Non-orthogonal multiple access and beamforming for relay network with RF energy harvesting

被引：11
|
作者：
Pham Thanh Hiep [1 ]
Tran Manh Hoang [2 ]
机构：
[1] Le Quy Don Tech Univ, Hanoi, Vietnam
[2] Nha Trang Telecommun Univ, Nha Trang, Vietnam
来源：
ICT EXPRESS | 2020年 / 6卷 / 01期
关键词：
Non-orthogonal multiple-access; Energy harvesting; Radio frequency; Successive-interference cancellation; Beamforming;
D O I：
10.1016/j.icte.2019.05.004
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Downlink multi-user non-orthogonal multiple access (NOMA) relay systems, that are wirelessly powered by harvesting energy from radio frequency, are taken into consideration. To enhance the performance of the NOMA multiuser systems, the base station (BS) is equipped with multiple antennas to make a beamforming for transmitting information signal and energy. The close-form outage probability expressions of proposed system over Rayleigh fading channels are derived and the analytical analysis is verified by computer simulations. (C) 2020 The Korean Institute of Communications and Information Sciences (KICS). Publishing services by Elsevier B.V.
引用
收藏
页码：11 / 15
页数：5
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