Apparatus and method for generating (n, 3) code and (n, 4)...

Details Apparatus and method for generating (n, 3) code and (n, 4)... Apparatus and method for generating (n, 3) code and (n, 4)...

2005-02-01

2005-02-01

Torres, Joseph D (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S774000, C714S776000, C714S757000

Reexamination Certificate

active

06851085

ABSTRACT:
An apparatus and method for generating a (n,3) code and a (n,4) code using simplex codes are disclosed. To encode a 3-bit information bit stream to a (n,3) codeword with n code symbols, a simplex encoder generates a first-order Reed-Muller codeword with (P+1) code symbols from the input information bit stream for n>P, and punctures the first code symbol of the (P+1) first-order Reed-Muller code symbols to produce a (P,3) simplex codeword. An interleaver permutates the P code symbols of the (P,3) simplex codeword by columns according to a predetermined pattern. A repeater repeats the column-permutated (P,3) simplex codeword until the number of repeated codes is n and outputs a (n,3) codeword with the n repeated code symbols.

REFERENCES:
patent: 6341125 (2002-01-01), Hong et al.
patent: 6732316 (2004-05-01), Tong et al.
patent: 20020010893 (2002-01-01), Kim et al.

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