Wireless Powered Cooperative Relaying using NOMA with Imperfect CSI

被引：0
作者：
Dinh-Thuan Do [1 ]
Vaezi, Mojtaba [2 ]
Thanh-Luan Nguyen [3 ]
机构：
[1] Ton Duc Thang Univ, Fac Elect & Elect Engn, Wireless Commun Res Grp, Ho Chi Minh City, Vietnam
[2] Villanova Univ, Dept Elect & Comp Engn, Villanova, PA 19085 USA
[3] Bach Khoa Univ, Dept Elect Engn, Ho Chi Minh City, Vietnam
来源：
2018 IEEE GLOBECOM WORKSHOPS (GC WKSHPS) | 2018年
关键词：
NOMA; imperfect CSI; SWIPT; energy harvesting; outage probability; Nakagami-m fading; NONORTHOGONAL MULTIPLE-ACCESS; PERFORMANCE; INFORMATION; COMMUNICATION; NETWORKS; SYSTEMS;
D O I：
暂无
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：
The impact of imperfect channel state (CSI) information in an energy harvesting (EH) cooperative non-orthogonal multiple access (NOMA) network, consisting of a source, two users, and an EH relay is investigated in this paper. The relay is not equipped with a fixed power source and acts as a wireless powered node to help signal transmission to the users. Closed form expressions for the outage probability of both users are derived under imperfect CSI for two different power allocation strategies namely fixed and dynamic power allocation. Monte Carlo simulations are used to numerically evaluate the effect of imperfect CSI. These results confirm the theoretical outage analysis and show that NOMA can outperform orthogonal multiple access even with imperfect CSI.
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页数：6
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