Title :
Minimum distance bounds of irregular QC-LDPC codes and their applications
Author :
Shin, Min-Ho ; Kim, Joon-Sung ; Song, Hong-Yeop
Author_Institution :
Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul
Abstract :
We consider a design of quasicyclic LDPC codes which have irregular column weights. We derive bit-oriented bound and parity-oriented bound on the minimum distances of irregular quasicyclic codes using a similar technique to Tanner´s simple lower bound
Keywords :
cyclic codes; matrix algebra; parity check codes; bit-oriented bound; irregular column weight; irregular quasicyclic LDPC codes; low density parity check codes; minimum distance bounds; parity-oriented bound; Block codes; Design engineering; Eigenvalues and eigenfunctions; Parity check codes; Polynomials;
Conference_Titel :
Information Theory, 2004. ISIT 2004. Proceedings. International Symposium on
Conference_Location :
Chicago, IL
Print_ISBN :
0-7803-8280-3
DOI :
10.1109/ISIT.2004.1365348
