Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Patent
1996-07-31
1999-11-30
Baker, Stephen M.
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
714761, 714780, H03M 1300, H03M 1312, H03M 1322
Patent
active
059961031
ABSTRACT:
An error correction arrangement that contains a Viterbi decoder and an RS decoder to provide inner and outer code decoding, respectively. A score keeper is arranged at the output of the Viterbi decoder to form a score for a decoded byte to indicate the number of error bits in the byte. A tie breaker is provided to compare the score with a preset threshold level. If the score is higher than the threshold level, the corresponding error byte is replaced with an erasure supplied to the RS decoder.
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Baker Stephen M.
Samsung Information Systems America
Sherman, Esq. Kenneth L.
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