US 12,328,703 B2
PDU session management
Paul Schliwa-Bertling, Ljungsbro (SE); Stefan Rommer, Västra Frölunda (SE); and Peter Hedman, Helsingborg (SE)
Assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm (SE)
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Filed on Jul. 22, 2022, as Appl. No. 17/871,087.
Application 17/871,087 is a continuation of application No. 15/744,238, granted, now 11,412,473, previously published as PCT/SE2017/051281, filed on Dec. 15, 2017.
Claims priority of provisional application 62/444,565, filed on Jan. 10, 2017.
Prior Publication US 2023/0016378 A1, Jan. 19, 2023
Int. Cl. H04W 60/00 (2009.01); H04W 76/10 (2018.01); H04W 76/25 (2018.01)
CPC H04W 60/00 (2013.01) [H04W 76/10 (2018.02); H04W 76/25 (2018.02)] 10 Claims
OG exemplary drawing
 
1. A method for protocol data unit (PDU) session management, the method comprising:
determining, by a user equipment (UE), that one or more PDU sessions have uplink data to transmit and require user plane (UP) resources;
transmitting, by the UE, a registration request message comprising information indicating that the user plane resources for the one or more PDU sessions are not established;
wherein the information comprises one or more bits, each of the bits indicating that uplink data is pending for a corresponding PDU session of the one or more PDU sessions and the user-plane resources for the corresponding PDU session are not established.