US 11,871,339 B2
Filters for bulk subscriptions
Fuencisla Garcia Azorero, Madrid (ES); Ignacio Rivas Molina, Madrid (ES); and Susana Fernandez Alonso, Madrid (ES)
Assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm (SE)
Appl. No. 17/290,069
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Aug. 29, 2019, PCT No. PCT/IB2019/057300
§ 371(c)(1), (2) Date Apr. 29, 2021,
PCT Pub. No. WO2020/089707, PCT Pub. Date May 7, 2020.
Claims priority of application No. 18382786 (EP), filed on Nov. 2, 2018.
Prior Publication US 2022/0272619 A1, Aug. 25, 2022
Int. Cl. H04W 48/18 (2009.01); H04W 4/029 (2018.01); H04L 67/02 (2022.01); H04W 8/18 (2009.01); H04W 68/00 (2009.01)
CPC H04W 48/18 (2013.01) [H04L 67/02 (2013.01); H04W 4/029 (2018.02); H04W 8/183 (2013.01); H04W 8/186 (2013.01); H04W 68/005 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A method, performed by a first node, the method comprising:
the first node subscribing to an event for one or more user equipments (UEs) at a Policy and Control Function (PCF), 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
the first node receiving a notification about the event, wherein the notification was transmitted by the PCF and 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.