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Apparatus for reducing auto-correlation or cross-correlation in weak CDMA signals

  • US 7,197,305 B2
  • Filed: 07/20/2001
  • Issued: 03/27/2007
  • Est. Priority Date: 08/24/2000
  • Status: Expired due to Fees
First Claim
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1. A CDMA receiver, comprising:

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

    a second data path for verifying the incoming CDMA signal, located within the scanned signal window, against a lock signal, the second data path determining whether the incoming CDMA signal has at least one characteristic which differentiates the incoming CDMA signal from an auto-correlated signal or a cross-correlated signal; and

    means for inputting a second incoming CDMA signal to the first data path if the incoming CDMA signal lacks the at least one characteristic.

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