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Method and system for channel estimation in a data transmission system

  • US 20050276355A1
  • Filed: 06/09/2004
  • Published: 12/15/2005
  • Est. Priority Date: 06/09/2004
  • Status: Active Grant
First Claim
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1. A method for determining a channel impulse response at a receiver, said method comprising:

  • receiving a first block of samples at the receiver via a channel;

    subsequently receiving a second block of samples at the receiver via the channel;

    producing an estimated channel response of the channel using M channel taps;

    producing an estimate of the first block of samples based on the second block of samples received via the channel and the estimated channel response, the estimate having M components;

    determining a difference estimate of the estimated first block of samples and the first block of samples received via the channel, the difference estimate having M components; and

    updating the estimated channel response by individually updating one or more of the M-channel taps based on the difference estimate.

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