Corrugated fractal monopole antenna with enhanced bandwidth for ultrawideband applications

被引：0
|
作者：
Venkatesan R. [1 ]
Rengasamy R. [1 ]
机构：
[1] Department of Communication Engineering, School of Electronics Engineering (SENSE), Vellore Institute of Technology (VIT), Vellore
来源：
International Journal of Wireless and Mobile Computing | 2019年 / 16卷 / 01期
关键词：
CPW; Fractal antenna; Self-similar; Ultra wideband; UWB; Wireless communications;
D O I：
10.1504/IJWMC.2019.097432
中图分类号：
学科分类号：
摘要：
A very compact coplanar waveguide (CPW)-fed fractal monopole antenna with a modified ground plane is presented. The main objective is to obtain ultra wideband (UWB) characteristics from a simple microstrip monopole antenna. A wideband behaviour and good impedance matching are obtained by modifying the ground plane to semi-trapezoidal shape. Further, the self-similar fractal nature is introduced in the radiating element to enhance the bandwidth. The proposed antenna shows a wider impedance bandwidth from 3 GHz to 11.2 GHz for S11 ≤ -10 dB. A fractional bandwidth of about 115.5% (impedance bandwidth ratio 3.73:1) is achieved for the third fractal iteration. The total volume of the presented antenna is 18×12×1.6 mm3. The measurements are carried out to validate the simulations and the performance of the proposed antenna is analysed. Copyright © 2019 Inderscience Enterprises Ltd.
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页码：66 / 71
页数：5
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