Method capable of simultaneously decoding two reproduced sequenc

Details Method capable of simultaneously decoding two reproduced sequenc Method capable of simultaneously decoding two reproduced sequenc

1983-09-29

1986-06-03

Atkinson, Charles E.

Excavating

371 38, G06F 1110

Patent

active

045933944

ABSTRACT:
In a decoder responsive to a sequence of interleaved codes and comprising a syndrome generator (20) and a calculating circuit (10) cooperating with the syndrome generator, the interleaved code sequence is reproduced into first and second reproduced sequence which are subjected to first and second error corrections by the use of the syndrome generator and the calculating circuit with reference to check codes included in each reproduced sequence. When the syndrome generator is put into operation for one of the first and the second error corrections, the calculating circuit is operated for the other. Thus, the first and the second error corrections are alternatingly carried out in each of the syndrome generator and the calculating circuit. Preferably, each of the first and the second reproduced sequence is of Reed-Solomon codes.

REFERENCES:
patent: 4398292 (1983-08-01), Doi et al.
patent: 4433415 (1984-02-01), Kojima
patent: 4437185 (1984-03-01), Sako et al.
patent: 4476562 (1984-10-01), Sako et al.

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