Current GSM-R Version
The GSM-R standard specification is divided in two EIRENE specifications:
- Functional Requirement Specification (FRS): the definition of higher lever functional requirements
- System Requirement Specification (SRS): the definition of the technical solutions supporting the functional requirements
EIRENE defines the “Technical Specification for Interoperability” (TSI) as the set of mandatory specifications to be fulfilled to keep compatibility with other European networks; current TSI are FRS 7 and SRS 15. EIRENE also defines non-mandatory specifications, that are called “Interim version”, which defines extra features that are likely to become mandatory in the next TSIs. Current Interim versions are FRS 7.1 and SRS 15.1. The GSM-R specifications are fairly stable; the latest mandatory upgrade was in 2006. The complete timeline of GSM-R versions is:
- December 2000: FRS 5/SRS 13, first version to be widely installed
- October 2003: FRS 6/SRS 14
- May 2006: FRS 7/SRS 15, current TSI
- June 2010: FRS7.1/SRS 15.1, current Interim version; the main added features over TSI are shunting radio and ETCS data only radio
The current version of GSM-R can run on both R99 and R4 3GPP networks.
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