Acronym
|
Meaning
|
5GC |
5G Core Network |
5G-EIR |
5G Equipment Identity Register |
5QI |
5G QoS Identifier |
AAS BS |
Active Antenna System BS |
ACK |
Acknowledgement |
AF |
Application Function |
AM |
Acknowledged Mode |
AMBR |
Aggregated Maximum Bit Rate |
AMC |
Adaptive Modulation and Coding
|
AMF |
Access and Mobility Management Function |
AP |
Application Protocol |
ARP |
Address Resolution Protocol |
ARQ |
Automatic Repeat request |
AS |
Access Stratum |
ASN.1 |
Abstract Syntax Notation One |
AUSF |
Authentication Service Function |
BA |
Bandwidth Adaptation |
BAP |
Backhaul Adaptation Protocol |
BCH |
Broadcast Channel |
BLER |
Block Error Rate |
BPSK |
Binary Phase Shift Keying |
BSF |
Binding Support Function |
BSR |
Buffer Status Report |
BWP |
Bandwidth part |
CA |
Carrier Aggregation |
CB |
Code block |
CBG |
Code block group |
CCCH |
Common Control Channel |
CCE |
Control channel element |
CE |
Control Element |
CID |
Context Identifier |
CM |
Connection Management |
CMAS |
Commercial Mobile Alert Service |
COT |
Channel Occupancy Time |
CP |
Cyclic prefix |
CP |
Control Plane |
CQI |
Channel quality indicator |
CRC |
Cyclic redundancy check |
CRI |
CSI-RS Resource Indicator |
C-RNTI |
Cell RNTI |
CS |
Configured Scheduling |
CSI |
Channel state information |
CSI-RS |
Channel state information reference signal |
CSI-RSRP |
CSI reference signal received power |
CSI-RSRQ |
CSI reference signal received quality |
CSI-SINR |
CSI signal-to-noise and interference ratio |
CS-RNTI
|
Configured Scheduling RNTI
|
CU |
Centeral Unit |
CW |
Codeword |
DC |
Dual Connectivity
|
DCCH |
Dedicated Control Channel |
DCI |
Downlink control information |
DFT-s-OFDM |
Discrete Fourier Transform-spread-Orthogonal Frequency Division
Multiplexing |
DL |
Downlink |
DL-SCH
|
Downlink Shared Channel
|
DM-RS |
Dedicated demodulation reference signals |
DN |
Data Network |
DNN |
Data Network Name (Same as APN name in LTE) |
DRA |
Diameter Routing Agent |
DRB |
Data Radio Bearer carrying user plane data |
DRX |
Discontinuous Reception |
DU |
Distributed Unit |
EHPLMN |
Equivalent Home Public Land Mobile Network |
EN-DC |
EUTRA-NR Dual Connectivity |
EPC |
Evolved Packet Core |
EPRE |
Energy per resource element |
EPS |
Evolved Packet System |
ETWS |
Earthquake and Tsunami Warning System |
E-UTRA |
Evolved Universal Terrestrial Radio Access |
E-UTRAN |
Evolved Universal Terrestrial Radio Access Network |
F1AP |
F1 Application Protocol |
F1-C |
F1 Control plane interface |
F1-U |
F1 User plane interface |
FDD |
Frequency Division Duplex |
FEC |
Forward Error Correction |
FFS |
For Further Study |
FMC |
First Missing Count |
GERAN |
GSM/EDGE Radio Access Network |
GF |
Grant Free |
GFBR |
Guaranteed Flow Bit Rate |
gNB |
NR Node B |
gNB-CU
|
gNB Central Unit
|
gNB-DU
|
gNB Distributed Unit
|
GNSS |
Global Navigation Satellite System |
GSCN |
Global Synchronization Raster Channel |
GSM |
Global System for Mobile Communications |
GTP-U |
GPRS Tunnelling Protocol |
HARQ |
Hybrid Automatic Repeat Request |
HARQ-ACK |
Hybrid automatic repeat request acknowledgement |
HFN |
Hyper Frame Number |
IAB |
Integrated Access/Backhaul |
IE |
