H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/185 (2006.01) H04B 1/66 (2006.01) H04Q 7/36 (2006.01)
Patent
CA 2318704
A method and system for reducing the power consumption of a communication satellite that includes a RF transponder. The method has steps of (a) operating at least one gateway to derive a historical record of demand for the transponder as a function of time and location within at least a portion of a service area; (b) using the historical record in predicting a future demand for the transponder as a function of time and location within the service area; and (c) varying a bandwidth of an input filter of the transponder in accordance with the predicted future demand so as to reduce an amount of received noise that is amplified by the transponder. The step of varying includes preliminary steps of generating a filter bandwidth programming schedule in accordance with the predicted demand; and then storing the filter bandwidth programming schedule in a memory of the satellite for use in varying the bandwidth of the input filter at predetermined times relative to local times within the service area, and/or relative to predetermined locations relative to the service area. The step of predicting predicts the future demand as a function of individual beams of a multiple beam transponder receive antenna, and the step of varying preferably varies the bandwidth on a beam by beam basis.
Hirshfield Edward
Wiedeman Robert A.
Globalstar L.p.
Sim & Mcburney
LandOfFree
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