pscallsetup
DESCRIPTION
PSCallSetupTRANSCRIPT
For internal use1 © Nokia Siemens Networks 20090119
PS Call SetupPS Call Setup
20092009--0101--1919
For internal use2 © Nokia Siemens Networks 20090119
PS Call Setup• Attach And Detach
• PDP Context Activation
• Iu-CS VS Iu-PS
• Encryption
For internal use3 © Nokia Siemens Networks 20090119
PMM and SM State
Detached
Connect
Idle
Inactive
Active
SM StatePMM State
ONAttach
OFFDetach
“Iu Release”Command
Message
PDP Context
Activation
PDP Context
Deactivation
For internal use4 © Nokia Siemens Networks 20090119
GPRS Attach
UEATTACH REQUEST ( )
(Identification Procedure)
Authentication and Ciphering Procedure
ATTACH ACCEPT ( )
e.g. new TMSIor P-TMSI
ATTACH COMPLETE ( )
3G-SGSN
For internal use5 © Nokia Siemens Networks 20090119
Radio Bearer Setup
UE Initiated PDP Context Activation
UE
3G-SGSN
GGSNACTIVATE PDP CONTEXT REQUEST ( )
ACTIVATE PDP CONTEXT ACCEPT ( )
CREATE PDP CONTEXT REQUEST
CREATE PDP CONTEXT RESPONSE
UPDATE PDP CONTEXT REQUEST
UPDATE PDP CONTEXT RESPONSE
For internal use6 © Nokia Siemens Networks 20090119
PDP Context Activation
Protocol discriminator
Requested QoS
Requested LLC SAPI
Transaction indicator
Activate PDP contextrequest message ID
Requested PDP address
Access Point Name OP
Requested NSAPI
Protocol configurationoptions
01000001: Activate PDP context request
OP
1010: GPRS session management messages
• Delay class• Reliability class• Precedence class• Mean and peak throughput class• Maximum UL/DL bit rate• Transfer delay• Guaranteed UL/DL bit rate• Residual BER• Delivery order• etc.
UE 3G-SGSN
ACTIVATE PDP CONTEXT REQUEST ( )
For internal use7 © Nokia Siemens Networks 20090119
PDP Context Activation
Protocol discriminator
Negotiated QoS
Negotiated LLC SAPI
Transaction indicatorActivate PDP contextrequest message ID
PDP address
Packet Flow Identifier
OPProtocol configuration
options
OP
Radio priority
Spare half octet
OP
1010: GPRS session management messages
01000010: Activate PDP context accept
Not required in UMTS, but transmitted tosupport UMTS – GPRS cell reselection
UE 3G-SGSN
ACTIVATE PDP CONTEXT ACCEPT ( )
For internal use8 © Nokia Siemens Networks 20090119
Iu-CS VS Iu-PS Call Setup
RRC
ServiceReq
Security Mode Command
For internal use9 © Nokia Siemens Networks 20090119
RAB Establishment Iu-CS VS Iu-PS
For non-real time services, the radio access bearer is created without immediately reserving radio resources
RAB
Iu-CS Iu-PS
PDP Context Activation
For internal use10 © Nokia Siemens Networks 20090119
RAB Assignment Iu-CS VS Iu-PSIu-PS RAB-ASSIGNMENT REQUEST
RANAP-PDUinitiatingMessage
- procedureCode: 0- criticality: reject
initiatingMessageRAB-AssignmentRequestprotocolIEs
- id: 54- criticality: ignore
RAB-SetupOrModifyList- id: 53- firstCriticality: reject
firstValue- rAB-ID: '00000101'BrAB-Parameters
- trafficClass: background- rAB-AsymmetryIndicator: symmetric-bidirectional
maxBitrate- MaxBitrate: 128000
- deliveryOrder: delivery-order-not-requested- maxSDU-Size: 12016
sDU-ParametersresidualBitErrorRatio
- mantissa: 1- exponent: 5
Iu-CS RAB-ASSIGNMENT REQUEST
RANAP-PDUinitiatingMessage
- procedureCode: 0- criticality: reject
initiatingMessageRAB-AssignmentRequest
protocolIEs- id: 54- criticality: ignore
RAB-SetupOrModifyList- id: 53- firstCriticality: reject
firstValue- rAB-ID: '00000001'BrAB-Parameters
- trafficClass: conversational- rAB-AsymmetryIndicator: symmetric-bidirectional
maxBitrate- MaxBitrate: 12200
guaranteedBitRate- GuaranteedBitrate: 4750
