Message Type

>Procedure Code

M

INTEGER (0..255)

>Type of Message

M

CHOICE (Initiating Message, Successful Outcome, Unsuccessful Outcome, …)

CHOICE Cause Group

M

>Radio Network Layer

>>Radio Network Layer Cause

M

ENUMERATED
(Unspecified,

Unknown or already allocated gNB-CU-CP UE E1AP ID,

Unknown or already allocated gNB-CU-UP UE E1AP ID,

Unknown or inconsistent pair of UE E1AP ID,

Interaction with other procedure,

PDCP Count Wrap Around,

Not supported QCI value,

Not supported 5QI value,

Encryption algorithms not supported,

Integrity protection algorithms not supported,

UP integrity protection not possible,

UP confidentiality protection not possible,

Multiple PDU Session ID Instances,

Unknown PDU Session ID,

Multiple QoS Flow ID Instances,

Unknown QoS Flow ID,

Multiple DRB ID Instances,

Unknown DRB ID,

Invalid QoS combination,

Procedure cancelled,

Normal release,

No radio resources available,

Action desirable for radio reasons,

Resources not available for the slice,

PDCP configuration not supported,

…,

UE DL maximum integrity protected data rate reason,

UP integrity protection failure, Release due to Pre-Emption, RSN not available for the UP, NPN not supported,

Report Characteristics Empty,

Existing Measurement ID,

Measurement Temporarily not Available

Measurement not Supported For The Object,

SCG activation deactivation failure,

SCG deactivation failure due to data transmission, Unknown or already allocated gNB-CU-CP MBS E1AP ID, Unknown or already allocated gNB-CU-UP MBS E1AP ID, Unknown or inconsistent pair of MBS E1AP ID, Unknown or inconsistent MRB ID)

>Transport Layer

>>Transport Layer Cause

M

ENUMERATED
(Unspecified,

Transport Resource Unavailable, …,

Unknown TNL address for IAB)

>Protocol

>>Protocol Cause

M

ENUMERATED
(Transfer Syntax Error,
Abstract Syntax Error (Reject),
Abstract Syntax Error (Ignore and Notify),
Message not Compatible with Receiver State,

Semantic Error,

Abstract Syntax Error (Falsely Constructed Message), Unspecified, …)

>Misc

>>Miscellaneous Cause

M

ENUMERATED
(Control Processing Overload, Not enough User Plane Processing Resources,
Hardware Failure,
O&M Intervention,
Unspecified, …)

Unspecified

Sent for radio network layer cause when none of the specified cause values applies.

Unknown or already allocated gNB-CU-CP UE E1AP ID

The action failed because the gNB-CU-CP UE E1AP ID is either unknown, or (for a first message received at the gNB-CU) is known and already allocated to an existing context.

Unknown or already allocated gNB-CU-UP UE E1AP ID

The action failed because the gNB-CU-UP UE E1AP ID is either unknown, or (for a first message received at the gNB-CU-UP) is known and already allocated to an existing context.

Unknown or inconsistent pair of UE E1AP ID

The action failed because both UE E1AP IDs are unknown, or are known but do not define a single UE context.

Interaction with other procedure

The action is due to an ongoing interaction with another procedure.

PDCP COUNT wrap around

PDCP COUNT approaches the maximum value.

Not supported QCI value

The action failed because the requested QCI is not supported.

Not supported 5QI value

The action failed because the requested 5QI is not supported.

Encryption algorithms not supported

The gNB-CU-UP is unable to support the selected encryption algorithm for the UE.

Integrity protection algorithms not supported

The gNB-CU-UP is unable to support the selected integrity protection algorithm for the UE.

UP integrity protection not possible

The PDU Session (for 5GC) or E-RAB (for EPC) cannot be accepted according to the required user plane integrity protection policy.

UP confidentiality protection not possible

The PDU Session cannot be accepted according to the required user plane confidentiality protection policy

Multiple PDU Session ID Instances

The action failed because multiple instances of the same PDU Session had been provided.

Unknown PDU Session ID

The action failed because the PDU Session ID is unknown.

Multiple QoS Flow ID Instances

The action failed because multiple instances of the same QoS flow had been provided.

Unknown QoS Flow ID

The action failed because the QoS Flow ID is unknow.

Multiple DRB ID Instances

The action failed because multiple instances of the same DRB had been provided.

Unknown DRB ID

The action failed because the DRB ID is unknow.

Invalid QoS combination

The action was failed because of invalid QoS combination

Procedure cancelled

The sending node cancelled the procedure due to other urgent actions to be performed.

Normal release

The action is due to a normal release of the UE (e.g. because of mobility) and does not indicate an error.

No radio resources available

The requested node doesn’t have sufficient radio resources available.

Action desirable for radio reasons

The reason for requesting the action is radio related.

Resources not available for the slice

The requested resources are not available for the slice.

PDCP configuration not supported,

The gNB-CU-UP is unable to support the selected PDCP configuration for the UE.

UE DL maximum integrity protected data rate reason

The request is not accepted in order to comply with the maximum downlink data rate for integrity protection supported by the UE.

UP integrity protection failure

The gNB-CU-UP detects an integrity protection failure in the UL PDU.

Release due to Pre-Emption

Release is initiated due to pre-emption.

RSN not available for the UP

The redundant user plane resources indicated by RSN are not available.

NPN not supported

The action failed because the indicated SNPN is not supported in the node.

Report Characteristics Empty

The action failed because there is no measurement object in the report characteristics.

Existing Measurement ID

The action failed because the measurement ID is already used.

Measurement Temporarily not Available

The gNB-CU-UP can temporarily not provide the requested measurement object.

Measurement not Supported For The Object

At least one of the concerned object(s) does not support the requested measurement.

SCG activation deactivation failure

The action failed due to rejection of the SCG activation deactivation request.

SCG deactivation failure due to data transmission

The SCG deactivation failed due to ongoing or arriving data transmission.

Unknown or already allocated gNB-CU-CP MBS E1AP ID

The action failed because the gNB-CU-CP MBS E1AP ID is either unknown, or (for a first message received at the gNB-CU-CP) is known and already allocated to an existing context.

Unknown or already allocated gNB-CU-UP MBS E1AP ID

The action failed because the gNB-CU-UP MBS E1AP ID is either unknown, or (for a first message received at the gNB-CU-UP) is known and already allocated to an existing context.

Unknown or inconsistent pair of MBS E1AP ID

The action failed because both MBS E1AP IDs are unknown, or are known but do not define a single MBS context.

Unknown or inconsistent MRB ID

The action failed because the MRB ID is unknown or inconsistent.

Unspecified

Sent when none of the above cause values applies but still the cause is Transport Network Layer related.

Transport Resource Unavailable

The required transport resources are not available.

Unknown TNL address for IAB

The action failed because the TNL address is unknown.

This cause value is applicable for IAB only.

Transfer Syntax Error

The received message included a transfer syntax error.

Abstract Syntax Error (Reject)

The received message included an abstract syntax error and the concerning criticality indicated "reject".

Abstract Syntax Error (Ignore And Notify)

The received message included an abstract syntax error and the concerning criticality indicated "ignore and notify".

Message Not Compatible With Receiver State

The received message was not compatible with the receiver state.

Semantic Error

The received message included a semantic error.

Abstract Syntax Error (Falsely Constructed Message)

The received message contained IEs or IE groups in wrong order or with too many occurrences.

Unspecified

Sent when none of the above cause values applies but still the cause is Protocol related.

Control Processing Overload

Control processing overload.

Not Enough User Plane Processing Resources Available

No enough resources are available related to user plane processing.

Hardware Failure

Action related to hardware failure.

O&M Intervention

The action is due to O&M intervention.

