Millimeter-Wave Channel Characteristics for V2V Communications in the Garage Entrance

To design fifth-generation (5G) millimeter-wave (mm-wave) vehicle-to-vehicle (V2V) communication systems for the future intelligent transportation system (ITS), the knowledge of channel characteristics in various vehicular communication environments is essential. This paper present a channel measurement in a common scene, a typical underground garage entrance at 28 GHz, and analyze the channel characteristics, including path loss, shadow fading, and root mean square (RMS) delay spread (DS). Statistical results of these channel characteristics are presented. We compare the channel characteristics based on our measurement with those of the existing results. Furthermore, we investigate the change trend of the RMS DS along the garage entrance, and find that the special structure of the garage entrance has a apparent effect on the RMS DS. These results are helpful to design the physical layer for the future V2V communication systems.

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