DocumentCode :
2049907
Title :
Construction of QC-LDPC codes based on PSO algorithm
Author :
Yang Yang ; Yang Xiao
Author_Institution :
Inst. of Inf. Sci., Beijing Jiaotong Univ., Beijing, China
fYear :
2011
fDate :
27-30 Nov. 2011
Firstpage :
118
Lastpage :
122
Abstract :
The well known Tanner codes are not encodable, in this paper, we derived an encodable QC LDPC codes and use PSO algorithm to determine the parameters of the parity check matrices of the QC LDPC codes. The proposed PSO code construction considers the girth 4 and BER performance to be the constrained conditions in the fitness function of PSO algorithm. Simulation results show that the QC codes constructed by the proposed method have better performance than that of random LDPC codes.
Keywords :
parity check codes; random codes; PSO algorithm; QC LDPC codes; Tanner codes; code construction; parity check matrices; Particle swarm optimization; QC-LDPC; circulant matrix;
fLanguage :
English
Publisher :
iet
Conference_Titel :
Wireless, Mobile & Multimedia Networks (ICWMMN 2011), 4th IET International Conference on
Conference_Location :
Beijing
Electronic_ISBN :
978-1-84919-507-2
Type :
conf
DOI :
10.1049/cp.2011.0971
Filename :
6197838
Link To Document :
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