Unspecified Failure

Sent when none of the above cause values applies and the cause is not related to any of the categories Radio Network Layer, Transport Network Layer, NAS or Protocol.

Procedure Code

O

INTEGER (0..255)

Procedure Code is to be used if Criticality Diagnostics is part of Error Indication procedure, and not within the response message of the same procedure that caused the error.

Triggering Message

O

ENUMERATED(initiating message, successful outcome, unsuccessful outcome)

The Triggering Message is used only if the Criticality Diagnostics is part of Error Indication procedure.

Procedure Criticality

O

ENUMERATED(reject, ignore, notify)

This Procedure Criticality is used for reporting the Criticality of the Triggering message (Procedure).

Transaction ID

O

9.3.1.53

Information Element Criticality Diagnostics

0 .. <maxnoof Errors>

>IE Criticality

M

ENUMERATED(reject, ignore, notify)

The IE Criticality is used for reporting the criticality of the triggering IE. The value ‘ignore’ is not applicable.

>IE ID

M

INTEGER (0..65535)

The IE ID of the not understood or missing IE.

>Type of Error

M

ENUMERATED(not understood, missing, …)

maxnoofErrors

Maximum no. of IE errors allowed to be reported with a single message. The value for maxnoofErrors is 256.

gNB-CU-CP UE E1AP ID

M

INTEGER (0 .. 2³² -1)

gNB-CU-UP UE E1AP ID

M

INTEGER (0 .. 2³² -1)

Time To wait

M

ENUMERATED(1s, 2s, 5s, 10s, 20s, 60s)

PLMN Identity

M

OCTET STRING (SIZE(3))

– digits 0 to 9, encoded 0000 to 1001,

– 1111 used as filler digit,

two digits per octet,

– bits 4 to 1 of octet n encoding digit 2n-1

– bits 8 to 5 of octet n encoding digit 2n

-The PLMN identity consists of 3 digits from MCC followed by either
-a filler digit plus 2 digits from MNC (in case of 2 digit MNC) or
-3 digits from MNC (in case of a 3 digit MNC).

Slice Support Item IEs

1..<maxnoofSliceItems>

–

–

>S-NSSAI

M

9.3.1.9

–

maxnoofSliceItems

Maximum no. of signalled slice support items. Value is 1024.

SST

M

OCTET STRING (SIZE(1))

SD

O

OCTET STRING (SIZE(3))

Security Algorithm

M

9.3.1.31

User Plane Security Keys

M

9.3.1.32

Cell Group List

1

–

–

>Cell Group Item

1..<maxnoofCellGroups>

–

–

>>Cell Group ID

M

INTEGER

(0..3, …)

Cell group ID as defined in TS 38.331 [10] (0=MCG, 1=SCG). In this version of the specification, values “2” and “3” are not used.

For E-UTRA Cell Groups, the same encoding is used as for NR Cell Groups.

NOTE: There is no corresponding IE defined in TS 36.331 [21].

–

–

>>UL Configuration

O

9.3.1.33

Indicates whether the Cell Group is used for UL traffic.

–

–

>>DL TX Stop

O

ENUMERATED (stop, resume, …)

–

–

>>RAT Type

O

ENUMERATED (E-UTRA, NR, …)

Indicates the RAT.

–

–

>>Number of tunnels

O

INTEGER

(1..4, …)

Indicates the tunnel number of PDCP duplication for this cell group.

YES

ignore

maxnoofCellGroups

Maximum no. of cell groups for a DRB. Value is 4.

QoS Flow List

1

–

–

>QoS Flow Item

1..<maxnoofQoSflows>

–

–

>>QoS Flow Identifier

M

9.3.1.24

–

–

>>QoS Flow Mapping Indication

O

9.3.1.60

Indicates that only the uplink or downlink QoS flow is mapped to the DRB

YES

ignore

>>Data Forwarding Source IP Address

O

Transport Layer Address

9.3.2.4

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

YES

ignore

maxnoofQoSFlows

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

UP Parameters List

1

–

–

>UP Parameters Item

1..<maxnoofUPParameters>

–

–

>>UP Transport Layer Information

M

9.3.2.1

–

–

>>Cell Group ID

M

INTEGER (0..3, …)

Cell group ID as defined in TS 38.331 [10] (0=MCG, 1=SCG). In this version of the specification, values “2” and “3” are not used.

–

–

>>QoS Mapping Information

O

9.3.1.81

This IE is only used for IAB.

YES

reject

maxnoofUPParameters

Maximum no. of UP parameters (e.g., GTP tunnels) for a DRB. Value is 8

PLMN Identity

M

9.3.1.7

NR Cell Identity

M

BIT STRING (SIZE(36))

gNB-CU-UP ID

M

INTEGER (0 .. 2³⁶-1)

DRB ID

M

INTEGER (1.. 32, …)

Corresponds to the DRB-Identity defined in TS 38.331 [10] for the gNB/ ng-eNB CP-UP separation, or in TS 36.331 [33] for the eNB CP-UP separation.

MRB ID

M

INTEGER (1.. 512, …)

QCI

M

INTEGER (0..255)

QoS Class Identifier defined in TS 23.401 [11].

Logical range and coding specified in TS 23.203 [12].

–

–

E-UTRAN Allocation and Retention Priority

M

9.3.1.18

E-UTRAN Allocation and Retention Priority

–

–

GBR QoS Information

O

9.3.1.19

This IE applies to GBR bearers only and is ignored otherwise.

–

–

Priority Level

M

INTEGER (0..15)

Desc.: This IE should be understood as "priority of allocation and retention" (see TS 23.401 [11]).

Usage:

Value 15 means "no priority".

Values between 1 and 14 are ordered in decreasing order of priority, i.e. 1 is the highest and 14 the lowest.

Value 0 shall be treated as a logical error if received.

Pre-emption Capability

M

ENUMERATED(shall not trigger pre-emption, may trigger pre-emption)

Desc.: This IE indicates the pre-emption capability of the request on other E-RABs

Usage:

The E-RAB shall not pre-empt other E-RABs or, the E-RAB may pre-empt other E-RABs

The Pre-emption Capability indicator applies to the allocation of resources for an E-RAB and as such it provides the trigger to the pre-emption procedures/processes of the eNB.

Pre-emption Vulnerability

M

ENUMERATED(not pre-emptable, pre-emptable)

Desc.: This IE indicates the vulnerability of the E-RAB to pre-emption of other E-RABs.

Usage:

The E-RAB shall not be pre-empted by other E-RABs or the E-RAB may be pre-empted by other RABs.

Pre-emption Vulnerability indicator applies for the entire duration of the E-RAB, unless modified, and as such indicates whether the E-RAB is a target of the pre-emption procedures/processes of the eNB.

E-RAB Maximum Bit Rate Downlink

M

Bit Rate

9.3.1.20

Maximum Bit Rate in DL (i.e. from EPC to E-UTRAN) for the bearer.

Details in TS 23.401 [11].

–

–

E-RAB Maximum Bit Rate Uplink

M

Bit Rate

9.3.1.20

Maximum Bit Rate in UL (i.e. from E-UTRAN to EPC) for the bearer.

Details in TS 23.401 [11].

–

–

E-RAB Guaranteed Bit Rate Downlink

M

Bit Rate

9.3.1.20

Guaranteed Bit Rate (provided that there is data to deliver) in DL (i.e. from EPC to E-UTRAN) for the bearer.

Details in TS 23.401 [11].

–

–

E-RAB Guaranteed Bit Rate Uplink

M

Bit Rate

9.3.1.20

Guaranteed Bit Rate (provided that there is data to deliver) in UL (i.e. from E-UTRAN to EPC) for the bearer.

Details in TS 23.401 [11].

