US 12,349,224 B2
UE behavior with rejection of resume request
Gunnar Mildh, Sollentuna (SE); and Icaro L. J. Da Silva, Solna (SE)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Filed on May 29, 2024, as Appl. No. 18/676,907.
Application 18/676,907 is a continuation of application No. 18/132,648, filed on Apr. 10, 2023, granted, now 12,035,401.
Application 18/132,648 is a continuation of application No. 17/009,691, filed on Sep. 1, 2020, granted, now 11,627,625, issued on Apr. 11, 2023.
Application 17/009,691 is a continuation of application No. PCT/IB2019/053617, filed on May 3, 2019.
Claims priority of provisional application 62/669,822, filed on May 10, 2018.
Prior Publication US 2024/0314872 A1, Sep. 19, 2024
Int. Cl. H04W 76/18 (2018.01); H04W 68/00 (2009.01); H04W 76/27 (2018.01)
CPC H04W 76/18 (2018.02) [H04W 68/005 (2013.01); H04W 76/27 (2018.02)] 10 Claims
OG exemplary drawing
 
1. A method of operation of a wireless device in a cellular communications system, the method comprising:
transmitting, to a Radio Access Network, RAN, node, a Radio Resource Control, RRC, resume request;
in response to the RRC resume request, receiving, from the RAN node, an RRC resume reject message comprising a wait timer value;
starting a wait timer initialized with the wait timer value;
discarding at least one security key; and
sending a second RRC resume request when the wait timer has expired.