9.2 Message Functional Definition and Content
37.4733GPPApplication Protocol (W1AP)Release 17TSW1 interface
9.2.1 Interface Management messages
9.2.1.1 RESET
This message is sent by both the ng-eNB-CU and the ng-eNB-DU and is used to request that the W1 interface, or parts of the W1 interface, to be reset.
Direction: ng-eNB-CU → ng-eNB-DU and ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
Cause |
M |
9.3.1.2 |
YES |
ignore |
||
|
CHOICE Reset Type |
M |
YES |
reject |
|||
|
>W1 interface |
||||||
|
>>Reset All |
M |
ENUMERATED (Reset all,…) |
– |
|||
|
>Part of W1 interface |
||||||
|
>>UE-associated logical W1-connection list |
1 |
– |
||||
|
>>>UE-associated logical W1-connection Item |
1 .. <maxnoofIndividualW1ConnectionsToReset> |
EACH |
reject |
|||
|
>>>> ng-eNB-CU UE W1AP ID |
O |
9.3.1.4 |
– |
|||
|
>>>> ng-eNB-DU UE W1AP ID |
O |
9.3.1.5 |
– |
|
Range bound |
Explanation |
|
maxnoofIndividualW1ConnectionsToReset |
Maximum no. of UE-associated logical W1-connections allowed to reset in one message. Value is 65536. |
9.2.1.2 RESET ACKNOWLEDGE
This message is sent by both the ng-eNB-CU and the ng-eNB-DU as a response to a RESET message.
Direction: ng-eNB-DU → ng-eNB-CU and ng-eNB-CU → ng-eNB-DU.
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
UE-associated logical W1-connection list |
0..1 |
YES |
ignore |
|||
|
>UE-associated logical W1-connection Item |
1 .. <maxnoofIndividualW1ConnectionsToReset> |
EACH |
ignore |
|||
|
>>ng-eNB-CU UE W1AP ID |
O |
9.3.1.4 |
– |
|||
|
>>ng-eNB-DU UE W1AP ID |
O |
9.3.1.5 |
– |
|||
|
Criticality Diagnostics |
O |
9. 3.1.61 |
YES |
ignore |
|
Range bound |
Explanation |
|
maxnoofIndividualW1ConnectionsToReset |
Maximum no. of UE-associated logical W1-connections allowed to reset in one message. Value is 65536. |
9.2.1.3 ERROR INDICATION
This message is sent by both the ng-eNB-CU and the ng-eNB-DU and is used to indicate that some error has been detected in the node.
Direction: ng-eNB-CU → ng-eNB-DU and ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
ignore |
||
|
Transaction ID |
M |
9.3.1.23 |
This IE shall be ignored if received in UE associated signalling message. |
YES |
reject |
|
|
ng-eNB-CU UE W1AP ID |
O |
9.3.1.4 |
YES |
ignore |
||
|
ng-eNB-DU UE W1AP ID |
O |
9.3.1.5 |
YES |
ignore |
||
|
Cause |
M |
9.3.1.2 |
YES |
ignore |
||
|
Criticality Diagnostics |
O |
9. 3.1.61 |
YES |
ignore |
9.2.1.4 W1 SETUP REQUEST
This message is sent by the ng-eNB-DU to transfer information associated to a W1-C interface instance.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3. 1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
ng-eNB-DU ID |
M |
9.3.1.9 |
YES |
reject |
||
|
ng-eNB-DU Served Cells List |
0.. 1 |
List of cells configured in the ng-eNB-DU |
YES |
reject |
||
|
>ng-eNB-DU Served Cells Item |
1.. <maxCellinng-eNBDU> |
EACH |
reject |
|||
|
>>Served Cell Information |
M |
9.3.1.10 |
Information about the cells configured in the ng-eNB-DU |
– |
||
|
>>ng-eNB-DU System Information |
O |
9.3.1.18 |
RRC container with system information owned by ng-eNB-DU |
– |
|
Range bound |
Explanation |
|
maxCellinng-eNBDU |
Maximum no. cells that can be served by an ng-eNB-DU. Value is 512. |
9.2.1.5 W1 SETUP RESPONSE
This message is sent by the ng-eNB-CU to transfer information associated to a W1-C interface instance.
Direction: ng-eNB-CU → ng-eNB-DU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
Cells to be Activated List |
0.. 1 |
YES |
reject |
|||
|
>Cells to be Activated List Item |
1.. <maxCellinng-eNBDU> |
List of cells to be activated |
EACH |
reject |
||
|
>> E-UTRAN CGI |
M |
9.3.1.12 |
– |
|||
|
>> E-UTRAN PCI |
O |
INTEGER (0..503) |
Physical Cell ID |
– |
||
|
>>ng-eNB-CU System Information |
O |
9.3.1.33 |
RRC container with system information owned by ng-eNB-CU |
YES |
reject |
|
|
>>Available PLMN List |
O |
9.3.1.47 |
YES |
ignore |
||
|
>>Extended Available PLMN List |
O |
9.3.1.55 |
This is included if Available PLMN List IE is included and if more than 6 Available PLMNs is to be signalled. |
YES |
ignore |
|
Range bound |
Explanation |
|
maxCellinng-eNBDU |
Maximum no. cells that can be served by an ng-eNB-DU. Value is 512. |
9.2.1.6 W1 SETUP FAILURE
This message is sent by the ng-eNB-CU to indicate W1 Setup failure.
