Transcript Figure 1: Control Plane Initial Attach Procedure + Default

UE
eNB
MME
HSS
S+P-GW
BCCH System Information
RRC
RRC
PRACH: RACH preamble
MAC
Random Access
MAC
DL-SCH: RACH response
MAC
MAC
UL-SCH: RRC Connection Request
(Initial UE identity, Cause)
RRC
RRC
DL-SCH: RRC Connection Setup
(SRB1 parameter)
RRC
RRC Connection Establishment
RRC
UL-SCH: RRC Connection Setup Complete
(NAS: EMM attach request
+ ESM PDN connectivity request)
RRC
RRC
Initial UE message
(NAS: EMM attach request
+ ESM PDN connectivity request)
eNB-UE-S1AP-ID
S1AP
S1AP
Downlink NAS Transport
(NAS: Identify request)
S1AP
S1AP
DL-SCH*: DL Information Transfer
(NAS: Identify Request)
RRC
Identification Procedure
(Used when the UE is connecting for
the first time and has no valid GUTI)
RRC
UL-SCH*: UL Information Transfer
(NAS: Identify Response
RRC
RRC
Uplink NAS Transport
(NAS: Identify response)
S1AP
S1AP
Authentication Info Request
(IMSI)
S6A
Authentication Info Answer
(E-UTRAN vector:
RAND, XRES, AUTN, KASME)
S6A
S6A
S6A
Downlink NAS Transport
+ NAS: Authentication Request
S1AP
S1AP
Authentication procedure
DL-SCH*: DL Information Transfer
+ NAS: Authentication Request
RRC
RRC
UL-SCH*: UL Information Transfer
+ NAS: Authentication Response
RRC
RRC
Uplink NAS Transport
+ NAS: Authentication Response
S1AP
S1AP
Update Location Request
(IMSI, PLMN)
S6A
Update Location Answer
(APN, QCI, MSISDN, AMBR
Mobile IP address)
S6A
S6A
S6A
EPC Bearer Creation (S11 abstraction)
Create Session Request
(EBI, APN, Mobile IP address
AMBR, CSGI)
S11
S11
Create Session Response
(S-GW TEID)
S11
S1AP
Initial Context Setup Request
(NAS: EMM attach accept
+ ESM Activate default bearer req)
+ Bearer params(e-RAB id, S-GW TEID)
+ MME-UE-S1AP-ID
S11
S1AP
DL-SCH: Security Mode Command
(Security Configuration)
RRC
RRC
UL-SCH: Security Mode Complete
RRC
RRC
DL-SCH: UE Capability Enquiry
RRC
RRC
Initial Context Setup
UL-SCH: UE Capability Information
RRC
RRC
UE Capability Info Indication
S1AP
S1AP
DL-SCH: RRC Connection Reconfiguration
(Bearer Setup + NAS EMM Attach Accept
+ ESM Activate default bearer req)
RRC
RRC
UL-SCH: RRC Connection
Reconfiguration Complete
RRC
RRC
Initial Context Setup Response
(eNB TEID)
S1AP
S1AP
UL-SCH*: UL Information Transfer
(NAS: EMM attach complete
+ ESM Activate default bearer resp)
RRC
RRC
Uplink NAS Transport + NAS
+ (S1-U eNB TEID)
S1AP
Default EPS bearer activation
S1AP
Modify Bearer Request
(S1-U eNB TEID)
S11
S11
Modify Bearer Response
S11
S1AP
RRC
DL-SCH*: DL Information Transfer
+ NAS: EMM Information
LTE Active
Downlink NAS Transport
+ NAS: EMM Information
S11
S1AP
RRC
RRC Connected
LTE Active
EPC bearer active
Figure 1: Control Plane Initial Attach Procedure + Default Bearer Creation
Optional procedure
*
Sent on SRB1 if SRB2 is not established yet
Abstraction link
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New Data Indication
Send Data Req
IN Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
MME application or default MME
parameter
S1AP provided parameter
NAS provided parameter
HSS provided parameter
S+P-GW provided parameter
SCTP provided parameter
Optional parameter
S1AP
NAS
S6A
S11
SCTP
Optional
IN Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
New Data Indication
IN Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
New Data Indication
