This work aims at characterizing the second order statistics of indoor Ultra-Wideband (UWB) channels using channel sounding techniques. We present measurement results for different scenarios conducted in a laboratory setting at Institut Eurecom. These are based on a eigen decomposition of the channel autocovariance matrix, which allows for the analysis of the growth in the number of significant degrees of freedom of the channel process as a function of the signalling bandwidth as well as the statistical correlation between different propagation paths. We show empirical eigenvalue distributions as a function of the signal bandwidth for both line-of-sight and non line-of-sight situations. Furthermore, we give examples where paths from different propagation clusters (possibly arising from reflection or diffraction) show strong statistical dependence.
Subspace analysis of indoor UWB channels
EURASIP Journal on Advances in Signal Processing, special issue on UWB-State of the art, Volume 2005, Issue 3
Type:
Journal
Date:
2005-03-01
Department:
Communication systems
Eurecom Ref:
1486
Copyright:
© Hindawi. Personal use of this material is permitted. The definitive version of this paper was published in EURASIP Journal on Advances in Signal Processing, special issue on UWB-State of the art, Volume 2005, Issue 3 and is available at : http://dx.doi.org/10.1155/ASP.2005.28
See also:
PERMALINK : https://www.eurecom.fr/publication/1486