Null deepening for an adaptive antenna based communication station
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Accused Products
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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Citations
84 Claims
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1-55. -55. (canceled)
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56. A subscriber device comprising:
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a processor of the subscriber device to compute an antenna processing strategy for a remote unit, the computation based at least in part on received signal data; and
circuitry of the subscriber device coupled with the processor, the circuitry to incorporate interferer signature data relating to one or more interferers with the received signal data to modify the processing strategy by reducing one or both of antenna transmit signal strength in, and sensitivity of the antenna to signals from, one or more interferers. - View Dependent Claims (57, 58, 59, 60, 61, 62, 63)
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64. A subscriber device comprising:
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a processor of the subscriber device to compute an antenna processing strategy from a set of signals received by an antenna array to apply to received signals to determine an estimate of a signal transmitted by a remote unit, or to apply to transmit a signal for transmission to the remote unit with the antenna array; and
a mechanism of the subscriber device to modify the computed antenna processing strategy by incorporating interferer signature data for each of one or more interferers, each interferer characterized by a signature, the interferer signature data related to the signature of each of the interferers, wherein the modified antenna processing strategy, if a downlink strategy, decreases a transmit signal strength in a direction of the one or more interferers, and, if an uplink strategy, decreases a sensitivity to signals from a direction of the one or more interferers. - View Dependent Claims (65, 66, 67, 68, 69)
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70. A method comprising:
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computing an antenna processing strategy for a remote unit, based at least in part on a received signal data; and
modifying the antenna processing strategy by incorporating signature data relating to one or more interferers with the received signal data to reduce one or both of antenna transmit signal strength in, and sensitivity of the antenna to signals from, the one or more interferers. - View Dependent Claims (71, 72, 73, 74, 75, 76, 77, 78, 79, 80)
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81. An article comprising a machine-accessible medium to provide content to cause one or more subscriber devices to:
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compute an antenna processing strategy for a remote unit, based at least in part on received signal data; and
modify the antenna processing strategy by incorporating signature data relating to one or more interferers with the received signal data to reduce one or both of antenna transmit signal strength in, and sensitivity of the antenna to signals from, one or more interferers. - View Dependent Claims (82, 83, 84)
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Specification