3 Definitions and Abbreviations
23.2733GPP5G System (5GS) Location Services (LCS)Release 18Stage 2TS
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].
5G enhanced positioning area: see TS 22.261 [3].
5G positioning service area: see TS 22.261 [3].
LCS Client: entity that interacts with GMLC for the purpose of obtaining location information for one or more UEs. The LCS Client may reside in the UE.
For the purposes of the present document, the following terms and definitions given in TS 23.271 [4] apply:
Call Related: see TS 23.271 [4].
Codeword: see TS 23.271 [4].
Current Location: see TS 23.271 [4].
Deferred location request: see TS 23.271 [4].
DL Positioning: positioning of a target UE in which the target UE obtains downlink measurements for a 3GPP RAT.
Immediate location request: see TS 23.271 [4].
Last Known Location: see TS 23.271 [4].
LCS (LoCation Services): see TS 23.271 [4].
Local Co-ordinates: see TS 23.032 [8].
Local Location: location determined by Local Co-ordinate(s).
Location Estimate: see TS 23.271 [4].
Mobile Base Station Relay: see TS 23.501 [18].
Pseudonym: see TS 23.271 [4].
Pseudonym mediation device: Functionality that verifies pseudonyms to verinyms.
RAT Independent Positioning: positioning of a target UE in which the target UE obtains measurements not related to a 3GPP RAT.
Requestor: see TS 23.271 [4].
Requestor Identity: see TS 23.271 [4].
Response Method: for LCS Client using the OMA MLP protocol. Detail see TS 23.271 [4].
Scheduled Location Time: a future global time (e.g. UTC) at which a UE is to be located.
Service Type: see TS 23.271 [4].
Target UE: see TS 23.271 [4].
UL Positioning: positioning of a target UE in which NG-RAN obtains uplink measurements of the target UE for a 3GPP RAT.
UL+DL Positioning: positioning of a target UE using both DL Positioning and UL Positioning.
Velocity: see TS 23.271 [4].
Verinym: see TS 23.271 [4].
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].
APN Access Point Name
APN-NI APN Network Identifier
EDT Early Data Transmission
E-SMLC Evolved Serving Mobile Location Centre
GMLC Gateway Mobile Location Centre
HGMLC Home GMLC
LCS LoCation Services
LDR Location Deferred Request
LIR Location Immediate Request
LMF Location Management Function
LPI LCS Privacy Indicator
LRF Location Retrieval Function
MBSR Mobile Base Station Relay
MO-LR Mobile Originated Location Request
MT-LR Mobile Terminated Location Request
NI-LR Network Induced Location Request
PMD Pseudonym mediation device functionality
POI Privacy Override Indicator
SDT Small Data Transmission
TNAN Trusted Non-3GPP Access Network
TNAP Trusted Non-3GPP Access Point
TWAP Trusted WLAN Access Point
VGMLC Visited GMLC