Direction: ng-eNB-CU → ng-eNB-DU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
Cause |
M |
9.3.1.2 |
YES |
ignore |
||
|
Criticality Diagnostics |
O |
9. 3.1.61 |
YES |
ignore |
9.2.1.7 NG-ENB-DU CONFIGURATION UPDATE
This message is sent by the ng-eNB-DU to transfer updated information associated to a W1-C interface instance.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|||||||
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
|||||||||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
|||||||||
|
Served Cells To Add List |
0..1 |
Complete list of added cells served by the ng-eNB-DU |
YES |
reject |
|||||||||
|
>Served Cells To Add Item |
1 .. <maxCellinng-eNBDU> |
EACH |
reject |
||||||||||
|
>>Served Cell Information |
M |
9.3.1.10 |
Information about the cells configured in the ng-eNB-DU |
– |
|||||||||
|
>>ng-eNB-DU System Information |
O |
9.3.1.18 |
RRC container with system information owned by ng-eNB-DU |
– |
|||||||||
|
Served Cells To Modify List |
0..1 |
Complete list of modified cells served by the ng-eNB-DU |
YES |
reject |
|||||||||
|
>Served Cells To Modify Item |
1 .. <maxCellinng-eNBDU> |
EACH |
reject |
||||||||||
|
>>Old E-UTRAN CGI |
M |
E-UTRAN CGI 9.3.1.12 |
– |
||||||||||
|
>>Served Cell Information |
M |
9.3.1.10 |
Information about the cells configured in the ng-eNB-DU |
– |
|||||||||
|
>>ng-eNB-DU System Information |
O |
9.3.1.18 |
RRC container with system information owned by ng-eNB-DU |
– |
|||||||||
|
Served Cells To Delete List |
0..1 |
Complete list of deleted cells served by the ng-eNB-DU |
YES |
reject |
|||||||||
|
>Served Cells To Delete Item |
1.. <maxCellinng-eNBDU> |
EACH |
reject |
||||||||||
|
>>Old E-UTRAN CGI |
M |
E-UTRAN CGI 9.3.1.12 |
– |
||||||||||
|
Cells Status List |
0..1 |
Complete list of active cells |
YES |
reject |
|||||||||
|
> Cells Status Item |
0 .. <maxCellinng-eNBDU> |
EACH |
reject |
||||||||||
|
>> E-UTRAN CGI |
M |
9.3.1.12 |
– |
||||||||||
|
>> Service Status |
M |
9.3.1.48 |
– |
||||||||||
|
ng-eNB-DU ID |
O |
9.3.1.9 |
YES |
reject |
|
Range bound |
Explanation |
|
maxCellinng-eNBDU |
Maximum no. cells that can be served by an ng-eNB-DU. Value is 512. |
9.2.1.8 NG-ENB-DU CONFIGURATION UPDATE ACKNOWLEDGE
This message is sent by an ng-eNB-CU to an ng-eNB-DU to acknowledge update of information associated to a W1-C interface instance.
Direction: ng-eNB-CU → ng-eNB-DU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
Cells to be Activated List |
0.. 1 |
List of cells to be activated |
YES |
reject |
||
|
>Cells to be Activated List Item |
1.. <maxCellinng-eNBDU> |
EACH |
reject |
|||
|
>> E-UTRAN CGI |
M |
9.3.1.12 |
– |
|||
|
>> E-UTRAN PCI |
O |
INTEGER (0..503) |
Physical Cell ID |
– |
||
|
>> ng-eNB-CU System Information |
O |
9.3.1.33 |
RRC container with system information owned by ng-eNB-CU |
YES |
reject |
|
|
>>Available PLMN List |
O |
9.3.1.47 |
YES |
ignore |
||
|
>>Extended Available PLMN List |
O |
9.3.1.55 |
This is included if Available PLMN List IE is included and if more than 6 Available PLMNs is to be signalled. |
YES |
ignore |
|
|
Cells to be Deactivated List |
0.. 1 |
List of cells to be deactivated |
YES |
reject |
||
|
>Cells to be Deactivated List Item |
1.. <maxCellinng-eNBDU> |
EACH |
reject |
|||
|
>> E-UTRAN CGI |
M |
9.3.1.12 |
– |
– |
||
|
Criticality Diagnostics |
O |
9.3.1.61 |
YES |
ignore |
|
Range bound |
Explanation |
|
maxCellinng-eNBDU |
Maximum no. cells that can be served by an ng-eNB-DU. Value is 512. |
9.2.1.9 NG-ENB-DU CONFIGURATION UPDATE FAILURE
This message is sent by the ng-eNB-CU to indicate ng-eNB-DU Configuration Update failure.
Direction: ng-eNB-CU → ng-eNB-DU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
Cause |
M |
9.3.1.2 |
YES |
ignore |
||
|
Criticality Diagnostics |
O |
9.3.1.61 |
YES |
ignore |
9.2.1.10 NG-ENB-CU CONFIGURATION UPDATE
This message is sent by the ng-eNB-CU to transfer updated information associated to a W1-C interface instance.
Direction: ng-eNB-CU → ng-eNB-DU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
Cells to be Activated List |
0..1 |
List of cells to be activated or modified |
YES |
reject |
||
|
>Cells to be Activated List Item |
1.. <maxCellinng-eNBDU> |
EACH |
reject |
|||
|
>> E-UTRAN CGI |
M |
9.3.1.12 |
– |
|||
|
>> E-UTRAN PCI |
O |
INTEGER (0..503) |
Physical Cell ID |
– |
||
|
>> ng-eNB-CU System Information |
O |
9.3.1.33 |
RRC container with system information owned by ng-eNB-CU |
YES |
reject |
|
|
>>Available PLMN List |
O |
9.3.1.47 |
YES |
ignore |
||
|
>>Extended Available PLMN List |
O |
9.3.1.55 |
This is included if Available PLMN List IE is included and if more than 6 Available PLMNs is to be signalled. |
YES |
ignore |
|
|
Cells to be Deactivated List |
0..1 |
List of cells to be deactivated |
YES |
reject |
||
|
>Cells to be Deactivated List Item |
1.. <maxCellinng-eNBDU> |
EACH |
reject |
|||
|
>> E-UTRAN CGI |
M |
9.3.1.12 |
– |
|
Range bound |
Explanation |
|
maxCellinng-eNBDU |
Maximum numerbs of cells that can be served by an ng-eNB-DU. Value is 512. |
9.2.1.11 NG-ENB-CU CONFIGURATION UPDATE ACKNOWLEDGE
This message is sent by an ng-eNB-DU to an ng-eNB-CU to acknowledge update of information associated to a W1-C interface instance.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
Cells Failed to be Activated List |
0..1 |
List of cells which are failed to be activated |
YES |
reject |
||
|
>Cells Failed to be Activated Item |
1.. <maxCellinng-eNBDU> |
EACH |
reject |
|||
|
>> E-UTRAN CGI |
M |
9.3.1.12 |
– |
|||
|
>>Cause |
M |
9.3.1.2 |
– |
|||
|
Criticality Diagnostics |
O |
9.3.1.61 |
YES |
ignore |
|
Range bound |
Explanation |
|
maxCellinng-eNBDU |
Maximum no. cells that can be served by an ng-eNB-DU. Value is 512. |
9.2.1.12 NG-ENB-CU CONFIGURATION UPDATE FAILURE
This message is sent by the ng-eNB-DU to indicate ng-eNB-CU Configuration Update failure.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
Cause |
M |
9.3.1.2 |
YES |
ignore |
||
|
Criticality Diagnostics |
O |
9.3.1.61 |
YES |
ignore |
9.2.1.13 NG-ENB-DU RESOURCE COORDINATION REQUEST
This message is sent by an ng-eNB-CU to an ng-eNB-DU, to express the desired resource allocation for data traffic, for the sake of resource coordination.
