Title :
The analysis of cycle structure for a class of quasi-cyclic LDPC codes
Author :
Lei, Jing ; Wang, Jianhui ; Gao, Yongqiang
Author_Institution :
Nat. Univ. of Defense Technol., Changsha, China
Abstract :
In this paper, we analyse the cycle structure of a class of quasi-cyclic LDPC codes, and divide the cycles of this kind of LDPC codes into three classes. It offers some help for improving the existing construction algorithms of this kind of LDPC codes. The cycles in base matrix could be extended as long as possible when p the row¿s(or column¿s) number of block-elements was prime.
Keywords :
cyclic codes; matrix algebra; parity check codes; base matrix cycle; low-density parity-check code; quasi cyclic LDPC code; Algorithm design and analysis; Assembly; Bit error rate; Encoding; Error correction codes; Parity check codes; Performance analysis; Shift registers;
Conference_Titel :
Communication Systems, 2008. ICCS 2008. 11th IEEE Singapore International Conference on
Conference_Location :
Guangzhou
Print_ISBN :
978-1-4244-2423-8
Electronic_ISBN :
978-1-4244-2424-5
DOI :
10.1109/ICCS.2008.4737394
