Method of error detection and correction by majority

Details Method of error detection and correction by majority Method of error detection and correction by majority

1985-07-18

1987-06-02

Fleming, Michael R.

Excavating

371 22, 371 67, G06F 1100

Patent

active

046708804

ABSTRACT:
According to the present invention, each data (one byte data in the embodiments described below) is transferred three times in total. The original data is transferred as it is on one time, a data made by inverting the original data is transferred on another time, and a data made by permuting all bits of the original data on the remaining time. A receiver reconstructs the data by reconverting the inverted and bit permuted data to their original forms and determining a majority among these data and the separately transferred original data. The bit permuted data is generated, for example, by rotating right or left the original data by a predetermined number of bits utilizing a recirculating shift register. The receiver must perform a bit permuting operation which is reverse to that of the sender.

REFERENCES:
patent: 3772649 (1973-11-01), Haselwood
patent: 3895223 (1975-07-01), Newner
patent: 4001692 (1977-01-01), Fenwick
patent: 4295207 (1981-10-01), Resnick
patent: 4429391 (1984-01-01), Lee
patent: 4583224 (1986-04-01), Ishii
patent: 4604745 (1986-08-01), Takasaki

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