Connectivity

E-UTRA/5GC

E-UTRA connected to 5GC

Mandatory.

For value NR see note 1.

NR

NR connected to 5GC

EN-DC

E-UTRA-NR Dual Connectivity with E-UTRA connected to EPC

NGEN-DC

E-UTRA-NR Dual Connectivity with E-UTRA connected to 5GC

NE-DC

NR E-UTRA Dual Connectivity

NR-DC

NR-NR Dual Connectivity

WLAN

Un trusted non 3GPP access over WLAN

E-UTRA/EPC

E-UTRA connected to EPC

Bearers

MCG(s) and SCG

MCG and SCG

Mandatory when Connectivity is set to EN-DC, NGEN-DC, NE-DC and NR-DC and when the generic procedures are used by test cases to get UE under test into RRC_CONNECTED state.

s=1 if MULTI_PDN= FALSE and s=2 if MULTI_PDN=TRUE.

N/A otherwise.

MCG(s) and split

MCG and split

Test Mode

On

UE test mode active as specified in TS 38.509 [11], clause 5.2.2.

Optional

Test Loop Function

On

UE test mode active with one of the UE test loop modes activated as specified in TS 38.509 [11], clauses 5.2.2 and 5.3.2.

Optional

Connected without release

On

Enter RRC_Connected with Ipsec_SA_Established and without any release.

Optional

N/A for NR-DC.

Interworking without N26 interface supported

On

The NWK sets the REGISTRATION ACCEPT message, IE 5GS network feature support, IWK N26 (octet 3, bit 7) = 1

Optional,

Depends on test case scenario. Default message content for REGISTRATION ACCEPT is set to Interworking without N26 interface NOT supported

Unrestricted nr PDN

On

Allow unrestricted numbers of PDNs.

Optional for Connectivity E-UTRA/EPC.

N/A otherwise.

Sidelink

On

NR sidelink

Optional

Cast type

Unicast

To establish unicast sidelink and PC5-RRC connection.

Optional

GNSS Sync

On

To use GNSS as the synchronization reference source.

Optional

SL MIMO

On

To transmit PSSCH with 2 spatial layers, i.e. SL MIMO

Optional

U – S

Message

1-9a2

Same as TS 36.508 [2] table 4.5.2.3-1, steps 1-9a2.

–

–

–

–

–

EXCEPTION: Steps 10a1 to 10b8 describe behaviour which depends on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

10a1-10a10

IF Test Mode = On OR Test Loop Function = On THEN steps 10-19 as defined in TS 36.508 [2] table 4.5.2A.3-1, are performed.

The ACTIVATE TEST MODE is using the associated condition for the test loop.

–

–

–

–

10b1-10b8

ELSE steps 10-17 as defined in TS 36.508 [2], table 4.5.2.3-1 are performed.

–

–

–

–

U – S

Message

1

–

<–

NR RRC: SYSTEM INFORMATION (BCCH)

–

–

2

The UE transmits an RRCSetupRequest message.

–>

NR RRC: RRCSetupRequest

–

–

3

The SS transmits an RRCSetup message.

<–

NR RRC: RRCSetup

–

–

4

The UE transmits an RRCSetupComplete message and a REGISTRATION REQUEST message.

–>

NR RRC: RRCSetupComplete

5GMM: REGISTRATION REQUEST

–

–

5

The SS transmits a DLInformationTransfer message and an AUTHENTICATION REQUEST message.

<–

NR RRC: DLInformationTransfer

5GMM: AUTHENTICATION REQUEST

–

–

6

The UE transmits an ULInformationTransfer message and an AUTHENTICATION RESPONSE message.

–>

NR RRC: ULInformationTransfer

5GMM: AUTHENTICATION RESPONSE

–

–

7

Void

–

–

–

–

8

The SS transmits a DLInformationTransfer message and a SECURITY MODE COMMAND message.

<–

NR RRC: DLInformationTransfer

5GMM: SECURITY MODE COMMAND

–

–

9

The UE transmits an ULInformationTransfer message and a SECURITY MODE COMPLETE message.

–>

NR RRC: ULInformationTransfer

5GMM: SECURITY MODE COMPLETE

–

–

–

EXCEPTION: Step 9Aa1 to 9Aa2 describes behaviour that depends on the UE capability; the "lower case letter" identifies a step sequence that takes place if a capability is supported and the procedure parameter Interworking without N26 interface supported is not present.

–

–

–

–

9Aa1

IF UE_S1_SUPPORTED the SS transmits a DLInformationTransfer message and a SECURITY MODE COMMAND message.

