9 Elements for XwAP Communication

36.4633GPPEvolved Universal Terrestrial Radio Access Network (E-UTRAN) and Wireless Local Area Network (WLAN)Release 17TSXw application protocol (XwAP)

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

9.0 General

Sub clauses 9.1 and 9.2 describe the structure of the messages and information elements required for the XwAP protocol in tabular format. Sub clause 9.3 provides the corresponding ASN.1 definition.

The following attributes are used for the tabular description of the messages and information elements: Presence, Range Criticality and Assigned Criticality. Their definition and use can be found in TS 36.413 [8].

NOTE: The messages have been defined in accordance to the guidelines specified in TR 25.921 [12].

9.1 Message Functional Definition and Content

9.1.1 Xw SETUP REQUEST

This message is sent by an eNB to a WT to transfer the initialization information for a TNL association.

Direction: eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
Global eNB ID	M		9.2.2		YES	reject

9.1.2 Xw SETUP RESPONSE

This message is sent by a WT to a requesting eNB to transfer the initialization information for a TNL association.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
WT ID	M		9.2.6		YES	reject
WLAN Identifier List		1		List of identifiers supported by the WT	YES	reject
>WLAN Identifier Item		1..<maxnoofWLANIdentifierItems>
>>WLAN Information	M		9.2.7
Neighbour eNB Information		0..< maxnoofeNBNeighbours >
>Global eNB ID	M		9.2.2
Criticality Diagnostics	O		9.2.5		YES	ignore

Range bound	Explanation
maxnoofWLANIdentifierItems	Maximum number of WLAN Identifier Items. The value is 4096.
maxnoofeNBNeighbours	Maximum number of eNBs a WT can connect to. The value is 256

9.1.3 Xw SETUP FAILURE

This message is sent by the WT to indicate Xw Setup failure.

Direction: WT  eNB_.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
Cause	M		9.2.4		YES	ignore
Criticality Diagnostics	O		9.2.5		YES	ignore
Time To Wait	O		9.2.29		YES	ignore

9.1.4 WT CONFIGURATION UPDATE

This message is sent by a WT to an eNB to transfer updated information for a TNL association.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
WLAN Identifiers To Add List		0..1		List of identifiers added by the WT	GLOBAL	reject
>WLAN Identifiers To Add Item		1..< maxnoofWLANIdentifierItems>
>>WLAN Information	M		9.2.7
WLAN Identifiers To Modify List		0..1		List of identifiers modified by the WT	GLOBAL	reject
>WLAN Identifiers To Modify Item		1..< maxnoofWLANIdentifierItems>
>>WLAN Information	M		9.2.7
WLAN Identifiers To Delete List		0..1		List of identifiers deleted by the WT	GLOBAL	reject
>WLAN Identifiers To Delete Item		1..< maxnoofWLANIdentifierItems >
>>Old BSSID	M		BSSID 9.2.8
WLAN Identifiers To Delete Extension List		0..1		List of identifiers deleted by the WT	GLOBAL	reject
>WLAN Identifiers To Delete extension Item		1..<maxnoofWLANIdentifierItems >
>>Old SSID	O		SSID 9.2.9
>>Old HESSID	O		HESSID 9.2.10
Neighbour eNB Information		0..< maxnoofeNBNeighbours >
>Global eNB ID	M		9.2.2

Range bound	Explanation
maxnoofWLANIdentifierItems	Maximum number of WLAN Identifier Items. The value is 4096.
maxnoofeNBNeighbours	Maximum number of eNBs a WT can connect to. The value is 256

9.1.5 WT CONFIGURATION UPDATE ACKNOWLEDGE

This message is sent by an eNB to a WT to acknowledge update of information for a TNL association.

Direction: eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
Criticality Diagnostics	O		9.2.5		YES	ignore

9.1.6 WT CONFIGURATION UPDATE FAILURE

This message is sent by an eNB to a WT to indicate WT Configuration Update Failure.

Direction: eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
Cause	M		9.2.4		YES	ignore
Criticality Diagnostics	O		9.2.5		YES	ignore
Time To Wait	O		9.2.29		YES	ignore

9.1.7 WT STATUS REQUEST

This message is sent by an eNB to a WT to initiate the requested measurement according to the parameters given in the message.

Direction: eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB Measurement ID	M		INTEGER (1..4095,…)	Allocated by the eNB	YES	reject
WT Measurement ID	C-ifRegistrationRequestStop		INTEGER (1..4095,…)	Allocated by the WT	YES	ignore
Registration Request	M		ENUMERATED(start, stop, …)	A value set to “stop”, indicates a request to stop all BSS measurements.	YES	reject
Report Characteristics	O		BITSTRING (SIZE(32))	Each position in the bitmap indicates measurement object the WT is requested to report. First Bit = BSS Load, Second Bit = WAN Metrics, Third bit = Available Channel Utilization. Other bits shall be ignored by the WT.	YES	reject
BSS To Report List		1		List of BSSs for which measurement is needed	YES	ignore
>BSS To Report Item		1 .. <maxnoofBSSs>			EACH	ignore
>>BSSID	M		9.2.8		–	–
Reporting Periodicity	O		ENUMERATED(10ms, 50ms, 100ms, 200ms, 500ms, 1s, 5s, 10s, …)		YES	ignore
Partial Success Indicator	O		ENUMERATED(partial success allowed, …)	Included if partial success is allowed	YES	ignore

Range bound	Explanation
maxnoofBSSs	Maximum number of BSS Items in a list. The value is 4096.

Condition	Explanation
ifRegistrationRequestStop	This IE shall be present if the Registration Request IE is set to the value “stop”.

9.1.8 WT STATUS RESPONSE

This message is sent by the WT to indicate that the requested measurement, for all or for a subset of the measurement objects included in the measurement request, is successfully initiated.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB Measurement ID	M		INTEGER (1..4095,…)	Allocated by the eNB	YES	reject
WT Measurement ID	M		INTEGER (1..4095,…)	Allocated by the WT	YES	reject
Measurement Initiation Result List		0..1		List of all BSSs in which measurement objects were requested, included when indicating partial success	YES	ignore
>Measurement Initiation Result Item		1 .. <maxnoofBSSs>			EACH	ignore
>>BSSID	M		9.2.8		–	–
>>Measurement Failure Cause List		0..1		Indicates that WTcould not initiate the measurement for at least one of the requested measurement objects in the BSS	–	–
>>>Measurement Failure Cause Item		1 .. <maxnoofFailedMeasObjects>			EACH	ignore
>>>>Measurement Failed Report Characteristics	M		BITSTRING (SIZE(32))	Each position in the bitmap indicates measurement object that failed to be initiated in the WT. First Bit = BSS Load, Second Bit = WAN Metrics, Third Bit = Available Channel Utilization. Other bits shall be ignored by the eNB.	–	–
>>>>Cause	M		9.2.4	Failure cause for measurement objects for which the measurement cannot be initiated	–	–
Criticality Diagnostics	O		9.2.5		YES	ignore

Range bound	Explanation
maxnoofBSSs	Maximum number of BSSs Items in a list. The value is 4096.
maxnoofFailedMeasObjects	Maximum number of measurement objects that can fail per measurement. Value is 32.

9.1.9 WT STATUS FAILURE

This message is sent by the WT to indicate that none of the requested measurements can be initiated.

Direction: WT  eNB_.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB Measurement ID	M		INTEGER (1..4095,…)	Allocated by the eNB	YES	reject
WT Measurement ID	M		INTEGER (1..4095,…)	Allocated by the WT	YES	reject
Complete Failure Cause Information List		0..1		Complete list of failure causes for all requested cells	YES	ignore
>Complete Failure Cause Information Item		1 .. <maxnoofBSSs>			EACH	ignore
>>BSSID	M		9.2.8		–	–
>>Measurement Failure Cause List		1			–	–
>>>Measurement Failure Cause Item		1 .. <maxnoofFailedMeasObjects>			EACH	ignore
>>>>Measurement Failed Report Characteristics	M		BITSTRING (SIZE(32))	Each position in the bitmap indicates measurement object that failed to be initiated in the WT. First Bit = BSS Load, Second Bit = WAN Metrics, Third Bit = Available Channel Utilization. Other bits shall be ignored by the eNB.	–	–
>>>>Cause	M		9.2.4	Failure cause for measurements that cannot be initiated	–	–
Cause	M		9.2.4	Ignored by the receiver when the Complete Failure Cause Information IE is included	YES	ignore
Criticality Diagnostics	O		9.2.5		YES	ignore

Range bound	Explanation
maxnoofBSSs	Maximum number of BSS Items in a list. The value is 4096.
maxnoofFailedMeasObjects	Maximum number of measurement objects that can fail per measurement. Value is 32.

9.1.10 WT STATUS REPORT

This message is sent by the WT to the eNB to report the results of the requested measurements.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	ignore
eNB Measurement ID	M		INTEGER (1..4095,…)	Allocated by the eNB	YES	reject
WT Measurement ID	M		INTEGER (1..4095,…)	Allocated by the WT	YES	reject
BSS Measurement Result List		1			YES	ignore
>BSS Measurement Result Item		1 .. <maxnoofBSSs>			EACH	ignore
>>BSSID	M		9.2.8
>>BSS Load	O		9.2.11
>>WAN Metrics	O		9.2.12
>>Available Channel Utilization	O		9.2.26

Range bound	Explanation
maxnoofBSSs	Maximum number of BSS Items in a list. The value is 4096.

9.1.11 ERROR INDICATION

This message is used to indicate that some error has been detected in the originating node.

Direction: eNB  WT and WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	ignore
eNB UE XwAP ID	O		UE XwAP ID 9.2.24	Assigned by the eNB	YES	ignore
WT UE XwAP ID	O		UE XwAP ID 9.2.24	Assigned by the WT	YES	ignore
Cause	O		9.2.4		YES	ignore
Criticality Diagnostics	O		9.2.5		YES	ignore

9.1.12 RESET

This message is used to request the Xw interface to be reset.

Direction: eNB  WT and WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
Cause	M		9.2.4		YES	ignore

9.1.13 RESET RESPONSE

This message is sent as a response to a RESET message.

Direction: WT  eNB and eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
Criticality Diagnostics	O		9.2.5		YES	ignore

9.1.14 WT ADDITION REQUEST

This message is sent by the eNB to the WT to request the preparation of resources for LTE-WLAN aggregation for a specific UE.

Direction: eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	reject
UE Identity	M		9.2.16		YES	reject
WLAN Security Information	O		9.2.27		YES	reject
Serving PLMN	O		PLMN Identity 9.2.3	The serving PLMN for the UE.	YES	ignore
E-RABs To Be Added List		1			YES	reject
>E-RABs To Be Added Item		1 .. <maxnoof Bearers>			EACH	reject
>>E-RAB ID	M		9.2.18		–	–
>>E-RAB Level QoS Parameters	M		9.2.19	Includes necessary QoS parameters	–	–
>> eNB GTP Tunnel Endpoint	M		GTP Tunnel Endpoint 9.2.22	Endpoint of the Xw transport bearer at the eNB	–	–
>>DRB-Identity	O		9.2.33	Mapping between DRB and E-RAB ID for UL bearers.	YES	reject
Mobility Set	M		9.2.28		YES	reject
WT UE XwAP ID	O		UE XwAP ID 9.2.24	Previously assigned by the WT	YES	reject

Range bound	Explanation
maxnoofBearers	Maximum no. of E-RABs. Value is 256

9.1.15 WT ADDITION REQUEST ACKNOWLEDGE

This message is sent by the WT to confirm to the eNB about the WT addition preparation.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	ignore
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	ignore
E-RABs Admitted To Be Added List		1			YES	ignore
>E-RABs Admitted To Be Added Item		1 .. <maxnoof Bearers>			EACH	ignore
>>E-RAB ID	M		9.2.18		–	–
>>WT GTP Tunnel Endpoint	M		GTP Tunnel Endpoint 9.2.22	Endpoint of the Xw transport bearer at the WT.	–	–
>>LWA WLAN AC	O		9.2.34		YES	ignore
E-RABs Not Admitted List	O		E-RAB List 9.2.23	A value for E-RAB ID shall only be present once in E-RABs Admitted List IE and in E-RABs Not Admitted List IE.	YES	ignore
Criticality Diagnostics	O		9.2.5		YES	ignore
WT MAC Address	O		9.2.35		YES	ignore

Range bound	Explanation
maxnoofBearers	Maximum no. of E-RABs. Value is 256

9.1.16 WT ADDITION REQUEST REJECT

This message is sent by the WT to inform the eNB that the WT Addition Preparation procedure has failed.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	ignore
Cause	M		9.2.4		YES	ignore
Criticality Diagnostics	O		9.2.5		YES	ignore

9.1.17 WT MODIFICATION REQUEST

This message is sent by the eNB to the WT to request the modification of WT resources for a specific UE.

Direction: eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	reject
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	reject
Cause	M		9.2.4		YES	ignore
Serving PLMN	O		PLMN Identity 9.2.3	The serving PLMN for the UE.	YES	ignore
UE Context Information		0..1			YES	reject
>WLAN Security Information	O		9.2.27
>E-RABs To Be Added List		0..1			–	–
>>E-RABs To Be Added Item		1 .. <maxnoof Bearers>			EACH	ignore
>>>E-RAB ID	M		9.2.18		–	–
>>>E-RAB Level QoS Parameters	M		9.2.19	Includes necessary QoS parameters	–	–
>>> eNB GTP Tunnel Endpoint	M		GTP Tunnel Endpoint 9.2.22	Endpoint of the Xw transport bearer at the eNB	–	–
>>>DRB-Identity	O		9.2.33	Mapping between DRB and E-RAB ID for UL bearers.	YES	reject
>E-RABs To Be Modified List		0..1			–	–
>>E-RABs To Be Modified Item		1 .. <maxnoof Bearers>			EACH	ignore
>>>E-RAB ID	M		9.2.18		–	–
>>>E-RAB Level QoS Parameters	O		9.2.19	Includes QoS parameters to be modified	–	–
>>> eNB GTP Tunnel Endpoint	O		GTP Tunnel Endpoint 9.2.22	Endpoint of the Xw transport bearer at the eNB	–	–
>E-RABs To Be Released List		0..1			–	–
>>E-RABs To Be Released Item		1 .. <maxnoof Bearers>			EACH	ignore
>>>E-RAB ID	M		9.2.18		–	–
>>>DL Forwarding GTP Tunnel Endpoint	O		GTP Tunnel Endpoint 9.2.22	Identifies the Xw transport bearer used for forwarding of DL PDUs	–	–
Mobility Set	O		9.2.28		YES	reject

Range bound	Explanation
maxnoofBearers	Maximum no. of E-RABs. Value is 256

9.1.18 WT MODIFICATION REQUEST ACKNOWLEDGE

This message is sent by the WT to the eNB to confirm the modification of the WT resources for a specific UE.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	ignore
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	ignore
E-RABs Admitted List		0..1			YES	ignore
>E-RABs Admitted To Be Added List		0..1			–	–
>>E-RABs Admitted To Be Added Item		1 .. <maxnoof Bearers>			EACH	ignore
>>>E-RAB ID	M		9.2.18		–	–
>>>WT GTP Tunnel Endpoint	M		GTP Tunnel Endpoint 9.2.22	Endpoint of the Xw transport bearer at the WT.	–	–
>>>LWA WLAN AC	O		9.2.34		YES	ignore
>E-RABs Admitted To Be Modified List		0..1			–	–
>>E-RABs Admitted To Be Modified Item		1 .. <maxnoof Bearers>			EACH	ignore
>>>E-RAB ID	M		9.2.18		–	–
>>>WT GTP Tunnel Endpoint	O		GTP Tunnel Endpoint 9.2.22	Endpoint of the Xw transport bearer at the WT.	–	–
>>>LWA WLAN AC	O		9.2.34		YES	ignore
>E-RABs Admitted To Be Released List		0..1			–	–
>>E-RABs Admitted To Be Released Item		1 .. <maxnoof Bearers>			EACH	ignore
>>>E-RAB ID	M		9.2.18		–	–
E-RABs Not Admitted List	O		E-RAB List 9.2.23	A value for E-RAB ID shall only be present once in E-RABs Admitted List IE and in E-RABs Not Admitted List IE.	YES	ignore
Criticality Diagnostics	O		9.2.5		YES	ignore

Range bound	Explanation
maxnoofBearers	Maximum no. of E-RABs. Value is 256

9.1.19 WT MODIFICATION REQUEST REJECT

This message is sent by the WT to inform the eNB that the eNB initiated WT Modification procedure has failed.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	ignore
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	ignore
Cause	M		9.2.4		YES	ignore
Criticality Diagnostics	O		9.2.5		YES	ignore

9.1.20 WT MODIFICATION REQUIRED

This message is sent by the WT to the eNB to request the release or modification of LWA bearers for a specific UE.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	reject
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	reject
Cause	M		9.2.4		YES	ignore
E-RABs To Be Released List		0..1			YES	ignore
>E-RABs To Be Released Item		1 .. <maxnoof Bearers>			EACH	ignore
>>E-RAB ID	M		9.2.18		–	–
>>Cause	M		9.2.4		–	–
E-RABs To Be Modified List		0..1			–	–
>E-RABs To Be Modified Item		1 .. <maxnoof Bearers>			EACH	ignore
>>E-RAB ID	M		9.2.18		–	–
>>WT GTP Tunnel Endpoint	O		GTP Tunnel Endpoint 9.2.22	Endpoint of the Xw transport bearer at the WT	–	–
>>LWA WLAN AC	O		9.2.34		YES	ignore

Range bound	Explanation
maxnoofBearers	Maximum no. of E-RABs. Value is 256

9.1.21 WT MODIFICATION CONFIRM

This message is sent by the eNB to inform the WT that the WT initiated WT Modification procedure was successful.

