Continuous train-to-ground connectivity for CBTC

Maintain reliable communication between trains and trackside infrastructure as vehicles move through the network.

Westermo train to ground solution

CBTC / CCTV train-to-ground communication

Westermo's train-to-ground solution supports CBTC and multimedia applications with high-availability redundant transmission and continuous links at vehicle speeds up to 200 km/h.

  • Scalable L2/L3 support
  • Support for narrowband and Urban Rail ITS
  • Mission-critical performance and cybersecurity

Continuous connectivity on the move

Signal- and distance-based handover helps maintain communication between the train and operating centre as vehicles move between access points, while redundant links provide fast failover and backup link recovery.

  • <500 ms maximum timeout for backup link/failover
  • <0.5% typical packet loss in suitable installations
  • Active-active and active-passive redundancy supported simultaneously

Prioritise critical traffic

A single train-to-ground radio link can carry control, video, passenger WLAN and other data while keeping applications separated through networks and VLANs. QoS prioritisation ensures critical automation data takes priority over less time-sensitive traffic.

Prioritise critical traffic

Manage interference along the track

Different sections of a railway can face different sources of radio interference. Multi-frequency operation allows frequencies to be planned along the track, while neighbouring access points can operate simultaneously without interfering with each other.

Applications

Westermo fournit des produits et des solutions pour la plupart des applications de mise en réseau dans l'industrie ferroviaire. Notre vaste gamme de produits et notre connaissance approfondie des applications ferroviaires nous permettent de proposer la meilleure solution pour vos besoins.

Mark Gibbs

Global Market Director, Train Networks

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