3GPP常用英文缩写全称大全3GPP常用英文缩写全称大全3G是3GPP的简写形式，3GPP在英文里的全称是：the 3rd Generation Partner Project 中文的全称是：第三代合作伙伴计划，是领先的3G技术规范机构，旨在研究制定并推广基于演进的GSM核心网络的3G标准，它负责WCDMA标准的制定，R4标准是其中较为成熟的一个版本。

3GPP:3GP是一种3G流媒体的视频编码格式，是目前手机中最为常见的一种视频格式。

简单的说，该格式是“第三代合作伙伴项目”(3GPP)制定的一种多媒体标准，使用户能使用手机享受高质量的视频、音频等多媒体内容。

3GPP常用英文缩写全称大全3GPP 3rd Generation Partnership ProjectAAL ATM Adaptation LayerAAL2 ATM Adaptation Layer of type 2AAL5 ATM Adaptation Layer of type 5A&C Authentication and CipheringACFE Access Control Function EntityAI Acquisition IndicationAICH Acquisition Indication ChannelALCAP Access Link Control Application PartAM Acknowledged Mode (of RLC)AMR Adaptive Multi Rate (Transcoder)AN Access NetworkAOA Angle Of ArrivalAP Application ProcessAPDU Application Protocol Data UnitAPId Access Point IdentifierAPN Access Point NameAPS Automatic Protection SwitchingARIB Association of Radio Industries and BusinessARQ Automatic Repeat RequestASAP Alarm Severity Assignment ProfileATC ATM Transfer CapabilityATM Asynchronous Transfer ModeAUG Administrative Unit GroupAU-n Administrative Unit n with n being 4 or 3AUTN Authentication TokenAWGN Added White Gaussian NoiseBCCH Broadcast Control ChannelBCH Broadcast ChannelBER Bit Error RateCPICH Common Pilot ChannelCPS Common Part SublayerCRC Cyclic Redundancy CheckCRCI CRC IndicatorCRC-N Cyclic Redundancy Check-NCRNC Controlling RNCc-RNTI RNTI allocated by CRNCCS Circuit SwitchedCSES Consecutive Severely Errored SecondCSN Ciphering Sequence NumberCSUM ChecksumCTCH Common Traffic ChannelCTDMA Code Time Division Multiple AccessCTP Connection Termination Point (OAM context)CTP Common Transport Protocol (Protocol context)DBR Deterministic Bit RateDC Dedicated Control (SAP)DCA Dynamic Channel AllocationDCCH Dedicated Control ChannelDCH Dedicated ChannelDCN Data Communication NetworkDL DownLinkDoCoMo Do Communication with MobilesDPCCH Dedicated Physical Control ChannelDPCH Dedicated Physical ChannelDPDCH Dedicated Physical Data ChannelDRAC Dynamic Resource Allocation ControlDRNC Drift RNCDRNS Drift RNSDRX Discontinuous ReceptionDS-CDMA Direct-Sequence Code Division Multiple Access DSCH Downlink Shared ChannelDT Data TransportDTCH Dedicated Traffic ChannelDTX Discontinuous TransmissionEBER Excessive Bit Error RatioECASC Extended Current Summary Alarm ControlEFCI Explicit Forward Congestion IndicationEFD Event Forwarding DiscriminatorEIR Equipment Identity RegisterEIRP Equivalent Isotropic Radiated PowerE-OTD Enhanced OTDES Errored SecondETSI European Telecommunication Standardisation InstituteF8 access link encryption functionFACH Forward Access ChannelFAUSCH Fast Uplink Signalling ChannelFBI Feed Back IndicatorFCS Frame Check SequenceFDD Frequency Division DuplexFDMA Frequency Division Multiple AccessFEC Forward Error CorrectionFEEB Far End Errored BlockFEES Far End Errored SecondFER Frame Erasure RateFESES Far End Severely Errored SecondFFS For Further StudyFM Fault ManagementFP Frame ProtocolFTAM File Transfer Access ManagementFTP File Transfer ProtocolGb Gb interface (between SGSN and BSC)GC General Control (SAP)GCRA Generic Cell Rate AlgorithmGFR Guaranteed RateGGSN Gateway GPRS Serving NodeGMM MM for GPRS servicesGMSK Gaussian Minimum Shift KeyingG-PDU T-PDU plus GTP headerGPRS General Packet Radio ServiceGPRS-CSI GPRS CAMEL Subscription Information GPS Global Positioning SystemGRNC Generic RNCGSM Global System for Mobile communicationsGTP GPRS Tunnelling ProtocolGTP-u GTP user planeHCS Hierarchical Cell StructureHE Home EnvironmentHEC Header Error ControlHFN Hyper Frame NumberHHO Hard HandoverHO HandoverHOP High Order PathHOVC Higher Order Virtual ContainerIBTS uplink Interference signal power level at Node B ICB Inter Carrier BoardICD Interface Control DocumentICH Indicator CHannelICI Inter Carrier InterfaceIE