9.2.1 Container and List IE definitions

38.4233GPPNG-RANRelease 17TSXn Application Protocol (XnAP)

9.2.1.1 PDU Session Resources To Be Setup List

This IE contains PDU session resource related information used at UE context transfer between NG-RAN nodes.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

PDU Session Resources To Be Setup List

1

>PDU Session Resources To Be Setup Item

1 .. <maxnoof PDU sessions >

>>PDU Session ID

M

9.2.3.18

>>S-NSSAI

M

9.2.3.21

>>PDU Session Resource Aggregate Maximum Bitrate

O

PDU Session Aggregate Maximum Bit Rate

9.2.3.69

This IE shall be present when at least one Non-GBR QoS Flow has been setup.

>>UL NG-U UP TNL Information at UPF

M

UP Transport Layer Information 9.2.3.30

UPF endpoint of the NG-U transport bearer. For delivery of UL PDUs

>>Source DL NG-U TNL Information

O

UP Transport Layer Information 9.2.3.30

Indicates the possibility to keep the NG-U GTP-U tunnel termination point at the target NG-RAN node.

>>Security Indication

O

9.2.3.52

>>PDU Session Type

M

9.2.3.19

>>Network Instance

O

9.2.3.85

This IE is ignored if the Common Network Instance IE is present.

>>QoS Flows To Be Setup List

1

>>>QoS Flows To Be Setup Item

1 .. <maxnoofQoSFlows>

>>>>QoS Flow Identifier

M

9.2.3.10

>>>>QoS Flow Level QoS Parameters

M

9.2.3.5

>>>>E-RAB ID

O

INTEGER (0..15, …)

>>>>TSC Traffic Characteristics

O

9.2.3.114

YES

ignore

>>>>Redundant QoS Flow Indicator

O

9.2.3.118

YES

ignore

>>Data Forwarding and Offloading Info from source NG-RAN node

O

9.2.1.17

>>Additional UL NG-U UP TNL Information at UPF List

O

Additional UP Transport Layer Information 9.2.1.32

Additional UPF endpoint of the NG-U transport bearer. For delivery of UL PDUs

YES

ignore

>> Common Network Instance

O

9.2.3.92

YES

ignore

>>Redundant UL NG-U UP TNL Information at UPF

O

UP Transport Layer Information 9.2.3.30

UPF endpoint of the NG-U transport bearer. For delivery of UL PDUs for the redundant transmission

YES

ignore

>>Additional Redundant UL NG-U UP TNL Information at UPF List

O

Additional UP Transport Layer Information 9.2.1.32

Additional Redundant UPF endpoint of the NG-U transport bearer. For delivery of UL PDUs

YES

ignore

>>Redundant Common Network Instance

O

Common Network Instance

9.2.3.92

YES

ignore

>>Redundant PDU Session Information

O

9.2.3.112

YES

ignore

>>MBS Session Associated Information

O

9.2.1.37

YES

ignore

Range bound

Explanation

maxnoofPDUSessions

Maximum no. of PDU sessions. Value is 256

maxnoofQoSFlows

Maximum no. of QoS flows allowed within one PDU session. Value is 64.

9.2.1.2 PDU Session Resources Admitted List

This IE contains PDU session resource related information to report success of the establishment of PDU session resources.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

PDU Session Resources Admitted List

1

>PDU Session Resources Admitted Item

1..<maxnoofPDUSessions>

>>PDU Session ID

M

9.2.3.18

>>PDU Session Resource Admitted Info

M

>>>DL NG-U TNL Information Unchanged

O

ENUMERATED (True, …)

Indicates the NG-U tunnels that have been kept unchanged at the target NG-RAN node

>>>QoS Flows Admitted List

1

>>>>QoS Flows Admitted Item

1..<maxnoofQoSFlows>

>>>>>QoS Flow Identifier

M

9.2.3.10

>>>>>Current QoS Parameters Set Index

O

9.2.3.103

Index to the currently fulfilled alternative QoS parameters set.

YES

ignore

>>>QoS Flows not Admitted List

O

QoS Flow List with Cause

9.2.1.4

>>>Data Forwarding Info from target NG-RAN node

O

9.2.1.16

>>>Secondary Data Forwarding Info from target NG-RAN node List

O

9.2.1.31

This IE would be present only when the target M-NG-RAN node decide to split a PDU session between MN and SN

YES

ignore

Range bound

Explanation

maxnoofPDUSessions

Maximum no. of PDU sessions. Value is 256

maxnoofQoSFlows

Maximum no. of QoS flows allowed within one PDU session. Value is 64.

9.2.1.3 PDU Session Resources Not Admitted List

This IE contains a list of PDU session resources which were not admitted to be added or modified.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

PDU Session Resources Not Admitted List

1

>PDU Session Resources Not Admitted Item

1..<maxnoofPDUSessions>

>>PDU Session ID

M

9.2.3.18

>>Cause

O

9.2.3.2

Range bound

Explanation

maxnoofPDUSessions

Maximum no. of PDU sessions. Value is 256

9.2.1.4 QoS Flow List with Cause

This IE contains a list of QoS flows with a cause value.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

QoS Flow with Cause Item

1..<maxnoofQoSFlows>

>QoS Flow Identifier

M

9.2.3.10

>Cause

O

9.2.3.2

Range bound

Explanation

maxnoofQoSFlows

Maximum no. of QoS flows allowed within one PDU session. Value is 64.

9.2.1.4a QoS Flow List

This IE contains a list of QoS flows.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

QoS Flow Item

1..<maxnoofQoSFlows>

>QoS Flow Identifier

M

9.2.3.10

Range bound

Explanation

maxnoofQoSFlows

Maximum no. of QoS flows allowed within one PDU session. Value is 64.

9.2.1.5 PDU Session Resource Setup Info – SN terminated

This IE contains information for the addition of S-NG-RAN node resources related to a PDU session for DRBs configured with an SN terminated bearer option.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

UL NG-U UP TNL Information at UPF

M

UP Transport Layer Information 9.2.3.30

UPF endpoint of the NG-U transport bearer. For delivery of UL PDUs

PDU Session Type

M

9.2.3.19

Network Instance

O

9.2.3.85

This IE shall be ignored if the Common Network Instance IE is present.

QoS Flows To Be Setup List

1

>QoS Flow To Be Setup Item

1 .. <maxnoofQoSFlows>

>>QoS Flow Identifier

M

9.2.3.10

>>QoS Flow Level QoS Parameters

M

9.2.3.5

For GBR QoS flows, this IE contains GBR QoS flow information as received at NG-C

>>Offered GBR QoS Flow Information

O

GBR QoS Flow Information

9.2.3.6

This IE contains M-Node offered GBR QoS Flow Information.

>>TSC Traffic Characteristics

O

9.2.3.114

YES

ignore

>>Redundant QoS Flow Indicator

O

9.2.3.118

YES

ignore

Data Forwarding and Offloading Info from source NG-RAN node

O

9.2.1.17

Security Indication

O

9.2.3.52

Security Result

O

9.2.3.67

Indicates security activation status in MN.

YES

reject

Common Network Instance

O

9.2.3.92

YES

ignore

Default DRB Allowed

O

9.2.3.93

YES

ignore

Split Session Indicator

O

9.2.3.94

YES

reject

Non-GBR Resources Offered

O

9.2.3.98

YES

ignore

Redundant UL NG-U UP TNL Information at UPF

O

UP Transport Layer Information

9.2.3.30

UPF endpoint of the NG-U transport bearer. For delivery of UL PDUs for the redundant transmission.

