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Analysis of energy transfer efficiency in UAV-enabled wireless networks

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Yan, Hua, Chen, Yunfei and Yang, S. (2019) Analysis of energy transfer efficiency in UAV-enabled wireless networks. Physical Communication, 37 . 100849. doi:10.1016/j.phycom.2019.100849

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Official URL: https://doi.org/10.1016/j.phycom.2019.100849

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Abstract

Wireless power transfer (WPT) is a promising charging technology for battery-limited sensors. In this paper, we study the energy transfer in a wireless network using an unmanned aerial vehicle (UAV). Instead of charging the remote wireless sensors directly from the access point (AP), we study the schemes of using a UAV to charge the remote wireless sensors after it is charged by the AP. To this end, two schemes are proposed. The performances of these two schemes are examined and compared with the conventional scheme without using a UAV. A distance threshold beyond which the new schemes have superiority over the conventional scheme is derived by solving energy equations. Numerical results show that the proposed schemes can achieve significantly higher energy efficiency than the conventional scheme when the transmission distance is within the derived critical range.

Item Type: Journal Article
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology > TL Motor vehicles. Aeronautics. Astronautics
Divisions: Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH): Wireless power transmission , Drone aircraft , Drone aircraft -- Energy consumption , Energy transfer
Journal or Publication Title: Physical Communication
Publisher: Elsevier BV
ISSN: 1874-4907
Official Date: December 2019
Dates:
DateEvent
December 2019Published
12 September 2019Available
5 September 2019Accepted
Date of first compliant deposit: 10 September 2019
Volume: 37
Article Number: 100849
DOI: 10.1016/j.phycom.2019.100849
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
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