Information ElementIEC Incoming Error CountIETF Internet Engineering Task ForceIK Integrity KeyIMA Inverse Multiplexing for ATMIMEI International Mobile Equipment IdentityIMEISV International Mobile Equipment Identity Software VersionIMSI International Mobile Subscriber Identity (identical for IMUI; used in GSM context)IMUI International Mobile User Identity (identical to IMSI; seems to replace IMSI in UMTS contex t)INI Inter Network InterfaceIP Internet ProtocolISCP Interference Signal Code PowerISDN Integrated Services Digital NetworkISF Incoming Signal FailureIS-FL Idle Slot Forward LinkISID Idle Signal IdentificationISO International Organisation for StandardizationIT Information TechnologyITU International Telecommunication UnionIu Reference point between Access and Serving Network domainsIub Iub interface (between Node B and RNC)Iu-CS Iu towards the Circuit Switched-Service Domain of the Core NetworkIu-PS Iu towards the Packet Switched-Service Domain of the Core NetworkIur Iur interface (between RNC and RNC)IWF Inter Working FunctionIWU Inter Working UnitJD Joint DetectionKbps kilo-bits per secondKSI Key Set IdentifierKsps kilo-symbols per secondL1 Layer 1 (physical layer)L2 Layer 2 (data link layer)L3 Layer 3 (network layer)L3-CE Layer 3 Compression EntityLAC Link Access ControlLAI Location Area IdentityLAN Local Area NetworkLAPD Link Access Protocol for D-channelLB Laser BiasLCAF Location Client Authorisation FunctionLCCF Location Client Control FunctionLCCTF Location Client Coordinate Transformation FunctionLCD Loss of Cell Delineation (transmission context)LCD Low Constrained Delay (traffic context)LCF Location Client FunctionLCS Localisation Client ServiceLDD Low Delay DataLIR Limited IP Routing entity (in the RNC)LLC Link Layer ControlLMT Local Maintenance TerminalLNA Low Noise AmplifierLOF Loss of FrameLOP Low Order PathLOP Loss of PointerLOS Loss of SignalLPA Linear Power AmplifierLSA Localised Service AreaLSB Least Significant BitLSBF Location System Billing FunctionLSCF Location System Control FunctionLSN Local Sub NetworkLSPF Location Subscriber Privacy FunctionLT Laser TemperatureLTOA Latest Time of ArrivalMA Multiple AccessMAC Medium Access ControlMAC-c MAC entity handling common channels (RACH, FACH)MAC-d MAC entity handling dedicated channels (DCH)MAC-I Message Authentication Code used for data Integrity of signalling messages MAC-sh MAC entity handling shared channel (DSCH)MAHO Mobile Assisted HandoverMBS Maximum Burst SizeMCC Mobile Country CodeMCD Manual Configuration DataMcps Mega-chips per secondMD Macro-diversityME Mobile EquipmentMEHO Mobile evaluated handoverMIB Management Information BaseMM Mobility ManagementMNC Mobile Network CodeMNRG Mobile station Not Reachable for GPRS flagMNRR Mobile station Not Reachable ReasonMO Mobile OriginatedMOHO Mobile Originated HandoverMS Multiplex Section (transmission context)MS Mobile Station (GSM or security context)MS-AIS Multiplex Section Alarm Indication SignalMSB Most Significant BitMSC Multi-Slot Cell (MPSR context)MSC Mobile services Switching Centre (Core Network Context) MSID Mobile Station IdentifierMSOH Multiplex Section OverheadMSP Multiplex Section ProtectionMS-RDI Multiplex Section Remote Defect IndicationMS-REI Multiplex Section Remote Error IndicationMSTE Multiplex Section Terminating ElementMT Mobile Terminated (call context)MT Mobile Terminal (equipment context)MTP Message Transfer PartMUI Mobile User IdentifierNAS Non Access StratumNBAP Node B Application PartNCP Node B Control PortNCSES Number of Consecutive Severely Errored SecondNDF New Data FlagNE Network ElementNEHO Network evaluated handoverNEM Network Element ManagerNMC Network Management CentreNNI Network Node Interface (includes INI and ICI interfaces) NP Nectar PilotNPC