<–

NR RRC: DLInformationTransfer

5GMM: SECURITY MODE COMMAND

–

–

9Aa2

The UE transmits an ULInformationTransfer message and a SECURITY MODE COMPLETE message.

–>

NR RRC: ULInformationTransfer

5GMM: SECURITY MODE COMPLETE

–

–

–

EXCEPTION: Steps 9a1 to 9a2 describe the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value

–

–

–

–

9a1

IF Test Mode = On OR Test Loop Function = On, the SS transmits an ACTIVATE TEST MODE message to activate UE radio bearer test mode procedure. The ACTIVATE TEST MODE message is using the associated condition for the test loop.

<–

RRC: DLInformationTransfer

TC: ACTIVATE TEST MODE

–

–

9a2

The UE transmits an ACTIVATE TEST MODE COMPLETE message.

–>

RRC: ULInformationTransfer

TC: ACTIVATE TEST MODE COMPLETE

–

–

10

The SS transmits a SecurityModeCommand message.

<–

NR RRC: SecurityModeCommand

–

–

11

The UE transmits a SecurityModeComplete message.

–>

NR RRC: SecurityModeComplete

–

–

12

The SS transmits a UECapabilityEnquiry message.

<–

NR RRC: UECapabilityEnquiry

–

–

13

The UE transmits a UECapabilityInformation message.

–>

NR RRC: UECapabilityInformation

–

–

14

The SS transmits a DLInformationTransfer message and a REGISTRATION ACCEPT message.

<–

NR RRC: DLInformationTransfer

5GMM: REGISTRATION ACCEPT

–

–

15

The UE transmits an ULInformationTransfer message and a REGISTRATION COMPLETE message.

–>

NR RRC: ULInformationTransfer

5GMM: REGISTRATION COMPLETE

–

–

16

Void

–

–

–

–

17

Void

–

–

–

–

18

Void

–

–

–

–

–

EXCEPTION: Step 19a1 describes behaviour depending UE implementation; the "lower case letter" identifies a step sequence that take place if the UE performs a specific action.

–

–

–

–

19a1

IF pc_noOf_PDUsSameConnection > 0 THEN the generic procedure for UE-requested PDU session establishment, specified in subclause 4.5A.2, takes place performing establishment of UE-requested PDU session(s) with ExpectedNumberOfNewPDUSessions = pc_noOf_PDUsSameConnection.

–

–

–

–

–

EXCEPTION: Steps 19Aa1 to 19Aa2 describe behaviour which depends on the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

19Aa1

IF connected without release is On AND Test Loop Function=On AND pc_noOf_PDUsNewConnection=0 THEN the SS transmits a CLOSE UE TEST LOOP message to enter the UE test loop mode. The CLOSE UE TEST LOOP is using the associated condition for the test loop.

<–

NR RRC: DLInformationTransfer

TC: CLOSE UE TEST LOOP

–

–

19Aa2

The UE transmits a CLOSE UE TEST LOOP COMPLETE message to confirm that loopback entities for the radio bearer(s) have been created and loop back is activated.

–>

NR RRC: ULInformationTransfer

TC: CLOSE UE TEST LOOP COMPLETE

–

–

–

EXCEPTION: Step 20a1 depends on the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

20a1

IF connected without release is not present THEN, the SS transmits an RRCRelease message.

<–

NR RRC: RRCRelease

–

–

–

EXCEPTION: Step 20Aa1 depends on the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

20Aa1

IF GNSS Sync = On THEN trigger UE to reset or clear the current UTC time that has been calculated from GNSS.

NOTE: The UTC time can be reset or clear on the UE using AT command (+CUTCR).

–

–

–

–

–

EXCEPTION: Step 21a1 and 21b1 depend on the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

21a1

IF Sidelink = On AND Cast type = Unicast AND UE initiated unicast mode NR sidelink comunication THEN generic procedure specified in subclause 4.9.22 is performed to establish unicast mode sidelink communication between the UE and the NR-SS-UE.

21b1

ELSE IF Sidelink = On AND Cast type = Unicast AND NR-SS-UE initiated unicast mode NR sidelink comunication THEN generic procedure specified in subclause 4.9.23 is performed to establish unicast mode sidelink communication between the UE and the NR-SS-UE.

22a1

Void

–

–

U – S

Message

1

The UE associates with the WLAN AP and obtains the local IP address.

–

–

–

–

2

The UE performs a dynamic selection of N3IWF using DNS query

–

–

–

–

–

Exception: The UE establishes an IPsec tunnel in parallel to 5GC registration steps 3 to 7 as per the IKEv2 protocol as defined in TS 23.502 [33] clause 4.12.2.2 figure 4.12.2.2-1.

