Performance Analysis Of Empirical Propagation Models For Fixed Wireless Application
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Date
2018-04-20
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faculty of Communication and Information Sciences, University of Ilorin.
Abstract
In this study, an efficacy assessment was carried out on 5 most widely used empirical propagation
models by using MATLAB simulator to compare these models for FWA in both urban and
suburban environment. Simulations were carried out at two different frequencies of 2.5 GHz and
3.5 GHz with a transmitter height of 30 m and varying distance from 250 m to 10 km. Three
different receiver antenna heights of 3 m, 6 m, & 10 m were considered. The results indicated
that, Ericsson model has the least prediction of 145 dB to 147 dB at 10 m and 6 m receivers’
antenna height respectively, operating on 2.5 GHz frequency in urban environment. Apparently,
COST 231 Hata indicated the highest predicted path loss at 10 m and 6 m with predictions of 160
dB and 162 dB respectively in urban environment while the SUI model revealed the least
variation of propagation loss of 136 dB to 138 dB. Similarly, the study revealed that Ericsson
model has the lowest predicted path loss (150 dB to 153 dB) in an urban environment at 3.5 GHz.
The study concluded that no specific model predicted the least path loss for both urban and
suburban environment with the varying receiver antenna heights.
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Keywords
Path loss, fixed wireless application, empirical models, signal propagation, simulation