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In this paper, the propagation for 3GPP high speed train (HST) scenarios is studied both at 30 GHz and 3.5 GHz. Urban, cutting and viaduct scenarios are modeled and simulated by using 3GPP deployment configurations. The optimum direction of beam is suggested in order to achieve the best coverage. Propagation at 30 GHz and 3.5 GHz are compared in terms of received power and Doppler shift. The wideband...
Nowadays, rail traffic is expected to evolve into a new era of “smart rail mobility”, which requires a seamless high-data rate wireless connectivity with up to dozens of GHz bandwidth. Such a huge bandwidth requirement motivates the exploration of the underutilized millimeter (mm) wave and Terahertz (THz) bands. In this paper, six scenario modules for mm wave and THz train-to-infrastructure channels...
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