Abbreviations



NameDescription
3
3GPP3rd Generation Partnership Project (www.3gpp.org)
5
5GC5G Core Network (24.301)
5QI5G QoS Indicator
A
A-CSIAperiodic CSI
A-MPRAdditional maximum power reduction
AASActive Antenna System
ACBAccess Class Barring
ACLRAdjacent Channel Leakage Ratio
AESAdvanced Encryption Standard
AIAir-interface
AKAAuthentication and Key Agreement
AMAcknowledged Mode
AMBRAggregate Maximum Bit Rate
AMCAdaptive Modulation and Coding
AMFAccess and Mobility Management Function
ANRAutomatic Neighbour Relation
AoAAngle of Arrival
APAntenna port
ARFCNAbsolute radio-frequency channel number
ARPAllocation and Retention Priority
ASN.1Abstract Syntax Notation One
AWGNAdditive White Gaussian Noise
B
BCHBroadcast Channel
BDblind detection
BIBackoff Indicator (38.321)
BLERBlock Error Rate
BPLBeam Pair Link
BPSKBinary Phase Shift Keying
BSBase Station
BSRbuffer status report
BWPBandwidth part
C
C-RNTICell RNTI
CACarrier Aggregation
CBGCode Block Group
CBRAContention Based Random Access
CCComponent carrier
CCConvolutional Code
CCAClear Channel Assessment
CCEControl channel element
CCOCell Change Order
CFRAContention Free Random Access
CGICell Global ID
CKCipher Key
CLICross Link Interference
CMASCommercial Mobile Alert Service
CoMPCoordinated multi point (tranmission)
CORESETControl Resource Set
COTChannel Occupancy Time
CPControl Plane
CPCyclic prefix
CPECustomer Premise Equipment
CPRICommon Public Radio Interface
CQIChannel Quality Indicator
CRBCommon resource block
CRCCyclic redundancy check
CRICSI-RS resource indicator
CRSCell-specific Reference Signal
CS-RNTIConfigured Scheduling RNTI (38.321)
CSIChannel state information
CSI-IMCSI Intereference Measurement
CSI-RSChannel state information reference signal
CSMA/CAChannel Sense Multiple Access with Collision Avoidance
CSSCommon search space
CTSCleat-To-Send
CWSContention Window Size
D
D2DDevice to device
DAIDownlink Assignment Indicator
DCDual Connectivity (3x.101)
DCIDownlink control information
DFSDynamic Frequency Selection
DLDownlink
DM-RSDemodulation reference signal
DRBData Radio Bearer carrying user plane data
DRSDiscovery Reference Signal
DRXDiscontinuous Reception
DSACDomain Specific ACB
DwPTSDownlink Pilot Time Slot
E
E-UTRANEvolved Universal Terrestrial Access Network
EABExtended Access Barring
EDEnergy Detection
EIRPEquivalent Isotropic Radiated Power
eLAAEnhanced License Assisted Access
eMBBEnhanced Mobile Broadband
EN-DCE-UTRA - NR Dual Connectivity (37.340)
EPCEvolved Packet Core
ePDGEvolved Packet Data Gateway
EPREEnergy per resource element
EPSEvolved Packet System
ETSIEuropean Telecommunications Standards Institute
ETWSEarthquake and Tsunami Warning System
EVMError Vector Magnitude
F
FBEFrame Based Equipment
FBWFractional Bandwidth
FDDFrequency Division Duplex
FeLAAFurther Enhanced LAA
FLFront-Loaded (DMRS)
FPGAField-Programmable Gate Array
FR1Frequency range 450 MHz – 6000 MHz
FR2Frequency range 24.25 GHz – 52.6 GHz
FTPFile Transfer Protocol
FWAFixed Wireless Access
G
gNBnext Generation Node B
gNB-CUgNB Central Unit (RRC, SDAP and PDCP)
gNB-DUgNB Distributed Unit (RLC, MAC and PHY layers)
GNSSGlobal Navigation Satellite System
GSCNGlobal Synchronization Channel Number
GTPGPRS Tunneling Protocol (29.060)
GUAMIGlobally Unique AMF Identifier (38.413)
