EpcUeNas
LteUeRrc
LteEnbRrc
ForceCampedOnEnb (CellId)
Connect
RRC Connection Request
RRC Connection Reconfiguration
initial UE message
EpcEnbApplication
EpcSgwPgwApplication
EpcMme
S11 CREATE SESSION
S1-AP INITIAL CONTEXT SETUP (bearers to be created)
S1-AP INITIAL CONTEXT SETUP RESPONSE
DataRadioBearerSetupRequest
S1-AP INITIAL UE MESSAGE
store IMSI->eNB UE id (RNTI) mapping
setup S1-U bearers
S11 CREATE SESSION RESPO …
setup S1-U bearers
setup data radio bear ers
setup data radio bear ers
RRC Connection Reconfiguration Comple ted