New Weighted Bit-Flipping Decoding Algorithm for LDPC Codes

DOI

10.2991/3ca-13.2013.94How to use a DOI?

Keywords

LDPC Codes; WBF (Weighted Bit-Flipping); Message Reliability formatting

Abstract

Several Weighted BF (WBF) algorithms are investigated in this paper, and a novel modified reliability-ratio based WBF (MRWBF) decoding algorithm for LDPC codes is proposed. WBF algorithm considers the influence of parity information on the error metric. Based on WBF, the improved WBF (IWBF) algorithm further uses the feature of message reliability on the symbol decision. The reliability-ratio based WBF (RRWBF) can eliminate the defect of requiring off-line pre-processing in IWBF. Our proposed MRWBF further removes the step of calculating normalized weighted parameters in RRWBF and achieves more reduction in decoding complexity. The results of simulations show that the proposed algorithm is feasible, effective, and can achieve good decoding performance.

Copyright

© 2013, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Zijian Dong
AU  - Tiecheng Song
PY  - 2013/04
DA  - 2013/04
TI  - New Weighted Bit-Flipping Decoding Algorithm for LDPC Codes
BT  - Proceedings of the 2nd International Symposium on Computer, Communication, Control and Automation
PB  - Atlantis Press
SP  - 384
EP  - 386
SN  - 1951-6851
UR  - https://doi.org/10.2991/3ca-13.2013.94
DO  - 10.2991/3ca-13.2013.94
ID  - Dong2013/04
ER  -