Direction: eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	ignore
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	ignore
E-RABs Confirmed To Be Released List		0..1			–	–
>E-RABs Confirmed To Be Released Item		1 .. <maxnoof Bearers>			EACH	ignore
>>E-RAB ID	M		9.2.18		–	–
>>DL Forwarding GTP Tunnel Endpoint	O		GTP Tunnel Endpoint 9.2.22	Identifies the Xw transport bearer used for forwarding of DL PDUs	–	–
E-RABs Confirmed To Be Modified List		0..1			–	–
>E-RABs Confirmed To Be Modified Item		1 .. <maxnoof Bearers>			EACH	ignore
>>E-RAB ID	M		9.2.18		–	–
Criticality Diagnostics	O		9.2.5		YES	ignore

Range bound	Explanation
maxnoofBearers	Maximum no. of E-RABs. Value is 256

9.1.22 WT MODIFICATION REFUSE

This message is sent by the eNB to inform the WT that the WT initiated WT Modification procedure has failed.

Direction: eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	ignore
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	ignore
Cause	M		9.2.4		YES	ignore
Criticality Diagnostics	O		9.2.5		YES	ignore

9.1.23 WT RELEASE REQUEST

This message is sent by the eNB to the WT to request the release of all resources for a specific UE at the WT.

Direction: eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	ignore
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	reject
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	reject
Cause	O		9.2.4		YES	ignore
E-RABs To Be Released List		0..1			YES	ignore
>E-RABs To Be Released Item		1 .. <maxnoof Bearers>			EACH	ignore
>>E-RAB ID	M		9.2.18		–	–
>>DL Forwarding GTP Tunnel Endpoint	O		GTP Tunnel Endpoint 9.2.22	Identifies the Xw transport bearer. used for forwarding of DL PDUs	–	–
UE Context Kept Indicator	O		9.2.32		YES	ignore

Range bound	Explanation
maxnoofBearers	Maximum no. of E-RABs. Value is 256

9.1.24 WT RELEASE REQUIRED

This message is sent by the WT to request the release of all resources for a specific UE at the WT.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	reject
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	reject
Cause	M		9.2.4		YES	ignore

9.1.25 WT RELEASE CONFIRM

This message is sent by the eNB to confirm the release of all resources for a specific UE at the WT.

Direction: eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	ignore
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	ignore
E-RABs to be Released List		0..1			YES	ignore
>E-RABs To Be Released Item		1 .. <maxnoof Bearers>			–	–
>>E-RAB ID	M		9.2.18		–	–
>>DL Forwarding GTP Tunnel Endpoint	O		GTP Tunnel Endpoint 9.2.22	Identifies the Xw transport bearer used for forwarding of DL PDUs	–	–
Criticality Diagnostics	O		9.2.5		YES	ignore

Range bound	Explanation
maxnoofBearers	Maximum no. of E-RABs. Value is 256

9.1.26 WT ASSOCIATION CONFIRMATION

This message is sent by the WT to the eNB to confirm that a certain UE successfully associated with the WLAN.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	ignore
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	ignore
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	ignore

9.1.27 LWIP ADDITION REQUEST

This message is sent by the eNB to the WT to request the configuration of tunnel resources for LWIP operation for a specific UE.

Direction: eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	reject
UE Identity	M		9.2.16		YES	reject
LWIP-SeGW Security Information	M		9.2.30
Serving PLMN	O		PLMN Identity 9.2.3	The serving PLMN for the UE.	YES	ignore
eNB GTP Tunnel Endpoint	O		GTP Tunnel Endpoint 9.2.22	Endpoint of the Xw transport bearer at the eNB	YES	reject
Mobility Set	O		9.2.28		YES	reject

9.1.28 LWIP ADDITION REQUEST ACKNOWLEDGE

This message is sent by the WT to confirm to the eNB about the LWIP addition preparation.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	ignore
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	ignore
LWIP-SeGW GTP Tunnel Endpoint	O		GTP Tunnel Endpoint 9.2.22	Endpoint of the Xw transport bearer at the WT	YES	reject
Criticality Diagnostics	O		9.2.5		YES	ignore

9.1.29 LWIP ADDITION REQUEST REJECT

This message is sent by the WT to inform the eNB that the LWIP Addition Preparation procedure has failed.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	ignore
Cause	M		9.2.4		YES	ignore
Criticality Diagnostics	O		9.2.5		YES	ignore

9.1.30 LWIP MODIFICATION REQUEST

This message is sent by the eNB to the WT to request the modification of tunnel resources for LWIP operation for a specific UE.

Direction: eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	reject
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	reject
Cause	M		9.2.4		YES	ignore
Serving PLMN	O		PLMN Identity 9.2.3	The serving PLMN for the UE.	YES	ignore
Mobility Set	O		9.2.28		YES	reject

9.1.31 LWIP MODIFICATION REQUEST ACKNOWLEDGE

This message is sent by the WT to the eNB to confirm the modification of tunnel resources for LWIP operation for a specific UE.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	ignore
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	ignore
Criticality Diagnostics	O		9.2.5		YES	ignore

9.1.32 LWIP MODIFICATION REQUEST REJECT

This message is sent by the WT to inform the eNB that the eNB initiated LWIP Modification procedure has failed.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	ignore
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	ignore
Cause	M		9.2.4		YES	ignore
Criticality Diagnostics	O		9.2.5		YES	ignore

9.1.33 LWIP RELEASE REQUEST

This message is sent by the eNB to the WT to request the release of all tunnel resources for LWIP operation for a specific UE at the WT.

Direction: eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	ignore
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	reject
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	reject
Cause	O		9.2.4		YES	ignore

9.1.34 LWIP RELEASE REQUIRED

This message is sent by the WT to request the release of all tunnel resources for LWIP operation for a specific UE at the WT.

Direction: WT  eNB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	reject
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	reject
Cause	M		9.2.4		YES	ignore

9.1.35 LWIP RELEASE CONFIRM

This message is sent by the eNB to confirm the release of all tunnel resources for LWIP operation for a specific UE at the WT.

Direction: eNB  WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Message Type	M		9.2.1		YES	reject
eNB UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the eNB	YES	ignore
WT UE XwAP ID	M		UE XwAP ID 9.2.24	Assigned by the WT	YES	ignore
Criticality Diagnostics	O		9.2.5		YES	ignore

9.2 Information Element definitions

9.2.0 General

When specifying information elements which are to be represented by bit strings, if not otherwise specifically stated in the semantics description of the concerned IE or elsewhere, the following principle applies with regards to the ordering of bits:

– The first bit (leftmost bit) contains the most significant bit (MSB);

– The last bit (rightmost bit) contains the least significant bit (LSB);

– When importing bit strings from other specifications, the first bit of the bit string contains the first bit of the concerned information.

9.2.1 Message Type

This IE uniquely identifies the message being sent. It is mandatory for all messages.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Procedure Code

INTEGER (0..255)

Type of Message

CHOICE (Initiating Message, Successful Outcome, Unsuccessful Outcome,

…)

9.2.2 Global eNB ID

This IE is used to globally identify an eNB (see TS 36.401 [9]).

IE/Group Name	Presence	Range	IE type and reference	Semantics description
PLMN Identity	M		9.2.3
CHOICE eNB ID	M
>Macro eNB ID
>>Macro eNB ID	M		BIT STRING (20)	Equal to the Macro eNB ID IE contained in Global eNB ID IE as defined in sub clause 9.2.1.37 of TS 36.413 [8]..
>Other eNB ID
>>Other eNB ID	M		Protocol IE Container
>Short Macro eNB ID
>>Short Macro eNB ID	M		BIT STRING (SIZE(18))	Equal to the Short Macro eNB ID IE contained in Global eNB ID IE as defined in sub clause 9.2.1.37 of TS 36.413 [8].
>Long Macro eNB ID
>>Long Macro eNB ID	M		BIT STRING (SIZE(21))	Equal to the Long Macro eNB ID IE contained in Global eNB ID IE as defined in sub clause 9.2.1.37 of TS 36.413 [8].

9.2.3 PLMN Identity

This IE indicates the PLMN Identity.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

PLMN Identity

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).

9.2.4 Cause

The purpose of this IE is to indicate the reason for a particular event for the whole protocol.

IE/Group Name	Presence	Range	IE Type and Reference	Semantics Description
CHOICE Cause Group	M
>Radio Network Layer
>>Radio Network Layer Cause	M		ENUMERATED (Unknown eNB UE XwAP ID, Unknown WT UE XwAP ID, Unknown Pair of UE XwAP ID, WLAN not Available, Security Failure, ReportCharacteristicsEmpty, ExistingMeasurement ID, Unknown Measurement ID, Measurement Temporarily not Available, Unspecified, Multiple E-RAB ID instances, Switch Off Ongoing, Not supported QCI value, Measurement not supported for the object, Reduce Load, Resource Optimisation, Target not Allowed, No Radio Resources Available, Invalid QoS combination, Procedure cancelled, Radio Connection With UE Lost, Failure in the Radio Interface Procedure, …, No Report Periodicity, Wrong WLAN Interworking Mode)
>Transport Layer
>>Transport Layer Cause	M		ENUMERATED (Transport Resource Unavailable, Unspecified, …)
>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,Unspecified,Abstract Syntax Error (Falsely Constructed Message), …)
>Misc
>>Miscellaneous Cause	M		ENUMERATED (Control Processing Overload, Hardware Failure,O&M Intervention,Not enough User Plane Processing Resources,Unspecified, …)

The meaning of the different cause values is described in the following table. In general, "not supported" cause values indicate that the concerned capability is missing. On the other hand, "not available" cause values indicate that the concerned capability is present, but insufficient resources were available to perform the requested action.

Radio Network Layer cause	Meaning
WLAN not Available	The concerned WLAN is not available.
Unknown eNB UE XwAP ID	The action failed because the eNB UE XwAP ID is unknown.
Unknown WT UE XwAP ID	The action failed because the WT UE XwAP ID is unknown.
Unknown Pair of UE XwAP ID	The action failed because the pair of UE XwAP IDs is unknown.
Security Failure	The action is requested (or a previous request by the receiving node failed) due to a failure in security procedures.
ReportCharacteristicsEmpty	The action failed because there is no characteristic reported.
Existing Measurement ID	The action failed because Measurement ID is already used.
Unknown Measurement ID	The action failed because some eNB or WT Measurement ID is unknown.
Measurement Temporarily not Available	The WT can temporarily not provide the requested measurement object.
Multiple E-RAB ID Instances	The action failed because multiple instances of the same E-RAB had been provided to the WT.
Switch Off Ongoing	The reason for the action is an ongoing switch off i.e. either the sending node, or nodes whose actions the sending node triggers or monitors, will be switched off and not be available. It aids the receiving node in taking subsequent actions.
Not supported QCI value	The action failed because the requested QCI is not supported.
Unspecified	Sent when none of the above cause values applies but still the cause is Radio Network Layer related.
Measurement not Supported For The Object	At least one of the concerned BSS(s) does not support the requested measurement.
Reduce Load	The action is requested in order to reduce load in an element controlled by the sending node.
Resource Optimisation	The reason for requesting this action is to improve the load distribution.
Target not Allowed	Requested action towards the indicated target is not allowed for the UE in question.
No Radio Resources Available	The action failed because of insufficient radio resources in the requested node.
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.
Radio Connection With UE Lost	The action is requested due to losing the radio connection to the UE.
Failure in the Radio Interface Procedure	Radio interface procedure has failed.
No Report Periodicity	The action failed because the periodicity is not defined.
Wrong WLAN Interworking Mode	The WT cannot support the requested WLAN interworking mode (LWA or LWIP), or it cannot handle a procedure related to one of the modes, or the requested mode is not configured for the UE.

Transport Network Layer cause	Meaning
Transport resource unavailable	The required transport resources are not available.
Unspecified	Sent when none of the above cause values applies but still the cause is Transport Network Layer related

Protocol cause	Meaning
Abstract Syntax Error (Reject)	The received message included an abstract syntax error and the concerned criticality indicated "reject" (see sub clause 10.3 of TS 36.413 [8]).
Abstract Syntax Error (Ignore and Notify)	The received message included an abstract syntax error and the concerned criticality indicated "ignore and notify" (see sub clause 10.3 of TS 36.413 [8]).
Abstract Syntax Error (falsely constructed message)	The received message contained IEs or IE groups in wrong order or with too many occurrences (see sub clause 10.3 of TS 36.413 [8]).
Message not Compatible with Receiver State	The received message was not compatible with the receiver state (see sub clause 10.4 of TS 36.413 [8]).
Semantic Error	The received message included a semantic error (see sub clause 10.4 of TS 36.413 [8]).
Transfer Syntax Error	The received message included a transfer syntax error (see sub clause 10.2 of TS 36.413 [8]).
Unspecified	Sent when none of the above cause values applies but still the cause is Protocol related

Miscellaneous cause	Meaning
Control Processing Overload	eNB or WT control processing overload
Hardware Failure	eNB or WT hardware failure
Not enough User Plane Processing Resources	eNB or WT has insufficient user plane processing resources available.
O&M Intervention	Operation and Maintenance intervention
Unspecified	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 or Protocol

9.2.5 Criticality Diagnostics

The Criticality Diagnostics IE is sent by the eNB and the WT when parts of a received message have not been comprehended or were missing, or if the message contained logical errors. When applicable, it contains information about which IEs were not comprehended or were missing.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
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).
Information Element Criticality Diagnostics		0..<maxnoofErrors>
>IE Criticality	M		ENUMERATED(reject, ignore, notify)	The IE Criticality is used for reporting the criticality of the triggering IE. The value "ignore’" shall not be used.
>IE ID	M		INTEGER (0..65535)	The IE ID of the not understood or missing IE
>Type Of Error	M		ENUMERATED(not understood, missing, …)

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

9.2.6 WT ID

This IE is used to identify a WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
CHOICE WT ID Type	M
>WT ID Type 1
>>PLMN ID	M		PLMN Identity 9.2.3
>>Short WT ID	M		BIT STRING (24)
>WT ID Type 2
>>Long WT ID	M		BIT STRING (48)

9.2.7 WLAN Information

This IE contains WLAN configuration information that an eNB may need for the Xw interface. It shall contain at least one of the BSS Item, the SSID, and/or the HESSID IEs.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
BSS Item	O
>BSSID	M		9.2.8
>WLAN Operating Class	O		INTEGER (0..255)	Indicates the Operating Class of WLAN as defined in IEEE 802.11™ [11].
>WLAN Country Code	O		ENUMERATED (unitedStates, europe, japan, global, …)	Indicates the country code of WLAN as defined in IEEE 802.11™ [11].
>Maximum Capacity	O		Bit Rate 9.2.17	The maximum supported data rate corresponding to this BSSID.
>WLAN Band Information List		0..1
>>WLAN Band Information Item		1..<maxnoofBands>			EACH	ignore
>>>WLAN Band Information			9.2.13
SSID	O		9.2.9
HESSID	O		9.2.10
WLAN Usage	O		9.2.31		YES	reject

Range bound	Explanation
maxnoofBands	Maximum number of WLAN Band Information Items per BSSID. The value of maxnoofBands is 256.

