Interference Alignment Aided by Relays for the Quasi-Static X Channel

被引：0

作者：

Jin, Dong-Sup ^{[1
]}

No, Jong-Seon ^{[1
]}

Shin, Dong-Joon ^{[2
]}

机构：

[1] Seoul Natl Univ, Dept EECS, Seoul 151742, South Korea

[2] Hanyang Univ, Dept EE, Seoul 133791, South Korea

来源：

2011 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY PROCEEDINGS (ISIT) | 2011年

基金：

新加坡国家研究基金会;

关键词：

Full-duplex relaying; half-duplex relaying; interference alignment (IA); relay-aided interference alignment; X channel; FREEDOM;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

In this paper, two relay-aided interference alignment (IA) schemes are proposed for the quasi-static M x 2 X channel. The first scheme utilizes one full-duplex relay and the second scheme utilizes two half-duplex relays. In the proposed schemes, transmitters transmit in every time slot and relays operate in amplify-and-forward (AF) mode. By confirming the linear independence between the desired signals and interference and also among the desired signals, it is shown that the proposed schemes can achieve 2M/(M + 1) degrees of freedom (DoF) which is the maximum DoF of M x 2 X channel.

引用

页码：2637 / 2641

页数：5

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