Bandwidth Enhancement of a Printed Slot Antenna With a Pair of Parasitic Patches

被引:49
作者
Fan, S. T. [1 ]
Yin, Y. Z. [1 ]
Lee, B. [1 ]
Hu, W. [1 ]
Yang, X. [1 ]
机构
[1] Xidian Univ, Natl Key Lab Sci & Technol Antennas & Microwaves, Xian 710071, Peoples R China
来源
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2012年 / 11卷
关键词
Bandwidth enhancement; microstrip-line-fed antenna; parasitic patch; printed slot antenna; BROAD-BAND DESIGN;
D O I
10.1109/LAWP.2012.2224311
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 printed microstrip-line-fed slot antenna with a pair of parasitic patches for bandwidth enhancement is proposed in this letter. By using the parasitic patches along the microstrip feed line, an additional resonance is excited, and a good performance of bandwidth enhancement can be obtained. The proposed antenna is designed and manufactured successfully. The measurement shows a good agreement with the simulation. From the measured results, the enhanced impedance bandwidth, defined by voltage standing wave ratio (VSWR) less than 2, is about 136% ranging from 2.1 to 11.1 GHz. In addition, stable and nearly omnidirectional far-field radiation patterns are observed over the entire operating band.
引用
收藏
页码:1230 / 1233
页数:4
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