Design of high gain, broadband cylindrical dielectric resonator antenna

被引：14

作者：

Wang, Y. -F. ^{[1
]}

Denidni, T. A. ^{[2
]}

Zeng, Q. -S. ^{[3
]}

Wei, G. ^{[1
]}

机构：

[1] Northwestern Polytech Univ, Sch Elect & Informat, Xian 710129, Peoples R China

[2] Univ Quebec, INRS EMT, Montreal, PQ H5A 1K6, Canada

[3] Commun Res Ctr Canada, Wireless Technol Branch, Ottawa, ON K2H 8S2, Canada

来源：

ELECTRONICS LETTERS | 2013年 / 49卷 / 24期

关键词：

broadband antennas; dielectric resonator antennas; microwave antennas; high gain broadband cylindrical dielectric resonator antenna; high-gain cylindrical dielectric resonator antenna; DRA; metallic cylinder; intermediate layer structure; surface wave propagation; gain improvement; voltage standing wave ratio; frequency; 5; 4 GHz to 6; 8; GHz;

D O I：

10.1049/el.2013.2741

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 new high-gain cylindrical dielectric resonator antenna (DRA) with a large bandwidth is proposed. A cylindrical dielectric resonator, an intermediate layer and a metallic cylinder are used to obtain a large bandwidth and a high gain. The intermediate layer structure can suppress surface wave propagation, which results in a gain improvement, and the cavity formed by the metallic cylinder provides a further higher gain. The measured results demonstrate that the proposed DRA achieves a large bandwidth of 23% from 5.4 to 6.8 GHz with a voltage standing wave ratio of < 2 and a high gain of around 11 dBi.

引用

页码：1506 / +

页数：2

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