Low Complexity DoA Estimation in Millimeter Wave MIMO with RF Lens

被引：0
作者：
Suk, Gee Yong [1 ]
Lim, Yeon-Geun [1 ]
Yilmaz, H. Birkan [1 ]
Shim, Jae-Nam [2 ]
Kim, Dong Ku [2 ]
Chae, Chan-Byoung [1 ]
机构：
[1] Yonsei Univ, Sch Integrated Technol, Inst Convergence Technol, Seoul, South Korea
[2] Yonsei Univ, Sch Elect & Elect Engn, Seoul, South Korea
来源：
2018 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC) | 2018年
关键词：
MASSIVE MIMO; TECHNOLOGY;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we propose a low complexity direction of arrival (DoA) estimation algorithm that operates in radio frequency (RF) lens-embedded millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems. In mmWave system, to compute the beamforming weighting coefficients in real-time, precise DoA estimation with low complexity is essential. We first investigate the conventional DoA estimation algorithms in mmWave MIMO systems and evaluate its performance. Then we introduce the Power pROfile Based Estimation (PROBE) algorithm for DoA estimation that operates in the RF lens-embedded system. We elaborate on the computational complexity of each algorithm in terms of the number of multiplication operations. We show that the proposed algorithm has a significant performance advantage in terms of estimation accuracy over other conventional algorithms in a complexity-constrained environment.
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页数：6
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