Position determination using multiple base station signals
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United States of America Patent
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May 25, 1999
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N/A
app pub date -
Sep 20, 1996
filing date -
Jan 11, 1994
priority date (Note) -
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Abstract
Exemplary embodiments of the present invention describe terminal position location methods and systems. Relative powers of nearby spot beams which are generated by array antennas are determined. For example, powers from six neighboring spot beams relative to a center spot beam within which a mobile station is currently operating, can be measured relative to the power of the center spot beam. Using information from these measurements, the mobile stations position can be determined using, for example, an exponential model of the spot beam pattern.
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