–

–

–

–

3

The UE transmits a REGISTRATION REQUEST message.

–>

5GMM: REGISTRATION REQUEST

–

–

4

The SS transmits an AUTHENTICATION REQUEST message including EAP-Request/AKA’-Challenge or 5G AKA Challenge.

<–

5GMM: AUTHENTICATION REQUEST

–

–

5

The UE transmits an AUTHENTICATION RESPONSE message including EAP-Response/AKA’-Challenge or 5G AKA Response.

–>

5GMM: AUTHENTICATION RESPONSE

–

–

6

The SS transmits a SECURITY MODE COMMAND message including EAP-Success if EAP-AKA’ used.

<–

5GMM: SECURITY MODE COMMAND

–

–

7

The UE transmits a SECURITY MODE COMPLETE message.

–>

5GMM: SECURITY MODE COMPLETE

–

–

8

The SS transmits a REGISTRATION ACCEPT message.

<–

5GMM: REGISTRATION ACCEPT

–

–

9

The UE transmits a REGISTRATION COMPLETE message.

–>

5GMM: REGISTRATION COMPLETE

–

–

10

The generic procedure for UE-requested PDU session establishment, specified in subclause 4.5A.2A, takes place performing establishment of UE-requested PDU session.

–

–

–

–

–

EXCEPTION: Step 11a1 depends on the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

11a1

IF connected without release is not present THEN generic procedure for SS-requested IPsec Secure tunnel disconnection, specified in subclause 4.5A.5, takes place performing disconnection of security association.

–

–

–

–

U – S

Message

0

Wait for 10 sec to allow the UE to start PDU session establishment automatically.

IF it does THEN stop the 10 sec timer and continue with the steps from step 2 onwards.

IF it does not and the 10 sec timer expires THEN go to step 1.

–

–

–

–

–

EXCEPTION: Step 1a1 and 1b1 depends on the status of the UE; the "lower case letter" identifies a step sequence that take place if a PDU connection is already active.

–

–

–

–

1a1

IF there is no PDU connection already active THEN Trigger the UE to perform PDU session establishment via AT or MMI command.

NOTE: For the DNN name in the AT command, check the default PDU type from the value the ICS parameter pc_APN_Default_Configuration and take the value of the corresponding ICS parameter. If it is set to ‘none’ then use pc_APN_ID_Internet.

–

–

–

–

1b1

ELSE skip the steps 2-9a1

–

–

–

–

2-6

Steps 2-6 from Table 4.5.4.2-3 are performed.

–

–

–

–

7

The SS transmits a SERVICE ACCEPT message.

<–

NR RRC: DLInformationTransfer

5GMM: SERVICE ACCEPT

–

–

8

The generic procedure for UE-requested PDU session establishment, specified in subclause 4.5A.2, takes place performing establishment of UE-requested PDU session(s) with ExpectedNumberOfNewPDUSessions = pc_noOf_PDUsNewConnection.

–

–

–

–

–

EXCEPTION: Steps 8Aa1 to 8Aa2 describe behaviour which depends on the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

8Aa1

IF connected without release is On AND Test Loop Function=On THEN the SS transmits a CLOSE UE TEST LOOP message to enter the UE test loop mode. The CLOSE UE TEST LOOP is using the associated condition for the test loop.

<–

NR RRC: DLInformationTransfer

TC: CLOSE UE TEST LOOP

–

–

8Aa2

The UE transmits a CLOSE UE TEST LOOP COMPLETE message to confirm that loopback entities for the radio bearer(s) have been created and loop back is activated.

–>

NR RRC: ULInformationTransfer

TC: CLOSE UE TEST LOOP COMPLETE

–

–

–

EXCEPTION: Step 9a1 depends on the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

9a1

IF connected without release is not present THEN, the SS transmits an RRCRelease message.

<–

NR RRC: RRCRelease

–

–

U – S

Message

1-9a2

Steps 1 to 9a2 of the generic procedure for UE Registration (State 2) as specified in TS 36.508 [2], table 4.5.2.3-1 take place.

–

–

–

–

–

EXCEPTION: Steps 10a1 to 10b8 describe behaviour which depends on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

10a1-10a8

IF Test Mode = On OR Test Loop Function = On THEN steps 10-17 of the generic procedure for UE Registration, UE Test Mode Activated (State 2A) as specified in TS 36.508 [2] table 4.5.2A.3-1, take place.

The ACTIVATE TEST MODE is using the associated condition for the test loop.

