Interoperability of eCall and ERA-GLONASS in-vehicle emergency call systems

The objective of the study is to analyse the interoperability between pan-European eCall and Russian ERA-GLONASS in-vehicle emergency call systems. The analysis of interoperability between the two systems is based on a definition of interoperability from ITU. Interoperability is analysed on the basis of related system standards. Our results indicate that the core functions of both systems - MSD (minimum set of data) transmission at the start of the call and establishing the related voice connection between vehicle occupants and PSAP (public safety answering point) - will be available in the interworking scenarios analysed in the paper. However, not all features of both systems will be available in use cases with interworking between the systems, such as SMS-based MSD retransmission. Our study indicates that further empirical tests are required to obtain more information on practical interoperability between the systems.