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2010-09-09
Rain Attenuation Modeling in the 10-100 GHz Frequency Using DROP Size Distributions for Different Climatic Zones in Tropical India
By
Saurabh Das,

    Dr. Saurabh Das

    University of Calcutta

    India

    Homepage

Animesh Maitra,

    Professor Animesh Maitra

    University of Calcutta

    India

    Homepage

Ashish Kumar Shukla

    Dr. Ashish Kumar Shukla

    Space Applications Centre, Indian Space Research Organization

    India

    Homepage

Progress In Electromagnetics Research B, Vol. 25, 211-224, 2010
doi:10.2528/PIERB10072707 | Google Scholar

Abstract
Rain drop size distributions (DSD) are measured with disdrometers at five different climatic locations in the Indian tropical region. The distribution of drop size is assumed to be lognormal to model the rain attenuation in the frequency range of 10-100 GHz. The rain attenuation is estimated assuming single scattering of spherical rain drops. Different attenuation characteristics are observed for different regions due to the dependency of DSD on climatic conditions. A comparison shows that significant differences between ITU-R model and DSD derived values occur at high frequency and at high rain rates for different regions. At frequencies below 30 GHz, the ITU-R model matches well with the DSD generated values up to 30 mm/h rain rate but differ above that. The results will be helpful in understanding the pattern of rain attenuation variation and designing the systems at EHF bands in the tropical region.
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Citation
Saurabh Das, Animesh Maitra, and Ashish Kumar Shukla, "Rain Attenuation Modeling in the 10-100 GHz Frequency Using DROP Size Distributions for Different Climatic Zones in Tropical India," Progress In Electromagnetics Research B, Vol. 25, 211-224, 2010.
doi:10.2528/PIERB10072707
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