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Reliability optimization for industrial WSNs with FD relays and multiple parallel connections

Research output: Contribution to journalArticlepeer-review

Jie Jia, Jian Chen, Yansha Deng, Xingwei Wang, Abdol Hamid Aghvami

Original languageEnglish
Article number102993
Published1 Apr 2021

Bibliographical note

Funding Information: This work was supported in part by the National Natural Science Foundation of China under Grants 61772126 , 61972079 , and 61872073 , in part by the National Key Research and Development Program of China under Grant 2018YFC0830601 , in part by the Fundamental Research Funds for the Central Universities under Grants N2016004 , N2016002 , and N2024005-1 , in part by the Central Government Guided Local Science and Technology Development Fund Project under Grant 2020ZY0003 , in part by the Young and Middle-aged Scientific and Technological Innovation Talent Support Program of Shenyang under Grant RC200548 , and in part by the Joint Funds of Ministry of Education with China Mobile under Grant MCM20180203 . Publisher Copyright: © 2021 Copyright: Copyright 2021 Elsevier B.V., All rights reserved.

King's Authors


This article investigates the ultra-reliable communication for industrial wireless sensor networks (IWSNs), where frequency diversity, path diversity and cooperative diversity are jointly investigated. We propose a novel IWSN equipped with the full-duplex (FD) relays and carrier aggregation (CA) technique, to improve the reliability of all sensors. We derive a closed-form expression for the reliability characterization based on signal-to-interference-plus-noise (SINR) model for sensors connecting to sink node either via FD relays or direct communications. We formulate a joint resource allocation problem for reliability maximization, considering sub-carrier assignment, relay selection and power control. We propose to apply the distributed decision making (DDM) framework to decouple the problem into two sub-problems and find the joint optimal solution in an iterative manner. We further propose an improved artificial bee colony algorithm to obtain the optimal results for each sub-problem. Our simulation results showcase the reliability increases with increasing the number of FD-relays and sub-carriers. We also show that the FD and CA techniques along with our proposed algorithm can be an effective way for improving the reliability of IWSNs.

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