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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/17502

Title: LDPC-based Joint Source Channel Coding and Decoding Strategies for single relay cooperative communications
Authors: Ben Abdessalem, Marwa
Zribi, Amin
Matsumoto, Tadashi
Dupraz, Elsa
Bouall`egu, Ammar
Keywords: Source Channel Coding Strategies
Joint Source Channel coding/decoding
LDPC codes
cooperative communication
Issue Date: 2020-02
Publisher: Elsevier
Magazine name: Physical Communication
Volume: 38
DOI: 10.1016/j.phycom.2019.100947
Abstract: This paper investigates new cooperative communication strategies based on Low-Density Parity-Check codes (LDPC) with Joint Source-Channel (JSC) coding and decoding algorithms to efficiently deliver a correlated content to a destination node. The proposed strategies rely on double LDPC codes where the source and the channel coding are similar to standard LDPC operations, and can be mapped on Tanner graphs for message-passing decoding. Three coding strategies are proposed where different LDPC source and channel coding setups are applied at the source node and the relay node. For each transmission strategy, we propose a graph mapping the whole network, over which iterative message-passing decoding is applied, and where the probability of errors in the source-relay link are taken into account. We showed, based on computer simulations, that the proposed strategies can provide substantial improvements compared to equivalent rates point-to-point systems. Simulation results also showed that the system performance depends on the relay position, and that adapting the source and the relay channel coding rates accordingly can enhance the overall system performance for a time-varying network.
Rights: Copyright (C)2020, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International license (CC BY-NC-ND 4.0). [http://creativecommons.org/licenses/by-nc-nd/4.0/] NOTICE: This is the author's version of a work accepted for publication by Elsevier. Marwa Ben Abdessalem, Amin Zribi, Tadashi Matsumoto, Elsa Dupraz, Ammar Bouall`egue, Physical Communication, 38, 2020, https://doi.org/10.1016/j.phycom.2019.100947
URI: http://hdl.handle.net/10119/17502
Material Type: author
Appears in Collections:b10-1. 雑誌掲載論文 (Journal Articles)

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