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Iterative interference cancellation using mixed feedback weights and stabilizing step sizes

  • US 8,300,745 B2
  • Filed: 03/25/2010
  • Issued: 10/30/2012
  • Est. Priority Date: 11/15/2005
  • Status: Active Grant
First Claim
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1. An interference suppressor for suppressing interference in a received signal from a channel, the suppressor configured for performing at least one iteration to produce at least one interference-suppressed symbol estimate, the suppressor comprising:

  • a synthesizing module configured to synthesize one or more constituent signals corresponding to one or more sources in the channel from a plurality of symbol estimates, and to produce a combined signal therefrom;

    a subtraction module configured to subtract the combined signal from the received signal to produce an error signal; and

    a stabilizing step size module configured to scale the error signal by a stabilizing step size to produce a scaled error signal.

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