Compact UWB antenna with four band-notches for UWB applications

被引：20
|
作者：
Li, L. [1 ]
Zhou, Z. -L. [1 ]
Hong, J. -S. [1 ]
机构：
[1] Univ Elect Sci & Technol China, Inst Appl Phys, Chengdu 610054, Peoples R China
来源：
ELECTRONICS LETTERS | 2011年 / 47卷 / 22期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1049/el.2011.2334
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 novel compact ultra-wideband (UWB) monopole antenna with four band-notched characteristics is presented. Three crescent-shaped resonators coupled to the radiating patch are used to create three notched bands at 4.94-5.52 GHz, 5.72-6.02 GHz for WLAN and 7.25-7.76 GHz for downlink of X-band satellite communication systems. In addition, an inverted U-slot is cut in the ground plane to generate the fourth notched band at 8.01-8.55 GHz for the ITU band. The proposed antenna has been successfully fabricated and measured, showing broadband matched impedance (3.05-14 GHz, VSWR < 2), stable gain and good omnidirectional radiation patterns. Moreover, the designed antenna has a compact size of 25 x 28 mm.
引用
收藏
页码：1211 / 1212
页数：2
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