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Author(s): Carlos Rodríguez Sánchez & Juan Moreno García-Loygorri

Thank you to Metro Madrid for sharing this insightful article with us. “The key point of this paper is to discuss the feasibility of carrying CBTC data over an LTE network.”

For Eurotransport, Metro de Madrid colleagues Carlos Rodríguez Sánchez and Juan Moreno García-Loygorri, take a look at the feasibility of carrying Communications Based Train Control (CBTC) data over a Long-Term Evolution (LTE) network. CBTC data is mostly critical, but most of the services carried over mobile networks, like LTE, are absolutely not critical. This article1 provides an overview of the challenges that imply the CBTC communications subsystem, and the requirements for the mobile network, plus a description of LTE technology and railway-related aspects.