9.2.8 BSSID

This IE contains the BSSID.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
BSSID	M		OCTET STRING (SIZE(6))	Includes the BSSID field as defined in subclause 8.2.4.3.4 of IEEE 802.11™ [11].

9.2.9 SSID

This IE contains the SSID.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
SSID	M		OCTET STRING (SIZE(1..32))	Includes the SSID field as defined in subclause 8.4.2.2 of IEEE 802.11™ [11].

9.2.10 HESSID

This IE contains the HESSID.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
HESSID	M		OCTET STRING (SIZE(6))	Includes the HESSID field as defined in subclause 8.4.2.94 of IEEE 802.11™ [11].

9.2.11 BSS Load

This IE contains the BSS Load.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
Channel Utilization	M		9.2.14	Channel Utilization field of the BSS Load element defined in subclause 8.4.2.30 of IEEE 802.11™ [11].
Station Count	O		9.2.25	The stationcount field of the BSS Load element defined in subclause 8.4.2.30 of IEEE 802.11™ [11].

9.2.12 WAN Metrics

This IE contains the WAN Metrics.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
WAN Backhaul Rate DL	M		WLAN Backhaul Rate 9.2.15	Downlink Speed field of the WAN Metrics element defined in subclause 4.4 of Hotspot 2.0 (Release 2) [10]
WAN Backhaul Rate UL	M		WLAN Backhaul Rate 9.2.15	Uplink Speed field of the WAN Metrics element defined in subclause 4.4 of Hotspot 2.0 (Release 2) [10]
WAN Backhaul Load DL	M		Channel Utilization 9.2.14	Downlink Load field of the WAN Metrics element defined in subclause 4.4 of Hotspot 2.0 (Release 2) [10]
WAN Backhaul Load UL	M		Channel Utilization 9.2.14	Uplink Load field of the WAN Metrics element defined in subclause 4.4 of Hotspot 2.0 (Release 2) [10]

9.2.13 WLAN Band Information

This IE describes the WLAN band information.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
CHOICE WLAN Band Information
>Band
>>WLAN Band	M		ENUMERATED (band2dot4, band5, …, band60)	Indicates the band of the WLAN as defined in IEEE 802.11™ [11].
>Channel Number
>>WLAN Channel Number	M		INTEGER (0..255)	Indicates the WLAN channel number as defined in IEEE 802.11™ [11].

9.2.14 Channel Utilization

This IE indicates the utilization level of a channel.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
Channel Utilization	M		INTEGER (0..255)

9.2.15 WLAN Backhaul Rate

This IE identifies a WLAN Backhaul Rate.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
WLAN Backhaul Rate	M		ENUMERATED ( r0, r4, r8, r16, r32, r64, r128, r256, r512, r1024, r2048, r4096, r8192, r16384, r32768, r65536, r131072, r262144, r524288, r1048576, r2097152, r4194304, r8388608, r16777216, r33554432, r67108864, r134217728, r268435456, r536870912, r1073741824, r2147483648, r4294967296)

9.2.16 UE Identity

This IE represents the WLAN MAC address of the UE.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
UE Identity	M		OCTET STRING (SIZE(6))	This corresponds to the WLAN MAC address of the UE

9.2.17 Bit Rate

This IE indicates the number of bits delivered within a period of time, divided by the duration of the period. It is used, for example, to indicate the maximum or guaranteed bit rate for a GBR E-RAB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
Bit Rate	M		INTEGER (0..10,000,000,000)	The unit is: bit/s

9.2.18 E-RAB ID

This IE uniquely identifies an E-RAB for a UE.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
E-RAB ID	M		INTEGER (0..15, …)

9.2.19 E-RAB Level QoS Parameters

This IE defines the QoS to be applied to an E-RAB.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
QCI	M		INTEGER (0..255)	QoS Class Identifier defined in TS 23.401 [14]. Logical range and coding specified in TS 23.203 [13].	–	–
Allocation and Retention Priority	M		9.2.20		–	–
GBR QoS Information	O		9.2.21	This IE applies to GBR bearers only and shall be ignored otherwise.	–	–

9.2.20 Allocation and Retention Priority

This IE specifies the relative importance compared to other E-RABs for allocation and retention of the E-UTRAN Radio Access Bearer.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
Priority Level	M		INTEGER (0..15)	Desc.: This IE should be understood as “priority of allocation and retention” (see TS 23.401 [14]). 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)	Descr.: 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.

9.2.21 GBR QoS Information

This IE indicates the maximum and guaranteed bit rates of a GBR E-RAB for downlink.

NOTE: The WT shall regard the GBR QoS Information IE as an E-RAB level parameter for E-RABs configured with the LWA bearer, although the bit rates signalled by the eNB are typically not equal to the bit rates signalled by the MME for that E-RAB (see TS 36.300 [2]).

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

E-RAB Maximum Bit Rate Downlink

Bit Rate 9.2.17

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

Details in TS 23.401 [14].

–

E-RAB Guaranteed Bit Rate Downlink

Bit Rate 9.2.17

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 [14].

–

9.2.22 GTP Tunnel Endpoint

The GTP Tunnel Endpoint IE identifies an Xw transport bearer associated to an E-RAB. It contains a Transport Layer Address and a GTP Tunnel Endpoint Identifier. The Transport Layer Address is an IP address to be used for the Xw user plane transport (see TS 36.464 [15]). The GTP Tunnel Endpoint Identifier is to be used for the user plane transport between the eNB and the WT.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Transport Layer Address	M		BIT STRING (1..160, …)	For details on the Transport Layer Address, see TS 36.464 [15]	–	–
GTP TEID	M		OCTET STRING (4)	For details and range, see TS 29.281 [16]	–	–

9.2.23 E-RAB List

The IE contains a list of E-RAB identities with a cause value. It is used for example to indicate not admitted bearers.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
E-RAB List Item		1..<maxnoofBearers>			EACH	ignore
>E-RAB ID	M		9.2.18		–	–
>Cause	M		9.2.4		–	–

Range bound	Explanation
maxnoofBearers	Maximum no. of E-RABs. Value is 256.

9.2.24 UE XwAP ID

This information element uniquely identifies a UE over the Xw interface within a WT or an eNB.

The eNB UE XwAP ID is allocated by the eNB, and the WT UE XwAP ID is allocated by the WT.

The usage of this IE is defined in TS 36.401 [9].

IE/Group Name	Presence	Range	IE type and reference	Semantics description
UE XwAP ID	M		OCTET STRING (SIZE(3))

9.2.25 Station Count

The Station Count IE indicates the total number of stations associated with the BSS.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
Station Count	M		INTEGER (0..65535)	Defined in subclause 8.4.2.30 of IEEE 802.11™ [11]

9.2.26 Available Channel Utilization

The Available Channel Utilization IE indicates the amount of WLAN channel utilization time that is available for LWA services relative to the total channel busy time period, as defined in [11]. The available channel utilization should be measured and reported so that the minimum channel utilization time needed for existing services is reserved according to implementation.

IE/Group Name	Presence	Range	IE type and reference	Semantics description	Criticality	Assigned Criticality
Capacity Value	M		INTEGER (0..100)	Value 0 shall indicate no available channel utilization time, and 100 shall indicate that all the channel utilization time is available. Available Channel Utilization should be measured on a linear scale.	–	–

9.2.27 WLAN Security Information

The WLAN Security Information IE is used to establish WLAN security as defined in TS 33.401 [17].

IE/Group Name	Presence	Range	IE Type and Reference	Semantics Description
WT Security Key	M		BIT STRING (SIZE(256))	The S-K_WT which is provided by the eNB, see TS 33.401 [17].

9.2.28 Mobility Set

The Mobility Set IE contains the mobility set configured for a UE, as defined in TS 36.300 [2]. It shall contain at least one of the BSSID, the SSID, and/or the HESSID IEs.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
Mobility Set Item		1..<maxnoofMobilitySetItems>
>BSSID	O		9.2.8
>SSID	O		9.2.9
>HESSID	O		9.2.10

Range bound	Explanation
maxnoofMobilitySetItems	Maximum number of mobility set items in the Mobility Set. The value is 1024.

9.2.29 Time To Wait

This IE defines the minimum allowed waiting times.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
Time To Wait	M		ENUMERATED(1s, 2s, 5s, 10s, 20s, 60s, …)

9.2.30 LWIP-SeGW Security Information

This IE contains security information for the LWIP IPSec tunnel, as defined in TS 33.401 [17].

IE/Group Name	Presence	Range	IE Type and Reference	Semantics Description
LWIP-PSK	M		BIT STRING (SIZE(256))
IKE Initiator Identity	M		OCTET STRING

9.2.31 WLAN Usage

This IE identifies the usage of the given WLAN identifier(s).

IE/Group Name	Presence	Range	IE type and reference	Semantics description
WLAN Usage	M		ENUMERATED (LWA and LWIP, LWIP only, …)

9.2.32 UE Context Kept Indicator

This IE indicates that the UE Context at the WT is kept in case of inter-eNB handover without WT Change procedure, as specified in TS 36.300 [2].

IE/Group Name	Presence	Range	IE type and reference	Semantics description
UE Context Kept Indicator	M		ENUMERATED (True, …)

9.2.33 DRB-Identity

This IE uniquely identifies the DRB for a UE.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
DRB-Identity	M		INTEGER (1..32,…)	Corresponds to the DRB Identity as defined in TS 36.331 [18]

9.2.34 LWA WLAN AC

This IE identifies the Access Category for uplink LWA.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
LWA WLAN AC	M		ENUMERATED (ac-bk, ac-be, ac-vi, ac-vo)	Corresponds to the Access Categories as defined in TS 36.331 [18]

9.2.35 WT MAC Address

This IE represents the WT MAC address on the network interface towards the WLAN.

IE/Group Name	Presence	Range	IE type and reference	Semantics description
WT MAC Address	M		OCTET STRING (SIZE(6))	This corresponds to the WT MAC Address

9.3 Message and Information Element Abstract Syntax (with ASN.1)

9.3.1 General

XwAP ASN.1 definition conforms to ITU-T Rec. X.680 [6] and ITU-T Rec. X.681 [7].

Sub clause 9.3 presents the Abstract Syntax of the XwAP protocol with ASN.1. In case there is contradiction between the ASN.1 definition in this sub clause and the tabular format in sub clause 9.1 and 9.2, the ASN.1 shall take precedence, except for the definition of conditions for the presence of conditional elements, in which the tabular format shall take precedence.

The ASN.1 definition specifies the structure and content of XwAP messages. XwAP messages can contain any IEs specified in the object set definitions for that message without the order or number of occurrence being restricted by ASN.1. However, for this version of the standard, a sending entity shall construct an XwAP message according to the PDU definitions module and with the following additional rules:

– IEs shall be ordered (in an IE container) in the order they appear in object set definitions.

– Object set definitions specify how many times IEs may appear. An IE shall appear exactly once if the presence field in an object has value "mandatory". An IE may appear at most once if the presence field in an object has value "optional" or "conditional". If in a tabular format there is multiplicity specified for an IE (i.e. an IE list) then in the corresponding ASN.1 definition the list definition is separated into two parts. The first part defines an IE container list in which the list elements reside. The second part defines list elements. The IE container list appears as an IE of its own. For this version of the standard an IE container list may contain only one kind of list elements.

NOTE: In the above, "IE" means an IE in the object set with an explicit ID. If one IE needs to appear more than once in one object set, then the different occurrences have different IE IDs.

If an XwAP message that is not constructed as defined above is received, this shall be considered as Abstract Syntax Error, and the message shall be handled as defined for Abstract Syntax Error in clause 10.

9.3.2 Usage of Private Message Mechanism for Non-standard Use

The private message mechanism for non-standard use may be used:

– for special operator (and/or vendor) specific features considered not to be part of the basic functionality, i.e. the functionality required for a complete and high-quality specification in order to guarantee multivendor inter-operability.

– by vendors for research purposes, e.g. to implement and evaluate new algorithms/features before such features are proposed for standardisation.

The private message mechanism shall not be used for basic functionality. Such functionality shall be standardised.

9.3.3 Elementary Procedure Definitions

— **************************************************************

—

— Elementary Procedure definitions for XwAP

—

— **************************************************************

XwAP-PDU-Descriptions {

itu-t (0) identified-organization (4) etsi (0) mobileDomain (0)

eps-Access (21) modules (3) xwap (8) version1 (1) xwap-PDU-Descriptions (0)}

DEFINITIONS AUTOMATIC TAGS ::=

BEGIN

— **************************************************************

—

— IE parameter types from other modules

—

— **************************************************************

IMPORTS

Criticality,

ProcedureCode

FROM XwAP-CommonDataTypes

ErrorIndication,

LWIPAdditionRequest,

LWIPAdditionRequestAcknowledge,

LWIPAdditionRequestReject,

LWIPModificationRequest,

LWIPModificationRequestAcknowledge,

LWIPModificationRequestReject,

LWIPReleaseRequest,

LWIPReleaseRequired,

LWIPReleaseConfirm,

PrivateMessage,

Reset,

ResetResponse,

XwSetupRequest,

XwSetupResponse,

XwSetupFailure,

WTAdditionRequest,

WTAdditionRequestAcknowledge,

WTAdditionRequestReject,

WTAssociationConfirmation,

WTConfigurationUpdate,

WTConfigurationUpdateAcknowledge,

WTConfigurationUpdateFailure,

WTModificationRequest,

WTModificationRequestAcknowledge,

WTModificationRequestReject,

WTModificationRequired,

WTModificationConfirm,

WTModificationRefuse,

WTReleaseRequest,

WTReleaseRequired,

WTReleaseConfirm,

WTStatusRequest,

WTStatusResponse,

WTStatusFailure,

WTStatusReport

FROM XwAP-PDU-Contents

id-eNBInitiatedWTModification,

id-eNBInitiatedWTRelease,

id-errorIndication,

id-privateMessage,

id-reset,

id-xwSetup,

id-wTAdditionPreparation,

id-wTAssociationConfirmation,

id-wTConfigurationUpdate,

id-wTInitiatedWTModification,

id-wTInitiatedWTRelease,

id-wTStatusReporting,

id-wTStatusReportingInitiation,

id-lWIPAdditionPreparation,

id-eNBInitiatedLWIPModification,

id-eNBInitiatedLWIPRelease,

id-wTInitiatedLWIPRelease

FROM XwAP-Constants;

— **************************************************************

—

— Interface Elementary Procedure Class

—

— **************************************************************

XWAP-ELEMENTARY-PROCEDURE ::= CLASS {

&InitiatingMessage ,

&SuccessfulOutcome OPTIONAL,

&UnsuccessfulOutcome OPTIONAL,

&procedureCode ProcedureCode UNIQUE,

&criticality Criticality DEFAULT ignore

}

WITH SYNTAX {

INITIATING MESSAGE &InitiatingMessage

[SUCCESSFUL OUTCOME &SuccessfulOutcome]