Direction: ng-eNB-CU → ng-eNB-DU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
Request type |
M |
ENUMERATED (offer, execution, …) |
YES |
reject |
||
|
E-UTRA – NR Cell Resource Coordination Request Container |
M |
OCTET STRING |
Includes the XNAP E-UTRA – NR CELL RESOURCE COORDINATION REQUEST message as defined in clause 9.1.2.23 in TS 38.423 [7]. |
YES |
reject |
|
|
Ignore Resource Coordination Request Container |
O |
ENUMERATED (yes, …) |
YES |
reject |
9.2.1.14 NG-ENB-DU RESOURCE COORDINATION RESPONSE
This message is sent by an ng-eNB-DU to an ng-eNB-CU, to express the desired resource allocation for data traffic, as a response to the NG-ENB-DU RESOURCE COORDINATION REQUEST.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
E-UTRA – NR Cell Resource Coordination Response Container |
M |
OCTET STRING |
Includes the XNAP E-UTRA – NR CELL RESOURCE COORDINATION RESPONSE message as defined in clause 9.1.2.24 in TS 38.423 [7]. |
YES |
reject |
9.2.1.15 NG-ENB-DU STATUS INDICATION
This message is sent by the ng-eNB-DU to indicate to the ng-eNB-CU its status of overload.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
ignore |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
ng-eNB-DU Overload Information |
M |
ENUMERATED (overloaded, not-overloaded) |
YES |
reject |
9.2.2 UE Context Management messages
9.2.2.1 UE CONTEXT SETUP REQUEST
This message is sent by the ng-eNB-CU to request the setup of a UE context.
Direction: ng-eNB-CU → ng-eNB-DU.
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|---|---|---|---|---|---|---|
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
O |
9.3.1.5 |
YES |
ignore |
||
|
CU to DU RRC Information |
M |
9.3.1.57 |
YES |
reject |
||
|
DRX Cycle |
O |
DRX Cycle 9.3.1.24 |
YES |
ignore |
||
|
SpCell ID |
M |
ECGI 9.3.1.12 |
Special Cell as defined in TS 36.321 [15]. For handover case, this IE shall be considered as target cell. |
YES |
reject |
|
|
ServCellIndex |
M |
INTEGER (0..31,…) |
YES |
reject |
||
|
Candidate SpCell List |
0..1 |
YES |
ignore |
|||
|
>Candidate SpCell Item IEs |
1 .. <maxnoofCandidateSpCells> |
EACH |
ignore |
|||
|
>>Candidate SpCell ID |
M |
ECGI 9.3.1.12 |
Special Cell as defined in TS 36.321 [15] |
– |
||
|
SCell To Be Setup List |
0..1 |
YES |
ignore |
|||
|
>SCell to Be Setup Item IEs |
1.. <maxnoofSCells> |
EACH |
ignore |
|||
|
>>SCell ID |
M |
ECGI 9.3.1.12 |
SCell Identifier in ng-eNB |
– |
||
|
>>SCellIndex |
M |
INTEGER (1..31) |
– |
|||
|
SRB to Be Setup List |
0..1 |
YES |
reject |
|||
|
>SRB to Be Setup Item IEs |
1 .. <maxnoofSRBs> |
EACH |
reject |
|||
|
>>SRB ID |
M |
9.3.1.7 |
– |
|||
|
DRB to Be Setup List |
0..1 |
YES |
reject |
|||
|
>DRB to Be Setup Item IEs |
1 .. <maxnoofDRBs> |
EACH |
reject |
|||
|
>>DRB ID |
M |
9.3.1.8 |
– |
|||
|
>>CHOICE QoS Information |
M |
– |
||||
|
>>>E-UTRAN QoS |
M |
9.3.1.19 |
Shall be used for DC case to convey E-RAB Level QoS Parameters |
– |
||
|
>>>DRB Information |
1 |
Shall be used for NG-RAN cases |
YES |
ignore |
||
|
>>>>DRB QoS |
M |
9.3.1.34 |
– |
|||
|
>>>>S-NSSAI |
M |
9.3.1.32 |
– |
|||
|
>>>>Notification Control |
O |
9.3.1.44 |
– |
|||
|
>>>>Flows Mapped to DRB Item |
1 .. <maxnoofQoSFlows> |
– |
||||
|
>>>>>QoS Flow Identifier |
M |
9.3.1.46 |
– |
|||
|
>>>>>QoS Flow Level QoS Parameters |
M |
9.3.1.34 |
– |
|||
|
>>>>>QoS Flow Mapping Indication |
O |
9.3.1.51 |
YES |
ignore |
||
|
>>UL UP TNL Information |
M |
UP Transport Layer Information 9.3.2.1 |
ng-eNB-CU endpoint of the W1 transport bearer. For delivery of UL PDUs. |
– |
||
|
>> RLC Mode |
M |
9.3.1.25 |
– |
|||
|
>>DL PDCP SN length |
M |
ENUMERATED (12bits, 18bits, …) |
YES |
ignore |
||
|
>>UL PDCP SN length |
O |
ENUMERATED (12bits, 18bits, …) |
YES |
ignore |
||
|
Inactivity Monitoring Request |
O |
ENUMERATED (true, …) |
YES |
reject |
||
|
RAT-Frequency Priority Information |
O |
9.3.1.30 |
YES |
reject |
||
|
RRC-Container |
O |
9.3.1.6 |
Includes the DL-DCCH-Message IE as defined in clause 6.2 of TS 36.331 [2], encapsulated in a PDCP PDU. |
YES |
ignore |
|
|
Serving PLMN |
O |
PLMN ID 9.3.1.14 |
Indicates the PLMN serving the UE. |
YES |
ignore |
|
|
ng-eNB-DU UE Aggregate Maximum Bit Rate Uplink |
C-ifDRBSetup |
Bit Rate 9.3.1.22 |
The ng-eNB-DU UE Aggregate Maximum Bit Rate Uplink is to be enforced by the ng-eNB-DU. |
YES |
ignore |
|
|
Resource Coordination Transfer Information |
O |
9.3.1.52 |
YES |
ignore |
|
Range bound |
Explanation |
|
maxnoofSCells |
Maximum no. of SCells allowed towards one UE, the maximum value is 32. |
|
maxnoofSRBs |
Maximum no. of SRB allowed towards one UE, the maximum value is 4. |
|
maxnoofDRBs |
Maximum no. of DRB allowed towards one UE, the maximum value is 32. |
|
maxnoofCandidateSpCells |
Maximum no. of SpCells allowed towards one UE, the maximum value is 64. |
|
maxnoofQoSFlows |
Maximum no. of flows allowed to be mapped to one DRB, the maximum value is 64. |
|
Condition |
Explanation |
|
ifDRBSetup |
This IE shall be present only if the DRB to Be Setup List IE is present. |
9.2.2.2 UE CONTEXT SETUP RESPONSE
This message is sent by the ng-eNB-DU to confirm the setup of a UE context.
Direction: ng-eNB-DU → ng-eNB-CU.
