3g Call Flow Ps 47292y

MOC PS Message Flow UERRC: RRC Connection Request (RACH) NodeB

RNC

RNC checks if resources are available: BTS, AC, Transmission. If not it sends RRC Connection Reject

NBAP: Radio Link Setup Request NBAP: Radio Link Setup Response AAL2SIG: ERQ AAL2SIG: ECF FP: Downlink Synch FP: Uplink Synch RRC: RRC Connection Setup (FACH)

SGSN

L1 Synchronization

[RRCconnRepTimer1/2(100ms,1s)]

L1 Synchronization NBAP: Synchronization Indication RRC: RRC Connection Setup Complete (DCH)

RRC Connection Establishment – CELL DCH State RRC: Initial Direct Transfer (MM: Attach Request) RANAP: Initial UE Message MM: (Attach Request) RRC: Downlink Direct Transfer (MM: GPRS Identity Request) RRC: Uplink Direct Transfer (MM: GPRS Identity Response)

RANAP: Direct Transfer (MM: GPRS Identity Request)

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: Security Mode Command

RANAP: Security Mode Command

RRC: Security Mode Complete RANAP: Security Mode Complete RANAP: Common

MOS PS Message Flow UE

NodeB

RNC

RRC: Downlink Direct Transfer (MM: Attach Accept)

RANAP: Direct Transfer (MM: Attach Accept)

SGSN

RRC: Uplink Direct Transfer (MM: Attach Complete)

RRC: Uplink Direct Transfer (SM: Activate PDP Context Request)

RANAP: Direct Transfer (MM: Attach Complete) RANAP: Direct Transfer (SM: Activate PDP Context Request)

RRC: Radio Bearer Setup RRC: Radio Bearer Setup Complete

RAB Establishment SRB + DCH 0/0

RRC: Measurement Control RRC: Downlink Direct Transfer (SM: Activate PDP Context Accept)

RANAP: RAB Assignment Request RANAP: RAB Assignment Response RANAP: Direct Transfer (SM: Activate PDP Context Accept)

RRC: Measurement Repor (Trafic Volume Reports 4a)

Indication to transmit or receive data

NBAP: Radio Link Reconfiguration Prepare NBAP: Radio Link Reconfiguration Ready AAL2SIG: ERQ AAL2SIG:

RL modification procedure: SRB+DCH, HW resources checked

ECF NBAP: Radio Link Reconfiguration Commit

RRC: Radio Bearer Reconfiguration RRC: Radio Bearer Reconfiguration Complete

Uplink & Downlink Data Transfer

MOS PS Message Flow UE

NodeB

RNC

SGSN

RRC: Uplink Direct Transfer (SM: Deactivate PDP Context Request) RANAP: Direct Transfer (SM: Deactivate PDP Context Request) RANAP: Direct Transfer (SM: Deactivate PDP Context RRC: Downlink Direct Transfer (SM: Deactivate PDP Context Accept) Accept) NBAP: Radio Link Reconfiguration Prepare NBAP: Radio Link Reconfiguration Ready AAL2SIG: ERQ AAL2SIG:

ECF NBAP: Radio Link Reconfiguration Commit RRC: Uplink Direct Transfer (MM: Detach Request)

RANAP: Direct Transfer (MM: Detach Request)

RRC: Radio Bearer Release RRC: Downlink Direct Transfer (MM: Detach Accept)

RANAP: Direct Transfer (MM: Detach Accept) RANAP: Iu Release Command RANAP: Iu Release Complete

RRC: Radio Bearer Release Complete RRC: RRC Connection Release RRC: RRC Connection Release Complete RRC: RRC Connection Release Complete RRC: RRC Connection Release Complete NBAP: Radio Link Deletion Request NBAP: Radio Link Deletion Response AAL2SIG: REL (Release Request) AAL2SIG: RCL (Release Confirm)

RRC messages information

PS can also be Originating High Priority Signalling And Registration (Only for Attach)

RRC messages information

RRC messages information

RRC messages information

SIM Card QoS profile

UMTS RRC States/Modes Available in Future

UTRA RRC Connected Mode URA_PCH

Perform updates i.e cell reselection

Traffic Volumes

In this state only when required to transmit/rec eive data

Release RRC Connection

CELL_DCH

RADIO BEARER RECONFIGURATION

Inactivity Timer: 2 sec for PS DL/UL384 2 sec for PS DL/UL128 3 sec for PS DL/UL64 5 sec for PS DL/UL32 Establish RRC Connection

(UE camps on UTRAN cell)

Idle Mode

CELL_PCH PHYSICAL CHANNEL RECONFIG

CELL_FACH

UL/DL activation Timer: 2 sec In this state only when required to transmit/receive small amount of data/sugnal

MS activity supervision timer: 15 min Release RRC Connection

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 Transition

THRESHOLD 8 (THD8) Cell DCH and higher UL Bit Rate

Cell DCH andIIni/MinAllowed UL Bit Rate Cell FACH

2S

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 Reconfiguration DL 32Kbps(SF64)/ UL 32Kbps SF32)

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

RRC messages information Maximum DL bit rate for PS domain NRT data = 384 Kbps Maximum UL bit rate for PS domain NRT data = 64 Kbps Initial and minimum allowed bit rate in downlink = 32 Kbps Initial and minimum allowed bit rate in uplink = 32 Kbps Second RAB Reconfiguration DL 384Kbps(SF8)/ UL 32Kbps SF32)

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