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Rake receiver with selective ray combining

  • US 5,237,586 A
  • Filed: 03/25/1992
  • Issued: 08/17/1993
  • Est. Priority Date: 03/25/1992
  • Status: Expired due to Term
First Claim
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1. In a spread spectrum communications system wherein a transmitter transmits a data signal to a receiver, said receiver comprising:

  • means for receiving at least two rays of the data signal, wherein the receiving means produces in-phase (I) and quadrature (Q) components for each ray;

    means for sampling said I and Q components to produce at least one I sample and at least one Q sample for each ray;

    means for selecting at least two wrays of said samples, each wray including I samples or Q samples from any one of said rays; and

    means for combining said samples in each of said selected wrays to recover the transmitted data signal.

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