–

–

–

–

10b1-10b6

ELSE steps 10-15 as defined in TS 36.508 [2], table 4.5.2.3-1 take place.

–

–

–

–

–

EXCEPTION: IF the ‘IP address allocation’ for the APN for which the PDN connection is established is set to "Yes" in Table 4.8.4-1 THEN, in parallel to the event described in step 10A below the generic procedure for IP address allocation in the U-plane specified in TS 36.508 [2], subclause 4.5A.1 takes place performing IP address allocation in the U-plane if requested by the UE.

–

–

–

–

–

EXCEPTION: IF the ‘IMS registration’ for the APN for which the PDN connection is established is set to "Yes" in Table 4.8.4-1, THEN in parallel to the event described in step 10A below the relevant generic procedure for IMS signalling in the U-plane specified in Table 4.8.4-1 takes place.

–

–

–

–

10A

This message includes the ATTACH COMPLETE message. The ACTIVATE DEFAULT EPS BEARER CONTEXT ACCEPT message is piggybacked in ATTACH COMPLETE.

–>

RRC: ULInformationTransfer

NAS: ATTACH COMPLETE

NAS: ACTIVATE DEFAULT EPS BEARER CONTEXT ACCEPT

–

–

11

The Generic Test Procedure to establish multiple additional PDN connections as specified in subclause 4.5A.2B takes place, ExpectedNumberOfNewPDNConnections=pc_noOf_PDNsSameConnection.

–

–

–

–

–

EXCEPTION: Steps 11Aa1 to 11Aa2 describe behaviour which depends on the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

11Aa1

IF connected without release is On AND Test Loop Function=On AND pc_noOf_PDUsNewConnection =0 THEN the SS transmits a CLOSE UE TEST LOOP message to enter the UE test loop mode. The CLOSE UE TEST LOOP is using the associated condition for the test loop.

<–

RRC: DLInformationTransfer

TC: CLOSE UE TEST LOOP

–

–

11Aa2

The UE transmits a CLOSE UE TEST LOOP COMPLETE message to confirm that loopback entities for the radio bearer(s) have been created and loop back is activated.

–>

RRC: ULInformationTransfer

TC: CLOSE UE TEST LOOP COMPLETE

–

–

–

EXCEPTION: Step 12a1 depends on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

12a1

IF connected without release is not present THEN, the SS transmits an RRCConnectionRelease message to release RRC connection and move to E-UTRA RRC_IDLE (State 2).

<–

RRC: RRCConnectionRelease

–

–

U – S

Message

0

Wait for 10 sec to allow the UE to start PDN connection establishment automatically.

IF it does THEN stop the 10 sec timer and continue with the steps from step 2 onwards.

IF it does not and the 10 sec timer expires THEN go to step 1.

–

–

–

–

–

EXCEPTION: Step 1a1 and 1b1 depends on the status of the UE; the "lower case letter" identifies a step sequence that take place if a PDU connection is already active.

–

–

–

–

1a1

IF there is no PDN connection already active THEN Trigger the UE to perform PDN connection establishment via AT or MMI command.

NOTE: For the DNN name in the AT command, check the default PDU type from the value the ICS parameter pc_APN_Default_Configuration and take the value of the corresponding ICS parameter. If it is set to ‘none’ then use pc_APN_ID_Internet.

–

–

–

–

1b1

ELSE skip the steps 2-8a1

–

–

–

–

2-6

Steps 3 to 7 of the generic procedure specified in TS 36.508 [2], table 4.5.3.3-1 take place.

–

–

–

–

7

The Generic Test Procedure to establish multiple additional PDN connections as specified in subclause 4.5A.2B takes place, ExpectedNumberOfNewPDNConnections=pc_noOf_PDNsNewConnection.

–

–

–

–

–

EXCEPTION: Steps 7Aa1 to 7Aa2 describe behaviour which depends on the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

7Aa1

IF connected without release is On AND Test Loop Function=On THEN the SS transmits a CLOSE UE TEST LOOP message to enter the UE test loop mode. The CLOSE UE TEST LOOP is using the associated condition for the test loop.

<–

RRC: DLInformationTransfer

TC: CLOSE UE TEST LOOP

–

–

7Aa2

The UE transmits a CLOSE UE TEST LOOP COMPLETE message to confirm that loopback entities for the radio bearer(s) have been created and loop back is activated.

–>

RRC: ULInformationTransfer

TC: CLOSE UE TEST LOOP COMPLETE

–

–

–

EXCEPTION: Step 18a1 depends on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

8a1

IF connected without release is not present THEN, the SS transmits an RRCConnectionRelease message to release RRC connection and move to E-UTRA RRC_IDLE (State 2).

