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Miniaturized CPW-fed UWB-MIMO antennas with decoupling stub and enhanced isolation

Published online by Cambridge University Press:  08 June 2021

Muhammad Irfan Khattak Open the ORCID record for Muhammad Irfan Khattak [Opens in a new window] ,
Muhammad Irshad Khan Open the ORCID record for Muhammad Irshad Khan [Opens in a new window] ,
Muhammad Anab Open the ORCID record for Muhammad Anab [Opens in a new window] ,
Amjad Ullah ,
Muath Al-Hasan  and
Jamel Nebhen
Muhammad Irfan Khattak
Affiliation:
Department of Electrical Engineering, University of Engineering and Technology, Peshawar, Pakistan
Muhammad Irshad Khan*
Affiliation:
Department of Electrical Engineering, University of Engineering and Technology, Peshawar, Pakistan
Muhammad Anab
Affiliation:
Department of Electrical Engineering, University of Engineering and Technology, Peshawar, Pakistan
Amjad Ullah
Affiliation:
Department of Electrical Engineering, University of Engineering and Technology, Peshawar, Pakistan
Muath Al-Hasan
Affiliation:
College of Engineering, Al-Ain University, Al-Ain, UAE
Jamel Nebhen
Affiliation:
College of Computer Engineering and Sciences, Prince Sattam bin Abdulaziz University, Alkharj, Saudi Arabia
*
Author for correspondence: Muhammad Irshad Khan, E mail: [email protected]
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Abstract

In this paper, a coplanar waveguide-fed ultra-wideband-multiple-input and multiple-output (UWB-MIMO) antenna with a novel stub for isolation has been presented. The dimensions of the proposed antenna are 18 × 22 × 1.6 mm3. The proposed antenna is design on an FR4 substrate and simulated in CST studio. The |S11| of the presented MIMO antenna is less than −10 dB between 2.8 and 13 GHz with an impedance bandwidth of 10.2 GHz. The envelope correlation coefficient (ECC) is less than 0.007 and diversity gain (DG) is greater than 9.97 dB. The proposed UWB-MIMO antenna is analyzed in terms of isolation, reflection coefficient, current distribution, ECC, DG, peak gain, multiplexing efficiency, and radiation pattern.

Keywords

UWBCPWMIMOdiversity gainECCpeak gain
Type
Antenna Design, Modeling and Measurements
Information
International Journal of Microwave and Wireless Technologies , Volume 14 , Issue 4 , May 2022 , pp. 456 - 464
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Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press in association with the European Microwave Association

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