Data coding with an efficient LDPC encoder

Details Data coding with an efficient LDPC encoder Data coding with an efficient LDPC encoder

2006-06-06

2009-12-01

Chase, Shelly A (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Error/fault detection technique

Reexamination Certificate

active

07627805

ABSTRACT:
A method of coding data for transmission in a communication medium or channel. A codeword is generated from a mother code parity check matrix and a macro matrix. The mother code parity check matrix includes sub-matrices that are m-by-m square matrices with cyclic structure, and the macro matrix includes elements that represent nonzero sub-matrices of the mother code parity check matrix.

REFERENCES:
patent: 6785863 (2004-08-01), Blankenship et al.
patent: 7139959 (2006-11-01), Hocevar
patent: 7162684 (2007-01-01), Hocevar
Richardson et al., Efficient encoding of low density parity check codes, Feb. 2001, IEEE Trans. on Info. theory, vol. 47, No. 2, p. 638-656.
Cambridge University Press 2003,Part VI Sparse Graph Codes, pp. 556-573.
John R. Barry,Low-Density Parity-Check Codes, Georgia Institute of Technology, Oct. 5, 2001, pp. 1-20.

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