[UNSUCCESSFUL OUTCOME &UnsuccessfulOutcome]

PROCEDURE CODE &procedureCode

[CRITICALITY &criticality]

}

— **************************************************************

—

— Interface PDU Definition

—

— **************************************************************

XwAP-PDU ::= CHOICE {

initiatingMessage InitiatingMessage,

successfulOutcome SuccessfulOutcome,

unsuccessfulOutcome UnsuccessfulOutcome,

…

}

InitiatingMessage ::= SEQUENCE {

procedureCode XWAP-ELEMENTARY-PROCEDURE.&procedureCode ({XWAP-ELEMENTARY-PROCEDURES}),

criticality XWAP-ELEMENTARY-PROCEDURE.&criticality ({XWAP-ELEMENTARY-PROCEDURES}{@procedureCode}),

value XWAP-ELEMENTARY-PROCEDURE.&InitiatingMessage ({XWAP-ELEMENTARY-PROCEDURES}{@procedureCode})

}

SuccessfulOutcome ::= SEQUENCE {

procedureCode XWAP-ELEMENTARY-PROCEDURE.&procedureCode ({XWAP-ELEMENTARY-PROCEDURES}),

criticality XWAP-ELEMENTARY-PROCEDURE.&criticality ({XWAP-ELEMENTARY-PROCEDURES}{@procedureCode}),

value XWAP-ELEMENTARY-PROCEDURE.&SuccessfulOutcome ({XWAP-ELEMENTARY-PROCEDURES}{@procedureCode})

}

UnsuccessfulOutcome ::= SEQUENCE {

procedureCode XWAP-ELEMENTARY-PROCEDURE.&procedureCode ({XWAP-ELEMENTARY-PROCEDURES}),

criticality XWAP-ELEMENTARY-PROCEDURE.&criticality ({XWAP-ELEMENTARY-PROCEDURES}{@procedureCode}),

value XWAP-ELEMENTARY-PROCEDURE.&UnsuccessfulOutcome ({XWAP-ELEMENTARY-PROCEDURES}{@procedureCode})

}

— **************************************************************

—

— Interface Elementary Procedure List

—

— **************************************************************

XWAP-ELEMENTARY-PROCEDURES XWAP-ELEMENTARY-PROCEDURE ::= {

XWAP-ELEMENTARY-PROCEDURES-CLASS-1 |

XWAP-ELEMENTARY-PROCEDURES-CLASS-2,

…

}

XWAP-ELEMENTARY-PROCEDURES-CLASS-1 XWAP-ELEMENTARY-PROCEDURE ::= {

xwSetup |

wTConfigurationUpdate |

wTStatusReportingInitiation |

reset |

wTAdditionPreparation |

eNBInitiatedWTModification |

wTInitiatedWTModification |

wTInitiatedWTRelease |

lWIPAdditionPreparation |

eNBInitiatedLWIPModification |

wTInitiatedLWIPRelease ,

…

}

XWAP-ELEMENTARY-PROCEDURES-CLASS-2 XWAP-ELEMENTARY-PROCEDURE ::= {

wTStatusReporting |

errorIndication |

eNBInitiatedWTRelease |

wTAssociationConfirmation |

privateMessage |

eNBInitiatedLWIPRelease ,

…

}

— **************************************************************

—

— Interface Elementary Procedures

—

— **************************************************************

xwSetup XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE XwSetupRequest

SUCCESSFUL OUTCOME XwSetupResponse

UNSUCCESSFUL OUTCOME XwSetupFailure

PROCEDURE CODE id-xwSetup

CRITICALITY reject

}

wTConfigurationUpdate XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE WTConfigurationUpdate

SUCCESSFUL OUTCOME WTConfigurationUpdateAcknowledge

UNSUCCESSFUL OUTCOME WTConfigurationUpdateFailure

PROCEDURE CODE id-wTConfigurationUpdate

CRITICALITY reject

}

wTStatusReportingInitiation XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE WTStatusRequest

SUCCESSFUL OUTCOME WTStatusResponse

UNSUCCESSFUL OUTCOME WTStatusFailure

PROCEDURE CODE id-wTStatusReportingInitiation

CRITICALITY reject

}

wTStatusReporting XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE WTStatusReport

PROCEDURE CODE id-wTStatusReporting

CRITICALITY ignore

}

errorIndication XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE ErrorIndication

PROCEDURE CODE id-errorIndication

CRITICALITY ignore

}

reset XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE Reset

SUCCESSFUL OUTCOME ResetResponse

PROCEDURE CODE id-reset

CRITICALITY reject

}

wTAdditionPreparation XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE WTAdditionRequest

SUCCESSFUL OUTCOME WTAdditionRequestAcknowledge

UNSUCCESSFUL OUTCOME WTAdditionRequestReject

PROCEDURE CODE id-wTAdditionPreparation

CRITICALITY reject

}

eNBInitiatedWTModification XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE WTModificationRequest

SUCCESSFUL OUTCOME WTModificationRequestAcknowledge

UNSUCCESSFUL OUTCOME WTModificationRequestReject

PROCEDURE CODE id-eNBInitiatedWTModification

CRITICALITY reject

}

wTInitiatedWTModification XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE WTModificationRequired

SUCCESSFUL OUTCOME WTModificationConfirm

UNSUCCESSFUL OUTCOME WTModificationRefuse

PROCEDURE CODE id-wTInitiatedWTModification

CRITICALITY reject

}

eNBInitiatedWTRelease XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE WTReleaseRequest

PROCEDURE CODE id-eNBInitiatedWTRelease

CRITICALITY ignore

}

wTInitiatedWTRelease XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE WTReleaseRequired

SUCCESSFUL OUTCOME WTReleaseConfirm

PROCEDURE CODE id-wTInitiatedWTRelease

CRITICALITY reject

}

wTAssociationConfirmation XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE WTAssociationConfirmation

PROCEDURE CODE id-wTAssociationConfirmation

CRITICALITY ignore

}

privateMessage XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE PrivateMessage

PROCEDURE CODE id-privateMessage

CRITICALITY ignore

}

lWIPAdditionPreparation XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE LWIPAdditionRequest

SUCCESSFUL OUTCOME LWIPAdditionRequestAcknowledge

UNSUCCESSFUL OUTCOME LWIPAdditionRequestReject

PROCEDURE CODE id-lWIPAdditionPreparation

CRITICALITY reject

}

eNBInitiatedLWIPModification XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE LWIPModificationRequest

SUCCESSFUL OUTCOME LWIPModificationRequestAcknowledge

UNSUCCESSFUL OUTCOME LWIPModificationRequestReject

PROCEDURE CODE id-eNBInitiatedLWIPModification

CRITICALITY reject

}

eNBInitiatedLWIPRelease XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE LWIPReleaseRequest

PROCEDURE CODE id-eNBInitiatedLWIPRelease

CRITICALITY ignore

}

wTInitiatedLWIPRelease XWAP-ELEMENTARY-PROCEDURE ::= {

INITIATING MESSAGE LWIPReleaseRequired

SUCCESSFUL OUTCOME LWIPReleaseConfirm

PROCEDURE CODE id-wTInitiatedLWIPRelease

CRITICALITY reject

}

END

9.3.4 PDU Definitions

— **************************************************************

—

— PDU definitions for XwAP.

—

— **************************************************************

XwAP-PDU-Contents {

itu-t (0) identified-organization (4) etsi (0) mobileDomain (0)

eps-Access (21) modules (3) xwap (8) version1 (1) xwap-PDU-Contents (1) }

DEFINITIONS AUTOMATIC TAGS ::=

BEGIN

— **************************************************************

—

— IE parameter types from other modules.

—

— **************************************************************

IMPORTS

BSSMeasurementResult-List,

BSSToReport-List,

Cause,

CompleteFailureCauseInformation-List,

CriticalityDiagnostics,

DRB-Identity,

ENBNeighbour-List,

E-RAB-ID,

E-RAB-List,

E-RAB-QoS-Parameters,

Global-ENB-ID,

GTPtunnelEndpoint,

LWA-WLAN-AC,

Measurement-ID,

MeasurementInitiationResult-List,

MobilitySet,

PartialSuccessIndicator,

PLMN-Identity,

Registration-Request,

ReportCharacteristics,

ReportingPeriodicity,

UE-ContextKeptIndicator,

UE-Identity,

UE-XwAP-ID,

WLANIdentifier-List,

WLANIdentifiersToDelete-List,

WLANIdentifiersToDeleteExtension-List,

WLANSecurityInfo,

WT-MAC-Address,

WTID,

TimeToWait,

LWIP-SeGWSecurityInfo

FROM XwAP-IEs

PrivateIE-Container{},

ProtocolExtensionContainer{},

ProtocolIE-Container{},

ProtocolIE-ContainerList{},

ProtocolIE-ContainerPair{},

ProtocolIE-ContainerPairList{},

ProtocolIE-SingleContainer{},

XWAP-PRIVATE-IES,

XWAP-PROTOCOL-EXTENSION,

XWAP-PROTOCOL-IES,

XWAP-PROTOCOL-IES-PAIR

FROM XwAP-Containers

id-BSSMeasurementResult-List,

id-BSSToReport-List,

id-Cause,

id-CompleteFailureCauseInformation-List,

id-UE-ContextInformationWTModReq,

id-UE-ContextKeptIndicator,

id-CriticalityDiagnostics,

id-DRB-Identity,

id-ENB-Measurement-ID,

id-ENB-UE-XwAP-ID,

id-eNBNeighbour-List,

id-E-RABs-Admitted-ToBeAdded-Item,

id-E-RABs-Admitted-ToBeAdded-List,

id-E-RABs-Admitted-ToBeAdded-ModAckItem,

id-E-RABs-Admitted-ToBeAdded-ModAckList,

id-E-RABs-Admitted-ToBeModified-ModAckItem,

id-E-RABs-Admitted-ToBeModified-ModAckList,

id-E-RABs-Admitted-ToBeReleased-ModAckItem,

id-E-RABs-Admitted-ToBeReleased-ModAckList,

id-E-RABs-Confirmed-ToBeModified-ModReqdList,

id-E-RABs-Confirmed-ToBeModified-ModReqdItem,

id-E-RABs-Confirmed-ToBeReleased-ModReqdList,

id-E-RABs-Confirmed-ToBeReleased-ModReqdItem,

id-E-RABs-NotAdmitted-List,

id-E-RABs-ToBeAdded-Item,

id-E-RABs-ToBeAdded-List,

id-E-RABs-ToBeAdded-ModReqItem,

id-E-RABs-ToBeModified-ModReqItem,

id-E-RABs-ToBeModified-ModReqdList,

id-E-RABs-ToBeModified-ModReqdItem,

id-E-RABs-ToBeReleased-ModReqItem,

id-E-RABs-ToBeReleased-List-RelConf,

id-E-RABs-ToBeReleased-RelConfItem,

id-E-RABs-ToBeReleased-List-RelReq,

id-E-RABs-ToBeReleased-RelReqItem,

id-E-RABs-ToBeReleased-ModReqdList,

id-E-RABs-ToBeReleased-ModReqdItem,

id-Global-ENB-ID,

id-LWA-WLAN-AC,

id-MeasurementInitiationResult-List,

id-MobilitySet,

id-PartialSuccessIndicator,

id-ServingPLMN,

id-Registration-Request,

id-ReportCharacteristics,

id-ReportingPeriodicity,

id-UE-Identity,

id-WLANIdentifier-List,

id-WLANIdentifiersToAdd-List,

id-WLANIdentifiersToDelete-List,

id-WLANIdentifiersToDeleteExtension-List,

id-WLANIdentifiersToModify-List,

id-WLANSecurityInfo,

id-WT-MAC-Address,

id-WTID,

id-WT-Measurement-ID,

id-WT-UE-XwAP-ID,

id-TimeToWait,

id-LWIP-SeGWSecurityInfo,

id-eNBGTPtunnelEndpoint,

id-LWIP-SeGWGTPtunnelEndpoint,

maxnoofBearers

FROM XwAP-Constants;

— **************************************************************

—

— Xw SETUP ELEMENTARY PROCEDURE

—

— **************************************************************

—

— Xw Setup Request

—

— **************************************************************

XwSetupRequest ::= SEQUENCE {

protocolIEs ProtocolIE-Container { {XwSetupRequestIEs} },

…

}

XwSetupRequestIEs XWAP-PROTOCOL-IES ::= {

{ ID id-Global-ENB-ID CRITICALITY reject TYPE Global-ENB-ID PRESENCE mandatory },

…

}

— **************************************************************

—

— Xw Setup Response

—

— **************************************************************

XwSetupResponse ::= SEQUENCE {

protocolIEs ProtocolIE-Container { {XwSetupResponseIEs} },

…

}

XwSetupResponseIEs XWAP-PROTOCOL-IES ::= {

{ ID id-WTID CRITICALITY reject TYPE WTID PRESENCE mandatory}|

{ ID id-WLANIdentifier-List CRITICALITY reject TYPE WLANIdentifier-List PRESENCE mandatory}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional}|

{ ID id-eNBNeighbour-List CRITICALITY reject TYPE ENBNeighbour-List PRESENCE optional},

…

}

— **************************************************************

—

— Xw Setup Failure

—

— **************************************************************

XwSetupFailure ::= SEQUENCE {

protocolIEs ProtocolIE-Container { {XwSetupFailureIEs} },

…

}

XwSetupFailureIEs XWAP-PROTOCOL-IES ::= {

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE mandatory}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional}|

{ ID id-TimeToWait CRITICALITY ignore TYPE TimeToWait PRESENCE optional },

…

}

— **************************************************************

—

— WT CONFIGURATION UPDATE ELEMENTARY PROCEDURE

—

— **************************************************************

—

— WT Configuration Update

—

— **************************************************************

WTConfigurationUpdate ::= SEQUENCE {

protocolIEs ProtocolIE-Container { {WTConfigurationUpdateIEs} },

…

}

WTConfigurationUpdateIEs XWAP-PROTOCOL-IES ::= {

{ ID id-WLANIdentifiersToAdd-List CRITICALITY reject TYPE WLANIdentifier-List PRESENCE optional}|

{ ID id-WLANIdentifiersToModify-List CRITICALITY reject TYPE WLANIdentifier-List PRESENCE optional}|

{ ID id-WLANIdentifiersToDelete-List CRITICALITY reject TYPE WLANIdentifiersToDelete-List PRESENCE optional}|

{ ID id-WLANIdentifiersToDeleteExtension-List CRITICALITY reject TYPE WLANIdentifiersToDeleteExtension-List PRESENCE optional}|

{ ID id-eNBNeighbour-List CRITICALITY reject TYPE ENBNeighbour-List PRESENCE optional},

…

}

— **************************************************************

—

— WT Configuration Update Acknowledge

—

— **************************************************************

WTConfigurationUpdateAcknowledge ::= SEQUENCE {

protocolIEs ProtocolIE-Container { {WTConfigurationUpdateAcknowledgeIEs} },

…

}

WTConfigurationUpdateAcknowledgeIEs XWAP-PROTOCOL-IES ::= {

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

— **************************************************************

—

— WT Configuration Update Failure

—

— **************************************************************

WTConfigurationUpdateFailure ::= SEQUENCE {

protocolIEs ProtocolIE-Container { {WTConfigurationUpdateFailureIEs} },

…

}

WTConfigurationUpdateFailureIEs XWAP-PROTOCOL-IES ::= {

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE mandatory}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional}|

{ ID id-TimeToWait CRITICALITY ignore TYPE TimeToWait PRESENCE optional },

…

}

— **************************************************************

—

— WT STATUS REPORTING INITIATION ELEMENTARY PROCEDURE

—

— **************************************************************

—

— WT Status Request

—

— **************************************************************

WTStatusRequest ::= SEQUENCE {

protocolIEs ProtocolIE-Container {{WTStatusRequest-IEs}},

…

}

WTStatusRequest-IEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-Measurement-ID CRITICALITY reject TYPE Measurement-ID PRESENCE mandatory}|

