DocumentCode
1657802
Title
Semi-random construction of quasi-cyclic LDPC codes
Author
Lin, Dengsheng ; Qiang Li ; Li, Shaoqian
Author_Institution
Coll. of Commun. & Inf., Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Volume
1
fYear
2005
Firstpage
9
Abstract
This paper presents a semi-random construction of quasi-cyclic LDPC codes, namely, the base incidence vectors are generated by computer search, and then the remainder incidence vectors are obtained by cyclically shifting these base incidence vectors. It is more flexible to construct QC-LDPC than pure geometric or algebraic methods. The simulation results demonstrate that QC-LDPC codes based on this method work quite well.
Keywords
cyclic codes; parity check codes; random codes; QC-LDPC codes; base incidence vectors; computer search; quasi-cyclic LDPC codes; remainder incidence vectors; semi-random construction; Block codes; Combinatorial mathematics; Computational modeling; Degradation; Educational institutions; Geometry; Parity check codes; Sparse matrices; Sum product algorithm; Turbo codes;
fLanguage
English
Publisher
ieee
Conference_Titel
Communications, Circuits and Systems, 2005. Proceedings. 2005 International Conference on
Print_ISBN
0-7803-9015-6
Type
conf
DOI
10.1109/ICCCAS.2005.1493351
Filename
1493351
Link To Document