<–

RRC: RRCConnectionRelease

–

–

Information Element

Value/remark

Comment

Condition

Service type

‘0000’B

signalling

Information Element

Value/Remark

Comment

Condition

Access point name

Not present or One of the provided APN(s) in the Table 4.8.4-1

If present, the SS shall initialise the APN_Default=False

If not present NOTE 2

NOTE 1: Unless explicitly specified otherwise, the SS uses the Access point name value to address the entry of Table 4.8.4-1 to be used for the subsequent signalling of the PDN connectivity establishment and verifying specific UE behaviour e.g. depending on the type of the APN the UE may perform some actions.

NOTE 2: The SS uses pc_APN_Default_Configuration to address the entry of Table 4.8.4-1 to be used for the subsequent signalling of the PDN connectivity establishment.

Information Element

Value/Remark

Comment

Condition

Access point name

Not present or One of the provided APN(s) in the Table 4.8.4-1

If present, the SS shall initialise the APN_Default=False

If not present NOTE 2

NOTE 1: Unless explicitly specified otherwise, the SS uses the Access point name value to address the entry of Table 4.8.4-1 to be used for the subsequent signalling of the PDN connectivity establishment and verifying specific UE behaviour e.g. depending on the type of the APN the UE may perform some actions.

NOTE 2: The SS uses pc_APN_Default_Configuration to address the entry of Table 4.8.4-1 to be used for the subsequent signalling of the PDN connectivity establishment.

Information Element

Value/Remark

Comment

Condition

EPS QoS

The EPC default bearer context of the entry in Table 4.8.4-1 which has been determined at step 1

Access point name

IF the UE provided an Access point name in step 1 THEN the SS returns this name;

OTHERWISE the SS includes the DNN/APN ID value of the entry in Table 4.8.4-1 which has been determined at step 1.

Container ID n+3

‘001C’H

Length of container ID n+3 contents

Container ID n+3 contents

5GC QoS rule of the entry in Table 4.8.4-1 which has been determined at step 1

Container ID n+4

‘001F’H

Length of container ID n+4 contents

Container ID n+4 contents

As per the relevant QoS rule (Container ID n+3)

U – S

Message

1-19a1

Same as table 4.5.2.2-2, steps 1-19a1.

–

–

–

–

–

EXCEPTION: Steps 19Aa1-19Ab9 describes behaviour depending UE implementation; the "lower case letter" identifies a step sequence that take place if the UE performs a specific action.

–

–

–

–

19Aa1

IF pc_noOf_PDUsNewConnection = 0 AND Test Loop Function=On, table 4.5.2.2-2 steps 19Aa1-19Aa2 take place.

–

–

–

–

19 Ab1

IF pc_noOf_PDUsNewConnection > 0 THEN the SS transmits an RRCRelease message

<–

NR RRC: RRCRelease

–

–

19 Ab2-Ab9

Steps 1-8 of the NR RRC_IDLE extension procedure specified in table 4.5.2.2-4, take place.

–

–

–

–

20

The SS transmits an RRCRelease message with suspend.

<–

NR RRC: RRCRelease

–

–

U – S

Message

1-6

Same as TS 36.508 [2] table 4.5.3.3-1, steps 2-7.

–

–

–

–

7

Same as TS 36.508 [2] table 4.5.3.3-1, step 8.

The RRCConnectionReconfiguration is using condition EN-DC_SRB2-DRB for connectivity EN-DC and bearers MCG(s) and SCG or connectivity E-UTRA/EPC. The RRCConnectionReconfiguration is using an associated condition MCG_and_SCG for bearers MCG(s) and SCG or condition MCG_and_split for bearers MCG(s) and split. For connectivity E-UTRA/EPC there’s no associated condition.

<–

RRC: RRCConnectionReconfiguration

NAS:

ACTIVATE DEDICATED EPS BEARER CONTEXT REQUEST

–

–

–

EXCEPTION: IF MCG(s) and SCG or MCG(s) and split. In parallel to steps 8-9 the UE performs a C-RNTI based Contention Based Random Access (CBRA) procedure on the NR cell.

–

–

–

–

8-9

Same as TS 36.508 [2] table 4.5.3.3-1, steps 9-10a1

–

–

–

–

10a1-10a2

IF Test Loop Function=On, same as TS 36.508 [2] table 4.5.4.3-1, steps 1-2.

The CLOSE UE TEST LOOP is using the associated condition for the test loop.

