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5G Call flow.pdf

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5G Call flow.pdf

  1. 1. No Message Sequence info Participant NE's Protocol Messages or IE's 1 F1SetupRequest DU-->CUCP F1AP Serving Cell Information, nRCGI,Serving cell PLMN Identity,nRPCI,TAC, FreqBandNrItem(freqBandIndicatorNr: xx) nRARFCN,measurementTimingConfiguration:MeasTiming 2 NGSetupRequest CUCP(NG-c)-->AMF NGAP GlobalRANNodeID: globalGNB-ID: It is combination of pLMNIdentity+gNB-ID,tAC, id- DefaultPagingDRX value 3 NGSetupResponse AMF --> CUCP(NG-c) NGAP AMFName,ServedGUAMIList(PLMN+AMFIdentity),GUAMIType(native) 4 F1SetupResponse CUCP --> DU F1AP Cells-to-be-Activated-List-Item :nRCGI(PLMN Identity and nRCellIdentity), SIB Information(SIB2,SIB3,SIB4) 5 AMFConfigurationUpdate AMF --> CUCP(NG-c) NGAP PLMN Support List, AMF TNL Association to Add List 6 AMFConfigurationUpdateAcknowledge CUCP(NG-c)-->AMF NGAP successfulOutcome:- AMFConfigurationUpdateAcknowledge 7 GNBDUConfigurationUpdate DU-->CUCP F1AP Served-Cells-To-Modify-Item(oldNRCGI,served-Cell- Information(PLMN,nRPCI,TAC)),nRARFCN,freqBandIndicatorNr,MeasurementTimingConfiguration MeasurementTimingConfiguration,MIB,pdcch-ConfigSIB1,SIB1(PLMN+nRCellIdentity) 8 GNBDUConfigurationUpdateAcknowledge CUCP --> DU F1AP successfulOutcome:-gNBDUConfigurationUpdateAck 9 E1SetupRequest CUCP-->CUUP E1AP GNB-CU-UP-ID,GNB-CU-UP-Name:UP- 2,CNSupport(CoreNetworkSupportability):(both),SupportedPLMNs,Slice-Support Info, 10 E1SetupResponse CUUP-->CUCP E1AP successfulOutcome:GNB-CU-UP-E1SetupResponse 11 RRC Setup Request DU-->CUCP F1AP/NR RRC EstablishmentCause,UeIdentity:RandomValue,nRCGI=PLMN Identity+nRCellIdentity,C-RNTI, rlc- BearerToAddModList=logicalChannelIdentity & srb-Identity,rlc-Config:am, mac- LogicalChannelConfig,mac-CellGroupConfig(schedulingRequestConfig),bsr-Config,pdcch- Config:setup,dci-Formats,pdsch-Config:setup,mcs-Table:qam256,pucch- Config:setup,PCI:scramblingID,Config:maxMIMO-Layers,freqBand,nrofRBs,nrOfAntennaPorts: x 12 RRC Setup CUCP --> DU F1AP/NR RRC servedRadioBearer:srb-Identity,rlc-Config,bsr-Config,mac-CellGroupConfig,phr-Config:setup,pdcch- Config:setup,dci-Formats,pdsch-Config:setup,mcs-Table:qam256,pucch- PowerControl,scramblingID,Setup:maxMIMO-Layers,freqBand,nrofRBs, 13 RRC Setup Complete, Registration request DU-->CUCP F1AP/NR RRC /NAS-5GS PDCP-NR Configuration,registeredAMF(amf-Identifier),Non-Access-Stratum PDU,5GS registration type,5GS mobile identity(5G-TMSI),UE security capability,5GMM capability,5GS tracking area identity - Last visited registered TAI(TAC),Network slicing indication, 14 InitialUEMessage, Registration request gNB-->AMF NGAP/NAS-5GS RAN-UE-NGAP-ID,id: id-NAS-PDU,5GS registration type,5GS mobile