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Tap weight initializer for an adaptive equalizer

  • US 7,190,720 B2
  • Filed: 05/09/2002
  • Issued: 03/13/2007
  • Est. Priority Date: 07/03/2001
  • Status: Active Grant
First Claim
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1. A method for determining the initial values of the tap weights for the taps wherein the nested summation has the following general form:



  • k 0 = a k 0 max






    k 1 = b k 1 max












    k m - 1 = n k m - 1 max




    f ( k 0 , k 1 ,





    k m - 1
    )
    Wherein a, b, . . . , n are initial summing points for the corresponding summations, and wherein m>

    1 such that if m=2 there are only two summations and such that if m>

    2 there are more than two summations of a linear equalizer comprising;

    determining a channel impulse response of a channel; and

    ,performing a nested summation to determine, from the channel impulse response, the initial values corresponding to the weights of the equalizer taps.

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