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|---|---|---|---|---|---|---|
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
M |
9.3.1.5 |
YES |
reject |
||
|
DU To CU RRC Information |
M |
9.3.1.58 |
YES |
reject |
||
|
C-RNTI |
O |
9.3.1.29 |
C-RNTI allocated at the ng-eNB-DU |
YES |
ignore |
|
|
Resource Coordination Transfer Container |
O |
OCTET STRING |
Includes the MR-DC Resource Coordination Information IE as defined in TS 38.423 [7] for NGEN-DC and NE-DC cases. |
YES |
ignore |
|
|
DRB Setup List |
0..1 |
The List of DRBs which are successfully established. |
YES |
ignore |
||
|
>DRB Setup Item Iist |
1 .. <maxnoofDRBs> |
EACH |
ignore |
|||
|
>>DRB ID |
M |
9.3.1.8 |
– |
|||
|
>>DL UP TNL Information |
M |
UP Transport Layer Information 9.3.2.1 |
ng-eNB-DU endpoint of the W1 transport bearer. For delivery of DL PDUs. |
– |
||
|
SRB Failed to Setup List |
0..1 |
YES |
ignore |
|||
|
>SRB Failed to Setup Item |
1 .. <maxnoofSRBs> |
EACH |
ignore |
|||
|
>>SRB ID |
M |
9.3.1.7 |
– |
|||
|
>>Cause |
O |
9.3.1.2 |
– |
|||
|
DRB Failed to Setup List |
0..1 |
YES |
ignore |
|||
|
>DRB Failed to Setup Item |
1 .. <maxnoofDRBs> |
EACH |
ignore |
|||
|
>>DRB ID |
M |
9.3.1.8 |
– |
|||
|
>>Cause |
O |
9.3.1.2 |
– |
|||
|
SCell Failed To Setup List |
0..1 |
YES |
ignore |
|||
|
>SCell Failed to Setup Item |
1 .. <maxnoofSCells> |
EACH |
ignore |
|||
|
>>SCell ID |
M |
E-UTRAN CGI 9.3.1.12 |
SCell Identifier in ng-eNB |
– |
||
|
>>Cause |
O |
9.3.1.2 |
– |
|||
|
Inactivity Monitoring Response |
O |
ENUMERATED (not-supported, …) |
YES |
reject |
||
|
SRB Setup List |
0..1 |
YES |
ignore |
|||
|
>SRB Setup Item |
1 .. <maxnoofSRBs> |
EACH |
ignore |
|||
|
>>SRB ID |
M |
9.3.1.7 |
– |
|||
|
Criticality Diagnostics |
O |
9.3.1.61 |
YES |
ignore |
|
Range bound |
Explanation |
|
maxnoofSCells |
Maximum no. of SCells allowed towards one UE, the maximum value is 32. |
|
maxnoofSRBs |
Maximum no. of SRB allowed towards one UE, the maximum value is 4. |
|
maxnoofDRBs |
Maximum no. of DRB allowed towards one UE, the maximum value is 32. |
9.2.2.3 UE CONTEXT SETUP FAILURE
This message is sent by the ng-eNB-DU to indicate that the setup of the UE context was unsuccessful.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|---|---|---|---|---|---|---|
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
O |
9.3.1.5 |
YES |
ignore |
||
|
Cause |
M |
9.3.1.2 |
YES |
ignore |
||
|
Potential SpCell List |
0..1 |
YES |
ignore |
|||
|
>Potential SpCell Item IEs |
0 .. <maxnoofPotentialSpCells> |
EACH |
ignore |
|||
|
>>Potential SpCell ID |
M |
E-UTRAN CGI 9.3.1.12 |
Special Cell as defined in TS 38.321 [9] |
– |
||
|
Criticality Diagnostics |
O |
9.3.1.61 |
YES |
ignore |
|
Range bound |
Explanation |
|
maxnoofPotentialSpCells |
Maximum no. of SpCells allowed towards one UE, the maximum value is 64. |
9.2.2.4 UE CONTEXT RELEASE REQUEST
This message is sent by the ng-eNB-DU to request the ng-eNB-CU to release the UE-associated logical W1.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|---|---|---|---|---|---|---|
|
Message Type |
M |
9.3.1.1 |
YES |
ignore |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
M |
9.3.1.5 |
YES |
reject |
||
|
Cause |
M |
9.3.1.2 |
YES |
ignore |
9.2.2.5 UE CONTEXT RELEASE COMMAND
This message is sent by the ng-eNB-CU to request the ng-eNB-DU to release the UE-associated logical W1 connection.
Direction: ng-eNB-CU → ng-eNB-DU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|---|---|---|---|---|---|---|
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
M |
9.3.1.5 |
YES |
reject |
||
|
Cause |
M |
9.3.1.2 |
YES |
ignore |
||
|
RRC-Container |
O |
9.3.1.6 |
Includes the DL-DCCH-Message IE as defined in clause 6.2 of TS 36.331 [2] encapsulated in a PDCP PDU, or the DL-CCCH-Message IE as defined in clause 6.2 of TS 36.331 [2]. |
YES |
ignore |
|
|
SRB ID |
O |
9.3.1.7 |
It shall be included if the RRC-Container IE is present. The ng-eNB-DU shall send the RRC message on the indicated SRB. |
YES |
ignore |
|
|
old ng-eNB-DU UE W1AP ID |
O |
9.3.1.5 |
Include it if RRCReestablishmentRequest is not accepted |
YES |
ignore |
9.2.2.6 UE CONTEXT RELEASE COMPLETE
This message is sent by the ng-eNB-DU to confirm the release of the UE-associated logical W1 connection.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|---|---|---|---|---|---|---|
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
M |
9.3.1.5 |
YES |
reject |
||
|
Criticality Diagnostics |
O |
9.3.1.61 |
YES |
ignore |
9.2.2.7 UE CONTEXT MODIFICATION REQUEST
This message is sent by the ng-eNB-CU to provide UE Context information changes to the ng-eNB-DU.
