DGS based monopole circular-shaped patch antenna for UWB applications

被引：0
作者：
Dattatreya Gopi
Appala Raju Vadaboyina
J. R. K. Kumar Dabbakuti
机构：
[1] Raghu Engineering College,Department of Electronics and Communication Engineering
[2] Vignan’s Institute of Information Technology,Department of Electronics and Communication Engineering
[3] K L Deemed To Be University,K L E F
来源：
SN Applied Sciences | 2021年 / 3卷
关键词：
Circular patch; Defected ground structure (DGS); Monopole; Ultra-wideband (UWB); Wireless applications;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A simple low profile defected ground structure based monopole circular-shaped patch antenna is proposing for ultrawide-band applications. The design allows for a simple and compact structure on the FR-4 substrate material. The proposed design initially has a meager antenna gain and bandwidth. To increase the antenna bandwidth and gain, the defective ground structure is implemented with four dumble-shaped slots. Parametric analysis is considered to find the radius of circular patch for tuning of UWB frequency applications. The proposed MCP antenna resonates at 2.9 GHz, 9.1 GHz frequencies with a S11 of − 34.84 dB, − 33.74 dB, respectively, and achieves 8.1 GHz (2.5–10.6 GHz) impedance bandwidth concerning the − 10 dB reference line of the reflection coefficient. The gains are 8.4 dBi, 8.2 dBi for the two resonant frequencies, and the radiation patterns are semi-omnidirectional, omnidirectional. The proposed antenna has-been validated by observing good agreement between the simulation and the measured results.
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