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- W2086773722 abstract "Results from parametric modeling of the indoor channel frequency response for very large number of sweeps over a frequency range of 3 GHz to 10 GHz are presented. The characterization of the frequency-dependence of the ultra wideband mining channel across the considered bandwidth is addressed and the smooth frequency response is evaluated using an Auto Regression (AR) method, which is proved in this study, sufficient to better approximate each recorded frequency response. This study concludes that the number of poles needed to describe the AR process is always less than 2 in the studied area. The appropriated poles of the model are obtained by minimizing the root means squared error (RMSE) between the original frequency response measurement and the predicted one. It is finally found out that the frequency decaying factor (δ) is around 0.5 in the underground area on study." @default.
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- W2086773722 date "2012-07-01" @default.
- W2086773722 modified "2023-10-16" @default.
- W2086773722 title "Experimental characterization of the Underground UWB channel" @default.
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- W2086773722 doi "https://doi.org/10.1109/aps.2012.6348878" @default.
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