UTD multiple-edge transition zone diffraction

Author

Andersen, J. Bach

Author_Institution

Center for Personkommunikation, Aalborg Univ., Denmark

Volume

45

Issue

7

fYear

1997

fDate

7/1/1997 12:00:00 AM

Firstpage

1093

Lastpage

1097

Abstract

The uniform theory of diffraction (UTD) is applied to multiple absorbing screens, which are in the transition zones near shadow boundaries. The theory includes the application of slope diffraction, which is a first-order effect in transition zone diffraction. By choosing length parameters independently for amplitude and slope diffraction, it is ensured that the solution has continuity of amplitude and slope at each point. The solution is compared with known solutions with good results except when two screens are very near each other. The study is of particular interest to radio propagation over terrain in mobile radio systems

Keywords

UHF radio propagation; geometrical theory of diffraction; land mobile radio; 900 MHz; UHF; UTD multiple-edge transition zone diffraction; amplitude; first-order effect; length parameters; mobile radio systems; multiple absorbing screens; radio propagation; shadow boundaries; slope diffraction; terrain; uniform theory of diffraction; Difference equations; Fast Fourier transforms; Indoor environments; Integral equations; Microcell networks; Mobile communication; Optical diffraction; Physical optics; Physical theory of diffraction; Ray tracing;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/8.596898

Filename

596898