Title:
ENCODING METHOD AND DEVICE AND DECODING METHOD AND DEVICE FOR STRUCTURED LDPC
Document Type and Number:
WIPO Patent Application WO/2017/193614
Kind Code:
A1
Abstract:
An encoding method and device and a decoding method and device for a structured LDPC. The encoding method comprises: determining a basic matrix used for encoding, the basic matrix comprising one or more submatrixes. The submatrix comprises an upper-left submatrix Hb1 and an upper-left submatrix Hb2, wherein the number of rows and the number of columns of the upper-left submatrix Hb1 and the number of rows and the number of columns of the upper-left submatrix Hb2 are respectively smaller than those of the base matrix Hb, and the upper-left submatrix Hb1 is an upper-left submatrix of the upper-left submatrix Hb2; and performing an LDPC encoding operation on a source information bit sequence according to the basic matrix and an expansion factor Z corresponding to the basic matrix, so as to obtain a codeword sequence, wherein Z is a positive integer greater than or equal to 1. The problem in the related art that an LDPC codec cannot support incremental redundancy HARQ and has insufficient flexibility is resolved.
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Inventors:
XU JUN (CN)
Application Number:
PCT/CN2017/070488
Publication Date:
November 16, 2017
Filing Date:
January 06, 2017
Export Citation:
Assignee:
ZTE CORP (CN)
International Classes:
H03M13/11
Foreign References:
| CN101325474A | 2008-12-17 | |||
| CN101217337A | 2008-07-09 | |||
| CN103236860A | 2013-08-07 | |||
| CN102412842A | 2012-04-11 |
Other References:
See also references of EP 3457575A4
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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