Transceiver Design for Hybrid One-Way and Two-Way Relay Networks

被引：2

作者：

Wang, Miao ^{[1
]}

Wang, Peng ^{[2
]}

Li, Yonghui ^{[2
]}

Zhong, Zhangdui ^{[1
]}

Wang, Fanggang ^{[1
]}

Vucetic, Branka ^{[2
]}

机构：

[1] Beijing Jiaotong Univ, State Key Lab Rail Traff Control & Safety, Beijing, Peoples R China

[2] Univ Sydney, Sch Elect & Informat Engn, Sydney, NSW 2006, Australia

来源：

IEEE SIGNAL PROCESSING LETTERS | 2014年 / 21卷 / 02期

基金：

澳大利亚研究理事会;

关键词：

Hybrid relay network; multi-antenna; power allocation; COOPERATION; SYSTEM;

D O I：

10.1109/LSP.2013.2296975

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：

Due to a variety of service types required by different users, unidirectional and bidirectional data transmissions may coexist in a relay network. In this letter, we consider such a hybrid one-way and two-way relay network, where both unidirectional and bidirectional data transmissions are delivered simultaneously between different user pairs via a common multi-antenna relay node. We first develop a relaying scheme that provides inter-pair interference free transmissions for all users. A near optimal power allocation method at the relay is then proposed to maximize the system sum rate. Numerical results show that our relaying scheme significantly outperforms the traditional zero-forcing based scheme.

引用

页码：204 / 207

页数：4

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