The ultra-wide bandwidth outdoor channel: from measurement campaign to statistical modelling

Authors:
Marco Di Renzo;Fabio Graziosi;Riccardo Minutolo;Mauro Montanari;Fortunato Santucci
Affiliations:
Department of Electrical and Information Engineering (DIEI) and Center of Excellence in Research DEWS, University of L'Aquila, Poggio di Roio L'Aquila, Italy;Department of Electrical and Information Engineering (DIEI) and Center of Excellence in Research DEWS, University of L'Aquila, Poggio di Roio L'Aquila, Italy;THALES ITALIA S.p.A.--Communications Division, Via E.Mattei, Chieti Scalo (CH), Italy;THALES ITALIA S.p.A.--Communications Division, Via E.Mattei, Chieti Scalo (CH), Italy;Department of Electrical and Information Engineering (DIEI) and Center of Excellence in Research DEWS, University of L'Aquila, Poggio di Roio L'Aquila, Italy
Venue:
Mobile Networks and Applications
Year:
2006

Citing 2
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The ultra-wide bandwidth indoor channel: from statistical model to simulations

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Abstract

This paper proposes an investigation of the propagation behaviour for Ultra-Wide Bandwidth (UWB) signals in outdoor environments. Specifically, we first report on the results of an extensive measurement campaign carried out in three selected scenarios, namely "forest", "hilly" and "suburban" environments. Then, we present the statistical model derived through the post-processing of collected samples by the CLEAN algorithm. While an extensive collection of results is provided in the paper, the main achievements can be summarized as follows: (i) the path-loss exponent varies from 2 to 3.5 and depends on the reference scenario and on the height of transmission and reception equipments with respect to the ground floor, (ii) the local mean of the received power experiences a Log-Normal shadowing with a standard deviation that may depend on the azimuth position, (iii) the statistics of the first received echo in the small-scale analysis also well fit a Log-Normal distribution; (iv) the delay spread in the small-scale multipath scenario turns out to be quite small (i.e. roughly 10 ns in the forest scenario and less than 32 ns in the sub-urban scenario).