Satellite communications systems and methods using radiotelephone location-based beamforming
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United States of America Patent
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Aug 7, 2012
Grant Date -
May 28, 2009
app pub date -
Dec 22, 2008
filing date -
May 18, 2004
priority date (Note) -
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Abstract
A processor for use in a satellite communications system includes a selector that is configured to select a subset of a plurality of spatially diverse satellite signals based upon a location of a radioterminal. The processor further includes a signal processor that is configured to detect a return-link transmission from the radioterminal responsive to the selected subset of the spatially diverse satellite signals. The respective spatially diverse satellite signals may include respective signals corresponding to respective antenna elements of a satellite. The selector and the signal processor may be ground based.
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