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9.3.23.2 Procedure of LM Server identifying the UEs sharing the same location
Figure 9.3.23.2-1 describes the procedure on how the location management server identifies the UEs that are sharing the same location. Pre-condition: - The VAL UE1 and VAL UE2 are associated and may belong to the same user or different users. - The location management client 1(in VAL UE1) and location management cli...
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9.3.23.3 Location reuse request
Figure 9.3.23.3-1 illustrates the procedure of client-triggered enable location reuse request. Pre-condition: 1. All UEs in the association are registered to share the location. 2. UE has configured other UEs in the association to receive offline location reports as specified in clause 9.5.3. 3. The VAL UE1 and VAL...
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9.3.24 Support for sidelink positioning / ranging management
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9.3.24.1 Procedure of SL positioning /ranging management service
The procedure provides a mechanism for configuring and provisioning information on the entities to be used and their responsibilities for a SL positioning / ranging service. In this procedure, an SL positioning enabler capability at LMS is authorized / delegated by SL positioning server to support the provisioning/deli...
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9.3.25 Short-Range based positioning information
Figure 9.3.25-1 describes a procedure to expose Short-Range based positioning information to third parties. Pre-condition: 1. Target and reference UEs are configured and provisioned for SL positioning management service as described in clause 9.3.24. Figure 9.3.25-1: Short-Range based positioning information proc...
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9.3.26 Verify UE location procedure
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9.3.26.1 General
Verify UE location could be used by multiple applications that need confirmed location to provide their service. The UE application logic would first confirm customer location before accepting customer requests for service in a specific location. This procedure provides the VAL server application with subscription fo...
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9.3.26.2 Confirm location service subscription
The application is running on a VAL server. The application would like to use confirm location service and subscribes to LMS for it using the following procedure: Figure 9.3.26.2-1: Procedure of confirm location service subscription 1. The VAL server subscribes to LMS by sending Confirm location service subscriptio...
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9.3.26.3 Confirm location verification
The location management client (LMC)/application in the UE gets its location from non-3GPP positioning. The application in the UE wants to check if this is really the correct location. Pre-conditions: 1. The LMC is authorized to discover the related LMS; 2. LMS is authorized to use Nnef Event Exposure API, based on ...
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9.4 SEAL APIs for location management
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9.4.1 General
Table 9.4.1-1 illustrates the SEAL APIs for location management. Table 9.4.1-1: List of SEAL APIs for location management API Name API Operations Known Consumer(s) Communication Type SS_LocationReporting Create_Trigger_Location_Reporting VAL server Subscribe/Notify Update_Trigger_Location_Reporting VAL ser...
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9.4.2 SS_LocationReporting API
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9.4.2.1 General
API description: This API enables the VAL server to trigger reporting of location information to the location management server over LM-S.
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9.4.2.2 Create_Trigger_Location_Reporting operation
API operation name: Create_Trigger_Location_Reporting Description: Creates the trigger to report location information. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.4 Outputs: Refer subclause 9.3.2.4 See subclause 9.3.5 for the details of usage of this API operation.
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9.4.2.3 Update_Trigger_Location_Reporting operation
API operation name: Update_Trigger_Location_Reporting Description: Updates the trigger to report location information. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.4 Outputs: Refer subclause 9.3.2.4 See subclause 9.3.5 for the details of usage of this API operation.
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9.4.2.4 Cancel_Trigger_Location_Reporting operation
API operation name: Cancel_Trigger_Location_Reporting Description: Cancels the trigger to report location information. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.8 Outputs: Refer subclause 9.3.2.25 See subclause 9.3.6 for the details of usage of this API operation.
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9.4.2.5 Notify_Trigger_Location_Reporting operation
API operation name: Notify_Trigger_Location_Reporting Description: Notification for location report based on the location trigger. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.7 Outputs: None See subclause 9.3.5 for the details of usage of this API operation.
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9.4.2.6 Notify_Adaptive_Configuration operation
API operation name: Notify_Adaptive_Configuration Description: Provisioning of the adaptive location configuration. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.47 Outputs: Refer subclause 9.3.2.48 See subclause 9.3.20 for the details of usage of this API operation.
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9.4.3 SS_LocationInfoEvent API
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9.4.3.1 General
API description: This API enables the VAL server to subscribe, receive and unsubscribe the UEs location information from the location management server over LM-S, as well as modify an active subscription.
