Satellite communication networks are now an indispensable part of most major telecommunication systems. Satellites have a unique capability for providing coverage over large geographical areas. Modern communication satellites use a variety of orbits including geostationary_orbits, molniya _orbits, other elliptical orbits and low(polar and non-polar) Earth orbits.
In recent years, satellite communication systems have begun to face competition from optical fiber systems for point to point communication between large concentrated traffic sources. To retain a competitive edge, it has been necessary to develop various new techniques. Therefore, the phenomenal growth of satellite technology continues, the major growth now in those areas where satellite can provide unique advantages.
In recent years, satellite communication systems have begun to face competition from optical fiber systems for point to point communication between large concentrated traffic sources. To retain a competitive edge, it has been necessary to develop various new techniques. Therefore, the phenomenal growth of satellite technology continues, the major growth now in those areas where satellite can provide unique advantages.
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