A Compact Cavity-Backed Monopole Antenna For UWB Applications

被引：0
|
作者：
Merkley, Eric [1 ,2 ]
Jackson, Brad [1 ,3 ]
Saavedra, Carlos [2 ]
Antar, Yahia [1 ]
机构：
[1] Royal Mil Coll Canada, Elect & Comp Engn, Kingston, ON, Canada
[2] Queens Univ, Elect & Comp Engn, Kingston, ON, Canada
[3] Def Res & Dev Canada, Cyber Operat & Signals Warfare, Ottawa, ON, Canada
来源：
2017 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION & USNC/URSI NATIONAL RADIO SCIENCE MEETING | 2017年
关键词：
D O I：
暂无
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 directive ultra wideband (UWB) antenna using a cavity-backed monopole is presented. This compact, broadband, and high-gain antenna consists of a triangular-shaped monopole radiating element along with a tapered cavity. The proposed design uses two pairs of shorting lines to improve radiation pattern consistency at higher frequencies and a tapered cavity to enhance the gain and impedance bandwidth of the antenna. Electromagnetic simulations show an impedance bandwidth with voltage standing wave ratio (VSWR) < 2 from 3.0 GHz to 14.5 GHz (133%) and a gain greater than 6 dBi from 3.0 GHz to 10.8 GHz (113%) with a peak of 10.8 dBi. The proposed antenna is relatively compact with overall dimensions of 0.65 lambda(l) x 0.32 lambda(l) x 0.18 lambda(l), where lambda(l) is the free-space wavelength of the lowest operating frequency.
引用
收藏
页码：495 / 496
页数：2
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