What are the mission-critical essentials for a backbone network? Therefore, in addition to proper radio planning, proper backbone design and engineering are also essential for gaining the full benefits of 5G. This allows the backbone to transport all application data to their intended recipients (human, machines or servers).Īlthough 5G is a wireless technology that can connect wireless computers such as the onboard computer (or European Vital Computer, in ERTMS terms) to base stations, it still requires a “wired” transport connection to the 5G core system. As the foundational part of that infrastructure, backbone communications networks interconnect with various network domains, such as the train-to-ground network, station network and data centre network. ![]() What is a backbone communication network and why is it essential for 5G in rail?Ĭommunication infrastructure is the digital foundation that interconnects every component of a railway system. Furthermore, by leveraging its 5G slicing capabilities, it can facilitate other digital innovations, including predictive maintenance, smart stations and more personalised passenger services. It also lays the groundwork for future European Train Control System (ETCS) Level 3. This broadband mobile communication system for railways relies on open 3GPP-based 5G standards, transmits at a dedicated spectrum, and maintains a closed, private network – bringing resilient and secure train-to-ground connections to the control room for more efficient train control and traffic management. The Future Railway Mobile Communication System, or FRMCS, is a key enabler of ATO and digital signalling, and it’s a game changer for railways planning to replace existing GSM-R systems. ![]() These digital systems allow drivers to control trains and monitor their location and status so that railways can schedule more trains and run them at higher speeds, without jeopardising safety. Using digital in-cab signalling, it can help railways expand high-speed rail services – as well as passenger and payload capacities – through a combination of trackside equipment, onboard computers, and communication networks. Why is FRMCS so important for the future of digital railways?Īs the railway industry strives to meet rising demand for clean transportation, automatic train operation (ATO) is crucial.
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