Direction: ng-eNB-CU → ng-eNB-DU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|---|---|---|---|---|---|---|
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
M |
9.3.1.5 |
YES |
reject |
||
|
SpCell ID |
O |
E-UTRAN CGI 9.3.1.12 |
Special Cell as defined in TS 38.321 [9]. For handover case, this IE shall be considered as target cell. |
YES |
ignore |
|
|
ServCellIndex |
O |
INTEGER (0..31, …) |
YES |
reject |
||
|
DRX Cycle |
O |
DRX Cycle 9.3.1.24 |
YES |
ignore |
||
|
CU to DU RRC Information |
O |
9.3.1.57 |
YES |
reject |
||
|
Transmission Action Indicator |
O |
9.3.1.11 |
YES |
ignore |
||
|
Resource Coordination Transfer Container |
O |
OCTET STRING |
Includes the MR-DC Resource Coordination Information IE as defined in TS 38.423 [7] for NGEN-DC and NE-DC cases. |
YES |
ignore |
|
|
RRC Reconfiguration Complete Indicator |
O |
9.3.1.28 |
YES |
ignore |
||
|
RRC-Container |
O |
9.3.1.6 |
Includes the RRCConnectionReconfiguration message as defined in TS 36.331 [2], encapsulated in a PDCP PDU. |
YES |
reject |
|
|
SCell To Be Setup List |
0..1 |
YES |
ignore |
|||
|
>SCell to Be Setup Item IEs |
1.. <maxnoofSCells> |
EACH |
ignore |
|||
|
>>SCell ID |
M |
E-UTRAN CGI 9.3.1.12 |
SCell Identifier in ng-eNB |
– |
||
|
>>SCellIndex |
M |
INTEGER (1..31) |
– |
|||
|
SCell To Be Removed List |
0..1 |
YES |
ignore |
|||
|
>SCell to Be Removed Item IEs |
1 .. <maxnoofSCells> |
EACH |
ignore |
|||
|
>>SCell ID |
M |
E-UTRAN CGI 9.3.1.12 |
SCell Identifier in ng-eNB |
– |
||
|
SRB to Be Setup List |
0..1 |
YES |
reject |
|||
|
>SRB to Be Setup Item IEs |
1..<maxnoofSRBs> |
EACH |
reject |
|||
|
>>SRB ID |
M |
9.3.1.7 |
– |
|||
|
DRB to Be Setup List |
0..1 |
YES |
reject |
|||
|
>DRB to Be Setup Item IEs |
1 .. <maxnoofDRBs> |
EACH |
reject |
|||
|
>>DRB ID |
M |
9.3.1.8 |
– |
|||
|
>>CHOICE QoS Information |
M |
– |
||||
|
>>>E-UTRAN QoS |
M |
9.3.1.19 |
Shall be used for EN-DC case to convey E-RAB Level QoS Parameters. This IE is not used in the version of this release. |
|||
|
>>>DRB Information |
1 |
Shall be used for NG-RAN cases |
YES |
ignore |
||
|
>>>>DRB QoS |
M |
9.3.1.34 |
– |
|||
|
>>>>S-NSSAI |
M |
9.3.1.32 |
– |
|||
|
>>>>Notification Control |
O |
9.3.1.44 |
– |
|||
|
>>>>Flows Mapped to DRB Item |
1 .. <maxnoofQoSFlows> |
– |
||||
|
>>>>>QoS Flow Identifier |
M |
9.3.1.46 |
– |
|||
|
>>>>>QoS Flow Level QoS Parameters |
M |
9.3.1.34 |
– |
|||
|
>>>>>QoS Flow Mapping Indication |
O |
9.3.1.51 |
YES |
ignore |
||
|
>>UL UP TNL Information |
M |
UP Transport Layer Information 9.3.2.1 |
ng-eNB-CU endpoint of the W1 transport bearer. For delivery of UL PDUs. |
– |
||
|
>> RLC Mode |
M |
9.3.1.25 |
– |
|||
|
>>DL PDCP SN length |
O |
ENUMERATED (12bits, 18bits, …) |
YES |
ignore |
||
|
>>UL PDCP SN length |
O |
ENUMERATED (12bits, 18bits, …) |
YES |
ignore |
||
|
DRB to Be Modified List |
0..1 |
YES |
reject |
|||
|
>DRB to Be Modified Item IEs |
1 .. <maxnoofDRBs> |
EACH |
reject |
|||
|
>>DRB ID |
M |
9.3.1.8 |
– |
|||
|
>>CHOICE QoS Information |
O |
– |
||||
|
>>>E-UTRAN QoS |
M |
9.3.1.19 |
Shall be used for EN-DC case to convey E-RAB Level QoS Parameters. This IE is not used in the version of this release. |
– |
||
|
>>>DRB Information |
1 |
Shall be used for NG-RAN cases |
YES |
ignore |
||
|
>>>>DRB QoS |
M |
9.3.1.34 |
– |
|||
|
>>>>S-NSSAI |
M |
9.3.1.32 |
– |
|||
|
>>>>Notification Control |
O |
9.3.1.44 |
– |
|||
|
>>>>Flows Mapped to DRB Item |
1 .. <maxnoofQoSFlows> |
– |
||||
|
>>>>>QoS Flow Identifier |
M |
9.3.1.46 |
– |
|||
|
>>>>>QoS Flow Level QoS Parameters |
M |
9.3.1.34 |
– |
|||
|
>>>>>QoS Flow Mapping Indication |
O |
9.3.1.51 |
YES |
ignore |
||
|
>>UL UP TNL Information |
M |
UP Transport Layer Information 9.3.2.1 |
ng-eNB-CU endpoint of the W1 transport bearer. For delivery of UL PDUs. |
– |
||
|
>>DL PDCP SN length |
O |
ENUMERATED(12bits,18bits, …) |
YES |
ignore |
||
|
>>UL PDCP SN length |
O |
ENUMERATED (12bits, 18bits, …) |
YES |
ignore |
||
|
>>Bearer Type Change |
O |
ENUMERATED (true, …) |
YES |
ignore |
||
|
>> RLC Mode |
O |
9.3.1.25 |
YES |
ignore |
||
|
SRB To Be Released List |
0..1 |
YES |
reject |
|||
|
>SRB To Be Released Item IEs |
1.. <maxnoofSRBs> |
EACH |
reject |
|||
|
>>SRB ID |
M |
9.3.1.7 |
||||
|
DRB to Be Released List |
0..1 |
YES |
reject |
|||
|
>DRB to Be Released Item IEs |
1 .. <maxnoofDRBs> |
EACH |
reject |
|||
|
>>DRB ID |
M |
9.3.1.8 |
– |
|||
|
Inactivity Monitoring Request |
O |
ENUMERATED (true, …) |
YES |
reject |
||
|
ng-eNB-DU UE Aggregate Maximum Bit Rate Uplink |
O |
Bit Rate 9.3.1.22 |
The ng-eNB-DU UE Aggregate Maximum Bit Rate Uplink is to be enforced by the ng-eNB-DU. |
YES |
ignore |
|
|
RAT-Frequency Priority Information |
O |
9.3.1.30 |
YES |
reject |
||
|
Resource Coordination Transfer Information |
O |
9.3.1.52 |
YES |
ignore |
||
|
SCG Indicator |
O |
ENUMERATED (released, …) |
YES |
ignore |
|
Range bound |
Explanation |
|
maxnoofSCells |
Maximum no. of SCells allowed towards one UE, the maximum value is 32. |
|
maxnoofSRBs |
Maximum no. of SRB allowed towards one UE, the maximum value is 4. |
|
maxnoofDRBs |
Maximum no. of DRB allowed towards one UE, the maximum value is 32. |
|
maxnoofQoSFlows |
Maximum no. of flows allowed to be mapped to one DRB, the maximum value is 64. |
9.2.2.8 UE CONTEXT MODIFICATION RESPONSE
This message is sent by the ng-eNB-DU to confirm the modification of a UE context.
