Article (Périodiques scientifiques)
Physical Layer Security in AF-Based Cooperative SWIPT Sensor Networks
Nguyen, Tan N.; Tran, Dinh-Hieu; Chien, Trinh Van et al.
2022In IEEE Sensors Journal
Peer reviewed vérifié par ORBi
 

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Résumé :
[en] Physical layer security (PLS) with radio-frequency (RF) energy harvesting (EH) in wireless sensor networks has received significant interest as a technology for secure information transmission and prolonging the network lifetime as well as improving energy efficiency. This paper investigates PLS for a simultaneous wireless information and power transfer (SWIPT) cooperative network, which consists of multiple sensor sources, one EH relay (R), and one destination (D) in the presence of one eavesdropper (E). Further, a low-complexity, suboptimal, yet efficient sensor source selection scheme is proposed. Specifically, one sensor source is chosen to transmit information to the relay and destination such that it obtains the best channel from sensor sources to the relay. Then, by considering two relaying strategies, termed the direct link plus static power splitting-based relaying (SPSR) and direct link plus optimal dynamic power splitting-based relaying (ODPSR), the performance analysis in terms of intercept probability (IP) and outage probability (OP) are carried out for each one. Notably, the eavesdropper and destination utilize maximal ratio combining (MRC) to incorporate the received signals from the selected sensor source and the relay, which poses new challenges in obtaining the analytical expressions. In this context, we derive analytical expressions for the OP (for SPSR and ODPSR) at the destination and the IP (for SPSR) at the eavesdropper by adopting the series representation of the modified Bessel function. Finally, Monte Carlo simulations are conducted to validate the theoretical analysis and the proposed schemes’ effectiveness. Simulation results show the superiority of our scheme compared to the benchmarks.
Disciplines :
Sciences informatiques
Auteur, co-auteur :
Nguyen, Tan N.
Tran, Dinh-Hieu
Chien, Trinh Van
Phan, Van-Duc
Nguyen, Nhat-Tien
Voznak, Miroslav
CHATZINOTAS, Symeon  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Co-auteurs externes :
yes
Langue du document :
Anglais
Titre :
Physical Layer Security in AF-Based Cooperative SWIPT Sensor Networks
Date de publication/diffusion :
01 décembre 2022
Titre du périodique :
IEEE Sensors Journal
ISSN :
1530-437X
eISSN :
1558-1748
Maison d'édition :
Institute of Electrical and Electronics Engineers, New York, Etats-Unis - New York
Peer reviewed :
Peer reviewed vérifié par ORBi
Focus Area :
Computational Sciences
Organisme subsidiant :
Van Lang University, Vietnam
Ministry of Education, Youth and Sports of the Czech Republic (Grant Number: SP2022/5 and e-INFRA CZ (ID:90140))
10.13039/100000001-National Science Foundation (Grant Number: CNS-2128448)
Disponible sur ORBilu :
depuis le 27 décembre 2022

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