Miniature microstrip-fed ultra-wideband printed monopole antenna with a partial ground plane structure

被引：28
|
作者：
Koohestani, M. [1 ]
Moghadasi, M. N. [1 ]
Virdee, B. S. [2 ]
机构：
[1] Islamic Azad Univ, Sci & Res Branch, Fac Engn, Tehran, Iran
[2] London Metropolitan Univ, Fac Comp, Ctr Commun Technol, London N7 8DB, England
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2011年 / 5卷 / 14期
关键词：
SLOT ANTENNA; PATCH; CPW;
D O I：
10.1049/iet-map.2010.0450
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 microstrip-fed planar monopole antenna is presented for ultra-wideband (UWB) communication systems. The antenna structure consists of a dome-topped, bowl-shaped patch with a truncated ground plane structure. The ground plane is predominately tapered and includes a notch below the feed-line in the vicinity of the patch. The effects of dimensional parameters on the performance of the antenna have been investigated through a parametric study. Current density distribution on the antenna was also computed to gain a better insight of its behaviour. The antenna performance is validated through measurement, including its radiation patterns. The measured impedance bandwidth of the proposed antenna for vertical bar S-11 vertical bar <= -10 dB is 10.35 GHz (2.65-13.0 GHz), constituting 132% impedance bandwidth. The fabricated antenna has a compact size of 18 x 20 x 1.6 mm(3). Additional features that make the antenna a suitable candidate for UWB systems are its simple configuration, compactness and low fabrication cost.
引用
收藏
页码：1683 / 1689
页数：7
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