Abstract
This paper is aimed at comparing the signal path-loss as predicted by the Free-space model and the Okumura-Hata model with that obtained through practical measurements in the City of Warri and its environs in Delta State, Nigeria. Selected transmitting antennas mounted on base stations located at Refinery road, Enerhen junction and Okuokorkor areas were employed as the transmitters and a Lenovo A859 with received signal strength monitoring software called Net Monitor was used to measure the received signal strength at every 100 meters to a maximum distance of 1500 meters. Various path-loss models were analyzed and Free-space and the Okumura-Hata models employed in predicting the signal path-losses. The results obtained shows that the Okumura-Hata model performed well in predicting signal path-losses in Warri and its environs. http://dx.doi.org/10.4314/njt.v35i1.15
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