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EURASIP Journal on Advances in Signal Processing
Article . 2005 . Peer-reviewed
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LDGM Codes for Channel Coding and Joint Source-Channel Coding of Correlated Sources

LDGM codes for channel coding and joint source-channel coding of correlated sources
Authors: Wei Zhong; Javier Garcia-Frías;

LDGM Codes for Channel Coding and Joint Source-Channel Coding of Correlated Sources

Abstract

Summary: We propose a coding scheme based on the use of systematic linear codes with low-density generator matrix (LDGM codes) for channel coding and joint source-channel coding of multiterminal correlated binary sources. In both cases, the structures of the LDGM encoder and decoder are shown, and a concatenated scheme aimed at reducing the error floor is proposed. Several decoding possibilities are investigated, compared, and evaluated. For different types of noisy channels and correlation models, the resulting performance is very close to the theoretical limits.

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Keywords

LDGM codes, LDPC codes, TK7800-8360, correlated sources, channel coding, joint source-channel coding., TK5101-6720, Source coding, iterative decoding, Hardware and Architecture, Signal Processing, Telecommunication, joint source-channel coding, Electronics, Electrical and Electronic Engineering

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    popularity
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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
56
Average
Top 10%
Top 10%
gold