–

–

Bit Rate

M

INTEGER (0.. 4,000,000,000,000,…)

The unit is: bit/s

PDU Session ID

M

INTEGER (0 ..255)

PDU Session Type

M

ENUMERATED (IPv4, IPv6, IPv4v6, ethernet, unstructured, …)

Integrity Protection Indication

M

ENUMERATED (required, preferred, not needed, …)

Indicates whether UP integrity protection shall apply, should apply or shall not apply for the concerned PDU Session Resource for the gNB/ng-eNB CP-UP separation, or for the concerned E-RAB for the eNB CP-UP separation.

Confidentiality Protection Indication

M

ENUMERATED (required, preferred, not needed, …)

Indicates whether UP ciphering shall apply, should apply or shall not apply for the concerned PDU Session Resource.

NOTE: This IE is not applicable to eNB CP-UP separation.

Maximum Integrity Protected Data Rate

C-ifIntegrityProtectionrequiredorpreferred

9.3.1.57

If present, this is the value received from the CN for the overall UE capability. This IE is ignored when enforcing the maximum IP data rate.

NOTE: This IE is not applicable to eNB CP-UP separation.

ifIntegrityProtectionrequiredorpreferred

This IE shall be present if the Integrity Protection Indication IE within the Security Indication IE is set to “required” or “preferred”.

QoS Flow Identifier

M

INTEGER (0 ..63)

QoS Flow List

1

–

–

>QoS Flow Item

1..<maxnoofQoSFlows>

–

–

>>QoS Flow Identifier

M

9.3.1.24

–

–

>>QoS Flow Level QoS Parameters

M

9.3.1.26

–

–

>>QoS Flow Mapping Indication

O

9.3.1.60

Indicates that only the uplink or downlink QoS flow is mapped to the DRB. For MBS, this IE is associated with an MRB and always set to "dl".

–

–

>>Redundant QoS Flow Indicator

O

9.3.1.74

This IE indicates that this QoS flow is requested for the redundant transmission.

YES

ignore

>>TSC Traffic Characteristics

O

9.3.1.75

Traffic pattern information associated with the QFI. Details in TS 23.501 [20].

YES

ignore

maxnoofQoSFlows

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

CHOICE QoS Characteristics

M

–

>Non-dynamic 5QI

>>Non Dynamic 5QI Descriptor

M

9.3.1.27

–

>Dynamic 5QI

>>Dynamic 5QI Descriptor

M

9.3.1.28

–

NG-RAN Allocation and Retention Priority

M

9.3.1.29

–

GBR QoS Flow Information

O

9.3.1.30

This IE shall be present for GBR QoS Flows and is ignored otherwise.

–

Reflective QoS Attribute

O

ENUMERATED (subject to, …)

Details in TS 23.501 [20]. This IE applies to Non-GBR flows only and is ignored otherwise.

–

Additional QoS Flow Information

O

ENUMERATED (more likely, …)

This IE indicates that traffic for this QoS flow is likely to appear more often than traffic for other flows established for the PDU Session.

–

Paging Priority Indicator (PPI)

O

9.3.1.55

–

RDI

O

ENUMERATED (enabled, …)

Indicates whether Reflective QoS flow to DRB mapping should be applied.

–

QoS Monitoring Request

O

ENUMERATED (UL, DL, Both, …)

Indicates to measure UL, or DL, or both UL/DL delays for the associated QoS flow.

YES

ignore

MCG Offered GBR QoS Flow Information

O

GBR QoS Flow Information 9.3.1.30

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

YES

ignore

QoS Monitoring Reporting Frequency

O

INTEGER (1..1800, …)

Indicates the Reporting Frequency for RAN part delay for Qos monitoring.

Units: second

YES

ignore

QoS Monitoring Disabled

O

ENUMERATED (true, …)

Indicates to stop the QoS monitoring.

YES

ignore

Data Forwarding Source IP Address

O

Transport Layer Address

9.3.2.4

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

YES

ignore

5QI

M

INTEGER (0..255, …)

This IE contains the standardized or pre-configured 5QI as specified in TS 23.501 [20].

–

–

Priority Level

O

9.3.1.51

For details see TS 23.501 [20]. When included overrides standardized or pre-configured value.

–

–

Averaging Window

O

9.3.1.49

This IE applies to GBR QoS Flows only. For details see TS 23.501 [20]. When included overrides standardized or pre-configured value.

–

–

Maximum Data Burst Volume

O

9.3.1.50

For details see TS 23.501 [20]. When included overrides standardized or pre-configured value.

–

–

CN Packet Delay Budget Downlink

O

Extended Packet Delay Budget

9.3.1.79

Core Network Packet Delay Budget is specified in TS 23.501 [9]. This IE may be present in case of GBR QoS flows and is ignored otherwise.

YES

ignore

CN Packet Delay Budget Uplink

O

Extended Packet Delay Budget

9.3.1.79

Core Network Packet Delay Budget is specified in TS 23.501 [9]. This IE may be present in case of GBR QoS flows and is ignored otherwise.

YES

ignore

Priority Level

M

9.3.1.51

For details see TS 23.501 [20].

–

–

Packet Delay Budget

M

9.3.1.47

For details see TS 23.501 [20]. This IE is ignored if the Extended Packet Delay Budget IE is present.

–

–

Packet Error Rate

M

9.3.1.48

For details see TS 23.501 [20].

–

–

5QI

O

INTEGER (0..255,…)

This IE contains the dynamically assigned 5QI as specified in TS 23.501 [20].

–

–

Delay Critical

C-ifGBRflow

ENUMERATED (delay critical, non-delay critical)

For details see TS 23.501 [20].

–

–

Averaging Window

C-ifGBRflow

9.3.1.49

For details see TS 23.501 [20].

–

–

Maximum Data Burst Volume

O

9.3.1.50

For details see TS 23.501 [20]. This IE shall be included if the Delay Critical IE is set to “delay critical” and is ignored otherwise.

–

–

Extended Packet Delay Budget

O

Extended Packet Delay Budget

9.3.1.79

Packet Delay Budget is specified in TS 23.501 [9]

YES

ignore

CN Packet Delay Budget Downlink

O

Extended Packet Delay Budget

9.3.1.79

Core Network Packet Delay Budget is specified in TS 23.501 [9]. This IE may be present in case of GBR QoS flows and is ignored otherwise.

YES

ignore

CN Packet Delay Budget Uplink

O

Extended Packet Delay Budget

9.3.1.79

Core Network Packet Delay Budget is specified in TS 23.501 [9]. This IE may be present in case of GBR QoS flows and is ignored otherwise.

YES

ignore

ifGBRflow

This IE shall be present if the GBR QoS Flow Information IE is present in the QoS Flow Level QoS Parameters IE.

Priority Level

M

INTEGER (1..15)

Desc.: This IE defines the relative importance of a resource request (see TS 23.501 [20]).

Usage: Values are ordered in decreasing order of priority, i.e., with 1 as the highest priority and 15 as the lowest priority. Further usage is defined in TS 23.501 [20].

Pre-emption Capability

M

ENUMERATED (shall not trigger pre-emption, may trigger pre-emption)

Desc.: This IE indicates the pre-emption capability of the request on other QoS flows.

Usage: The QoS flow shall not pre-empt other QoS flows or, the QoS flow may pre-empt other QoS flows.

Specified in TS 23.501 [20]

NOTE: The Pre-emption Capability indicator applies to the allocation of resources for a QoS flow and as such it provides the trigger to the pre-emption procedures/processes of the NG-RAN node.

Pre-emption Vulnerability

M

ENUMERATED (not pre-emptable, pre-emptable)

Desc.: This IE indicates the vulnerability of the QoS flow to pre-emption of other QoS flows.

