UE NodeB RNC SGSN NBAP: 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) RANAP: Security Mode Command RRC: Security Mode Command RRC: Security Mode Complete RANAP: Security Mode Complete RANAP: Common ID MOC PS Message Flow L1 Synchronization RRC: RRC Connection Request (RACH) FP: Downlink Synch FP: Uplink Synch RRC: RRC Connection Setup Complete (DCH) RRC Connection Establishment – CELL DCH State RRC: RRC Connection Setup (FACH) [RRCconnRepTimer1/2(100ms,1s)] RNC checks if resources are available: BTS, AC, Transmission. If not it sends RRC Connection Reject L1 Synchronization
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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)
RANAP: Security Mode CommandRRC: Security Mode Command
RRC: Security Mode CompleteRANAP: Security Mode CompleteRANAP: Common ID
MOC PS Message Flow
L1 Synchronization
RRC: RRC Connection Request (RACH)
FP: Downlink SynchFP: Uplink Synch
RRC: RRC Connection Setup Complete (DCH)
RRC Connection Establishment – CELL DCH State
RRC: RRC Connection Setup (FACH) [RRCconnRepTimer1/2(100ms,1s)]
RNC checks if resources are available: BTS, AC, Transmission.If not it sends RRC Connection Reject
L1 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)
UE NodeB RNC SGSNMOS PS Message Flow
NBAP: Radio Link Reconfiguration Commit
RRC: Radio Bearer Reconfiguration
RRC: Radio Bearer Reconfiguration Complete
NBAP: Radio Link Reconfiguration Prepare
NBAP: Radio Link Reconfiguration Ready
RRC: Radio Bearer Setup
RRC: Radio Bearer Setup CompleteRANAP: RAB Assignment Response
RANAP: Direct Transfer(SM: Activate PDP Context Accept)RRC: Downlink Direct Transfer (SM: Activate PDP Context Accept)
RANAP: RAB Assignment Request
RRC: Measurement Control
RRC: Measurement Repor (Trafic Volume Reports 4a)
AAL2SIG: ERQAAL2SIG: ECF
RAB EstablishmentSRB + DCH 0/0
RL modification procedure:SRB+DCH, HW resources checked
Uplink & 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 Commit
NBAP: Radio Link Reconfiguration Prepare
NBAP: Radio Link Reconfiguration Ready
AAL2SIG: ERQAAL2SIG: ECF
RRC: Radio Bearer Release
RRC: 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)
UE NodeB RNC SGSN
RANAP: Iu Release Command
RANAP: Iu Release CompleteRRC: Radio Bearer Release Complete
NBAP: Radio Link Deletion Request
NBAP: Radio Link Deletion Response
AAL2SIG: REL (Release Request)AAL2SIG: RCL (Release Confirm)
MOS PS Message Flow
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
RRC messages information
Cell DCH Cell FACH
RRC messages information
Cell FACH Cell PCH
RRC messages information
Cell PCH Cell FACH
RRC messages information
Cell FACH Cell DCH
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