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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/13000

Title: A Lower Bound Analysis of Hamming Distortion for a Binary CEO Problem with Joint Source-Channel Coding
Authors: He, Xin
Zhou, Xiaobo
Komulainen, Petri
Juntti, Markku
Matsumoto, Tad
Keywords: Hamming distortion lower bound
binary CEO problem
binary multiterminal source coding
rate-distortion outer bound
Issue Date: 2015-11-09
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Magazine name: IEEE Transactions on Communications
Volume: 64
Number: 1
Start page: 343
End page: 353
DOI: 10.1109/TCOMM.2015.2499179
Abstract: A two-node binary chief executive officer (CEO) problem is investigated. Noise-corrupted versions of a binary sequence are forwarded by two nodes to a single destination node over orthogonal additive white Gaussian noise (AWGN) channels. We first reduce the binary CEO problem to a binary multiterminal source coding problem, of which an outer bound for the rate-distortion region is derived. The distortion function is then established by evaluating the relationship between the binary CEO and multiterminal source coding problems. A lower bound approximation on the Hamming distortion (HD) is obtained by minimizing a distortion function subject to constraints obtained based on the source-channel separation theorem. Encoding/ decoding algorithms using concatenated convolutional codes and a joint decoding scheme are used to verify the lower bound on the HD. It is found that the theoretical lower bounds on the HD and the computer simulation based bit error rate performance curves have the same tendencies. The differences in the threshold signal-to-noise ratio between the theoretical lower bounds and those obtained by simulations are around 1:5 dB in AWGN channel. The theoretical lower bound on the HD in block Rayleigh fading channel is also evaluated by performing Monte Carlo simulation.
Rights: This is the author's version of the work. Copyright (C) 2015 IEEE. IEEE Transactions on Communications, 64(1), 2015, 343-353. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
URI: http://hdl.handle.net/10119/13000
Material Type: author
Appears in Collections:b10-1. 雑誌掲載論文 (Journal Articles)

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