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Comparisons of a computer-based propagation prediction tool with experimental data collected in urban microcellular environments

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5 Author(s)
Erceg, V. ; AT&T Labs. Res., Holmdel, NJ, USA ; Fortune, S.J. ; Ling, J. ; Rustako, A.J.
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Engineers designing and installing outdoor and indoor wireless communications systems need effective and practical tools to help them determine base station antenna locations for adequate signal coverage. Computer-based radio propagation prediction tools are now often used in designing these systems. We assess the performance of such a propagation tool based on ray-tracing and advanced computational methods. We have compared its predictions with outdoor experimental data collected in Manhattan and Boston (at 900 MHz and 2 GHz). The comparisons show that the computer-based propagation tool can predict signal strengths in these environments with very good accuracy. The prediction errors are within 6 dB in both mean and standard deviation. This shows that simulations, rather than costly field measurements, can lead to accurate determination of the coverage area for a given system design

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Selected Areas in Communications, IEEE Journal on  (Volume:15 ,  Issue: 4 )