YES

ignore

Redundant Common Network Instance

O

Common Network Instance

9.2.3.92

YES

ignore

Redundant PDU Session Information

O

9.2.3.112

YES

ignore

Range bound

Explanation

maxnoofQoSFlows

Maximum no. of QoS flows. Value is 64

9.2.1.6 PDU Session Resource Setup Response Info – SN terminated

This IE contains the result of the addition of S-NG-RAN node resources related to a PDU session for DRBs configured with an SN terminated bearer option.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

DL NG-U UP TNL Information at NG-RAN

M

UP Transport Layer Information 9.2.3.30

S-NG-RAN node endpoint of the NG transport bearer. For delivery of DL PDUs.

DRBs To Be Setup List

0..1

>DRBs to Be Setup Item

1 .. <maxnoofDRBs>

>>DRB ID

M

9.2.3.33

>>SN UL PDCP UP TNL Information

M

UP Transport Parameters 9.2.3. 76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs.

>>DRB QoS

M

QoS Flow Level QoS Parameters

9.2.3.5

>>PDCP SN Length

O

9.2.3.63

Indicates the PDCP SN length of the DRB.

>>RLC Mode

M

9.2.3.28

Indicates the RLC mode to be used in the assisting node.

>>secondary SN UL PDCP UP TNL Information

O

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of PDCP duplication.

>>Duplication Activation

O

9.2.3.71

Information on the initial state of UL PDCP duplication.

This IE is ignored if the RLC Duplication Information IE is present.

>>UL Configuration

O

9.2.3.75

Information about UL usage in the M-NG-RAN node. This IE is used when the concerned DRB has both MCG resource and SCG resource configured i.e. the concerned DRB is configured as split bearer.

>>QoS Flows Mapped To DRB List

1

>>>QoS Flows Mapped To DRB Item

1 .. <maxnoofQoSFlows>

>>>>QoS Flow Identifier

M

9.2.3.10

>>>>MCG requested GBR QoS Flow Information

O

GBR QoS Flow Information

9.2.3.6

This IE contains GBR QoS Flow Information necessary for the MCG part.

>>>>QoS Flow Mapping Indication

O

9.2.3.79

>>>>Current QoS Parameters Set Index

O

Alternative QoS Parameters Set Index

9.2.3.103

YES

ignore

>>>>Source DL Forwarding IP Address

O

Transport Layer Address

9.2.3.29

Identifies the TNL address used by the source node for data forwarding.

YES

ignore

>>Additional PDCP Duplication TNL List

0..1

YES

ignore

>>>Additional PDCP Duplication TNL Item

1 .. <maxnoofAdditionalPDCPDuplicationTNL>

>>>>Additional PDCP Duplication UP TNL Information

M

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of additional PDCP duplication.

>>RLC Duplication Information

O

9.2.3.111

.

Data Forwarding Info from target NG-RAN node

O

9.2.1.16

QoS Flows Not Admitted List

O

QoS Flow List with Cause

9.2.1.4

Security Result

O

9.2.3.67

DRB IDs taken into use

O

DRB List 9.2.1.29

Indicating the DRB IDs taken into use by the target NG-RAN node, as specified in TS 37.340 [8].

YES

reject

Redundant DL NG-U UP TNL Information at NG-RAN

O

UP Transport Layer Information

9.2.3.30

S-NG-RAN node endpoint of the NG transport bearer. For delivery of DL PDUs for the redundant transmission.

YES

ignore

Used RSN Information

O

Redundant PDU Session Information

9.2.3.112

YES

ignore

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs allowed towards one UE. Value is 32.

maxnoofQoSFlows

Maximum no. of QoS flows. Value is 64

maxnoofAdditionalPDCPDuplicationTNL

Maximum no. of additional PDCP Duplication TNL. Value is 2.

9.2.1.7 PDU Session Resource Setup Info – MN terminated

This IE contains information for the addition of S-NG-RAN node resources related to a PDU session for DRBs configured with an MN terminated bearer option.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

PDU Session Type

M

9.2.3.19

DRBs To Be Setup List

1

>DRBs to Be Setup Item

1 .. <maxnoofDRBs>

>>DRB ID

M

9.2.3.33

>>MN UL PDCP UP TNL Information

M

UP Transport Parameters 9.2.3.76

M-NG-RAN node endpoint(s) of a DRB’s Xn-U transport bearer at its PDCP resource. For delivery of UL PDUs.

>>RLC Mode

M

9.2.3.28

Indicates the RLC mode to be used in the assisting node.

>>UL Configuration

O

9.2.3.75

Information about UL usage in the S-NG-RAN node. This IE is used when the concerned DRB has both MCG resource and SCG resource configured i.e. the concerned DRB is configured as split bearer.

>>DRB QoS

M

QoS Flow Level QoS Parameters

9.2.3.5

>>PDCP SN Length

O

9.2.3.63

Indicates the PDCP SN length of the DRB.

>>secondary MN UL PDCP UP TNL Information

O

UP Transport Parameters 9.2.3.76

M-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of PDCP duplication.

>>Duplication Activation

O

9.2.3.71

Information on the initial state of UL PDCP duplication.

This IE is ignored if the RLC Duplication Information IE is present.

>>QoS Flows Mapped To DRB List

1

>>>QoS Flows Mapped To DRB Item

1 .. <maxnoofQoSFlows>

>>>>QoS Flow Identifier

M

9.2.3.10

>>>>QoS Flow Level QoS Parameters

M

9.2.3.5

>>>>QoS Flow Mapping Indication

O

9.2.3.79

>>>>TSC Traffic Characteristics

O

9.2.3.114

YES

ignore

>>Additional PDCP Duplication TNL List

0..1

YES

ignore

>>>Additional PDCP Duplication TNL Item

1 .. <maxnoofAdditionalPDCPDuplicationTNL>

>>>>Additional PDCP Duplication UP TNL Information

M

UP Transport Parameters 9.2.3.76

M-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of additional PDCP duplication.

>>RLC Duplication Information

O

9.2.3.111

YES

ignore

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs allowed towards one UE. Value is 32.

maxnoofQoSFlows

Maximum no. of QoS flows allowed within one PDU session. Value is 64.

maxnoofAdditionalPDCPDuplicationTNL

Maximum no. of additional PDCP Duplication TNL. Value is 2.

9.2.1.8 PDU Session Resource Setup Response Info – MN terminated

This IE contains the result of the addition of S-NG-RAN node resources related to a PDU session for DRBs configured with an MN terminated bearer option.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

DRBs Admitted List

1

>DRBs Admitted Item

1 .. <maxnoofDRBs>

>>DRB ID

M

9.2.3.33

>>SN DL SCG UP TNL Information

M

UP Transport Parameters 9.2.3.76

S-NG-RAN node GTP-U tunnel endpoint(s) of the DRB’s Xn transport at its Lower Layer SCG resource. For delivery of DL PDUs.

>>secondary SN DL SCG UP TNL Information

O

UP Transport Parameters 9.2.3.76

S-NG-RAN node GTP-U tunnel endpoint(s) of the DRB’s Xn transport at its Lower Layer SCG resource. For delivery of DL PDUs in case of PDCP duplication.

>>LCID

O

9.2.3.70

LCID for primary path or LCID for split secondary path for fallback to split bearer if PDCP duplication is applied

>>Additional PDCP Duplication TNL List

0..1

YES

ignore

>>>Additional PDCP Duplication TNL Item

1 .. <maxnoofAdditionalPDCPDuplicationTNL>

>>>>Additional PDCP Duplication UP TNL Information

M

UP Transport Parameters 9.2.3.76

S-NG-RAN node GTP-U tunnel endpoint(s) of the DRB’s Xn transport at its Lower Layer SCG resource. For delivery of DL PDUs in case of additional PDCP duplication.

