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Apparatus and method for efficient decoder normalization

  • US 7,131,054 B2
  • Filed: 09/17/2001
  • Issued: 10/31/2006
  • Est. Priority Date: 09/17/2001
  • Status: Expired due to Term
First Claim
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1. In a decoder having one or more branch metric units for calculating branch metric values, a method for performing normalization comprising:

  • if a specified normalization condition is met, subtracting a normalization amount from a branch metric value at each of said branch metric units to produce a normalized branch metric value; and

    if a second specified normalization condition is met, subtracting a second normalization amount from branch metric calculations performed by each of said one or more branch metric units to produced a second normalized branch metric value.

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