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Experimental characterization of non-stationary V2I radio channel in tunnels

Abstract : The fading process in vehicular communications is inherently non-stationary. In this paper, vehicle-to-infrastructure (V2I) radio channel measurements are performed inside a tunnel for low and medium traffic conditions to estimate the stationarity time, in addition to the time-varying RMS delay and Doppler spreads. Furthermore, we show the good fit of the spreads to a lognormal distribution, as well as for the Rician K-factor of the fading amplitude. From our analysis we conclude that the traffic density has an impact on the large-scale parameters as it increases delay and Doppler spreads, while reducing the correlation between them as well as the average K-factor. Larger traffic densities may be required to impact the stationarity time.
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Submitted on : Tuesday, September 14, 2021 - 11:15:14 AM
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Marwan Yusuf, Emmeric Tanghe, Luc Martens, Wout Joseph, Frederic Challita, et al.. Experimental characterization of non-stationary V2I radio channel in tunnels. 2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring), May 2020, Antwerp, Belgium. paper 1245122, 5 p., ⟨10.1109/VTC2020-Spring48590.2020.9129388⟩. ⟨hal-03343525⟩



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