Redundancy CheckCRMCustomer Relationship ManagementCSDCircuit Switched DataCSIChannel State InformationCSMA/CACarrier Sense Multiple Access/Collision AvoidanceCSMA/CDCarrier Sense Multiple Access/Collision DetectionCSSChirp Spread SpectrumCTAIDICustomer Total Average Interruption Duration IndexCTSClear to SendCWDMCoarse Wavelength Division MultiplexingDADistribution AutomationDBADynamic Bandwidth AssignmentDCDirect CurrentDCData ConcentratorDCCData Communications CompanyDCIDownlink Control InformationDERDistributed Energy ResourcesD‐FACTSDistribution FACTSDFTDiscrete Fourier TransformDFT‐S‐OFDMDigital Fourier Transform Spread OFDMDGDistributed GenerationDLLData‐Link LayerDLMSDevice Language Message SpecificationDLRDynamic Line RatingDMDomain MasterDM‐RSDemodulation Reference SignalDMSDistribution Management SystemDMVPNDynamic Multipoint VPNDNData NetworkDNNData Network NameDNODistribution Network OperatorDNP3Distributed Network ProtocolDOEDepartment of Energy (USA)DRDemand ResponseDRBData Radio BearerDRXDiscontinuous ReceptionDSDistributed StorageDSBDouble SidebandDSMDemand‐Side ManagementDSMEDeterministic Synchronous Multichannel ExtensionDSODistribution System OperatorDSSDynamic Spectrum SharingDSSSDirect Sequence Spread SpectrumDWDMDense Wavelength Division MultiplexingEABExtended Access BarringECCElectronic Communications CommitteeECHONETEnergy Conservation and HOmecare NETworkEDEnd DeviceEDGEEnhanced Data rates for Global EvolutioneDRXextended Discontinuous ReceptioneMBBenhanced Mobile BroadbandEMCElectroMagnetic CompatibilityEMSEnergy Management SystemeMTC‐Uenhanced Machine Type Communications UnlicensedENEuropean Norm (Standard)eNBeNodeBEN‐DCE‐UTRAN NR Dual ConnectivityENISAEuropean Union Agency for Network and Information SecurityEPAEnhance Performance ArchitectureEPCEvolved Packet CoreEPONEthernet Passive Optical NetworkEPRIElectric Power Research InstituteEPSEvolved Packet SystemERPEnterprise Resource PlanningETSIEuropean Telecommunications Standards InstituteEUEuropean UnionE‐UTRANEnhanced UMTS Terrestrial Radio Access NetworkEVElectric VehicleEVCCElectric Vehicle Communication ControllerEVSEElectric Vehicle Supply EquipmentFACTSFlexible Alternating Current Transmission SystemFANField Area NetworkFCCFederal Communications CommissionFDDFrequency Division DuplexingFDIRFault Detection Isolation and RestorationFDMFrequency Division MultiplexingFDMAFrequency Division Multiple AccessFECForward Error CorrectionFERFrame Error RateFFDFull Function DeviceFFTFast Fourier TransformFHFrequency HoppingFLISRFault Location, Isolation, and Service RestorationFMFrequency ModulationFRFrequency RangeFSANFull Service Access NetworkFSKFrequency Shift KeyingFTTHFiber To The HomeFTTxFiber To The xGBGreat BritainGBRGuaranteed Bit RateGEMGPON Encapsulation MethodGFPGeneric Framing ProcedureGISGeographic Information SystemgNBgNodeBGOOSEGeneric Object‐Oriented Substation EventGPONGigabit Passive Optical NetworkGPRSGeneral Packet Radio ServiceGREGeneric Routing EncapsulationGSMGlobal System for MobileGSMAGSM AssociationGSSEGeneric Substation State EventGTCGPON Transmission ConvergenceGTPGPRS Tunneling ProtocolGTSGuaranteed Time SlotGWGateWayHANHome Area NetworkHARQHybrid Automatic Repeat