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Backhaul For Low-Altitude UAVs in Urban Environments
Unmanned Aerial Vehicles (UAVs) acting as access points in cellular networks
require wireless backhauls to the core network. In this paper we employ
stochastic geometry to carry out an analysis of the UAV backhaul performance
that can be achieved with a network of dedicated ground stations. We provide
analytical expressions for the probability of successfully establishing a
backhaul and the expected data rate over the backhaul link, given either an LTE
or a millimeter-wave backhaul. We demonstrate that increasing the density of
the ground station network gives diminishing returns on the performance of the
UAV backhaul, and that for an LTE backhaul the ground stations can benefit from
being colocated with an existing base station network
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