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Method for reducing auto-correlation or cross-correlation in weak signals

  • US 20020064209A1
  • Filed: 07/20/2001
  • Published: 05/30/2002
  • Est. Priority Date: 08/24/2000
  • Status: Active Grant
First Claim
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1. A method for reducing auto-correlation and cross-correlation in a CDMA receiver, comprising:

  • correlating an incoming CDMA signal, located within a scanned signal window, with a locally generated signal on a first data path;

    verifying the incoming CDMA signal, located within the scanned signal window, against a lock signal on a second data path;

    determining, using the second data path, whether the incoming CDMA signal has at least one characteristic which differentiates the incoming CDMA signal from an auto-correlated or cross-correlated signal; and

    continuing to search the scanned signal window for a second incoming CDMA signal if the incoming CDMA signal lacks the at least one characteristic.

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