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Characterization of Doppler spectra for mobile communications at 5.3 GHz

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4 Author(s)
Zhao, Xiongwen ; Radio Lab., Helsinki Univ. of Technol., Espoo, Finland ; Kivinen, Jarmo ; Vainikainen, P. ; Skog, K.

Tapped-delay-line (TDL) channel models are developed from a measured database for outdoor and indoor mobile communications at 5.3 GHz. Meanwhile, several types of Doppler spectra are found at the different taps of the TDL models. For simulation purposes, a general three-dimensional autocorrelation function of the scattered waves is derived and connected to the distributions of angles of arrival of the waves and antenna radiation patterns. Furthermore, the propagation mechanisms of the different types of Doppler spectra observed in the TDL models are explained based on the comparisons between measured and simulated results where the Fourier transformations are performed on the autocorrelation functions to obtain the Doppler power spectra.

Published in:

Vehicular Technology, IEEE Transactions on  (Volume:52 ,  Issue: 1 )

Date of Publication:

Jan 2003

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