Usage: The QoS flow shall not be pre-empted by other QoS flows or the QoS flow may be pre-empted by other QoS flows. Specified in TS 23.501 [20]

NOTE: The Pre-emption Vulnerability indicator applies for the entire duration of the QoS flow, unless modified and as such indicates whether the QoS flow is a target of the pre-emption procedures/processes of the NG-RAN node.

Maximum Flow Bit Rate Downlink

M

Bit Rate

9.3.1.20

Maximum Bit Rate in DL. Details in TS 23.501 [20].

–

Maximum Flow Bit Rate Uplink

M

Bit Rate

9.3.1.20

Maximum Bit Rate in UL. Details in TS 23.501 [20].

–

Guaranteed Flow Bit Rate Downlink

M

Bit Rate

9.3.1.20

Guaranteed Bit Rate (provided there is data to deliver) in DL. Details in TS 23.501 [20].

–

Guaranteed Flow Bit Rate Uplink

M

Bit Rate

9.3.1.20

Guaranteed Bit Rate (provided there is data to deliver). Details in TS 23.501 [20].

–

Maximum Packet Loss Rate Downlink

O

Packet Loass Rate

9.3.1.46

Indicates the maximum rate for lost packets that can be tolerated in the downlink direction. Details in TS 23.501 [20].

–

Maximum Packet Loss Rate Uplink

O

Packet Loss Rate

9.3.1.46

Indicates the maximum rate for lost packets that can be tolerated in the uplink direction. Details in TS 23.501 [20].

–

Alternative QoS Parameters Set List

O

9.3.1.93

Indicates alternative sets of QoS Parameters for the QoS flow.

YES

Ciphering Algorithm

M

ENUMERATED (NEA0, 128-NEA1, 128-NEA2, 128-NEA3)

As defined in TS 33.501 [13] for NG-RAN or TS 33.401 [32] for E-UTRAN where the corresponding enumerated value is EEA0, 128-EEA1, 128-EEA2, 128-EEA3.

Integrity Protection Algorithm

O

ENUMERATED (NIA0, 128-NIA1, 128-NIA2, 128-NIA3)

As defined in TS 33.501 [13] for NG-RAN or TS 33.401 [32] for E-UTRAN where the corresponding enumerated value is EIA0, 128-EIA1, 128-EIA2, 128-EIA3.

Encryption Key

M

OCTET STRING

As defined in TS 33.501 [13] for gNB or ng-eNB CP-UP separation, or in TS 33.401 [32] for eNB CP-UP separation.

Integrity Protection Key

O

OCTET STRING

As defined in TS 33.501 [13] for NG-RAN or TS 33.401 [32] for eNB CP-UP separation..

UL Configuration

M

ENUMERATED (no-data, shared, only, ..)

Indicates the UL configuration for a Cell Group that is part of a DRB. “no data” means that the Cell Group is not used for UL data. “shared” means that the Cell Group is used for UL data together with at least another Cell Group. “only” means that only this Cellg Group is used for UL data.

UP Parameters List

1

–

–

>UP Parameters Item

1..<maxnoofUPParameters>

–

–

>>Cell Group ID

M

INTEGER (0..3, …)

Cell group ID as defined in TS 38.331 [10] (0=MCG, 1=SCG). Used to identify the Cell Group to modify. In this version of the specification, values “2” and “3” are not used.

–

–

>>UP Transport Layer Information

M

9.3.2.1

–

–

>>UL Configuration

O

9.3.1.33

Indicates whether the Cell Group is used for UL traffic.

–

–

maxnoofUPParameters

Maximum no. of UP parameters (e.g., GTP tunnels) for a DRB. Value is 8.

>PDCP SN

M

INTEGER (0 .. ..2^PDCP_SN_Size-1)

The PDCP SN Size is provided in the PDCP Configuration IE.

>HFN

M

INTEGER (0 .. 2^{32-PDCP_SN_Size}-1)

The PDCP SN Size is provided in the PDCP Configuration IE.

NR CGI Support Item IEs

1..<maxnoofNRCGI>

>NR CGI

M

9.3.1.14

maxnoofNRCGI

Maximum no. of supported NR CGIs. Value is 512. This range may be redefined.

E-UTRAN QoS Support List

O

>E-UTRAN QoS Support Item

1..<maxnoofEUTRNQOSParameters>

>>E-UTRAN QoS

M

9.3.1.17

NG-RAN QoS Support List

O

>NG-RAN QoS Support Item

1..<maxnoofNGRANQOSParameters>

>>Non Dynamic 5QI Descriptor

M

9.3.1.27

maxnoofEUTRANQOSParameters

Maximum no. of supported E-UTRAN QoS parameters. Value is 256. This range may be redefined.

maxnoofNGRANQOSParameters

Maximum no. of supported NG-RAN QoS parameters. Value is 256. This range may be redefined.

PDCP SN UL Size

M

PDCP SN Size

9.3.1.61

Indicates the PDCP SN UL size in bits. For more information see PDCP-Config IE in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

Is ignored if received through DRB To Modify List IE in the BEARER CONTEXT MODIFICATION REQUEST message.

–

–

PDCP SN DL Size

M

PDCP SN Size

9.3.1.61

Indicates the PDCP SN DL size in bits. For more information see PDCP-Config IE in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

Is ignored if received through DRB To Modify List IE in the BEARER CONTEXT MODIFICATION REQUEST message.

–

–

RLC mode

M

ENUMERATED (RLC-TM, RLC-AM, RLC-UM-Bidirectional, RLC-UM-Unidirectional-UL, RLC-UM-Unidirectional-DL, …)

Indicates the RLC mode for the DRB. For more information see PDCP-Config IE in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

Is ignored if received through DRB To Modify List IE in the BEARER CONTEXT MODIFICATION REQUEST message.

–

–

ROHC Parameters

O

9.3.1.40

–

–

T-Reordering Timer

O

9.3.1.41

–

–

Discard Timer

O

9.3.1.42

This IE is ignored if the Discard Timer Extended IE is present.

–

–

UL Data Split Threshold

O

9.3.1.43

–

–

PDCP Duplication

O

ENUMERATED (True, …)

Indicates whether PDCP duplication is to be configured for the DRB. This IE is ignored when the “Additional PDCP duplication Information” IE is present.

–

–

PDCP Re-establishment

O

ENUMERATED (true,…)

Indicates PDCP entity re-establishment to be triggered as defined in TS 38.323 [17] for gNB or ng-eNB CP-UP separation, or in TS 36.323 [34] for eNB CP-UP separation.

–

–

PDCP Data Recovery

O

ENUMERATED (true,…)

Indicates PDCP data recovery to be triggered as defined in TS 38.323 [17] for gNB or ng-eNB CP-UP separation, or in TS 36.323 [34] for eNB CP-UP separation.

–

–

Duplication Activation

O

ENUMERATED (

Active, Inactive, …)

Information on the initial state of DL PDCP duplication

–

–

Out Of Order Delivery

O

ENUMERATED (true,…)

Indicates whether or not outOfOrderDelivery specified in TS 38.323 [17] is configured. Out of order delivery is configured only when the radio bearer is established for gNB or ng-eNB CP-UP separation, or indicates whether or not rlc-OutOfOrderDelivery in TS 36.323 [34] is configured for eNB CP-UP separation.

–

–

PDCP Status Report Indication

O

ENUMERATED (downlink, uplink, both, …)

For AM DRB, “downlink” indicates that the PDCP entity is configured to send PDCP status report(s) to the UE, and “uplink” indicates that the UE is configured to send PDCP status report(s), as specified in TS 38.323 [17] for gNB or ng-eNB CP-UP separation, or in TS 36.323 [34] for eNB CP-UP separation. “both” indicates that both “downlink” and “uplink” should be applied.

