On-Demand Deployment of Aerial Base Stations for Coverage Enhancement in Reconfigurable Intelligent Surface-Assisted Cellular Networks on Uneven Terrains
Date
2023
Authors
Savkin, A.V.
Huang, C.
Ni, W.
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IEEE Communications Letters, 2023; 27(2):666-670
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Andrey V. Savkin, Chao Huang, and Wei Ni
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Abstract
This letter considers the problem of placing aerial base stations (BSs), also known as Unmanned Aerial Vehiclebased BSs (UAV-BSs), to communicate with ground users in cellular networks on uneven terrains. Reconfigurable Intelligent Surfaces (RISs) are deployed on the uneven terrains to assist with the UAV-BSs in eliminating coverage blind spots and extending coverage. Signals are transmitted by the UAV-BSs either directly or via RISs. We develop a new UAV-BS deployment algorithm to maximize coverage. The convergence of the algorithm is analyzed. Simulation results demonstrate the effectiveness of our algorithm.
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© 2022 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission.