A Wireless Power Transfer Assisted NOMA Transmission Scheme for 5G and Beyond mMTC

被引：7
作者：
Goktas, Muhammed Burak [1 ]
Ding, Zhiguo [1 ]
机构：
[1] Univ Manchester, Sch Elect & Elect Engn, Manchester M13 9PL, Lancs, England
来源：
IEEE WIRELESS COMMUNICATIONS LETTERS | 2022年 / 11卷 / 06期
基金：
英国工程与自然科学研究理事会;
关键词：
Uplink; Optimization; Resource management; NOMA; Downlink; Linear programming; Interference cancellation; Non-orthogonal multiple access (NOMA); simultaneous wireless information and power transfer (SWIPT); full-duplex communications; 5G; B5G;
D O I：
10.1109/LWC.2022.3162411
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this letter, a wireless power transfer (WPT) assisted full-duplex non-orthogonal multiple access (WPT-NOMA) transmission scheme for massive machine type communications (mMTC) scenario in the 5G and beyond cellular networks has been investigated. The proposed WPT-NOMA allows uplink and downlink users to share energy and radio resources simultaneously, which is crucial in the mMTC scenario to support massive energy-constrained devices with limited radio resources. A resource allocation problem is formulated as an optimization problem to maximize the uplink data rate and minimize the effect of interference from full-duplex transmission. Moreover, to solve the problem, an alternating resource allocation algorithm is proposed. The provided numerical studies demonstrate that WPT-NOMA outperforms benchmark schemes significantly.
引用
收藏
页码：1239 / 1242
页数：4
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