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DISTORTION COMPENSATOR APPARATUS, AMPLIFIER APPARATUS, TRANSMITTER, AND METHOD OF COMPENSATING DISTORTION

  • US 20090195309A1
  • Filed: 05/29/2007
  • Published: 08/06/2009
  • Est. Priority Date: 06/08/2006
  • Status: Active Grant
First Claim
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1. A distortion compensator apparatus compensating nonlinearity of an amplifier, comprising:

  • a memory storing a compensation parameter used for correcting an input signal of the amplifier;

    a compensator correcting the input signal of the amplifier based on the compensation parameter; and

    an update controller updating the compensation parameter according to an operation state of the amplifier.

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