Seirpinski gasket fractal antenna with ring-shaped defected ground structure / Khairul Asnawi Anis

Seirpinski gasket fractal antenna with ring-shaped defected ground structure / Khairul Asnawi Anis

This work presents the design and fabrication of a Sierpinski gasket fractal antenna with ring shape defected ground structure (DGS) with the center frequency of 5.8 GHz. The antenna was designed and simulated by using Computer Simulation Technology (CST) and fabricated on RO5880 substrate with diel...

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Main Author: Anis, Khairul Asnawi
Format: Thesis
Language:English
Published: 2014
Online Access:https://ir.uitm.edu.my/id/eprint/81657/1/81657.pdf
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spelling my-uitm-ir.816572023-11-09T02:11:47Z Seirpinski gasket fractal antenna with ring-shaped defected ground structure / Khairul Asnawi Anis 2014 Anis, Khairul Asnawi This work presents the design and fabrication of a Sierpinski gasket fractal antenna with ring shape defected ground structure (DGS) with the center frequency of 5.8 GHz. The antenna was designed and simulated by using Computer Simulation Technology (CST) and fabricated on RO5880 substrate with dielectric constant, erof 2.2 with thickness of 0.381 mm. Vector Network Analyzer (VNA) was used to measure all the parameters of the antenna such as return loss, VSWR and input impedance. The inclusion of the ring-shape defected ground structure was to improve the overall performance of the antenna. Performance of the proposed antenna is discussed in terms of return loss, gain, input impedance, VSWR, bandwidth and radiation pattern. There were two measurements made which are without stub and with stub matching. For without stub matching, the measurement result was shifted to 5.865 GHz from the center frequency with the return loss is -1 7.762 dB. After stub-matching applied to the Sierpinski antenna, the simulated and measured results were close to each other and achieved the specification for this work at 5.80 GHz the return loss is -25.3 07 dB and unidirectional radiation pattern was realized. The proposed antenna was very compact in size and the measured and simulated values of the parameters of the antenna concur well. 2014 Thesis https://ir.uitm.edu.my/id/eprint/81657/ https://ir.uitm.edu.my/id/eprint/81657/1/81657.pdf text en public degree Universiti Teknologi MARA (UiTM) Faculty of Electrical Engineering Ismail, Kamariah
institution Universiti Teknologi MARA
collection UiTM Institutional Repository
language English
advisor Ismail, Kamariah
description This work presents the design and fabrication of a Sierpinski gasket fractal antenna with ring shape defected ground structure (DGS) with the center frequency of 5.8 GHz. The antenna was designed and simulated by using Computer Simulation Technology (CST) and fabricated on RO5880 substrate with dielectric constant, erof 2.2 with thickness of 0.381 mm. Vector Network Analyzer (VNA) was used to measure all the parameters of the antenna such as return loss, VSWR and input impedance. The inclusion of the ring-shape defected ground structure was to improve the overall performance of the antenna. Performance of the proposed antenna is discussed in terms of return loss, gain, input impedance, VSWR, bandwidth and radiation pattern. There were two measurements made which are without stub and with stub matching. For without stub matching, the measurement result was shifted to 5.865 GHz from the center frequency with the return loss is -1 7.762 dB. After stub-matching applied to the Sierpinski antenna, the simulated and measured results were close to each other and achieved the specification for this work at 5.80 GHz the return loss is -25.3 07 dB and unidirectional radiation pattern was realized. The proposed antenna was very compact in size and the measured and simulated values of the parameters of the antenna concur well.
format Thesis
qualification_level Bachelor degree
author Anis, Khairul Asnawi
spellingShingle Anis, Khairul Asnawi
Seirpinski gasket fractal antenna with ring-shaped defected ground structure / Khairul Asnawi Anis
author_facet Anis, Khairul Asnawi
author_sort Anis, Khairul Asnawi
title Seirpinski gasket fractal antenna with ring-shaped defected ground structure / Khairul Asnawi Anis
title_short Seirpinski gasket fractal antenna with ring-shaped defected ground structure / Khairul Asnawi Anis
title_full Seirpinski gasket fractal antenna with ring-shaped defected ground structure / Khairul Asnawi Anis
title_fullStr Seirpinski gasket fractal antenna with ring-shaped defected ground structure / Khairul Asnawi Anis
title_full_unstemmed Seirpinski gasket fractal antenna with ring-shaped defected ground structure / Khairul Asnawi Anis
title_sort seirpinski gasket fractal antenna with ring-shaped defected ground structure / khairul asnawi anis
granting_institution Universiti Teknologi MARA (UiTM)
granting_department Faculty of Electrical Engineering
publishDate 2014
url https://ir.uitm.edu.my/id/eprint/81657/1/81657.pdf
_version_ 1783736333436452864

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