OUT Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
Send Data Req
IN Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
New Data Indication
OUT Stream, Association ID, Payload, Payload Length
MME
SCTP
Initial UE message
NAS
eNB UE S1AP ID, MME UE S1AP ID,
E-RAB: ID, Tranport Address, GTP-TEID
Authentication Information Answer
PLMN Id, IMSI,
Destination Host, Destination Realm
Supported Features, Number of vectors=1,
Immediate Response
Authentication Information Request
Used only when UE context is not known in MME
S6A
Skip subscriber data flag set when MME already knows UE APN Configuration
Result
EBI, Cause, S1 SGW F-TEID
Modify Bearer Response
EBI,
S1-U eNB (TEID + Address)
Modify Bearer Request
Bearer Creation Result
PAA, APN-AMBR, QoS, TFT, EBI
S1-U S-GW TEID, S-GW Address
Create Session Response
IMSI, RAT Type, Initial Attach, UE time zone
ECGI, TAI, CSG Id
APN, PDN type, Selection Mode, PAA, APN-AMBR
Bearer to create<1>: EBI, QOS, S-GW F-TEID, TFT
Create Session Request
Result Code = DIAMETER SUCCESS, Subscription Data:
{ Subscriber Status, Network Access Mode, RAU TAU timer
AMBR, MSISDN, APN Configuration Profile
[Default-APN Id, APN-Configuration<1:n>(UE IP<0:2>,
Service Selection, QOS profile, APN-AMBR,
PDN GW address)]}
Update Location Answer
IMSI, Initial Attach, RAT Type, UE SRVCC Capability
Terminal Information: IMEISV
PLMN Id
Supported Features
S6A flag, Don’t skip subscriber data
Update Location Request
Result Code, Supported Features
E-UTRAN Vector: RAND, XRES, AUTN, KASME
MME APP
Figure 2: MME detailed behaviour: Default Bearer Creation
Default Bearer Creation Result(UE side)
Attach Complete
Attach Accepted + Default Bearer
Authentication Response
This procedure should be initiated only when
UE is not authenticated or for an initial attach
Authentication Request
eNB UE S1AP ID, MME UE S1AP ID,
UE Radio Capability
Initial Context Setup Response
Attach Request
Default APN: NULL, UE network cap,
EPS attach type, KSI, GUTI, IMEI, IMSI
Request type: Initial, PDN Type
UE Capability Indication
NAS PDU, eNB UE S1AP ID, MME UE S1AP ID
AMBR, APN-AMBR, QoS, S-GW Address,
S1-U S-GW TEID, KeNB
security cap (encryption/integrity)
Initial Context Setup Request
eNB UE S1AP ID, MME UE S1AP ID,
NAS PDU, E-CGI, TAI
Uplink NAS Transport
eNB UE S1AP ID, MME UE S1AP ID, NAS PDU
Downlink NAS transport
eNB UE S1AP ID, MME UE S1AP ID, NAS PDU, TAI
RRC Establishment Cause, E-UTRAN CGI, Current time
S-TMSI, CSG Id, GUMMEI, Cell Access Mode,
GW Transport Layer Address, Relay Node Indicator
S1AP
S+P-GW APP
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New Data Indication
Send Data Req
IN Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
New Data Indication
Send Data Req
IN Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
OUT Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
Send Data Req
IN Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
New Data Indication
OUT Stream, Association ID, Payload, Payload Length
SCTP
OUT Stream, Association ID, Payload, Payload Length
SCTP
Initial UE message
NAS
Initial UE message
NAS
Diameter to NAS mapped cause value
(See 3GPP TS 29.272 Table A.1)
Failure Indication
Result Code 6= DIAMETER SUCCESS
Authentication Information Answer
PLMN Id, IMSI,
Destination Host, Destination Realm
Supported Features, Number of vectors=1,
Immediate Response