identity(5G-TMSI),UE security capability,5GMM capability,5GS tracking area identity - Last visited registered TAI(TAC), Network slicing indication,userLocationInformationNR=nRCGI(PLMNIdentity+NRCellIdentity)+TAI(PLMNIdentity+TA C),RRCEstablishmentCause: mo-Signalling 15 InitialContextSetupRequest AMF-->gNB NGAP AMF-UE-NGAP-ID,RAN-UE-NGAP-ID,GUAMI(PLMNID+AMFId),UESecurityCapabilities,SecurityKey 16 Security Mode Command CUCP --> DU F1AP/NR RRC RRCContainer including PDCP-NR:Configuration:SRB-1, securityAlgorithmConfig=cipheringAlgorithm: nea-x & integrityProtAlgorithm: nia-x 17 Security Mode Complete DU-->CUCP F1AP/NR RRC RRCContainer including PDCP-NR:Configuration:SRB-1..Bearer Id: 1 Bearer type: DCCH) 18 UE Capability Enquiry CUCP --> DU F1AP/NR RRC SRBID,rat-Type: nr,FreqBandInformation:bandInformationNR 19 UE Capability Information DU-->CUCP F1AP/NR RRC SRBID,rat-Type: nr,UE-NR-Capability:accessStratumRelease:rel15,pdcp-Parameters(supportedROHC- Profiles),rlc-Parameters,mac-Parameters,phy-Parameters,rf-Parameters:-bandNR,scs-15kHz, beamManagementSSB-CSI-RS,BandCombination,ims-Parameters:-voiceOverNR: supported
  2. 2. 20 UERadioCapabilityInfoIndication gNB-->AMF NGAP rat-Type: nr,accessStratumRelease: rel15,pdcp-Parameters (supportedROHC-Profiles),rlc- Parameters,mac-Parameters,phy-Parameters,rf-Parameters:-bandNR,scs- 15kHz,beamManagementSSB-CSI-RS,BandCombination,ims-Parameters:-voiceOverNR: supported 21 InitialContextSetupResponse gnb-->AMF NGAP successfulOutcome:InitialContextSetup,AMF-UE-NGAP-ID,RAN-UE-NGAP-ID 22 UERadioCapabilityCheckRequest AMF-->gNB NGAP AMF-UE-NGAP-ID,RAN-UE-NGAP-ID,rat-Type:nr,UE-NR-Capability,accessStratumRelease:rel15,pdcp- Parameters (supportedROHC-Profiles),rlc-Parameters,mac-Parameters,phy-Parameters,rf- Parameters:-bandNR,scs-15kHz,beamManagementSSB-CSI-RS,BandCombination,ims-Parameters:- voiceOverNR: supported 23 UERadioCapabilityCheckResponse gNB-->AMF NGAP successfulOutcome:UERadioCapabilityCheckResponse,AMF-UE-NGAP-ID,RAN-UE-NGAP-ID: 1,IMSVoiceSupportIndicator: supported (0) 24 DownlinkNASTransport, Registration accept AMF-->Gnb NGAP AMF-UE-NGAP-ID,RAN-UE-NGAP-ID,id: id-NAS-PDU,5GS registration result,5GS mobile identity - (5G-GUTI,PLMN+AMF Region Id,5G-TMSI) ,5GS tracking area identity list including PLMN+TAC,NSSAI - Configured NSSAI,5GS network feature support,PDU session status,GPRS Timer,5GS DRX parameters, 25 DL Information Transfer, Registration accept CUCP-->DU F1AP SRBID,id-NAS-PDU,5GS registration result,5GS mobile identity - (5G-GUTI,PLMN+AMF Region Id,5G- TMSI),5GS tracking area identity list including PLMN+TAC,NSSAI - Configured NSSAI,5GS network feature support,PDU session status,GPRS Timer,5GS DRX parameters, 26 UL Information Transfer, Registration complete DU-->CUCP F1AP PDCP-NR([Bearer