For the purposes of the present document, the terms given in
TR 21.905 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.
For the purposes of the present document, the abbreviations given in
TR 21.905 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.
5GC
5G Core Network
5QI
5G QoS Identifier
AC
Application Client
ACR
Application Context Relocation
AF
Application Function
AMF
Access & Mobility Management Function
ARP
Allocation and Retention Priority
AS
Application Server
CN
Core Network
DL
Down-Link
DNAI
Data Network Access Identifier
EAS
Edge Application Server
ECSP
Edge Computing Service Provider
EDGEAPP
Edge Application
EDN
Edge Data Network
EEC
Edge Enabler Client
EES
Edge Enabler Server
eNB
Evolved Node B
EPC
Evolved Packet Core
FQDN
Fully Qualified Domain Name
GBR
Guaranteed Bit Rate
GEO
Geostationary Earth Orbit
gNB
5G Node B
GW
Gateway
ID
Identity
IMS
IP Multimedia Subsystem
IoT
Internet of Things
IP
Internet Protocol
ISL
Inter-Satellite Link
KPI
Key Performance Indicators
LEO
Low-Earth Orbit
MC
Mission Critical
MCPTT
Mission Critical Push-to-Talk
MEO
Medium Earth Orbit
MME
Mobility Management Entity
NEF
Network Exposure Function
NGSO
Non-Geostationary Satellite Orbit
NTN
Non-Terrestrial Network
NR
New Radio
PCF
Policy Control Function
PGW
Packet Gateway
PGW-U
Packet Gateway Userplane
QoS
Quality of Service
RAN
Radio Access Network
RAT
Radio Access Type
S&F
Store and Forward
SCAI
Satellite Coverage Availability Information
SCEF
Service Capability Exposure Function
SEAL
Service Enabler Architecture Layer
SGP4
Simplified General Perturbation 4
SIB
System Information Block
SMF
Session Management Function
SMS
Short Message Service
TLE
Two Line Elements
TN
Terrestrial Network
UAV
Uncrewed Aerial Vehicle
UE
User Equipment
UL
Up-Link
UPF
User Plane Function
URI
Uniform Resource Identifier
V2X
Vehicle-to-Everything
VAL
Vertical Application Layer