Decoding device for code symbols protected by Reed-Solomon code

Details Decoding device for code symbols protected by Reed-Solomon code Decoding device for code symbols protected by Reed-Solomon code

1984-09-24

1987-07-28

Fleming, Michael R.

Excavating

371 39, G06F 1110

Patent

active

046835725

ABSTRACT:
For the decoding of a data stream which is word-wise protected against errors by a double Reed-Solomon code with symbol-wise interleaving over the code words, first the reliability information for the constituent symbols is aggregated for a code word. Therefrom the strategy is determined, entailing the number of erase symbols and the maximum number of error symbols to be corrected. The correction result is compared with a reliability code and on the basis thereof all symbols obtain an at least trivalent secondary reliability indication for decoding in the second code.

REFERENCES:
patent: 4322848 (1982-03-01), Snyder
patent: 4404674 (1983-09-01), Rhodes
patent: 4432094 (1984-02-01), Das Gupta
patent: 4519080 (1985-05-01), Snyder
patent: 4551842 (1985-11-01), Segarra

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