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Design of reconfigurable monopole antenna with switchable dual band-notches for UWB applications

Published online by Cambridge University Press:  21 June 2018

Hailong Yang ,
Xiaoli Xi ,
Hualong Hou ,
Yuchen Zhao  and
Yanning Yuan
Hailong Yang
Affiliation:
Department of Electric Engineering, Xian University of Technology, Xian, 710048, China
Xiaoli Xi*
Affiliation:
Department of Electric Engineering, Xian University of Technology, Xian, 710048, China Science and Technology on High Power Microwave Laboratory, Northwest Institute of Nuclear Technology, Xi'an 710024, China
Hualong Hou
Affiliation:
Department of Electric Engineering, Xian University of Technology, Xian, 710048, China
Yuchen Zhao
Affiliation:
Department of Electric Engineering, Xian University of Technology, Xian, 710048, China
Yanning Yuan
Affiliation:
Department of Electric Engineering, Xian University of Technology, Xian, 710048, China
*
Author for correspondence: Xiaoli Xi, E-mail: [email protected]
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Abstract

A compact printed reconfigurable monopole antenna with switchable band-notches is designed and manufactured. The proposed antenna mainly consists of a disc-like radiator with two pairs of T-shaped strips protruded inside a rectangular aperture. Five PIN diode switches are employed to bridge or open the slots, which allow the antenna to be configured into three different structures functioning as an ultra-wideband (UWB) antenna, or an antenna with notched frequencies at WLAN or WiMAX band. Design and optimization of the antenna are done using CST Microwave Studio. After fabrication on an FR4 substrate with dimensions of 35 mm (width) × 41 mm (length) × 1.5 mm (thickness), numerical and experimental results of the proposed reconfigurable antenna are presented and discussed. The experimental results confirm the design as a good candidate for UWB applications.

Keywords

Frequency band-notchreconfigurable monopole antennaultra-wideband (UWB) antenna
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 10 , Issue 9 , November 2018 , pp. 1065 - 1071
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2018 

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