–

–

–

–

U – S

Message

1-9

Same as table 4.5.2.2-1, steps 1-9.

–

–

–

–

10a1-10a2

IF Test Mode = On OR Test Loop Function = On THEN same as TS 36.508 [2] table 4.5.2A.3-1, steps 10-11.

The ACTIVATE TEST MODE is using the associated condition for the test loop.

–

–

–

–

–

EXCEPTION: Steps 11a1 to 11b8 describe the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

11a1-11a8

IF Test Mode = On OR Test Loop Function = On THEN same as TS 36.508 [2] table 4.5.2A.3-1, steps 12-18.

–

–

–

–

11b1-11b8

ELSE, same as TS 36.508 [2] table 4.5.2.3-1, steps 10-16.

–

–

–

–

12

The SS transmits an RRCConnectionReconfiguration for connectivity EN-DC and bearers MCG(s) and SCG. The RRCConnectionReconfiguration is using an associated condition MCG_and_SCG for bearers MCG(s) and SCG or condition MCG_and_split for bearers MCG(s) and split.

<–

RRC: RRCConnectionReconfiguration

NAS:

ACTIVATE DEDICATED EPS BEARER CONTEXT REQUEST

–

–

–

EXCEPTION: In parallel to steps 13-14 the UE performs a C-RNTI based Contention Based Random Access (CBRA) procedure on the NR cell.

–

–

–

–

–

EXCEPTION: the steps 13 and 14 happen in any order.

–

–

–

–

13

The UE transmits an RRCConnectionReconfigurationComplete

–>

RRC: RRCConnectionReconfigurationComplete

14

The UE transmits an ACTIVATE DEDICATED EPS BEARER CONTEXT ACCEPT message

–>

RRC: ULInformationTransfer

NAS: ACTIVATE DEDICATED EPS BEARER CONTEXT ACCEPT

15a1-15a2

IF Test Loop Function=On, same as TS 36.508 [2] table 4.5.4.3-1, steps 1-2.

The CLOSE UE TEST LOOP is using the associated condition for the test loop.

–

–

–

–

U – S

Message

1

The SS transmits a Paging message.

<–

NR RRC: Paging

–

–

2

The UE transmits an RRCSetupRequest message.

–>

NR RRC: RRCSetupRequest

–

–

3

The SS transmits an RRCSetup message.

<–

NR RRC: RRCSetup

–

–

4

The UE transmits an RRCSetupComplete message and a SERVICE REQUEST message.

–>

NR RRC: RRCSetupComplete

5GMM: SERVICE REQUEST

–

–

5

The SS transmits a SecurityModeCommand message.

<–

NR RRC: SecurityModeCommand

–

–

6

The UE transmits a SecurityModeComplete message.

–>

NR RRC: SecurityModeComplete

–

–

7

The SS transmits an RRCReconfiguration message and a SERVICE ACCEPT message to establish SRB2 and DRB(s).

The RRCReconfiguration message is configured using RRCReconfiguration-SRB2-DRB(n, m) where n and m are the number of DRB(s) configured with RLC-AM and RLC-UM respectively.

<–

NR RRC: RRCReconfiguration

5GMM: SERVICE ACCEPT

–

–

8

The UE transmits an RRCReconfigurationComplete message.

–>

NR RRC: RRCReconfigurationComplete

–

–

–

EXCEPTION: Steps 9a1 to 9a2 describe behaviour which depends on the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

9a1

IF Test Loop Function=On, the SS transmits a CLOSE UE TEST LOOP message to enter the UE test loop mode. The CLOSE UE TEST LOOP is using the associated condition for the test loop.

<–

NR RRC: DLInformationTransfer

TC: CLOSE UE TEST LOOP

–

–

9a2

The UE transmits a CLOSE UE TEST LOOP COMPLETE message to confirm that loopback entities for the radio bearer(s) have been created and loop back is activated.

–>

NR RRC: ULInformationTransfer

TC: CLOSE UE TEST LOOP COMPLETE

–

–

U – S

Message

1

Trigger UE to initiate IPSec SA.

–

–

–

–

2

The generic procedure for UE-requested IPsec Secure tunnel establishment, specified in subclause 4.5A.64, takes place performing establishment of security association and one child security association.

–

–

–

–

U – S

Message

1-8

Same as table 4.5.4.2-3, steps 1-8.