GUMMEIGlobally Unique MME Identifier
GUTIGlobally Unique Temporary UE Identity (23.003)
H
HARQHybrid Automatic Repeat Request
HFNHyper Frame Number
HLRHome Location Register
HOHand Over
HSSHome Subscriber Server
I
IEInformation Element
IKIntegrity Key
IMEIInternational Mobile Equipment Identity (23.003)
IMSIP Multimedia Subsystem
IMSIInternational Mobile Subscriber Identity (31.102)
IMTInternational Mobile Communication
INT-RNTIInterruption RNTI (38.321)
IoTInternet of Things
IQIn-phase and Quadrature
IRATInter-Radio Access Technology
IRCInterference Rejection Combining (Receiver)
ISCUnified Access Control
ISDInter-sites distance
J
JT CoMPJoint transmission coordinated multipoint
L
LAALicense Assisted Access
LADNLocal Area Data Network
LBELoad Based Equipment
LBTListen Before Talk
LCIDLogical Channel ID (38.321)
LDPCLow Density Parity Check
LMDSLocal Multipoint Distribution Service
LWALTE-WLAN Aggregation
M
MACMedium Access Control (3x.321)
MAC-IMessage Authentication Code for Integrity
MCGMaster cell group
MCLMaximum Coupling Loss
MCOTMaximum Channel Occupancy Time
MCSModulation and coding scheme
MCSMission Critical Service
MeNBMaster eNB
MIBMaster Information Block
MICOMobile Initiated Connection only (no listen to Paging)
MIMOMultiple Input Multiple Output
MMEMobility Management Entity
MMSEMinimum mean square error (Receiver)
mMTCMassive Machine Type Communications
MNMaster Node
MNCMobile Network Code
MOMobile Originated
MPCMultimedia Priority Service
MPEMaximum Permissible Exposure
MR-DCMulti-RAT Dual Connectivity
MSIMinimum System Information
MTMobile Terminated
MTCMachine Type Communication
MU-MIMOMulti User MIMO
N
NASNon Access Stratum (24.301)
NCGINR Cell Global Identifier
NCRsNeighbour Cell Relations
NOMANon-Orthogonal Multiple Access
NRNew Radio Access
NSANon Standalone
NSSAINetwork Slice Selection Assistance Information
NTNNon-terrestrial networks
NZP CSI-RSNon-zero power CSI Reference Signal
O
O&MOperation and Maintenance
OAMOperations, Administration and Maintenance
OCBOccupied Channel Bandwidth
OCNSOrthogonal Channel Noise Simulator
OEMOriginal Equipment Manufacturer
OFDMOrthogonal Frequency Division Multiplex(ing)
OSIOther System Information
OTAOver The Air
OTDOAObserved Time Difference Of Arrival
P
PAPRPeak to Average Power Ratio
PBCHPhysical Broadcast CHannel
PBRPrioritised bit rate
PCellPrimary Cell
PCHPaging Channel
PCIPhysical Cell Identity (36.331)
PCOProtocol Configuration Options
PCRFPolicy and Charging Rules Function
PDCCHPhysical downlink control channel
PDCPPacket Data Convergence Protocol (3x.323)
PDNPacket Data Network
PDSCHPhysical downlink shared channel
PDUProtocol Data Unit
PHRPower Headroom Report
PLMNPublic Land Mobile Network
PMIPrecoding Matrix Indicator
POPaging Occassion
PPACPaging Permission with Access Control
PRACHPhysical random access channel
PRBPhysical Resource Block
ProSeProximity-based Services
PRSPositioning Reference Signal
PSSPrimary Synchronisation Signal
PT-RSPhase tracking reference signal
PUCCHPhysical uplink control channel
PUSCHPhysical uplink shared channel
PWSPublic Warning System
Q
QAMQuadrature Amplitude Modulation
QCLQuasi Co-Location
QFIQoS Flow Identity
QoSQuality of Service
QPSKQuadrature Phase Shift Keying
R
RACHRandom Access Channel
RAPIDRandom Access Preamble ID (38.321)
