OPTICAL AND SATELLITE COMMUNICATION
Group A
Optical fibre-step index, graded index, material, preparation, measurement of propagation, properties, jointing, connectors and couplers. Fibre optic commul1lcatlon systems.
System model. Optical channel-space, fibre Optic, sources-lasers, LEDs.
Fibre laser for optical communication through guided media.
Modulation techniques-direct modulation and indirect modulation-injection modulation, A/O, E/O
modulation techniques.
Optical detection-PIN diodes and APDs.
Optical communication systems-analog and digital communication system. Low bandwidth/low bit rate to ultra wideband/ultra high bit-rate communication system.
Introduction to communication networks-LANs, MANs and WANs.
Group B
Satellite launching and control. Orbits. Launch vehicles and rockets. Space shuttles. Propagation characteristics-attenuation, noise, space environment.
Frequency bands.
Types of satellite systems. Satellite sub-system, powercommunication, control, thermal.
Earth station equipment. Satellite link design-power budget, EIRP, G/T ratio of receivers, CNR of satellite system.
Multiple access technique, TDMA, FDMA, CDMA. SPADE. Multiple beams-spot beams.
Recommended Books
1. J M Senior .Optical Fibre Communications:Principlesand
Practice. Prentice-Hallof India (P) Ltd.. New Delhi.
2. T Pran and C W Bostian. Satellite Communications. John
Wiley and Sons. New York.
3. G Keiser. Optical Fibre Communications. McGraw Hill
International. New York.
4. T T Ha. Digital Satellite Communications. McGraw-Hill
International, New York.