Title :
Efficient early stopping method for LDPC decoding based on check-node messages
Author :
Cai, Z.H. ; Hao, J. ; Sethakaset, U.
Author_Institution :
Inst. for Infocomm Res., Singapore
Abstract :
An efficient early stopping method is proposed in this paper to reduce the average number of iterations for low density parity check (LDPC) decoders. The method is very efficient especially when the channel signal-to-noise ratio (SNR) is low. It is based on the estimation of the log-likelihood ratio (LLR) messages of the check nodes.
Keywords :
log normal distribution; parity check codes; LDPC decoding; channel signal-to-noise ratio; check-node messages; early stopping method; log-likelihood ratio messages; low density parity check decoders; Convergence; Coordinate measuring machines; Digital communication; Digital video broadcasting; Equations; Iterative algorithms; Iterative decoding; Parity check codes; Performance loss; Signal to noise ratio;
Conference_Titel :
Signals, Systems and Computers, 2008 42nd Asilomar Conference on
Conference_Location :
Pacific Grove, CA
Print_ISBN :
978-1-4244-2940-0
Electronic_ISBN :
1058-6393
DOI :
10.1109/ACSSC.2008.5074448