Information element |
IETF |
Internet Engineering Task Force |
IMEI |
International Mobile Equipment Identity |
IMSI |
International Mobile Subscriber Identity |
IP |
Internet Protocol |
kB |
Kilobyte (1000 bytes) |
L1 |
Layer 1 |
L2 |
Layer 2 (data link layer) |
L3 |
Layer 3 (network layer) |
LADN |
Local Area Data Network |
LCG |
Logical Channel Group |
LDPC |
Low Density Parity Check |
MAC |
Medium Access Control |
MAC-I |
Message Authentication Code for Integrity |
MCG |
Master Cell Group |
MCS |
Modulation and coding scheme |
MEC |
Mobile Edge Computing |
MFBR |
Maximum Flow Bit Rate |
MIB |
Master Information Block |
MICO |
Mobile Initiated Connection Only
|
MIMO |
Multiple Input Multiple Output |
MN |
Master Node |
MR-DC
|
Multi-RAT Dual Connectivity
|
N/A |
Not Applicable |
NAS |
Non-Access Stratum |
NCGI |
NR Cell Global Identifier |
NCR |
Neighbour Cell Relation |
NE-DC
|
NR-E-UTRA Dual Connectivity
|
NEF |
Network Exposure Function |
ng-eNB
|
node providing E-UTRA user plane and control plane protocol terminations towards the UE, and connected via the NG interface to the 5GC
|
NGEN-DC
|
NG-RAN E-UTRA-NR Dual Connectivity
|
NG-RAN |
NG Radio Access Network |
NGAP |
NG Application Protocol
|
NR |
NR Radio Access |
NRF |
NF Repository Function |
NSA |
Non StandAlone |
NSSAI |
Network Slice Selection Assistance Information
|
NSSF |
Network Slice Selection Function |
NWDAF |
Network Data Analytics Function |
OAM |
Operation, Administration, Maintenance |
O&M |
Operation and Maintenance |
OFDM |
Orthogonal Frequency Division Multiplexing |
OSI |
Other System Information |
PBCH |
Physical Broadcast Channel |
PCell |
Primary Cell |
PCH |
Paging Channel |
PDCCH |
Physical downlink control channel |
PDCP |
Packet Data Convergence Protocol |
PDSCH |
Physical downlink shared channel |
PRACH |
Physical Random Access Channel
|
PSS |
Primary Synchronisation Signal
|
PUCCH
|
Physical uplink control channel
|
PUSCH
|
Physical uplink shared channel
|
PDU |
Protocol Data Unit |
PHR |
Power Headroom Report |
PLMN |
Public Land Mobile Network |
PMI |
Precoding Matrix Indicator |
PRACH |
Physical random access channel |
PRB |
Physical resource block |
PRG |
Physical resource block group |
PSS |
Primary synchronization signal |
PTAG |
Primary Timing Advance Group |
PTI |
Procedure Transaction Identity
|
PT-RS |
Phase-tracking reference signal |
PUCCH |
Physical uplink control channel |
PUSCH |
Physical uplink shared channel |
PWS |
Public Warning System |
QAM |
Quadrature Amplitude Modulation |
QCL |
Quasi-collocation |
QFI |
QoS Flow ID |
QoS |
Quality of Service |
QPSK |
Quadrature Phase Shift Keying |
RACH |
Random Access Channel
|
RAN |
Radio Access Network |
RAT |
Radio Access Technology |
RB |
Resource block |
RB |
Radio Bearer |
RBG |
Resource block group |
RE |
Resource element |
REG |
Resource element group |
RF |
Radio Frequency |
RI |
Rank indication |
RIV |
Resource indicator value |
RLC |
Radio Link Control |
RMSI |
Remaining Minimum SI(System Information) |
RNA |
RAN-based Notification Area |
RNAU |
RAN-based Notification Area Update |
RNL |
Radio Network Layer |
RNTI |
Radio Network Temporary Identifier |
