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Method and apparatus for spectrum monitoring

DC CAFC
  • US 9,825,826 B2
  • Filed: 11/23/2015
  • Issued: 11/21/2017
  • Est. Priority Date: 09/08/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • performing by one or more circuits of a receiver coupled to a television and data service provider headend via a hybrid fiber coaxial (HFC) network;

    receiving, via said HFC network, a signal that carries a plurality of channels, wherein said channels comprise one or both of television channels and data channels;

    digitizing said received signal to generate a digitized signal;

    selecting a first portion of said digitized signal;

    selecting a second portion of said digitized signal;

    processing said selected second portion of said digitized signal to recover information carried in said plurality of channels;

    analyzing said selected first portion of said digitized signal to measure a characteristic of said received signal; and

    controlling the transmission of network management messages back to said headend based on said measured characteristic of said received signal, wherein said measured characteristic is different than said network management messages.

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