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Placement and power allocation for NOMA-UAV networks
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Liu, Xiaonan, Wang, Jingjing, Zhao, Nan, Chen, Yunfei, Zhang, Shun, Ding, Zhiguo and Yu, F. Richard (2019) Placement and power allocation for NOMA-UAV networks. IEEE Wireless Communications Letters . doi:10.1109/LWC.2019.2904034 ISSN 2162-2337.
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WRAP-placement-power-allocation-NOMA-UAV-networks-Chen-2019.pdf - Accepted Version - Requires a PDF viewer. Download (1185Kb) | Preview |
Official URL: http://dx.doi.org/10.1109/LWC.2019.2904034
Abstract
Unmanned aerial vehicles (UAVs) can be used as flying base stations to provide ubiquitous connections for mobile devices in over-crowded areas. On the other hand, non-orthogonal multiple access (NOMA) is a promising technique to support massive connectivity. In this letter, the placement and power allocation (PA) are jointly optimized to improve the performance of the NOMA-UAV network. Since the formulated joint optimization problem is non-convex, the location of the UAV is first optimized, with the total path loss from the UAV to users minimized. Then, the PA for NOMA is optimized using the optimal location of the UAV to maximize the sum rate of the network. Simulation results are presented to show the effectiveness and efficiency of the proposed scheme for NOMA-UAV networks.
| Item Type: | Journal Article | ||||||
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| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering U Military Science > U Military Science (General) |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||
| Library of Congress Subject Headings (LCSH): | Drone aircraft, Multiple access protocols (Computer network protocols) | ||||||
| Journal or Publication Title: | IEEE Wireless Communications Letters | ||||||
| Publisher: | IEEE | ||||||
| ISSN: | 2162-2337 | ||||||
| Official Date: | 8 March 2019 | ||||||
| Dates: |
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| DOI: | 10.1109/LWC.2019.2904034 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Reuse Statement (publisher, data, author rights): | © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | ||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||
| Date of first compliant deposit: | 28 March 2019 | ||||||
| Date of first compliant Open Access: | 28 March 2019 |
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