Null deepening for an adaptive antenna based communication station
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United States of America Patent
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Nov 21, 2006
Issued Date -
N/A
app pub date -
Jun 21, 1999
filing date -
Jun 21, 1999
priority date (Note) -
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Abstract
A method and apparatus is described for modifying a smart antenna processing strategy determined from a set of signals received at an array of antenna elements of a wireless station, such as a set of weights for processing received antenna signals or forming a set of antenna signals for transmission. The method and apparatus uses the signatures of one or more interferers to produce a modified processing strategy that improves the nulling to the one or more interferers in that, when the modified strategy is applied on the downlink, the transmit signal strength in the direction of the one or more interferers is decreased, and, when the modified strategy is applied on the uplink, the sensitivity to signals from the direction of the one or more interferers is decreased.
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