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SEARCHING METHOD FOR MAXIMUM-LIKELIHOOD (ML) DETECTION

  • US 20060198470A1
  • Filed: 12/16/2005
  • Published: 09/07/2006
  • Est. Priority Date: 12/17/2004
  • Status: Active Grant
First Claim
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1. A method for searching a solution point of maximum-likelihood (ML) detection, wherein the solution point locates at a symbol constellation, the method comprising:

  • determining a central point and a norm by a zero-forcing detection method, wherein the solution point of ML detection locates inside a sphere that utilizes the central point to be a center and the norm to be a radius;

    determining a searching range according to the central point and the norm;

    determining at least one qualified solution point according to the searching range; and

    determining the solution point of ML detection from the at least one qualified solution point.

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