US 12,341,613 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 Nov. 17, 2023, as Appl. No. 18/513,056.
Application 18/513,056 is a continuation of application No. 17/831,775, filed on Jun. 3, 2022, granted, now 11,863,323.
Application 17/831,775 is a continuation of application No. 16/756,209, granted, now 11,368,254, issued on Jun. 21, 2022, 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 2024/0163014 A1, May 16, 2024
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)] 23 Claims
OG exemplary drawing
 
1. A method implemented in a wireless device, the method comprising:
transmitting a transport message to an Access and Mobility Function (AMF), wherein the transport message comprises a fifth generation session management (5GSM) message to be forwarded by the AMF to a Session Management Function (SMF); and
receiving a status message transmitted by the AMF, wherein the status message comprises at least a portion of the transport message and an indication of non-delivery of the 5GSM message, wherein
the portion of the transport message comprises the 5GSM message, and
the indication of non-delivery is an indication of non-delivery of the 5GSM message by the AMF to the SMF.