Miniaturized Circular Polarized TE10-Mode Substrate-Integrated-Waveguide Antenna

被引：23

作者：

Kim, Kyeoungseob ^{[1
]}

Lim, Sungjoon ^{[1
]}

机构：

[1] Chung Ang Univ, Coll Engn, Sch Elect & Elect Engn, Seoul 156756, South Korea

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2014年 / 13卷

基金：

新加坡国家研究基金会;

关键词：

Miniaturized antenna; circular polarized antenna; circular polarization (CP); substrate integrated waveguide (SIW); dominant mode; RESONATOR; DESIGN; CAVITY;

D O I：

10.1109/LAWP.2014.2313747

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：

We propose a miniaturized circularly polarized (CP) antenna based on a substrate integrated waveguide (SIW) working in the dominant mode. To reduce the overall size, only 1/8 of the SIW cavity is used as the radiation aperture. The two cavities are orthogonally placed to allow CP operation. Because of the via walls on the SIW, the two cavities can be closely placed, which reduces the overall size as well. The performance of the devices is demonstrated using the simulated and measurement results. The 10-dB impedance bandwidth is 1.63-1.66 GHz, and the 3-dB axial-ratio bandwidth is 1.64-1.65 GHz. The measured peak gain and axial ratio are 0.7 dBi and 2.3 dB at 1.645 GHz, respectively.

引用

页码：658 / 661

页数：4

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