ROHC |
RObust Header Compression |
RPLMN |
Registered Public Land Mobile Network |
RQA |
Reflective QoS Attribute |
RQoS |
Reflective Quality of Service |
RRC |
Radio Resource Control |
RS |
Reference signal |
RSRP |
Reference signal received power |
RTP |
Real Time Protocol |
SA |
StandAlone |
SAP |
Service Access Point |
SBA |
Srvice Based Architecture |
SCell |
Secondary Cell |
SCEF |
Service Capability Exposure Function |
SCG |
Secondary cell group |
SCH |
Shared Channel |
SCP |
Service Communication Proxy |
SCTP |
Stream Control Transmission Protocol |
SDAP |
Service Data Adaptation Protocol |
SDF |
Service Data Flow |
SDU |
Service Data Unit |
SFN |
System Frame Number |
SI |
System Information |
SIB |
System Information Block |
SM |
Session Management |
SMF |
Session Management Function |
SMSF |
Short Message Service Function |
SMTC |
SS block based RRM measurement timing configuration
|
SN |
Sequence Number |
SN |
Secondary Node |
SNN |
Serving Network Name |
S-NSSAI |
Single NSSAI(Network Slice Selection Assistance Information)
|
SpCell |
Special Cell |
SPS |
Semi-Persistent Scheduling |
SR |
Scheduling request |
SRB |
Signalling Radio Bearer |
SRB |
Signalling Radio Bearer carrying control plane data |
SRS |
Sounding reference signal |
SS |
Synchronisation signal |
SSB |
Synchronization Signal Block
|
SSC |
Session and Service Continuity |
SS-RSRP |
SS reference signal received power |
SS-RSRQ |
SS reference signal received quality |
SSS |
Secondary synchronization signal |
SS-SINR |
SS signal-to-noise and interference ratio |
SST |
Slice/Service Type |
STAG |
Secondary Timing Advance Group |
S-TMSI |
SAE Temporary Mobile Station Identifier |
SUL |
Supplementary Uplink
|
TA |
Timing advance |
TAG |
Timing advance group |
TB |
Transport Block |
TCI |
Transmission Configuration Indicator |
TCP |
Transmission Control Protocol |
TPC |
Transmit Power Control |
TDD |
Time Division Duplex |
TDM |
Time division multiplexing |
TM |
Transparent Mode |
TNL |
Transport Network Layer |
TRP |
Transmission and Reception Point |
TPC-CS-RNTI
|
Transmit Power Control-Configured Scheduling-RNTI
|
TPC-PUCCH-RNTI
|
Transmit Power Control-Physical Uplink Control Channel-RNTI
|
TPC-PUSCH-RNTI
|
Transmit Power Control-Physical Uplink Shared Channel-RNTI
|
TPC-SRS-RNTI
|
Transmit Power Control-Sounding Reference Symbols-RNTI
|
TTI |
Transmission Time
Interval
|
UCI |
Uplink control information |
UDM |
Unified Data Management |
UDP |
User Datagram Protocol |
UDR |
User Data Repository |
UDSF |
Unstructured Data Storage Function |
UE |
User equipment |
UICC |
Universal Integrated Circuit Card |
UL |
Uplink |
UL-SCH |
Uplink shared channel |
UM |
Unacknowledged Mode |
UP |
User Plane |
UPF |
User Plane Function |
URLLC
|
Ultra-Reliable and Low Latency Communications
|
URN |
Uniform Resource Name
|
UTC |
Coordinated Universal Time |
UTRAN |
Universal Terrestrial Radio Access Network |
X-MAC |
Computed MAC-I |
Xn |
network interface between NG-RAN nodes
|
Xn-C |
Xn-Control plane (control plane interface between NG-RAN and 5GC)
|
Xn-U |
Xn-User plane (user plane interface between NG-RAN and 5GC)
|
XnAP
|
Xn Application Protocol
|