>>QoS Flows Mapped To DRB List

0..1

YES

ignore

>>>QoS Flows Mapped To DRB Item

1 .. <maxnoofQoSFlows>

>>>>QoS Flow Identifier

M

9.2.3.10

>>>>Current QoS Parameters Set Index

M

Alternative QoS Parameters Set Index

9.2.3.103

DRBs Not Admitted To Be Setup or Modified List

O

DRB List with Cause

9.2.1.28

YES

ignore

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs allowed towards one UE. Value is 32.

maxnoofAdditionalPDCPDuplicationTNL

Maximum no. of additional PDCP Duplication TNL. Value is 2

9.2.1.9 PDU Session Resource Modification Info – SN terminated

This IE contains information related to a PDU session resource for an M-NG-RAN node initiated request to modify DRBs configured with an SN terminated bearer option.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

UL NG-U UP TNL Information at UPF

O

UP Transport Layer Information 9.2.3.30

UPF endpoint of the NG-U transport bearer. For delivery of UL PDUs

Network Instance

O

9.2.3.85

This IE shall be ignored if the Common Network Instance IE is present.

QoS Flows To Be Setup List

0..1

>QoS Flows To Be Setup Item

1 .. <maxnoofQoSFlows>

>>QoS Flow Identifier

M

9.2.3.10

>>QoS Flow Level QoS Parameters

M

9.2.3.5

For GBR QoS flows, this IE contains GBR QoS flow information as received at NG-C

>>Offered GBR QoS Flow Information

O

GBR QoS Flow Information

9.2.3.6

This IE contains M-Node offered GBR QoS Flow Information.

>>TSC Traffic Characteristics

O

9.2.3.114

YES

ignore

>>Redundant QoS Flow Indicator

O

9.2.3.118

YES

ignore

Data Forwarding and Offloading Info from source NG-RAN node

O

9.2.1.17

Applicable for the QoS flows contained in the QoS Flows To Be Setup List IE.

QoS Flows To Be Modified List

0..1

>QoS Flows To Be Modified Item

1 .. <maxnoofQoSFlows>

>>QoS Flow Identifier

M

9.2.3.10

>>QoS Flow Level QoS Parameters

O

9.2.3.5

For GBR QoS flows, this IE contains GBR QoS flow information as received at NG-C

>>Offered GBR QoS Flow Information

O

GBR QoS Flow Information

9.2.3.6

This IE contains M-Node offered GBR QoS Flow Information.

>>QoS Flow Mapping Indication

O

9.2.3.79

This IE is not applicable in this version of the specification.

>>TSC Traffic Characteristics

O

9.2.3.114

YES

ignore

>>Redundant QoS Flow Indicator

O

9.2.3.118

YES

ignore

QoS Flows To Be Released List

0..1

QoS Flow List with Cause

9.2.1.4

DRBs To Be Modified List

0..1

>DRBs to Be Modified Item

1 .. <maxnoofDRBs>

>>DRB ID

M

9.2.3.33

>>MN DL CG UP TNL Information

O

UP Transport Parameters 9.2.3.76

M-NG-RAN node GTP-U endpoint(s) of a DRB’s Xn transport bearer at its lower layer CG resource. For delivery of DL PDUs.

>>secondary MN DL CG UP TNL Information

O

UP Transport Parameters 9.2.3.76

M-NG-RAN node GTP-U endpoint(s) of a DRB’s Xn transport bearer at its lower layer CG resource. For delivery of DL PDUs in case of PDCP duplication.

>>LCID

O

9.2.3.70

LCID for primary path or LCID for split secondary path for fallback to split bearer if PDCP duplication is applied

>>RLC Status

O

9.2.3.80

>>Additional PDCP Duplication TNL List

0..1

YES

ignore

>>>Additional PDCP Duplication TNL Item

1 .. <maxnoofAdditionalPDCPDuplicationTNL>

>>>>Additional PDCP Duplication UP TNL Information

M

UP Transport Parameters 9.2.3.76

M-NG-RAN node GTP-U endpoint(s) of a DRB’s Xn transport bearer at its lower layer CG resource. For delivery of DL PDUs in case of additional PDCP duplication.

DRBs To Be Released List

O

DRB List with Cause

9.2.1.28

Common Network Instance

O

9.2.3.92

YES

ignore

Default DRB Allowed

O

9.2.3.93

YES

ignore

Non-GBR Resources Offered

O

9.2.3.98

YES

ignore

Redundant UL NG-U UP TNL Information at UPF

O

UP Transport Layer Information

9.2.3.30

UPF endpoint of the NG-U transport bearer. For delivery of UL PDUs for the redundant transmission

YES

ignore

Redundant Common Network Instance

O

Common Network Instance

9.2.3.92

YES

ignore

Security Indication

O

9.2.3.52

YES

ignore

Range bound

Explanation

maxnoofQoSFlows

Maximum no. of QoS flows. Value is 64.

maxnoofAdditionalPDCPDuplicationTNL

Maximum no. of additional PDCP Duplication TNL. Value is 2.

9.2.1.10 PDU Session Resource Modification Response Info – SN terminated

This IE contains the PDU session resource related result of an M-NG-RAN node initiated request to modify DRBs configured with an SN terminated bearer option.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

DL NG-U UP TNL Information at NG-RAN

O

UP Transport Layer Information 9.2.3.30

S-NG-RAN node endpoint of the NG transport bearer. For delivery of DL PDUs.

DRBs To Be Setup List

0..1

>DRBs to Be Setup Item

1 .. <maxnoofDRBs>

>>DRB ID

M

9.2.3.33

>>SN UL PDCP UP TNL Information

M

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs.

>>DRB QoS

M

QoS Flow Level QoS Parameters

9.2.3.5

>>PDCP SN Length

O

9.2.3.63

Indicates the PDCP SN length of the DRB.

>>RLC Mode

M

9.2.3.28

Indicates the RLC mode to be used in the assisting node.

>>secondary SN UL PDCP UP TNL Information

O

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of PDCP duplication.

>>Duplication Activation

O

9.2.3.71

Information on the initial state of UL PDCP duplication.

This IE is ignored if the RLC Duplication Information IE is present.

>>UL Configuration

O

9.2.3.75

Information about UL usage in the M-NG-RAN node. This IE is used when the concerned DRB has both MCG resource and SCG resource configured i.e. the concerned DRB is configured as split bearer.

>>QoS Flows Mapped To DRB List

1

>>>QoS Flows Mapped To DRB Item

1 .. <maxnoofQoSFlows>

>>>>QoS Flow Identifier

M

9.2.3.10

>>>>MCG requested GBR QoS Flow Information

O

GBR QoS Flow Information

9.2.3.6

This IE contains GBR QoS Flow Information necessary for the MCG part.

>>>>QoS Flow Mapping Indication

O

9.2.3.79

>>>>Current QoS Parameters Set Index

O

Alternative QoS Parameters Set Index

9.2.3.103

YES

ignore

>>>>Source DL Forwarding IP Address

O

Transport Layer Address

9.2.3.29

Identifies the TNL address used by the source node for data forwarding.

YES

ignore

>>Additional PDCP Duplication TNL List

0..1

YES

ignore

>>>Additional PDCP Duplication TNL Item

1 .. <maxnoofAdditionalPDCPDuplicationTNL>

>>>>Additional PDCP Duplication UP TNL Information

M

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of additional PDCP duplication.