–

–

–

–

8A

The SS transmits an RRCReconfiguration message and a PDU SESSION MODIFICATION COMMAND to add a new SCG DRB or a new split DRB

<–

NR RRC: RRCReconfiguration
5GMM: DL NAS TRANSPORT
5GSM: PDU SESSION MODIFICATION COMMAND

–

–

–

EXCEPTION: In parallel to steps 8B and 8C the UE performs a C-RNTI based Contention Based Random Access (CBRA) procedure on the PSCell.

–

–

–

–

–

EXCEPTION: Depending upon UE implementation, step 8B and 8C can occur in any order

–

–

–

–

8B

The UE transmits an RRCReconfigurationComplete message including nr-SCG-Response.

–>

NR RRC: RRCReconfigurationComplete

–

–

8C

The UE transmits a ULInformationTransfer message and an PDU SESSION MODIFICATION COMPLETE message.

–>

NR RRC: ULInformationTransfer

5GMM: UL NAS TRANSPORT

5GSM: PDU SESSION MODIFICATION COMPLETE

–

–

–

EXCEPTION: Steps 9a1 to 9a2 describe behaviour which depends on the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

9a1

IF Test Loop Function=On, the SS transmits a CLOSE UE TEST LOOP message to enter the UE test loop mode. The CLOSE UE TEST LOOP is using the associated condition for the test loop.

<–

NR RRC: DLInformationTransfer

TC: CLOSE UE TEST LOOP

–

–

9a2

The UE transmits a CLOSE UE TEST LOOP COMPLETE message to confirm that loopback entities for the radio bearer(s) have been created and loop back is activated.

–>

NR RRC: ULInformationTransfer

TC: CLOSE UE TEST LOOP COMPLETE

–

–

U – S

Message

1-8

Same as table 4.5.4.2-3, steps 1-8.

–

–

–

–

8A

The SS transmits an RRCReconfiguration message and a PDU SESSION MODIFICATION COMMAND to add a new SCG DRB or a new split DRB

<–

NR RRC: RRCReconfiguration
5GMM: DL NAS TRANSPORT
5GSM: PDU SESSION MODIFICATION COMMAND

–

–

–

EXCEPTION: In parallel to steps 8B and 8C the UE performs a C-RNTI based Contention Free Random Access (CFRA) procedure on the PSCell.

–

–

–

–

8B

The UE transmits an RRCReconfigurationComplete message including eutra-SCG-Response.

–>

NR RRC: RRCReconfigurationComplete

–

–

8C

The UE transmits a ULInformationTransfer message and an PDU SESSION MODIFICATION COMPLETE message.

–>

NR RRC: ULInformationTransfer

5GMM: UL NAS TRANSPORT

5GSM: PDU SESSION MODIFICATION COMPLETE

–

–

–

EXCEPTION: Steps 9a1 to 9a2 describe behaviour which depends on the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

9a1

IF Test Loop Function=On, the SS transmits a CLOSE UE TEST LOOP message to enter the UE test loop mode. The CLOSE UE TEST LOOP is using the associated condition for the test loop.

<–

NR RRC: DLInformationTransfer

TC: CLOSE UE TEST LOOP

–

–

9a2

The UE transmits a CLOSE UE TEST LOOP COMPLETE message to confirm that loopback entities for the radio bearer(s) have been created and loop back is activated.

–>

NR RRC: ULInformationTransfer

TC: CLOSE UE TEST LOOP COMPLETE

–

–

Information Element

Value/remark

Comment

Condition

RRCConnectionReconfiguration ::= SEQUENCE {

criticalExtensions CHOICE {

c1 CHOICE {

rrcConnectionReconfiguration-r8 SEQUENCE {

dedicatedInfoNASList

Not present

no NAS message

dedicatedInfoNASList SEQUENCE (SIZE(1..maxDRB)) OF

1 entry

MCG_and_SCG OR MCG_and_split

dedicatedInfoNAS [1]

OCTET STRING including ACTIVATE DEDICATED EPS BEARER CONTEXT REQUEST

according to table 4.5.4.3-1

}

}

}

}

Information Element

Value/Remark

Comment

Condition

Linked EPS bearer identity

12

EPS QoS

According to reference dedicated EPS bearer context #6 – in TS 36.508 [2] table 6.6.2-1A

TFT

According to reference dedicated EPS bearer context #6 – in TS 36.508 [2] table 6.6.2-1A

Negotiated QoS

According to reference dedicated EPS bearer context #6 – in TS 36.508 [2] table 6.6.2-1A

Negotiated LLC SAPI

According to reference dedicated EPS bearer context #6 – in TS 36.508 [2] table 6.6.2-1A

Radio priority

According to reference dedicated EPS bearer context #6 – in TS 36.508 [2] table 6.6.2-1A

