Wideband and High-Gain Fabry-Perot Cavity Antenna With Switched Beams for Millimeter-Wave Applications

被引：54

作者：

Guo, Qing-Yi ^{[1
]}

Wong, Hang ^{[1
]}

机构：

[1] City Univ Hong Kong, Dept Elect Engn, State Key Lab Millimeter Waves, Hong Kong, Peoples R China

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2019年 / 67卷 / 07期

关键词：

Fabry-Perot cavity (FPC) antenna; millimeter wave; quasi-curve reflector; switched beam; PARTIALLY REFLECTIVE SURFACES; RESONATOR ANTENNA; ENHANCEMENT; SUPERSTRATE; DESIGN;

D O I：

10.1109/TAP.2019.2905781

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：

This paper introduces a wideband millimeter-wave Fabry-Perot cavity (FPC) antenna with switched-beam radiations for 5G applications. A quasi-curve reflector is used to excite multiresonant modes in FPC. This method contributes to a wide operating bandwidth and a high antenna gain. The proposed FPC antenna consists of an SIW-based feeding source, a substrate-integrated quasi-curve reflector, and a partially reflective surface (PRS). For validation, a prototype of the FPC antenna is designed and fabricated with an impedance bandwidth of 24%. The antenna yields a measured gain of 17.6 dBi and a measured directivity of 18.8 dB at 60 GHz. The overall efficiency and aperture efficiency are 76% and 31%, respectively. In addition, a switched-beam antenna based on our proposed PFC antenna is designed and measured. It achieves three switched beams at -18 degrees, 0 degrees, and 18 degrees related to the broadside direction with a realized gain of 16 dBi at 60 GHz. Compared with the other switched-beam FPC antennas, the proposed antenna acquires the characteristics of wideband, high gain, and large beam tilted angle. This antenna technology finds a potential application in millimeter-wave communications such as 5G applications.

引用

页码：4339 / 4347

页数：9

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