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Enhanced digital predistortion

  • US 20070296493A1
  • Filed: 06/27/2006
  • Published: 12/27/2007
  • Est. Priority Date: 06/27/2006
  • Status: Active Grant
First Claim
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1. A method of pre-distorting a signal for input to an amplifier, comprising:

  • generating a weight vector based on a pre-distorted input signal and an output signal of the amplifier using a computation reduction technique; and

    pre-distorting an input signal for input to an amplifier based on the generated weight vector; and

    wherein the computation reduction technique decomposes a number of multiplication operations between complex numbers such that a total number of multiplications and a total number of additions to generate the weight vector is reduced as compared to if the number of multiplication operations between complex numbers was not decomposed.

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