High-Gain Dual-Band Resonant Cavity Antenna for 5G Millimeter-Wave Communications

被引：16

作者：

Wen, Letian ^{[1
]}

Zhiqiang, Yu ^{[1
,2
]}

Zhu, Liyu ^{[1
]}

Zhou, Jianyi ^{[1
,2
]}

机构：

[1] Southeast Univ, Sch Informat Sci & Engn, State Key Lab Millimeter Waves, Nanjing 211189, Peoples R China

[2] Purple Mt Labs, Nanjing 210008, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2021年 / 20卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Antennas; Bandwidth; Antenna measurements; Dual band; Gain; Metals; 5G mobile communication; fifth generation (5G); high gain; resonant cavity antenna (RCA); WIDE-BAND; ARRAY; GUIDE;

D O I：

10.1109/LAWP.2021.3098390

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：

A high-gain dual-band resonant cavity antenna (RCA) for the fifth-generation (5G) millimeter-wave (MMW) communications is presented in this letter. The proposed antenna provides the high gain and large gain-bandwidth product over the 28 GHz band and the 38 GHz band. The heights of the second- and third-order resonant in the RCA are optimized for dual-band operation. Improvements on the gain and the bandwidth are achieved in both bands when stepped rings are added. The gain is further increased with a circular patch on a partially reflective surface, which is made by a substrate of high permittivity. Finally, a prototype is designed, simulated, and verified through measurement. Good performance is achieved: in the 26.5-28 GHz band, the bandwidth is 5.5% and the peak gain is 20.3 dBi; in the 37.5-39.4 GHz band, the bandwidth is 4.9% and the peak gain is 20.4 dBi. The proposed antenna has the features of low cost and easy fabrication as well.

引用

页码：1878 / 1882

页数：5

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