type:DCCH+Bearer Id+Direction:Uplink+Plane:Signalling),UL-DCCH- Message:dedicatedNAS-Message,Non-Access-Stratum 5GS (NAS)PDU 27 UplinkNASTransport, Registration complete gNB-->AMF NGAP/NAS-5GS Non-Access-Stratum 5GS (NAS)PDU,id-UserLocationInformation including nRCGI(PLMN+nRcellIdentity) & TAI(PLMN+TAC) 28 UL Information Transfer, UL NAS transport, PDU session establishment request DU-->CUCP F1AP/NR RRC /NGAP/NAS-5GS PDCP-NR([Bearer type:DCCH+Bearer Id+Direction:Uplink+Plane:Signalling),UL-DCCH- Message:dedicatedNAS-Message,Non-Access-Stratum 5GS (NAS)PDU,Payload container,PDU session type,5GSM capability,Extended protocol configuration options,PDU session identity,Request type: Initial request 29 UplinkNASTransport, UL NAS transport, PDU session establishment request gNB-->AMF NGAP/NAS-5GS id-NAS-PDU,Non-Access-Stratum 5GS (NAS)PDU,Payload container,PDU session type,5GSM capability,Extended protocol configuration options,PDU session identity,Request type: Initial request 30 PDUSessionResourceSetupRequest, DL NAS transport, PDU session establishment accept AMF-->gNB NGAP/NAS-5GS pDUSessionID,Non-Access-Stratum 5GS (NAS)PDU,Payload container type,PDU session type,PDU address,QoS flow description 1 - 5QI(Parameter identifier: 5QI (1))5QI: PDU session identity: PDU session identity,transportLayerAddress,gTPTunnel(gTP-TEID),fiveQI: 9 31 BearerContextSetupRequest CUCP-->CUUP E1AP SecurityInformation(securityAlgorithm including cipheringAlgorithm: nEA0 + uPSecuritykey encryptionKey ,id-UEDLAggregateMaximumBitRate,BitRate,Serving PLMN-Identity,id-UE-Inactivity- Timer:Inactivity-Timer: 10s,pDU-Session-Type: ipv4 ,securityIndication:integrityProtectionIndication: not-needed & confidentialityProtectionIndication: not-needed,gTPTunnel,gTP-TEID,dRB-ID,sDAP-Configuration,pDCP-Configuration,cell-Group- ID,fiveQI: 9, 32 BearerContextSetupResponse CUUP-->CUCP E1AP pDU-Session-ID,gTPTunnel:gTP-TEID,DRB-Setup-Item-NG-RAN uP-TNL-Information: gTPTunnel(dRB- ID)qoS-Flow-Identifier: 9 33 UEContextSetupRequest CUCP-->DU F1AP NRCGI,ServCellIndex,UE-CapabilityRAT-Container,rat-Type: nr,UE-NR- Capability,accessStratumRelease: rel15,pdcp-Parameters,supportedROHC-Profiles,rlc- Parameters,mac-Parameters,phy-Parameters,rf-Parameters,bandNR: 71,BandCombination,ca- ParametersNR,ims-Parameters,voiceOverNR: supported,SRBs-ToBeSetup-Item,sRBID: 2, DRBs- ToBeSetup-List,dRBID: 1,fiveQI: 9,gTPTunnel,gTP-TEID..ServingPLMN id,