RequestHD‐FDDHalf Duplex Frequency Division DuplexingHDRHigh Data RateHEMSHome Energy Management SystemHEVHybrid Electric VehicleHFCHybrid Fiber‐CoaxialHSPAHigh Speed Packet AccessHSSHome Subscriber ServerHVDCHigh Voltage Direct CurrentIANIndustrial Area NetworkICCPInter‐Control Center ProtocolICEInternal Combustion EngineICIInter‐Carrier InterferenceICICInter‐Cell Interference CoordinationICTInformation and Communication TechnologiesIDIDentifierIEDIntelligent Electronic DeviceIETFInternet Engineering Task ForceIGBTInsulated Gate Bipolar TransistorIHDIn‐Home DisplayIIoTIndustrial Internet of ThingsIMSIP Multimedia SubsystemIMTInternational Mobile TelecommunicationsIoTInternet of ThingsIPInternet ProtocolISDNIntegrated Services Digital NetworkISIInter‐Symbol InterferenceISMIndustrial, Scientific, and MedicalISOInternational Organization for StandardizationITU‐RITU Radiocommunication SectorkWhkiloWatt hourL2Layer 2L3Layer 3LAALicensed Assisted AccessLADNLocal Area Data NetworkLANLocal Area NetworkLASERLight Amplification by Stimulated Emission of RadiationLBTListen Before TalkLCASLink Capacity Adjustment SchemeLDLogical DeviceLDPLabel Distribution ProtocolLDPCLow‐Density Parity CheckLDRLow Data RateLEDLight Emitting DiodeLLIDLogical Link IDentificationLMRLand Mobile RadioLNLogical NodeLoSLine‐of‐SightLPWALow Power Wide AreaLPWANLow Power WANLR‐WPANLow‐Rate WPANLSPLabel Switched PathLTELong‐Term EvolutionLTE‐MLong‐Term Evolution for MachinesLwM2MLightweight Machine‐to‐MachineM2MMachine‐to‐MachineMACMedium Access ControlMAIFIMomentary Average Interruption Frequency IndexMAIFIEMomentary Average Interruption Event (E) Frequency IndexMANMetropolitan Area NetworkMAPMaximum A‐PosterioryMAPMedia Access PlanMCLMaximum Coupling LossMCSModulation and Coding SchemeMDMMeter Data ManagementMDMSMeter Data Management SystemMEDMajor Event DayMEFMetro Ethernet ForumMEMSMicrogrid Energy Management SystemMHDSMulti Hop Delivery ServiceMIBManagement Information BaseMIMOMultiple‐Input Multiple‐OutputMMEMobility Management EntitymMTCmassive Machine Type CommunicationsMNOMobile Network OperatorMPCPMulti‐Point MAC Control ProtocolMPLSMulti‐Protocol Label SwitchingMPLS‐TPMulti‐Protocol Label Switching‐Transport ProfileMQTTMessage Queuing Telemetry TransportMS‐SPRINGMultiplex Section‐Shared Protection RingMTCMachine Type CommunicationsMVNOMobile Virtual Network OperatorNASNon‐Access StratumNASPINorth American Synchrophasor InitiativeNATNetwork Address TranslationNB‐IoTNarrowBand IoTNB‐IoT‐UNB‐IoT UnlicensedNFNetwork FunctionNFVNetwork Function VirtualizationNG‐PON2Next Generation‐Passive Optical Network 2NG‐RANNext Generation Radio Access NetworkNHRPNext Hop Resolution ProtocolNICNetwork Interface CardNIDDNon‐IP Data DeliveryNISTNational Institute of Standards and Technology (USA)NMSNetwork Management SystemNOPNormally Open PointNPBCHNarrowband PBCHNPCWNormal Priority Contention WindowNPDCCHNarrowband PDCCHNPDSCHNarrowband PDSCHNPNNon‐Public NetworkNPSSNarrowband PSSNPUSCHNarrowband PUSCHNRNew RadioNR‐UNew Radio UnlicensedNSNetwork ServerNSANon‐Stand AloneNSSSNarrowband SSSNTNNon‐Terrestrial NetworkNTUNetwork Terminal UnitNWKNetworkOAMOperations, Administration, and MaintenanceOCOptical CarrierOChOptical