A deterministic approach for the modeling of wave propagation around buildings

G.A.J. van Dooren, M.H.A.J. Herben

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)

Abstract

In this paper the Uniform Theory of Diffraction (UTD) is used to calculate the electric field strength near perfectly conducting obstacles. In case suppression of an interfering radio wave is wanted, a parameter of interest is the site shielding factor, which expresses the attenuation of an electromagnetic wave that propagates around an obstacle. Site shielding results are presented for a thin screen and a block-type obstacle, and good agreement between theory and experiment is found for both cases. Another application of the site shielding concept is the prediction of the field strength in an urban environment. For this application the use of a versatile block-type obstacle seems more appropriate. To demonstrate the capability of the models presented, the field strength near a cluster of obstacles is calculated. It is explained how communication parameters such as the Doppler and the delay-Doppler spectrum can be derived from the wave analysis. The model proposed can be of use for the planning and analysis of (future) telecommunications systems and the understanding of the behavior of the (mean) signal strength in urban environments.

Original languageEnglish
Pages (from-to)175-194
Number of pages20
JournalJournal of Electromagnetic Waves and Applications
Volume8
Issue number2
DOIs
Publication statusPublished - 1 Jan 1994

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