Interference Alignment with Power Splitting Relays in Multi-User Multi-Relay Networks

被引：0
|
作者：
Chu, Man [1 ]
He, Biao [2 ]
Liao, Xuewen [1 ]
Gao, Zhenzhen [1 ]
Zhu, Shihua [1 ]
机构：
[1] Xi An Jiao Tong Univ, Dept Informat & Commun Engn, Xian, Shaanxi, Peoples R China
[2] Univ Calif Irvine, Ctr Pervas Commun & Comp, Irvine, CA USA
来源：
2017 IEEE 86TH VEHICULAR TECHNOLOGY CONFERENCE (VTC-FALL) | 2017年
基金：
中国国家自然科学基金;
关键词：
WIRELESS INFORMATION;
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：
In this paper, we study a multi-user multi-relay interference-channel network, where energy-constrained relays harvest energy from sources' radio frequency (RF) signals and use the harvested energy to forward the information to destinations. We adopt the interference alignment (IA) technique to address the issue of interference, and propose a novel transmission scheme with the IA at sources and the power splitting (PS) at relays. A distributed and iterative algorithm to obtain the optimal PS ratios is further proposed, aiming at maximizing the sum rate of the network. The analysis is then validated by simulation results. Our results show that the proposed scheme with the optimal design significantly improves the performance of the network.
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页数：5
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