UENodeBRNCSGSNNBAP: Radio Link Setup RequestNBAP: Radio Link Setup ResponseAAL2SIG: ERQAAL2SIG: ECFNBAP: Synchronization IndicationRRC: Initial Direct Transfer (MM: Attach Request)RANAP: Initial UE Message MM: (Attach Request)RANAP: Direct Transfer (MM: GPRS Identity Request)RRC: Downlink Direct Transfer (MM: GPRS Identity Request)RRC: Uplink Direct Transfer (MM: GPRS Identity Response)RANAP: Direct Transfer (MM: GPRS Identity Response)RANAP: Direct Transfer (MM: Authentication & Ciphering Request)RRC: Downlink Direct Transfer (MM: Authentication & Ciphering Request)RRC: Uplink Direct Transfer (MM: Authentication & Ciphering Response)RANAP: Direct Transfer (MM: Authentication & Ciphering Response)RANAP: Security Mode CommandRRC: Security Mode CommandRRC: Security Mode CompleteRANAP: Security Mode CompleteRANAP: Common IDMOC PS Message FlowL1 SynchronizationRRC: RRC Connection Request (RACH)FP: Downlink SynchFP: Uplink SynchRRC: RRC Connection Setup Complete (DCH)RRC Connection Establishment CELL DCH StateRRC: RRC Connection Setup (FACH) [RRCconnRepTimer1/2(100ms,1s)]RNC checks if resources are available: BTS, AC, Transmission.If not it sends RRC Connection RejectL1 Synchronization

RANAP: Direct Transfer (MM: Attach Accept)RRC: Downlink Direct Transfer (MM: Attach Accept)RRC: Uplink Direct Transfer (MM: Attach Complete)RANAP: Direct Transfer (MM: Attach Complete)RRC: Uplink Direct Transfer (SM: Activate PDP Context Request)RANAP: Direct Transfer(SM: Activate PDP Context Request)UENodeBRNCSGSNMOS PS Message FlowNBAP: Radio Link Reconfiguration CommitRRC: Radio Bearer ReconfigurationRRC: Radio Bearer Reconfiguration CompleteNBAP: Radio Link Reconfiguration PrepareNBAP: Radio Link Reconfiguration ReadyRRC: Radio Bearer SetupRRC: Radio Bearer Setup CompleteRANAP: RAB Assignment ResponseRANAP: Direct Transfer(SM: Activate PDP Context Accept)RRC: Downlink Direct Transfer (SM: Activate PDP Context Accept)RANAP: RAB Assignment RequestRRC: Measurement ControlRRC: Measurement Report (Trafic Volume Reports 4a)AAL2SIG: ERQAAL2SIG: ECFRAB EstablishmentSRB + DCH 0/0RL modification procedure:SRB+DCH, HW resources checkedUplink & Downlink Data Transfer

RRC: Uplink Direct Transfer (SM: Deactivate PDP Context Request)RANAP: Direct Transfer (SM: DeactivatePDP Context Request)RANAP: Direct Transfer(SM: Deactivate PDP Context Accept)RRC: Downlink Direct Transfer (SM: Deactivate PDP Context Accept)NBAP: Radio Link Reconfiguration CommitNBAP: Radio Link Reconfiguration PrepareNBAP: Radio Link Reconfiguration ReadyAAL2SIG: ERQAAL2SIG: ECFRRC: Radio Bearer ReleaseRRC: Uplink Direct Transfer (MM: Detach Request)RANAP: Direct Transfer (MM: Detach Request)RANAP: Direct Transfer (MM: Detach Accept)RRC: Downlink Direct Transfer (MM: Detach Accept)UENodeBRNCSGSNRANAP: Iu Release CommandRANAP: Iu Release CompleteRRC: Radio Bearer Release CompleteNBAP: Radio Link Deletion RequestNBAP: Radio Link Deletion ResponseAAL2SIG: REL (Release Request)AAL2SIG: RCL (Release Confirm)MOS PS Message FlowRRC: Downlink Direct Transfer (CC: RRC Connection Release)RRC: Uplink Direct Transfer (CC: RRC Connection Release Complete)RRC: Uplink Direct Transfer (CC: RRC Connection Release Complete)RRC: Uplink Direct Transfer (CC: RRC Connection Release Complete)ALCAP: ERQ (Release Request)ALCAP: ERQ (Release Response)

RRC messages informationPS can also be OriginatingHighPrioritySgnallingAnd Registration (Only for Attach)

RRC messages information

RRC messages information

RRC messages informationSIM Card QoS profile

Release RRCConnectionRelease RRC ConnectionURA_PCHCELL_DCHCELL_FACHCELL_PCHEstablish RRCConnectionUTRA RRC Connected Mode(UE camps on UTRAN cell)Idle ModeAvailable in FutureUMTS RRC States/ModesUL/DL activation Timer:2 secInactivity Timer:2 sec for PS DL/UL3842 sec for PS DL/UL1283 sec for PS DL/UL645 sec for PS DL/UL32Traffic VolumesMS activity supervision timer: 15 min

Transition Cell FACH Cell DCH

In UL direction the need for the capacity is detected by the MAC in UE

UL Traffic Volume Based RRC State TransitionCell DCH and Upgrade to higher UL Bit RateCell DCH andIIni/MinAllowed ULBit Rate Cell FACHIn the DL the process and parameters value are the same

RRC messages informationUL Traffic volumes Low threshold information sent after RAB setup complete

RRC messages informationUE Buffer triggers Threshold for RAB Upgrade

RRC messages informationFirst RAB ReconfigurationDL 32Kbps(SF64)/ UL 32Kbps SF32)

RRC messages informationUL Traffic volumes High threshold information sent after RAB setup complete

RRC messages informationMaximum DL bit rate for PS domain NRT data = 384 KbpsMaximum UL bit rate for PS domain NRT data = 64 KbpsInitial and minimum allowed bit rate in downlink = 32 KbpsInitial and minimum allowed bit rate in uplink = 32 Kbps

RRC messages informationCell DCH Cell FACH

RRC messages informationCell FACH Cell PCH

RRC messages informationCell PCH Cell FACH

RRC messages informationCell FACH Cell DCH