System for transmitting binary data via a plurality of channels

Details System for transmitting binary data via a plurality of channels System for transmitting binary data via a plurality of channels

1982-08-27

1984-12-04

Atkinson, Charles E.

Excavating

G06F 1110

Patent

active

044868820

ABSTRACT:
A system for correcting multiple simultaneously erroneous channels within a plurality of parallel data channels including redundant channels. At the receiving side a group of syndrome generators each applies a secondary parity check matrix for producing corresponding groups of syndrome bit streams. If the error is correctable, one or more of the syndrome bit streams is added to corresponding code bit streams. If a syndrome bit stream indicates an error in a non-applicable code bit channel, or otherwise indicates too many errors, it remains unused. Decoders with feedback (restoration of syndromes after correction) and feedback-free decoders are possible.

REFERENCES:
patent: 3566352 (1971-02-01), Massey
patent: 3697947 (1972-10-01), Macy
patent: 4395768 (1983-07-01), Goethals et al.

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