Band-notched CPW-FED UWB antenna using V-shaped fractal elements

被引：5
|
作者：
Esmati, Zahra [1 ]
Moosazadeh, Mahdi [1 ]
机构：
[1] Univ Western Sydney, Inst Infrastruct Engn, Penrith, NSW 2751, Australia
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2015年 / 57卷 / 11期
关键词：
ultrawideband antenna; monopole antenna; band-notched antennas; DESIGN; PATCH;
D O I：
10.1002/mop.29379
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 simple procedure for designing a new fractal CPW-fed monopole antenna with band-notch function for ultrawideband applications has been proposed. The proposed antenna consists of V-shaped patch with circular-shaped elements and an elliptically-shaped tapered ground plane. To create band-notch function, V-shaped structure is extruded on the patch from the throat of the feed. By cutting a pair of a quarter ellipse-shaped slots in the ground plane, proper impedance matching is obtained; as a result much wider impedance bandwidth can be achieved, especially at the higher frequencies. The antenna is small in size (25 x 25 mm(2)) and has wide usable fractional bandwidth of more than 143% (3.15-19 GHz) defined by VSWR<2, except at frequency band-notched of 4.90-6.04 GHz. Moreover, Omnidirectional radiation pattern and acceptable antenna gain are obtained over the operating band. (c) 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2533-2536, 2015
引用
收藏
页码：2533 / 2536
页数：4
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