LTE-释放-CAUSE-值

ZTE中兴秘密ProprietaryConfidential▲3GPP36.413无线释放CAUSE编号RadioNetworkLayercause0Unspecified1TX2RELOCOverall2SuccessfulHandover3ReleaseduetoE-UTRANgeneratedreason4HandoverCancelled5PartialHandover6HandoverFailureInTargetEPC/eNBOrTargetSystem7HandoverTargetnotallowed8TS1RELOCoverallExpiry9TS1RELOCprepExpiry10Cellnotavailable11UnknownTargetID12Noradioresourcesavailableintargetcell13UnknownoralreadyallocatedMMEUES1APID14UnknownoralreadyallocatedeNBUES1APID15UnknownorinconsistentpairofUES1APID16HandoverDesirableforRadioReasons17TimeCriticalHandover18ResourceOptimisationHandover19ReduceLoadinServingCell20UserInactivity21RadioConnectionWithUELost本文中的所有信息均为中兴通讯股份有限公司内部信息，未经允许，不得外传共7页,第1页ZTE中兴秘密ProprietaryConfidential▲22LoadBalancingTAURequired23CSFallbacktriggered24UENotAvailableforPSService25Radioresourcesnotavailable26InvalidQoScombination27Inter-RATRedirection28FailureintheRadioInterfaceProcedure29Interactionwithotherprocedure30UnknownE-RABID31MultipleE-RABIDInstances32Encryptionand/orintegrityprotectionalgorithmsnotsupported33S1IntrasystemHandovertriggered34S1IntersystemHandovertriggered35X2Handovertriggered36Redirectiontowards1xRTT37NotsupportedQCIValue38InvalidCSGIdTransportLayercause编号TransportLayercause0TransportResourceUnavailable1Unspecified本文中的所有信息均为中兴通讯股份有限公司内部信息，未经允许，不得外传共7页,第2页ZTE中兴秘密ProprietaryConfidential▲NAScause编号NAScause0NormalRelease1AuthenticationFailure2Detach3Unspecified4CSGSubscriptionExpiryProtocolcause编号Protocolcause0TransferSyntaxError1AbstractSyntaxError(Reject)2AbstractSyntaxError(IgnoreAndNotify)3MessageNotCompatibleWithReceiverState4SemanticError5AbstractSyntaxError(FalselyConstructedMessage)6UnspecifiedMiscellaneouscause编号Miscellaneouscause0ControlProcessingOverload1NotEnoughUserPlaneProcessingResourcesAvailable2HardwareFailure3O&MIntervention4UnspecifiedFailure5UnknownPLMNRRCEstablishmentCause编号IEtypeandreference0ENUMERATED(emergency,1highPriorityAccess,2mt-Access,3mo-Signalling,4mo-Data,…,delayTolerantAccess)本文中的所有信息均为中兴通讯股份有限公司内部信息，未经允许，不得外传共7页,第3页ZTE中兴秘密ProprietaryConfidential▲MeaningSentforradionetworklayercausewhennoneofthespecifiedcausevaluesappliesExpiryThetimerguardingthehandoverthattakesplaceoverX2hasabnormallyexpired.Successfulhandover.ReleaseisinitiatedduetoE-UTRANgeneratedreason.ThereasonfortheactioniscancellationofHandoverProvidesareasonforthehandovercancellation.TheHANDOVERCOMMANDmessagefromMMEcontainedERABstoReleaseListIEandthesourceeNBestimatedservicecontinuityfortheUEwouldbebetterbynotproceedingwithhandovertowardsthisparticulartargeteNB.ThehandoverfailedduetoafailureintargetEPC/eNBortargetsystem.HandovertotheindicatedtargetcellisnotallowedfortheUEinquestion.ThereasonfortheactionisexpiryoftimerTS1RELOCoverall.HandoverPreparationprocedureiscancelledwhentimerTS1RELOCprepexpires.Theconcernedcellisnotavailable.HandoverrejectedbecausethetargetIDisnotknowntotheEPC.Loadontargetcellistoohigh.TheactionfailedbecausetheMMEUES1APIDiseitherunknown,or(forafirstmessagereceivedattheeNB)isknownandalreadyallocatedtoanexistingcontext.TheactionfailedbecausetheeNBUES1APIDiseitherunknown,or(forafirstmessagereceivedattheMME)isknownandalreadyallocatedtoanexistingcontext.TheactionfailedbecausebothUES1APIDsareunknown,orareknownbutdonotdefineasingleUEcontext.Thereasonforrequestinghandoverisradiorelated.handoverisrequestedfortimecriticalreasoni.e.,thiscausevalueisreservedtorepresentallcriticalcaseswheretheconnectionislikelytobedroppedifhandoverisnotperformed.Thereasonforrequestinghandoveristoimprovetheloaddistributionwiththeneighbourcells.Loadonservingcellneedstobereduced.TheactionisrequestedduetouserinactivityonallE-RABs,e.g.,S1isrequestedtobereleasedinordertooptimisetheradioresources.TheactionisrequestedduetoloosingtheradioconnectiontotheUE.本文中的所有信息均为中兴通讯股份有限公司内部信息，未经允许，不得外传共7页,第4页ZTE中兴秘密ProprietaryConfidential▲TheactionisrequestedforallloadbalancingandoffloadcasesintheMME.TheactionisduetoaCSfallbackthathasbeentriggered.WhenitisincludedinUECONTEXTRELEASEREQUESTmessage,itindicatesthePSservicesuspensionisnotrequiredintheEPC.TheactionisrequestedduetoaCSfallbacktoGERANthathasbeentriggered.WhenitisincludedintheUECONTEXTRELEASEREQUESTmessage,itindicatesthatthePSservicesuspensionisrequiredintheEPCduetothetargetGERANcellortheUEhasnoDTMcapability.NorequestedradioresourcesareavailableTheactionwasfailedbecauseofinvalidQoScombination.Thereleaseisrequestedduetointer-RATredirection.WhenitisincludedinUECONTEXTRELEASEREQUESTmessage,itindicatesthePSservicesuspensionisnotrequiredintheEPC.RadiointerfaceprocedurehasfailedTheactionisduetoanongoinginteractionwithanotherprocedureTheactionfailedbecausetheE-RABIDisunknownintheeNBTheactionfailedbecausemultipleinstanceofthesameERABhadbeenprovidedtotheeNBTheeNBisunabletosupportanyoftheencryptionand/orintegrityprotectionalgorithmssupportedbytheUE.TheactionisduetoaS1intrasystemhandoverthathasbeentriggered.TheactionisduetoaS1intersystemhandoverthathasbeentriggered.TheactionisduetoanX2handoverthathasbeentriggered.ThereleaseoftheUE-associatedlogicalS1connectionisrequested