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