Method of joint decoding of possibly mutilated code words

Details Method of joint decoding of possibly mutilated code words Method of joint decoding of possibly mutilated code words

2007-02-27

2007-02-27

Decady, Albert (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S780000, C714S797000

Reexamination Certificate

active

10506375

ABSTRACT:
A method of decoding possibly mutilated code words (r) of a code (C) includes decoding the differences (D) of a number (L−1) of pairs of possibly mutilated code words (rib, ri+1) to obtain estimates (u, v) for the differences of the corresponding pairs of code words (ci, ci+1), combining the estimates (u, v) to obtain a number (L) of at least two corrupted versions (wj) of a particular code word (c), forming a code vector (z) from the number (L) of corrupted versions (wj) of the particular code word (c) in each coordinate, decoding the code vector (z) to a decoded code word (c′) in the code (C), and using the generator matrix (G) to obtain the information word (m) and the address word (a) embedded in the decoded code word (c′).

REFERENCES:
patent: 4951284 (1990-08-01), Abdel-Ghaffar et al.
patent: 5949796 (1999-09-01), Kumar
patent: 6246698 (2001-06-01), Kumar
patent: 6289000 (2001-09-01), Yonge, III
patent: 2003/0066014 (2003-04-01), van Dijk et al.
patent: 2003/0095056 (2003-05-01), Tolhuizen et al.

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