5G-VICTORI: Critical services for railway systems

The Rail Critical Services at the 5G-VICTORI facility in Berlin comprise five representative types of services.

Four of them are related to communications between the Office and onboard a train, and the last one is offered as a wayside service. These services are:

• Onboard services:
  • Rail signaling.
  • CCTV monitoring.
  • Telephony (Cab Voice and Emergency Calls).
  • Sensor data.
• Wayside services:
  • Wayside Point-machine Object controller signalling.

• Rail Signalling, Critical Telephony and Sensor Data Transmission services will be provided as part of the Rail Critical Services taking place at the Berlin Central Station between the Berlin Office and onboard the train.
• Rail Signalling is emulated using a traffic generator, which can be configured to send traffic in both directions. Rail Critical Telephony and Sensor Data transmission are performed live using a set of on-train, mobile and fixed terminals running rail applications (voice, emergency call, data app and sensor app), which communicate with each other through rail critical, performance or business data sessions.
• CCTV is streamed from the train to the office using a CCTV network camera. The camera is mounted in front of the train, and images are monitored from the Berlin office using a web browser that accesses the camera. The camera is not fitted with an SD memory card, as no recordings are planned.
• For the Point-machine object controller signalling UC, the Rail Signaling traffic is extracted from a productive interlocking system. The purpose of this UC is to ensure that specific timing KPIs of the communication can be met and that different types of traffic can happen at the same time without influencing the signalling traffic.

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