H - Electricity – 04 – H
Patent
H - Electricity
04
H
H04H 20/74 (2008.01) H04B 7/185 (2006.01) H04B 15/00 (2006.01)
Patent
CA 2250650
A dynamic method for optimizing interference levels between multiple downlink beams transmitted from a satellite with a common frequency spectrum causes the power level of at least one of the interfering beams to be adjusted so as to produce desired interference levels within the beams' respective ground target areas. The beam power adjustments are preferably accomplished by varying the drive levels of the high power amplifiers on board the satellite, at least one of which is initially operated at less than its maximum rated power level. Single or multiple beam powers can be adjusted, either up, down or some up and some down. Power level adjustments are normally made in response to actual beam power profiles not matching design standards, to changing service priorities among the different beam target areas, and to changing signal power requirements for the different beams.
Hughes Electronics Corporation
Sim & Mcburney
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