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9.4.3.2 Subscribe_Location_Info operation
API operation name: Subscribe_Location_Info Description: Subscription to the location information. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.5 Outputs: Refer subclause 9.3.2.6 See subclause 9.3.7 for the details of usage of this API operation.
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9.4.3.3 Notify_Location_Info operation
API operation name: Notify_Location_Info Description: Location information notification to the existing subscription. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.7 Outputs: Refer subclause 9.3.2.7 See subclause 9.3.8 for the details of usage of this API operation.
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9.4.3.4 Unsubscribe_Location_Info operation
API operation name: Unsubscribe_Location_Info Description: Unsubscribe to the location information. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.32 Outputs: Refer subclause 9.3.2.33 See subclause 9.3.16 for the details of usage of this API operation.
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9.4.3.5 Update_Location_Info_Subscription
API operation name: Update_Location_Info_Subscription Description: Updating an active subscription about the UEs location information. Known Consumers: VAL server. Inputs: See subclause 9.3.2.5 Outputs: See subclause 9.3.2.6 See subclause 9.3.7a for the details of usage of this API operation.
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9.4.4 SS_LocationInfoRetrieval API
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9.4.4.1 General
API description: This API enables the VAL server to obtain UEs location information from the location management server over LM-S.
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9.4.4.2 Obtain_Location_Info operation
API operation name: Obtain_Location_Info Description: Request UEs location information. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.3 Outputs: Refer subclause 9.3.2.2 See subclause 9.3.9 for the details of usage of this API operation.
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9.4.5 SS_LocationAreaInfoRetrieval API
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9.4.5.1 General
API description: This API enables the VAL server to obtain UE(s) information in an application defined proximity range of a location from the location management server over LM-S.
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9.4.5.2 Obtain_UEs_Info operation
API operation name: Obtain_UEs_Info Description: Request UEs information in an application defined proximity range of a location. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.9 Outputs: Refer subclause 9.3.2.10 See subclause 9.3.10 for the details of usage of this API operation.
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9.4.6 SS_LocationMonitoring API
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9.4.6.1 General
API description: This API enables the VAL server to monitor the VAL UE's location in a given area of interest, from the location management server over LM-S.
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9.4.6.2 Subscribe_Location_Monitoring operation
API operation name: Subscribe_Location_Monitoring Description: Subscription to location monitoring. Known Consumers: VAL server. Inputs: See subclause 9.3.2.11 Outputs: 9.3.2.12. See subclause 9.3.11.2 for the details of usage of this API operation.
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9.4.6.3 Notify_Location_Monitoring_Events operation
API operation name: Notify_Location_Monitoring_Events Description: Notifying the VAL server with the location monitoring events related to VAL UE. Known Consumers: VAL server. Inputs: See subclause 9.3.2.13 Outputs: None. See subclause 9.3.11.2 for the details of usage of this API operation.
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9.4.6.4 Unsubscribe_Location_ Monitoring operation
API operation name: Unsubscribe_Location_Monitoring Description: Unsubscribe to the location Monitoring request. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.34 Outputs: Refer subclause 9.3.2.35 See subclause 9.3.17 for the details of usage of this API operation.
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9.4.6.5 Update_Location_Monitoring_Subscription
API operation name: Update_Location_Monitoring_Subscription Description: Updating an active monitor location subscription. Known Consumers: VAL server. Inputs: See subclause 9.3.2.11 Outputs: See subclause 9.3.2.12 See subclause 9.3.2.12a for the details of usage of this API operation.
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9.4.7 SS_LocationAreaMonitoring API
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9.4.7.1 General
API description: This API enables the VAL server to monitor the list of UEs moving in or moving out of the specific location area.
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9.4.7.2 Subscribe_Location_Area_Monitoring
API operation name: Subscribe_Location_Area_Monitoring Description: Subscription to location area monitoring. Known Consumers: VAL server. Inputs: See subclause 9.3.2.14 Outputs: 9.3.2.15. See subclause 9.3.12.1 for the details of usage of this API operation.
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9.4.7.3 Notify_Location_Area_Monitoring_Events
API operation name: Notify_Location_Area_Monitoring_Events Description: Notifying the VAL server with the list of UEs moved in or moved out of the specific location area. Known Consumers: VAL server. Inputs: See subclause 9.3.2.16 Outputs: None. See subclause 9.3.12.4 for the details of usage of this API operation...
