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Joint location and transmit power optimization for NOMA-UAV networks via updating decoding order
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Zhang, Ran, Pang, Xiaowei, Tang, Jie, Chen, Yunfei, Zhao, Nan and Wang, Xianbin (2020) Joint location and transmit power optimization for NOMA-UAV networks via updating decoding order. IEEE Wireless Communications Letters . p. 1. doi:10.1109/LWC.2020.3023253 (In Press)
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WRAP-Joint-transmit-power-optimization-NOMA-UAV-decoding-Chen-2020.pdf - Accepted Version - Requires a PDF viewer. Download (677Kb) | Preview |
Official URL: http://dx.doi.org/10.1109/LWC.2020.3023253
Abstract
Unmanned aerial vehicle (UAV) can be combined with non-orthogonal multiple access (NOMA) to achieve better performance. However, jointly optimizing the location, transmit power and decoding order for NOMA-UAV networks remains difficult, due to the change of decoding order as a result of UAV mobility. In this letter, a low-complexity scheme is proposed to maximize the sum rate of NOMA-UAV networks via updating decoding order, which can be decomposed into two steps. First, the joint location and power optimization can be divided into two non-convex sub-problems, which are further approximated via successive convex optimization. Then, the decoding order is updated according to the optimized UAV location. An iterative algorithm is proposed to execute the two steps alternately. In addition, the asymptotic performance is analyzed. Simulation results demonstrate the effectiveness of the proposed scheme.
| Item Type: | Journal Article | |||||||||
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| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering T Technology > TL Motor vehicles. Aeronautics. Astronautics |
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| Divisions: | Faculty of Science > Engineering | |||||||||
| Library of Congress Subject Headings (LCSH): | Drone aircraft , Drone aircraft -- Control systems, Multiple access protocols (Computer network protocols) , Wireless communication systems, Wireless power transmission, Interference (Aerodynamics) | |||||||||
| Journal or Publication Title: | IEEE Wireless Communications Letters | |||||||||
| Publisher: | IEEE | |||||||||
| ISSN: | 2162-2337 | |||||||||
| Official Date: | 2020 | |||||||||
| Dates: |
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| Date of first compliant deposit: | 18 September 2020 | |||||||||
| Page Range: | p. 1 | |||||||||
| DOI: | 10.1109/LWC.2020.3023253 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | In Press | |||||||||
| Publisher Statement: | © 2020 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 | |||||||||
| RIOXX Funder/Project Grant: |
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