Title:
QUASI-CYCLIC LDPC CODING AND DECODING METHOD AND APPARATUS, AND LDPC CODER AND DECODER
Document Type and Number:
WIPO Patent Application WO/2018/059588
Kind Code:
A1
Abstract:
A quasi-cyclic LDPC coding and decoding method and apparatus, and an LDPC coder and decoder. The method comprises: determining from a mother basis matrix set a basis matrix used for low density parity check (LDPC) coding (S202), wherein the basis matrix used for LDPC coding comprises a first-type element and a second-type element, the first-type element corresponds to an all-zero square matrix, the second-type element corresponds to a matrix obtained by means of a cyclic shift of a unit matrix according to a value of the second-type element, and dimensions of the all-zero square matrix and the unit matrix are equal; and performing LDPC coding on an information sequence to be coded according to the basis matrix used for LDPC coding, and/or performing LDPC decoding on a data sequence to be decoded according to the basis matrix used for LDPC coding (S204). The present invention solves the problem in the related art that LDPC coding and decoding processes lack flexibility, thereby improving the flexibility of the LDPC coding and decoding process.
Inventors:
LI LIGUANG (CN)
XU JUN (CN)
XU JIN (CN)
XU JUN (CN)
XU JIN (CN)
Application Number:
PCT/CN2017/104913
Publication Date:
April 05, 2018
Filing Date:
September 30, 2017
Export Citation:
Assignee:
ZTE CORP (CN)
International Classes:
H03M13/11
Foreign References:
| CN102386932A | 2012-03-21 | |||
| CN102412842A | 2012-04-11 | |||
| CN102064835A | 2011-05-18 | |||
| US20100318872A1 | 2010-12-16 |
Other References:
See also references of EP 3522379A4
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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