Analysis of Path Loss and Propagation Characteristics for Independent Television, Benin City, Edo State.

Kebiru Abu, Amhenrior E. Henry

Abstract


Accurate path loss prediction is essential for maintaining television and radio broadcast quality. This study examined path loss for Independent Television (ITV) channel 22 operating on the Ultra-High Frequency (UHF) band in Benin City, Edo State, Nigeria. Signal strength measurements were collected at 0.1km along a route using a Tiny Spectrum Analyzer (SA). A path loss model was developed based on these measurements and compared to standard models of the Hata, Egli, and Free Space models. Results indicate a path loss increase of 39.6dB per decade in the urban area and that the developed model outperforms existing models. While the Hata model proved closest to the measured data a modified version provided the most accurate prediction with a Root Mean Square Error (RMSE) of 1.66dB. The path loss exponent is influenced by environmental factors, emphasizing the need for site-specific models. The developed and modified Hata models provide effective path loss prediction for Benin City’s urban environment.


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References


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