Network Parameters ControlNRT Non-Real TimeNSS Network Sub SystemNT Nectar TelecomNt Notification (SAP)NW NetworkN-PDU Network PDUO&M Operation and MaintenanceOAM Operation Administration and MaintenanceOCCCH ODMA Common Control ChannelODCCH ODMA Dedicated Control ChannelODCH ODMA Dedicated ChannelODI Outgoing Defect IndicationODMA Opportunity Driven Multiple AccessODTCH ODMA Dedicated Traffic ChannelOEI Outgoing Error IndicationOFS Out of Frame SecondOMC Operation and Maintenance CentreOOF Out of FrameORACH ODMA Random Access ChannelOS Operation SystemOSF Offset FieldOSI Open System InterconnectionOSL Optical Signal LevelOTD Observed Time DifferenceOVSF Orthogonal Variable Spreading FactorPA Power AmplifierPC Power ControlPCCH Paging Control ChannelPCF Positioning Calculation FunctionPCH Paging ChannelPCM Pulse Code ModulationPCR Peak Cell RatePDCP Packet Data Convergence protocolPDH Plesiochronous Digital HierarchyPDN Packet Data NetworkPDP Packet Data ProtocolPDU Protocol Data UnitPG Processing GainPHY Physical layerPhyCH Physical ChannelPI Paging IndicatorPICH Page Indicator ChannelPID Packet IdentificationPJC Pointer Justification CountPJE Pointer Justification EventPkg PackagesPLM Payload MismatchPLMN Public Land Mobile NetworkPM Performance Management/Performance Monitoring PMM MM for PS domainPN Pseudo NoisePOH Path OverheadPPI Plesiochronous Physical InterfacePPM Parts Per MillionPRACH Physical Random Access ChannelPRCF Positioning Radio Co-ordination FunctionPS Packet SwitchedPSAP Presentation Service Access PointPSC Protection Switch CountPSD Protection Switch DurationPSMF Positioning Signal Measurement FunctionPSN Plane Switch NodePSTN Public Switched Telephone NetworkPTE Path Terminating ElementPVC Permanent Virtual ConnectionP-TMSI Packet TMSI (equivalent to P-TMUI, used in GPRS context)P-TMUI Packet TMUI – (equivalent to P-TMSI, new name for it in the UMTS context) PTR PointerPUF Power Up FunctionQE Quality EstimateQoS Quality of ServiceQPSK Quadrature Phase Shift KeyingRA Routing AreaRAB Radio Access BearerRAC Routing Area CodeRAC Radio Admission ControlRACH Random Access ChannelRAI Routing Area Identity (GPRS or Iu-PS context)RAI Remote Alarm Indication (transmission context)RAID Redundant Array of Independent DisksRAN Radio Access NetworkRANAP Radio Access Network Application PartRAND Random ChallengeRB Radio BearerRDI Remote Defect IndicationRDN Relative Distinguished NameREI Remote Error IndicationRF Radio FrequencyRFC Request For CommentRFN Reference Frame NumberRLC Radio Link ControlRLCP Radio Link Control ProtocolRLS Radio Link SetRLs Radio LinksRNC Radio Network ControllerRNCC Radio Network Connection ControlRNS Radio Network SubsystemRNSAP Radio Network Subsystem Application PartRNTI Radio Network Temporary IdentityRP Radio ProcessingRRC Radio Resource ControlRRM Radio Resource ManagementRS Regenerator sectionRSCP Received Signal Code Power after despreadingRSOH Regenerator Section OverheadRSSI Received Signal Strength IndicatorRT Real TimeRU Resource UnitRX ReceiveSAAL Signalling AAL (equivalent to SSCF over SSCOP over AAL5) SACCH Slow Associated Control ChannelSAP Service Access PointSBR Statistical Bit RateSC Service ControlSCCH Synchronization Control ChannelSCCP Signalling Connection Control PartSCD Selective Cell DiscardSCH Synchronization ChannelSCR Sustainable Cell RateSCTP Simple Control Transmission ProtocolSD Supervision Data (context configuration management)SD Signal Degrade (context SDH)SDCCH Stand-Alone Dedicated Control ChannelSDH Synchronous Digital HierarchySDU Service Data UnitSES Severely Errored SecondSF Signal Fail (transmission context)SF Spreading Factor (radio context)SFN System Frame NumberSG Study GroupSGSN Serving GPRS Support NodeSHO Soft Hand OverSIM Subscriber