Abstract:
Unmanned Aerial Vehicle (UAV) deployment as an
aerial base station in fifth-generation (5G) communication system
has emerged as a promising technology to provide seamless
communication in a geographical region. The UAV’s high mobility potential offers additional degrees of freedom for effective
deployment. Therefore, the three-dimensional (3D) deployment of
UAV is one of the key challenges in UAV-assisted communication
systems. In this paper, we address the problem of UAV deployment in 3D space to provide on-demand coverage to the ground
users to maximize the sum rate. We consider realistic UAV-ground
channel model derived from extensive experiments. The problem
formulated is non-convex. To obtain the optimal location, we
approximate the rate expression to identify the concave regions
and propose a low-complexity solution by applying alternating
optimization. Through simulation results, we provide valuable
insights into the low-complexity solution.
