University of Oulu

E. N. Egashira, D. P. M. Osorio and E. E. B. Olivo, "Impact of Wireless Energy Transfer Strategies on the Secrecy Performance of Untrustworthy Relay Networks," in IEEE Transactions on Vehicular Technology, vol. 71, no. 6, pp. 6859-6863, June 2022, doi: 10.1109/TVT.2022.3163888.

Impact of wireless energy transfer strategies on the secrecy performance of untrustworthy relay networks

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Author: Egashira, Edson Nobuyuki1,2; Osorio, Diana Pamela Moya2; Olivo, Edgar Eduardo Benitez1
Organizations: 1São Paulo State University (UNESP), São João da Boa Vista, Brazil
2Centre for Wireless Communications, University of Oulu, Oulu, Finland
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 0.2 MB)
Persistent link:
Language: English
Published: Institute of Electrical and Electronics Engineers, 2022
Publish Date: 2022-09-12


This work investigates the secrecy outage performance of a dual-hop relaying network with an untrustworthy energy-constrained amplify-and-forward relay. A destination-based jamming technique is adopted in order to prevent the relay from decoding confidential messages from the source. Additionally, three time switching-based wireless energy transfer strategies are investigated for supplying power to the relay. For these three strategies, we derive simple closed-form asymptotic expressions for the secrecy outage probability at high signal-to-noise ratio. Moreover, we provide analytical expressions for the optimum power allocation factor for the information transmission phase. Finally, Monte Carlo simulations are carried out to verify the theoretical results through different illustrative cases.

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Series: IEEE transactions on vehicular technology
ISSN: 0018-9545
ISSN-E: 1939-9359
ISSN-L: 0018-9545
Volume: 71
Issue: 6
Pages: 6859 - 6863
DOI: 10.1109/TVT.2022.3163888
Type of Publication: A1 Journal article – refereed
Field of Science: 213 Electronic, automation and communications engineering, electronics
Funding: This work was supported in part by Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brazil (CAPES)—Finance Code 001, in part by the Brazilian National Council for Scientific and Technological Development (CNPq) under Grant 421850/2018-3, in part by the Academy of Finland 6G Flagship program under Grant 346208, and in part by Project FAITH under Grant 334280.
Academy of Finland Grant Number: 346208
Detailed Information: 346208 (Academy of Finland Funding decision)
334280 (Academy of Finland Funding decision)
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