YES

ignore

Additional PDCP duplication Information

O

ENUMERATED (three, four, …)

Indicates the number of PDCP duplication configured when it is more than 2 for the DRB

YES

ignore

EHC Parameters

O

9.3.1.90

YES

ignore

UDC Parameters

O

9.3.1.104

YES

ignore

Discard Timer Extended

O

9.3.1.128

YES

reject

Default DRB

M

ENUMERATED (True, False, …)

Indicates whether or not this is the default DRB for the PDU Session Resource. For more information see SDAP-Config IE in TS 38.331 [10].

SDAP Header UL

M

ENUMERATED (Present, Absent, …)

Indicates whether or not a SDAP header is present for UL data on this DRB. For more information see SDAP-Config IE in TS 38.331 [10].

SDAP Header DL

M

ENUMERATED (Present, Absent, …)

Indicates whether or not a SDAP header is present for DL data on this DRB. For more information see SDAP-Config IE in TS 38.331 [10].

Choice ROHC Parameters

M

For more information see PDCP-Config IE in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

>ROHC

>>max CID

M

INTEGER (0..16383)

See description of maxCID inTS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

>>ROHC Profiles

M

INTEGER (0..511)

Bitmap with supported UE profiles, bit 0 (LSB 0) = profile0x0001, bit 1 = profile0x0002, bit 2 = profile0x0003, bit 3 = profile0x0004, bit 4 = profile0x0006, bit 5 = profile0x0101, bit 6 = profile0x0102, bit 7 = profile0x0103, bit 8 = profile0x0104. See description of supportedROHC-Profiles in PDCP-Parameters in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

>>Continue ROHC

O

ENUMERATED
(true, …)

See description of drb-ContinueROHC inTS 38.331 [10]

>uplinkOnlyROHC

>>max CID

M

INTEGER (0..16383)

See description of maxCID inTS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

>>ROHC Profiles

M

INTEGER (0..511)

Bitmap with supported UE profiles, bit 4 = profile0x0006. See description of supportedROHC-Profiles in PDCP-Parameters in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

>>Continue ROHC

O

ENUMERATED
(true, …)

See description of drb-ContinueROHC inTS 38.331 [10]

T-Reordering Timer

M

ENUMERATED (0, 1, 2, 4, 5, 8, 10, 15, 20, 30, 40, 50, 60, 80, 100, 120, 140, 160, 180, 200, 220, 240, 260, 280, 300, 500, 750, 1000, 1250, 1500, 1750, 2000, 2250, 2500, 2750, 3000, …)

Indicates the t-Reordering UL timer. The values are expressed in ms. For more information see PDCP-Config IE in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

Discard Timer

ENUMERATED (10, 20, 30, 40, 50, 60, 75, 100, 150, 200, 250, 300, 500, 750, 1500, Infinity)

Indicates the PDCP discard timer. The values are expressed in ms. For more information see PDCP-Config IE in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

UL Data Split Threshold

ENUMERATED (0, 100, 200, 400, 800, 1600, 3200, 6400, 12800, 25600, 51200, 102400, 204800, 409600, 819200, 1228800, 1638400, 2457600, 3276800, 4096000, 4915200, 5734400, 6553600, Infinity, …)

Indicates the UL data split threshold. The values are expressed in bytes. For more information see PDCP-Config IE in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

Data usage report Item

1 .. <maxnoofDRBs>

–

–

>DRB ID

M

9.3.1.16

–

–

> RAT Type

M

ENUMERATED (NR, …, E-UTRA)

–

–

>DRB Usage Report List

1

–

–

>>DRB Usage Report Item

1.. <maxnooftimeperiods>

–

–

>>>Start timestamp

M

OCTET STRING (SIZE(4))

Encoded in the same format as the first four octets of the 64-bit timestamp format as defined in section 6 of IETF RFC 5905 [14]. It indicates the UTC time when the recording of the Data Volume was started.

–

–

>>>End timestamp

M

OCTET STRING (SIZE(4))

Encoded in the same format as the first four octets of the 64-bit timestamp format as defined in section 6 of IETF RFC 5905 [14]. It indicates the UTC time when the recording of the Data Volume was ended.

–

–

>>>Usage count UL

M

INTEGER (0..2⁶⁴-1)

The unit is: octets.

–

–

>>>Usage count DL

M

INTEGER (0..2⁶⁴-1)

The unit is: octets.

–

–

maxnoofDRBs

Maximum no. of DRBs. Value is 32.

Maxnooftimeperiods

Maximum no. of time reporting periods. Value is 2.

QoS Flow Item IEs

1..<maxnoofQoSFlows>

–

–

>QoS Flow Identifier

M

9.3.1.24

–

–

>Cause

M

9.3.1.2

–

–

maxnoofQoSFlows

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

Packet Loss Rate

M

INTEGER (0..1000, …)

Ratio of lost packets per number of packets sent, expressed in tenth of percent.

Packet Delay Budget

M

INTEGER (0..1023, …)

Upper bound value for the delay that a packet may experience expressed in unit of 0.5ms.

Scalar

M

INTEGER (0..9, …)

The packet error rate is expressed as Scalar x 10-k where k is the Exponent.

Exponent

M

INTEGER (0..9, …)

Averaging Window

M

INTEGER (0..4095, …)

Unit: ms.

The default value is 2000ms.

Maximum Data Burst Volume

M

INTEGER (0..4095, …, 4096.. 2000000)

Unit: byte.

Priority Level

M

INTEGER (1..127, …)

Values ordered in decreasing order of priority i.e. with 1 as the highest priority and 127 as the lowest priority.

Integrity Protection Result

M

ENUMERATED (performed, not performed, …)

Indicates whether UP integrity protection is performed or not for the concerned PDU Session Resource for the gNB/ng-eNB CP-UP separation, or for the concerned DRB for the eNB CP-UP separation.

Confidentiality Protection Result

M

ENUMERATED (performed, not performed, …)

Indicates whether UP ciphering is performed or not for the concerned PDU Session Resource.

NOTE: This IE is not applicable to eNB CP-UP separation.

Transaction ID

M

INTEGER (0..255, …)

Inactivity Timer

M

INTEGER

(1.. 7200, …)

Indicates the inactivity timer. The values are expressed in seconds.

PPI

M

INTEGER

(0.. 7, …)

gNB-CU-UP Capacity

M

INTEGER(0..255)

–

–

Maximum IP rate

M

ENUMERATED (64kbps, max-UErate, …)

Defines the upper bound of the aggregated data rate of user plane integrity protected data. This limit applies to both UL and DL independently.

PDCP Status Transfer UL

1

–

>Receive Status Of PDCP SDU

O

BIT STRING (SIZE(1.. 131072))

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

PDCP Count

9.3.1.35

PDCP-SN and Hyper Frame Number of the first missing UL SDU

–

PDCP Status Transfer DL

1

–

>DL COUNT Value

M

PDCP Count

9.3.1.35

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.

–

QoS Flow Mapping Item

1..<maxnoofQoSFlows>

–

>QoS Flow Identifier

M

9.3.1.24

–

>QoS Flow Mapping Indication

O

9.3.1.60

–

maxnoofQoSFlows

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

QoS Flow Mapping Indication

M

ENUMERATED (ul, dl, …)

Indicates that only the uplink or downlink QoS flow is mapped to the DRB.

If applied to an MRB, the IE is always set to "dl".