>>RLC Duplication Information

O

9.2.3.111

YES

ignore

Data Forwarding Info from target NG-RAN node

O

9.2.1.16

Applicable for the QoS flows in DRBs to be setup.

DRBs To Be Modified List

0..1

>DRBs to Be Modified Item

1 .. <maxnoofDRBs>

>>DRB ID

M

9.2.3.33

>>SN UL PDCP UP TNL Information

O

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs.

>>DRB QoS

O

QoS Flow Level QoS Parameters

9.2.3.5

>>QoS Flows Mapped to DRB List

0..1

Overwriting the existing QoS Flow List

>>>QoS Flows Mapped to DRB Item

1 .. <maxnoofQoSFlows>

>>>>QoS Flow Identifier

M

9.2.3.10

>>>>MCG requested GBR QoS Flow Information

O

GBR QoS Flow Information

9.2.3.6

This IE contains GBR QoS Flow Information necessary for the MCG part.

>>>>QoS Flow Mapping Indication

O

9.2.3.79

>>>>Current QoS Parameters Set Index

O

Alternative QoS Parameters Set Index

9.2.3.103

YES

ignore

>>>>Source DL Forwarding IP Address

O

Transport Layer Address

9.2.3.29

Identifies the TNL address used by the source node for data forwarding.

YES

ignore

>>Additional PDCP Duplication TNL List

0..1

YES

ignore

>>>Additional PDCP Duplication TNL Item

1 .. <maxnoofAdditionalPDCPDuplicationTNL>

>>>>Additional PDCP Duplication UP TNL Information

M

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of additional PDCP duplication.

>>RLC Duplication Information

O

9.2.3.111

YES

ignore

>>secondary SN UL PDCP UP TNL Information

O

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of PDCP duplication.

YES

ignore

>>PDCP Duplication Configuration

O

9.2.3.86

YES

ignore

>>Duplication Activation

O

9.2.3.71

YES

ignore

DRBs To Be Released List

O

DRB List with Cause

9.2.1.28

Data Forwarding and Offloading Info from source NG-RAN node

O

9.2.1.17

Contains DL Data Forwarding indications for QoS Flows removed from the SDAP in the SN.

QoS Flows Not Admitted to be Added List

O

QoS Flow List with Cause

9.2.1.4

QoS Flows Released List

O

QoS Flow List with Cause

9.2.1.4

DRB IDs taken into use

O

DRB List 9.2.1.29

Indicating the DRB IDs taken into use by the target NG-RAN node, as specified in TS 37.340 [8].

YES

reject

Redundant DL NG-U UP TNL Information at NG-RAN

O

UP Transport Layer Information

9.2.3.30

S-NG-RAN node endpoint of the NG transport bearer. For delivery of DL PDUs for the redundant transmission.

YES

ignore

Security Result

O

9.2.3.67

YES

ignore

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs allowed towards one UE. Value is 32.

maxnoofQoSFlows

Maximum no. of QoS flows. Value is 64.

maxnoofAdditionalPDCPDuplicationTNL

Maximum no. of additional PDCP Duplication TNL. Value is 2.

9.2.1.11 PDU Session Resource Modification Info – MN terminated

This IE contains information related to PDU session resource for an M-NG-RAN node initiated request to modify DRBs configured with an MN terminated bearer option.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

PDU Session Type

M

9.2.3.19

DRBs To Be Setup List

0..1

>DRBs to Be Setup Item

1 .. <maxnoof DRBs>

>>DRB ID

M

9.2.3.33

>>MN UL PDCP UP TNL Information

M

UP Transport Parameters 9.2.3.76

M-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs.

>>RLC Mode

M

9.2.3.28

Indicates the RLC mode to be used in the assisting node.

>>UL Configuration

O

9.2.3.75

Information about UL usage in the S-NG-RAN node. This IE is used when the concerned DRB has both MCG resource and SCG resource configured i.e. the concerned DRB is configured as split bearer.

>>DRB QoS

M

QoS Flow Level QoS Parameters

9.2.3.5

>>PDCP SN Length

O

9.2.3.63

Indicates the PDCP SN length of the DRB.

>>secondary MN UL PDCP UP TNL Information

O

UP Transport Parameters 9.2.3.76

M-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of PDCP duplication.

>>Duplication Activation

O

9.2.3.71

Information on the initial state of UL PDCP duplication.

This IE is ignored if the RLC Duplication Information IE is present.

>>QoS Flows Mapped to DRB List

1

>>>QoS Flows Mapped To DRB Item

1 .. <maxnoofQoSFlows>

>>>>QoS Flow Identifier

M

9.2.3.10

>>>>QoS Flow Level QoS Parameters

M

9.2.3.5

>>>>QoS Flow Mapping Indication

O

9.2.3.79

>>Additional PDCP Duplication TNL List

0..1

YES

ignore

>>>Additional PDCP Duplication TNL Item

1 .. <maxnoofAdditionalPDCPDuplicationTNL>

>>>>Additional PDCP Duplication UP TNL Information

M

UP Transport Parameters 9.2.3.76

M-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of additional PDCP duplication.

>>RLC Duplication Information

O

9.2.3.111

YES

ignore

DRBs To Be Modified List

0..1

>DRBs to Be Modified Item

1 .. <maxnoofDRBs>

>>DRB ID

M

9.2.3.33

>>MN UL PDCP UP TNL Information

O

UP Transport Parameters 9.2.3.76

M-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs.

>>DRB QoS

O

QoS Flow Level QoS Parameters

9.2.3.5

>>secondary MN UL PDCP UP TNL Information

O

UP Transport Parameters 9.2.3.76

M-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of PDCP duplication.

>>UL Configuration

O

9.2.3.75

Information about UL usage in the S-NG-RAN node.

>>PDCP Duplication Configuration

O

9.2.3.86

>>Duplication Activation

O

9.2.3.71

Information on the initial state of UL PDCP duplication.

This IE is ignored if the RLC Duplication Information IE is present.

>>QoS Flows Mapped To DRB List

0..1

Overwriting the existing QoS Flow List

>>>QoS Flows Mapped To DRB Item

1 .. <maxnoof QoS Flows>

>>>>QoS Flow Identifier

M

9.2.3.10

>>>>QoS Flow Level QoS Parameters

M

9.2.3.5

>>>>QoS Flow Mapping Indication

O

9.2.3.79

>>Additional PDCP Duplication TNL List

0..1

YES

ignore

>>>Additional PDCP Duplication TNL Item

1 .. <maxnoofAdditionalPDCPDuplicationTNL>

>>>>Additional PDCP Duplication UP TNL Information

M

UP Transport Parameters 9.2.3.76

M-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of additional PDCP duplication.

>>RLC Duplication Information

O

9.2.3.111

YES

ignore

DRBs To Be Released List

O

DRB List with Cause

9.2.1.28

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs allowed towards one UE. Value is 32.

maxnoofQoSFlows

Maximum no. of QoS flows allowed within one PDU session. Value is 64.

maxnoofAdditionalPDCPDuplicationTNL

Maximum no. of additional PDCP Duplication TNL. Value is 2.

9.2.1.12 PDU Session Resource Modification Response Info – MN terminated

This IE contains the PDU session resource related result of an M-NG-RAN node initiated modification of DRBs configured with an MN terminated bearer option.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

DRBs Admitted to be Setup or Modified List

1

>DRBs Admitted to be Setup or Modified Item

1 .. <maxnoofDRBs>

>>DRB ID

M

9.2.3.33

>>SN DL SCG UP TNL Information

O

UP Transport Parameters 9.2.3.76

S-NG-RAN node GTP-U tunnel endpoint(s) of the DRB’s Xn transport at its Lower Layer SCG resource. For delivery of DL PDUs.

