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The Ultra-Wide Bandwidth Indoor Channel - From Statistical Model to Simulations

  • D Cassioli
  • M Z Win
  • Andreas Molisch
Publiceringsår: 2002
Språk: Engelska
Sidor: 1247-1257
Publikation/Tidskrift/Serie: IEEE Journal on Selected Areas in Communications
Volym: 20
Nummer: 6
Dokumenttyp: Artikel i tidskrift
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.


We establish a statistical model for the ultra-wide bandwidth (UWB) indoor channel based on an extensive measurement campaign in a typical modern office building with 2-ns delay resolution. The approach is based on the investigation of the statistical properties of the multipath profiles measured in different rooms over a finely spaced measurement grid. The analysis leads to the formulation of a stochastic tapped-delay-line (STDL) model of the UWB indoor channel. The averaged power delay profile can be well-modeled by a single exponential decay with a statistically distributed decay constant. The small-scale statistics of path energy gains follow Gamma distributions whose parameters m are truncated Gaussian variables with mean values and standard deviations decreasing with delay. The total received energy experiences a lognormal shadowing around the mean energy given by the path-loss power law. We also find that the correlation between multipath components is negligible. Finally, we propose an implementation of the STDL model and give a comparison between the experimental data and the simulation results.


  • Electrical Engineering, Electronic Engineering, Information Engineering


  • ISSN: 1558-0008

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