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Correlation Parameter Estimation for LDPC-Based Slepian-Wolf Coding
- Authors
- Fang, Yong; Jeong, Jechang
- Issue Date
- Jan-2009
- Publisher
- Institute of Electrical and Electronics Engineers
- Keywords
- Distributed Source Coding (DSC); Slepian-Wolf Coding (SWC); LDPC; Parameter Estimation
- Citation
- IEEE Communications Letters, v.13, no.1, pp 37 - 39
- Pages
- 3
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE Communications Letters
- Volume
- 13
- Number
- 1
- Start Page
- 37
- End Page
- 39
- ISSN
- 1089-7798
1558-2558
- Abstract
- Currently, many practical SWC systems are implemented using the low-density parity-check (LDPC) codes in which the virtual correlation channel between source and side information is modeled as a binary symmetric channel (BSC) characterized by the crossover probability. This paper is contributed to the estimation of crossover probability through the probability mass function (PMF) of the magnitudes of log-likelihood ratio (LLR) messages. Simulation. results are given to verify our proposed method.
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