2020
DOI: 10.1186/s13638-020-01700-w
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Trajectory optimization and resource allocation for UAV base stations under in-band backhaul constraint

Abstract: The application of unmanned aerial vehicles (UAVs) to emerging communication systems has attracted a lot of research interests due to the advantages of UAVs, such as high mobility, flexible deployment, and cost-effectiveness. The UAV-carried base stations (UAV-BS) can provide on-demand service to users in temporary or emergency events. However, how to optimize the communication performance of a UAV-BS with a limited-bandwidth wireless backhaul is still a challenge. This paper focuses on improving the spectrum … Show more

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Cited by 13 publications
(3 citation statements)
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“…To obtain the best response of cluster C i , the power of the other clusters is fixed. This best response is the solution to optimization problem (19). We use the Dinkelbach method to solve the optimization problem (19) because its objective function is a concave-convex fraction.…”
Section: Ncg For Followers (Clusters)mentioning
confidence: 99%
See 2 more Smart Citations
“…To obtain the best response of cluster C i , the power of the other clusters is fixed. This best response is the solution to optimization problem (19). We use the Dinkelbach method to solve the optimization problem (19) because its objective function is a concave-convex fraction.…”
Section: Ncg For Followers (Clusters)mentioning
confidence: 99%
“…This best response is the solution to optimization problem (19). We use the Dinkelbach method to solve the optimization problem (19) because its objective function is a concave-convex fraction. In detail, we introduce a new variable λ C i , and the optimization problem ( 19) can be rewritten as max…”
Section: Ncg For Followers (Clusters)mentioning
confidence: 99%
See 1 more Smart Citation