RF Communications-Based Train Control (RF-CBTC) Showing Propagation Paths in a Train Station

A passenger train located in a station is connected to an access point (AP) mounted on the roof of the station. RF propagation paths computed using the shooting-and-bouncing ray technique are shown. These ray paths arrive at a receiver (Rx) antenna after they reflect and diffract from the environment, where each reflection surface attenuates the signal uniquely due to varied conductivity and permittivity material properties. Wireless InSite’s built-in Communication Systems Analysis tool provides RSSI and SINR for various IEEE standards from 100 MHz to 100 GHz.

  • Model RF-CBTC channel and effects of multipath inside tunnels
  • 3D deterministic simulation accounts for position and impact of surrounding clutter
  • Signals are predicted using SBR techniques including propagation inside train car
  • Account for blockage from passengers and interference from access points
  • Include effects of arriving or departing train from station on RSSI for WiFi, LTE and 5G NR

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