Digital beamforming for simultaneously mitigating weak and strong interference in a navigation system
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United States of America Patent
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Jul 18, 2017
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app pub date -
Dec 12, 2012
filing date -
Dec 15, 2011
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Abstract
An adaptive cascaded electronic protection processing system for global navigation satellite system (GNSS) threat mitigation is provided. The system includes a precorrelation characterization component configured to provide at least one parameter characterizing a plurality of received signals. A correlator is configured to provide a plurality of correlation results, each representing one of the plurality of received signals. A spatial weight contribution component is configured to determine an optimal set of digital beam-forming weights via an optimization process according to the at least one parameter. A postcorrelation characterization component is configured to determine at least one constraint on the optimization process according to the plurality of correlation results.
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