Abstract
To realize reliable and stable millimeter‐wave (mmWave) vehicular wireless communication, the research of vehicular channel characteristics in the dense urban environment is becoming increasingly important. A comprehensive research on the channel characteristics for 30 GHz vehicular communication in the Beijing Central Business District (CBD) scenario is conducted in this paper. The self‐developed high‐performance ray‐tracing (RT) simulator is employed to support intensive simulations. Based on simulation results, the effects of multiantenna and beam switching on the key channel parameters are analyzed, as well as the impact of different traffic flows. The results can provide theoretical and data support for the evaluation of vehicular channel characteristics and will help for the design of the vehicular communication system enabling future intelligent transportation.
Highlights
With the rapid social development and progress, there are more and more vehicles all around the world [1]
This paper makes the following main contribution: (i) The mmWave vehicular channel characteristics are analyzed with consideration of the impact of overtaking and simulation configurations, including different antenna directions and various traffic flows
It is noticeable that the values of ASA and ASD are greater than ESA and ESD for all the three beams, which implies that the multipaths arrive from the horizontal direction in most of the cases
Summary
With the rapid social development and progress, there are more and more vehicles all around the world [1]. ITS is a frontier project in the field of transportation research which can further improve the effectiveness of road traffic and the safety of vehicle driving, providing users with a more safe and reliable travel environment [6]. [30] presented many kinds of methods for direct optimization with regard to point-to-point ionospheric RT Users can generate their own channel according to their own needs by reconstructing the 3D model of the scenario and setting up simulation parameters (frequency, antenna pattern, etc.) in the CloudRT. (i) The mmWave vehicular channel characteristics are analyzed with consideration of the impact of overtaking and simulation configurations, including different antenna directions and various traffic flows.
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