Since 2004, the Department of Mobile Radio Systems has carried out research in the field of information transmission at THz frequencies. Thereby the focus has been on the simulation of the propagation of electromagnetic waves via raytracing and the modelling of the radio channel. Since 2016 the department is owner of the M-sequence UWB mm-Wave Real-Time Channel Sounder that enables cutting-edge measurements in the THz frequency range. The channel sounder was founded by the Deutsche Forschungsgemeinschaft (DFG) and measures the impulse response on the basis of correlation in the frequency range from 5.2 GHz to 13.2 GHz. Frequency extensions also allow measurements in the range from 60.3 GHz to 68.3 GHz as well as from 300.2 to 308.2 GHz. Furthermore real-time measurements with a measurement rate of 17590 impulse responses per second as well as MIMO measurements with up to a 4x4 configuration are possible. The channel sounder has already been used in the EU funded projects iBROW and TERAPOD as well as in a project dealing with smart rail mobility funded by the Alexander-von-Humboldt foundation.
More information and short live-demonstration in the Video down below.
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The stochastic channel generator was developed at the Institute for Communications Technology in 2013. It creates different realisations of a THz radio channel and in this way enables researchers to investigate higher-level simulations of THz communication systems employing realistic channel models. The employed office scenario is described in detail in the article “Stochastic Modeling of THz Indoor Radio Channels” published in the journal “IEEE Transactions on Wireless Communications”. The channel generator can be downloaded for non-commercial research in the download area.