Separation of Source-Network Coding and Channel Coding in Wireline Networks

In this paper, we prove the separation of source-network coding and channel coding in wireline networks. For the purposes of this paper, a wireline network is any network of independent, memoryless, point-to-point, and finite-alphabet channels used to transmit dependent sources either losslessly or...

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Bibliographic Details
Published in:IEEE transactions on information theory Vol. 61; no. 4; pp. 1524 - 1538
Main Authors: Jalali, Shirin, Effros, Michelle
Format: Journal Article
Language:English
Published: New York IEEE 01.04.2015
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Channel coding
Coding theory
Decoding
Electronics
Entropy
Niobium
Noise measurement
Normal distribution
Vectors
Xenon
network coding
wireline network
Source coding
channel coding
separation
ISSN:0018-9448, 1557-9654
Online Access:Get full text
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Summary:In this paper, we prove the separation of source-network coding and channel coding in wireline networks. For the purposes of this paper, a wireline network is any network of independent, memoryless, point-to-point, and finite-alphabet channels used to transmit dependent sources either losslessly or subject to a distortion constraint. In deriving this result, we also prove that in a general memoryless network with dependent sources, lossless, and zero-distortion reconstruction are equivalent provided that the conditional entropy of each source given the other sources is nonzero. Furthermore, we extend the separation result to the case of continuous-alphabet and point-to-point channels, such as additive white Gaussian noise channels.
Bibliography:SourceType-Scholarly Journals-1
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ISSN:0018-9448
1557-9654
DOI:10.1109/TIT.2015.2397932