Information ModuleSIR Signal-to-Interference RatioSLM Signal Label MismatchSMS Short Message ServiceSN Serving NetworkSN Sequence NumberSNMP Simple Network Management ProtocolSOH Section OverheadSONET Synchronous Optical NetworkSP Switching PointSPA Signalling Point AccessibleSPI Signalling Point Inaccessible (SS7 context)SPI Synchronous Physical Interface (SDH context)SPROC System PROCessorSRNC Serving RNCSRNS Serving RNSs-RNTI RNTI allocated by SRNCSSA Signalling Subsystem AccessibleSSADT Service Specific Assured Data TransferSSCF Service Specific Coordination FunctionSSCOP Service Specific Connection-Oriented ProtocolSSP Signalling Subsystem ProhibitedSSSAR Service Specific Segmentation And ReassemblySSTED Service Specific Transmission Error DetectionSTF Start FieldSTM Synchronous Transport ModuleSTM(-N) Synchronous Transport Module (-N)STS(-N) Synchronous Transport Signal (-N)STTD Space Time Transmit DiversityTB Transport BlockTBC To Be ConfirmedTBD To Be DefinedTBF Transport Block FormatTBS Transport Block SetTCH Traffic ChannelTCM Tandem Connection MonitoringTCOH Tandem Connection OverheadTCP Transport Control ProtocolTCP Transport Control ProtocolTC-RDI Tandem Connection Remote Defect IndicationTC-REI Tandem Connection Remote Error IndicationTCT Tandem Connection TraceTCTE Tandem Connection Terminating ElementTDD Time Duplex DivisionTE Terminal EquipmentTEID Tunnel Endpoint IDTFCI Transport Format Combination IndicatorTFCS Transport Format Combination SetTFI Transport Format IndicatorTFS Transport Format SetTFT Traffic Flow TemplateTFTP Trivial File Transfer ProtocolTIM Trace Identifier MismatchTLLI Temporary Logical Link IdentifierTM Transparent Mode (of RLC)TMN Telecommunication Management NetworkTMSI Temporary Mobile Subscriber Identity (used in GSM context, equivalent to TMUI) TMUI Temporary Mobile User Identity (new name for TMSI in the UMTS context)TN Termination NodeTOA or ToA Time Of ArrivalTOAWE TOA Window End pointTOAWS TOA Window Start pointTP Termination PointTPC Transmit Power ControlT-PDU Original packet, for example an IP datagram, from UE or an external PDNTR Threshold ResetTRX Transmitter/ReceiverTSID Test Signal IdentificationTSS Telecommunication Standardization SectorTTC Telecommunication Technology CommitteeTTI Time Transmission Interval (Radio Context)TTI Trail Trace Identifier (O&M context)TTP Trusted Third Party (security context)TTP Trail Termination Point (transmission context)TU Tributary UnitTUG Tributary Unit GroupTUG(-n) Tributary Unit Group (-n)TU-n Tributary Unit-nTX TransmitU- User-UARFCN UTRA Absolute Radio Frequency Channel NumberUAS Unavailable SecondUBR Unspecified Bit RateUDD Unconstrained Delay DataUDP User Datagram ProtocolUE User EquipmentUEA UMTS Encryption AlgorithmUEFN User Equipment Frame NumberUIA UMTS Integrity AlgorithmUL UpLinkUM Unacknowledged Mode (of RLC)UMTS Universal Mobile Telecommunication SystemUNEQ UnequippedUNI User to Network InterfaceUP User PlaneUPC Usage Parameters ControlURA User Registration AreaUSCH Uplink Shared CHannelUSIM UMTS Subscriber Identity ModuleUTRA UMTS Terrestrial Radio AccessUTRAN UMTS Terrestrial Radio Access NetworkUu Reference point between User Equipment and Infrastructure domains, UMTS radio interface UUI User to User IndicatorVA Voice Activity (factor)VBR Variable Bit RateVC Virtual ChannelVCC Virtual Channel ConnectionVCI Virtual Channel IdentifierVC-n Virtual Container n (n is 11, 12, 2, 3 or 4)VLR Visitor Location RegisterVP Virtual PathVPC Virtual Path ConnectionVPI Virtual Path IdentifierW-CDMA Wideband CDMAWG Working GroupWG-n Working Group (of 3GPP)WTR Wait-to-RestoreXMAC-I eXpected Message Authentication Code used for data Integrity of signalling messages XOR eXclusive ORXPU AuXiliary Processing UnitXRES Expected Response。