Communications systems including adaptive antenna systems and methods for inter-system and intra-system interference reduction
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United States of America Patent
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Oct 19, 2010
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app pub date -
Jun 8, 2006
filing date -
Jun 21, 2005
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Abstract
Methods of forming a downlink beam in an adaptive antenna system of a communications system that may reduce inter-system and/or intra-system interference include receiving vectors of signals including signals transmitted by user terminals of the communications system and signals transmitted by transceivers of an independent communications system, obtaining spatial information for the user terminals of the communications system and the transceivers of the independent communications system, generating complex transmitting weights that form spatial nulls directed at the transceivers of the independent communications system, and transmitting a downlink communications signal using the complex transmitting weights. Related systems are also disclosed.
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