3 Definitions and abbreviations

29.5183GPP5G SystemAccess and Mobility Management ServicesRelease 18Stage 3TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in 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 TR 21.905 [1].

example: text used to clarify abstract rules by applying them literally.

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in 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 TR 21.905 [1].

5GC 5G Core Network

5GS 5G System

5G-AN 5G Access Network

5G-GUTI 5G Globally Unique Temporary Identifier

5QI 5G QoS Identifier

AMF Access and Mobility Management Function

ASTI Access Stratum TIme

DAPS Dual Active Protocol Stacks

DCCF Data Collection Coordination Function

EBI EPS Bearer Identity

GAD Universal Geographical Area Description

GPSI Generic Public Subscription Identifier

GUAMI Globally Unique AMF Identifier

JSON JavaScript Object Notation

LADN Local Area Data Network

LDR Location Deferred Request

LMF Location Management Function

MA Multi-Access

MBS Multicast/Broadcast Service

MB-SMF Multicast/Broadcast Session Management Function

MM Mobility Management

N3IWF Non-3GPP InterWorking Function

NEF Network Exposure Function

NR New Radio

NRF Network Repository Function

NRPPa NR Positioning Protocol A

NSI ID Network Slice Instance Identifier

NSSAI Network Slice Selection Assistance Information

NSSAA Network Slice-Specific Authentication and Authorization

NWDAF Network Data Analytics Function

PCF Policy Control Function

PEI Permanent Equipment Identifier

RAT Radio Access Type

RFSP RAT/Frequency Selection Priority

SARI Service Area Restriction Information

SBI Service Based Interface

SM Session Management

SMF Session Management Function

SMSF Short Message Service Function

S-NSSAI Single Network Slice Selection Assistance Information

SUCI Subscription Concealed Identifier

SUPI Subscription Permanent Identifier

TA Tracking Area

TAI Tracking Area Identity

TNAP Trusted Non-3GPP Access Point

TWAP Trusted WLAN Access Point

UDM Unified Data Management

UDSF Unstructured Data Storage Function