Direction: ng-eNB-DU → ng-eNB-CU.
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|---|---|---|---|---|---|---|
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
M |
9.3.1.5 |
YES |
reject |
||
|
Resource Coordination Transfer Container |
O |
OCTET STRING |
Includes the MR-DC Resource Coordination Information IE as defined in TS 38.423 [7] for NGEN-DC and NE-DC cases. |
YES |
ignore |
|
|
DU To CU RRC Information |
O |
9.3.1.58 |
YES |
reject |
||
|
DRB Setup List |
0..1 |
The List of DRBs which are successfully established. |
YES |
ignore |
||
|
>DRB Setup Item IEs |
1 .. <maxnoofDRBs> |
EACH |
ignore |
|||
|
>>DRB ID |
M |
9.3.1.8 |
– |
|||
|
>>DL UP TNL Information |
M |
UP Transport Layer Information 9.3.2.1 |
ng-eNB-DU endpoint of the W1 transport bearer. For delivery of DL PDUs. |
– |
||
|
DRB Modified List |
0..1 |
The List of DRBs which are successfully modified. |
YES |
ignore |
||
|
>DRB Modified Item IEs |
1 .. <maxnoofDRBs> |
EACH |
ignore |
|||
|
>>DRB ID |
M |
9.3.1.8 |
– |
|||
|
>>DL UP TNL Information |
M |
UP Transport Layer Information 9.3.2.1 |
ng-eNB-DU endpoint of the W1 transport bearer. For delivery of DL PDUs. |
– |
||
|
>>RLC Status |
O |
9.3.1.49 |
Indicates the RLC has been re-established at the ng-eNB-DU. |
YES |
ignore |
|
|
SRB Failed to be Setup List |
0..1 |
The List of SRBs which are failed to be established. |
YES |
ignore |
||
|
>SRB Failed to be Setup Item IEs |
1 .. <maxnoofSRBs> |
EACH |
ignore |
|||
|
>>SRB ID |
M |
9.3.1.7 |
– |
|||
|
>>Cause |
O |
9.3.1.2 |
– |
|||
|
DRB Failed to be Setup List |
0..1 |
The List of DRBs which are failed to be setup. |
YES |
ignore |
||
|
>DRB Failed to be Setup Item IEs |
1 .. <maxnoofDRBs> |
EACH |
ignore |
|||
|
>>DRB ID |
M |
9.3.1.8 |
– |
|||
|
>>Cause |
O |
9.3.1.2 |
– |
|||
|
SCell Failed To Setup List |
0..1 |
YES |
ignore |
|||
|
>SCell Failed to Setup Item |
1 .. <maxnoofSCells> |
EACH |
ignore |
|||
|
>>SCell ID |
M |
E-UTRAN CGI 9.3.1.12 |
SCell Identifier in ng-eNB |
– |
||
|
>>Cause |
O |
9.3.1.2 |
– |
|||
|
DRB Failed to be Modified List |
0..1 |
The List of DRBs which are failed to be modified. |
YES |
ignore |
||
|
>DRB Failed to be Modified Item IEs |
1 .. <maxnoofDRBs> |
EACH |
ignore |
|||
|
>>DRB ID |
M |
9.3.1.8 |
– |
|||
|
>>Cause |
O |
9.3.1.2 |
– |
|||
|
Inactivity Monitoring Response |
O |
ENUMERATED (Not-supported, …) |
YES |
reject |
||
|
C-RNTI |
O |
9.3.1.29 |
C-RNTI allocated at the ng-eNB-DU |
YES |
ignore |
|
|
SRB Setup List |
0..1 |
YES |
ignore |
|||
|
>SRB Setup Item |
1 .. <maxnoofSRBs> |
EACH |
ignore |
|||
|
>>SRB ID |
M |
9.3.1.7 |
– |
|||
|
SRB Modified List |
0..1 |
YES |
ignore |
|||
|
>SRB Modified Item |
1 .. <maxnoofSRBs> |
EACH |
ignore |
|||
|
>>SRB ID |
M |
9.3.1.7 |
– |
|||
|
Criticality Diagnostics |
O |
9.3.1.61 |
YES |
ignore |
|
Range bound |
Explanation |
|
maxnoofSRBs |
Maximum no. of SRB allowed towards one UE, the maximum value is 4. |
|
maxnoofDRBs |
Maximum no. of DRB allowed towards one UE, the maximum value is 32. |
|
maxnoofSCells |
Maximum no. of SCells allowed towards one UE, the maximum value is 32. |
9.2.2.9 UE CONTEXT MODIFICATION FAILURE
This message is sent by the ng-eNB-DU to indicate a context modification failure.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
M |
9.3.1.5 |
YES |
reject |
||
|
Cause |
M |
9.3.1.2 |
YES |
ignore |
||
|
Criticality Diagnostics |
O |
9.3.1.61 |
YES |
ignore |
9.2.2.10 UE CONTEXT MODIFICATION REQUIRED
This message is sent by the ng-eNB-DU to request the modification of a UE context.
Direction: ng-eNB-DU → ng-eNB-CU.
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|---|---|---|---|---|---|---|
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
M |
9.3.1.5 |
YES |
reject |
||
|
Resource Coordination Transfer Container |
O |
OCTET STRING |
Includes the MR-DC Resource Coordination Information IE as defined in TS 38.423 [7] for NGEN-DC and NE-DC cases. |
YES |
ignore |
|
|
DU To CU RRC Information |
O |
9.3.1.58 |
YES |
reject |
||
|
DRB Required to Be Modified List |
0..1 |
YES |
reject |
|||
|
>DRB Required to Be Modified Item IEs |
1 .. <maxnoofDRBs> |
EACH |
reject |
|||
|
>>DRB ID |
M |
9.3.1.8 |
– |
|||
|
>>DL UP TNL Information |
M |
UP Transport Layer Information 9.3.2.1 |
ng-eNB-DU endpoint of the W1 transport bearer. For delivery of DL PDUs. |
– |
||
|
>>RLC Status |
O |
9.3.1.49 |
Indicates the RLC has been re-established at the ng-eNB-DU. |
YES |
ignore |
|
|
SRB Required to be Released List |
0..1 |
YES |
reject |
|||
|
>SRB Required to be Released List Item IEs |
1 .. <maxnoofSRBs> |
EACH |
reject |
|||
|
>>SRB ID |
M |
9.3.1.7 |
– |
|||
|
DRB Required to be Released List |
0..1 |
YES |
reject |
|||
|
>DRB Required to be Released List Item IEs |
1 .. <maxnoofDRBs> |
EACH |
reject |
|||
|
>>DRB ID |
M |
9.3.1.8 |
– |
|||
|
Cause |
M |
9.3.1.2 |
YES |
ignore |
|
Range bound |
Explanation |
|
maxnoofSRBs |
Maximum no. of SRB allowed towards one UE, the maximum value is 4. |
|
maxnoofDRBs |
Maximum no. of DRB allowed towards one UE, the maximum value is 32. |
9.2.2.11 UE CONTEXT MODIFICATION CONFIRM
This message is sent by the ng-eNB-CU to inform the ng-eNB-DU the successful modification.
