Coding and decoding system using CRC check bit

Details Coding and decoding system using CRC check bit Coding and decoding system using CRC check bit

1997-12-23

2000-06-27

Baker, Stephen M.

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

714758, 714761, 714765, H03M 1300, H03M 1312, H03M 1322

Patent

active

060819197

ABSTRACT:
A coding and decoding system which uses CRC check bits is disclosed. When a coding apparatus performs coding, symbol interleaving is performed after coding by an outer code of a concatenated code, and coding by an inner code is performed after CRC check bits are added. Then, upon decoding by a decoding apparatus, error detection using the CRC check bits is performed after decoding of the inner code. After symbol deinterleaving is performed, decoding of the outer code by erasure decoding or error correction is performed depending upon the number of symbols included in a frame in which an error has been detected.

REFERENCES:
patent: 4718066 (1988-01-01), Rogard
patent: 4785451 (1988-11-01), Sako et al.
patent: 5608740 (1997-03-01), Watanabe

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