Detecting redundant digital codewords using a variable criterion

Details Detecting redundant digital codewords using a variable criterion Detecting redundant digital codewords using a variable criterion

1981-04-08

1983-09-13

Malzahn, David H.

Excavating

3401462, G06F 1108, G06F 702

Patent

active

044046774

ABSTRACT:
Fast response detection of repeatedly transmitted redundant digital codewords is provided by checking the same bit-position in consecutive n bit codewords. The number m of codewords checked is increased until the number of equal bit values reaches a varying threshold j.sub.m dependent upon m, or until m reaches a maximum M. This sequence is repeated for each of the remaining bit-positions of the codeword. Faster response is provided when an early threshold is reached, eliminating the need to continue checking the same bit-position in the remainder of the M codewords.

REFERENCES:
patent: 3863215 (1975-01-01), McGrogan, Jr.
patent: 3919690 (1975-11-01), Field et al.
patent: 3973242 (1976-08-01), Field et al.
patent: 4312074 (1982-01-01), Pautler et al.

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