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Systems and methods for interference geolocation and mitigation using a phased array receiving antenna

  • US 9,673,523 B2
  • Filed: 09/16/2013
  • Issued: 06/06/2017
  • Est. Priority Date: 09/16/2013
  • Status: Active Grant
First Claim
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1. A method for geolocating an interference signal using a phased array receiving antenna, said method comprising:

  • perturbing a first communications beam and a second communications beam received at the phased array receiving antenna to generate a first sub-beam from the first communications beam and a second sub-beam from the second communications beam, wherein the first communications beam and the first sub-beam form a first composite beam and the second communications beam and the second sub-beam form a second composite beam;

    cross-correlating the first composite beam and the second composite beam;

    receiving communications data using the first composite beam and the second composite beam; and

    determining a direction of a received interference signal based on the cross-correlation of the first composite beam and the second composite beam.

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