Patent ID: 11871339
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. A first node, the first node comprising:
memory;
processing circuitry coupled to the memory, wherein the first node is configured to:
subscribe to an event for one or more user equipments (UEs) at a Policy and Control Function (PC), wherein subscribing to the event comprises sending to the PCF an HTTP POST request message comprising a request uniform resource identifier (URI) and a request body comprising an event exposure subscription data structure comprising: (i) an event subscription attribute identifying a policy event, (ii) a URI attribute specifying a notification URI where to receive the requested notifications, (iii) a notification identifier (ID) attribute specifying a correlation ID assigned by the first node, and (iv) at least one of a network name filter attribute comprising one or more data network names (DNNs) or a single network slice selection assistance information (S-NSSAI) attribute comprising one or more S-NSSAIs; and
a receiver for receiving a notification about the event that comprises said notification URI and further comprises an event exposure notification data structure that comprises: (i) the correlation ID, (ii) an event notifications attribute comprising information about the event, and (iii) a PDU session attribute comprising information about a PDU session involved in the reported event and at least one of an S-NSSAI attribute identifying the S-NSSAI of the PDU session or a DNN attribute identifying the DNN of the PDU session.