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UE NodeB RNC SGSNNBAP: Radio Link Setup Request
NBAP: Radio Link Setup Response
AAL2SIG: ERQ
AAL2SIG: ECF
NBAP: Synchronization Indication
RRC: 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)
RRC: 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 information
PS can also be OriginatingHighPrioritySgnallingAnd Registation (Only for Attach)
RRC messages information
RRC messages information
RRC messages information
SIM Card QoS profile
Release RRCConnection
Release RRC Connection
URA_PCH
CELL_DCH CELL_FACH
CELL_PCH
Establish RRCConnection
UTRA RRC Connected Mode
(UE camps on UTRAN cell)
Idle Mode
Available in Future
UMTS RRC States/Modes
UL/DL activation Timer:2 sec
Inactivity Timer:2 sec for PS DL/UL3842 sec for PS DL/UL1283 sec for PS DL/UL645 sec for PS DL/UL32
Traffic Volumes
MS activity supervision timer: 15 min
Transition Cell FACH Cell DCHIn UL direction the need for the capacity is detected by the MAC in UE
UL Traffic Volume Based RRC State Transition
Cell DCH and Upgrade to higher UL Bit Rate
Cell DCH andIIni/MinAllowed ULBit Rate
Cell FACH
In the DL the process and parameters value are the same
RRC messages information
UL Traffic volumes Low threshold information sent after RAB setup complete
RRC messages information
UE Buffer triggers Threshold for RAB Upgrade
RRC messages information
First RAB ReconfigurationDL 32Kbps(SF64)/ UL 32Kbps SF32)
RRC messages information
UL Traffic volumes High threshold information sent after RAB setup complete
RRC messages information
Second RAB ReconfigurationDL 384Kbps(SF8)/ UL 32Kbps SF32)
Maximum 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