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Joint Power Allocation and Splitting Control in SWIPT-Aided Multi-carrier NOMA System

Tang, J; Luo, J; Ou, J; Zhang, X; Zhao, N; So, D; Wong, KK; (2020) Joint Power Allocation and Splitting Control in SWIPT-Aided Multi-carrier NOMA System. In: International Conference on 5G for Future Wireless Networks. (pp. pp. 86-100). International Conference on 5G for Future Wireless Networks 6GN 2020: 6GN for Future Wireless Networks pp 86-100: Cham, Switzerland. Green open access

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Abstract

The combination of non-orthogonal multiple access (NOMA) and simultaneous wireless information and power transfer (SWIPT) contributes to improve the spectral efficiency (SE) and the energy efficiency (EE) at the same time. In this paper, we investigate the throughput maximization problem for the downlink multi-carrier NOMA (MC-NOMA) system with the application of power splitting (PS)-based SWIPT, in which power allocation and splitting are jointly optimized with the constraints of maximum transmit power supply as well as the minimum demand for energy harvesting (EH). To tackle the non-convex problem, a dual-layer approach is developed, in which the power allocation and splitting control are separated and the corresponding sub-problems are respectively solved through Lagrangian duality method. Simulation results validate the theoretical findings and demonstrate the superiority of the application of PS-based SWIPT to MC-NOMA over SWIPT-aided single-carrier NOMA (SC-NOMA) and SWIPT-aided orthogonal multiple access (OMA).

Type: Proceedings paper
Title: Joint Power Allocation and Splitting Control in SWIPT-Aided Multi-carrier NOMA System
Event: 6GN for Future Wireless Networks Third EAI International Conference (6GN 2020)
ISBN-13: 978-3-030-63940-2
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/978-3-030-63941-9_7
Publisher version: https://doi.org/10.1007/978-3-030-63941-9_7
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Multi-carrier non-orthogonal multiple access (MC-NOMA), Simultaneous wireless information and power transfer (SWIPT), Deep learning
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10124128
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