>>secondary SN DL SCG UP TNL Information

O

UP Transport Parameters 9.2.3.76

S-NG-RAN node GTP-U tunnel endpoint(s) of the DRB’s Xn transport at its Lower Layer SCG resource. For delivery of DL PDUs in case of PDCP duplication.

>>LCID

O

9.2.3.70

LCID for primary path or LCID for split secondary path for fallback to split bearer if PDCP duplication is applied

>>Additional PDCP Duplication TNL List

0..1

YES

ignore

>>>Additional PDCP Duplication TNL Item

1 .. <maxnoofAdditionalPDCPDuplicationTNL>

>>>>Additional PDCP Duplication UP TNL Information

M

UP Transport Parameters 9.2.3.76

S-NG-RAN node GTP-U tunnel endpoint(s) of the DRB’s Xn transport at its Lower Layer SCG resource. For delivery of DL PDUs in case of additional PDCP duplication.

>>QoS Flows Mapped To DRB List

0..1

YES

ignore

>>>QoS Flows Mapped To DRB Item

1 .. <maxnoofQoSFlows>

>>>>QoS Flow Identifier

M

9.2.3.10

>>>>Current QoS Parameters Set Index

O

Alternative QoS Parameters Set Index

9.2.3.103

DRBs Released List

O

DRB List

9.2.1.29

DRBs Not Admitted To Be Setup or Modified List

O

DRB List with Cause

9.2.1.28

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs allowed towards one UE. Value is 32.

maxnoofAdditionalPDCPDuplicationTNL

Maximum no. of additional PDCP Duplication TNL. Value is 2.

9.2.1.13 UE Context Information – Retrieve UE Context Response

This IE contains the UE context information within the RETRIEVE UE CONTEXT RESPONSE message.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

NG-C UE associated Signalling reference

M

AMF UE NGAP ID

9.2.3.26

Allocated at the AMF on the old NG-C connection.

Signalling TNL Association Address at source NG-C side

M

CP Transport Layer Information

9.2.3.31

This IE indicates the AMF’s IP address of the SCTP association used at the source NG-C interface instance.

Note: If no UE TNLA binding exists at the source NG-RAN node, the source NG-RAN node indicates the TNL association address it would have selected if it would have had to create a UE TNLA binding.

UE Security Capabilities

M

9.2.3.49

AS Security Information

M

9.2.3.50

UE Aggregate Maximum Bit Rate

M

9.2.3.17

PDU Session Resources To Be Setup List

M

9.2.1.1

RRC Context

M

OCTET STRING

Includes the HandoverPreparationInformation message as defined in subclause 11.2.2 of TS 38.331[10] if the old and new serving NG-RAN nodes are gNBs.

Includes either the HandoverPreparationInformation message as defined in subclause 10.2.2 of TS 36.331 [14] or the HandoverPreparationInformation-NB message as defined in subclause 10.6.2 of TS 36.331 [14], if the old and new serving NG-RAN nodes are ng-eNBs.

Mobility Restriction List

O

9.2.3.53

Index to RAT/Frequency Selection Priority

O

9.2.3.23

5GC Mobility Restriction List Container

O

9.2.3.100

YES

ignore

NR UE Sidelink Aggregate Maximum Bit Rate

O

9.2.3.107

This IE applies only if the UE is authorized for NR V2X services.

YES

ignore

LTE UE Sidelink Aggregate Maximum Bit Rate

O

9.2.3.108

This IE applies only if the UE is authorized for LTE V2X services.

YES

ignore

UE Radio Capability ID

O

9.2.3.138

YES

reject

MBS Session Information List

O

9.2.1.36

YES

ignore

No PDU Session Indication

O

ENUMERATED (true, …)

This IE applies only if the UE is an IAB-MT.

YES

ignore

5G ProSe UE PC5 Aggregate Maximum Bit Rate

O

NR UE Sidelink Aggregate Maximum Bit Rate

9.2.3.107

This IE applies only if the UE is authorized for 5G ProSe services.

YES

ignore

UE Slice Maximum Bit Rate List

O

9.2.3.167

YES

ignore

Positioning Information

O

9.2.3.168

YES

ignore

9.2.1.14 DRBs Subject To Status Transfer List

This IE contains a list of DRBs containing information about PDCP SN status.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

DRBs Subject To Status Transfer Item

1 .. <maxnoofDRBs>

>DRB ID

M

9.2.3.33

>CHOICE PDCP Status Transfer UL

M

>>12 bits

>>>Receive Status Of PDCP SDU

O

BIT STRING (1.. 2048)

The IE is used in case of 12-bit long PDCP-SN.

The first bit indicates the status of the SDU after the First Missing UL PDCP SDU.

The Nth bit indicates the status of the UL PDCP SDU in position (N + First Missing SDU Number) modulo (1 + the maximum value of the PDCP-SN).

0: PDCP SDU has not been received.

1: PDCP SDU has been received correctly.

>>>UL COUNT Value

M

COUNT Value for PDCP SN Length 12 9.2.3.36

PDCP-SN and Hyper Frame Number of the first missing UL SDU in case of 12-bit long PDCP-SN

>>18 bits

>>>Receive Status Of PDCP SDU

O

BIT STRING (1.. 131072)

The IE is used in case of 18-bit long PDCP-SN.

The first bit indicates the status of the SDU after the First Missing UL PDCP SDU.

The Nth bit indicates the status of the UL PDCP SDU in position (N + First Missing SDU Number) modulo (1 + the maximum value of the PDCP-SN).

0: PDCP SDU has not been received.

1: PDCP SDU has been received correctly.

>>>UL COUNT Value

M

COUNT Value for PDCP SN Length 18 9.2.3.37

PDCP-SN and Hyper Frame Number of the first missing UL SDU in case of 18-bit long PDCP-SN

>CHOICE PDCP Status Transfer DL

M

>>12 bits

>>>DL COUNT Value

M

COUNT Value for PDCP SN Length 12 9.2.3.36

PDCP-SN and Hyper Frame Number that the target NG-RAN node (handover) or the NG-RAN node to which the DRB context is transferred (dual connectivity) should assign for the next DL SDU not having an SN yet in case of 12-bit long PDCP-SN.

>>18 bits

>>>DL COUNT Value

M

COUNT Value for PDCP SN Length 18 9.2.3.37

PDCP-SN and Hyper Frame Number that the target NG-RAN node (handover) or the NG-RAN node to which the DRB context is transferred (dual connectivity) should assign for the next DL SDU not having an SN yet in case of 18-bit long PDCP-SN.

>Old QoS Flow List – UL End Marker expected

O

QoS Flow List

9.2.1.4a

This IE is included to be used for indicating that the source NG-RAN node has initiated QoS flow re-mapping and has not yet received SDAP end markers, as described in TS 38.300 [9].

YES

reject

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs allowed towards one UE. Value is 32.

9.2.1.15 DRB to QoS Flow Mapping List

This IE contains a list of DRBs containing information about the mapped QoS flows.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

DRBs to QoS Flow Mapping Item

1 .. <maxnoofDRBs>

>DRB ID

M

9.2.3.33

>QoS Flows List

1

>>QoS Flow Item

1..<maxnoofQoSFlows>

>>>QoS Flow Identifier

M

9.2.3.10

>>>QoS Flow Mapping Indication

O

9.2.3.79

>RLC Mode

O

9.2.3.28

Indicates the RLC mode for PDCP transfer between M-NG-RAN node and S-NG-RAN node.

