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http://dx.doi.org/10.6109/jkiice.2020.24.12.1639

A Data Ferrying-Based Virtual Full-Duplex Relaying Scheme with Two UAVs  

Woo, Dong Hyuck (Department of Computer Engineering, Kwangwoon University)
Hwang, Ho Young (School of Computer and Information Engineering, Kwangwoon University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.24, no.12, 2020 , pp. 1639-1645 More about this Journal
Abstract
In this paper, we propose a virtual full-duplex relaying scheme based on data ferrying using two unmanned aerial vehicles (UAVs). By utilizing high mobility of two UAVs, the proposed relaying scheme can make each UAV communicate with a source node or a destination node when the UAV is near the source node or the destination node. The proposed relaying scheme can overcome the performance limitations of the half-duplex relaying and the implementation constraints of the full-duplex relaying. In addition, we propose an algorithm to shift the center point of two UAVs' trajectory with consideration of inter-relay interference (IRI). We show the simulation results of our proposed trajectory's center point shift algorithm. From the simulation results, it is shown that our proposed relaying scheme can achieve higher end-to-end spectral efficiency (SE) than the conventional static relaying scheme.
Keywords
UAV; Relay; Data ferrying; Virtual full-duplex;
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