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9.4.7.4 Update_Location_Area_Monitoring_Subscribe
API operation name: Update_Location_Area_Monitoring_Subscribe Description: Updates subscription to location area monitoring. Known Consumers: VAL server. Inputs: See subclause 9.3.2.17 Outputs: See subclause 9.3.2.18 See subclause 9.3.12.2 for the details of usage of this API operation.
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9.4.7.5 Unsubscribe_Location_Area_Monitoring
API operation name: Unsubscribe_Location_Area_Monitoring Description: Unsubscribing from location area monitoring. Known Consumers: VAL server. Inputs: See subclause 9.3.2.19 Outputs: See subclause 9.3.2.20 See subclause 9.3.12.3 for the details of usage of this API operation.
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9.4.8 SS_VALServiceAreaConfiguration API
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9.4.8.1 General
API description: This API enables the VAL server to configure the list of VAL service area identifiers and the corresponding geographical co-ordinates with SEAL location management server.
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9.4.8.2 Configure_VAL_Service_Area
API operation name: Configure_VAL_Service_Area Description: Configuration of VAL service area identifiers. Known Consumers: VAL server. Inputs: See subclause 9.3.2.21 Outputs: See subclause 9.3.2.22. See subclause 9.3.13.2 for the details of usage of this API operation.
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9.4.8.3 Obtain_VAL_Service_Area
API operation name: Obtain_VAL_Service_Area Description: Retrieval of VAL service area identifiers. Known Consumers: VAL server. Inputs: See subclause 9.3.2.26 Outputs: See subclause 9.3.2.27 See subclause 9.3.13.3 for the details of usage of this API operation.
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9.4.8.4 Update_VAL_Service_Area
API operation name: Update_VAL_Service_Area Description: Update of the VAL service area identifier. Known Consumers: VAL server. Inputs: See subclause 9.3.2.28 Outputs: See subclause 9.3.2.29 See subclause 9.3.13.4 for the details of usage of this API operation.
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9.4.8.5 Delete_VAL_Service_Area
API operation name: Delete_VAL_Service_Area Description: Delete VAL service area identifier. Known Consumers: VAL server. Inputs: See subclause 9.3.2.30 Outputs: See subclause 9.3.2.31 See subclause 9.3.13.5 for the details of usage of this API operation.
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9.4.8.6 Subscribe_VAL_Service_Area_Change_Event
API operation name: Subscribe_VAL_Service_Area_Change_Event Description: Subscription to the VAL service area identifiers change events. Known Consumers: SEAL server. Inputs: See subclause 9.3.2.42 Outputs: See subclause 9.3.2.43. See subclause 9.3.13.6 for the details of usage of this API operation.
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9.4.8.7 Notify_VAL_Service_Area_Change_Event
API operation name: Notify_VAL_Service_Area_Change_Event Description: Notifying the SEAL server about the VAL service area identifier change events. Known Consumers: SEAL server. Inputs: See subclause 9.3.2.44 Outputs: None. See subclause 9.3.13.7 for the details of usage of this API operation.
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9.4.8.8 Unsubscribe_VAL_Service_Area_Change_Event
API operation name: Unsubscribe_VAL_Service_Area_Change_Event Description: Unsubscribing from VAL service area identifier change events. Known Consumers: SEAL server. Inputs: See subclause 9.3.2.21 Outputs: See subclause 9.3.2.22. See subclause 9.3.13.8 for the details of usage of this API operation.
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9.4.8.9 Update_Subscription_VAL_Service_Area_Change_Event
API operation name: Update_Subscription_VAL_Service_Area_Change_Event Description: Subscription update for the VAL service area identifiers change events. Known Consumers: SEAL server. Inputs: See subclause 9.3.2.42. Outputs: See subclause 9.3.2.43. See subclause 9.3.13.9 for the details of usage of this API opera...
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9.4.9 SS_LocationHistoryInfoEvent API
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9.4.9.1 General
API description: This API enables the VAL server to configure a list of location tracing parameters to the SEAL LM server and obtain the UE history location information over LM-S.
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9.4.9.2 Create_Location_Tracing_Configuration operation
API operation name: Create_Location_Tracing_Configuration Description: Creates the location tracing configuration. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.49 Outputs: Refer subclause 9.3.2.50 See subclause 9.3.21.1 for the details of usage of this API operation.
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9.4.9.3 Update_Location_Tracing_Configuration operation
API operation name: Update_Location_Tracing_Configuration Description: Updates the location tracing configuration. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.49 Outputs: Refer subclause 9.3.2.50 See subclause 9.3.21.1 for the details of usage of this API operation.