PDCP SN Size

M

ENUMERATED (s-12, s-18, …, s-7, s-15, s-16)

Indicates the PDCP SN size in bits. For more information see PDCP-Config IE in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

Network Instance

M

INTEGER (1..256, …)

Data Usage per PDU Session Report

O

–

>Secondary RAT Type

M

ENUMERATED (nR, e-UTRA…)

>PDU session Timed Report List

M

MR-DC Data Usage Report List

9.3.1.64

Data Usage per QoS Flow List

O

>Data Usage per QoS Flow Item

1..<maxnoofQoSFlows>

–

>>QoS Flow Indicator

M

9.3.1.24

–

>>Secondary RAT Type

M

ENUMERATED (nR, e-UTRA…)

–

>>QoS Flow Timed Report List

M

MR-DC Data Usage Report List

9.3.1.64

–

maxnoofQoSFlows

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

MR-DC Data Usage Report Item

1.. <maxnooftimeperiods>

>Start timestamp

M

OCTET STRING (SIZE(4))

UTC time encoded in the same format as the first four octets of the 64-bit timestamp format as defined in section 6 of IETF RFC 5905 [14]. It indicates the start time of the collecting period of the included Usage Count UL IE and Usage Count DL IE.

>End timestamp

M

OCTET STRING (SIZE(4))

UTC time encoded in the same format as the first four octets of the 64-bit timestamp format as defined in section 6 of IETF RFC 5905 [14]. It indicates the end time of the collecting period of the included Usage Count UL IE and Usage Count DL IE.

>Usage count UL

M

INTEGER (0..2⁶⁴-1)

The unit is: octets.

>Usage count DL

M

INTEGER (0..2⁶⁴-1)

The unit is: octets.

maxnooftimeperiods

Maximum no. of time reporting periods. Value is 2.

gNB-DU ID

M

INTEGER (0 .. 2³⁶-1)

The gNB-DU ID is independently configured from cell identifiers, i.e. no connection between gNB-DU ID and cell identifiers.

Common Network Instance

M

OCTET STRING

The octets of OCTET STRING are encoded as the Network Instance field of the Network Instance IE specified in TS 29.244 [29]

Activity Notification Level

M

ENUMERATED (DRB, PDU Session, UE, …)

Trace ID

M

OCTET STRING (SIZE(8))

This IE is composed of the following:

Trace Reference defined in TS 32.422 [24] (leftmost 6 octets, with PLMN information encoded as in 9.3.1.7), and

Trace Recording Session Reference defined in TS 32.422 [24] (last 2 octets).

–

–

Interfaces To Trace

M

BIT STRING (SIZE(8))

Each position in the bitmap represents an NG-RAN node interface:

first bit = NG-C, second bit = Xn-C, third bit = Uu, fourth bit = F1-C, fifth bit = E1:

other bits reserved for future use. Value ‘1’ indicates ‘should be traced’. Value ‘0’ indicates ‘should not be traced’.

–

–

Trace Depth

M

ENUMERATED (minimum, medium, maximum, minimumWithoutVendorSpecificExtension,

mediumWithoutVendorSpecificExtension,

maximumWithoutVendorSpecificExtension, …)

Defined in TS 32.422 [24].

–

–

Trace Collection Entity IP Address

M

Transport Layer Address

9.3.2.4

For File based Reporting.

Defined in TS 32.422 [24].

Should be ignored if URI is present.

–

–

Trace Collection Entity URI

O

9.3.2.8

For Streaming based Reporting.

Defined in TS 32.422 [24]

Replaces Trace Collection Entity IP Address if present.

YES

ignore

MDT Configuration

O

9.3.1.85

YES

ignore

Subscriber Profile ID for RAT/Frequency priority

M

INTEGER (1.. 256, …)

Additional RRM Policy Index

M

BIT STRING (SIZE(32))

DRB Removed List

1

–

>DRB Removed Item

1..<maxnoofDRBs>

–

>>DRB ID

M

9.3.1.16

–

>>DRB Released In Session

O

ENUMERATED (released in session, not released in session, …)

Indicates if the DRB was “in session” or not (as defined in TS 32.425 [26] and TS 28.552 [22]) when released

–

>>DRB Accumulated Session Time

O

OCTET STRING (SIZE(5))

Accumulated “in session” time for the DRB, as defined in TS 32.425 [26] and TS 28.552 [22], in milliseconds

–

>>QoS Flow Removed List

0..1

–

>>>QoS Flow Removed Item

1..< maxnoofQoSFlows >

–

>>>>QoS Flow Identifier

M

9.3.1.24

–

>>>>QoS Flow Released In Session

O

ENUMERATED (released in session, not released in session, …)

Indicates if the QoS Flow was “in session” or not (as defined in TS 28.552 [22]), when released

–

>>>>QoS Flow Accumulated Session Time

O

OCTET STRING (SIZE(5))

Accumulated “in session” time for the QoS Flow, as defined in TS 28.552 [22], in milliseconds

–

maxnoofDRBs

Maximum no. of DRBs for a UE. Value is 32.

maxnoofQoSFlows

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

DL TNL Offered Capacity

M

INTEGER (0.. 16777216,…)

Maximum capacity in kbps

DL TNL Available Capacity

M

INTEGER (0.. 100,…)

Available capacity. Value 100 corresponds to the offered capacity.

UL TNL Offered Capacity

M

INTEGER (0.. 16777216,…)

Maximum capacity in kbps

UL TNL Available Capacity

M

INTEGER (0.. 100,…)

Available capacity. Value 100 corresponds to the offered capacity.

Offered Throughput

M

INTEGER (1.. 16777216,…)

Maximum capacity offered by the gNB-CU-UP in kbps

Available Throughput

M

INTEGER(0..100, …)

Average available capacity at the gNB-CU-UP. Value 100 corresponds to the offered throughput.

Redundant QoS Flow Indicator

M

ENUMERATED (true, false)

This IE indicates that this QoS flow is requested for the redundant transmission. Value “true” indicates that redundant transmission is requested for this QoS flow. Value “false” indicates that redundant transmission is requested to be stopped if started.

TSC Assistance Information Downlink

O

TSC Assistance Information

9.3.1.76

TSC Assistance Information Uplink

O

TSC Assistance Information

9.3.1.76

Periodicity

M

9.3.1.77

–

Burst Arrival Time

O

9.3.1.78

–

Survival Time

O

9.3.1.103

YES

ignore

Periodicity

M

INTEGER (0..640000, …)

Periodicity expressed in units of 1 us.

Burst Arrival Time

M

OCTET STRING

Encoded in the same format as the ReferenceTime IE as defined in TS 38.331 [10]. The value is truncated to 1 us granularity.

Extended Packet Delay Budget

M

INTEGER (0..65535, …)

Upper bound value for the delay that a packet may experience expressed in unit of 0.01ms.

RSN

M

ENUMERATED (v1, v2, …)

–

–

PDU Session Pair ID

O

INTEGER

(0..255, …)

as defined in TS 23.501 [20]. This IE is not used in the response message. If received, the gNB-CU-CP shall ignore it.

YES

ignore

DSCP

O

BIT STRING (SIZE(6))

Flow Label

O

BIT STRING (SIZE(20))

NID

M

BIT STRING (SIZE(44))

CHOICE NPN Support Information

M

>NPN Support Information -SNPN

>>NID

M

9.3.1.82

This IE is associated with the PLMN Identity and the Slice Support List contained in the Supported PLMNs IE.

Together with the PLMN Identity it identifies the SNPN supported by the gNB-CU-UP.

CHOICE NPN Context Information

M

>SNPN Information

>>NID

M

9.3.1.82

This IE is associated with Serving PLMN information contained in bearer context related E1AP message.

Together with the Serving PLMN identity it identifies the serving SNPN.

MDT Activation

M

ENUMERATED (Immediate MDT only, Immediate MDT and Trace,…)

CHOICE MDT Mode

M

>Immediate MDT

>>Measurements to Activate

M

BITSTRING

(SIZE(8))

Each position in the bitmap indicates a MDT measurement, as defined in TS 37.320 [27].

Fourth Bit = M4,

Seventh Bit = M6,

Eighth Bit = M7.

Value “1” indicates “activate” and value “0” indicates “do not activate”.

This version of the specification does not use bits 1, bit 2, bit 3, bit 5 and bit 6.