  3. 3. 34 UEContextSetupResponse DU-->CUCP F1AP CellGroupConfig,RLC-BearerConfig,srb-Identity:2,rlc-Config:am,servedRadioBearer: drb-Identity,drx- Config: setup,SchedulingRequestToAddMod,bsr-Config,phr-Config: setup,maxMIMO-Layers: 4,gTPTunnel,gTP-TEID, 35 BearerContextModificationRequest CUCP-->CUUP E1AP id-System-BearerContextModificationRequest,pDU-Session-ID,dRB-ID,dRB-To-Modify-List-NG- RAN,gTPTunnel,gTP-TEID cell-Group-ID 36 BearerContextModificationResponse CUUP-->CUCP E1AP uccessfulOutcome:BearerContextModificationResponse,Item 0: id-PDU-Session-Resource-Modified- List,pDU-Session-ID,DRB-Modified-Item-NG-RAN,dRB-ID: 1 37 RRC Reconfiguration, DL NAS transport, PDU session establishment accept AMF-->gNB F1AP/NR RRC /NGAP PDCP-NR [Direction:Downlink,Plane:Signalling,Bearer type:DCCH,Bearer Id: 1], DL-DCCH- Message,radioBearerConfig,srb-ToAddModList,srb-Identity: 2,drb-ToAddModList,sdap-Config,pdu- Session: 1,drb-Identity: 1,pdcp-Config,drb, headerCompression: notUsed,cipheringDisabled: true,measConfig-- >MeasObjectToAddMod,measObjectId,ssbFrequency:xxxxx,ReportConfigToAddMod,reportConfigId : 1,eventTriggered,eventId: eventA2 (1),eventA2(a2-Threshold: rsrp) reportConfigId: 2,eventA3,rsrp: 3.0dB (6),CellGroupConfig,RLC-BearerConfig,srb-Identity: 2,rlc-Config: am,servedRadioBearer: drb-Identity,drb-Identity: 1,mac-LogicalChannelConfig,drx-Config: setup (1),bsr-Config,maxMIMO-Layers: 4,DedicatedNAS-Message-->PDU address,S-NSSAI,Session-AMBRS- NSSAI,5QI: 9,PDU session identity 2 - PDU session ID 38 RRC Reconfiguration Complete DU-->CUCP F1AP/NR RRC SRBID: 1,PDCP-NR [Direction:Downlink,Plane:Signalling,Bearer type:DCCH,Bearer Id: 1],UL-DCCH- Message,rrcReconfigurationComplete 39 PDUSessionResourceSetupResponse gNB-->AMF NGAP pDUSessionID: 1,gTPTunnel,gTP-TEID: yyyyy,qosFlowIdentifier: 9 40 UEContextModificationRequest CUCP-->DU F1AP RRCReconfigurationCompleteIndicator: true, id-UEContextModification 41 UEContextModificationResponse DU-->CUCP F1AP F1AP-PDU:successfulOutcome,CellGroupConfig,cellGroupId: 0, 42 BearerContextInactivityNotification CUCP-->CUUP E1AP ActivityInformation: uE-Activity,uE-Activity: not-active 43 UEContextReleaseRequest gNB-->AMF NGAP pDUSessionID, Release-Cause, Cause: radioNetwork radioNetwork: user-inactivity (20) 44 UEContextReleaseCommand AMF-->gNB NGAP Release Cause: radioNetwork,radioNetwork: user-inactivity 45 RRC Release CUCP-->DU F1AP/ NR RRC Release Cause: radioNetwork,radioNetwork: normal-release (10), rrcRelease,SRBID: 1, PDCP-NR [Configuration: SRB-1 (direction=Downlink, plane=Signalling)] 46 UEContextReleaseComplete DU-->CUCP F1AP F1AP-PDU: successfulOutcome, 47 BearerContextReleaseCommand CUCP-->CUUP E1AP Release Cause: radioNetwork,radioNetwork: normal-release 48 BearerContextReleaseComplete CUUP-->CUCP E1AP E1AP-PDU: successfulOutcome:bearerContextRelease 49 UEContextReleaseComplete gNB-->AMF NGAP NGAP-PDU: successfulOutcome:UEContextRelease userLocationInformationNR including nR- CGI+nRCellIdentity, tAI including pLMNIdentity+tAC,PDUSessionResourceItemCxtRelCpl,pDUSessionID: 1

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