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9.4.9.4 Cancel_Location_Tracing_Configuration operation
API operation name: Cancel_Location_Tracing_Configuration Description: Cancels the location tracing configuration. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.53 Outputs: Refer subclause 9.3.2.54 See subclause 9.3.21.3 for the details of usage of this API operation.
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9.4.9.5 Obtain_history_Location_Info operation
API operation name: Obtain_history_Location_Info Description: Request UEs history location information. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.51 Outputs: Refer subclause 9.3.2.52 See subclause 9.3.21.2 for the details of usage of this API operation.
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9.4.10 SS_SLPositioningManagement API
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9.4.10.1 General
API description: This API enables the VAL server to subscribe to SEAL LMS for configuring VAL UEs for a SL positioning / ranging service.
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9.4.10.2 Subscribe_ SLPositioningManagement
API operation name: Subscribe_ SL_Positioning_Management Description: Subscription to SL positioning management. Known Consumers: VAL server. Inputs: See subclause 9.3.2.61 Outputs: See subclause 9.3.2.62. See subclause 9.3.24.1 for the details of usage of this API operation.
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9.4.10.3 Notify_SLPositioningManagement
API operation name: Notify_ SL_Positioning_Management Description: Notifying the VAL server about the success or failure of the SL positioning service configuration. Known Consumers: VAL server. Inputs: See subclause 9.3.2.63 Outputs: None. See subclause 9.3.24.1 for the details of usage of this API operation.
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9.4.11 SS_ SRPositioningInformation API
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9.4.11.1 General
API description: This API enables a VAL server to obtain Short-range based positioning information from a location management server over LM-S.
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9.4.11.2 SR_Positioning_Information operation
API operation name: SR_Positioning_Information Description: Request Short-range based positioning information for a target UE. Known Consumers: VAL server. Inputs: Refer subclause 9.3.2.65 Outputs: Refer subclause 9.3.2.66 See subclause 9.3.25 for the details of usage of this API operation.
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9.4.12 SS_ConfirmLocation API
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9.4.12.1 General
API description: This API enables the VAL server to subscribe for Confirm Location Service.
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9.4.12.2 Void
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9.4.12.3 Confirm Location Service Subscription
API operation name: ConfirmLocationServiceSubscription Description: Subscription for the Confirm Location Service. Known Consumers: VAL server. Inputs: See subclause 9.3.2.73 Outputs: See subclause 9.3.2.74 See subclause 9.3.26.2 for the details of usage of this API operation.
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9.4.12.4 Notify Confirm Location Service
API operation name: Notify_ConfirmLocationService Description: Notification about the usage of the Confirm Location Service. Known Consumers: VAL server. Inputs: See subclause 9.3.2.77 Outputs: None See subclause 9.3.26.3 for the details of usage of this API operation.
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9.5 Procedures and information flows for location management (Off-network)
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9.5.1 General
Location information of VAL service user shall be provided by the location management client of one UE to the location management client of another UE. The location information reporting triggers are based on the location reporting configuration. Different type of location information can be provided e.g. retrieved fro...
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9.5.2 Information flows for off network location management
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9.5.2.1 Off-network location reporting trigger configuration
Table 9.5.2.1-1 describes the information flow from the location management client-1 to the location management client-2 for the off-network location reporting configuration. Table 9.5.2.1-1: Off-network location reporting trigger configuration Information element Status Description Identity M Identity of the VA...
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9.5.2.2 Off-network location reporting trigger configuration response
Table 9.5.2.2-1 describes the information flow from the location management client-2 to the location management client-1 for the off-network location reporting configuration response. The Off-network location reporting trigger configuration response acts as an acknowledgement to the location management client-1. Table...
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9.5.2.3 Off-network location management ack
The Off-network location management ack message is sent from the message receiver location management client-2 to message originator location management client-1.
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9.5.2.4 Off-network location report
Table 9.5.2.4-1 describes the information flow from the location management client-2 to the location management client-1 for the off-network location report. Table 9.5.2.4-1: Off-network location report Information element Status Description Triggering event M Identity of the event that triggered the sending of ...
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9.5.2.5 Off-network location reporting trigger cancel
Table 9.5.2.5-1 describes the information flow from the location management client-1 to the location management client-2 for the off-network location reporting trigger cancel. Table 9.5.2.5-1: Off-network location reporting trigger cancels Information element Status Description Identity M Identity of the VAL use...
