|
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
|