Advanced Hybrid Beamforming Technique in MU-MIMO Systems

被引：3
|
作者：
Shim, Seong-Joon [1 ]
Lee, Seulgi [1 ]
Lee, Won-Seok [1 ]
Ro, Jae-Hyun [1 ]
Baik, Jung-In [2 ]
Song, Hyoung-Kyu [1 ]
机构：
[1] Sejong Univ, Dept Informat & Commun Engn, Seoul 05006, South Korea
[2] Sejong Univ, Autonomous Intelligent Unmanned Flying Vehicles I, Seoul 05006, South Korea
来源：
APPLIED SCIENCES-BASEL | 2020年 / 10卷 / 17期
基金：
新加坡国家研究基金会;
关键词：
mmWave; FCS hybrid beamforming; PCS hybrid beamforming; RSS;
D O I：
10.3390/app10175961
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This paper proposes a high performance wireless commmunication technology in MU-MIMO systems. The millimeter wave (mmWave) communication technology was considered for the future wireless communication systems such as the fifth-generation new radio (5G NR). In 5G NR, the mmWave communication technology was studied to increase the use of wide bandwidth and the data rate. Therefore, MU-MIMO systems can be used in mmWave. To decrease the complexity of conventional digital beamforming system, the hybrid beamforming system was studied. In particular, the proposed hybrid beamforming system improves the error performance and average sum rate in partially connected structure (PCS) hybrid beamforming system. The proposed PCS hybrid beamforming system forms variously combined beam patterns using the information of azimuth and elevation angles for the multi-paths according to the number of bits. In addition, the azimuth and elevation angles among the formed beam patterns are estimated according to the received signal strength (RSS). In the simulation results, the proposed PCS hybrid beamforming system has better error performance and the average sum rate than the conventional hybrid beamforming system.
引用
收藏
页数：13
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