>DAPS Request Information

O

9.2.1.33

YES

ignore

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs allowed towards one UE. Value is 32.

maxnoofQoSFlows

Maximum no. of QoS flows allowed within one PDU session. Value is 64.

9.2.1.16 Data Forwarding Info from target NG-RAN node

This IE contains TNL information for the establishment of data forwarding tunnels towards the target NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

QoS Flows Accepted For Data Forwarding List

1

>QoS Flows Accepted For Data Forwarding Item

1..<maxnoofQoSFlows>

>>QoS Flow Identifier

M

9.2.3.10

PDU Session level DL data forwarding UP TNL Information

O

UP Transport Layer Information 9.2.3.30

To forward NG-U DL SDAP SDUs to the target node.

PDU Session level UL data forwarding UP TNL Information

O

UP Transport Layer Information 9.2.3.30

To forward NG-U UL SDAP SDU to the target node.

Data Forwarding Response DRB List

0..1

>Data Forwarding Response DRB Item

1..<maxnoofDRBs>

>>DRB ID

M

9.2.3.33

>>DL Forwarding UP TNL Information

O

UP Transport Layer Information 9.2.3.30

>>UL Forwarding UP TNL Information

O

UP Transport Layer Information 9.2.3.30

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs. Value is 32.

maxnoofQoSFlows

Maximum no. of QoS flows allowed within one PDU session. Value is 64.

9.2.1.17 Data Forwarding and Offloading Info from source NG-RAN node

This IE contains information from a source NG-RAN node regarding per QoS flow proposed data forwarding and offloading.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

QoS Flows To Be Forwarded List

1

>QoS Flows To Be Forwarded Item

1 .. <maxnoofQoSFlows>

>>QoS Flow Identifier

M

9.2.3.10

>>DL Forwarding

M

9.2.3.34

>>UL Forwarding

M

9.2.3.90

This IE shall be ignored.

>>UL Forwarding Proposal

O

9.2.3.95

YES

ignore

>>Source DL Forwarding IP Address

O

Transport Layer Address

9.2.3.29

Identifies the TNL address for data forwarding allocated by the MN node for DC cases and by source NG-RAN node for mobility without MR-DC involved cases

YES

ignore

>>Source Node DL Forwarding IP Address

O

Transport Layer Address

9.2.3.29

This IE is present only for the case of SA to MR-DC handover and it is used to identify the source TNL address allocated by the source NG-RAN node for data forwarding.

YES

ignore

Source DRB to QoS Flow Mapping List

O

DRB to QoS Flow Mapping List

9.2.1.15

Usage of the DRB IDs indicated in the Source DRB to QoS Flow Mapping List IE is specified in TS 37.340 [8].

Range bound

Explanation

maxnoofQoSFlows

Maximum no. of QoS flows allowed within one PDU session. Value is 64.

9.2.1.18 PDU Session Resource Change Required Info – SN terminated

This IE contains information for the S-NG-RAN node initiated request for an S-NG-RAN node change related to a PDU session resource with DRBs configured with an SN terminated bearer option.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Data Forwarding and Offloading Info from source NG-RAN node

O

9.2.1.17

9.2.1.19 PDU Session Resource Change Confirm Info – SN terminated

This IE contains information for the M-NG-RAN node’s confirmation of an S-NG-RAN node initiated request for an S-NG-RAN node change related to a PDU session resource with DRBs configured with an SN terminated bearer option.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Data Forwarding Info from target NG-RAN node

O

9.2.1.16

DRB IDs taken into use

O

DRB List 9.2.1.29

Indicating the DRB IDs taken into use by the target NG-RAN node, as specified in TS 37.340 [8].

YES

reject

9.2.1.20 PDU Session Resource Modification Required Info – SN terminated

This IE contains PDU session resource information of an S-NG-RAN node initiated modification request of DRBs configured with an SN terminated bearer option.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

DL NG-U UP TNL Information at NG-RAN

O

UP Transport Layer Information 9.2.3.30

S-NG-RAN node endpoint of the NG-U transport bearer. For delivery of DL PDUs.

QoS Flows To Be Released List

O

QoS Flow List with Cause

9.2.1.4

Data Forwarding and Offloading Info from source NG-RAN node

O

9.2.1.17

This IE only applies to QoS flows included in the QoS FlowS To Be Released List IE.

DRBs To Be Setup List

0..1

>DRBs to Be Setup Item

1 .. <maxnoofDRBs>

>>DRB ID

M

9.2.3.33

>>PDCP SN Length

O

9.2.3.63

Indicates the PDCP SN length of the DRB.

>>SN UL PDCP UP TNL Information

M

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs.

>>DRB QoS

M

QoS Flow Level QoS Parameters

9.2.3.5

>>secondary SN UL PDCP UP TNL Information

O

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of PDCP Duplication.

>>Duplication Activation

O

9.2.3.71

Information on the initial state of UL PDCP duplication.

This IE is ignored if the RLC Duplication Information IE is present.

>>UL Configuration

O

9.2.3.75

Information about UL usage in the S-NG-RAN node. This IE is used when the concerned DRB has both MCG resource and SCG resource configured i.e. the concerned DRB is configured as split bearer.

>>QoS Flows Mapped To DRB List

1

>>>QoS Flows Mapped To DRB Item

1 .. <maxnoofQoSFlows>

>>>>QoS Flow Identifier

M

9.2.3.10

>>>>MCG requested GBR QoS Flow Information

O

GBR QoS Flow Information

9.2.3.6

This IE contains GBR QoS Flow Information necessary for the MCG part.

>>>>QoS Flow Mapping Indication

O

9.2.3.79

>>RLC Mode

M

9.2.3.28

Indicates the RLC mode at the assisting node.

>>Additional PDCP Duplication TNL List

0..1

YES

ignore

>>>Additional PDCP Duplication TNL Item

1 .. <maxnoofAdditionalPDCPDuplicationTNL>

>>>>Additional PDCP Duplication UP TNL Information

M

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of additional PDCP Duplication.

>>RLC Duplication Information

O

9.2.3.111

YES

ignore

DRBs To Be Modified List

0..1

>DRBs to Be Modified Item

1 .. <maxnoofDRBs>

>>DRB ID

M

9.2.3.33

>>SN UL PDCP UP TNL Information

O

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs.

>>DRB QoS

O

QoS Flow Level QoS Parameters

9.2.3.5

>>secondary SN UL PDCP UP TNL Information

O

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of PDCP Duplication.

>>UL Configuration

O

9.2.3.75

Information about UL usage in the S-NG-RAN node.

>>PDCP Duplication Configuration

O

9.2.3.86

>>Duplication Activation

O

9.2.3.71

This IE is ignored if the RLC Duplication Information IE is present.

>>QoS Flows Mapped to DRB List

0..1

Overwriting the existing QoS Flow List

>>>QoS Flows Mapped to DRB Item

1 .. <maxnoofQoSFlows>

>>>>QoS Flow Identifier

M

9.2.3.10

>>>>MCG requested GBR QoS Flow Information

O

GBR QoS Flow Information

9.2.3.6

This IE contains GBR QoS Flow Information necessary for the MCG part.

