Compact and wideband millimetre wave circularly polarised antenna array based on a SICL to waveguide transition

被引：18

作者：

Cheng, Li ^{[1
]}

Fan, Kui-Kui ^{[1
]}

Hao, Zhang-Cheng ^{[1
]}

Hong, Wei ^{[1
]}

机构：

[1] Southeast Univ, Sch Informat Sci & Engn, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China

来源：

IET MICROWAVES ANTENNAS & PROPAGATION | 2017年 / 11卷 / 14期

基金：

中国国家自然科学基金;

关键词：

DESIGN; SINGLE;

D O I：

10.1049/iet-map.2017.0454

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 study, a planar compact circularly polarised antenna array is proposed for 71-78 GHz E-band applications. The antenna array consists of four cavity-backed patch antennas, which are fed by substrate integrated coaxial line (SICL). A novel waveguide-to-SICL transition is introduced to serve as a power divider for simplifying the sequential-rotation feed network. The achieved bandwidth with S-11 < -10 dB is 19.9% (68.1-83.2 GHz). The measured axial ratio bandwidth below 3 dB is about 9.3% (71-78 GHz) and the measured peak gain is 12.3 dBi. The measured data are in good agreement with the simulated results.

引用

页码：2097 / 2103

页数：7

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