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Modeling error correction capability with estimation of defect parameters

  • US 20070101213A1
  • Filed: 10/28/2005
  • Published: 05/03/2007
  • Est. Priority Date: 10/28/2005
  • Status: Active Grant
First Claim
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1. A method for modeling the error characteristics of a communications system, comprising:

  • establishing a number of simulated defect streams comprising a plurality of codewords;

    for each simulated defect stream;

    specifying a mean defect separation; and

    specifying a mean defect size;

    generating a defect array for each simulated defect stream, comprising storing in the defect array the starting location and the ending location of each defect within a codeword;

    concatenating the defect arrays generated from each data stream into a new defect array;

    merging overlapping defects in the new defect array;

    apportioning the merged defects to the codewords;

    generating a histogram of the number of codewords processed having k bytes in error, where k=[0 . . . m] and m equals a predetermined maximum number; and

    based upon the number and location of codeword errors and an error correction capability of an error correction code, estimating the probability of a failure in the error correction code.

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