Title :
Statistics of differential rain attenuation on converging terrestrial propagation paths
Author :
Panagopoulos, Athanasios D. ; Kanellopoulos, John D.
Author_Institution :
Dept. of Electr. & Comput. Eng., Nat. Tech. Univ. of Athens, Greece
fDate :
9/1/2003 12:00:00 AM
Abstract :
Rain attenuation is considered to be one of the main causes of interference impairments for terrestrial communication systems operating at frequencies above 10 GHz. A method to predict the cumulative distribution of differential rain attenuation on two converging microwave links is proposed. It is based on a convective raincells model for the structure of the rainfall medium, as well as the lognormal assumption for the point rainfall distribution. The degradation of the carrier-to-interference ratio under rainy conditions is also examined. Numerical results are compared with a set of available experimental data for the differential rain attenuation over pairs of terrestrial links in Brazil.
Keywords :
electromagnetic wave absorption; electromagnetic wave scattering; log normal distribution; microwave links; microwave propagation; rain; tropospheric electromagnetic wave propagation; Brazil; carrier-to-interference ratio; convective raincells model; converging microwave links; converging propagation paths; cumulative distribution; differential rain attenuation statistics; interference impairments; lognormal distribution; terrestrial propagation paths; Antennas and propagation; Attenuation; Communication systems; Diffraction; Frequency; Fresnel reflection; Geometrical optics; Interference; Rain; Statistics;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.2003.816643
