Scalable satellite area coverage
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United States of America Patent
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N/A
Issued Date -
May 13, 2004
app pub date -
Nov 12, 2002
filing date -
Nov 12, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system and method of providing scalable beam coverage for satellite communications to ground terminals. A single antenna being adapted to provide an adjustable range of narrow to wide area coverage is provided and a density of ground terminals in the coverage area is determined. A required total beam data rate is determined and the antenna is adjusted to generate single or multiple beams of variable beamwidths that correspond to the field of view required and the transmitted power and linearity are adjusted to the proper levels as determined from the density of ground terminals and required total beam data rate. The required total beam data rate capacity remains essentially constant over the adjustable range of narrow to wide area coverage.
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