research-article

Trajectory optimization and resource allocation for UAV base stations under in-band backhaul constraint

Authors:

Dongdong Huang,

Guangchi Zhang,

Fan LinAuthors Info & Claims

EURASIP Journal on Wireless Communications and Networking, Volume 2020, Issue 1

https://doi.org/10.1186/s13638-020-01700-w

Published: 28 April 2020 Publication History

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 efficiency of a UAV-BS while guaranteeing user fairness under in-band backhaul constraint. We propose to maximize the minimum user rate among all the users served by the UAV-BS by jointly optimizing the allocation of bandwidth and transmit power, as well as the trajectory of the UAV-BS. As the formulated problem is non-convex, we propose an efficient algorithm to solve it suboptimally based on the alternating optimization and successive convex optimization methods. Computer simulation results show that the proposed algorithm achieves a significantly higher minimum user rate than the benchmark schemes.

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Cited By

Adil MSong HJan MKhan MHe XFarouk AJin Z(2024)UAV-Assisted IoT Applications, QoS Requirements and Challenges with Future Research DirectionsACM Computing Surveys10.1145/365728756:10(1-35)Online publication date: 10-Apr-2024
https://dl.acm.org/doi/10.1145/3657287
Sheng ZFu HNasir AWang RMuqaibel AFang Y(2022)Joint uplink and downlink scheduling and UAV trajectory design in the presence of multiple unfriendly jammers and eavesdroppersPhysical Communication10.1016/j.phycom.2022.10165753:COnline publication date: 1-Aug-2022
https://dl.acm.org/doi/10.1016/j.phycom.2022.101657

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Information & Contributors

Information

Published In

cover image EURASIP Journal on Wireless Communications and Networking

EURASIP Journal on Wireless Communications and Networking Volume 2020, Issue 1

Nov 2020

3514 pages

ISSN:1687-1472

EISSN:1687-1499

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© The Author(s) 2020.

Publisher

Hindawi Limited

London, United Kingdom

Publication History

Published: 28 April 2020

Accepted: 04 April 2020

Received: 21 November 2019

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Cited By

Adil MSong HJan MKhan MHe XFarouk AJin Z(2024)UAV-Assisted IoT Applications, QoS Requirements and Challenges with Future Research DirectionsACM Computing Surveys10.1145/365728756:10(1-35)Online publication date: 10-Apr-2024
https://dl.acm.org/doi/10.1145/3657287
Sheng ZFu HNasir AWang RMuqaibel AFang Y(2022)Joint uplink and downlink scheduling and UAV trajectory design in the presence of multiple unfriendly jammers and eavesdroppersPhysical Communication10.1016/j.phycom.2022.10165753:COnline publication date: 1-Aug-2022
https://dl.acm.org/doi/10.1016/j.phycom.2022.101657

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