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Accuracy of depolarization and delay spread predictions using advanced ray-based modeling in indoor scenarios

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Author(s): Mani Francesco | Quitin Fran├žois | Oestges Claude

Journal: EURASIP Journal on Wireless Communications and Networking
ISSN 1687-1472

Volume: 2011;
Issue: 1;
Start page: 11;
Date: 2011;
Original page

Keywords: Propagation | ray tracing | indoor radio communications | scattering | polarization

ABSTRACT
Abstract This article investigates the prediction accuracy of an advanced deterministic propagation model in terms of channel depolarization and frequency selectivity for indoor wireless propagation. In addition to specular reflection and diffraction, the developed ray tracing tool considers penetration through dielectric blocks and/or diffuse scattering mechanisms. The sensitivity and prediction accuracy analysis is based on two measurement campaigns carried out in a warehouse and an office building. It is shown that the implementation of diffuse scattering into RT significantly increases the accuracy of the cross-polar discrimination prediction, whereas the delay-spread prediction is only marginally improved.

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