>>M4 Configuration

C-ifM4

9.3.1.86

>>M6 Configuration

C-ifM6

9.3.1.87

>>M7 Configuration

C-ifM7

9.3.1.88

ifM4

This IE shall be present if the Measurements to Activate IE has the fourth bit set to “1”.

ifM6

This IE shall be present if the Measurements to Activate IE has the seventh bit set to “1”.

ifM7

This IE shall be present if the Measurements to Activate IE has the eighth bit set to “1”.

M4 Collection Period

M

ENUMERATED (ms1024, ms2048, ms5120, ms10240, min1, …)

–

–

M4 Links to log

M

ENUMERATED(uplink, downlink, both-uplink-and-downlink, …)

–

–

M4 Report Amount

O

ENUMERATED (1, 2, 4, 8, 16, 32, 64, infinity, …)

Number of reports.

YES

ignore

M6 Report Interval

M

ENUMERATED (ms120, ms240, ms480, ms640,ms1024, ms2048, ms5120, ms10240, ms20480, ms40960, min1,min6, min12, min30, …)

–

–

M6 Links to log

M

ENUMERATED(uplink, downlink, both-uplink-and-downlink, …)

–

–

M6 Report Amount

O

ENUMERATED (1, 2, 4, 8, 16, 32, 64, infinity,…)

Number of reports.

YES

ignore

M7 Collection Period

M

INTEGER (1..60, …)

–

–

M7 Links to log

M

ENUMERATED(uplink, …)

–

–

M7 Report Amount

O

ENUMERATED (1, 2, 4, 8, 16, 32, 64, infinity,…)

Number of reports.

YES

ignore

MDT PLMN List

1..<maxnoofMDTPLMNs>

>PLMN Identity

M

9.3.1.7

maxnoofMDTPLMNs

Maximum no. of PLMNs in the MDT PLMN list. Value is 16.

EHC Common

M

–

–

>EHC-CID-Length

M

ENUMERATED { bits7, bits15, … }

See description of ehc-CID-Length in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

–

–

EHC Downlink

O

–

–

>drb-ContinueEHC-DL

M

ENUMERATED { true, …, false }

See description of drb-ContinueEHC-DL in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation. The value “false” indicates that the PDCP entity resets the downlink EHC header compression protocol during PDCP re-establishment.

–

–

>maxCID-EHC-DL

O

INTEGER(1..32767, …)

Indicate the maximum number of DL EHC contexts that can be established for the DRB. The total value of maxCID-EHC-DL plus maxCID-EHC-UL(as specified in TS 38.331) across all bearers for the UE should be less than or equal to the value of maxNumberEHC-Contexts parameter as indicated by the UE.

YES

ignore

EHC Uplink

O

–

–

>drb-ContinueEHC-UL

M

ENUMERATED { true, …, false }

See description of drb-ContinueEHC-UL in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation. The value “false” indicates that the PDCP entity resets the uplink EHC header compression protocol during PDCP re-establishment.

–

–

DAPS Indicator

M

ENUMERATED (DAPS HO required, …)

Indicates that DAPS HO is requested

CHOICE Early Forwarding

M

>First DL COUNT

>>FIRST DL COUNT Value

M

PDCP Count

9.3.1.35

PDCP-SN and Hyper frame number of the first DL SDU that the source NG-RAN node forwards to the target NG-RAN node

>DL Discarding

>>DISCARD DL COUNT Value

M

PDCP Count

9.3.1.35

PDCP-SN and Hyper frame number for which the target NG-RAN node should discard forwarded DL SDUs associated with lower values.

Alternative QoS Parameters Item

1..<maxnoofQoSParaSets>

>Alternative QoS Parameters Index

M

INTEGER (1..8,..)

>Guaranteed Flow Bit Rate Downlink

O

Bit Rate

9.3.1.20

>Guaranteed Flow Bit Rate Uplink

O

Bit Rate

9.3.1.20

>Packet Delay Budget

O

9.3.1.47

>Packet Error Rate

O

9.3.1.48

maxnoofQoSParaSets

Maximum no. of alternative sets of QoS Parameters allowed for the QoS under Notification Control. Value is 8.

Slice Support Item IEs

1..<maxnoofExtSliceItems>

–

>S-NSSAI

M

9.3.1.9

–

maxnoofExtSliceItems

Maximum no. of signalled slice support items. Value is 65535.

gNB-CU-CP Name Visible

O

VisibleString (SIZE(1..150, …))

–

gNB-CU-CP Name UTF8

O

UTF8String (SIZE(1..150, …))

–

gNB-CU-UP Name Visible

O

VisibleString (SIZE(1..150, …))

–

gNB-CU-UP Name UTF8

O

UTF8String (SIZE(1..150, …))

–

Extended NR CGI Support Item IEs

0..<maxnoofExtNRCGI>

>NR CGI

M

9.3.1.14

maxnoofExtNRCGI

Maximum no. of extended NR CGIs supported. Value is 16384.

Direct Forwarding Path Availability

M

ENUMERATED (inter-system direct path available, …, intra-system direct path available)

IAB-donor-CU-UP PSK Info Item IEs

1..< maxnoofPSKs >

>IAB-Donor-CU-UP PSK

M

OCTET STRING

This IE contains the K_IAB-CU-UP as defined in TS 33.501 [13].

>IAB-Donor-CU-UP IP Address

M

9.3.2.4

>IAB-DU IP Address

M

9.3.2.4

maxnoofPSKs

Maximum no. of PSKs to be updated in one E1AP procedure. Value is 256.

ECGI Support Item IEs

1..<maxnoofECGI>

>ECGI

M

9.3.1.101

maxnoofECGI

Maximum no. of supported ECGIs. Value is 512. This range may be redefined.

PLMN Identity

M

9.3.1.7

E-UTRAN Cell Identity

M

BIT STRING (SIZE(28))

UE Slice Maximum Bit Rate Item

1..< maxnoofSMBRValues>

>S-NSSAI

M

9.3.1.9

>UE Slice Maximum Bit Rate Downlink

M

Bit Rate

9.3.1.20

This IE indicates the UE-Slice-MBR as specified in TS 23.501 [9] in the downlink direction.

maxnoofSMBRValuesmaxnoofAllowedS-NSSAIs

Maximum no. of SLICE MAXIMUM BIT RATE values for a UE. Value is 8Maximum no. of allowed S-NSSAI. Value is 8.

Survival Time

M

INTEGER (0.. 1920000, …)

Survival Time expressed in units of 1 us.

Buffer Size

M

ENUMERATED (kbyte2, kbyte4, kbyte8, …)

Indicates the buffer size applied for UDC. For more information see PDCP-Config IE in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

Dictionary

O

ENUMERATED (sip-SDP, operator, …)

Indicates which pre-defined dictionary is used for UDC. For more information see PDCP-Config IE in TS 38.331 [10] for gNB or ng-eNB CP-UP separation, or in TS 36.331 [33] for eNB CP-UP separation.

Continue UDC

O

ENUMERATED
(true, …)

For more information see description of drb-ContinueUDC IE in TS 38.331 [10].

SCG Activation Status

M

ENUMERATED (SCG activated, SCG deactivated, …)

gNB-CU-CP MBS E1AP ID

M

INTEGER (0 .. 2²⁴ -1)

gNB-CU-UP MBS E1AP ID

M

INTEGER (0 .. 2¹⁶ -1)

TMGI

M

OCTET STRING (SIZE(6))

Encoded as defined in TS 23.003.

NID

O

9.3.1.82

Defined in TS 23.003 [23].

DU Cell Index

M

INTEGER (1..512)

To support per cell F1-U tunnels and being able to refer to it.

