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CPW slot antenna with Y-shaped central monopole and matching arms

Published online by Cambridge University Press:  26 June 2018

Daniele Inserra Open the ORCID record for Daniele Inserra [Opens in a new window] ,
Xiaochuan Fang ,
Yongjun Huang  and
Guangjun Wen
Daniele Inserra*
Affiliation:
School of Information and Communication Engineering, University of Electronic Science and Technology of China, Qingshuihe Campus, No. 2006, Xiyuan Avenue, West Hi-Tech Zone, Zip code 611731, Chengdu, Sichuan, People's Republic of China
Xiaochuan Fang
Affiliation:
School of Information and Communication Engineering, University of Electronic Science and Technology of China, Qingshuihe Campus, No. 2006, Xiyuan Avenue, West Hi-Tech Zone, Zip code 611731, Chengdu, Sichuan, People's Republic of China
Yongjun Huang
Affiliation:
School of Information and Communication Engineering, University of Electronic Science and Technology of China, Qingshuihe Campus, No. 2006, Xiyuan Avenue, West Hi-Tech Zone, Zip code 611731, Chengdu, Sichuan, People's Republic of China
Guangjun Wen
Affiliation:
School of Information and Communication Engineering, University of Electronic Science and Technology of China, Qingshuihe Campus, No. 2006, Xiyuan Avenue, West Hi-Tech Zone, Zip code 611731, Chengdu, Sichuan, People's Republic of China
*
Author for correspondence: Daniele Inserra, E-mail: [email protected]
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Abstract

A coplanar waveguide slot antenna is herein presented. A rectangular slot is excited by a Y-shaped monopole etched on a single FR4 substrate. This structure exhibits two resonances due to the presence of the slot and the central monopole which can be used to design a dual-band or a wideband antenna. A parametric analysis is presented to describe the impedance matching mechanism for the two impedance bandwidths (BWs), as well as for the wideband antenna. The latter is fabricated and provides a measured impedance BW from 2.28 to 3.6 GHz, and gain larger than 2 dBi, yielding an outstanding BW/size trade-off. Finally, a 60 mm × 60 mm back metallic reflector is used to achieve a directive antenna with 6 dBi of measured gain, and an impedance BW from 2.16 to 3.59 GHz.

Keywords

Antenna designEM field theorymodeling and measurements
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 10 , Issue 10 , December 2018 , pp. 1166 - 1174
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2018 

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