Majority voting scheme for hard error sites

Details Majority voting scheme for hard error sites Majority voting scheme for hard error sites

1997-12-16

2000-03-28

Nguyen, Hoa T.

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

714 5, G06F 1108

Patent

active

060444878

ABSTRACT:
A data recovery scheme is disclosed wherein a majority voting scheme arrives at the correct data and resolves ties with a minimum number of reads. The method includes reading at least one instance of data including a first set of ECC checkbytes from a media, each instance of data and ECC checkbytes comprising a string of bits, forming a voting data string from a majority value for each bit position in the string of bits, generating a second set of ECC checkbytes using the voted data string and returning the voted data sting to a host if the second set of ECC checkbytes is equal to the first set of ECC checkbytes.

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patent: 5553231 (1996-09-01), Papenberg et al.
patent: 5588012 (1996-12-01), Oizumi
patent: 5903717 (1999-05-01), Wardrop
IBM Technical Disclosure Bulletin, vol. 18, No. 6, Armonk, NY, J.S.A., pp. 1987-1988, "Pseudo-Random Recording Channel" (Nov. 1975).

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