Bit error correction algorithm

Details Bit error correction algorithm Bit error correction algorithm

1996-02-23

1999-09-07

Baker, Stephen M.

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

714797, 714822, H04L 100, H04L 108

Patent

active

059481161

ABSTRACT:
A corrected digital response signal is generated from a corrupted transponder response signal by receiving the response signal an odd number of times, greater than one, and sampling each received response signal a predetermined number of times. Then, the sample values from each transponder response signal are compared to one another and a majority sample value is obtained. The majority sample value is the value ordained by the majority and therefore represents the corrected response signal value. Alternatively, if time does not permit reception of more than one transponder response signal, additional response signals may be generated from the originally received response signal by shifting the received response by a predetermined number of samples to the right and by shifting the received response by a predetermined number of samples to the left to generate second and third response signals. Then, as similarly described, the first second and third signals are compared sample by sample with the majority sample value yielding the corrected sample value. In this way, a corrected response signal is generated.

REFERENCES:
patent: 3863215 (1975-01-01), McGrogan, Jr.
patent: 4241311 (1980-12-01), Massey
patent: 4312074 (1982-01-01), Pautler et al.
patent: 4965884 (1990-10-01), Okura et al.
patent: 5018142 (1991-05-01), Simcoe et al.
patent: 5105447 (1992-04-01), Iwane

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