Title :
An O(qlogq) log-domain decoder for non-binary LDPC over GF(q)
Author :
Liao, Chun-Hao ; Wang, Chien-Yi ; Liu, Chun-Hao ; Chiueh, Tzi-Dar
Author_Institution :
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei
fDate :
Nov. 30 2008-Dec. 3 2008
Abstract :
This paper presents a log-domain decoder for non-binary LDPC over GF(q). Comparing with the conventional O(q2) decoders, the proposed decoder can efficiently reduce the decoding complexity to O(qlogq) with only negligible degradation in BER. Comparisons on both simulated BER performance and computational complexity between the proposed and existing log-domain decoders are also provided.
Keywords :
Galois fields; computational complexity; decoding; error statistics; parity check codes; BER performance; GF; computational complexity; log-domain decoder; nonbinary LDPC; Bit error rate; Computational complexity; Computational modeling; Decoding; Degradation; Equations; Galois fields; Jacobian matrices; Parity check codes; Robustness;
Conference_Titel :
Circuits and Systems, 2008. APCCAS 2008. IEEE Asia Pacific Conference on
Conference_Location :
Macao
Print_ISBN :
978-1-4244-2341-5
Electronic_ISBN :
978-1-4244-2342-2
DOI :
10.1109/APCCAS.2008.4746352