RARRandom Access Response
RAURouting Area Update
RBResource Block
RBGResource Block Group
RDIReflective QoS flow to DRB mapping Indication
REGsResource element groups
RFRadio Frequency
RIRank Indicator
RIVResource indicator value
RLCRadio Link Control (3x.322)
RLFRadio Link Failure
RLMRadio Link Monitoring
RMCReference Measurement Channel
RMSIRemaining Minimum SI (SystemInformationBlockType1)
RNAURan Notification Area Update
RNTIRadio Network Temporary Identifier
ROHCRObust Header Compression
RQAReflective QoS Attribute
RQIReflective QoS Indication
RRCRadio Resource Control (3x.331)
RRMRadio Resource Management
RSRPReference signal received power
RSRQReference Signal Received Quality
RSSIReceived signal strength indicator
RSTDReference signal time difference
RTSReady-To-Send
RTTRound Trip Time
S
S1Interface between E-UTRAN and the EPC (36.413)
SARSegmentation and Reassembly
SARSpecific Absorption Rate
SCellSecondary Cell
SCGSecondary cell group
SCSSub-Carrier Spacing
SCTPStream Control Transmission Protocol
SDAPService Data Adaptation Protocol
SDLSupplementary Downlink
SDUService Data Unit
SEMSpectrum Emission Mask
SFISlot format indication
SFI-RNTISlot Format Indication RNTI (38.321)
SFNSystem Frame Number
SFTDSFN and frame timing difference
SgNBSecondary gNb
SI-RNTISystem Information RNTI
SIBSystem Information Block
SINRSignal to Interference and Noise Ratio
SIPTOSelected IP Traffic Offload
SISOSingle Input Single Output
SLIVStart and length indicator value
SMFSession Management Function
SMTCSS/PBCH Block Measurement Time Configuration
SNSecondary Node
SNSequence Number
SONSelf-Organizing Networks
SP-CSI-RNTISemi-Persistent CSI RNTI (38.321)
SPSSemi-Persistent Scheduling
SQNSequence Number
SRBSignalling Radio Bearer carrying control plane data
SRIScheduling request indicator
SRSSounding Reference Signal (UL)
SRVCCSingle Radio Voice Call Continuity
SSACService Specific Access Control
SSBSynchronization Signal Block
SSCSession and Service Continuity
SSSSecondary Synchronization Signal
SU-MIMOSingle User MIMO
SULSupplementary Uplink
T
TACTracking Area Code
TAGTiming advance group
TAUTracking Area Update
TBSTransport Block Size
TCITransmission configuration indication
TDDTime Division Duplex
TDMTime division multiplexing
TDRATime Domain Resource Allocation
TEIDTunnel Endpoint Identifier
TMSITemporary Mobile Subscriber Identity
TNLTransport Network Layer
TPCTransmitter Power Control
TPC-CS-RNTITransmit Power Control-Configured Scheduling-RNTI (38.321)
TPC-SRS-RNTITransmit Power Control-Sounding Reference Symbols-RNTI (38.321)
TPMITransmitted Precoding Matrix Indicator
TRPTransmit-Receive Point
TRPTotal Received Power
TRPTotal Radiated Power
TRSTracking Reference Signal (CSI-RS)
U
UCIUplink Control Information
UEUser Equipment
ULUplink
UMUnacknowledged Mode
UPUser Plane
uRLLCUltra-reliable low latency communication
URSPUE Route Selection Policy
USIMUniversal Subscriber Identity Module
USSUE specific search space
UTRAUniversal Terrestrial Access Network
UwPTSUplink Pilot Time Slot
V
V2XVehicle to Everything
VLRVisitor Location Register
VoIPVoice-Over-Internet-Protocol
VRBVirtual resource block
W
WLANWireless Local Area Network
X
X2APX2 Application Protocol (36.423)
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