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An investigation of wave propagation over irregular terrain and urban streets using finite elements

An investigation of wave propagation over irregular terrain and urban streets using finite elements

Arshad, Kamran, Katsriku, Ferdinand and Lasebae, Aboubaker (2007) An investigation of wave propagation over irregular terrain and urban streets using finite elements. In: TELE-INFO'07 Proceedings of the 6th WSEAS International Conference on Telecommunications and Informatics. World Scientific and Engineering Academy and Society (WSEAS), Stevens Point, Wisconsin, USA, pp. 105-110. ISBN 8887776666554

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Abstract

A method to model electromagnetic wave propagation in troposphere on irregular terrain in the presence of height dependant refractivity is presented using finite element analysis. In this work, the helmholtz equation applied on radiowave propagation properly manipulated and simplified using pade approximation is solved using finite element method. Paraxial form of helmholtz equation is also called wide angle formulation of parabolic equation (WPEM) and is used because of its accuracy and behavior on large propagation angles. By using this method, horizontal and vertical tropospheric characteristics are assigned to every element, and different refractivity and terrain profiles can be entered at different stages. We also consider wave propagation on an urban street to demonstrate the effectiveness of our method.

Item Type: Conference Proceedings
Title of Proceedings: TELE-INFO'07 Proceedings of the 6th WSEAS International Conference on Telecommunications and Informatics
Additional Information: [1] This paper was first presented at the 6th World Scientific and Engineering Academy and Society (WSEAS) International Conference on Telecommunications and Informatics held from 22-24 March 2007 in Dallas, Texas, USA.
Uncontrolled Keywords: finite element method, parabolic equation method, troposphere
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments: School of Engineering
School of Engineering > Mobile & Wireless Communications Research Laboratory
Related URLs:
Last Modified: 14 Oct 2016 09:27
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/11284

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