Beam-switchable textile antenna for wireless body area networks (WBAN)

The research work in this dissertation focuses on beam-switchable textile antenna for wireless body area network (WBAN) application. The idea of beam-switchable textile antenna helps to reduce the antenna size and more flexible. Beam-switchable antenna is useful in the rapid growth of the wireless c...

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Main Author:	Mohd Ilman, Jais
Format:	Thesis
Language:	English
Subjects:	Wireless body area network (WBAN) Antennas Beam-switchable textile antenna Beam-switchable antenna Wearable antenna
Online Access:	http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/44132/1/p.1-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/44132/2/full%20text.pdf
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id	my-unimap-44132
record_format	uketd_dc
spelling	my-unimap-441322016-11-22T08:57:10Z Beam-switchable textile antenna for wireless body area networks (WBAN) Mohd Ilman, Jais The research work in this dissertation focuses on beam-switchable textile antenna for wireless body area network (WBAN) application. The idea of beam-switchable textile antenna helps to reduce the antenna size and more flexible. Beam-switchable antenna is useful in the rapid growth of the wireless communication system. The advantage of beam-switchable antenna is to avoid the associated signal equalization problems that are incurred as the wearer moves or turns. This dissertation proposed a novel beam-switchable textile antenna (BSTA) with reconfigurable ability which uses Radio Frequency (RF) PIN diodes biasing circuit as the switching mechanism. BSTA is the first effort in realizing a combination of such beam-switching feature onto a wearable radiator by exploiting silver loaded epoxy adhesive to provide a solderless connection between conductive textiles and the RF circuits. Four PIN diode switches are integrated into shieldit super of symmetrical BSTA designed. The BSTA is capable to achieve beam steering ±16° with peak simulated and measured directivities of 6.8 dBi and 6.69 dBi, respectively. The antenna maintains input impedance approximately 50 Ω at 2.45 GHz without the use of additional quarter wavelength transformers. With dimension of 88 x 88 mm2, it is compact enough to be integrated in clothing for WBAN applications. Based on preliminary assessment of specific absorption rate (SAR) results, this research confirms that BSTA is safe to the human being where the simulation SAR result is less than 1.6 W/kg and 2 W/kg for 1g and 10g mass of tissues correspondingly at particular body parts based on ICNIRP regulation. With all capabilities demonstrated and discussed, the BSTA antenna has big potential in realizing a new smart garment antenna. Universiti Malaysia Perlis (UniMAP) 2014 Thesis en http://dspace.unimap.edu.my:80/xmlui/handle/123456789/44132 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/44132/1/p.1-24.pdf a59060b42cdb663a3470fc2705337a84 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/44132/2/full%20text.pdf 0b2fc997a0520d263eb717adc848e7da http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/44132/3/license.txt 8a4605be74aa9ea9d79846c1fba20a33 Wireless body area network (WBAN) Antennas Beam-switchable textile antenna Beam-switchable antenna Wearable antenna School of Computer and Communication Engineering
institution	Universiti Malaysia Perlis
collection	UniMAP Institutional Repository
language	English
topic	Wireless body area network (WBAN) Antennas Beam-switchable textile antenna Beam-switchable antenna Wearable antenna
spellingShingle	Wireless body area network (WBAN) Antennas Beam-switchable textile antenna Beam-switchable antenna Wearable antenna Mohd Ilman, Jais Beam-switchable textile antenna for wireless body area networks (WBAN)
description	The research work in this dissertation focuses on beam-switchable textile antenna for wireless body area network (WBAN) application. The idea of beam-switchable textile antenna helps to reduce the antenna size and more flexible. Beam-switchable antenna is useful in the rapid growth of the wireless communication system. The advantage of beam-switchable antenna is to avoid the associated signal equalization problems that are incurred as the wearer moves or turns. This dissertation proposed a novel beam-switchable textile antenna (BSTA) with reconfigurable ability which uses Radio Frequency (RF) PIN diodes biasing circuit as the switching mechanism. BSTA is the first effort in realizing a combination of such beam-switching feature onto a wearable radiator by exploiting silver loaded epoxy adhesive to provide a solderless connection between conductive textiles and the RF circuits. Four PIN diode switches are integrated into shieldit super of symmetrical BSTA designed. The BSTA is capable to achieve beam steering ±16° with peak simulated and measured directivities of 6.8 dBi and 6.69 dBi, respectively. The antenna maintains input impedance approximately 50 Ω at 2.45 GHz without the use of additional quarter wavelength transformers. With dimension of 88 x 88 mm2, it is compact enough to be integrated in clothing for WBAN applications. Based on preliminary assessment of specific absorption rate (SAR) results, this research confirms that BSTA is safe to the human being where the simulation SAR result is less than 1.6 W/kg and 2 W/kg for 1g and 10g mass of tissues correspondingly at particular body parts based on ICNIRP regulation. With all capabilities demonstrated and discussed, the BSTA antenna has big potential in realizing a new smart garment antenna.
format	Thesis
author	Mohd Ilman, Jais
author_facet	Mohd Ilman, Jais
author_sort	Mohd Ilman, Jais
title	Beam-switchable textile antenna for wireless body area networks (WBAN)
title_short	Beam-switchable textile antenna for wireless body area networks (WBAN)
title_full	Beam-switchable textile antenna for wireless body area networks (WBAN)
title_fullStr	Beam-switchable textile antenna for wireless body area networks (WBAN)
title_full_unstemmed	Beam-switchable textile antenna for wireless body area networks (WBAN)
title_sort	beam-switchable textile antenna for wireless body area networks (wban)
granting_institution	Universiti Malaysia Perlis (UniMAP)
granting_department	School of Computer and Communication Engineering
url	http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/44132/1/p.1-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/44132/2/full%20text.pdf
_version_	1747836826943488000

Beam-switchable textile antenna for wireless body area networks (WBAN)

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