ChannelODNOptical Data NetworkODNOptical Distribution NetworkODUOptical Data UnitOFCOMOffice of Communications (UK)OFDMOrthogonal Frequency Division MultiplexingOFDMAOrthogonal Frequency Division Multiple AccessOLTOptical Line TerminalONTOptical Network TerminalONUOptical Network UnitOPERAOpen PLC European Research AllianceOPEXOPerational EXpenditureOSIOpen System InterconnectionOSPFOpen Shortest Path FirstOTNOptical Transport NetworkOTUOptical Transport UnitOXCOptical Cross‐ConnectPAMPulse Amplitude ModulationPANPersonal Area NetworkPCCPoint of Common CouplingPCCHPaging Control CHannelPCFPolicy and Charging FunctionPCFICHPhysical Control Formal Indicator CHannelPcoProxy coordinatorPDCPhasor Data ConcentratorPDCCHPhysical Downlink Control CHannelPDHPlesiochronous Digital HierarchyPDNPacket Data NetworkPDSCHPhysical Downlink Shared CHannelPDUPacket Data UnitPEVPlug‐in Electric VehicleP‐GWPDN GatewayPHEVPlug‐in Hybrid Electric VehiclePHICHPhysical Hybrid ARQ Indicator CHannelPLCPPhysical Layer Convergence ProtocolPLMNPublic Land Mobile NetworkPMPhase ModulationPMRPrivate (or Professional) Mobile RadioPMUPhasor Measurement UnitPNI‐NPNPublic Network Integrated NPNPONPassive Optical NetworkPOTSPlain Old Telephone SystemPPDRPublic Protection and Disaster ReliefPRACHPhysical Random Access CHannelPRBPhysical Radio BlockPRIMEPoweRline for Intelligent Metering EvolutionPSPrimary SubstationPSKPhase Shift KeyingPSMPower Save ModePSSPrimary Synchronization SignalPSTNPublic Switched Telephone NetworkPTTPush‐To‐TalkPUCCHPhysical Uplink Control CHannelPUSCHPhysical Uplink Shared CHannelQAMQuadrature Amplitude ModulationQoSQuality of ServiceQPSKQuadrature Phase Shift KeyingRACDSResilient AC Distribution SystemRANRadio Access NetworkRCCRegional Commonwealth in the field of CommunicationsRESTREpresentational State TransferRFRadio FrequencyRFCRequest For CommentsRFDReduced Function DeviceRIPRouting Information ProtocolRLCRadio Link Controlrmsroot mean squareROADMReconfigurable Optical Add‐Drop MultiplexerRPLRouting Protocol for Low Power and Lossy NetworksRRRadio RegulationsRRCRadio Resource ControlRRMRadio Resource ManagementRSRepeating StationRTPReal‐Time PricingRTSReady to SendRTTRound‐Trip TimeRTURemote Terminal UnitSASubstation AutomationSAStand‐AloneSAESociety of Automotive EngineersSAIDISystem Average Interruption Duration IndexSAIFISystem Average Interruption Frequency IndexSARSegmentation and ReassemblingSBAService‐Based ArchitectureSCADASupervisory Control and Data AcquisitionSCEFService Capability Exposure FunctionSC‐FDMASingle Carrier FDMASCLSubstation Configuration LanguageSCPShared Contention PeriodSDHSynchronous Digital HierarchySDNSoftware Defined NetworkingSEPSmart Energy ProfileSFSpreading FactorS‐GWServing GatewaySIMSubscriber Identity ModuleSLAService‐Level AgreementSMSShort Message ServiceSMWANSmart Metering WANSNService NodeSNPNStandalone NPNSNRSignal‐to‐Noise RatioS‐NSSAISingle Network Slice Selection Assistance InformationSONETSynchronous Optical NETworkSRBSignalling Radio BearerSRSSounding Reference SignalSSSecondary SubstationSSBSynchronization Signal BlockSSSSecondary Synchronization SignalSSTSlice/Service TypeSTATCOMSTATic COMpensatorSTMSynchronous Transport ModuleSTPSpanning
