Frequency reconfigurable archimedean spiral antenna

The latest evolution of communication technology system has observed an emerging of new multi-functional devices and new applications operating in different frequencies. As the technology advances, it becomes apparent that a transceiver which could operate at multi-frequency is in need to support th...

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Main Author:	Abdul Rahman, Masmurni
Format:	Thesis
Language:	English
Published:	2012
Subjects:	TK Electrical engineering Electronics Nuclear engineering
Online Access:	http://eprints.utm.my/id/eprint/32107/5/MasmurniAbdulRahmanMFKE2012.pdf
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id	my-utm-ep.32107
record_format	uketd_dc
spelling	my-utm-ep.321072018-04-30T13:09:42Z Frequency reconfigurable archimedean spiral antenna 2012-01-27 Abdul Rahman, Masmurni TK Electrical engineering. Electronics Nuclear engineering The latest evolution of communication technology system has observed an emerging of new multi-functional devices and new applications operating in different frequencies. As the technology advances, it becomes apparent that a transceiver which could operate at multi-frequency is in need to support the system. Hence in this thesis, a frequency reconfigurable switchable between wideband and narrowband has been proposed and investigated. The idea was to support a wide frequency of operation and at the same time could be switched to operate at a single frequency in order to reduce the interference level at the receiver. This antenna is potentially useful for UWB and future cognitive radio systems. The proposed antenna utilized an Archimedean spiral antenna as the wideband antenna, and it was reconfigured by adding a slot resonator to the structure to enable narrowband operation. Two ideal switches in the form of metal pads are used for the studies to enable the reconfiguration capability. Performance results from the measurements and simulations results shows a good agreement in terms of return loss and radiation pattern which shows a broad bandwidth operation at wideband operation and 16% bandwidth for the narrowband operation with a maximum gain of 3dBi at the frequency of operation. 2012-01 Thesis http://eprints.utm.my/id/eprint/32107/ http://eprints.utm.my/id/eprint/32107/5/MasmurniAbdulRahmanMFKE2012.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:69737?site_name=Restricted Repository masters Universiti Teknologi Malaysia, Faculty of Electrical Engineering Faculty 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 Abdul Rahman, Masmurni Frequency reconfigurable archimedean spiral antenna
description	The latest evolution of communication technology system has observed an emerging of new multi-functional devices and new applications operating in different frequencies. As the technology advances, it becomes apparent that a transceiver which could operate at multi-frequency is in need to support the system. Hence in this thesis, a frequency reconfigurable switchable between wideband and narrowband has been proposed and investigated. The idea was to support a wide frequency of operation and at the same time could be switched to operate at a single frequency in order to reduce the interference level at the receiver. This antenna is potentially useful for UWB and future cognitive radio systems. The proposed antenna utilized an Archimedean spiral antenna as the wideband antenna, and it was reconfigured by adding a slot resonator to the structure to enable narrowband operation. Two ideal switches in the form of metal pads are used for the studies to enable the reconfiguration capability. Performance results from the measurements and simulations results shows a good agreement in terms of return loss and radiation pattern which shows a broad bandwidth operation at wideband operation and 16% bandwidth for the narrowband operation with a maximum gain of 3dBi at the frequency of operation.
format	Thesis
qualification_level	Master's degree
author	Abdul Rahman, Masmurni
author_facet	Abdul Rahman, Masmurni
author_sort	Abdul Rahman, Masmurni
title	Frequency reconfigurable archimedean spiral antenna
title_short	Frequency reconfigurable archimedean spiral antenna
title_full	Frequency reconfigurable archimedean spiral antenna
title_fullStr	Frequency reconfigurable archimedean spiral antenna
title_full_unstemmed	Frequency reconfigurable archimedean spiral antenna
title_sort	frequency reconfigurable archimedean spiral antenna
granting_institution	Universiti Teknologi Malaysia, Faculty of Electrical Engineering
granting_department	Faculty of Electrical Engineering
publishDate	2012
url	http://eprints.utm.my/id/eprint/32107/5/MasmurniAbdulRahmanMFKE2012.pdf
_version_	1747815923079708672

Frequency reconfigurable archimedean spiral antenna

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