Authentication Information Request
Attach Request
Diameter to NAS mapped cause value
(See 3GPP TS 29.272 Table A.1)
Failure Indication
Authentication Response
Authentication Request
Default APN: NULL, UE network cap,
EPS attach type, KSI, GUTI, IMEI, IMSI
Request type: Initial, PDN Type
Result Code 6= DIAMETER SUCCESS
Update Location Answer
IMSI, Initial Attach, RAT Type, UE SRVCC Capability
Terminal Information: IMEISV
PLMN Id
Supported Features, Destination Host/Realm
S6A flag, Don’t skip subscriber data
Update Location Request
Result Code, Supported Features
E-UTRAN Vector: RAND, XRES, AUTN, KASME
Authentication Information Answer
PLMN Id, IMSI,
Destination Host, Destination Realm
Supported Features, Number of vectors=1,
Immediate Response
Authentication Information Request
MME APP
Figure 4: MME detailed behaviour: Default Bearer Rejected (S6A Update Location Failure)
eNB UE S1AP ID, MME UE S1AP ID, NAS PDU
Downlink NAS transport
eNB UE S1AP ID, MME UE S1AP ID,
NAS PDU, E-CGI, TAI
Uplink NAS Transport
eNB UE S1AP ID, MME UE S1AP ID, NAS PDU
Downlink NAS transport
eNB UE S1AP ID, MME UE S1AP ID, NAS PDU, TAI
RRC Establishment Cause, E-UTRAN CGI, Current time
S-TMSI, CSG Id, GUMMEI, Cell Access Mode,
GW Transport Layer Address, Relay Node Indicator
S1AP
Attach Request
Default APN: NULL, UE network cap,
EPS attach type, KSI, GUTI, IMEI, IMSI
Request type: Initial, PDN Type
MME APP
Figure 3: MME detailed behaviour: Default Bearer Rejected (S6A Authentication Failure)
eNB UE S1AP ID, MME UE S1AP ID, NAS PDU
Downlink NAS transport
eNB UE S1AP ID, MME UE S1AP ID, NAS PDU, TAI
RRC Establishment Cause, E-UTRAN CGI, Current time
S-TMSI, CSG Id, GUMMEI, Cell Access Mode,
GW Transport Layer Address, Relay Node Indicator
S1AP
S6A
S6A
S+P-GW APP
S+P-GW APP
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New Data Indication
MME application or default MME
parameter
S1AP provided parameter
NAS provided parameter
HSS provided parameter
S+P-GW provided parameter
SCTP provided parameter
Optional parameter
S1AP
NAS
S6A
S11
SCTP
Optional
OUT Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
Send Data Req
IN Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
New Data Indication
OUT Stream, Association ID, Payload, Payload Length
Send Data Req
IN Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
MME
SCTP
S1AP
Initial UE message
eNB UE S1AP ID, MME UE S1AP ID, NAS PDU
Downlink NAS transport
eNB UE S1AP ID, MME UE S1AP ID,
NAS PDU, E-CGI, TAI
Uplink NAS Transport
eNB UE S1AP ID, MME UE S1AP ID, NAS PDU
Downlink NAS transport
Attach Request
S11 to NAS mapped cause value
(See 3GPP TS 29.274 Table 8.4.1)
Failure Indication
Authentication Response
Authentication Request
Default APN: NULL, UE network cap,
EPS attach type, KSI, GUTI, IMEI, IMSI
Request type: Initial, PDN Type
Update Location Answer
IMSI, Initial Attach, RAT Type, UE SRVCC Capability
Terminal Information: IMEISV
PLMN Id
Supported Features
S6A flag, Don’t skip subscriber data
Update Location Request
Result Code, Supported Features
E-UTRAN Vector: RAND, XRES, AUTN, KASME
Authentication Information Answer
PLMN Id, IMSI,
Destination Host, Destination Realm
Supported Features, Number of vectors=1,
Immediate Response
Authentication Information Request
S6A
Cause 6= Attach Accepted
Create Session Response
IMSI, RAT Type, Initial Attach, UE time zone
