3 Definitions, symbols and abbreviations

37.571-53GPPPart 5: Test scenarios and assistance dataRelease 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 36.101 [2], TS 36.104 [18] 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].

Horizontal Dilution Of Precision (HDOP): measure of position determination accuracy that is a function of the geometrical layout of the satellites used for the fix, relative to the receiver antenna

3.2 Symbols

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

B1I BeiDou B1I navigation signal with carrier frequency of 1561.098 MHz.

B1C BeiDou B1C navigation signal with carrier frequency of 1575.420 MHz.

E1 Galileo E1 navigation signal with carrier frequency of 1575.420 MHz.

E5 Galileo E5 navigation signal with carrier frequency of 1191.795 MHz.

E6 Galileo E6 navigation signal with carrier frequency of 1278.750 MHz.

G1 GLONASS navigation signal in the L1 sub-bands with carrier frequencies 1602 MHz ± k × 562.5 kHz.

G2 GLONASS navigation signal in the L2 sub-bands with carrier frequencies 1246 MHz ± k × 437.5 kHz.

k GLONASS channel number, k = -7…13.

L1 C/A GPS or QZSS L1 navigation signal carrying the Coarse/Acquisition code with carrier frequency of 1575.420 MHz.

L1C GPS or QZSS L1 Civil navigation signal with carrier frequency of 1575.420 MHz.

L2C GPS or QZSS L2 Civil navigation signal with carrier frequency of 1227.600 MHz.

L5 GPS or QZSS L5 navigation signal with carrier frequency of 1176.450 MHz.

3.3 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].

A-Galileo Assisted-Galileo

A-GANSS Assisted- Galileo and Additional Navigation Satellite Systems

A-GLONASS Assisted- GLObal’naya NAvigatsionnaya Sputnikovaya Sistema (English: Global Navigation Satellite System)

A-GNSS Assisted Global Navigation Satellite System

A-GPS Assisted – Global Positioning System

AP Access Point

AWGN Additive White Gaussian Noise

BDS BeiDou Navigation Satellite System

C/A Coarse/Acquisition

DUT Device Under Test

ECEF Earth Centred, Earth Fixed

ENB Evolved Node B

EN-DC E-UTRA-NR Dual Connectivity

E-UTRA Evolved UMTS Terrestrial Radio Access

E-UTRAN Evolved UMTS Terrestrial Radio Access Network

FDD Frequency Division Duplex

FFS For further study

GANSS Galileo and Additional Navigation Satellite Systems

GEO Geostationary Earth Orbit

GLONASS GLObal’naya NAvigatsionnaya Sputnikovaya Sistema (English: Global Navigation Satellite System)

GNSS Global Navigation Satellite System

GPS Global Positioning System

GSS GNSS System Simulator

HDOP Horizontal Dilution Of Precision

ICD Interface Control Document

ICS Implementation Conformance Statement

IS Interface Specification

LOS Line Of Sight

LPP LTE Positioning Protocol

MBS Metropolitan Beacon System

NE-DC NR-E-UTRA Dual Connectivity

NGEN-DC NG-RAN E-UTRA-NR Dual Connectivity

NG-RAN NextGen Radio Access Network

NR New Radio

NR-DC NR-NR Dual Connectivity

PPM Parts per million

PRS Positioning Reference Signal

QZSS Quasi-Zenith Satellite System

RRC Radio Resource Control

SBAS Space Based Augmentation System

SCC Secondary Component Carrier

SFN System Frame Number

SS System simulator

SV Space Vehicle

SV ID Space Vehicle Identification

TDD Time Division Duplex

TOD Time Of Day

TOW Time of Week TTFF Time To First Fix

UE User Equipment

UTRA Universal Terrestrial Radio Access

UTRAN Universal Terrestrial Radio Access Network

WAAS Wide Area Augmentation System

WGS‑84 World Geodetic System 1984

WLAN Wireless Local Area Network