3 Definitions and abbreviations
25.3053GPPRelease 17Stage 2 functional specification of User Equipment (UE) positioning in UTRANTS
3.1 Definitions
For the purposes of the present document, the terms and definitions given in [7] and some of the terms and definitions in annex A apply.
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply.
3G-MSC 3rd Generation MSC
3G-SGSN 3rd Generation SGSN
A-GNSS Assisted Global Navigation Satellite System
A-GPS Assisted Global Positioning Systems
ARIB Association of Radio Industries and Business
BDS BeiDou Navigation Satellite System
CAMEL Customised Application For Mobile Network Enhanced Logic
CN Core Network
CRNC Controlling RNC
DGNSS Differential Global Navigation Satellite System
DGPS Differential Global Positioning Systems
DL Downlink
DRNC Drift RNC
EGNOS European Geostationary Navigation Overlay Service
E-OTD Enhanced Observed Time Difference
GAGAN GPS Aided Geo Augmented Navigation
GDOP Geometric Dilution of Precision
GLONASS GLObal’naya NAvigatsionnaya Sputnikovaya Sistema (Engl.: Global Navigation Satellite System)
GMLC Gateway MLC
GNSS Global Navigation Satellite System
GPRS General Packet Radio System
GPS Global Positioning System
HLR Home Location Register
HOW HandOver Word
IM Integrity Monitor
IPDL Idle Period Downlink
LBS Location Based Services
LCCF Location Client Control Function
LCF Location Client Function
LCS LoCation Services
LIRF Location Information Relay Function
LMU Location Measurement Unit
LSADF Location System Assistance Data Function
LSCF Location System Control Function
LSCFS Location System Control Function in SAS
LSOF Location System Operation Function
MBS Metropolitan Beacon System
MLC Mobile Location Centre
MMS Multimedia Messaging Service
MSAS Multi-functional Satellite Augmentation System
MSC Mobile services Switching Centre
NAS Non Access Stratum
OTDOA Observed Time Difference Of Arrival
PCAP Positioning Calculation Application Part
PCF Position Calculation Function
PLMN Public Land Mobile Network
PRC Pseudo-Range Correction
PRCF Positioning Radio Co-ordination Function
PRComF Positioning Radio Communication Function
PRRC Pseudo-Range Rate Correction
PRRM Positioning Radio Resource Management
PSMF Positioning Signal Measurement Function
QoS Quality of Service
QZSS Quasi-Zenith Satellite System
RAN Radio Access Network
RANAP Radio Access Network Application Part
RNC Radio Network Controller
RRM Radio Resource Management
RTD Real Time Difference
RTT Round Trip Time
SAI Service Area Identifier
SAS Stand-Alone SMLC
SBAS Satellite Based Augmentation System
SGSN Serving GPRS Support Node
SIM Subscriber Identity Module
SMS Short Message Service
SRNC Serving RNC
SSDT Site Selection Diversity Transmit
TBS Terrestrial Beacon System
TOA Time Of Arrival
TOW Time Of Week
U-.…. UMTS-(LCS functional block)
U-LCF internal UTRAN Location Client Function
U-LSCF UTRAN Location System Control Function
U-LSOF UTRAN Location System Operations Function
U-LIRF UTRAN Location Information Relay Function
U-LSCFS UTRAN Location System Control Function in SAS
U-LSADF UTRAN Location System Assistance Data Function
U-PRCF UTRAN Position Radio Co-ordination Function
U-PCF UTRAN Position Calculation Function
U-PSMF UTRAN Position Signal Measurement Function
U-PRRM UTRAN Position Radio Resource Management
U-PRComF UTRAN Position Related Communication Function
UDRE User Differential Range Error
UE User Equipment
UL Uplink
UMTS Universal Mobile Telecommunication System
USIM User Service Identity Module
UTC Universal Time Coordinates
U-TDOA Uplink – Time Difference Of Arrival
UTRAN Universal Terrestrial Radio Access Network
WAAS Wide Area Augmentation System
WCDMA Wideband Code Division Multiple Access
WLAN Wireless Local Area Network