During the first phase of the ERSAT GGC Project, the new Enhanced Functional ERTMS Architecture capable of using GNSS and Public Radio TLC Technologies, defined during the previous European Funded Projects, has been consolidated and finalized in the public deliverable “Enhanced Functional ERTMS Architecture Capable of using GNSS and Public Radio TLC Technologies”. Apart the new architecture, the deliverable also contains the definition of the new ERTMS Operational Scenarios that define the procedures that will make it possible to implement the architecture to the actual operative systems. This, together with the first test suite that has been developed in the public deliverable “Functional and Not Functional Test Specification”, and that will be used for the verification of the systems implementing the new solution, mark important steps from the definition of the high-level architecture to its application to the operational service.
The new architecture has also been object of both a qualitative and quantitative Hazard Analyses (public deliverables “Safety Analysis of ERSAT ERTMS Application over GNSS” and “GNSS Quantitative Study for ERSAT GGC Project”), which verified the safety of the new solution for its application to the target systems.
Finally, a process has been defined that attempting to assess the quality of the GNSS signal along the railway lines (both new and existing lines), in order to help the designers of the new systems to place the Virtual Balises, which are the core element of the architecture and will replace the current ERTMS physical balises. In the second phase of the project, the development of the procedure was completed, together with its implementation, which will mark a further step towards the application of the new Architecture to the operational service.
During this phase of the project the toolset was as well integrated in the various partners laboratories and validated. Two complete track surveys were carried out, both in Italy and in Spain (see Figure 2,3), and the acquired data was elaborated through the toolset, generating the classification of the lines in terms of expected GNSS signal quality and expected hazard causes.
The toolset and its specification, together with the Enhanced Functional Architecture and the related Hazard Analysis, were object of an independent assessment performed by the Notified bodies.
The website already includes all the issued deliverables considered as public.
