A ray launching method for radio-mobile propagation in urban area

Author

Rossi, J.P. ; Bic, J.C. ; Levy, A.J. ; Gabillett, Y. ; Rosen, M.

Author_Institution

CNET, Issy-les-Moulineaux, France

fYear

1991

fDate

24-28 June 1991

Firstpage

1540

Abstract

A computer code based on digitized terrain data was developed to estimate path losses and selectivity characteristics of the urban radio channel between a mobile located in a street and a base station on the roof of a high building. The principle of the program consists in a ray launching in projection on the horizontal plane supplemented by third-dimension considerations. Some simulated results are presented and compared with actual measured data. The computed mean impulse response is always in good agreement for the first delay paths. A significant discrepancy can arise for long delay paths, but realistic features are always observed.<>

Keywords

delays; geometrical optics; mobile radio systems; radiowave propagation; transient response; UHF; base station; digitized terrain data; high building roof; horizontal plane; long delay paths; mean impulse response; mobile radio; path loss estimates; radiowave propagation; ray launching method; selectivity characteristics; urban area; urban radio channel; Base stations; Cities and towns; Electromagnetic scattering; Mobile computing; Predictive models; Ray tracing; Statistics; UHF measurements; UHF propagation; Urban areas;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 1991. AP-S. Digest

Conference_Location

London, Ontario, Canada

Print_ISBN

0-7803-0144-7

Type

conf

DOI

10.1109/APS.1991.175146

Filename

175146