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Method and apparatus for in-channel interference cancellation

  • US 9,385,763 B1
  • Filed: 01/26/2015
  • Issued: 07/05/2016
  • Est. Priority Date: 01/26/2015
  • Status: Active Grant
First Claim
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1. A method for interference cancellation in a wireless communication system, the method comprising the steps of:

  • receiving first, second, and third non-overlapping portions of spectrum;

    using the first and the second non-overlapping portions of spectrum to estimate power amplifier coefficients used to generate the first and the second portions of spectrum;

    using the power amplifier coefficients to predict interference within the third portion of spectrum;

    using the predicted interference to cancel interference within the third portion of spectrum; and

    wherein the step of using the first and the second non-overlapping portions of spectrum to estimate power amplifier coefficients comprises the step of using a minimum mean squared error (MMSE) criterion to find coefficients of a 3rd term, 5th term and 7th by finding vector α

    that minimizes;

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