Direction: ng-eNB-CU → ng-eNB-DU.
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|---|---|---|---|---|---|---|
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
M |
9.3.1.5 |
YES |
reject |
||
|
Resource Coordination Transfer Container |
O |
OCTET STRING |
Includes the MR-DC Resource Coordination Information IE as defined in TS 38.423 [7] for NGEN-DC and NE-DC cases. |
YES |
ignore |
|
|
DRB Modified List |
0..1 |
The List of DRBs which are successfully modified. |
YES |
ignore |
||
|
>DRB Modified Item IEs |
1 .. <maxnoofDRBs> |
EACH |
ignore |
|||
|
>>DRB ID |
M |
9.3.1.8 |
– |
|||
|
>>UL UP TNL Information |
M |
UP Transport Layer Information 9.3.2.1 |
ng-eNB-DU endpoint of the W1 transport bearer. For delivery of UL PDUs. |
– |
||
|
RRC-Container |
O |
9.3.1.6 |
Includes the RRCConnectionReconfiguration message as defined in TS 36.331 [2], encapsulated in a PDCP PDU. |
YES |
ignore |
|
|
Resource Coordination Transfer Information |
O |
9.3.1.52 |
YES |
ignore |
||
|
Criticality Diagnostics |
O |
9.3.1.61 |
YES |
ignore |
|
Range bound |
Explanation |
|
maxnoofDRBs |
Maximum no. of DRB allowed towards one UE, the maximum value is 32. |
9.2.2.12 UE CONTEXT MODIFICATION REFUSE
This message is sent by the ng-eNB-CU to indicate the UE context modification was unsuccessful.
Direction: ng-eNB-CU → ng-eNB-DU.
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|---|---|---|---|---|---|---|
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
M |
9.3.1.5 |
YES |
reject |
||
|
Cause |
M |
9.3.1.2 |
YES |
ignore |
||
|
Criticality Diagnostics |
O |
9.3.1.61 |
YES |
ignore |
9.2.2.13 UE INACTIVITY NOTIFICATION
This message is sent by the ng-eNB-DU to provide information about the UE activity to the ng-eNB-CU.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
ignore |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
M |
9.3.1.5 |
YES |
reject |
||
|
DRB Activity List |
1 |
YES |
reject |
|||
|
>DRB Activity Item |
1 .. <maxnoofDRBs> |
EACH |
reject |
|||
|
>>DRB ID |
M |
9.3.1.8 |
– |
|||
|
>>DRB Activity |
O |
ENUMERATED (Active, Not active) |
– |
|
Range bound |
Explanation |
|
maxnoofDRBs |
Maximum no. of DRB allowed towards one UE, the maximum value is 32. |
9.2.2.14 NOTIFY
This message is sent by the ng-eNB-DU to notify the ng-eNB-CU that the QoS for already established DRBs associated with notification control is not fulfilled any longer or it is fulfilled again.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9. 3.1.1 |
YES |
ignore |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
M |
9. 3.1.5 |
YES |
reject |
||
|
DRB Notify List |
1 |
YES |
reject |
|||
|
>DRB Notify Item IEs |
<1 .. maxnoofDRBs> |
EACH |
reject |
|||
|
>>DRB ID |
M |
9. 3.1.8 |
– |
|||
|
>>Notification Cause |
M |
ENUMERATED(Fulfilled, Not-Fulfilled, …) |
– |
|
Range bound |
Explanation |
|
maxnoofDRBs |
Maximum no. of DRB allowed towards one UE, the maximum value is 32. |
9.2.3 RRC Message Transfer messages
9.2.3.1 INITIAL UL RRC MESSAGE TRANSFER
This message is sent by the ng-eNB-DU to transfer the initial layer 3 message to the ng-eNB-CU over the W1 interface.
Direction: ng-eNB-DU →ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
ignore |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
Ignore |
||
|
ng-eNB-DU UE W1AP ID |
M |
9.3.1.5 |
YES |
reject |
||
|
E-UTRAN CGI |
M |
9.3.1.12 |
NG-RAN Cell Global Identifier |
YES |
reject |
|
|
C-RNTI |
M |
9.3.1.29 |
C-RNTI allocated at the ng-eNB-DU |
YES |
reject |
|
|
RRC-Container |
M |
9.3.1.6 |
Includes the UL-CCCH-Message IE as defined in clause 6.2 of TS 36.331 [2]. |
YES |
reject |
|
|
DU to CU RRC Container |
O |
OCTET STRING |
RadioResourceConfigDedicated IE as defined in clause 6.3.2 in TS 36.331 [2]. Required at least to carry SRB1 configuration. |
YES |
reject |
9.2.3.2 DL RRC MESSAGE TRANSFER
This message is sent by the ng-eNB-CU to transfer the layer 3 message to the ng-eNB-DU over the W1 interface.
Direction: ng-eNB-CU →ng-eNB-DU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
ignore |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
M |
9.3.1.5 |
YES |
reject |
||
|
old ng-eNB-DU UE W1AP ID |
O |
9.3.1.5 |
Include it if RRCConnectionReestablishment is included in RRC-Container |
YES |
reject |
|
|
SRB ID |
M |
9.3.1.7 |
YES |
reject |
||
|
RRC-Container |
M |
9.3.1.6 |
Includes the DL-DCCH-Message IE as defined in clause 6.2 of TS 36.331 [2] encapsulated in a PDCP PDU, or the DL-CCCH-Message IE as defined in clause 6.2 of TS 36.331 [2]. |
YES |
reject |
9.2.3.3 UL RRC MESSAGE TRANSFER
This message is sent by the ng-eNB-DU to transfer the layer 3 message to the ng-eNB-CU over the W1 interface.
Direction: ng-eNB-DU →ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
ignore |
||
|
ng-eNB-CU UE W1AP ID |
M |
9.3.1.4 |
YES |
reject |
||
|
ng-eNB-DU UE W1AP ID |
M |
9.3.1.5 |
YES |
reject |
||
|
SRB ID |
M |
9.3.1.7 |
YES |
reject |
||
|
RRC-Container |
M |
9.3.1.6 |
Includes the UL-DCCH-Message IE as defined in clause 6.2 of TS 36.331 [2], encapsulated in a PDCP PDU. |
YES |
reject |
9.2.4 Warning Message Transmission Messages
9.2.4.1 WRITE-REPLACE WARNING REQUEST
This message is sent by the ng-eNB-CU to request the start or overwrite of the broadcast of a warning message.
