Flexible Coordinated Beamforming with Lattice Reduction for Multi-User Massive MIMO Systems

被引：0
|
作者：
Zu, Keke [1 ]
Song, Bin [1 ]
Haardt, Marlin [1 ]
de Lamare, Rodrigo C. [2 ,3 ]
机构：
[1] Ilmenau Univ Technol, Commun Res Lab, POB 100565, D-98684 Ilmenau, Germany
[2] Univ York, CETUC, Dept Elect, York YO10 5DD, N Yorkshire, England
[3] Pontificia Univ Catolica Rio de Janeiro, Rio de Janeiro, Brazil
来源：
2014 PROCEEDINGS OF THE 22ND EUROPEAN SIGNAL PROCESSING CONFERENCE (EUSIPCO) | 2014年
关键词：
DOWNLINK;
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：
The application of precoding algorithms in multiuser massive multiple-input multiple-output (MU-Massive-MIMO) systems is restricted by the dimensionality constraint that the number of transmit antennas has to be greater than or equal to the total number of receive antennas. In this paper, a lattice reduction (LR)-aided flexible coordinated beamforming (LR-FlexCoBF) algorithm is proposed to overcome the dimensionality constraint in overloaded MU-Massive-MIMO systems. A random user selection scheme is integrated with the proposed LR-FlexCoBF to extend its application to MU-Massive-MIMO systems with arbitary overloading levels. Simulation results show that significant improvements in terms of bit error rate (BER) and sum-rate performances can be achieved by the proposed LR-FlexCoBF precoding algorithm.
引用
收藏
页码：336 / 340
页数：5
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