Satellite Communications for JNTU-H 18 Course (IV - II - ECE - EC811PE) - Professional Elective – V (Decode)

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UNIT - I Introduction : Origin of Satellite Communications, Historical Back-ground, Basic Concepts of Satellite Communications, Frequency Allocations for Satellite Services, Applications, Future Trends of Satellite Communications. Orbital Mechanics and Launchers : Orbital Mechanics, Look Angle determination, Orbital Perturbations, Orbit determination, Launches and Launch vehicles, Orbital Effects in Communication Systems Performance. (Chapter - 1) UNIT - II Satellite Subsystems : Attitude and Orbit Control System, Telemetry, Tracking, Command And Monitoring, Power Systems, Communication Subsystems, Satellite Antennas, Equipment Reliability and Space Qualification. (Chapter - 2) UNIT - III Satellite Link Design : Basic Transmission Theory, System Noise Temperature and G/T Ratio, Design of Down Links, Up Link Design, Design Of Satellite Links For Specified C/N, System Design Examples. Multiple Access : Frequency Division Multiple Access (FDMA), Inter modulation, Calculation of C/N, Time Division Multiple Access (TDMA), Frame Structure, Examples, Satellite Switched TDMA Onboard Processing, DAMA, Code Division Multiple Access (CDMA), Spread Spectrum Transmission and Reception. (Chapter - 3) UNIT - IV Earth Station Technology : Introduction, Transmitters, Receivers, Antennas, Tracking Systems, Terrestrial Interface, Primary Power Test Methods. (Chapter - 4) UNIT - V Low Earth Orbit and Geo-Stationary Satellite Systems : Orbit Considerations, Coverage and Frequency Consideration, Delay and Throughput Considerations, System Considerations, Operational NGSO Constellation Designs. Satellite Navigation and Global Positioning System : Radio and Satellite Navigation, GPS Position Location Principles, GPS Receivers and Codes, Satellite Signal Acquisition, GPS Navigation Message, GPS Signal Levels, GPS Receiver Operation, GPS C/A Code Accuracy, Differential GPS. (Chapter - 5)

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Author: [V. S. Bagad] Pages: 92 Edition: 2022 Vendors: Technical Publications