Direction: ng-eNB-CU → ng-eNB-DU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
PWS System Information |
M |
9.3.1.3 |
This IE includes the system information for public warning, as defined in TS 36.331 [2]. |
YES |
reject |
|
|
Repetition Period |
M |
9.3.1.13 |
YES |
reject |
||
|
Number of Broadcasts Requested |
M |
9.3.1.60 |
YES |
reject |
||
|
Cell To Be Broadcast List |
0..1 |
YES |
reject |
|||
|
>Cell to Be Broadcast Item IEs |
1.. <maxCellinng-eNBDU> |
EACH |
reject |
|||
|
>>E-UTRAN CGI |
M |
9.3.1.12 |
– |
|
Range bound |
Explanation |
|
maxCellinng-eNBDU |
Maximum no. cells that can be served by an ng-eNB-DU. Value is 512. |
9.2.4.2 WRITE-REPLACE WARNING RESPONSE
This message is sent by the ng-eNB-DU to acknowledge the ng-eNB-CU on the start or overwrite request of a warning message.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
Cell Broadcast Completed List |
0..1 |
YES |
reject |
|||
|
>Cell Broadcast Completed Item IEs |
1.. <maxCellinng-eNBDU> |
EACH |
reject |
|||
|
>>E-UTRAN CGI |
M |
9.3.1.12 |
– |
|||
|
Criticality Diagnostics |
O |
9.3.1.61 |
YES |
ignore |
|
Range bound |
Explanation |
|
maxCellinng-eNBDU |
Maximum no. cells that can be served by an ng-eNB-DU. Value is 512. |
9.2.4.3 PWS CANCEL REQUEST
This message is forwarded by the ng-eNB-CU to ng-eNB-DU to cancel an already ongoing broadcast of a warning message
Direction: ng-eNB-CU → ng-eNB-DU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
Cell Broadcast To Be Cancelled List |
0..1 |
YES |
reject |
|||
|
>Cell Broadcast to Be Cancelled Item IEs |
1.. <maxCellinng-eNBDU> |
EACH |
reject |
|||
|
>>E-UTRAN CGI |
M |
9.3.1.12 |
– |
|||
|
Cancel-all Warning Messages Indicator |
O |
ENUMERATED (true, …) |
YES |
reject |
||
|
Notification Information |
M |
This IE is ignored If the Cancel-all Warning Messages Indicator IE is included. |
YES |
reject |
||
|
>Message Identifier |
M |
9.3.1.67 |
||||
|
>Serial Number |
M |
9.3.1.68 |
|
Range bound |
Explanation |
|
maxCellinng-eNBDU |
Maximum no. cells that can be served by an ng-eNB-DU. Value is 512. |
9.2.4.4 PWS CANCEL RESPONSE
This message is sent by the ng-eNB-DU to indicate the list of warning areas where cancellation of the broadcast of the identified message was successful and unsuccessful.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
reject |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
Cell Broadcast Cancelled List |
0..1 |
YES |
reject |
|||
|
>Cell Broadcast Cancelled Item IEs |
1.. <maxCellinng-eNBDU> |
EACH |
reject |
|||
|
>>E-UTRAN CGI |
M |
9.3.1.12 |
– |
|||
|
>>Number of Broadcasts |
M |
INTEGER (0..65535) |
This IE is set to ‘0’ if valid results are not known or not available. It is set to 65535 if the counter results have overflowed. |
– |
||
|
Criticality Diagnostics |
O |
9. 3.1.61 |
YES |
ignore |
|
Range bound |
Explanation |
|
maxCellinng-eNBDU |
Maximum no. of cells that can be served by an ng-eNB-DU. Value is 512. |
9.2.4.5 PWS RESTART INDICATION
This message is sent by the ng-eNB-DU to inform the ng-eNB-CU that PWS information for some or all cells of the ng-eNB-DU are available if needed.
Direction: ng-eNB-DU →ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
ignore |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
E-UTRAN CGI List for Restart List |
1 |
YES |
reject |
|||
|
> E-UTRAN CGI List for Restart Item IEs |
1..<maxCellinng-eNBDU> |
EACH |
reject |
|||
|
>>E-UTRAN CGI |
M |
9.3.1.12 |
– |
|
Range bound |
Explanation |
|
maxCellinng-eNBDU |
Maximum no. of cells that can be served by an ng-eNB-DU. Value is 512. |
9.2.4.6 PWS FAILURE INDICATION
This message is sent by the ng-eNB-DU to inform the ng-eNB-CU that ongoing PWS operation for one or more cells of the ng-eNB-DU has failed.
Direction: ng-eNB-DU → ng-eNB-CU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
ignore |
||
|
Transaction ID |
M |
9.3.1.23 |
YES |
reject |
||
|
PWS failed E-UTRAN CGI List |
0..1 |
YES |
reject |
|||
|
>PWS failed E-UTRAN CGI Item IEs |
1..<maxCellinng-eNBDU> |
EACH |
reject |
|||
|
>>E-UTRAN CGI |
M |
9.3.1.12 |
– |
|
Range bound |
Explanation |
|
maxCellinng-eNBDU |
Maximum no. of cells that can be served by an ng-eNB-DU. Value is 512. |
9.2.5 Paging messages
9.2.5.1 PAGING
This message is sent by the ng-eNB-CU and is used to request the ng-eNB-DU to page UEs.
Direction: ng-eNB-CU → ng-eNB-DU
|
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
|
Message Type |
M |
9.3.1.1 |
YES |
ignore |
||
|
UE Identity Index value |
M |
9.3.1.63 |
YES |
reject |
||
|
CHOICE Paging Identity |
M |
YES |
reject |
|||
|
>RAN UE Paging identity |
M |
9.3.1.64 |
– |
|||
|
>CN UE paging identity |
M |
9.3.1.65 |
– |
|||
|
Paging DRX |
O |
9.3.1.66 |
It is defined as the minimum between the RAN UE Paging DRX and CN UE Paging DRX |
YES |
ignore |
|
|
Paging Cell List |
1 |
YES |
ignore |
|||
|
>Paging Cell Item IEs |
1 .. <maxnoofPagingCells> |
EACH |
ignore |
|||
|
>> E-UTRAN CGI |
M |
9.3.1.12 |
– |
|||
|
Paging Origin |
O |
9.3.1.70 |
YES |
ignore |
|
Range bound |
Explanation |
|
maxnoofPagingCells |
Maximum no. of paging cells, the maximum value is 512. |