Method and system for compensating for atmospheric fading in a communications system
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United States of America Patent
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Nov 2, 2004
Grant Date -
N/A
app pub date -
Nov 13, 2000
filing date -
Nov 13, 2000
priority date (Note) -
Expired
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Abstract
A method and system for compensating for atmospheric fading is used in a communication system wherein communication signals are exchanged between first and second earth stations via a satellite link, without increasing power of the satellite link. The method includes determining, at one or both of the earth stations, the signal power of a received signal and a signal-to-noise ratio of the received signal; calculating the difference in noise power spectral density in the received signal from that under clear sky conditions; calculating the downlink attenuation; determining the uplink attenuation, and commanding the transmitting earth station to increase its transmit power by an amount to compensate for the uplink attenuation. A corresponding system carries out the method.
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