ETSI TS 101 376-1-2

The present document gives a general introduction to the document structure and organisation the GMR-1 family of GEO-Mobile Radio interface (GMR) specifications.

The present document is part of the GMR-1 Release 3 specifications. It introduces the Release 3 specifications and also reproduces the introductions for the earlier Release 1 and Release 2 specifications.

Within each release, the GMR-1 specifications are organized into document series that correspond to the organization of the ETSI GSM or 3GPP technical specifications. Clause 4 of the present document defines the contents of each GMR-1 series and shows how the individual GMR-1 specifications relate to their GSM or 3GPP counterparts. Clause 5 of the present document defines the relationship between GMR-1 terminology and the GSM or 3GPP terminology.