Stochastic Analysis of Cooperative Satellite-UAV Communications
Yu Tian, Gaofeng Pan, and Mohamed-Slim Alouini

TL;DR
This paper analyzes the coverage performance of a dual-hop satellite-UAV communication system using stochastic geometry, deriving analytical expressions for coverage probability under various interference scenarios.
Contribution
It introduces a novel stochastic model for satellite-UAV links with Matérn hard-core point process for CH placement and derives closed-form coverage probability expressions.
Findings
Coverage probability expressions are validated by numerical results.
Interference significantly impacts coverage in CH-UAV links.
Analytical models help optimize satellite-UAV communication performance.
Abstract
In this paper, a dual-hop cooperative satellite-unmanned aerial vehicle (UAV) communication system including a satellite (S), a group of cluster headers (CHs), which are respectively with a group of uniformly distributed UAVs, is considered. Specifically, these CHs serve as aerial decode-and-forward relays to forward the information transmitted by S to UAVs. Moreover, free-space optical (FSO) and radio frequency (RF) technologies are respectively adopted over S-CH and CH-UAV links to exploit FSO's high directivity over long-distance transmission and RF's omnidirectional coverage ability. The positions of the CHs in the 3-dimensional space follow the Mat\'ern hard-core point processes type-II in which each CH can not be closer to any other ones than a predefined distance. Three different cases over CH-UAV links are considered during the performance modeling: interference-free,…
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Taxonomy
TopicsSatellite Communication Systems · Advanced Wireless Communication Technologies · UAV Applications and Optimization
