Design optimization of broadband rape-based reflectary antena elements for x-band applications

This work focuses on analysis, design and optimization of broadband reflectarray antenna elements embedded on organic substrate materials. It addresses the key limitations of microstrip reflectarray antenna technology i.e., narrow bandwidth and high loss performance. It presents a novel dual resonan...

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Main Author:	Ijaz Malik, Hasan
Format:	Thesis
Language:	English English English
Published:	2018
Subjects:	TK5101-6720 Telecommunication Including telegraphy, telephone, radio, radar, television
Online Access:	http://eprints.uthm.edu.my/412/1/24p%20HASAN%20IJAZ%20MALIK.pdf http://eprints.uthm.edu.my/412/2/HASAN%20IJAZ%20MALIK%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/412/3/HASAN%20IJAZ%20MALIK%20WATERMARK.pdf
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spelling	my-uthm-ep.4122021-07-25T02:41:33Z Design optimization of broadband rape-based reflectary antena elements for x-band applications 2018-09 Ijaz Malik, Hasan TK5101-6720 Telecommunication. Including telegraphy, telephone, radio, radar, television This work focuses on analysis, design and optimization of broadband reflectarray antenna elements embedded on organic substrate materials. It addresses the key limitations of microstrip reflectarray antenna technology i.e., narrow bandwidth and high loss performance. It presents a novel dual resonance element with wide phase range and broadband frequency response for X-band reflectarray antenna. Multiple element design schemes have been simulated and analyzed for the identification of strategic element configurations using CST MWSV15. Three different paper substrate materials with controlled material compositions have been characterized using a broadband characterization technique. The characterization results demonstrated low permittivities of 1.81, 1.63 and 1.84 for the proposed dielectric substrates, along with loss tangents of 0.053, 0.048 and 0.057 respectively. Three different types of element configurations; rectangular, double C – Slot and double U – Slot were simulated over proposed paper substrate materials and fabricated using an adhesive copper tape. An infinite reflectarray embedded on a paper substrate was realized by using a waveguide simulator technique. An X-band tapered waveguide simulator was used for the scattering parameter measurements. Results for rectangular patch element fabricated over paper substrate show a reflection loss and phase range of -8.12 dB and 301º, with a 10% bandwidth of 340 MHz. A comparison of proposed design configurations signified that the double U – Slot element show promising results with a dual resonance behavior and wider phase range coverage. The double U – Slot element show resonance behavior at 7.61 and 11.05 GHz with a unified bandwidth of 815 MHz and a phase range of 602º. In order to establish a relation between the substrate height and reflection loss, a mathematical model has been established to estimate the reflection loss of elements fabricated above proposed substrate materials. Thus a promising bandwidth and wide phase range behavior, successfully demonstrates the use of organic substrate materials for an optimized microstrip reflectarray antenna. 2018-09 Thesis http://eprints.uthm.edu.my/412/ http://eprints.uthm.edu.my/412/1/24p%20HASAN%20IJAZ%20MALIK.pdf text en public http://eprints.uthm.edu.my/412/2/HASAN%20IJAZ%20MALIK%20COPYRIGHT%20DECLARATION.pdf text en staffonly http://eprints.uthm.edu.my/412/3/HASAN%20IJAZ%20MALIK%20WATERMARK.pdf text en validuser mphil masters Universiti Tun Hussein Onn Malaysia Faculty of Electrical and Electronic Engineering
institution	Universiti Tun Hussein Onn Malaysia
collection	UTHM Institutional Repository
language	English English English
topic	TK5101-6720 Telecommunication Including telegraphy, telephone, radio, radar, television
spellingShingle	TK5101-6720 Telecommunication Including telegraphy, telephone, radio, radar, television Ijaz Malik, Hasan Design optimization of broadband rape-based reflectary antena elements for x-band applications
description	This work focuses on analysis, design and optimization of broadband reflectarray antenna elements embedded on organic substrate materials. It addresses the key limitations of microstrip reflectarray antenna technology i.e., narrow bandwidth and high loss performance. It presents a novel dual resonance element with wide phase range and broadband frequency response for X-band reflectarray antenna. Multiple element design schemes have been simulated and analyzed for the identification of strategic element configurations using CST MWSV15. Three different paper substrate materials with controlled material compositions have been characterized using a broadband characterization technique. The characterization results demonstrated low permittivities of 1.81, 1.63 and 1.84 for the proposed dielectric substrates, along with loss tangents of 0.053, 0.048 and 0.057 respectively. Three different types of element configurations; rectangular, double C – Slot and double U – Slot were simulated over proposed paper substrate materials and fabricated using an adhesive copper tape. An infinite reflectarray embedded on a paper substrate was realized by using a waveguide simulator technique. An X-band tapered waveguide simulator was used for the scattering parameter measurements. Results for rectangular patch element fabricated over paper substrate show a reflection loss and phase range of -8.12 dB and 301º, with a 10% bandwidth of 340 MHz. A comparison of proposed design configurations signified that the double U – Slot element show promising results with a dual resonance behavior and wider phase range coverage. The double U – Slot element show resonance behavior at 7.61 and 11.05 GHz with a unified bandwidth of 815 MHz and a phase range of 602º. In order to establish a relation between the substrate height and reflection loss, a mathematical model has been established to estimate the reflection loss of elements fabricated above proposed substrate materials. Thus a promising bandwidth and wide phase range behavior, successfully demonstrates the use of organic substrate materials for an optimized microstrip reflectarray antenna.
format	Thesis
qualification_name	Master of Philosophy (M.Phil.)
qualification_level	Master's degree
author	Ijaz Malik, Hasan
author_facet	Ijaz Malik, Hasan
author_sort	Ijaz Malik, Hasan
title	Design optimization of broadband rape-based reflectary antena elements for x-band applications
title_short	Design optimization of broadband rape-based reflectary antena elements for x-band applications
title_full	Design optimization of broadband rape-based reflectary antena elements for x-band applications
title_fullStr	Design optimization of broadband rape-based reflectary antena elements for x-band applications
title_full_unstemmed	Design optimization of broadband rape-based reflectary antena elements for x-band applications
title_sort	design optimization of broadband rape-based reflectary antena elements for x-band applications
granting_institution	Universiti Tun Hussein Onn Malaysia
granting_department	Faculty of Electrical and Electronic Engineering
publishDate	2018
url	http://eprints.uthm.edu.my/412/1/24p%20HASAN%20IJAZ%20MALIK.pdf http://eprints.uthm.edu.my/412/2/HASAN%20IJAZ%20MALIK%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/412/3/HASAN%20IJAZ%20MALIK%20WATERMARK.pdf
_version_	1747830603791728640

Design optimization of broadband rape-based reflectary antena elements for x-band applications

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