Intersatellite link performance | |
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References | |
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Multiple Access | |
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Traffic parameters | |
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Traffic routing | |
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Multiple access | |
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Frequency division multiple access (FDMA) | |
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Time division multiple access (TDMA) | |
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Code division multiple access (CDMA) | |
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Fixed and on-demand assignment | |
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Random access | |
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Conclusion | |
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References | |
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Satellite Networking | |
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Advantages and disadvantages of multibeam satellites | |
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Interconnection by transponder hopping | |
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Interconnection by on-board switching (SS/TDMA) | |
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Interconnection by beam scanning | |
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On-board processing | |
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Intersatellite links (ISL) | |
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References | |
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Earth Stations | |
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Station organisation | |
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Radio-frequency characteristics | |
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The antenna subsystem | |
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The radio-frequency subsystem | |
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Communication subsystems | |
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The network interface subsystem | |
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Monitoring and control; auxiliary equipment | |
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Conclusion | |
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References | |
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The Communication Payload | |
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Mission and characteristics of the payload | |
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Transparent repeaters | |
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Multibeam satellite repeater | |
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Regenerative repeater | |
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Solid state equipment technology | |
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Antenna coverage | |
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Antenna characteristics | |
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Conclusion | |
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References | |
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The Platform | |
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Subsystems | |
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Attitude control | |
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The propulsion subsystem | |
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The electric power supply | |
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Telemetry, tracking and command (TTC) and on-board data handling (OBDH) | |
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Thermal control and structure | |
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Developments and trends | |
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References | |
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Satellite Installation and Launch Vehicles | |
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Installation in orbit | |
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Launch vehicles | |
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References | |
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The Space Environment | |
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Vacuum | |
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The mechanical environment | |
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Radiation | |
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Flux of high energy particles | |
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The environment during installation | |
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References | |
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Reliability of Satellite Communications Systems | |
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Introduction of reliability | |
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Satellite system availability | |
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Sub-system reliability | |
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Component reliability | |
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Index | |