Raindrop size distribution and terminal velocity for rainfall erosivity studies. A review

MA Serio, FG Carollo, V Ferro - Journal of Hydrology, 2019 - Elsevier
The knowledge of the rainfall drop size distribution (DSD) at the land surface is essential for
understanding precipitation mechanisms affecting soil erosion processes. Rainfall erosivity …

30-second and one-minute rainfall rate modelling and conversion for millimetric wave propagation in South Africa

MN Ahuna, TJ Afullo, AA Alonge - SAIEE Africa Research …, 2016 - ieeexplore.ieee.org
The knowledge of adequate rainfall statistics will contribute greatly to the roll-out of
emerging wireless technologies on the platform of Long-Term Evolution (LTE) and WiMax …

Application of synthetic storm technique for diurnal and seasonal variation of slant path Ka‐Band rain attenuation time series over a subtropical location in South Africa

JS Ojo, PA Owolawi - International Journal of Antennas and …, 2015 - Wiley Online Library
As technology advances and more demands are on satellite services, rain‐induced
attenuation still creates one of the most damaging effects of the atmosphere on the quality of …

Observation of bright-band height data from TRMM-PR for satellite communication in South Africa

EO Olurotimi, O Sokoya, JS Ojo, PA Owolawi - Journal of Atmospheric and …, 2017 - Elsevier
The deleterious effects of rain on a satellite link operating at a frequency above 10 GHz can
be estimated using various parameters such as rain rate, drop size distribution, and rain …

Raindrop size distribution and rainfall attenuation modeling in equatorial and subtropical Africa: the critical diameters

O Adetan, TJ Afullo - Annals of telecommunications-annales des …, 2014 - Springer
Raindrop sizes were obtained from Butare, Rwanda (2.6° S, 29.74° E) and Durban, South
Africa (29° 52′ S, 30° 58′ E) using the Joss–Waldvogel RD-80 disdrometer. The obtained …

Semi-empirical characteristics of modified lognormal DSD inputs using rain rate distributions for radio links over the African continent

AA Alonge - Advances in Space Research, 2021 - Elsevier
Rainfall attenuation mitigation is one of the important design factors considered in the
deployment of outdoor wireless 5G networks, especially in the provision of services …

[PDF][PDF] Equivalent 1-minute rain rate statistics and seasonal fade estimates in the microwave band for south-western Nigeria

OO Obiyemi, TJ Afullo, TS Ibiyemi - Int. Journal of Scientific & …, 2014 - academia.edu
The knowledge of 1-minute integrated cumulative rain rate distribution is required for
predicting the attenuation induced by rain on satellite and terrestrial microwave and …

Characteristics of rainfall queues for rain attenuation studies over radio links at subtropical and equatorial Africa

AA Alonge, TJ Afullo - Radio Science, 2014 - ieeexplore.ieee.org
Attenuation due to precipitation remains an important design factor in the future deployment
of terrestrial and earth-space communication radio links. Largely, there are concerted efforts …

Rain height dynamics over some coastal cities of South Africa for earth-space links design

EO Olurotimi, JS Ojo - Journal of Physics: Conference Series, 2021 - iopscience.iop.org
One of the major parameters required for the prediction of rain-induced attenuation is the
rain height. This paper presents some dynamic features of rain height measurement from …

Optimized rain drop size distribution model for microwave propagation for equatorial Africa

D Sumbiri, TJO Afullo - SAIEE Africa Research Journal, 2020 - ieeexplore.ieee.org
In radio propagation, modelling of rainfall rate, rain attenuation and drop size distribution is
highly location-dependent and thus requires availability of reliable data from various …