Title :
Quasi Cyclic-LDPC codes based on PEG algorithm with maximized girth property
Author :
Prompakdee, Patanasak ; Phakphisut, Watid ; Supnithi, Pornchai
Author_Institution :
Coll. of Data Storage Innovation, King Mongkut´´s Inst. of Technol. Ladkrabang, Bangkok, Thailand
Abstract :
In this paper, we propose a method to construct parity-check matrices of Quasi Cyclic (QC) LDPC codes based on the progressive edge-growth (PEG) algorithm with maximized girth property. The proposed algorithm can eliminate short cycles and improve the decoding performance. Simulation results illustrate that the codes constructed with the proposed algorithm have superior performance to the previous PEG-QC codes over the additive white Gaussian noise (AWGN) channel. At the BER of 10-7, the coding gain of 0.005 dB.
Keywords :
AWGN channels; channel coding; cyclic codes; decoding; matrix algebra; parity check codes; AWGN channel; PEG algorithm; PEG-QC codes; QC-LDPC codes; additive white Gaussian noise channel; decoding performance; gain 0.005 dB; girth property maximization; parity-check matrices; progressive edge-growth algorithm; quasicyclic-LDPC codes; Helium; Parity check codes; LDPC codes; progressive edge growth (PEG) algorithm; quasi-cyclic LDPC codes;
Conference_Titel :
Intelligent Signal Processing and Communications Systems (ISPACS), 2011 International Symposium on
Conference_Location :
Chiang Mai
Print_ISBN :
978-1-4577-2165-6
DOI :
10.1109/ISPACS.2011.6146165
