Title :
High frequency diffraction by a dielectric wedge - three dimensional study
Author :
Vandamme, J. ; Baranowski, S. ; Mariage, P.
Author_Institution :
Dept. of Electron., Lille Univ., Villeneuve d´´Ascq, France
Abstract :
Modelling of high frequency waves propagation in urban areas is of great interest. This paper proposes a solution for a basic problem encountered in this general study: field diffraction by a dielectric wedge (building wedge), and specially a model for a three dimensional analysis. Mathematical aspects based on the uniform theory of diffraction and previous works are presented in the first part. Then, experiments at 1.5 GHz are described and a good agreement between numerical model and measurements is verified. The signal losses due to the masking effect are evaluated and the depolarization of the diffracted wave is also shown
Keywords :
UHF radio propagation; geometrical theory of diffraction; losses; 1.5 GHz; UHF; building wedge; depolarization; dielectric wedge; field diffraction; high frequency diffraction; high frequency waves propagation; masking effect; signal losses; three dimensional study; uniform theory of diffraction; urban areas; Antenna measurements; Dielectric measurements; Frequency; Numerical models; Physical theory of diffraction; Polarization; Receiving antennas; Scattering; Transmitters; Urban areas;
Conference_Titel :
Personal, Indoor and Mobile Radio Communications, 1995. PIMRC'95. Wireless: Merging onto the Information Superhighway., Sixth IEEE International Symposium on
Conference_Location :
Toronto, Ont.
Print_ISBN :
0-7803-3002-1
DOI :
10.1109/PIMRC.1995.476417
