Decoding Generalized Joint Channel Coding and Physical Network Coding in the LLR Domain

This letter develops a log-likelihood-ratio-based decoder for a generalized joint channel-coding-and-physical-network coding used in a two-way relay system. Assuming that the same low-density parity-check codes are used at the source nodes, the proposed decoder shows identical error performance as t...

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Bibliographic Details
Published in:IEEE signal processing letters Vol. 20; no. 2; pp. 121 - 124
Main Authors: Chen, Pingping, Fang, Yi, Wang, Lin, Lau, Francis C. M.
Format: Journal Article
Language:English
Published: IEEE 01.02.2013
Subjects:
AWGN channels
Channel coding
Complexity
Complexity theory
joint channel-coding-and-physical-network coding
log-likelihood ratio
Network coding
Rayleigh channels
two-way relay
ISSN:1070-9908, 1558-2361
Online Access:Get full text
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Summary:This letter develops a log-likelihood-ratio-based decoder for a generalized joint channel-coding-and-physical-network coding used in a two-way relay system. Assuming that the same low-density parity-check codes are used at the source nodes, the proposed decoder shows identical error performance as the probability-domain-based decoder but with a much lower computational complexity.
ISSN:1070-9908
1558-2361
DOI:10.1109/LSP.2012.2231070