Transcription of LTE X2 Handover Messaging - EventHelix.com
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LTE X2 Handover Messaging - EventHelix.com
Design with sequence diagrams telecom systems engineering object oriented designLTE X2 Handover Messaging 2013 Rights design with sequence diagrams telecom systems engineering object oriented designLTE X2 Handover Sequence Diagram 2013 eNodeBMMEUEX2AP Handover Request AcknowledgeSGWX2AP Handover RequestSource eNodeBX2AP SN Transfer StatusS1AP Path Switch RequestModify Bearer RequestModify Bearer ResponseS1AP Path Switch AcknowledgeX2AP UE Context ReleaseTracking Area Update RequestTracking Area Update ResponseHandover CommandHandover ConfirmBegin forwarding downlink data from source to destination eNodeBMarks the end for design with sequence diagrams telecom systems engineering object oriented designSource eNodeB Target eNodeBX2AP Handover RequestX2AP Handover Request (Initiating Message)Old eNB UE X2AP IdCauseHandover desired for radio reasonsTarget Cell IdPLMN IdentityeUTRAN Cell IdentifierGUMMEI IdGU Group IdPLMN IdMME Group IdMME CodeUE Context InformationMME UE S1AP IDUE Security CapabilitiesAS Security InformationKey eNBeRABs to be Setup ListeRAB 0eRAB IdeRAB Level QoSParametersQCIUL GTP Tunnel EndpointTransport Layer AddressGTP N-1 RRC Context eNodeB decides to initiate an X2 Handover based on: UE reported RRC downlink signal quality measurements Uplink signal quality measured at the eNodeB
EventHelix.com •design with sequence diagrams •telecom systems engineering •object oriented design Source eNodeB Target eNodeB X2AP Handover Request
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