Protocol configuration options

According to reference dedicated EPS bearer context #6 – in TS 36.508 [2] table 6.6.2-1A

Extended protocol configuration options

According to reference dedicated EPS bearer context #6 – in TS 36.508 [2] table 6.6.2-1A

Information Element

Value/remark

Comment

Condition

RRCConnectionReconfiguration ::= SEQUENCE {

criticalExtensions CHOICE {

c1 CHOICE {

rrcConnectionReconfiguration-r8 SEQUENCE {

dedicatedInfoNASList SEQUENCE (SIZE(1..maxDRB)) OF

1 entry

dedicatedInfoNAS [1]

OCTET STRING including ACTIVATE DEDICATED EPS BEARER CONTEXT REQUEST

according to table 4.5.4.3-1B

}

}

}

}

Information Element

Value/Remark

Comment

Condition

Linked EPS bearer identity

5

EPS QoS

According to reference dedicated EPS bearer context #6 – in TS 36.508 [2] table 6.6.2-1A

TFT

According to reference dedicated EPS bearer context #6 – in TS 36.508 [2] table 6.6.2-1A

Negotiated QoS

According to reference dedicated EPS bearer context #6 – in TS 36.508 [2] table 6.6.2-1A

Negotiated LLC SAPI

According to reference dedicated EPS bearer context #6 – in TS 36.508 [2] table 6.6.2-1A

Radio priority

According to reference dedicated EPS bearer context #6 – in TS 36.508 [2] table 6.6.2-1A

Protocol configuration options

According to reference dedicated EPS bearer context #6 – in TS 36.508 [2] table 6.6.2-1A

Extended protocol configuration options

According to reference dedicated EPS bearer context #6 – in TS 36.508 [2] table 6.6.2-1A

Information Element

Value/remark

Comment

Condition

PDU session ID

The same as the PDU session ID in PDU SESSION ESTABLISHMENT REQUEST associated with the Internet PDU session if available or with the first PDU session

Authorized QoS rules

One entry

QoS rule [1]

Reference QoS rule #5 as defined in Table 4.8.2.1-5.

QFI=5

Authorized QoS flow descriptions

One entry

QoS flow [1]

Reference QoS flow #5 as defined in Table 4.8.2.3-5.

QFI=5

U – S

Message

1-20

Same as table 4.5.2.2-2, steps 1-20.

–

–

–

–

21-26

Same as table 4.9.6.1-1, steps 1a1-1b1

–

–

–

–

U – S

Message

–

EXCEPTION: Steps 1a1 describe the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

1a1

IF Test Mode = On OR Test Loop Function = On THEN the SS triggers UE to activate UE test mode E.

NOTE: The activation of UE test mode may be performed by MMI or AT command (+CATM).

–

–

–

–

1A

Trigger UE to reset or clear the current UTC time that has been calculated from GNSS.

NOTE: The UTC time can be reset or clear on the UE using AT command (+CUTCR).

–

–

–

–

–

EXCEPTION: Steps 2a1 and 2b1 describe the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

2a1

IF Cast type = Unicast AND UE initiated unicast mode NR sidelink comunication THEN generic procedure specified in subclause 4.9.22 is performed to establish unicast mode sidelink communication between the UE and the NR-SS-UE.

2b1

ELSE IF Cast type = Unicast AND NR-SS-UE initiated unicast mode NR sidelink comunication THEN generic procedure specified in subclause 4.9.23 is performed to establish unicast mode sidelink communication between the UE and the NR-SS-UE.

–

EXCEPTION: Steps 3a1 and 3b1 describe the SS sequence depending on procedure parameters; the "lower case letter" identifies a step sequence that take place if a procedure parameter has a particular value.

–

–

–

–

3a1

IF Test Loop Function = On AND the NR-SS-UE is configured as transmitting UE THEN the SS triggers UE to close UE test loop mode E (Receive Mode).

NOTE: Closing of UE test loop mode E may be performed by MMI or AT command (+CCUTLE).

3b1

IF Test Loop Function = On AND NR-SS-UE is configured as receiving UE AND SL MIMO ≠ On THEN the SS triggers UE to close UE test loop mode E (Transmit Mode).

NOTE: Closing of UE test loop mode E may be performed by MMI or AT command (+CCUTLE).

3c1

IF Test Loop Function = On AND NR-SS-UE is configured as receiving UE AND SL MIMO = On THEN the SS triggers UE to close UE test loop mode E (Transmit Mode with SL-MIMO).

NOTE: Closing of UE test loop mode E may be performed by MMI or AT command (+CCUTLE).

4

Void

–

–