Computer Analysis of the COST 231 Hata Model and Least Squares Approximation for Path Loss Estimation at 900MHz on the Mountain Terrains of the Jos-Plateau, Nigeria

 Computer Analysis of the COST 231 Hata Model and Least Squares Approximation for Path Loss Estimation at 900MHz on the Mountain Terrains of the Jos-Plateau, Nigeria






Abraham Deme1,2
Danjuma Dajab2
Davou Choji Nyap3
1. ICT Directorate, University of Jos, Jos-Nigeria
2. Department of Electrical and Computer Engineering, Ahmadu Bello University, Zaria –
Nigeria
3. Department of ComputerScience, University of Jos, Jos-Nigeria




Computer Engineering and Intelligent Systems, Vol.4, No.9, 2013
PP. 39 - 48:


The determination of radio propagation characteristics for a given terrain is a key consideration in wireless
network planning. For this purpose radio propagation models are quite useful. Some of the most widely used
models are the Empirical Propagation Models. The suitability of any propagation model depends on terrain
clutter and other constraints. Some extensively used Empirical Models include the COST 231 Hata Model
(COST 231 1999, Saunders 2000, COST 231 revision 2, 1991), COST 231-Walfisch-Ikegami Model (COST 231
1999), etc. In this paper, the suitability of the COST 231 Hata Model for network coverage prediction across the
mountain terrains of the Jos-Plateau Nigeria is tested. With a RMSE of 10.25dB the model is found
unacceptable, the acceptable maximum being 6dB. An optimized propagation model built on the basis of the
COST 231 Hata Model and backed up by statistical proof of acceptability is subsequently proposed.
Keywords: Empirical Propagation Models, COST 231 Hata Model, Hata-Okumura Model, COST 231-
Walfisch-Ikegami Model


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