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J. Blumenstein, A. Prokes, J. Vychodil, T. Mikulasek, J. Milos, E. Zöchmann, H. Groll, C. Mecklenbräuker, M. Hofer, D. Löschenbrand, L. Bernadó, T. Zemen, S. Sangodoyin, A. Molisch:
"Measured High-Resolution Power-Delay Profiles of Nonstationary Vehicular Millimeter Wave Channels";
Talk: IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Bologna; 09-09-2018 - 09-12-2018; in: "Proceedings of the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications", (2018), 1 - 5.

This paper reports on a power-delay profile measurement campaign emulating a mobile vehicle-to-infrastructure urban-highway environment. The measured location is in the city of Brno, Czech Republic. Utilizing a correlative 50 GS/s time-domain channel sounder
with a center frequency of 59.6GHz and 8 GHz bandwidth and with open-ended WR15 waveguide antennas, we characterize the representative millimeter wave radio channels in terms of the RMS delay spread and its variability caused by mobile scatterers (i.e., vehicles).
The RMS delay spread exhibits notable heteroscedasticity as its standard deviation can decrease by 40%. The measured high resolution power-delay profiles exhibit clustering behavior, where a typical number of reflected multipath components is four to five.

https://publik.tuwien.ac.at/files/publik_271167.pdf