{ ID id-WT-Measurement-ID CRITICALITY ignore TYPE Measurement-ID PRESENCE conditional}|

— The IE shall be present if the Registration Request IE is set to “Stop”–

{ ID id-Registration-Request CRITICALITY reject TYPE Registration-Request PRESENCE mandatory}|

{ ID id-ReportCharacteristics CRITICALITY reject TYPE ReportCharacteristics PRESENCE optional}|

{ ID id-BSSToReport-List CRITICALITY ignore TYPE BSSToReport-List PRESENCE mandatory}|

{ ID id-ReportingPeriodicity CRITICALITY ignore TYPE ReportingPeriodicity PRESENCE optional}|

{ ID id-PartialSuccessIndicator CRITICALITY ignore TYPE PartialSuccessIndicator PRESENCE optional},

…

}

— **************************************************************

—

— WT Status Response

—

— **************************************************************

WTStatusResponse ::= SEQUENCE {

protocolIEs ProtocolIE-Container {{WTStatusResponse-IEs}},

…

}

WTStatusResponse-IEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-Measurement-ID CRITICALITY reject TYPE Measurement-ID PRESENCE mandatory}|

{ ID id-WT-Measurement-ID CRITICALITY reject TYPE Measurement-ID PRESENCE mandatory}|

{ ID id-MeasurementInitiationResult-List CRITICALITY ignore TYPE MeasurementInitiationResult-List PRESENCE optional}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

— **************************************************************

—

— WT Status Failure

—

— **************************************************************

WTStatusFailure ::= SEQUENCE {

protocolIEs ProtocolIE-Container {{WTStatusFailure-IEs}},

…

}

WTStatusFailure-IEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-Measurement-ID CRITICALITY reject TYPE Measurement-ID PRESENCE mandatory}|

{ ID id-WT-Measurement-ID CRITICALITY reject TYPE Measurement-ID PRESENCE mandatory}|

{ ID id-CompleteFailureCauseInformation-List CRITICALITY ignore TYPE CompleteFailureCauseInformation-List PRESENCE optional}|

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE mandatory}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

— **************************************************************

—

— WT STATUS REPORTING ELEMENTARY PROCEDURE

—

— **************************************************************

—

— WT Status Report

—

— **************************************************************

WTStatusReport ::= SEQUENCE {

protocolIEs ProtocolIE-Container {{WTStatusReport-IEs}},

…

}

WTStatusReport-IEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-Measurement-ID CRITICALITY reject TYPE Measurement-ID PRESENCE mandatory}|

{ ID id-WT-Measurement-ID CRITICALITY reject TYPE Measurement-ID PRESENCE mandatory}|

{ ID id-BSSMeasurementResult-List CRITICALITY ignore TYPE BSSMeasurementResult-List PRESENCE mandatory},

…

}

— **************************************************************

—

— ERROR INDICATION ELEMENTARY PROCEDURE

—

— **************************************************************

—

— Error Indication

—

— **************************************************************

ErrorIndication ::= SEQUENCE {

protocolIEs ProtocolIE-Container {{ErrorIndication-IEs}},

…

}

ErrorIndication-IEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE optional}|

{ ID id-WT-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE optional}|

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE optional}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

— **************************************************************

—

— RESET ELEMENTARY PROCEDURE

—

— **************************************************************

—

— Reset

—

— **************************************************************

Reset ::= SEQUENCE {

protocolIEs ProtocolIE-Container {{Reset-IEs}},

…

}

Reset-IEs XWAP-PROTOCOL-IES ::= {

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE mandatory},

…

}

— **************************************************************

—

— Reset Response

—

— **************************************************************

ResetResponse ::= SEQUENCE {

protocolIEs ProtocolIE-Container {{ResetResponse-IEs}},

…

}

ResetResponse-IEs XWAP-PROTOCOL-IES ::= {

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

— **************************************************************

—

— WT ADDITION PREPARATION ELEMENTARY PROCEDURE

—

— **************************************************************

—

— WT Addition Request

—

— **************************************************************

WTAdditionRequest ::= SEQUENCE {

protocolIEs ProtocolIE-Container { {WTAdditionRequestIEs} },

…

}

WTAdditionRequestIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-UE-Identity CRITICALITY reject TYPE UE-Identity PRESENCE mandatory}|

{ ID id-WLANSecurityInfo CRITICALITY reject TYPE WLANSecurityInfo PRESENCE optional}|

{ ID id-ServingPLMN CRITICALITY ignore TYPE PLMN-Identity PRESENCE optional}|

{ ID id-E-RABs-ToBeAdded-List CRITICALITY reject TYPE E-RABs-ToBeAdded-List PRESENCE mandatory}|

{ ID id-MobilitySet CRITICALITY reject TYPE MobilitySet PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE optional},

…

}

E-RABs-ToBeAdded-List ::= SEQUENCE (SIZE(1..maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RABs-ToBeAdded-ItemIEs} }

E-RABs-ToBeAdded-ItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RABs-ToBeAdded-Item CRITICALITY reject TYPE E-RABs-ToBeAdded-Item PRESENCE mandatory},

…

}

E-RABs-ToBeAdded-Item ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

e-RAB-QoS-Parameters E-RAB-QoS-Parameters,

eNB-GTPtunnelEndpoint GTPtunnelEndpoint,

iE-Extensions ProtocolExtensionContainer { {E-RABs-ToBeAdded-ItemExtIEs} } OPTIONAL,

…

}

E-RABs-ToBeAdded-ItemExtIEs XWAP-PROTOCOL-EXTENSION ::= {

{ ID id-DRB-Identity CRITICALITY reject EXTENSION DRB-Identity PRESENCE optional},

…

}

— **************************************************************

—

— WT Addition Request Acknowledge

—

— **************************************************************

WTAdditionRequestAcknowledge ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { WTAdditionRequestAcknowledgeIEs} },

…

}

WTAdditionRequestAcknowledgeIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-E-RABs-Admitted-ToBeAdded-List CRITICALITY ignore TYPE E-RABs-Admitted-ToBeAdded-List PRESENCE mandatory}|

{ ID id-E-RABs-NotAdmitted-List CRITICALITY ignore TYPE E-RAB-List PRESENCE optional}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional}|

{ ID id-WT-MAC-Address CRITICALITY ignore TYPE WT-MAC-Address PRESENCE optional},

…

}

E-RABs-Admitted-ToBeAdded-List ::= SEQUENCE (SIZE (1..maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RABs-Admitted-ToBeAdded-ItemIEs} }

E-RABs-Admitted-ToBeAdded-ItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RABs-Admitted-ToBeAdded-Item CRITICALITY ignore TYPE E-RABs-Admitted-ToBeAdded-Item PRESENCE mandatory}

}

E-RABs-Admitted-ToBeAdded-Item ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

wT-GTPtunnelEndpoint GTPtunnelEndpoint,

iE-Extensions ProtocolExtensionContainer { {E-RABs-Admitted-ToBeAdded-ItemExtIEs} } OPTIONAL,

…

}

E-RABs-Admitted-ToBeAdded-ItemExtIEs XWAP-PROTOCOL-EXTENSION ::= {

{ ID id-LWA-WLAN-AC CRITICALITY ignore EXTENSION LWA-WLAN-AC PRESENCE optional},

…

}

— **************************************************************

—

— WT Addition Request Reject

—

— **************************************************************

WTAdditionRequestReject ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { WTAdditionRequestRejectIEs} },

…

}

WTAdditionRequestRejectIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE mandatory}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

— **************************************************************

—

— eNB INITIATED WT MODIFICATION ELEMENTARY PROCEDURE

—

— **************************************************************

—

— WT Modification Request

—

— **************************************************************

WTModificationRequest ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { WTModificationRequestIEs} },

…

}

WTModificationRequestIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE mandatory}|

{ ID id-ServingPLMN CRITICALITY ignore TYPE PLMN-Identity PRESENCE optional}|

{ ID id-UE-ContextInformationWTModReq CRITICALITY reject TYPE UE-ContextInformationWTModReq PRESENCE optional}|

{ ID id-MobilitySet CRITICALITY reject TYPE MobilitySet PRESENCE optional},

…

}

UE-ContextInformationWTModReq ::= SEQUENCE {

wLANSecurityInfo WLANSecurityInfo OPTIONAL,

e-RABs-ToBeAdded E-RABs-ToBeAdded-List-ModReq OPTIONAL,

e-RABs-ToBeModified E-RABs-ToBeModified-List-ModReq OPTIONAL,

e-RABs-ToBeReleased E-RABs-ToBeReleased-List-ModReq OPTIONAL,

iE-Extensions ProtocolExtensionContainer { { UE-ContextInformationWTModReqExtIEs} } OPTIONAL,

…

}

UE-ContextInformationWTModReqExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

E-RABs-ToBeAdded-List-ModReq ::= SEQUENCE (SIZE(1..maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RABs-ToBeAdded-ModReqItemIEs} }

E-RABs-ToBeAdded-ModReqItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RABs-ToBeAdded-ModReqItem CRITICALITY ignore TYPE E-RABs-ToBeAdded-ModReqItem PRESENCE mandatory},

…

}

E-RABs-ToBeAdded-ModReqItem ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

e-RAB-QoS-Parameters E-RAB-QoS-Parameters,

eNB-GTPtunnelEndpoint GTPtunnelEndpoint,

iE-Extensions ProtocolExtensionContainer { {E-RABs-ToBeAdded-ModReqItemExtIEs} } OPTIONAL,

…

}

E-RABs-ToBeAdded-ModReqItemExtIEs XWAP-PROTOCOL-EXTENSION ::= {

{ ID id-DRB-Identity CRITICALITY reject EXTENSION DRB-Identity PRESENCE optional},

…

}

E-RABs-ToBeModified-List-ModReq ::= SEQUENCE (SIZE(1..maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RABs-ToBeModified-ModReqItemIEs} }

E-RABs-ToBeModified-ModReqItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RABs-ToBeModified-ModReqItem CRITICALITY ignore TYPE E-RABs-ToBeModified-ModReqItem PRESENCE mandatory},

…

}

E-RABs-ToBeModified-ModReqItem ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

e-RAB-QoS-Parameters E-RAB-QoS-Parameters OPTIONAL,

eNB-GTPtunnelEndpoint GTPtunnelEndpoint OPTIONAL,

iE-Extensions ProtocolExtensionContainer { {E-RABs-ToBeModified-ModReqItemExtIEs} } OPTIONAL,

…

}

E-RABs-ToBeModified-ModReqItemExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

E-RABs-ToBeReleased-List-ModReq ::= SEQUENCE (SIZE(1..maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RABs-ToBeReleased-ModReqItemIEs} }

E-RABs-ToBeReleased-ModReqItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RABs-ToBeReleased-ModReqItem CRITICALITY ignore TYPE E-RABs-ToBeReleased-ModReqItem PRESENCE mandatory},

…

}

E-RABs-ToBeReleased-ModReqItem ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

dL-GTPtunnelEndpoint GTPtunnelEndpoint OPTIONAL,

iE-Extensions ProtocolExtensionContainer { {E-RABs-ToBeReleased-ModReqItemExtIEs} } OPTIONAL,

…

}

E-RABs-ToBeReleased-ModReqItemExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

— **************************************************************

—

— WT Modification Request Acknowledge

—

— **************************************************************

WTModificationRequestAcknowledge ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { WTModificationRequestAcknowledgeIEs} },

…

}

WTModificationRequestAcknowledgeIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-E-RABs-Admitted-ToBeAdded-ModAckList CRITICALITY ignore TYPE E-RABs-Admitted-ToBeAdded-ModAckList PRESENCE optional}|

{ ID id-E-RABs-Admitted-ToBeModified-ModAckList CRITICALITY ignore TYPE E-RABs-Admitted-ToBeModified-ModAckList PRESENCE optional}|

{ ID id-E-RABs-Admitted-ToBeReleased-ModAckList CRITICALITY ignore TYPE E-RABs-Admitted-ToBeReleased-ModAckList PRESENCE optional}|

{ ID id-E-RABs-NotAdmitted-List CRITICALITY ignore TYPE E-RAB-List PRESENCE optional}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

E-RABs-Admitted-ToBeAdded-ModAckList ::= SEQUENCE (SIZE (1..maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RABs-Admitted-ToBeAdded-ModAckItemIEs} }

E-RABs-Admitted-ToBeAdded-ModAckItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RABs-Admitted-ToBeAdded-ModAckItem CRITICALITY ignore TYPE E-RABs-Admitted-ToBeAdded-ModAckItem PRESENCE mandatory}

}

E-RABs-Admitted-ToBeAdded-ModAckItem ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

wT-GTPtunnelEndpoint GTPtunnelEndpoint,

iE-Extensions ProtocolExtensionContainer { {E-RABs-Admitted-ToBeAdded-ModAckItemExtIEs} } OPTIONAL,

…

}

E-RABs-Admitted-ToBeAdded-ModAckItemExtIEs XWAP-PROTOCOL-EXTENSION ::= {

{ ID id-LWA-WLAN-AC CRITICALITY ignore EXTENSION LWA-WLAN-AC PRESENCE optional},

…

}

E-RABs-Admitted-ToBeModified-ModAckList ::= SEQUENCE (SIZE (1..maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RABs-Admitted-ToBeModified-ModAckItemIEs} }

E-RABs-Admitted-ToBeModified-ModAckItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RABs-Admitted-ToBeModified-ModAckItem CRITICALITY ignore TYPE E-RABs-Admitted-ToBeModified-ModAckItem PRESENCE mandatory}

}

E-RABs-Admitted-ToBeModified-ModAckItem ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

wT-GTPtunnelEndpoint GTPtunnelEndpoint OPTIONAL,

iE-Extensions ProtocolExtensionContainer { {E-RABs-Admitted-ToBeModified-ModAckItemExtIEs} } OPTIONAL,

…

}

E-RABs-Admitted-ToBeModified-ModAckItemExtIEs XWAP-PROTOCOL-EXTENSION ::= {

{ ID id-LWA-WLAN-AC CRITICALITY ignore EXTENSION LWA-WLAN-AC PRESENCE optional},

…

}

E-RABs-Admitted-ToBeReleased-ModAckList ::= SEQUENCE (SIZE (1..maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RABs-Admitted-ToBeReleased-ModAckItemIEs} }

E-RABs-Admitted-ToBeReleased-ModAckItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RABs-Admitted-ToBeReleased-ModAckItem CRITICALITY ignore TYPE E-RABs-Admitted-ToBeReleased-ModAckItem PRESENCE mandatory}

}

E-RABs-Admitted-ToBeReleased-ModAckItem ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

iE-Extensions ProtocolExtensionContainer { {E-RABs-Admitted-ToBeReleased-ModAckItemExtIEs} } OPTIONAL,

…

}

E-RABs-Admitted-ToBeReleased-ModAckItemExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

— **************************************************************

—

— WT Modification Request Reject

—

— **************************************************************

WTModificationRequestReject ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { WTModificationRequestRejectIEs} },

…

}

WTModificationRequestRejectIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE mandatory}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

— **************************************************************

—

— WT INITIATED WT MODIFICATION ELEMENTARY PROCEDURE

—

— **************************************************************

—

— WT Modification Required

—

— **************************************************************

WTModificationRequired ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { WTModificationRequiredIEs} },

…

}

WTModificationRequiredIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE mandatory}|

{ ID id-E-RABs-ToBeReleased-ModReqdList CRITICALITY ignore TYPE E-RABs-ToBeReleased-ModReqdList PRESENCE optional}|

{ ID id-E-RABs-ToBeModified-ModReqdList CRITICALITY ignore TYPE E-RABs-ToBeModified-ModReqdList PRESENCE optional},

…

}

E-RABs-ToBeReleased-ModReqdList ::= SEQUENCE (SIZE (1..maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RABs-ToBeReleased-ModReqdItemIEs} }

