Reference : Energy-efficient Trajectory Design for UAV-enabled Wireless Communications with Laten...

	Document type :	Scientific congresses, symposiums and conference proceedings : Unpublished conference
	Discipline(s) :	Engineering, computing & technology : Computer science
	Focus Areas :	Security, Reliability and Trust
	To cite this reference:	http://hdl.handle.net/10993/42426

Title :	Energy-efficient Trajectory Design for UAV-enabled Wireless Communications with Latency Constraints
Language :	English
Author, co-author :	Tran Dinh, Hieu [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Vu, Thang Xuan [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Chatzinotas, Symeon [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Ottersten, Björn [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Publication date :	3-Nov-2019
Number of pages :	6
Peer reviewed :	Yes
Audience :	International
Event name :	THE 53ND ANNUAL ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS, AND COMPUTERS, NOV. 2019.
Event date :	November 3 – 6, 2019
Event organizer :	IEEE
Event place (city) :	Asilomar Hotel and Conference Grounds, Pacific Grove, California
Event country :	USA
Keywords :	[en] UAV ; trajectory design ; energy minimization ; TSPTW
Abstract :	[en] This paper studies a new energy-efficient unmanned aerial vehicle (UAV)-enabled wireless communications, where the UAV acts as a flying base station (BS) to serve the ground users (GUs) within some predetermined latency limitations, e.g., requested timeout (RT). Our goal is to design the UAV trajectory to minimize the total energy consumption while satisfying the RT requirement from every GU, which is accomplished via two consecutive subproblems: traveling time minimization and energy minimization problems. Firstly, we propose two exhaustive search and heuristic algorithms based on the traveling salesman problem with time window (TSPTW) in order to minimize the UAV’s traveling time without violating the GUs’ RT requirements. While the exhaustive algorithm achieves the best performance at a high computation cost, the heuristic algorithm achieves a trade-off between the performance and complexity. Secondly, we minimize the total energy consumption, for a given trajectory, via a joint optimization of the UAV’s velocity along subsequent hops. Finally, numerical results are presented to demonstrate the effectiveness of our proposed algorithms. In particular, it is shown that the proposed solutions outperform the reference in terms of both energy consumption and outage performance.
Research centres :	Interdisciplinary Centre for Security, Reliability and Trust (SnT) > SIGCOM
Funders :	Fonds National de la Recherche - FnR
Target :	Researchers ; Professionals ; Students ; General public ; Others
Permalink :	http://hdl.handle.net/10993/42426
Other URL :	https://www.researchgate.net/publication/338258925_Energy-efficient_Trajectory_Design_for_UAV-enabled_Wireless_Communications_with_Latency_Constraints
FnR project :	FnR ; FNR11691338 > Bjorn Ottersten > ProCAST > Proactive Edge Caching for Content Delivery Networks powered by Hybrid Satellite/Terrestrial Backhauling > 01/07/2018 > 30/06/2021 > 2017

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