3 Definitions, symbols and abbreviations

29.5553GPP5G Direct Discovery Name Management Services5G SystemRelease 18Stage 3TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in 3GPP TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in 3GPP TR 21.905 [1].

5G DDNMF: The 5G DDNMF is the logical function handling network related actions required for dynamic ProSe Direct Discovery. The 5G DDNMF in the HPLMN may interact with the 5G DDNMF in a VPLMN or Local PLMN in order to manage the ProSe Direct Discovery service.

ProSe Direct Discovery: A procedure employed by a ProSe-enabled UE to discover other ProSe-enabled UEs in its vicinity based on direct radio transmissions between the two UEs with NR technology.

3.2 Symbols

For the purposes of the present document, the following symbols apply:

<symbol> <Explanation>

3.3 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in 3GPP TR 21.905 [1].

5G DDNMF 5G Direct Discovery Name Management Function

5G ProSe 5G Proximity-based Services

RPAUID Restricted ProSe Application User ID

PDUID ProSe Discovery UE ID