Precipitation and other propagation impairments effects at microwave and millimeter wave bands: a mini survey

SK Kotamraju, CSK Korada - Acta Geophysica, 2019 - Springer
The current past has seen a sensational increment in the utilization of satellites for the
applications like navigation, entertainment, media transmission, remote sensing, mobile …

[HTML][HTML] Assessment of total attenuation and adaptive scheme for quality of service enhancement in tropical weather for satellite networks and 5G applications in …

J Ojo, E Olurotimi, O Obiyemi - Journal of Microwaves …, 2021 - SciELO Brasil
The dynamic weather condition is a major concern for optimum channel utilization in recent
times, especially at higher frequencies with larger bandwidth for 5G applications. Over the …

Application of synthetic storm technique for rain attenuation prediction at Ka and Q band for a temperate Location, Vigo, Spain

DD Nandi, F Pérez-Fontán, V Pastoriza-Santos… - Advances in Space …, 2020 - Elsevier
Time series prediction of rain attenuation from rain rate measurement during rain is made by
using Synthetic Storm Technique (SST) for Ka and Q band signal for a temperate location …

[HTML][HTML] Diurnal and seasonal variations of rain rate and rain attenuation on Ku-band satellite systems in a tropical region: A synthetic storm techniques approach

JS Ojo, OC Rotimi - Journal of computer and communications, 2015 - scirp.org
In this paper, a time-varying rain characterization and diurnal variation in the Ku-band
satellite systems simulated with synthetic storm techniques (SST) over a tropical location in …

Investigation of the Seasonal Impact of Diversity Gain and Improvement Factors on Signal Availability in Tropical Location

MA Sodunke, JS Ojo, KD Adedayo, A De - Wireless Personal …, 2024 - Springer
A satellite communication signal suffers from attenuation due to rain, and this offers many
problems for effective signal transfer and quality, thereby affecting satellite communication …

Effects of wind velocity on slant path rain-attenuation for satellite application in Malaysia

AK Lwas, MR Islam, MH Habaebi, SJ Mandeep… - Acta Astronautica, 2015 - Elsevier
Earth-to-satellite signals suffer by Earth׳ s atmosphere especially by precipitations. It is more
severe in tropical climate. A reliable technique named as synthetic storm technique (SST) …

Performance of site diversity fade mitigation over Earth‐to‐space propagation link using rain cell measurements in a tropical Nigeria

JS Ojo, MO Ajewole… - IET Microwaves, Antennas …, 2017 - Wiley Online Library
The concept of site diversity is one of the fade mitigation techniques for radio communication
system to overcome severe attenuation during an intense rainy condition. In this study, the …

Analysis of bright-band height data from TRMM-PR for satellite communication in Durban, South Africa

EO Olurotimi, O Sokoya, JS Ojo, PA Owolawi - AFRICON 2015, 2015 - ieeexplore.ieee.org
In this paper, 4-year precipitation data obtained from Tropical Rain Measuring Mission-
Precipitation Radar (TRMM-PR) satellite were processed and used to determine the …

Modeling freezing height level for satellite link communication: Durban, South Africa

EO Olurotimi, O Sokoya, JS Ojo… - 2017 IEEE …, 2017 - ieeexplore.ieee.org
In the design process of Earth-space link telecommunication systems at higher frequencies,
the precise estimation of attenuation due to rain which depends on rain height is important …

Performance of ARIMA modelling on sub-tropical rain attenuation at Ka-band terrestrial link in Kwazulu-Natal, South Africa

AO Ayo, PA Owolawi, JS Ojo - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
The estimation of rain attenuation over a satellite link needs an accurate rainfall rate. The
exponential development of satellite networks using higher-frequency bands such as Ka …