Compensation of beamforming errors in a communications system having widely spaced antenna elements
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United States of America Patent
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Jun 28, 2011
Grant Date -
May 20, 2010
app pub date -
Nov 19, 2008
filing date -
Nov 19, 2008
priority date (Note) -
Expired
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Abstract
Systems and methods for operating a communications system. The methods involve computing one or more complex weights to be applied to transmit signals and receive signals by beamformers. The complex weights are based at least on configuration data for the communications system. The methods also involve applying a first plurality of weight corrections to the complex weights based on phasing errors occurring in a communication path inclusive of a control system and antenna elements. The methods further involve applying a second plurality of weight corrections to the complex weights based on phase differences at the antenna elements relative to a reference location for the receive signals.
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