Course Details
Subject {L-T-P / C} : EE6132 : Satellite Communication { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Prasanna Kumar Sahu
Syllabus
Module 1: (10 Hours)
Overview of Satellite Systems: History, Current state, Frequency allocations.
Orbital Aspects of Satellite Communication: Launching methods, Kepler’s laws, Orbital elements, Apogee and Perigee heights, Orbital mechanism, Look angle determination, Geo-stationary orbits and Launching orbits, Orbit determination, Orbit effects on Communication.
Module 2: (10 Hours)
Radio Wave Propagation: Atmospheric losses, Ionospheric Effects, Rain attenuation and other propagation impairments.
Space Segment: Power Supply, Attitude control, Station keeping, TT&C Subsystem, Transponders and Antenna Subsystem.
Earth Segment: TVRO, Master Antenna TV System, Community Antenna TV System, Transmit-Receive Earth stations.
Module 3: (10 Hours)
Space Link: Equivalent Radiated Isotropic Power, Transmission Losses, Link-Power Budget Equation, System noise, Carrier-to-Noise Ratio,
Satellite Link Design : Uplink Equation, Downlink Equation, Combined Uplink and Downlink C/N Ratio, Effects of Rain, Inter-modulation Noise.
Satellite Access: Single Access, Pre-assigned FDMA, Demand-Assigned FDMA, TDMA, On-Board Signal Processing for FDMA/TDMA operation, CDMA
Module 4: (6 Hours)
VSAT Systems : Advantages of VSAT, VSAT Network Configuration, Access Protocols, Demand Assigned Multiple Access, Applications of VSAT Systems
Recent Applications : Emergency and Disaster Management, Satellite Based Distance Education,
Module 5: (4 Hours)
Future trends in Satellite communication: LEO, MEO, GEO etc., TV via satellite, DBS, DTH, VSATs and GPS.
Course Objectives
- To enable the student to become familiar with satellites and satellite services
- To learn about the science behind the orbiting satellites, various multiplexing schemes and earth station parameters used for satellite communication.
- Application of established engineering methods to complex engineering problem solving.
- To gain knowledge about future trends of satellite communication system
Course Outcomes
1. Earn Engineering Knowledge in Satellite Communication. <br />2.Architect appropriate technologies for implementation of specified satellite communication systems based on specify systems design. <br />3. Analyze and evaluate a satellite link and suggest enhancements to improve the link performance and transponder resource through various approaches. <br />4. Conduct further research on satellite communication systems engineering to explore the possibilities of Ka band utilization in India for the purposes. <br />5. Understand the LEO and MEO satellites principles and VSAT networks for future applications.
Essential Reading
- T.Pratt and W.Boston, Satellite Communication, John Wiley & Sons , 2nd Ed., 2015
- T.T. Ha, Digital Satellite Communication, McGraw Hill , 1 st. Ed., 2016
Supplementary Reading
- Dennis Roddy, Satellite Communication, McGraw Hill , 4th Ed., 2016.
- G.D.Gordon, W.L.Morgan, Principles of Communication Satellite, John Wiley & Sons, U.S.A. , 1 st. Ed., 2014