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System and method for joint demodulation of CDMA signals

  • US 5,506,861 A
  • Filed: 11/22/1993
  • Issued: 04/09/1996
  • Est. Priority Date: 11/22/1993
  • Status: Expired due to Term
First Claim
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1. A receiver for demodulating at least one CDMA signal from a received signal comprising:

  • means for producing data samples from said received signal,means for collecting said data samples into blocks of complex data samples,means for aperiodically correlating said blocks of data samples with shifts of at least one known signature sequence,means for selecting a predetermined number of said aperiodic correlations,means for estimating multipath channel tap coefficients,means for forming real parts of products of said selected aperiodic correlations with said multipath channel tap coefficients, andmeans for combining said real parts of said products to determine at least one transmitted information symbol sequence.

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