Title :
Second Support Weight Distribution of Regular LDPC Code Ensembles
Author :
Itsui, Takayuki ; Kasai, Kenta ; Ikegaya, Ryoji ; Shibuya, Tomoharu ; Sakaniwa, Kohichi
Author_Institution :
Dept. of Commun. & Integrated Syst., Tokyo Inst. of Technol.
Abstract :
The support weight distribution of a code is the number of unique subspaces of the code with specified dimension and support weight. In this paper, we formulate the average second support weight distribution and its asymptotic exponent of regular LDPC code ensembles
Keywords :
parity check codes; regular LDPC code ensembles; second support weight distribution; Argon; Bipartite graph; Character generation; Decoding; Distributed computing; Educational technology; Joining processes; Mercury (metals); Multimedia systems; Parity check codes;
Conference_Titel :
Information Theory, 2006 IEEE International Symposium on
Conference_Location :
Seattle, WA
Print_ISBN :
1-4244-0505-X
Electronic_ISBN :
1-4244-0504-1
DOI :
10.1109/ISIT.2006.261666