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Proceedings Paper

Some risks in selecting the best method for rain attenuation distribution prediction
Author(s): Vaclav Kvicera; Petr Cejka
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Paper Abstract

Results of concurrent measurements of both attenuation due to rain at different frequencies on terrestrial line-of-sight paths and rain intensity measured in many countries all over the world are included i the data bank of the Study Group 3 ITU-R. These data can be accepted for the testing of various methods presented occasionally in professional journals and conferences for the calculation of rain attenuation distribution from measured rain intensity data. At TESTCOM, software was developed which can be used for choosing the best method for rain attenuation distribution calculation. Data from 62 terrestrial line-of-sight paths collected in 16 countries were used for 36 testing methods. Statistical parameters of testing procedure were calculated and encountered risks are described. The real proposal of cumulative distributions of attenuation due to rain at 19 GHz frequency band in the Czech Republic based on both the 5-year results of observation at TESTCOM and the above mentioned software is shown in detail and discussed. Rain attenuation calculation methods based on measured propagation and rain intensity data are of fundamental importance for the realistic calculation of new both the Point-to-Point and the Point-to-Multipoint systems.

Paper Details

Date Published: 7 April 2004
PDF: 4 pages
Proc. SPIE 5445, Microwave and Optical Technology 2003, (7 April 2004); doi: 10.1117/12.560710
Show Author Affiliations
Vaclav Kvicera, TESTCOM (Czech Republic)
Petr Cejka, TESTCOM (Czech Republic)


Published in SPIE Proceedings Vol. 5445:
Microwave and Optical Technology 2003
Jaromir Pistora; Kamil Postava; Miroslav Hrabovsky; Banmali S. Rawat, Editor(s)

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