Success Probability of Cell-Boundary Users via A Flying UAV in Cellular Networks.
IEEE Wireless Communications and Networking Conference(2024)
Abstract
In cellular networks, the performance of cell-boundary users with almost equal distance from the serving base station (BS) and the nearest interfering BS(s) is extremely poor. In order to improve the performance of these users, this paper proposes a cell-boundary UAV deployment scheme. To quantify the performance enhancement, the locations of BSs are modeled as a Poisson point process forming Voronoi cells. Two distinct types of cell-boundary users located at the vertices and boundaries of Voronoi cells are served by a UAV-mounted BS hovering over them, and the success probabilities of these two types of users are derived with the stochastic geometry tool. Furthermore, the asymptotic success probabilities are obtained to analyze the performance in high-reliability regime and an effective approximation is proposed based on the asymptotic behavior to simplify the performance evaluation. Finally, the re-sults highlight the substantial performance enhancement achieved through UAV-assisted communication for the cell-boundary users.
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Key words
Cellular Networks,Unmanned Aerial Vehicles,Probability Of User,Poorest,Cell Binding,Ergogenic,Base Station,Types Of Users,Poisson Process,Voronoi Diagram,User Location,Equal Distance,User Performance,Stochastic Geometry,Locations Of Base Stations,Service Quality,Probability Density Function,Path Loss,Path Loss Exponent,Severe Interference,Signal-to-interference Ratio,Unmanned Aerial Vehicle Altitude,Term In The Denominator,Behavior In Regime,Inter-cell Interference,Benchmark Schemes
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