Eurobalise-Train communication modelling to assess interferences in railway control signalling systems

Lara Rodriguez, Christian Pinedo, Igor Lopez, Marina Aguado, Jasone Astorga, Marivi Higuero, Iñigo Adin, Guillermo Bistué, Jaizki Mendizabal


The evolution of the railway sector depends, to a great extent, on the deployment of advanced railway signalling systems. These signalling systems are based on communication architectures that must cope with complex electromagnetical environments. This paper is outlined in the context of developing the necessary tools to allow the quick deployment of these signalling systems by contributing to an easier analysis of their behaviour under the effect of electromagnetical interferences. Specifically, this paper presents the modelling of the Eurobalise-train communication flow in a general purpose simulation tool. It is critical to guarantee this communication link since any lack of communication may lead to a stop of the train and availability problems. In order to model precisely this communication link we used real measurements done in a laboratory equipped with elements defined in the suitable subsets. Through the simulation study carried out, we obtained performance indicators of the physical layer such as the received power, SNR and BER. The modelling presented in this paper is a required step to be able to provide quality of service indicators related to perturbed scenarios.


balise, BTM, ERTMS, Eurobalise, interference, model, simulation

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