E-RABs-ToBeReleased-ModReqdItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RABs-ToBeReleased-ModReqdItem CRITICALITY ignore TYPE E-RABs-ToBeReleased-ModReqdItem PRESENCE mandatory},

…

}

E-RABs-ToBeReleased-ModReqdItem ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

cause Cause,

iE-Extensions ProtocolExtensionContainer { {E-RABs-ToBeReleased-ModReqdItemExtIEs} } OPTIONAL,

…

}

E-RABs-ToBeReleased-ModReqdItemExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

E-RABs-ToBeModified-ModReqdList ::= SEQUENCE (SIZE (1..maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RABs-ToBeModified-ModReqdItemIEs} }

E-RABs-ToBeModified-ModReqdItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RABs-ToBeModified-ModReqdItem CRITICALITY ignore TYPE E-RABs-ToBeModified-ModReqdItem PRESENCE mandatory},

…

}

E-RABs-ToBeModified-ModReqdItem ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

wT-GTPtunnelEndpoint GTPtunnelEndpoint OPTIONAL,

iE-Extensions ProtocolExtensionContainer { {E-RABs-ToBeModified-ModReqdItemExtIEs} } OPTIONAL,

…

}

E-RABs-ToBeModified-ModReqdItemExtIEs XWAP-PROTOCOL-EXTENSION ::= {

{ ID id-LWA-WLAN-AC CRITICALITY ignore EXTENSION LWA-WLAN-AC PRESENCE optional},

…

}

— **************************************************************

—

— WT Modification Confirm

—

— **************************************************************

WTModificationConfirm ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { WTModificationConfirmIEs} },

…

}

WTModificationConfirmIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-E-RABs-Confirmed-ToBeReleased-ModReqdList CRITICALITY ignore TYPE E-RABs-Confirmed-ToBeReleased-ModReqdList PRESENCE optional}|

{ ID id-E-RABs-Confirmed-ToBeModified-ModReqdList CRITICALITY ignore TYPE E-RABs-Confirmed-ToBeModified-ModReqdList PRESENCE optional}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

E-RABs-Confirmed-ToBeReleased-ModReqdList ::= SEQUENCE (SIZE(1..maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RABs-Confirmed-ToBeReleased-ModReqdItemIEs} }

E-RABs-Confirmed-ToBeReleased-ModReqdItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RABs-Confirmed-ToBeReleased-ModReqdItem CRITICALITY ignore TYPE E-RABs-Confirmed-ToBeReleased-ModReqdItem PRESENCE mandatory},

…

}

E-RABs-Confirmed-ToBeReleased-ModReqdItem ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

dL-GTPtunnelEndpoint GTPtunnelEndpoint OPTIONAL,

iE-Extensions ProtocolExtensionContainer { {E-RABs-Confirmed-ToBeReleased-ModReqdItemExtIEs} } OPTIONAL,

…

}

E-RABs-Confirmed-ToBeReleased-ModReqdItemExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

E-RABs-Confirmed-ToBeModified-ModReqdList ::= SEQUENCE (SIZE(1..maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RABs-Confirmed-ToBeModified-ModReqdItemIEs} }

E-RABs-Confirmed-ToBeModified-ModReqdItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RABs-Confirmed-ToBeModified-ModReqdItem CRITICALITY ignore TYPE E-RABs-Confirmed-ToBeModified-ModReqdItem PRESENCE mandatory},

…

}

E-RABs-Confirmed-ToBeModified-ModReqdItem ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

iE-Extensions ProtocolExtensionContainer { {E-RABs-Confirmed-ToBeModified-ModReqdItemExtIEs} } OPTIONAL,

…

}

E-RABs-Confirmed-ToBeModified-ModReqdItemExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

— **************************************************************

—

— WT Modification Refuse

—

— **************************************************************

WTModificationRefuse ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { WTModificationRefuseIEs} },

…

}

WTModificationRefuseIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE mandatory}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

— **************************************************************

—

— eNB INITIATED WT RELEASE ELEMENTARY PROCEDURE

—

— **************************************************************

—

— WT Release Request

—

— **************************************************************

WTReleaseRequest ::= SEQUENCE {

protocolIEs ProtocolIE-Container {{ WTReleaseRequest-IEs}},

…

}

WTReleaseRequest-IEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE optional}|

{ ID id-E-RABs-ToBeReleased-List-RelReq CRITICALITY ignore TYPE E-RABs-ToBeReleased-List-RelReq PRESENCE optional}|

{ ID id-UE-ContextKeptIndicator CRITICALITY ignore TYPE UE-ContextKeptIndicator PRESENCE optional},

…

}

E-RABs-ToBeReleased-List-RelReq ::= SEQUENCE (SIZE(1..maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RABs-ToBeReleased-RelReqItemIEs} }

E-RABs-ToBeReleased-RelReqItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RABs-ToBeReleased-RelReqItem CRITICALITY ignore TYPE E-RABs-ToBeReleased-RelReqItem PRESENCE mandatory},

…

}

E-RABs-ToBeReleased-RelReqItem ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

wT-GTPtunnelEndpoint GTPtunnelEndpoint OPTIONAL,

iE-Extensions ProtocolExtensionContainer { {E-RABs-ToBeReleased-RelReqItemExtIEs} } OPTIONAL,

…

}

E-RABs-ToBeReleased-RelReqItemExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

— **************************************************************

—

— WT INITIATED WT RELEASE ELEMENTARY PROCEDURE

—

— **************************************************************

—

— WT Release Required

—

— **************************************************************

WTReleaseRequired ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { WTReleaseRequiredIEs} },

…

}

WTReleaseRequiredIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE mandatory},

…

}

— **************************************************************

—

— WT Release Confirm

—

— **************************************************************

WTReleaseConfirm ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { WTReleaseConfirmIEs} },

…

}

WTReleaseConfirmIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-E-RABs-ToBeReleased-List-RelConf CRITICALITY ignore TYPE E-RABs-ToBeReleased-List-RelConf PRESENCE optional}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

E-RABs-ToBeReleased-List-RelConf ::= SEQUENCE (SIZE(1..maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RABs-ToBeReleased-RelConfItemIEs} }

E-RABs-ToBeReleased-RelConfItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RABs-ToBeReleased-RelConfItem CRITICALITY ignore TYPE E-RABs-ToBeReleased-RelConfItem PRESENCE mandatory},

…

}

E-RABs-ToBeReleased-RelConfItem ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

wT-GTPtunnelEndpoint GTPtunnelEndpoint OPTIONAL,

iE-Extensions ProtocolExtensionContainer { {E-RABs-ToBeReleased-RelConfItemExtIEs} } OPTIONAL,

…

}

E-RABs-ToBeReleased-RelConfItemExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

— **************************************************************

—

— WT ASSOCIATION CONFIRMATION ELEMENTARY PROCEDURE

—

— **************************************************************

—

— WT Association Confirmation

—

— **************************************************************

WTAssociationConfirmation ::= SEQUENCE {

protocolIEs ProtocolIE-Container { {WTAssociationConfirmationIEs} },

…

}

WTAssociationConfirmationIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory},

…

}

— **************************************************************

—

— PRIVATE MESSAGE

—

— **************************************************************

PrivateMessage ::= SEQUENCE {

privateIEs PrivateIE-Container {{PrivateMessage-IEs}},

…

}

PrivateMessage-IEs XWAP-PRIVATE-IES ::= {

…

}

— **************************************************************

—

— LWIP ADDITION PREPARATION ELEMENTARY PROCEDURE

—

— **************************************************************

—

— LWIP Addition Request

—

— **************************************************************

LWIPAdditionRequest ::= SEQUENCE {

protocolIEs ProtocolIE-Container { {LWIPAdditionRequestIEs} },

…

}

LWIPAdditionRequestIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-UE-Identity CRITICALITY reject TYPE UE-Identity PRESENCE mandatory}|

{ ID id-LWIP-SeGWSecurityInfo CRITICALITY reject TYPE LWIP-SeGWSecurityInfo PRESENCE mandatory}|

{ ID id-ServingPLMN CRITICALITY ignore TYPE PLMN-Identity PRESENCE optional}|

{ ID id-eNBGTPtunnelEndpoint CRITICALITY reject TYPE GTPtunnelEndpoint PRESENCE optional}|

{ ID id-MobilitySet CRITICALITY reject TYPE MobilitySet PRESENCE optional},

…

}

— **************************************************************

—

— LWIP Addition Request Acknowledge

—

— **************************************************************

LWIPAdditionRequestAcknowledge ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { LWIPAdditionRequestAcknowledgeIEs} },

…

}

LWIPAdditionRequestAcknowledgeIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-LWIP-SeGWGTPtunnelEndpoint CRITICALITY reject TYPE GTPtunnelEndpoint PRESENCE optional}|

{ ID id-E-RABs-Admitted-ToBeAdded-List CRITICALITY ignore TYPE E-RABs-Admitted-ToBeAdded-List PRESENCE optional}|

{ ID id-E-RABs-NotAdmitted-List CRITICALITY ignore TYPE E-RAB-List PRESENCE optional}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

— **************************************************************

—

— LWIP Addition Request Reject

—

— **************************************************************

LWIPAdditionRequestReject ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { LWIPAdditionRequestRejectIEs} },

…

}

LWIPAdditionRequestRejectIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE mandatory}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

— **************************************************************

—

— eNB INITIATED LWIP MODIFICATION ELEMENTARY PROCEDURE

—

— **************************************************************

—

— LWIP Modification Request

—

— **************************************************************

LWIPModificationRequest ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { LWIPModificationRequestIEs} },

…

}

LWIPModificationRequestIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE mandatory}|

{ ID id-ServingPLMN CRITICALITY ignore TYPE PLMN-Identity PRESENCE optional}|

{ ID id-MobilitySet CRITICALITY reject TYPE MobilitySet PRESENCE optional},

…

}

— **************************************************************

—

— LWIP Modification Request Acknowledge

—

— **************************************************************

LWIPModificationRequestAcknowledge ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { LWIPModificationRequestAcknowledgeIEs} },

…

}

LWIPModificationRequestAcknowledgeIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

— **************************************************************

—

— LWIP Modification Request Reject

—

— **************************************************************

LWIPModificationRequestReject ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { LWIPModificationRequestRejectIEs} },

…

}

LWIPModificationRequestRejectIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE mandatory}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

— **************************************************************

—

— eNB INITIATED LWIP RELEASE ELEMENTARY PROCEDURE

—

— **************************************************************

—

— LWIP Release Request

—

— **************************************************************

LWIPReleaseRequest ::= SEQUENCE {

protocolIEs ProtocolIE-Container {{ LWIPReleaseRequest-IEs}},

…

}

LWIPReleaseRequest-IEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE optional},

…

}

— **************************************************************

—

— WT INITIATED LWIP RELEASE ELEMENTARY PROCEDURE

—

— **************************************************************

—

— LWIP Release Required

—

— **************************************************************

LWIPReleaseRequired ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { LWIPReleaseRequiredIEs} },

…

}

LWIPReleaseRequiredIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY reject TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-Cause CRITICALITY ignore TYPE Cause PRESENCE mandatory},

…

}

— **************************************************************

—

— LWIP Release Confirm

—

— **************************************************************

LWIPReleaseConfirm ::= SEQUENCE {

protocolIEs ProtocolIE-Container { { LWIPReleaseConfirmIEs} },

…

}

LWIPReleaseConfirmIEs XWAP-PROTOCOL-IES ::= {

{ ID id-ENB-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-WT-UE-XwAP-ID CRITICALITY ignore TYPE UE-XwAP-ID PRESENCE mandatory}|

{ ID id-CriticalityDiagnostics CRITICALITY ignore TYPE CriticalityDiagnostics PRESENCE optional},

…

}

END

9.3.5 Information Element definitions

— **************************************************************

—

— Information Element Definitions

—

— **************************************************************

XwAP-IEs {

itu-t (0) identified-organization (4) etsi (0) mobileDomain (0)

eps-Access (21) modules (3) xwap (8) version1 (1) xwap-IEs (2) }

DEFINITIONS AUTOMATIC TAGS ::=

BEGIN

IMPORTS

id-BSSMeasurementResult-Item,

id-BSSToReport-Item,

id-E-RAB-Item,

id-CompleteFailureCauseInformation-Item,

id-MeasurementInitiationResult-Item,

id-MeasurementFailureCause-Item,

id-wLANBandInformation,

id-WLANIdentifier-Item,

id-WLANIdentifiersToDelete-Item,

id-WLANIdentifiersToDeleteExtension-Item,

id-WLANUsage,

id-eNBNeighbour-Item,

maxnoofBands,

maxnoofBearers,

maxnoofBSSs,

maxnoofErrors,

maxnoofFailedMeasObjects,

maxnoofMobilitySetItems,

maxnoofWLANIdentifierItems,

maxnoofeNBNeighbours

FROM XwAP-Constants

Criticality,

ProcedureCode,

ProtocolIE-ID,

TriggeringMessage

FROM XwAP-CommonDataTypes

ProtocolExtensionContainer{},

XWAP-PROTOCOL-EXTENSION,

ProtocolIE-SingleContainer{},

XWAP-PROTOCOL-IES

FROM XwAP-Containers;

— A

AllocationAndRetentionPriority ::= SEQUENCE {

priorityLevel PriorityLevel,

pre-emptionCapability Pre-emptionCapability,

pre-emptionVulnerability Pre-emptionVulnerability,

iE-Extensions ProtocolExtensionContainer { {AllocationAndRetentionPriority-ExtIEs} } OPTIONAL,

…

}

AllocationAndRetentionPriority-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

AvailableChUtilization ::= SEQUENCE {

capacityValue CapacityValue,

iE-Extensions ProtocolExtensionContainer { { AvailableChUtilization-ExtIEs} } OPTIONAL,

…

}

AvailableChUtilization-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

— B

BitRate ::= INTEGER (0..10000000000)

BSSID ::= OCTET STRING (SIZE(6))

BSSLoad ::= SEQUENCE {

channelUtilization ChannelUtilization,

stationCount StationCount OPTIONAL,

iE-Extensions ProtocolExtensionContainer { {BSSLoad-Item-ExtIEs} } OPTIONAL,

…

}

BSSLoad-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

BSS-Item ::= SEQUENCE {

bSSID BSSID,

wLANOperatingClass WLANOperatingClass OPTIONAL,

wLANCountryCode WLANCountryCode OPTIONAL,

maximumCapacity BitRate OPTIONAL,

wLANBandInformationList WLANBandInformationList OPTIONAL,

iE-Extensions ProtocolExtensionContainer { {BSS-Item-ExtIEs} } OPTIONAL,

…

}

BSS-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

BSSMeasurementResult-List ::= SEQUENCE (SIZE (1..maxnoofBSSs)) OF ProtocolIE-SingleContainer { {BSSMeasurementResult-ItemIEs} }

BSSMeasurementResult-ItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-BSSMeasurementResult-Item CRITICALITY ignore TYPE BSSMeasurementResult-Item PRESENCE mandatory},

…

}

BSSMeasurementResult-Item ::= SEQUENCE {

bSSID BSSID,

bSSLoad BSSLoad OPTIONAL,

wANMetrics WANMetrics OPTIONAL,

availableChUtilization AvailableChUtilization OPTIONAL,

iE-Extensions ProtocolExtensionContainer { {BSSMeasurementResult-Item-ExtIEs} } OPTIONAL,

…

}

BSSMeasurementResult-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

BSSToReport-List ::= SEQUENCE (SIZE (1.. maxnoofBSSs)) OF ProtocolIE-SingleContainer { {BSSToReport-ItemIEs} }

BSSToReport-ItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-BSSToReport-Item CRITICALITY ignore TYPE BSSToReport-Item PRESENCE mandatory}

}

BSSToReport-Item ::= SEQUENCE {

bSSID BSSID,

iE-Extensions ProtocolExtensionContainer { {BSSToReport-Item-ExtIEs} } OPTIONAL,

…

}

BSSToReport-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

— C

CapacityValue ::= INTEGER (0..100)

