US 11,863,323 B2
Avoiding multiple retransmissions of signalling transported by 5G NAS transport
Ivo Sedlacek, Hovorcovice (CZ); Kaj Johansson, Gothenburg (SE); and Mikael Wass, Sätila (SE)
Assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm (SE)
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Filed on Jun. 3, 2022, as Appl. No. 17/831,775.
Application 17/831,775 is a continuation of application No. 16/756,209, granted, now 11,368,254, previously published as PCT/EP2018/078306, filed on Oct. 16, 2018.
Claims priority of provisional application 62/572,699, filed on Oct. 16, 2017.
Prior Publication US 2022/0407624 A1, Dec. 22, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 1/1607 (2023.01); H04L 1/14 (2006.01)
CPC H04L 1/1671 (2013.01) [H04L 1/14 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A method implemented in a wireless device, comprising:
transmitting a transport message to an Access and Mobility Function (AMF), wherein the transport message comprises a session management message to be forwarded by the AMF to a Session Management Function (SMF); and
after transmitting the transport message to the AMF, receiving a message transmitted by the AMF, wherein the message comprises the session management message and an indication of non-delivery of the session management message, wherein
the transport message is an uplink (UL) transport message, and
the session management message is a 5G session management (5GSM) message.