Opara C. Ezekwesili

Evaluation of Wideband Channel Characteristics and Path-Loss Models for 5G Macro-Cell Networks in Nigeria

Opara C. Ezekwesili, Ogherohwo E.P & Zhimwang J.T. · Asian Journal of Research and Reviews in Physics · 2025

This study evaluates the performance of wideband channels and path-loss models in 5G macro-cell deployments across diverse terrains in Abuja, with a particular emphasis on urban and rural areas. The study uses a standardised empirical model to investigate the effect of mobility,...

Open access Research Article 10.9734/ajr2p/2025/v9i3195

Statistical Analysis on the Impact of Tropospheric Temperature and Relative Humidity on Downlink Satellite Communication System over Warri, Delta State

Opara C. Ezekwesili, J. T. Zhimwang, E. P Ogherohwo & O. S. Shaka · Asian Journal of Research and Reviews in Physics · 2021

This study was aimed at analyzing the effect of temperature and relative humidity on downlink satellite communication systems over Warri, in Delta State, Nigeria. The data used in this study were temperature, relative humidity and radio signal strength (RSS) obtained from the Nig...

Open access Research Article 10.9734/ajr2p/2021/v5i430170