University of Oulu

D. De Paiva Mucin, D. P. M. Osorio and E. E. B. Olivo, "Wireless-Powered Full-Duplex UAV Relay Networks Over FTR Channels," in IEEE Open Journal of the Communications Society, vol. 2, pp. 2205-2218, 2021, doi:

Wireless-powered full-duplex UAV relay networks over FTR channels

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Author: De Paiva Mucin, Daniel1; Moya Osorio, Diana Pamela2; Benitez Olivo, Edgar Eduardo1
Organizations: 1São Paulo State University (UNESP), Campus of São João da Boa Vista, São João da Boa Vista, Brazil
2Centre for Wireless Communications, University of Oulu, Oulu, Finland
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 1.7 MB)
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Language: English
Published: Institute of Electrical and Electronics Engineers, 2021
Publish Date: 2021-12-09


A thorough understanding of fundamental limits of wireless-powered unmanned aerial vehicle (UAV) relay networks in millimeter waves is still missing. We narrow this gap by investigating the outage performance of a UAV-assisted wireless network over fluctuating two-ray (FTR) channels. The FTR fading model is particularly appealing since well characterizes the wireless propagation in a wide range of frequencies, including those in millimeter waves. The proposed setup consists of a source-destination pair communicating with the assistance of a UAV, which is a wireless-powered relay station operating in full-duplex mode under the amplify-and-forward protocol. For the wireless energy harvesting at the UAV, wireless power transfer (WPT), simultaneous wireless information and power transfer (SWIPT), and self-recycling energy techniques are employed together. To characterize the system outage probability, we obtain an integral-form expression derived from an approximate analysis and a simple closed-form expression derived from an asymptotic analysis at the high signal-to-noise ratio (SNR) regime. Monte Carlo simulations are provided to validate the correctness of our theoretical results and provide insights on the network performance in terms of key system parameters. Interestingly, obtained results show that the FTR fading parameters corresponding to the first hop and second hop play no role on the system outage performance at high SNR. Instead, it is mainly governed by the effect of the residual self-interference at the UAV, leading to outage floors.

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Series: IEEE open journal of the Communications Society
ISSN: 2644-125X
ISSN-E: 2644-125X
ISSN-L: 2644-125X
Volume: 2
Pages: 2205 - 2218
DOI: 10.1109/OJCOMS.2021.3113023
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 the National Council for Scientific and Technological Development (CNPq) under Grant 421850/2018-3, and in part by the Academy of Finland through 6Genesis Flagship under Grant 318927 and FAITH Project under Grant 334280.
Academy of Finland Grant Number: 318927
Detailed Information: 318927 (Academy of Finland Funding decision)
334280 (Academy of Finland Funding decision)
Copyright information: © The Authors 2021. This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see