Downlink MISO-NOMA SWIPT Systems with Mini Time Slots

被引：0
|
作者：
Maneewan, Kanjanapat [1 ]
Woradit, Kampol [1 ]
Sangwongngam, Paramin [2 ]
Champrasert, Paskorn [1 ]
机构：
[1] Chiang Mai Univ, Fac Engn, Dept Comp Engn, OASYS Res Grp, Chiang Mai, Thailand
[2] Natl Elect & Comp Technol Ctr NECTEC, Spectroscop & Sensing Devices Res Grp SSDRG, Pathum Thani, Thailand
来源：
2022 37TH INTERNATIONAL TECHNICAL CONFERENCE ON CIRCUITS/SYSTEMS, COMPUTERS AND COMMUNICATIONS (ITC-CSCC 2022) | 2022年
关键词：
Simultaneous wireless information and power transfer (SWIPT); non-orthogonal multiple access (NOMA); time slot-based scheme;
D O I：
10.1109/ITC-CSCC55581.2022.9894900
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper investigates a scheme for simultaneous wireless information and power transfer (SWIPT)-based non-orthogonal multiple access (NOMA) systems. A novel SWIPT NOMA protocol is proposed to help the user with the lowest harvested energy by dividing each time slot into mini-slots and adjusting the beamforming of every mini slot to lift the energy level of the lowest energy user under minimum rate constraints. Since the problem is nonconvex, the heuristic scheme is proposed here. Numerical results show that our scheme offers higher harvested energy than that without minislots.
引用
收藏
页码：872 / 875
页数：4
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