NR CGI

M

9.3.1.14

MBS Support Information To Add List

0..1

>MBS Support Information To Add Item

1..<maxnoofMBSSessionIDs>

>>Global MBS Session ID

M

9.3.1.108

MBS Support Information To Remove List

0..1

>MBS Support Information To Remove Item

1..<maxnoofMBSSessionIDs>

>>Global MBS Session ID

M

9.3.1.108

maxnoofMBSSessionIDs

Maximum no. of MBS Session IDs. Value is 512.

MBS Area Session ID

M

INTEGER (0 .. 65535, …)

CHOICE MBS Session Type

>location independent

>>MBS NG-U Information at 5GC

M

9.3.1.113

>location dependent

>>Location dependent MBS NG-U Information at 5GC

1..<maxnoofMBSAreaSessionIDs>

>>>MBS Area Session ID

M

9.3.1.111

>>MBS NG-U Information at 5GC

M

9.3.1.113

maxnoofMBSAreaSessionIDs

Maximum no. of MBS Area Session IDs. Value is 256.

CHOICE MBS NG-U Transport

>multicast

>IP Multicast Address

M

Transport Layer Address

9.3.2.4

>IP Source Address

M

Transport Layer Address

9.3.2.4

>GTP DL TEID

M

GTP-TEID

9.3.2.3

>unicast

>>Unicast NG-U UL Transport Layer Information

UP Transport Layer Information

9.3.2.1

BC MRB To Setup List

1..<maxnoofMRBs>

>MRB ID

M

9.3.1.16a

>SDAP Configuration

M

9.3.1.39

>MBS PDCP Configuration

M

PDCP Configuration

9.3.1.38

>MBS QoS Flows Information To Be Setup

M

QoS Flow QoS Parameters List

9.3.1.25

>MRB QoS

O

QoS Flow Level QoS Parameters
9.3.1.26

Indicates the MRB QoS when more than one QoS Flow is mapped to the MRB.

maxnoofMRBs

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

Requested Action for Available Shared NG-U Termination

M

ENUMERATED (apply available configuration,

apply requested configuration,

…, apply available configuration if same as requested)

CHOICE MBS Session Type

M

>location independent

>>MBS NG-U Information at NG-RAN

M

9.3.1.117

>location dependent

>>Location dependent MBS NG-U Information at NG-RAN

1..<maxnoofMBSAreaSessionIDs>

>>>MBS Area Session ID

M

9.3.1.111

>>MBS NG-U Information at NG-RAN

M

9.3.1.117

maxnoofMBSAreaSessionIDs

Maximum no. of MBS Area Session IDs. Value is 256.

CHOICE MBS NG-U Transport

M

>unicast

>>Shared NG-U DL Transport Layer Information

M

UP Transport Layer Information

9.3.2.1

maxnoofMBSAreaSessionIDs

Maximum no. of MBS Area Session IDs. Value is 256.

CHOICE MBS Session Type

M

>location independent

>>MBS F1-U Information at CU

M

UP Transport Layer Information

9.3.2.1

>location dependent

>>Location dependent MBS F1-U Information at CU

1..<maxnoofMBSAreaSessionIDs>

>>>MBS Area Session ID

M

9.3.1.111

>>MBS F1-U Information at CU

M

UP Transport Layer Information

9.3.2.1

maxnoofMBSAreaSessionIDs

Maximum no. of MBS Area Session IDs. Value is 256.

CHOICE MBS Session Type

M

>location independent

>>MBS F1-U Information at DU

M

UP Transport Layer Information

9.3.2.1

>location dependent

>>Location dependent MBS F1-U Information at DU

1..<maxnoofMBSAreaSessionIDs>

>>>MBS Area Session ID

M

9.3.1.111

>>MBS F1-U Information at DU

M

UP Transport Layer Information

9.3.2.1

maxnoofMBSAreaSessionIDs

Maximum no. of MBS Area Session IDs. Value is 256.

MC MRB To Setup List

1..<maxnoofMRBs>

>MRB ID

M

9.3.1.16a

>SDAP Configuration

M

9.3.1.39

>MBS PDCP Configuration

M

PDCP Configuration

9.3.1.38

>MBS QoS Flows Information To Be Setup

M

QoS Flow QoS Parameters List

9.3.1.25

>MRB QoS

O

QoS Flow Level QoS Parameters
9.3.1.26

Indicates the MRB QoS when more than one QoS Flow is mapped to the MRB.

maxnoofMRBs

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

CHOICE MBS Session Type

M

>location independent

>>MBS NG-U Information at NG-RAN

M

9.3.1.117

>location dependent

>>Location dependent MBS NG-U Information at NG-RAN

1..<maxnoofMBSAreaSessionIDs>

>>>MBS Area Session ID

M

9.3.1.111

>>>MBS NG-U Information at NG-RAN

M

9.3.1.117

maxnoofMBSAreaSessionIDs

Maximum no. of MBS Area Session IDs. Value is 256.

MBS NG-U Information at 5GC

M

9.3.1.113

MBS Area Session ID

O

9.3.1.111

For a location dependent multicast MBS Session

NG-RAN NG-U TNL requested.

M

ENUMERATED (requested, …)

MBS Area Session ID

O

9.3.1.111

MBS F1-U Information at DU

M

UP Transport Layer Information

9.3.2.1

MBS Multicast F1-U Context Descriptor

M

9.3.1.125

To support per DU, per cell or per MBS Area Session F1-U tunnels and being able to refer to it.

Multicast F1-U Context ReferenceE1

M

9.3.1.139

MC F1-U Context usage

M

ENUMERATED (ptm,

ptp,

ptp retransmission,

ptp forwarding, …)

"ptm" indicates that the Multicast F1-U Context is setup for ptm transmissions; decided by the DU.

"ptp" indicates that the Multicast F1-U Context is setup for ptp transmissions; decided by the DU.

"ptp retransmission" indicates that the Multicast F1-U Context is setup for ptp retransmissions (based on PDCP Status Report); requested by the CU

"ptp forwarding" indicates that the Multicast F1-U Context is setup for transmitting from a defined MBS Progress Information status onwards; requested by the CU.

MBS Area Session ID

O

9.3.1.111

To support per MBS Area Session F1-U tunnels and being able to refer to it.

MBS NG-U Information at NG-RAN

M

9.3.1.117

MBS Area Session ID

O

9.3.1.111

Discard Timer Extended

M

ENUMERATED (0.5, 1, 2, 4, 6, 8, …, 2000)

Indicates the PDCP discard timer. The values are expressed in ms. For more information see DiscardTimerExt-r16 or DiscardTimerExt2-r17 in PDCP-Config IE in TS 38.331 [10].

MDT PLMN Modification List

0..<maxnoofMDTPLMNs>

An empty list indicates there is no PLMN allowed for MDT.

>PLMN Identity

M

9.3.1.7

maxnoofMDTPLMNs

Maximum no. of PLMNs in the MDT PLMN list. Value is 16.

CHOICE MRB Progress Information SNs

M

>12bits

>>PDCP SN Length 12

M

INTEGER (0..4095)

>18bits

>>PDCP SN Length 18

M

INTEGER (0..262143)

MRB Progress Information Type

M

9.3.1.131

MRB Progress Information Type

M

ENUMERATED (oldest available, last delivered, …)

MC Forwarding Resource ID

M

OCTET STRING (SIZE(2))

Associated QoS Flow Information List

1..<maxnoofQoSflows>

>MBS QoS Flow Identifier

M

QoS Flow Identifier

9.3.1.24

>Associated Unicast QoS Flow Identifier

M

QoS Flow Identifier

9.3.1.24

MBS Session Forwarding Address

M

UP Transport Layer Information

9.3.2.1

maxnoofQoSFlows

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

MC Forwarding Resource ID

M

9.3.1.132

MBS Area Session ID

O

9.3.1.111