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9.5.2.6 Off-network location reporting trigger cancel response
Table 9.5.2.6-1 describes the information flow from the location management client-2 to the location management client-1 for the off-network location reporting cancel response. The Off-network location reporting trigger cancel response acts as an acknowledgement to the location management client-1. Table 9.5.2.6-1: Of...
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9.5.2.7 Off-network location request
Table 9.5.2.7-1 describes the information flow from the location management client-1 to the location management client-2 for the off-network location request. Table 9.5.2.7-1: Off-network location request Information element Status Description Identity M Identity of the VAL user to which the location request is ...
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9.5.2.8 Off-network location response
Table 9.5.2.8-1 describes the information flow from the location management client-2 to the location management client-1 for the off-network location response. The Off-network location response acts as an acknowledgement to the location management client-1. Table 9.5.2.8-1: Off-network location response Information e...
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9.5.3 Event-triggered location reporting procedure
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9.5.3.1 Location reporting trigger configuration
Figure 9.5.3.1-1 illustrates the procedure for configuring location reporting triggers from the location management client-1 residing in UE-1 to the location management client-2 residing in UE-2. Pre-condition: - The UE-1 and UE-2 are within PC5 communication range of each other, and aware of Layer-2 ID of each other...
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9.5.3.2 Location reporting
Figure 9.5.3.2-1 illustrates the procedure for sending off-network location report from the location management client-2 residing in UE-2 to the location management client-1 residing in UE-1. Pre-condition: - The UE-1 and UE-2 are within PC5 communication range of each other, and aware of Layer-2 ID of each other. -...
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9.5.3.3 Location reporting trigger cancel
Figure 9.5.3.3-1 illustrates the procedure for sending off-network location reporting trigger cancel from the location management client-1 residing in UE-1 to the location management client-2 residing in UE-2. Pre-condition: - The UE-1 and UE-2 are within PC5 communication range of each other, and aware of Layer-2 ID...
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9.5.4 On-demand location reporting procedure
Figure 9.5.4-1 illustrates the procedure for on-demand location report from the location management client-1 residing in UE-1 to the location management client-2 residing in UE-2. Pre-condition: - The UE-1 and UE-2 are within PC5 communication range of each other, and aware of Layer-2 ID of each other. - The VAL ser...
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10 Group management
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10.1 General
The group management is a SEAL service that offers the group management related capabilities to one or more vertical applications.
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10.2 Functional model for group management
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10.2.1 General
The functional model for the group management is based on the generic functional model specified in clause 6. It is organized into functional entities to describe a functional architecture which addresses the support for group management aspects for vertical applications. The on-network and off-network functional model...
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10.2.2 On-network functional model description
Figure 10.2.2-1 illustrates the generic on-network functional model for group management. Figure 10.2.2-1: On-network functional model for group management The group management client communicates with the group management server over the GM-UU reference point. The group management client provides the support for g...
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10.2.3 Off-network functional model description
Figure 10.2.3-1 illustrates the off-network functional model for group management. Figure 10.2.3-1: Off-network functional model for group management The group management client of the UE1 communicates with the group management client of the UE2 over the GM‑PC5 reference point.
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10.2.4 Functional entities description
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10.2.4.1 General
The functional entities for group management SEAL service are described in the following subclauses.
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10.2.4.2 Group management client
The group management client functional entity acts as the application client for management of groups. A VAL system maintains groups corresponding to one or more vertical applications. The group management client interacts with the group management server. The group management client also supports interactions with the...
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10.2.4.3 Group management server
The group management server functional entity provides for management of groups supported within the vertical application layer. The group management server acts as CAPIF's API exposing function as specified in 3GPP TS 23.222 [8]. The group management server also supports interactions with the corresponding group manag...
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10.2.5 Reference points description
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10.2.5.1 General
The reference points for the functional model for group management are described in the following subclauses.
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10.2.5.2 GM-UU
The interactions related to group management functions between the group management client and the group management server are supported by GM-UU reference point. This reference point utilizes Uu reference point as described in 3GPP TS 23.401 [9] and 3GPP TS 23.501 [10]. GM-UU reference point is used for VAL service s...
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10.2.5.3 GM-PC5
The interactions related to group management functions between the group management clients located in different VAL UEs are supported by GM-PC5 reference point. This reference point utilizes PC5 reference point as described in 3GPP TS 23.303 [12].