Method of encoding and decoding using LDPC code

Details Method of encoding and decoding using LDPC code Method of encoding and decoding using LDPC code

2011-04-26

2011-04-26

Baderman, Scott T (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

07934140

ABSTRACT:
A method of encoding/decoding using an LDPC code is disclosed, by which performance is enhanced and by which complexity is reduced. In encoding/decoding using an LDPC code defined by an (n−k)xn parity check matrix H, the present invention includes the step of performing the encoding/decoding input source data using the parity check matrix H including Hpand Hdto meet H=[Hd|Hp] (where Hdhas (n−k)×k dimensions, Hphas (n−k)×(n−k) dimensions), wherein if the Hpcomprises a plurality of zXz sub-matrices, each of the sub-matrices is an identity matrix or a zero matrix and wherein a column weight of each column of the Hpis at least 2.

REFERENCES:
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patent: 2003/0037298 (2003-02-01), Eleftheriou et al.
patent: 2004/0148560 (2004-07-01), Hocevar
patent: 2008/0163027 (2008-07-01), Richardson et al.
patent: 1443656 (2004-08-01), None
patent: 1511177 (2005-03-01), None

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