Stochastic Analysis of Cooperative Satellite-UAV Communications

Yu Tian, Gaofeng Pan*, Mustafa A. Kishk, Mohamed Slim Alouini

*此作品的通讯作者

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29 引用 (Scopus)
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摘要

This paper considers a dual-hop cooperative satellite-unmanned aerial vehicle (UAV) communication system including a satellite (S) and a group of cluster headers (CHs) which are respectively with a group of uniformly distributed UAVs. Specifically, the CHs serve as aerial decode-and-forward relays to forward the information transmitted by the S to the UAVs. Moreover, free-space optical (FSO) and radio frequency (RF) technologies are respectively adopted over S-CH and CH-UAV links to exploit the high directivity of FSO over long-distance transmission and the omnidirectional coverage ability of RF. The positions of the CHs in the three-dimensional space follow the Matérn hard-core point processes type-II, in which each CH cannot be closer to another by less than a predefined distance. Three different cases over CH-UAV links are considered during the performance modeling: interference-free, interference-dominated, and interference-and-noise. Then, the coverage performance of the S-CH link and the CH-UAV link in the aforementioned three cases is studied and the closed-form analytical expressions of the coverage probability (CP) over both two links are derived. Additionally, the asymptotic expressions for the CP over S-CH link and CH-UAV link in the interference-free case are derived. Finally, numerical results are provided to validate our proposed analytical models and thus some meaningful conclusions are achieved.

源语言英语
页(从-至)3570-3586
页数17
期刊IEEE Transactions on Wireless Communications
21
6
DOI
出版状态已出版 - 1 6月 2022

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引用此

Tian, Y., Pan, G., Kishk, M. A., & Alouini, M. S. (2022). Stochastic Analysis of Cooperative Satellite-UAV Communications. IEEE Transactions on Wireless Communications, 21(6), 3570-3586. https://doi.org/10.1109/TWC.2021.3121299