Unidirectional antenna with loaded dielectric substrate

被引：8

作者：

Siu, Lam ^{[1
]}

Luk, Kwai-Man ^{[1
]}

机构：

[1] City Univ Hong Kong, Dept Elect Engn, Kowloon Tong, Hong Kong, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2008年 / 7卷

关键词：

dipole; shorted-circuited patch; wideband antenna and low back radiation;

D O I：

10.1109/LAWP.2008.916691

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 unidirectional antenna with loaded dielectric substrate composed of two shorted-circuited rectangular patches and a printed shaped probe feed operated at 2.5 GHz is presented. The antenna is fully filled with dielectric substrate epsilon(r) = 2.65. The height of the antenna is only 18 mm. A wide impedance bandwidth of 45.3% (SWR <= 2) is achieved. The average gain is about 6.7 dBi. The antenna performance can be improved by introducing of a metallic wall. The backlobe is reduced from -11.1 to -20.1 dB at the lower frequency.

引用

页码：50 / 53

页数：4

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