Abstract
A 2-D geometrical propagation model for short-range device-to-device desktop communication channels at sub-terahertz (sub-THz) frequencies is proposed. Based on the geometrical model, a parametric reference model for short-range sub-THz multipath fading channels is developed. From the reference model, the corresponding frequency correlation function and the power delay profile (PDP) are derived and compared with the measured data. The results show good agreement between the measured and theoretical PDPs. Finally, a new sum-of-sinusoids-based simulation model for wideband sub-THz channels is proposed. The statistics of the reference model are verified by simulation. The results show that the simulation model is a good approximation of the reference model.
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