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

Claim 17:
18. A Policy and Control Function (PCF), the PCF comprising:
memory;
a transmitter;
a receiver for receiving a subscription to an event for one or more user equipments (UEs), wherein the subscription to the event was transmitted by a first node and the subscription to the event comprises 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
processing circuitry coupled to the memory, wherein the PCF is configured to:
transmit toward the first node a notification about the event, wherein the notification is an HTTP POST request 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.