US 12,490,077 B2
Status event handling associated with a session management function (SMF) node
Qian Chen, Mölndal (SE); Yunjie Lu, Shanghai (CN); and Juying Gan, Shanghai (CN)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 18/259,142
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Jan. 21, 2022, PCT No. PCT/IB2022/050556
§ 371(c)(1), (2) Date Jun. 23, 2023,
PCT Pub. No. WO2022/157716, PCT Pub. Date Jul. 28, 2022.
Claims priority of application No. PCT/CN2021/073112 (WO), filed on Jan. 21, 2021.
Prior Publication US 2024/0080655 A1, Mar. 7, 2024
Int. Cl. H04W 8/18 (2009.01); H04W 48/12 (2009.01)
CPC H04W 8/18 (2013.01) [H04W 48/12 (2013.01)] 9 Claims
OG exemplary drawing
 
7. A method implemented by a session management function, SMF, node behaving as an Intermediate SMF for a packet data unit, PDU, session, the method comprising:
receiving, from a second SMF node, a subscription request associated to a Downlink Data Delivery, DDD, status event, the subscription request including packet detection rule, PDR, information or a Traffic Descriptor indicating a source of one of a downlink internet packet, IP, and Ethernet traffic associated with the subscription request;
determining a PDR for a user plane function, UPF, node based on the PDR information or the Traffic Descriptor; and
instructing a user plane function, UPF, node with the determined PDR.