On secure wireless sensor networks with cooperative energy harvesting relaying

Nguyen, Anh-Nhat, Vo, Van Nhan, So-In, Chakchai, Ha, Dac-Binh, Sanguanpong, Surasak and Baig, Zubair 2019, On secure wireless sensor networks with cooperative energy harvesting relaying, IEEE access, doi: 10.1109/access.2019.2941915.

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Title On secure wireless sensor networks with cooperative energy harvesting relaying
Author(s) Nguyen, Anh-Nhat
Vo, Van Nhan
So-In, Chakchai
Ha, Dac-Binh
Sanguanpong, Surasak
Baig, ZubairORCID iD for Baig, Zubair orcid.org/0000-0002-9245-2703
Journal name IEEE access
Total pages 14
Publisher IEEE
Place of publication Piscataway, N.J.
Publication date 2019
ISSN 2169-3536
Summary In this paper, we investigate the physical layer security (PLS) of a wireless sensor network (WSN) that consists of a base station (BS), multiple sensor nodes (SNs), and multiple energy-limited relays (ERs) in the presence of a passive eavesdropper (EAV). We adopt a time-switching/power-splitting (TSPS) mechanism for information transmission. The communication protocol is divided into two phases. The purpose of the first phase is to decode information, and energy harvesting (EH) is performed in accordance with the TSPS protocol. The purpose of the second phase is to transmit information to multiple destinations using the amplify-and-forward (AF) technique. In this study, we introduce a multirelay cooperative scheme (MRCS) to improve the secrecy performance. We derive analytical expressions for the secrecy outage probability (SOP) of the MRCS and that of the noncooperative relay scheme (NCRS) by using the statistical characteristics of the signalto-noise ratio (SNR). Specifically, we propose an optimal relay selection scheme to guarantee the security of the system for the MRCS. In addition, Monte Carlo simulation results are presented to confirm the accuracy of our analysis based on simulations of the secrecy performance under various system parameters, such as the positions and number of ERs, the EH time, and the EH efficiency coefficients. Finally, the simulation results show that the secrecy performance of our MRCS is higher than that of the NCRS and the traditional cooperative relay scheme (TCRS).
Notes In Press
Language eng
DOI 10.1109/access.2019.2941915
Indigenous content off
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2019, IEEE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30129997

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