Shortened fire code error-trapping decoding method and apparatus

Details Shortened fire code error-trapping decoding method and apparatus Shortened fire code error-trapping decoding method and apparatus

Filed on

1996-12-05

Date issued

1999-08-10

Examiner

Moise, Emmanuel L.

Patent Class

Excavating

Other Related Categories

371 377, 371 45, H03M 1300

Type

Patent

Status

active

Patent number

059369787

Description

ABSTRACT:
An error-trapping decoder is provided that performs right cyclic shifts of a received shortened codeword in a decode shift register. Consequently, the error burst portion of the received codeword is encountered in the register within the length of the shortened code. In other words, the number of right cyclic shifts required by the shift register to encounter the error burst portion of the received word is on the order of the length of the shortened word.

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patent: 5377207 (1994-12-01), Perlman
patent: 5381423 (1995-01-01), Turco
IBM Technical Disclosure Bulletin, vol. 30, No. 5, Oct. 1987, "Reverse Rotation Fire Code ECC Correction", pp. 41-44, XP002056638.
Prentice-Hall, Englewood Cliffs, NJ, 1983, "Cyclic Codes", S. Lin and D. J. Costello, pp. 85-124 XP002056639.
Prentice-Hall, Englewood Cliffs, NJ, 1983, "Burst-Error-Correcting Codes", S. Lin and D. J. Costello, pp. 257-269, XP002056640.

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