Emmanuel Obi

Tropospheric Influence on Low-band Very High Frequency (VHF) Radio Waves

Ukoette Jeremiah Ekah, Emmanuel Obi & Igwe Ewona · Asian Journal of Advanced Research and Reports · 2022

The objectives of this study are to understudy the effects of temperature and relative humidity on low-band VHF signals, obtain a propagation model for signal transmission over Calabar and to ascertain the suitability of the free space propagation model for the study terrain. Res...

Open access Research Article 10.9734/ajarr/2022/v16i11436

Measurement and Performance Analysis of Signal-to-interference Ratio in Wireless Networks

Ukoette Jeremiah Ekah, Joel Iloke, Emmanuel Obi & Igwe Ewona · Asian Journal of Advanced Research and Reports · 2022

To evaluate the reliability and quality of signal of UMTS radio access technology of three cellular networks (MTN, 9mobile and Airtel network) over two cities in Nigeria, an intensive drive test measurement was conducted, taking into consideration, signal-to-interference ratio (E...

Open access Research Article 10.9734/ajarr/2022/v16i330462