Energy management scheme for wireless powered D2D users with NOMA underlaying full duplex UAV

Ishan Budhiraja, Neeraj Kumar, Mamoun Alazab, Sudhanshu Tyagi, Sudeep Tanwar, Gaurav Srivastava

Research output: Chapter in Book/Report/Conference proceedingConference Paper published in Proceedings

Abstract

Device-to-Device (D2D) communications underlaying Unmanned aerial vehicle (UAV) with its mobility extend the coverage and improve the data rate. In this paper, we propose an energy management scheme for wireless powered D2D users with NOMA underlaying full-duplex (FD) UAV. Here, the cellular transmitters (CTs) and D2D transmitters (DDTs) first harvest energy from the radio frequency (RF) signals of the UAV. Then, the CT communicates with the cellular receivers (CRs) using the FD-UAV as a relay. On the other hand, DDT communicates with its two D2D receivers (DDRs) using the NOMA. We formulate the problem as a mixed-integer non-linear programming (MINLP) form and then divide it into two sub-problems. In the first sub-problem, an optimal value of time allocation for energy harvesting (EH) for DMG is estimated, whereas, in the second subproblem, the power of DDT in each DMG is optimized using the variable changing technique. Finally, the joint time allocation and power control scheme is proposed to achieve the maximum energy-efficiency (EE). Numerical results demonstrated that the proposed scheme achieves better results as compared to the existing conventional NOMA and orthogonal multiple access (OMA) schemes.
Original languageEnglish
Title of host publicationDroneCom '20
Subtitle of host publicationProceedings of the 2nd ACM MobiCom Workshop on Drone Assisted Wireless Communications for 5G and Beyond
PublisherAssociation for Computing Machinery, Inc
Pages7-12
Number of pages6
ISBN (Print)978-1-4503-8105-5
DOIs
Publication statusPublished - Sep 2020
EventMobiCom '20: The 26th Annual International Conference on Mobile Computing and Networking - London, United Kingdom
Duration: 21 Sep 202025 Sep 2020
https://sigmobile.org/mobicom/2020/

Conference

ConferenceMobiCom '20
CountryUnited Kingdom
CityLondon
Period21/09/2025/09/20
Internet address

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