Multiuser Two-Way Amplify-and-Forward Relay Processing and Power Control Methods for Beamforming Systems

被引：227

作者：

Joung, Jingon ^{[1
]}

Sayed, Ali H. ^{[2
]}

机构：

[1] Inst Infocomm Res, Dept Modulat & Coding, Singapore 119613, Singapore

[2] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA

来源：

IEEE TRANSACTIONS ON SIGNAL PROCESSING | 2010年 / 58卷 / 03期

关键词：

Beamforming; minimum mean-square error (MMSE); multiple-input multiple-output (MIMO); multiuser; power control; two-way relay; zero-forcing (ZF); CHANNEL; NETWORKS;

D O I：

10.1109/TSP.2009.2038668

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, multiple-input multiple-output (MIMO) relay transceiver processing is proposed for multiuser two-way relay communications. The relay processing is optimized based on both zero-forcing (ZF) and minimum mean-square-error (MMSE) criteria under relay power constraints. Various transmit and receive beamforming methods are compared including eigen beamforming, antenna selection, random beamforming, and modified equal gain beamforming. Local and global power control methods are designed to achieve fairness among all users and to maximize the system signal-to-noise ratio (SNR). Numerical results show that the proposed multiuser two-way relay processing can efficiently eliminate both co-channel interference (CCI) and self-interference (SI).

引用

页码：1833 / 1846

页数：14

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