Interference Alignment for Multi-User Multi-Way Relaying X Networks

被引：0
|
作者：
Long, Wei [1 ]
Lv, Tiejun [1 ]
Gao, Hui [1 ]
Lu, Yueming [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Informat & Commun Engn, Beijing 100876, Peoples R China
来源：
2012 IEEE 75TH VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING) | 2012年
关键词：
FREEDOM; FEASIBILITY; PROTOCOLS;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper, we consider a multi-way relaying channel where 2K users are divided into two groups averagely and each of them exchanges messages with every user of the other group via an intermediate relay. We term it multi-user multi-way relaying X network. We design the beamforming vectors at the users and the relay to achieve an interference alignment (IA) solution. Meanwhile, we investigate the feasibility conditions on the required amount of antennas for each node. Brief theoretical analysis and numerical simulations have been provided to demonstrate that the degrees of freedom (DOF) of 2K(2) is obtained.
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页数：5
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