3 Definitions and abbreviations
37.571-23GPPPart 2: Protocol conformanceRelease 16TSUser Equipment (UE) conformance specification for UE positioning
3.1 Definitions
For the purposes of the present document, the terms and definitions given in TR 21.905 [1], TS 23.271 [2],
TS 36.305 [3], TS 36.355 [4] , TS 38.305 [31] , TS 37.355 [32] apply.
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].
BDS BeiDou Navigation Satellite System
DL Downlink
DL-AoD Downlink Angle-of-Departure
DL-PRS Downlink Positioning Reference Signal
DL-TDOA Downlink Time Difference Of Arrival
LCS Location Services
LPP LTE Positioning Protocol
MBS Metropolitan Beacon System
MO-LR Mobile Originated Location Request
Multi-RTT Multi-Round Trip Time
MT-LR Mobile Terminated Location Request
NAS Non-Access-Stratum
NI-LR Network Induced Location Request
NR New Radio
NR E-CID NR Enhanced Cell ID (positioning method)
OTA Over The Air
TBS Terrestrial Beacon System
UL Uplink
WLAN Wireless Local Area Network
UL-SRS Uplink Sounding Reference Signal