Abstract
In order to satisfy the increasing demand for higher transmission capacity of “smart subway”, millimeter wave (mmWave) plays a significant role to provide high-data rate communication. In this paper, a three-dimensional (3D) model of subway station scenario based on the ray-tracing (RT) technology is exployed to study the channel characteristics at 5G mmWave band. Key channel parameters such as path loss, root mean square (RMS) delay spread, Ricean K-factor, angular spread, etc., are investigated. Then, the main factors affecting channel characteristics, including antenna position, antenna array, array element spacing, etc., were analyzed to provide some recommendations for the design of 5G communication network in urban rail traffic station.
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