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Permanent link (DOI): https://doi.org/10.7939/R30K26R57

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Epidermal Loop Antennas Open Access

Descriptions

Other title
Subject/Keyword
Communications
Antennas
Wearable technology
Body-worn antennas
Body-worn technology
WBAN
Loop antennas
Electromagnetics
Epidermal technology
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Abu Damis, Haitham
Supervisor and department
Pedram Mousavi (Mechanical Engineering)
Examining committee member and department
Mousavi, Pedram (Mechanical Engineering)
Chung, Hyun-Joong (Chemical and Materials Engineering)
Tavakoli, Mahdi (Electrical Engineering)
Department
Department of Electrical and Computer Engineering
Specialization
Communications
Date accepted
2017-04-26T14:53:56Z
Graduation date
2017-11:Fall 2017
Degree
Master of Science
Degree level
Master's
Abstract
The Quadruple Loop (QL) antenna was designed and investigated to deliver a robust body-worn antenna for bio-medical applications. The QL antenna is a very thin single-layer groundless structure which allows for the installation of neighboring electronics and sensors on biomedical device. The initial research objective was achieved after measurement results confirmed the superior performance of the QL antenna to the standard square loop. This was evident in gain and bandwidth improvement after the inclusion of the four circular patches to the original loop. In the second research stage, different fabrication tools and materials were used to make a number of QL antennas. The different antennas were intended to operate as GSM-900, GSM-1800, and BLE epidermal antennas. Radiation pattern measurements were conducted to compare their results with their simulation counterparts. Later, data communication tests showed that the acquired BER readings could qualify the BLE and GSM-900 antennas to work as part of 4-QAM wireless links. Moreover, a stretchable QL epidermal antenna made of novel silver ink had its measured results agree with simulations. Besides these hands-on endeavors, numerical analysis was used to explain the low values of gain of epidermal antennas. This is added to finding an equivalent and more efficient mathematical model of biological tissues which make up the human arm. The equivalent model was tested in software and has the practical potential to be realized in physical phantom making.
Language
English
DOI
doi:10.7939/R30K26R57
Rights
This thesis is made available by the University of Alberta Libraries with permission of the copyright owner solely for the purpose of private, scholarly or scientific research. This thesis, or any portion thereof, may not otherwise be copied or reproduced without the written consent of the copyright owner, except to the extent permitted by Canadian copyright law.
Citation for previous publication
H. A. Damis, R. Mirzavand, H. J. Chung, and P. Mousavi, “Flexible printed square loop antennas for wearable applications,” in 2016 17th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), 2016, pp. 1–2.

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