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Baseband interference canceling spread spectrum communications methods and apparatus

  • US 6,574,270 B1
  • Filed: 07/30/1999
  • Issued: 06/03/2003
  • Est. Priority Date: 07/30/1999
  • Status: Expired due to Term
First Claim
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1. A method of recovering information from a communications signal that includes desired information and interference, the method comprising the steps of:

  • processing the communications signal to produce a baseband signal;

    detecting a spreading sequence from the baseband signal;

    generating an estimate of an interfering signal component of the baseband signal associated with the detected spreading sequence;

    generating a new version of the baseband signal from a previous version of the baseband signal based on the generated estimate of the interfering signal component; and

    estimating the desired information from the new version of the baseband signal.

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