Apparatus for generating and checking the error correction codes

Details Apparatus for generating and checking the error correction codes Apparatus for generating and checking the error correction codes

1993-03-01

1995-11-14

Envall, Roy

Excavating

371 391, G06F 1110

Patent

active

054673593

ABSTRACT:
An error correction apparatus includes an error control circuit which computes for each burst of a message (for a destination unit) an error correction code as a function of an initial error correction code at the first burst of the message or of the error correction code of the previous burst and of the data bytes of the burst. The burst error correction code is sent on a medium which is separate from the data transport medium as a companion of the burst. Also, the error control circuit receives the burst error correction code from an origin unit and generates the burst error correction code to be compared with the received burst error correction code. If a mismatch is detected, the burst found in error is flagged.

REFERENCES:
patent: 4429391 (1984-01-01), Lee
patent: 5020054 (1991-05-01), May, Jr.
patent: 5161156 (1992-11-01), Baum et al.
patent: 5241546 (1993-08-01), Peterson et al.
patent: 5271020 (1993-12-01), Marisetty
IEEE Transactions on Communications, vol. 39, No. 8, 1991, pp. 1175-1178.

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