Error correction of balanced codeword sequence

Details Error correction of balanced codeword sequence Error correction of balanced codeword sequence

2002-12-17

2008-10-14

Louis-Jacques, Jacques (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S794000, C714S798000

Reexamination Certificate

active

07437656

ABSTRACT:
A method for recoding an input sequence of words, including assigning a respective bit-grade to at least one of the bits in a first word in the input sequence, deriving candidate words from the first word in response to the respective bit-grade, and inserting one of the candidate words into each of a plurality of candidate sequences, so that each of the candidate sequences contains one of the candidate words. The method further includes adding subsequent words to the candidate sequences, the subsequent words consisting of a further candidate word derived from a further word in the input sequence, computing respective sequence parameters for the candidate sequences, based on a relation between the candidate words and the subsequent words in the candidate sequences, selecting one of the candidate sequences in response to the sequence parameters, and outputting one of the candidate words contained in the selected candidate sequence.

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IBM Technical Disclosure Bulletin, “8 to 10-bit/10 to 8-bit Data Conversion with Frame Disparity Generating/Checking”, Sep. 1991, vol. 34, No. 4A, pp. 158-161.

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