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Design and optimization of MIMO dielectric resonator antenna with high gain and circular polarization features using machine learning algorithms

Published online by Cambridge University Press:  05 June 2025

Swati Anand Dwivedi ,
Raghavendra Sharma  and
Vivek Singh Kushwah Open the ORCID record for Vivek Singh Kushwah [Opens in a new window]
Swati Anand Dwivedi
Affiliation:
Department of Electronics & Communication Engineering, Amity School of Engineering & Technology, Amity University, Gwalior, MP, India
Raghavendra Sharma
Affiliation:
Department of Electronics & Communication Engineering, Amity School of Engineering & Technology, Amity University, Gwalior, MP, India
Vivek Singh Kushwah*
Affiliation:
Department of Electronics & Communication Engineering, Chaitanya Bharathi Institute of Technology, Hyderabad, TS, India
*
Corresponding author: Vivek Singh Kushwah; Email: drviveksinghkushwah@gmail.com
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Abstract

This paper elaborates the design and analysis of cross-aperture-coupled twin port ceramic radiator. Stimulation of alumina ceramic using a cross slot helps to produce circular waves within 7.35–7.8 GHz. The polarization diversity concept helps to improve the separation level by above 25 dB. Loading of double negative unit cell made metasurface (MS) improves the antenna gain over 11.5 dBi within the working spectrum. Machine learning (ML) techniques, i.e. Decision Tree and Random Forest are utilized to predict the |S11|/Axial ratio parameters. Experimental verification/ML prediction and optimized simulated consequences confirm that the structured radiator works efficiently between 7.21 and 8.2 GHz with over 25 dB isolation between the ports. Directive pattern and decent values of (MIMO) parameters make the radiator applicable for the 6G communication system.

Keywords

circular polarizationdielectric resonator antennadiversity gainECChigh directivityhigh gainisolationmachine learningmetasurfaceMIMO Antenna
Type
Research Paper
Information
International Journal of Microwave and Wireless Technologies , First View , pp. 1 - 10
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Copyright
© The Author(s), 2025. Published by Cambridge University Press in association with The European Microwave Association.

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