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Noise ingress detection

  • US 9,015,786 B2
  • Filed: 12/03/2012
  • Issued: 04/21/2015
  • Est. Priority Date: 12/03/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • detecting changes in post-equalization filter coefficients of each of a plurality of devices connected to a network;

    determining, for each of the plurality of devices, multiple possible attenuation levels of noise transmitted to that device from respective multiple possible ingress locations in the network; and

    identifying one of the multiple possible ingress locations as a location where ingress of the noise occurred based on the changes in the post-equalization filter coefficients of each of the plurality of devices and the multiple possible attenuation levels of the noise.

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