Cause ::= CHOICE {

radioNetwork CauseRadioNetwork,

transport CauseTransport,

protocol CauseProtocol,

misc CauseMisc,

…

}

CauseMisc ::= ENUMERATED {

control-processing-overload,

hardware-failure,

om-intervention,

not-enough-user-plane-processing-resources,

unspecified,

…

}

CauseProtocol ::= ENUMERATED {

transfer-syntax-error,

abstract-syntax-error-reject,

abstract-syntax-error-ignore-and-notify,

message-not-compatible-with-receiver-state,

semantic-error,

unspecified,

abstract-syntax-error-falsely-constructed-message,

…

}

CauseRadioNetwork ::= ENUMERATED {

unknown-eNB-UE-XwAP-ID,

unknown-WT-UE-XwAP-ID,

unknown-pair-of-UE-XwAP-ID,

wLAN-not-available,

security-failure,

reportCharacteristicsEmpty,

existing-Measurement-ID,

unknown-Measurement-ID,

measurement-temporarily-not-available,

unspecified,

multiple-E-RAB-ID-instances,

switch-off-ongoing,

not-supported-QCI-value,

measurement-not-supported-for-the-object,

reduce-load,

resource-optimisation,

target-not-allowed,

no-radio-resources-available,

invalid-QoS-combination,

procedure-cancelled,

radio-connection-with-UE-lost,

failure-in-the-radio-interface-procedure,

…,

no-report-periodicity,

wrong-wlan-interworking-mode

}

CauseTransport ::= ENUMERATED {

transport-resource-unavailable,

unspecified,

…

}

ChannelUtilization ::= INTEGER (0..255)

CompleteFailureCauseInformation-List ::= SEQUENCE (SIZE (1..maxnoofBSSs)) OF ProtocolIE-SingleContainer { {CompleteFailureCauseInformation-ItemIEs} }

CompleteFailureCauseInformation-ItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-CompleteFailureCauseInformation-Item CRITICALITY ignore TYPE CompleteFailureCauseInformation-Item PRESENCE mandatory}

}

CompleteFailureCauseInformation-Item ::= SEQUENCE {

bSSID BSSID,

measurementFailureCause-List MeasurementFailureCause-List,

iE-Extensions ProtocolExtensionContainer { { CompleteFailureCauseInformation-Item-ExtIEs} } OPTIONAL,

…

}

CompleteFailureCauseInformation-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

CriticalityDiagnostics ::= SEQUENCE {

procedureCode ProcedureCode OPTIONAL,

triggeringMessage TriggeringMessage OPTIONAL,

procedureCriticality Criticality OPTIONAL,

iEsCriticalityDiagnostics CriticalityDiagnostics-IE-List OPTIONAL,

iE-Extensions ProtocolExtensionContainer {{CriticalityDiagnostics-ExtIEs}} OPTIONAL,

…

}

CriticalityDiagnostics-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

CriticalityDiagnostics-IE-List ::= SEQUENCE (SIZE (1.. maxnoofErrors)) OF CriticalityDiagnostics-IE-Item

CriticalityDiagnostics-IE-Item ::= SEQUENCE {

iECriticality Criticality,

iE-ID ProtocolIE-ID,

typeOfError TypeOfError,

iE-Extensions ProtocolExtensionContainer {{CriticalityDiagnostics-IE-Item-ExtIEs}} OPTIONAL,

…

}

CriticalityDiagnostics-IE-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

— D

DRB-Identity ::= INTEGER (1..32, …)

— E

ENB-ID ::= CHOICE {

macroENB-ID BIT STRING (SIZE(20)),

otherENB-ID ProtocolIE-SingleContainer { {OtherENB-IDIEs} },

…,

short-macroENB-ID BIT STRING (SIZE(18)),

long-macroENB-ID BIT STRING (SIZE(21))

}

ENBNeighbour-List ::= SEQUENCE (SIZE (0.. maxnoofeNBNeighbours)) OF ProtocolIE-SingleContainer { { ENBNeighbour-ItemIEs} }

ENBNeighbour-ItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-eNBNeighbour-Item CRITICALITY ignore TYPE ENBNeighbour-Item PRESENCE mandatory},

…

}

ENBNeighbour-Item ::= SEQUENCE {

glogal-eNB-ID Global-ENB-ID,

iE-Extensions ProtocolExtensionContainer { { ENBNeighbour-Item-ExtIEs} } OPTIONAL,

…

}

ENBNeighbour-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

E-RAB-ID ::= INTEGER (0..15, …)

E-RAB-List ::= SEQUENCE (SIZE(1.. maxnoofBearers)) OF ProtocolIE-SingleContainer { {E-RAB-ItemIEs} }

E-RAB-ItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-E-RAB-Item CRITICALITY ignore TYPE E-RAB-Item PRESENCE mandatory },

…

}

E-RAB-Item ::= SEQUENCE {

e-RAB-ID E-RAB-ID,

cause Cause,

iE-Extensions ProtocolExtensionContainer { {E-RAB-Item-ExtIEs} } OPTIONAL,

…

}

E-RAB-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

E-RAB-QoS-Parameters ::= SEQUENCE {

qCI QCI,

allocationRetentionPriority AllocationAndRetentionPriority,

gbrQosInformation GBR-QosInformation OPTIONAL,

iE-Extensions ProtocolExtensionContainer { {E-RAB-QoS-Parameters-ExtIEs} } OPTIONAL,

…

}

E-RAB-QoS-Parameters-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

— G

GBR-QosInformation ::= SEQUENCE {

e-RAB-MaximumBitrateDL BitRate,

e-RAB-GuaranteedBitrateDL BitRate,

iE-Extensions ProtocolExtensionContainer { { GBR-QosInformation-ExtIEs} } OPTIONAL,

…

}

GBR-QosInformation-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

Global-ENB-ID ::= SEQUENCE {

pLMNidentity PLMN-Identity,

eNB-ID ENB-ID,

iE-Extensions ProtocolExtensionContainer { {GlobalENB-ID-ExtIEs} } OPTIONAL,

…

}

GlobalENB-ID-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

GTPtunnelEndpoint ::= SEQUENCE {

transportLayerAddress TransportLayerAddress,

gTP-TEID GTP-TEID,

iE-Extensions ProtocolExtensionContainer { {GTPtunnelEndpoint-ExtIEs} } OPTIONAL,

…

}

GTPtunnelEndpoint-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

GTP-TEID ::= OCTET STRING (SIZE (4))

— H

HESSID ::= OCTET STRING (SIZE(6))

— I

IKE-Initiator-Identity ::= OCTET STRING

— L

LWA-WLAN-AC ::= ENUMERATED {

ac-bk, ac-be, ac-vi, ac-vo, …

}

LWIP-SeGWSecurityInfo ::= SEQUENCE {

lWIP-PSK LWIP-PSK,

iKE-Initiator-Identity IKE-Initiator-Identity,

iE-Extensions ProtocolExtensionContainer { {LWIP-SeGWSecurityInfo-ExtIEs} } OPTIONAL,

…

}

LWIP-SeGWSecurityInfo-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

LWIP-PSK ::= BIT STRING(SIZE(256))

— M

Measurement-ID ::= INTEGER (1..4095, …)

MeasurementInitiationResult-List ::= SEQUENCE (SIZE (1.. maxnoofBSSs)) OF ProtocolIE-SingleContainer { { MeasurementInitiationResult-ItemIEs} }

MeasurementInitiationResult-ItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-MeasurementInitiationResult-Item CRITICALITY ignore TYPE MeasurementInitiationResult-Item PRESENCE mandatory}

}

MeasurementInitiationResult-Item ::= SEQUENCE {

bSSID BSSID,

measurementFailureCause-List MeasurementFailureCause-List OPTIONAL,

iE-Extensions ProtocolExtensionContainer { { MeasurementInitiationResult-Item-ExtIEs} } OPTIONAL,

…

}

MeasurementInitiationResult-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

MeasurementFailureCause-List ::= SEQUENCE (SIZE (1..maxnoofFailedMeasObjects)) OF ProtocolIE-SingleContainer { { MeasurementFailureCause-ItemIEs} }

MeasurementFailureCause-ItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-MeasurementFailureCause-Item CRITICALITY ignore TYPE MeasurementFailureCause-Item PRESENCE mandatory}

}

MeasurementFailureCause-Item ::= SEQUENCE {

measurementFailedReportCharacteristics ReportCharacteristics,

cause Cause,

iE-Extensions ProtocolExtensionContainer { { MeasurementFailureCause-Item-ExtIEs} } OPTIONAL,

…

}

MeasurementFailureCause-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

MobilitySet ::= SEQUENCE (SIZE (1..maxnoofMobilitySetItems)) OF MobilitySetItem

MobilitySetItem ::= SEQUENCE {

bSSID BSSID OPTIONAL,

sSID SSID OPTIONAL,

hESSID HESSID OPTIONAL,

iE-Extensions ProtocolExtensionContainer { { MobilitySetItem-ExtIEs } } OPTIONAL,

…

}

MobilitySetItem-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

— O

OtherENB-IDIEs XWAP-PROTOCOL-IES ::= {

…

}

— P

PartialSuccessIndicator ::= ENUMERATED {

partial-success-allowed, …

}

PLMN-Identity ::= OCTET STRING (SIZE(3))

Pre-emptionCapability ::= ENUMERATED {

shall-not-trigger-pre-emption,

may-trigger-pre-emption

}

Pre-emptionVulnerability ::= ENUMERATED {

not-pre-emptable,

pre-emptable

}

PriorityLevel ::= INTEGER { spare (0), highest (1), lowest (14), no-priority (15) } (0..15)

— Q

QCI ::= INTEGER (0..255)

— R

Registration-Request ::= ENUMERATED {

start,

stop,

…

}

ReportCharacteristics ::= BIT STRING (SIZE (32))

ReportingPeriodicity ::= ENUMERATED {

ms10, ms50, ms100, ms200, ms500, s1, s5, s10, …

}

— S

SSID ::= OCTET STRING (SIZE (1..32))

StationCount ::= INTEGER (0..65535)

— T

TransportLayerAddress ::= BIT STRING (SIZE(1..160, …))

TypeOfError ::= ENUMERATED {

not-understood,

missing,

…

}

TimeToWait ::= ENUMERATED {

v1s,

v2s,

v5s,

v10s,

v20s,

v60s,

…

}

— U

UE-ContextKeptIndicator ::= ENUMERATED {

true,

…

}

UE-Identity ::= OCTET STRING (SIZE (6))

UE-XwAP-ID ::= OCTET STRING (SIZE (3))

— W

WANMetrics ::= SEQUENCE {

wAN-Backhaul-Rate-DL WLAN-Backhaul-Rate,

wAN-Backhaul-Rate-UL WLAN-Backhaul-Rate,

wANBackhaulLoad-DL ChannelUtilization,

wANBackhaulLoad-UL ChannelUtilization,

iE-Extensions ProtocolExtensionContainer { { WANMetrics-Item-ExtIEs} } OPTIONAL,

…

}

WANMetrics-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

WLAN-Backhaul-Rate ::= ENUMERATED {r0, r4, r8, r16, r32, r64, r128, r256, r512, r1024, r2048, r4096, r8192, r16384, r32768, r65536, r131072, r262144, r524288, r1048576, r2097152, r4194304, r8388608, r16777216, r33554432, r67108864, r134217728, r268435456, r536870912, r1073741824, r2147483648, r4294967296}

WLANband ::= ENUMERATED {band2dot4, band5, …, band60}

WLANBandInformationList ::= SEQUENCE (SIZE (1..maxnoofBands)) OF ProtocolIE-SingleContainer { { WLANBandInformation-ItemIEs} }

WLANBandInformation-ItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-wLANBandInformation CRITICALITY ignore TYPE WLANBandInformation PRESENCE mandatory},

…

}

WLANBandInformation ::= CHOICE {

band WLANband,

channelnumber WLANchannelnumber,

…

}

WLANchannelnumber ::= INTEGER (0..255)

WLANOperatingClass ::= INTEGER (0..255)

WLANCountryCode ::= ENUMERATED {

unitedStates,

europe,

japan,

global,

…

}

WLANIdentifier-List ::= SEQUENCE (SIZE (1.. maxnoofWLANIdentifierItems)) OF ProtocolIE-SingleContainer { { WLANIdentifier-ItemIEs} }

WLANIdentifier-ItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-WLANIdentifier-Item CRITICALITY ignore TYPE WLANIdentifier-Item PRESENCE mandatory},

…

}

WLANIdentifier-Item ::= SEQUENCE {

wLANInformation WLANInformation,

iE-Extensions ProtocolExtensionContainer { { WLANIdentifier-Item-ExtIEs} } OPTIONAL,

…

}

WLANIdentifier-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

WLANIdentifiersToDelete-List ::= SEQUENCE (SIZE (1.. maxnoofWLANIdentifierItems)) OF ProtocolIE-SingleContainer { { WLANIdentifiersToDelete-ItemIEs} }

WLANIdentifiersToDelete-ItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-WLANIdentifiersToDelete-Item CRITICALITY ignore TYPE WLANIdentifiersToDelete-Item PRESENCE mandatory}

}

WLANIdentifiersToDelete-Item ::= SEQUENCE {

bSSID BSSID,

iE-Extensions ProtocolExtensionContainer { { WLANIdentifiersToDelete-Item-ExtIEs} } OPTIONAL,

…

}

WLANIdentifiersToDelete-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

WLANIdentifiersToDeleteExtension-List ::= SEQUENCE (SIZE (1.. maxnoofWLANIdentifierItems)) OF ProtocolIE-SingleContainer { { WLANIdentifiersToDeleteExtension-ItemIEs} }

WLANIdentifiersToDeleteExtension-ItemIEs XWAP-PROTOCOL-IES ::= {

{ ID id-WLANIdentifiersToDeleteExtension-Item CRITICALITY ignore TYPE WLANIdentifiersToDeleteExtension-Item PRESENCE mandatory}

}

WLANIdentifiersToDeleteExtension-Item ::= SEQUENCE {

sSID SSID OPTIONAL,

hESSID HESSID OPTIONAL,

iE-Extensions ProtocolExtensionContainer { { WLANIdentifiersToDeleteExtension-Item-ExtIEs} } OPTIONAL,

…

}

WLANIdentifiersToDeleteExtension-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

WLANInformation ::= SEQUENCE {

bSS-Item BSS-Item OPTIONAL,

sSID SSID OPTIONAL,

hESSID HESSID OPTIONAL,

iE-Extensions ProtocolExtensionContainer { { WLANInformation-ExtIEs} } OPTIONAL,

…

}

WLANInformation-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

{ ID id-WLANUsage CRITICALITY reject EXTENSION WLANUsage PRESENCE optional},

…

}

WLANSecurityInfo ::= SEQUENCE {

wT-Security-Key BIT STRING (SIZE(256)),

iE-Extensions ProtocolExtensionContainer { { WLANSecurityInfo-Item-ExtIEs} } OPTIONAL,

…

}

WLANSecurityInfo-Item-ExtIEs XWAP-PROTOCOL-EXTENSION ::= {

…

}

WLANUsage ::= ENUMERATED {

lWAandLWIP,

lWIPonly,

…

}

WT-MAC-Address ::= OCTET STRING (SIZE (6))

WTID ::= CHOICE {

wTID-Type1 WTID-Type1,

wTID-Type2 WTID-Long-Type2,

…

}

WTID-Type1 ::= SEQUENCE {

pLMN-Identity PLMN-Identity,

shortWTID BIT STRING (SIZE(24)),

…

}

WTID-Long-Type2 ::= BIT STRING (SIZE(48))

END

9.3.6 Common definitions

— **************************************************************

—

— Common definitions

—

— **************************************************************

XwAP-CommonDataTypes {

itu-t (0) identified-organization (4) etsi (0) mobileDomain (0)

eps-Access (21) modules (3) xwap (8) version1 (1) xwap-CommonDataTypes (3) }

DEFINITIONS AUTOMATIC TAGS ::=

BEGIN

— **************************************************************

—

— IE parameter types from other modules.

