Circular polarized cylindrical dielectric resonant antenna for 5g applications

This study compared two different excitation methods and three different designs of a Circular Polarized Cylindrical Dielectric Resonant Antenna (DRA) which operates at the 5G frequency bands which are the C-Band range of 3.5 GHz. Due to the expansion of 5G and advancements in Internet of Things (Io...

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Main Author:	Welaya, Mohan
Format:	Thesis
Language:	English
Published:	2021
Subjects:	TK Electrical engineering Electronics Nuclear engineering
Online Access:	http://eprints.utm.my/id/eprint/99489/1/MohanWelayaMKE2021.pdf
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spelling	my-utm-ep.994892023-02-27T07:42:47Z Circular polarized cylindrical dielectric resonant antenna for 5g applications 2021 Welaya, Mohan TK Electrical engineering. Electronics Nuclear engineering This study compared two different excitation methods and three different designs of a Circular Polarized Cylindrical Dielectric Resonant Antenna (DRA) which operates at the 5G frequency bands which are the C-Band range of 3.5 GHz. Due to the expansion of 5G and advancements in Internet of Things (IoT) technologies, more and more wireless digital electronic devices which are agile with minimal power consumption are required. As the 5G spectrum moves into higher frequency ranges, previous antenna design methods such as microstrip patch antenna using metallic substrate suffer from significant losses. In addition to that, the profile and dimension of the antennas also needs to be minimized to be fitted inside various miniature devices. Numerous articles are now available on the design of microstrip patch antennas for 5G application. However, studies into dielectric resonant antenna for 5G applications are still upcoming and that will be the main discussion of this paper. The objective of this paper is to simulate and design a cylindrical dielectric resonant antenna which is circularly polarized and compare the radiation effects that it produces via different types of excitation methods used. A cylindrical DRA fed via slot aperture coupled technique has been proposed. In order to make the cylindrical DRA circularly polarized, the slot underneath the DRA has been modified into a U-shaped slot and the DRA has been modified to include a hollow cylindrical space in the centre to improve its bandwidth and gain. It has been found that the inclusion of a hollow space in the centre of DRA and modification of the slot produces a circularly polarized DRA with 270 MHz bandwidth for the centre frequency of 3.5 GHz. The design of this structure can be proposed for 5G application in the C-Band spectrum. 2021 Thesis http://eprints.utm.my/id/eprint/99489/ http://eprints.utm.my/id/eprint/99489/1/MohanWelayaMKE2021.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:149794 masters Universiti Teknologi Malaysia Faculty of Engineering - School of Electrical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TK Electrical engineering Electronics Nuclear engineering
spellingShingle	TK Electrical engineering Electronics Nuclear engineering Welaya, Mohan Circular polarized cylindrical dielectric resonant antenna for 5g applications
description	This study compared two different excitation methods and three different designs of a Circular Polarized Cylindrical Dielectric Resonant Antenna (DRA) which operates at the 5G frequency bands which are the C-Band range of 3.5 GHz. Due to the expansion of 5G and advancements in Internet of Things (IoT) technologies, more and more wireless digital electronic devices which are agile with minimal power consumption are required. As the 5G spectrum moves into higher frequency ranges, previous antenna design methods such as microstrip patch antenna using metallic substrate suffer from significant losses. In addition to that, the profile and dimension of the antennas also needs to be minimized to be fitted inside various miniature devices. Numerous articles are now available on the design of microstrip patch antennas for 5G application. However, studies into dielectric resonant antenna for 5G applications are still upcoming and that will be the main discussion of this paper. The objective of this paper is to simulate and design a cylindrical dielectric resonant antenna which is circularly polarized and compare the radiation effects that it produces via different types of excitation methods used. A cylindrical DRA fed via slot aperture coupled technique has been proposed. In order to make the cylindrical DRA circularly polarized, the slot underneath the DRA has been modified into a U-shaped slot and the DRA has been modified to include a hollow cylindrical space in the centre to improve its bandwidth and gain. It has been found that the inclusion of a hollow space in the centre of DRA and modification of the slot produces a circularly polarized DRA with 270 MHz bandwidth for the centre frequency of 3.5 GHz. The design of this structure can be proposed for 5G application in the C-Band spectrum.
format	Thesis
qualification_level	Master's degree
author	Welaya, Mohan
author_facet	Welaya, Mohan
author_sort	Welaya, Mohan
title	Circular polarized cylindrical dielectric resonant antenna for 5g applications
title_short	Circular polarized cylindrical dielectric resonant antenna for 5g applications
title_full	Circular polarized cylindrical dielectric resonant antenna for 5g applications
title_fullStr	Circular polarized cylindrical dielectric resonant antenna for 5g applications
title_full_unstemmed	Circular polarized cylindrical dielectric resonant antenna for 5g applications
title_sort	circular polarized cylindrical dielectric resonant antenna for 5g applications
granting_institution	Universiti Teknologi Malaysia
granting_department	Faculty of Engineering - School of Electrical Engineering
publishDate	2021
url	http://eprints.utm.my/id/eprint/99489/1/MohanWelayaMKE2021.pdf
_version_	1776100603403960320

Circular polarized cylindrical dielectric resonant antenna for 5g applications

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