3D Placement of an Unmanned Aerial Vehicle Base Station for Maximum Coverage of Users with Different QoS Requirements

摘要

The need for a rapid-to-deploy solution for providing wireless cellularservices can be realized by unmanned aerial vehicle base stations (UAV-BSs). Tothe best of our knowledge, this letter is the first in literature that studiesa novel 3D UAV-BS placement that maximizes the number of covered users withdifferent Quality-of-Service requirements. We model the placement problem as amultiple circles placement problem and propose an optimal placement algorithmthat utilizes an exhaustive search (ES) over a one-dimensional parameter in aclosed region. We also propose a low-complexity algorithm, namely, maximalweighted area (MWA) algorithm to tackle the placement problem. Numerical simulations are presented showing that the MWA algorithm performsvery close to the ES algorithm with a significant complexity reduction.