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Interference rejection by soft-windowing CIR estimates based on per-tap quality estimates

  • US 8,514,689 B2
  • Filed: 02/25/2011
  • Issued: 08/20/2013
  • Est. Priority Date: 02/26/2010
  • Status: Expired due to Fees
First Claim
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1. A method of processing a channel impulse response (CIR) estimate associated with a communication channel, comprising:

  • determining coefficient values that respectively correspond to taps of the CIR estimate, wherein at least one of said coefficient values is between zero and a full scale value;

    multiplying said taps by the respectively corresponding coefficient values to produce a modified CIR estimate; and

    providing the modified CIR estimate for use in demodulating a communication signal received via the communication channel;

    wherein said determining includes determining first and second energy measures associated with the communication channel, and determining said coefficient values based on said first and second energy measures, wherein said first energy measure is indicative of signal energy associated with the communication channel, and said second energy measure is indicative of signal-plus-noise energy associated with the communication channel.

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