Post viterbi error correction apparatus and related methods

Details Post viterbi error correction apparatus and related methods Post viterbi error correction apparatus and related methods

2007-01-22

2010-10-12

Chase, Shelly A (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S809000

Reexamination Certificate

active

07814394

ABSTRACT:
A Post-Viterbi processor generates a plurality of candidate codewords based on a plurality of dominant error patterns for a particular communication channel. The Post-Viterbi processor selects one among the candidate codewords as a corrected codeword upon determining that the candidate codeword is error free.

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Park et al., High rate error correcting codes targeting dominant error patterns, Oct. 2006, IEEE, Trans on Magnetics, vol. 42, No. 10, p. 2573-2575.
Park et al., Imposing a k Constraint in Recording Systems Employing Post-Viterbi Error Correction, IEEE Transactions on Magnetics, Oct. 2005, pp. 2995-2997, vol. 41, No. 10.

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