ECGI, TAI, CSG Id
APN, PDN type, Selection Mode, PAA, APN-AMBR
Bearer to create<1>: EBI, QOS, S-GW F-TEID, TFT
Create Session Request
Result Code = DIAMETER SUCCESS, Subscription Data:
{ Subscriber Status, Network Access Mode, RAU TAU timer
AMBR, MSISDN, APN Configuration Profile
[Default-APN Id, APN-Configuration<1:n>(UE IP<0:2>,
Service Selection, QOS profile, APN-AMBR,
PDN GW address)]}
MME APP
Figure 5: MME detailed behaviour: Default Bearer Rejected (S-GW Failure)
eNB UE S1AP ID, MME UE S1AP ID, NAS PDU, TAI
RRC Establishment Cause, E-UTRAN CGI, Current time,
S-TMSI, CSG Id, GUMMEI, Cell Access Mode,
GW Transport Layer Address, Relay Node Indicator
NAS
S+P-GW APP
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New Data Indication
Send Data Req
IN Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
S1AP provided parameter
NAS provided parameter
HSS provided parameter
S+P-GW provided parameter
SCTP provided parameter
Optional parameter
MME
S1AP
NAS
S6A
S11
SCTP
Optional
IN Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
New Data Indication
OUT Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
Send Data Req
IN Stream, Association ID, Payload, Payload Length
S1-MME eNB IP address
New Data Indication
OUT Stream, Association ID, Payload, Payload Length
MME application or default MME
parameter
SCTP
Initial UE message
NAS
Attach Request
Attach Accepted + Default Bearer
Authentication Response
Authentication Request
Default APN: NULL, UE network cap,
EPS attach type, KSI, GUTI, IMEI, IMSI
Request type: Initial, PDN Type
Authentication Information Answer
PLMN Id, IMSI,
Destination Host, Destination Realm
Supported Features, Number of vectors=1,
Immediate Response
Authentication Information Request
S6A
Result
Delete Session Response
Linked EPS Bearer Id
Delete Session Request
Bearer Creation Result
PAA, APN-AMBR, QoS, TFT, EBI
S1-U S-GW TEID, S-GW Address for UP
Create Session Response
IMSI, RAT Type, Initial Attach, UE time zone
ECGI, TAI, CSG Id
APN, PDN type, Selection Mode, PAA, APN-AMBR
Bearer to create<1>: EBI, QOS, S-GW F-TEID, TFT
Create Session Request
Result Code = DIAMETER SUCCESS, Subscription Data:
{ Subscriber Status, Network Access Mode, RAU TAU timer
AMBR, MSISDN, APN Configuration Profile
[Default-APN Id, APN-Configuration<1:n>(UE IP<0:2>,
Service Selection, QOS profile, APN-AMBR,
PDN GW address)]}
Update Location Answer
IMSI, Initial Attach, RAT Type, UE SRVCC Capability
Terminal Information: IMEISV
PLMN Id
Supported Features
S6A flag, Don’t skip subscriber data
Update Location Request
Result Code, Supported Features
E-UTRAN Vector: RAND, XRES, AUTN, KASME
MME APP
Figure 6: MME detailed behaviour: Default Bearer Rejected (eNB Reject or Failure)
eNB UE S1AP ID, MME UE S1AP ID,
Cause, Criticality Diagnostics
Initial Context Setup Failure
NAS PDU, eNB UE S1AP ID, MME UE S1AP ID
AMBR, APN-AMBR, QoS, S-GW Address,
S1-U S-GW TEID, KeNB,
security cap (encryption/integrity)
Initial Context Setup Request
eNB UE S1AP ID, MME UE S1AP ID,
NAS PDU, E-CGI, TAI
Uplink NAS Transport
eNB UE S1AP ID, MME UE S1AP ID, NAS PDU
Downlink NAS transport
eNB UE S1AP ID, MME UE S1AP ID, NAS PDU, TAI
RRC Establishment Cause, E-UTRAN CGI, Current time
S-TMSI, CSG Id, GUMMEI, Cell Access Mode,
GW Transport Layer Address, Relay Node Indicator
S1AP
S+P-GW APP