—

— **************************************************************

IMPORTS

maxPrivateIEs,

maxProtocolExtensions,

maxProtocolIEs

FROM XwAP-Constants;

— **************************************************************

—

— Common Data Types

—

— **************************************************************

Criticality ::= ENUMERATED { reject, ignore, notify }

Presence ::= ENUMERATED { optional, conditional, mandatory }

PrivateIE-ID ::= CHOICE {

local INTEGER (0.. maxPrivateIEs),

global OBJECT IDENTIFIER

}

ProcedureCode ::= INTEGER (0..255)

ProtocolExtensionID ::= INTEGER (0.. maxProtocolExtensions)

ProtocolIE-ID ::= INTEGER (0.. maxProtocolIEs)

TriggeringMessage ::= ENUMERATED { initiating-message, successful-outcome, unsuccessful-outcome }

END

9.3.7 Constant definitions

— **************************************************************

—

— Constant definitions

—

— **************************************************************

XwAP-Constants {

itu-t (0) identified-organization (4) etsi (0) mobileDomain (0)

eps-Access (21) modules (3) xwap (8) version1 (1) xwap-Constants (4) }

DEFINITIONS AUTOMATIC TAGS ::=

BEGIN

— **************************************************************

—

— IE parameter types from other modules.

—

— **************************************************************

IMPORTS

ProcedureCode,

ProtocolIE-ID

FROM XwAP-CommonDataTypes;

— **************************************************************

—

— Elementary Procedures

—

— **************************************************************

id-xwSetup ProcedureCode ::= 0

id-wTConfigurationUpdate ProcedureCode ::= 1

id-wTStatusReportingInitiation ProcedureCode ::= 2

id-wTStatusReporting ProcedureCode ::= 3

id-errorIndication ProcedureCode ::= 4

id-reset ProcedureCode ::= 5

id-wTAdditionPreparation ProcedureCode ::= 6

id-eNBInitiatedWTModification ProcedureCode ::= 7

id-wTInitiatedWTModification ProcedureCode ::= 8

id-eNBInitiatedWTRelease ProcedureCode ::= 9

id-wTInitiatedWTRelease ProcedureCode ::= 10

id-wTAssociationConfirmation ProcedureCode ::= 11

id-privateMessage ProcedureCode ::= 12

id-lWIPAdditionPreparation ProcedureCode ::= 13

id-eNBInitiatedLWIPModification ProcedureCode ::= 14

id-eNBInitiatedLWIPRelease ProcedureCode ::= 15

id-wTInitiatedLWIPRelease ProcedureCode ::= 16

— **************************************************************

—

— Extension constants

—

— **************************************************************

maxPrivateIEs INTEGER ::= 65535

maxProtocolExtensions INTEGER ::= 65535

maxProtocolIEs INTEGER ::= 65535

— **************************************************************

—

— Lists

—

— **************************************************************

maxnoofBands INTEGER ::= 256

maxnoofBearers INTEGER ::= 256

maxnoofBSSs INTEGER ::= 4096

maxnoofErrors INTEGER ::= 256

maxnoofFailedMeasObjects INTEGER ::= 32

maxnoofMobilitySetItems INTEGER ::= 1024

maxnoofWLANIdentifierItems INTEGER ::= 4096

maxnoofeNBNeighbours INTEGER ::= 256

— **************************************************************

—

— IEs

—

— **************************************************************

id-BSSMeasurementResult-Item ProtocolIE-ID ::= 0

id-BSSMeasurementResult-List ProtocolIE-ID ::= 1

id-BSSToReport-Item ProtocolIE-ID ::= 2

id-BSSToReport-List ProtocolIE-ID ::= 3

id-Cause ProtocolIE-ID ::= 4

id-CompleteFailureCauseInformation-Item ProtocolIE-ID ::= 5

id-CompleteFailureCauseInformation-List ProtocolIE-ID ::= 6

id-CriticalityDiagnostics ProtocolIE-ID ::= 7

id-ENB-Measurement-ID ProtocolIE-ID ::= 8

id-Global-ENB-ID ProtocolIE-ID ::= 9

id-MeasurementFailureCause-Item ProtocolIE-ID ::= 10

id-MeasurementInitiationResult-Item ProtocolIE-ID ::= 11

id-MeasurementInitiationResult-List ProtocolIE-ID ::= 12

id-PartialSuccessIndicator ProtocolIE-ID ::= 13

id-Registration-Request ProtocolIE-ID ::= 14

id-ReportCharacteristics ProtocolIE-ID ::= 15

id-ReportingPeriodicity ProtocolIE-ID ::= 16

id-WLANIdentifier-Item ProtocolIE-ID ::= 17

id-WLANIdentifier-List ProtocolIE-ID ::= 18

id-WLANIdentifiersToAdd-List ProtocolIE-ID ::= 19

id-WLANIdentifiersToDelete-Item ProtocolIE-ID ::= 20

id-WLANIdentifiersToDelete-List ProtocolIE-ID ::= 21

id-WLANIdentifiersToModify-List ProtocolIE-ID ::= 22

id-WTID ProtocolIE-ID ::= 23

id-WT-Measurement-ID ProtocolIE-ID ::= 24

id-ENB-UE-XwAP-ID ProtocolIE-ID ::= 25

id-WT-UE-XwAP-ID ProtocolIE-ID ::= 26

id-BSS-Item ProtocolIE-ID ::= 27

id-E-RABs-ToBeAdded-List ProtocolIE-ID ::= 28

id-E-RABs-ToBeAdded-Item ProtocolIE-ID ::= 29

id-UE-Identity ProtocolIE-ID ::= 30

id-WLANSecurityInfo ProtocolIE-ID ::= 31

id-E-RABs-Admitted-ToBeAdded-List ProtocolIE-ID ::= 32

id-E-RABs-Admitted-ToBeAdded-Item ProtocolIE-ID ::= 33

id-E-RABs-NotAdmitted-List ProtocolIE-ID ::= 34

id-E-RAB-Item ProtocolIE-ID ::= 35

id-UE-ContextInformationWTModReq ProtocolIE-ID ::= 36

id-E-RABs-ToBeAdded-ModReqItem ProtocolIE-ID ::= 37

id-E-RABs-ToBeModified-ModReqItem ProtocolIE-ID ::= 38

id-E-RABs-ToBeReleased-ModReqItem ProtocolIE-ID ::= 39

id-E-RABs-Admitted-ToBeAdded-ModAckList ProtocolIE-ID ::= 40

id-E-RABs-Admitted-ToBeAdded-ModAckItem ProtocolIE-ID ::= 41

id-E-RABs-Admitted-ToBeModified-ModAckList ProtocolIE-ID ::= 42

id-E-RABs-Admitted-ToBeModified-ModAckItem ProtocolIE-ID ::= 43

id-E-RABs-Admitted-ToBeReleased-ModAckList ProtocolIE-ID ::= 44

id-E-RABs-Admitted-ToBeReleased-ModAckItem ProtocolIE-ID ::= 45

id-E-RABs-ToBeReleased-ModReqdList ProtocolIE-ID ::= 46

id-E-RABs-ToBeReleased-ModReqdItem ProtocolIE-ID ::= 47

id-E-RABs-ToBeReleased-List-RelReq ProtocolIE-ID ::= 48

id-E-RABs-ToBeReleased-RelReqItem ProtocolIE-ID ::= 49

id-E-RABs-ToBeReleased-List-RelConf ProtocolIE-ID ::= 50

id-E-RABs-ToBeReleased-RelConfItem ProtocolIE-ID ::= 51

id-E-RABs-Confirmed-ToBeReleased-ModReqdList ProtocolIE-ID ::= 52

id-E-RABs-Confirmed-ToBeReleased-ModReqdItem ProtocolIE-ID ::= 53

id-MobilitySet ProtocolIE-ID ::= 54

id-ServingPLMN ProtocolIE-ID ::= 55

id-E-RABs-ToBeModified-ModReqdList ProtocolIE-ID ::= 56

id-E-RABs-ToBeModified-ModReqdItem ProtocolIE-ID ::= 57

id-E-RABs-Confirmed-ToBeModified-ModReqdList ProtocolIE-ID ::= 58

id-E-RABs-Confirmed-ToBeModified-ModReqdItem ProtocolIE-ID ::= 59

id-wLANBandInformation ProtocolIE-ID ::= 60

id-WLANIdentifiersToDeleteExtension-Item ProtocolIE-ID ::= 61

id-WLANIdentifiersToDeleteExtension-List ProtocolIE-ID ::= 62

id-TimeToWait ProtocolIE-ID ::= 63

id-UE-ContextKeptIndicator ProtocolIE-ID ::= 64

id-DRB-Identity ProtocolIE-ID ::= 65

id-LWA-WLAN-AC ProtocolIE-ID ::= 66

id-eNBNeighbour-List ProtocolIE-ID ::= 67

id-eNBNeighbour-Item ProtocolIE-ID ::= 68

id-LWIP-SeGWSecurityInfo ProtocolIE-ID ::= 69

id-eNBGTPtunnelEndpoint ProtocolIE-ID ::= 70

id-LWIP-SeGWGTPtunnelEndpoint ProtocolIE-ID ::= 71

id-WLANUsage ProtocolIE-ID ::= 72

id-WT-MAC-Address ProtocolIE-ID ::= 73

END

9.3.8 Container definitions

— **************************************************************

—

— Container definitions

—

— **************************************************************

XwAP-Containers {

itu-t (0) identified-organization (4) etsi (0) mobileDomain (0)

eps-Access (21) modules (3) xwap (8) version1 (1) xwap-Containers (5) }

DEFINITIONS AUTOMATIC TAGS ::=

BEGIN

— **************************************************************

—

— IE parameter types from other modules.

—

— **************************************************************

IMPORTS

Criticality,

Presence,

PrivateIE-ID,

ProtocolExtensionID,

ProtocolIE-ID

FROM XwAP-CommonDataTypes

maxPrivateIEs,

maxProtocolExtensions,

maxProtocolIEs

FROM XwAP-Constants;

— **************************************************************

—

— Class Definition for Protocol IEs

—

— **************************************************************

XWAP-PROTOCOL-IES ::= CLASS {

&id ProtocolIE-ID UNIQUE,

&criticality Criticality,

&Value,

&presence Presence

}

WITH SYNTAX {

ID &id

CRITICALITY &criticality

TYPE &Value

PRESENCE &presence

}

— **************************************************************

—

— Class Definition for Protocol IEs

—

— **************************************************************

XWAP-PROTOCOL-IES-PAIR ::= CLASS {

&id ProtocolIE-ID UNIQUE,

&firstCriticality Criticality,

&FirstValue,

&secondCriticality Criticality,

&SecondValue,

&presence Presence

}

WITH SYNTAX {

ID &id

FIRST CRITICALITY &firstCriticality

FIRST TYPE &FirstValue

SECOND CRITICALITY &secondCriticality

SECOND TYPE &SecondValue

PRESENCE &presence

}

— **************************************************************

—

— Class Definition for Protocol Extensions

—

— **************************************************************

XWAP-PROTOCOL-EXTENSION ::= CLASS {

&id ProtocolExtensionID UNIQUE,

&criticality Criticality,

&Extension,

&presence Presence

}

WITH SYNTAX {

ID &id

CRITICALITY &criticality

EXTENSION &Extension

PRESENCE &presence

}

— **************************************************************

—

— Class Definition for Private IEs

—

— **************************************************************

XWAP-PRIVATE-IES ::= CLASS {

&id PrivateIE-ID,

&criticality Criticality,

&Value,

&presence Presence

}

WITH SYNTAX {

ID &id

CRITICALITY &criticality

TYPE &Value

PRESENCE &presence

}

— **************************************************************

—

— Container for Protocol IEs

—

— **************************************************************

ProtocolIE-Container { XWAP-PROTOCOL-IES : IEsSetParam} ::=

SEQUENCE (SIZE (0..maxProtocolIEs)) OF

ProtocolIE-Field {{IEsSetParam}}

ProtocolIE-SingleContainer { XWAP-PROTOCOL-IES : IEsSetParam} ::=

ProtocolIE-Field {{IEsSetParam}}

ProtocolIE-Field { XWAP-PROTOCOL-IES : IEsSetParam} ::= SEQUENCE {

id XWAP-PROTOCOL-IES.&id ({IEsSetParam}),

criticality XWAP-PROTOCOL-IES.&criticality ({IEsSetParam}{@id}),

value XWAP-PROTOCOL-IES.&Value ({IEsSetParam}{@id})

}

— **************************************************************

—

— Container for Protocol IE Pairs

—

— **************************************************************

ProtocolIE-ContainerPair { XWAP-PROTOCOL-IES-PAIR : IEsSetParam} ::=

SEQUENCE (SIZE (0..maxProtocolIEs)) OF

ProtocolIE-FieldPair {{IEsSetParam}}

ProtocolIE-FieldPair { XWAP-PROTOCOL-IES-PAIR : IEsSetParam} ::= SEQUENCE {

id XWAP-PROTOCOL-IES-PAIR.&id ({IEsSetParam}),

firstCriticality XWAP-PROTOCOL-IES-PAIR.&firstCriticality ({IEsSetParam}{@id}),

firstValue XWAP-PROTOCOL-IES-PAIR.&FirstValue ({IEsSetParam}{@id}),

secondCriticality XWAP-PROTOCOL-IES-PAIR.&secondCriticality ({IEsSetParam}{@id}),

secondValue XWAP-PROTOCOL-IES-PAIR.&SecondValue ({IEsSetParam}{@id})

}

— **************************************************************

—

— Container Lists for Protocol IE Containers

—

— **************************************************************

ProtocolIE-ContainerList {INTEGER : lowerBound, INTEGER : upperBound, XWAP-PROTOCOL-IES : IEsSetParam} ::=

SEQUENCE (SIZE (lowerBound..upperBound)) OF

ProtocolIE-SingleContainer {{IEsSetParam}}

ProtocolIE-ContainerPairList {INTEGER : lowerBound, INTEGER : upperBound, XWAP-PROTOCOL-IES-PAIR : IEsSetParam} ::=

SEQUENCE (SIZE (lowerBound..upperBound)) OF

ProtocolIE-ContainerPair {{IEsSetParam}}

— **************************************************************

—

— Container for Protocol Extensions

—

— **************************************************************

ProtocolExtensionContainer { XWAP-PROTOCOL-EXTENSION : ExtensionSetParam} ::=

SEQUENCE (SIZE (1..maxProtocolExtensions)) OF

ProtocolExtensionField {{ExtensionSetParam}}

ProtocolExtensionField { XWAP-PROTOCOL-EXTENSION : ExtensionSetParam} ::= SEQUENCE {

id XWAP-PROTOCOL-EXTENSION.&id ({ExtensionSetParam}),

criticality XWAP-PROTOCOL-EXTENSION.&criticality ({ExtensionSetParam}{@id}),

extensionValue XWAP-PROTOCOL-EXTENSION.&Extension ({ExtensionSetParam}{@id})

}

— **************************************************************

—

— Container for Private IEs

—

— **************************************************************

PrivateIE-Container { XWAP-PRIVATE-IES : IEsSetParam } ::=

SEQUENCE (SIZE (1.. maxPrivateIEs)) OF

PrivateIE-Field {{IEsSetParam}}

PrivateIE-Field { XWAP-PRIVATE-IES : IEsSetParam} ::= SEQUENCE {

id XWAP-PRIVATE-IES.&id ({IEsSetParam}),

criticality XWAP-PRIVATE-IES.&criticality ({IEsSetParam}{@id}),

value XWAP-PRIVATE-IES.&Value ({IEsSetParam}{@id})

}

END

9.4 Message transfer syntax

XwAP shall use the ASN.1 Basic Packed Encoding Rules (BASIC-PER) Aligned Variant as transfer syntax, as specified in ITU-T Rec. X.691 [5].