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
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
收藏
页码:1506 / +
页数:2
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