Circular patch microstrip antenna using an elliptical head dumbbell defected ground structure for WiMAX / Nur Rashidah Isnin

Circular patch microstrip antenna using an elliptical head dumbbell defected ground structure for WiMAX / Nur Rashidah Isnin

This thesis present the design of a circular patch microstrip antenna using an elliptical head dumbbell defected ground structure (DGS). The miniature circular patch antenna was simulated using Computer Simulation Technology (CST) Microwave Studio. The antenna was design to operate at 3.5 GHz and ap...

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Main Author: Isnin, Nur Rashidah
Format: Thesis
Language:English
Published: 2013
Online Access:https://ir.uitm.edu.my/id/eprint/81825/1/81825.pdf
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spelling my-uitm-ir.818252023-11-09T08:58:32Z Circular patch microstrip antenna using an elliptical head dumbbell defected ground structure for WiMAX / Nur Rashidah Isnin 2013 Isnin, Nur Rashidah This thesis present the design of a circular patch microstrip antenna using an elliptical head dumbbell defected ground structure (DGS). The miniature circular patch antenna was simulated using Computer Simulation Technology (CST) Microwave Studio. The antenna was design to operate at 3.5 GHz and applicable for WiMAX (Worldwide Interoperability for Microwave access). A comparison is also presented for the antenna structure with defected ground and without defected ground. The parameters performances of the both antennas were analyzed and compared including size of microstrip. The performance of the proposed antenna was characterized by varying the geometry and dimension of the Defected Ground Structure (DGS) and also by locating the DGS at specific position which were simulated. Vector Network Analyzer (VNA) was used to measure both antennas and the results were compared with the simulation results. Return loss of -26.29 dB, Voltage Standing Wave Ratio (VSWR) of 1.102 and bandwidth of 3% is obtain from the defected ground structure. The size also reduces about 0.8 mm from the actual size. 2013 Thesis https://ir.uitm.edu.my/id/eprint/81825/ https://ir.uitm.edu.my/id/eprint/81825/1/81825.pdf text en public degree Universiti Teknologi MARA (UiTM) Faculty of Electrical Engineering Khadri, Norasimah
institution Universiti Teknologi MARA
collection UiTM Institutional Repository
language English
advisor Khadri, Norasimah
description This thesis present the design of a circular patch microstrip antenna using an elliptical head dumbbell defected ground structure (DGS). The miniature circular patch antenna was simulated using Computer Simulation Technology (CST) Microwave Studio. The antenna was design to operate at 3.5 GHz and applicable for WiMAX (Worldwide Interoperability for Microwave access). A comparison is also presented for the antenna structure with defected ground and without defected ground. The parameters performances of the both antennas were analyzed and compared including size of microstrip. The performance of the proposed antenna was characterized by varying the geometry and dimension of the Defected Ground Structure (DGS) and also by locating the DGS at specific position which were simulated. Vector Network Analyzer (VNA) was used to measure both antennas and the results were compared with the simulation results. Return loss of -26.29 dB, Voltage Standing Wave Ratio (VSWR) of 1.102 and bandwidth of 3% is obtain from the defected ground structure. The size also reduces about 0.8 mm from the actual size.
format Thesis
qualification_level Bachelor degree
author Isnin, Nur Rashidah
spellingShingle Isnin, Nur Rashidah
Circular patch microstrip antenna using an elliptical head dumbbell defected ground structure for WiMAX / Nur Rashidah Isnin
author_facet Isnin, Nur Rashidah
author_sort Isnin, Nur Rashidah
title Circular patch microstrip antenna using an elliptical head dumbbell defected ground structure for WiMAX / Nur Rashidah Isnin
title_short Circular patch microstrip antenna using an elliptical head dumbbell defected ground structure for WiMAX / Nur Rashidah Isnin
title_full Circular patch microstrip antenna using an elliptical head dumbbell defected ground structure for WiMAX / Nur Rashidah Isnin
title_fullStr Circular patch microstrip antenna using an elliptical head dumbbell defected ground structure for WiMAX / Nur Rashidah Isnin
title_full_unstemmed Circular patch microstrip antenna using an elliptical head dumbbell defected ground structure for WiMAX / Nur Rashidah Isnin
title_sort circular patch microstrip antenna using an elliptical head dumbbell defected ground structure for wimax / nur rashidah isnin
granting_institution Universiti Teknologi MARA (UiTM)
granting_department Faculty of Electrical Engineering
publishDate 2013
url https://ir.uitm.edu.my/id/eprint/81825/1/81825.pdf
_version_ 1783736337429430272

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