Apparatus, methods and computer program products for delay selection in a spread-spectrum receiver

  • US 7,769,078 B2
  • Filed: 10/06/2004
  • Issued: 08/03/2010
  • Est. Priority Date: 12/22/2000
  • Status: Active Grant
First Claim
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1. In a spread spectrum communications receiver, a method of recovering a signal from a composite signal, including signals from one or more sources, the method comprising:

  • determining channel and correlation characteristics for the composite signal;

    determining respective combining weights for information from the composite signal for respective ones of a plurality of candidate delays based on the determined channel and correlation characteristics;

    selecting a group of delays from the plurality of candidate delays based on the determined combining weights; and

    processing information from the composite signal for the selected delays according to a spreading code to generate a symbol estimate.

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