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VSWR estimation using correlation to suppress external interference

  • US 9,385,820 B2
  • Filed: 10/12/2012
  • Issued: 07/05/2016
  • Est. Priority Date: 10/12/2012
  • Status: Active Grant
First Claim
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1. A method, comprisingaccessing a plurality of sets of correlation values, each set of correlation values corresponding to a correlation performed between a number of first samples and a same number of second samples, the sets of correlation values determined by aligning the number of the first samples with a selected set of the second samples and then sliding the number of first samples across the second samples to select different sets of the second samples, wherein the first samples are samples of a forward signal transmitted over a cable/connector system to one or more antennas and the second samples are samples of a reflected radio frequency signal that comprises a reflected version of the forward signal;

  • determining a maximum value from the plurality of sets of correlation values; and

    associating the maximum value with a return loss of the cable/connector system.

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