Performance enhancement of integrated light emitting diode and wi-fi antenna using stacked microstrip / Hamizan Yon

Previous works on integrated antenna with LED have been developed by researcher to support a new concept of dual functionality in wireless communication and lighting systems. Somehow, the inconsistency in resonant frequency and antenna gain have driven this research to overcome previous limitations....

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Main Author: Yon, Hamizan
Format: Thesis
Language:English
Published: 2018
Subjects:
Online Access:https://ir.uitm.edu.my/id/eprint/26878/1/TM_HAMIZAN%20YON%20EE%2018_5.pdf
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author Yon, Hamizan
author_facet Yon, Hamizan
author_sort Yon, Hamizan
collection UITM
description Previous works on integrated antenna with LED have been developed by researcher to support a new concept of dual functionality in wireless communication and lighting systems. Somehow, the inconsistency in resonant frequency and antenna gain have driven this research to overcome previous limitations. Three antenna designs on stacked patch antenna were proposed. Antenna Design 1 to minimize frequency shifting, Design 2 with parallel LED circuit connection for power consumption concept and Design 3 to increase the gain. All antenna designs were simulated on FR-4 substrate to resonate at 2.45GHz. By using the stacked configuration on antenna Design 1, it was shown that frequency shifted was eliminated. Antenna Design 2 proposed a new LEDs circuit connections mainly designed to reduce power supply used to turn ON the LEDs. As a result, the voltage source for the LEDs circuit was reduced to 90% from previous works and the number of LEDs used also found to be increased, hence better parasitic and illumination effect. A air gap structure was introduced on antenna Design 3 which is located between substrate 1 and substrate 2 and optimization was done by using simulation software. Implementation of air gap structure has contributed to 54% improvement on gain at final anten na Design 3. All the three antenna designs have been fabricated and good agreement was achieved between the simulation and measurement result. A dual-functional prototype consists of Wi-Fi antenna and illumination device has been successfully developed. Adopted methods and techniques were able to significantly reduce the frequency shifting and increase the gain, as well as reducing the power consumption.
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spelling uitm.eprints-68782019-12-16T07:29:54Z https://ir.uitm.edu.my/id/eprint/26878/ Performance enhancement of integrated light emitting diode and wi-fi antenna using stacked microstrip / Hamizan Yon Yon, Hamizan Applications of electric power Antennas Previous works on integrated antenna with LED have been developed by researcher to support a new concept of dual functionality in wireless communication and lighting systems. Somehow, the inconsistency in resonant frequency and antenna gain have driven this research to overcome previous limitations. Three antenna designs on stacked patch antenna were proposed. Antenna Design 1 to minimize frequency shifting, Design 2 with parallel LED circuit connection for power consumption concept and Design 3 to increase the gain. All antenna designs were simulated on FR-4 substrate to resonate at 2.45GHz. By using the stacked configuration on antenna Design 1, it was shown that frequency shifted was eliminated. Antenna Design 2 proposed a new LEDs circuit connections mainly designed to reduce power supply used to turn ON the LEDs. As a result, the voltage source for the LEDs circuit was reduced to 90% from previous works and the number of LEDs used also found to be increased, hence better parasitic and illumination effect. A air gap structure was introduced on antenna Design 3 which is located between substrate 1 and substrate 2 and optimization was done by using simulation software. Implementation of air gap structure has contributed to 54% improvement on gain at final anten na Design 3. All the three antenna designs have been fabricated and good agreement was achieved between the simulation and measurement result. A dual-functional prototype consists of Wi-Fi antenna and illumination device has been successfully developed. Adopted methods and techniques were able to significantly reduce the frequency shifting and increase the gain, as well as reducing the power consumption. 2018 Thesis NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/26878/1/TM_HAMIZAN%20YON%20EE%2018_5.pdf Performance enhancement of integrated light emitting diode and wi-fi antenna using stacked microstrip / Hamizan Yon. (2018) Masters thesis, thesis, Universiti Teknologi MARA.
spellingShingle Applications of electric power
Antennas
Yon, Hamizan
Performance enhancement of integrated light emitting diode and wi-fi antenna using stacked microstrip / Hamizan Yon
title Performance enhancement of integrated light emitting diode and wi-fi antenna using stacked microstrip / Hamizan Yon
title_full Performance enhancement of integrated light emitting diode and wi-fi antenna using stacked microstrip / Hamizan Yon
title_fullStr Performance enhancement of integrated light emitting diode and wi-fi antenna using stacked microstrip / Hamizan Yon
title_full_unstemmed Performance enhancement of integrated light emitting diode and wi-fi antenna using stacked microstrip / Hamizan Yon
title_short Performance enhancement of integrated light emitting diode and wi-fi antenna using stacked microstrip / Hamizan Yon
title_sort performance enhancement of integrated light emitting diode and wi fi antenna using stacked microstrip hamizan yon
topic Applications of electric power
Antennas
url https://ir.uitm.edu.my/id/eprint/26878/1/TM_HAMIZAN%20YON%20EE%2018_5.pdf
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