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Emmanuel Obi

Publications (4)

Measurement and Analysis of Noise Levels: A Study of Selected Pubs in Calabar, Nigeria

Emmanuel Obi, Ukoette Jeremiah Ekah & Igwe Ewona · Asian Journal of Research and Reviews in Physics · 2023

This research involves the assessment of noise levels in pubs operating in Calabar, Nigeria, to investigate their compliance with the permissible noise level recommended by the National Environmental Standards and Regulations Enforcement Agency (NESREA), Nigeria. A Bam and Kom (B...

Open access Research Article 10.9734/ajr2p/2023/v7i1129

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

Quality of Service Reliability: A Study of Received Signal Quality in GSM Networks

Joel Iloke, Ukoette Jeremiah Ekah, Enobong Joseph Oduobuk, Igwe Ewona & Emmanuel Obi · Asian Journal of Physical and Chemical Sciences · 2022

Every radio frequency (RF) design, after its implantation, should be regularly evaluated. The kernel of this article is to evaluate the performance of four GSM networks, taking its received signal quality (RxQual) into consideration. A total of 10501, 10140, 10415 and 10690 RxQua...

Open access Research Article 10.9734/ajopacs/2022/v10i3183