>>>>QoS Flow Mapping Indication

O

9.2.3.79

>>Additional PDCP Duplication TNL List

0..1

YES

ignore

>>>Additional PDCP Duplication TNL Item

1 .. <maxnoofAdditionalPDCPDuplicationTNL>

>>>>Additional PDCP Duplication UP TNL Information

M

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint(s) of a DRB’s Xn transport bearer at its PDCP resource. For delivery of UL PDUs in case of additional PDCP Duplication.

>>RLC Duplication Information

O

9.2.3.111

YES

ignore

DRBs To Be Released List

O

DRB List with Cause

9.2.1.28

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs allowed towards one UE. Value is 32.

maxnoofQoSFlows

Maximum no. of QoS flows. Value is 64.

maxnoofAdditionalPDCPDuplicationTNL

Maximum no. of additional PDCP Duplication TNL. Value is 2.

9.2.1.21 PDU Session Resource Modification Confirm Info – SN terminated

This IE contains the PDU session resource related result of an S-NG-RAN node initiated modification of DRBs configured with an SN terminated bearer option.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

UL NG-U UP TNL Information at UPF

O

UP Transport Layer Information 9.2.3.30

UPF endpoint of the NG-U transport bearer. For delivery of UL PDUs

DRBs Admitted to be Setup or Modified List

1

>DRBs Admitted to be Setup or Modified Item

1 .. <maxnoofDRBs>

>>DRB ID

M

9.2.3.33

>>MN DL CG UP TNL Information

O

UP Transport Parameters 9.2.3.76

M-NG-RAN node endpoint(s) of the DRB’s Xn transport at its Lower Layer CG resource. For delivery of DL PDUs.

>>secondary MN DL CG UP TNL Information

O

UP Transport Parameters 9.2.3.76

M-NG-RAN node endpoint(s) of the DRB’s Xn transport at its Lower Layer CG resource. For delivery of DL PDUs at the case of PDCP duplication.

>>LCID

O

9.2.3.70

Shall be ignored by the S-NG-RAN node if received.

>>Additional PDCP Duplication TNL List

0..1

YES

ignore

>>>Additional PDCP Duplication TNL Item

1 .. <maxnoofAdditionalPDCPDuplicationTNL>

>>>>Additional PDCP Duplication UP TNL Information

M

UP Transport Parameters 9.2.3.76

M-NG-RAN node endpoint(s) of the DRB’s Xn transport at its Lower Layer CG resource. For delivery of DL PDUs at the case of additional PDCP duplication.

DRBs Not Admitted To Be Setup or Modified List

O

DRB List with Cause

9.2.1.28

Data Forwarding Info from target NG-RAN node

O

9.2.1.16

Forwarding Addresses for both, QoS flow and DRB level offloading.

DRB IDs taken into use

O

DRB List 9.2.1.29

Indicating the DRB IDs taken into use by the target NG-RAN node, as specified in TS 37.340 [8].

YES

reject

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs allowed towards one UE. Value is 32.

maxnoofQoSFlows

Maximum no. of QoS flows. Value is 64.

maxnoofAdditionalPDCPDuplicationTNL

Maximum no. of additional PDCP Duplication TNL. Value is 2.

9.2.1.22 PDU Session Resource Modification Required Info – MN terminated

This IE contains PDU session resource information of an S-NG-RAN node initiated modification request of DRBs configured with an MN terminated bearer option.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

DRBs To Be Modified List

O

>DRBs To Be Modified Item

1..<maxnoofDRBs>

>>DRB ID

M

9.2.3.33

>>SN DL SCG UP TNL Information

M

UP Transport Layer Information 9.2.3.30

S-NG-RAN node endpoint of a DRB’s Xn transport bearer. For delivery of DL PDUs.

>>secondary SN DL SCG UP TNL Information

O

UP Transport Layer Information 9.2.3.30

S-NG-RAN node endpoint of a DRB’s Xn transport bearer. For delivery of DL PDUs in case of PDCP Duplication

>>LCID

O

9.2.3.70

LCID for primary path or LCID for split secondary path for fallback to split bearer if PDCP duplication is applied

>>RLC Status

O

9.2.3.80

>>Additional PDCP Duplication TNL List

0..1

YES

ignore

>>>Additional PDCP Duplication TNL Item

1 .. <maxnoofAdditionalPDCPDuplicationTNL>

>>>>Additional PDCP Duplication UP TNL Information

M

UP Transport Parameters 9.2.3.76

S-NG-RAN node endpoint of a DRB’s Xn transport bearer. For delivery of DL PDUs in case of additional PDCP Duplication

DRBs To Be Released List

O

DRB List with Cause

9.2.1.28

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs. Value is 32.

maxnoofAdditionalPDCPDuplicationTNL

Maximum no. of additional PDCP Duplication TNL. Value is 2.

9.2.1.23 PDU Session Resource Modification Confirm Info – MN terminated

This IE contains the PDU session resource related result of an S-NG-RAN node initiated modification of DRBs configured with an MN terminated bearer option.

NOTE: In the current version of this specification, this IE has no content, apart from an extension container.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

9.2.1.24 PDU Session List with data forwarding request info

This IE contains a list of PDU session related data forwarding request information.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

PDU Session List with data forwarding request info

1 .. <maxnoofPDUsessions>

>PDU Session ID

M

9.2.3.18

>Data Forwarding and Offloading Info from source NG-RAN node

O

9.2.1.17

>DRBs To Be Released List

O

DRB to QoS Flow Mapping List 9.2.1.15

Indicate the QoS flow mapping and RLC mode of the released DRBs.

>Cause

O

9.2.3.2

YES

ignore

Range bound

Explanation

maxnoofPDUsessions

Maximum no. of PDU sessions. Value is 256.

9.2.1.25 PDU Session List with data forwarding info from the target node

This IE contains a list of PDU session related data forwarding information from the target NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

PDU Session List with data forwarding from the target node

1 .. <maxnoofPDUsessions>

>PDU Session ID

M

9.2.3.18

>Data Forwarding Info from target NG-RAN node

M

9.2.1.16

>DRB IDs taken into use

O

DRB List 9.2.1.29

Indicating the DRB IDs taken into use by the target NG-RAN node, as specified in TS 37.340 [8].

YES

reject

Range bound

Explanation

maxnoofPDUsessions

Maximum no. of PDU sessions. Value is 256.

9.2.1.26 PDU Session List with Cause

This IE contains a list of PDU Sessions, a cause may accompany each list element.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

PDU Session List with Cause

1 .. <maxnoofPDUsessions>

>PDU Session ID

M

9.2.3.18

>Cause

O

9.2.3.2

Range bound

Explanation

maxnoofPDUsessions

Maximum no. of PDU sessions. Value is 256

9.2.1.27 PDU Session List

This IE contains a list of PDU sessions.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

PDU Session List

1 .. <maxnoofPDUsessions>

>PDU Session ID

M

9.2.3.18

Range bound

Explanation

maxnoofPDUsessions

Maximum no. of PDU sessions. Value is 256.

9.2.1.28 DRB List with Cause

This IE contains a list of DRBs, a cause may accompany each list element.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

DRB List with Cause

1 .. <maxnoofDRBs>

>DRB ID

M

9.2.3.33

>Cause

M

9.2.3.2

>RLC Mode

O

9.2.3.28

Indicates the RLC mode for PDCP transfer between M-NG-RAN node and S-NG-RAN node.

Range bound

Explanation

maxnoofDRBs

Maximum no. of PDU sessions. Value is 32.

9.2.1.29 DRB List

This IE contains a list of DRBs.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

DRB List

1 .. <maxnoofDRBs>

>DRB ID

M

9.2.3.33

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs. Value is 32.

