A novel probe-fed directional dielectric resonator antenna for mobile communication

被引：0

作者：

Luo, Wei ^{[1
]}

Jiang, Lanlan ^{[1
]}

Yi, Ren ^{[1
]}

机构：

[1] Chongqing Univ Posts & Telecommun, Inst Adv Sci, Coll Elect Engn, Chongqing, Peoples R China

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2023年 / 65卷 / 04期

基金：

中国国家自然科学基金;

关键词：

dielectric resonator antenna; directional radiation; Koch snowflake fractal; stacked structure; BANDWIDTH ENHANCEMENT; DESIGN; DRA;

D O I：

10.1002/mop.33530

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 directional dielectric resonator antenna (DDRA) for 5G mobile communication system is proposed. The antenna is side-fed with the metal probe to make it work in quasi-TE delta 11 mode, so as to realize the characteristics of directional radiation. The stacked structure is adopted, and the two side walls of the rectangular dielectric resonator parallel to the microstrip line are grooved to improve the frequency bandwidth of the antenna. Furtherly, the Koch snowflake fractal is used for the second iteration of the top cylindrical dielectric resonator, and the parasitic metal columns inside the DRA are also helpful for the enhancement of bandwidth. The prototype was fabricated and tested to verify the design, and the measured results show -10 dB impedance bandwidth of about 23% and an average gain of 5.2 dBi within the operation band.

引用

页码：994 / 1000

页数：7

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