- deliveryOrder: delivery-order-requested- maxSDU-Size: 244
sDU-ParameterssDU-ErrorRatio
- mantissa: 7- exponent: 3
Bit rate
For internal use11 © Nokia Siemens Networks 20090119
RAB Assignment Iu-CS VS Iu-PSIu-PS residualBitErrorRatio
- mantissa: 1- exponent: 5
- deliveryOfErroneousSDU: no-error-detection-considerationallocationOrRetentionPriority
- priorityLevel: 2- pre-emptionCapability: shall-not-trigger-pre-emption- pre-emptionVulnerability: pre-emptable- queuingAllowed: queueing-not-allowed
- relocationRequirement: none
Iu-CS residualBitErrorRatio
- mantissa: 1- exponent: 6
- deliveryOfErroneousSDU: yessDU-FormatInformationParameters
- subflowSDU-Size: 81: :
residualBitErrorRatio- mantissa: 1- exponent: 3
- deliveryOfErroneousSDU: no-error-detection-considerationsDU-FormatInformationParameters
- subflowSDU-Size: 103: :
residualBitErrorRatio- mantissa: 5- exponent: 3
- deliveryOfErroneousSDU: no-error-detection-considerationsDU-FormatInformationParameters
- subflowSDU-Size: 60: :
- transferDelay: 80- sourceStatisticsDescriptor: speech
For internal use12 © Nokia Siemens Networks 20090119
RAB Assignment Iu-CS VS Iu-PSIu-PS
userPlaneInformation- userPlaneMode: transparent-mode- uP-ModeVersions: '0000000000000001'B
transportLayerInformation- transportLayerAddress: '00001010001110100001010100000101'B
- -extension range: 0
- length (in bits): 00011111 - padding: 00000 - contents: 0A 3A 52 0C
iuTransportAssociation- gTP-TEI: '3C000000'H
- service-Handover: handover-to-GSM-should-not-be-performed- secondCriticality: ignore
secondValuepDP-TypeInformation
- PDP-Type: ipv4- PDP-Type: ipv4
- dataVolumeReportingIndication: do-not-report
Iu-CS
userPlaneInformation- userPlaneMode: support-mode-for-predefined-SDU-sizes- uP-ModeVersions: '0000000000000001'B
transportLayerInformation- transportLayerAddress:
'01000101000000000000000000000110011000011000000110010000000100010001111100000000000 0000000000000000000000000000000000000000000000000000000000000000000000000000 0'B
- extension range: 0 - length (in bits): 10011111 - padding: 000000 - contents
45 00 00 06 61 81 90 11 1F 00 00 00 00 00 00 00 00 00 00 00
iuTransportAssociation- bindingID: '01025550'H
- secondCriticality: ignoresecondValue
Tunnel Unit (TU) of SGSNi.e. 10.58.82.12
Tunnel EndpointMGW A2EA
For internal use13 © Nokia Siemens Networks 20090119
Encryption off and Encryption on
Encryption setting in 3G SGSN
For internal use14 © Nokia Siemens Networks 20090119
Encryption off Encryption on
User Data can not be decoded
For internal use15 © Nokia Siemens Networks 20090119
Encryption off Encryption on
For internal use16 © Nokia Siemens Networks 20090119
Iu-PS Attach (1/2)UE RNC
RRC Connection Setup
GMM : Identity RequestRANAPRANAP
Identity Request (GMM)RRC RRC
SGSN Node-B
Initial Direct Transfer
Attach Request GMMRRC RRC
Initial UE Message
Attach Request GMMRANAPRANAP
Identity Response (GMM)RRC RRC
RANAPRANAPGMM: Identity Response
For internal use17 © Nokia Siemens Networks 20090119
Iu-PS Attach (2/2)UE RNC
RRC Connection Setup
GMM: Authentication & Ciphering Request RANAPRANAP
GMM: Authentication & Ciphering RequestRRC RRC
SGSN Node-B
RRC RRC
RANAPRANAP
GMM: Authentication & Ciphering Response
GMM: Authentication & Ciphering Response
GMM: Attach Accept RANAPRANAP
GMM: Attach AcceptRRC RRC
RRC RRC
RANAPRANAP
GMM: Attach Complete
GMM: Attach Complete
Security Mode Command
Common IDRANAPRANAP
For internal use18 © Nokia Siemens Networks 20090119
THANKS!