DocumentCode
2002502
Title
Detailed representation of irregular LDPC code ensembles and density evolution
Author
Kasai, Kenta ; Shibuya, Tomoharu ; Sakaniwa, Kohichi
Author_Institution
Dept. of Comm. & Integrated Syst., Tokyo Inst. of Technol., Japan
fYear
2003
fDate
29 June-4 July 2003
Firstpage
121
Abstract
We construct new families of low-density parity-check (LDPC) code ensembles which are subensembles of conventional irregular LDPC code ensembles and develop density evolution for those ensembles. Further, we find an ensemble which has a better threshold than that of its super ensemble.
Keywords
parity check codes; density evolution; irregular low-density parity-check code; Bipartite graph; Decision support systems; Educational technology; Electronic mail; Equations; H infinity control; Joining processes; Multimedia systems; Parity check codes; Research and development;
fLanguage
English
Publisher
ieee
Conference_Titel
Information Theory, 2003. Proceedings. IEEE International Symposium on
Print_ISBN
0-7803-7728-1
Type
conf
DOI
10.1109/ISIT.2003.1228135
Filename
1228135
Link To Document