9.2.1.30 PDU Session Resource Setup Complete Info – SN terminated

This IE contains information to complete the establishment of Xn-U bearers for SN terminated bearers.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

DRBs To Be Setup List

1

>DRBs to Be Setup Item

1 .. <maxnoofDRBs>

>>DRB ID

M

9.2.3.33

>>MN DL Xn UP TNL Information

M

UP Transport Layer Information 9.2.3.30

M-NG-RAN node endpoint of a DRB’s Xn-U transport. For delivery of DL PDUs.

>>Secondary MN DL Xn UP TNL Information

O

UP Transport Layer Information 9.2.3.30

M-NG-RAN node endpoint of a DRB’s Xn-U transport. For delivery of DL PDUs in case of PDCP Duplication.

YES

ignore

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs allowed towards one UE. Value is 32.

9.2.1.31 Secondary Data Forwarding Info from target NG-RAN node List

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Secondary Data Forwarding Info from target NG-RAN node Item

1..<maxnoofMultiConnectivityMinusOne>

>Secondary Data Forwarding Info from target NG-RAN node

M

Data Forwarding Info from target NG-RAN node

9.2.1.16

Range bound

Explanation

maxnoofMultiConnectivityMinusOne

Maximum no. of MultiConnectivity minus one. Value is 3

9.2.1.32 Additional UL NG-U UP TNL Information at UPF List

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Additional UL NG-U UP TNL Information at UPF Item

1..<maxnoofMultiConnectivityMinusOne>

>Additional UL NG-U UP TNL Information at UPF

M

UP Transport Layer Information

9.2.3.30

>Common Network Instance

O

9.2.3.92

YES

ignore

Range bound

Explanation

maxnoofMultiConnectivityMinusOne

Maximum no. of MultiConnectivity minus one. Value is 3

9.2.1.33 DAPS Request Information

The DAPS Indicator IE indicates that the source NG-RAN node requests a DAPS HO for the concerned DRB.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

DAPS Indicator

M

ENUMERATED (DAPS HO required, …)

Indicates that DAPS HO is requested

9.2.1.34 DAPS Response Information

The DAPS Response Information IE indicates, per DRB, the response to a requested DAPS Handover.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

DAPS Response Information List

1..<maxnoofDRBs>

>DRB ID

M

9.2.3.33

>DAPS Response Indicator

M

ENUMERATED (DAPS HO accepted, DAPS HO not accepted, …)

Indicates whether the DAPS Handover has been accepted.

Range bound

Explanation

maxnoofDRBs

Maximum no. of DRBs allowed towards one UE. Value is 32.

9.2.1.35 Data Forwarding Info from target E-UTRAN node

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Data Forwarding Info from Target E-UTRAN node List

1

>Data Forwarding Info from Target E-UTRAN node Item

1..< maxnoofDataForwardingTunneltoE-UTRAN >

>>DL Forwarding UP TNL Information

M

UP Transport Layer Information 9.2.3.30

>>QoS Flows To Be Forwarded List

1

>>> QoS Flows To Be Forwarded Item

1..<maxnoofQoSFlows>

>>>>QoS Flow Identifier

M

9.2.3.10

Range bound

Explanation

maxnoofDataForwardingTunneltoE-UTRAN

Maximum no. of Data Forwarding Tunnels to E-UTRAN for a UE. Value is 256.

maxnoofQoSflows

Maximum no. of QoS flows in a PDU Session. Value is 64.

9.2.1.36 MBS Session Information List

This IE contains NG-RAN MBS session resource context related information used at UE context transfer between NG-RAN nodes.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

MBS Session Information Item

1..<maxnoofMBSSessions>

>MBS Session ID

M

9.2.3.146

>MBS Area Session ID

O

9.2.3.148

MBS Area Session ID of the UE at the NG-RAN node from which the UE context is transferred

>Active MBS Session Information

O

>>MBS QoS Flows to Add List

1..<maxnoofMBSQoSFlows>

>>>MBS QoS Flow Identifier

M

QoS Flow Identifier

9.2.3.10

>>>MBS QoS Flow Level QoS Parameters

M

QoS Flow Level QoS Parameters

9.2.3.5

>>MBS Service Area

O

9.2.3.150

>>MBS Mapping and Data Forwarding Request Info from source NG-RAN node

O

9.2.1.39

Range bound

Explanation

maxnoofMBSSessions

Maximum no. of MBS Sessions. Value is 256.

maxnoofMBSQoSFlows

Maximum no. of QoS flows allowed within one MBS session. Value is 64.

9.2.1.37 MBS Session Associated Information

This IE contains MBS session resource related information about associated unicast QoS flows.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

MBS Session Associated Information List

1..<maxnoofAssociatedMBSSessions>

The NG-RAN node does not establish resources for the associated unicast QoS Flows included in the MBS Session Information Item IE and replicated in a QoS Flows To Be Setup Item.

An Associated Unicast QoS Flow Identifier appears only once in the MBS Session Information List IE.

>MBS Session ID

M

9.2.3.146

>Associated QoS Flow Information List

1..<maxnoofMBSQoSflows>

>>MBS QoS Flow Identifier

M

QoS Flow Identifier

9.2.3.10

>>Associated Unicast QoS Flow Identifier

M

QoS Flow Identifier

9.2.3.10

Range bound

Explanation

maxnoofMBSQoSFlows

Maximum no. of QoS flows allowed within one MBS session. Value is 64.

maxnoofAssociatedMBSSessions

Maximum no. of MBS Sessions allowed within one PDU session. Value is 32.

9.2.1.38 MBS Session Information Response List

This IE contains NG-RAN MBS session resource context related information to be provided in response to information provided in the MBS Session Information List IE.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

MBS Session Information Response List

1..<maxnoofMBSSessions>

>MBS Session ID

M

9.2.3.146

>MBS Data Forwarding Response Info from target NG-RAN node

O

9.2.1.40

Range bound

Explanation

maxnoofMBSSessions

Maximum no. of MBS Sessions. Value is 256.

9.2.1.39 MBS Mapping and Data Forwarding Request Info from source NG-RAN node

This IE contains information from a source NG-RAN node regarding MBS QoS flow to MRB mapping and data forwarding information.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

MBS Mapping and Data Forwarding Request Info from source NG-RAN node

1 .. <maxnoofMRBs>

>MRB ID

M

9.2.3.145

Contains the MRB ID value allocated at the source NG-RAN node.

>MBS QoS Flow List

1..<maxnoofMBSQoSflows>

>>MBS QoS Flow Identifier

M

QoS Flow Identifier

9.2.3.10

>MRB Progress Information

O

9.2.3.147

The PDCP SN information of the last packet which has already been delivered to the UE for the MRB.

Range bound

Explanation

maxnoofMBSQoSFlows

Maximum no. of QoS flows allowed within one MBS session. Value is 64.

maxnoofMRBs

Maximum no. of MRBs allowed for one MBS Session. Value is 32.

9.2.1.40 MBS Data Forwarding Response Info from target NG-RAN node

This IE contains TNL information for the establishment of data forwarding tunnels towards the target NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

MBS Data Forwarding Response Info from target NG-RAN node

1..<maxnoofMRBs>

>MRB ID

M

9.2.3.145

Contains the MRB ID value allocated at the source NG-RAN node.

>DL Forwarding UP TNL Information

M

UP Transport Layer Information 9.2.3.30

>MRB Progress Information

O

9.2.3.147

This IE includes the information of the oldest packet available at the target NG-RAN node for the MRB.

Range bound

Explanation

maxnoofMRBs

Maximum no. of MRBs. Value is 32.