RF Lens-Embedded Massive MIMO Systems: Fabrication Issues and Codebook Design

被引：42

作者：

Kwon, Taehoon ^{[1
]}

Lim, Yeon-Geun ^{[1
]}

Min, Byung-Wook ^{[2
]}

Chae, Chan-Byoung ^{[1
]}

机构：

[1] Yonsei Univ, Sch Integrated Technol, Seoul 03722, South Korea

[2] Yonsei Univ, Dept Elect & Elect Engn, Seoul 03722, South Korea

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2016年 / 64卷 / 07期

关键词：

Beam propagation method; limited channel feedback; massive multiple-input multiple-output (MIMO); multivariance codebook quantization (MVCQ) method; radio frequency (RF) lens antenna; COMPRESSED CHANNEL FEEDBACK; LIMITED FEEDBACK; WIRELESS; ARCHITECTURE; PERFORMANCE; APERTURE;

D O I：

10.1109/TMTT.2016.2574849

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, we investigate a radio frequency (RF) lens-embedded massive multiple-input multiple-output (MIMO) system and evaluate the system performance of limited feedback by utilizing a technique for generating a suitable codebook for the system. We fabricate an RF lens that operates on a 77-GHz (millimeter-wave) band. Experimental results show a proper value of amplitude gain and an appropriate focusing property. In addition, using a simple numerical technique-beam propagation method-we estimate the power profile of the RF lens and verify its accordance with experimental results. We also design a codebook-multivariance codebook quantization-for limited feedback by considering the characteristics of the RF lens antenna for massive MIMO systems. Numerical results confirm that the proposed system shows significant performance enhancement over a conventional massive MIMO system without an RF lens.

引用

页码：2256 / 2271

页数：16

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