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2011-05-30

A Terrain Roughness Correction Factor for Hata Path Loss Model at 900 MHz

By Mahdi A. Nisirat, Mahamod Ismail, Liyth A. Nissirat, and Salim Alkhawaldeh
Progress In Electromagnetics Research C, Vol. 22, 11-22, 2011
doi:10.2528/PIERC11041402

Abstract

This paper proposes a new propagation model based on the most widely used Hata model. The proposed model is developed by extrapolating Hata model to be suitable microcells. The main equation of Hata urban model is modified by substituting the suburban correction factor with a terrain roughness parameter. This parameter uses a quadratic regression estimator of the standard deviation, σ, of the terrain irregularities along the measuring path, in west of Amman, Jordan. It is shown that RMSE between the predicted and measured data for the new proposed, is improved by up to 3 dB compared to Hata suburban model in most areas under study. Furthermore, the improvement in RMSE increases as σ increases. These results clarify the robustness of the proposed model.

Citation


Mahdi A. Nisirat, Mahamod Ismail, Liyth A. Nissirat, and Salim Alkhawaldeh, "A Terrain Roughness Correction Factor for Hata Path Loss Model at 900 MHz ," Progress In Electromagnetics Research C, Vol. 22, 11-22, 2011.
doi:10.2528/PIERC11041402
http://www.jpier.org/PIERC/pier.php?paper=11041402

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