Publication Date

2020

Document Type

Dissertation/Thesis

First Advisor

Demir, Veysel

Degree Name

M.S. (Master of Science)

Legacy Department

Department of Electrical Engineering

Abstract

This thesis presents the use of two dielectric layers in a planar Goubau line (PGL) to improve its transmission efficiency compared to the existing single-layer models, which is less than 70% efficient at lower frequencies up to 5 GHz. Further, as an extension of the thesis, the possibility of obtaining directive radiation pattern with radiation efficiency greater than 89.6% using a Goubau-line-based antenna is studied. While none of the existing Goubau-line-based antennas are able to obtain an endfire pattern with radiation efficiency of above 80%, the proposed model utilizes stubs that are periodically attached to the main line of length 0.75???????? to obtain an endfire radiation having a radiation efficiency of 93% and a forward gain of 6.5 dBi while operating at a frequency of 3 GHz. The performance of the proposed PGL and antenna design are evaluated by simulations using CEMS electromagnetic simulation software.

Extent

34 pages

Language

eng

Publisher

Northern Illinois University

Rights Statement

In Copyright

Rights Statement 2

NIU theses are protected by copyright. They may be viewed from Huskie Commons for any purpose, but reproduction or distribution in any format is prohibited without the written permission of the authors.

Media Type

Text

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