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Stacked proximity coupled square and h-shape microstrip patch antenna design

Simulation and measurement of stacked proximity coupled square and Hshape microstrip patch antennas were conducted with the objective to find the antenna designs that capable of resonating at ISM 2.4 and ISM 5.8 bands. Series of simulation were conducted to explore the effects of design variables su...

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Main Author: Wan Hanafi, Wan Mustafa
Format: Thesis
Published: 2010
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://eprints.utm.my/id/eprint/26991/
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spelling my.utm.269912017-08-27T00:33:38Z http://eprints.utm.my/id/eprint/26991/ Stacked proximity coupled square and h-shape microstrip patch antenna design Wan Hanafi, Wan Mustafa TK Electrical engineering. Electronics Nuclear engineering Simulation and measurement of stacked proximity coupled square and Hshape microstrip patch antennas were conducted with the objective to find the antenna designs that capable of resonating at ISM 2.4 and ISM 5.8 bands. Series of simulation were conducted to explore the effects of design variables such as antenna feed techniques (proximity couple line feed and inset feed), physical structure variations (H-shape), and configurations (stack and array) on antenna properties. Based on the simulated results, antennas that fulfilled performance requirements were selected for fabrication and measurement for verification and validation. Performance comparison between simulated and fabricated antenna results were analyzed in order to highlight the strengths and weaknesses in term of return loss, resonant frequencies, bandwidth, radiation pattern, gain and polarization. Simulation results shown that, lower number of antenna element produces wider beamwidth, has higher return loss and lower gain as compared to the performance of higher number antenna elements. Based on observation, return loss is influenced by the feeding techniques and varies with frequency. In terms of gain, it is positively correlated with the number of antenna elements and configurations. Simulation results indicated that gain difference of 2 dB from each configuration is achieved. For beamwidth, it is negatively correlated with the number of antenna element and configuration. Simulation results indicated that beamwidth difference of 30° from each configuration is achieved. For resonant frequency, the measured results have positive correlation with the simulated results with slight frequency offset. In conclusion, regardless of the differences in the exact values, this research work has highlighted several factors affecting antenna performance and it can be used as general guidelines in selecting the stacked proximity coupled square and H-shape microstrip patch antennas that suits operational requirements and applications. 2010 Thesis NonPeerReviewed Wan Hanafi, Wan Mustafa (2010) Stacked proximity coupled square and h-shape microstrip patch antenna design. Masters thesis, Universiti Teknologi Malaysia, Faculty of Electrical Engineering.
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
Wan Hanafi, Wan Mustafa
Stacked proximity coupled square and h-shape microstrip patch antenna design
description Simulation and measurement of stacked proximity coupled square and Hshape microstrip patch antennas were conducted with the objective to find the antenna designs that capable of resonating at ISM 2.4 and ISM 5.8 bands. Series of simulation were conducted to explore the effects of design variables such as antenna feed techniques (proximity couple line feed and inset feed), physical structure variations (H-shape), and configurations (stack and array) on antenna properties. Based on the simulated results, antennas that fulfilled performance requirements were selected for fabrication and measurement for verification and validation. Performance comparison between simulated and fabricated antenna results were analyzed in order to highlight the strengths and weaknesses in term of return loss, resonant frequencies, bandwidth, radiation pattern, gain and polarization. Simulation results shown that, lower number of antenna element produces wider beamwidth, has higher return loss and lower gain as compared to the performance of higher number antenna elements. Based on observation, return loss is influenced by the feeding techniques and varies with frequency. In terms of gain, it is positively correlated with the number of antenna elements and configurations. Simulation results indicated that gain difference of 2 dB from each configuration is achieved. For beamwidth, it is negatively correlated with the number of antenna element and configuration. Simulation results indicated that beamwidth difference of 30° from each configuration is achieved. For resonant frequency, the measured results have positive correlation with the simulated results with slight frequency offset. In conclusion, regardless of the differences in the exact values, this research work has highlighted several factors affecting antenna performance and it can be used as general guidelines in selecting the stacked proximity coupled square and H-shape microstrip patch antennas that suits operational requirements and applications.
format Thesis
author Wan Hanafi, Wan Mustafa
author_facet Wan Hanafi, Wan Mustafa
author_sort Wan Hanafi, Wan Mustafa
title Stacked proximity coupled square and h-shape microstrip patch antenna design
title_short Stacked proximity coupled square and h-shape microstrip patch antenna design
title_full Stacked proximity coupled square and h-shape microstrip patch antenna design
title_fullStr Stacked proximity coupled square and h-shape microstrip patch antenna design
title_full_unstemmed Stacked proximity coupled square and h-shape microstrip patch antenna design
title_sort stacked proximity coupled square and h-shape microstrip patch antenna design
publishDate 2010
url http://eprints.utm.my/id/eprint/26991/
_version_ 1643647918041726976
score 13.211869

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