US 11,924,909 B2
Indicating a packet data unit session as unavailable
Genadi Velev, Darmstadt (DE); and Dimitrios Karampatsis, Ruislip (GB)
Assigned to Lenovo (Singapore) Pte. Ltd., New Tech Park (SG)
Filed by Lenovo (Singapore) Pte. Ltd., New Tech Park (SG)
Filed on Mar. 15, 2023, as Appl. No. 18/184,585.
Application 18/184,585 is a continuation of application No. 17/524,359, filed on Nov. 11, 2021, granted, now 11,632,821.
Application 17/524,359 is a continuation of application No. 16/610,059, granted, now 11,197,341, issued on Dec. 7, 2021, previously published as PCT/EP2017/070764, filed on Aug. 16, 2017.
Prior Publication US 2023/0225006 A1, Jul. 13, 2023
Int. Cl. H04W 76/30 (2018.01); H04W 8/08 (2009.01); H04W 76/32 (2018.01)
CPC H04W 76/30 (2018.02) [H04W 8/08 (2013.01); H04W 76/32 (2018.02)] 20 Claims
OG exemplary drawing
 
1. An apparatus comprising a session management function (SMF), the apparatus comprising:
a processor;
a memory coupled with the processor, the memory comprising instructions executable by the processor to cause the apparatus to:
receive a first message indicating for the SMF to locally release a protocol data unit (PDU) session;
remove, by the SMF, context associated with the PDU session;
transmit a second message indicating to release the context associated with the PDU session; and
transmit a third message in response to the first message.