Error correction for RLL channel bits in demodulation rules

Details Error correction for RLL channel bits in demodulation rules Error correction for RLL channel bits in demodulation rules

2007-12-11

2007-12-11

Mai, Lam T. (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from run length limited codes

C341S050000

Reexamination Certificate

active

11280417

ABSTRACT:
RLL (Run Length Limited) code is a well-known channel coding technique, which has no error correction ability itself. The present invention discloses a decoding method, which corrects the channel bit errors via a modified demodulation table with added demodulation rules without increasing any modification circuit, to reduce channel bit errors of RLL code sequences and improve the decoding accuracy of error correction table.

REFERENCES:
patent: 5717395 (1998-02-01), Zook
patent: 5859601 (1999-01-01), Moon et al.
patent: 6032284 (2000-02-01), Bliss

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