An overview of rainfall fading prediction models for satellite links in Southern Africa

D Sumbiri, TJO Afullo - Progress in Electromagnetics Research B, 2021 - jpier.org
This work presents an overview of rainfall fading models over satellite links in South Africa
using three years of rainfall data collected by the Joss-Waldvogel RD-80 disdrometer in …

Dynamic rain attenuation model for millimeter wave network analysis

MV Perić, DB Perić, BM Todorović… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In millimeter wave networks, a received signal level and interference dynamically vary due
to rain attenuation. These physical layer variations have influence on upper communication …

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 …

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 …

Rainfall rate and attenuation performance analysis at microwave and millimeter bands for the design of terrestrial line-of-sight radio links in Ethiopia

FD Diba, TJ Afullo, AA Alonge - SAIEE Africa Research Journal, 2016 - ieeexplore.ieee.org
Rainfall is a major cause of propagation degradation in wireless communication systems at
microwave and millimetre bands. While the International Telecommunications Union (ITU-R) …

[PDF][PDF] Rainfall zoning and rain attenuation map** for microwave and millimetric applications in Central Africa

D Sumbiri, TJ Afullo, AA Alonge - Int. J. Commun. Anten. Propag, 2016 - researchgate.net
Rainfall attenuation is among the major factors often considered, in the design of wireless
networks, operating at higher bands within microwave and millimeter wave spectrum. At …

Rainfall microstructures for microwave and millimeter wave link budget at tropical and subtropical sites

AA Alonge, TJ Afullo - 2013 Africon, 2013 - ieeexplore.ieee.org
Tropical and subtropical sites are known as areas of intense rainfall, where both satellite
and terrestrial links suffer from severe levels of signal degradation. In this study, Butare (2° …

The critical diameters for rainfall attenuation in southern Africa

O Adetan, TJO Afullo - Progress In Electromagnetics Research B, 2013 - jpier.org
This paper investigates the influence of critical raindrop diameters on the specific rain
attenuation in Durban (29 52'S, 30 58'E), South Africa. The total rainfall attenuation is …

Rain attenuation prediction for terrestrial links at microwave and millimeter bands over Kenya

J Onaya, PO Akuon, VO Kalecha - 2021 IEEE AFRICON, 2021 - ieeexplore.ieee.org
The equatorial and tropical regions are usually characterized with high amount of rainfall;
this usually affect transmission links operating at microwave and millimetre wave bands. The …

Outage prediction during intense rainstorm events using queuing theory and Markov chains over radio links

MN Ahuna, TJO Afullo, A Alonge - Progress In Electromagnetics Research …, 2018 - jpier.org
Satellite communication links operating at higher frequency bands suffer from signal
outages due to rain attenuation. Site diversity technique is one of the rain fade mitigation …