Highlights Estimation of diversity gain utilizing a single Ku-band receiver. Experimental results show significant deviations from ITU-R and Hodge models. Different diversity gain models are proposed for different seasons. Proposed models show better predictability of diversity gain than existing models.
Abstract The present study proposes a technique by which the diversity gain can be estimated for a site utilizing the propagation data obtained at a single station. The technique is crucial in estimating diversity parameters in the absence of multi-station data. The rain decay parameter, as defined in the Simple Attenuation Model (SAM), is used to derive the rain rate and consequently rain attenuation at different distances from the single receiving site. The tropical location has been found to experience a wide variability of rain features during different periods of the year causing strong seasonal variations in the diversity gain. A comparison of the diversity gain obtained from the present propagation data and the ITU-R model indicates the necessity of modifying the model parameters of the ITU-R model. The modified model incorporates the seasonal variation and exhibits better prediction capability than the ITU-R model as related to the tropical location.
Diversity gain for rain attenuation over Earth-space path at a tropical location
Advances in Space Research ; 57 , 3 ; 794-801
2015-12-01
8 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Comparison of rain attenuation prediction methods for earth-space paths over northern India
Online Contents | 1994
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