Satellite telephone interference avoidance system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 8, 2000
Issued Date -
N/A
app pub date -
Nov 23, 1998
filing date -
Feb 6, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method is disclosed for operating a first satellite communications system of a type that operates co-frequency with at least one second transmission system, such as a second satellite communications system. The method includes steps, executed during the operation of the first satellite communications system, of measuring at a plurality of locations within a coverage area of the first system an amount of interference resulting at least in part from the at least one second transmission system, the amount of interference being measured over a band of frequencies allocated to the first system; (b) transmitting an indication of the measured interference from each location to a central site; and (c) in accordance with the transmitted indications, assigning at least one user terminal to a sub-band of frequencies within the band of frequencies so as to reduce an amount of interference experienced by the user terminal.
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