US 11,991,526 B2
Sidelink paired and unpaired states
Punyaslok Purkayastha, San Diego, CA (US); Karthika Paladugu, San Diego, CA (US); Gavin Bernard Horn, La Jolla, CA (US); Rajat Prakash, San Diego, CA (US); Hong Cheng, Basking Ridge, NJ (US); and Dan Vassilovski, Del Mar, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Dec. 10, 2020, as Appl. No. 17/118,473.
Claims priority of provisional application 62/948,740, filed on Dec. 16, 2019.
Prior Publication US 2021/0185521 A1, Jun. 17, 2021
Int. Cl. H04W 12/50 (2021.01); H04W 4/06 (2009.01); H04W 76/14 (2018.01); H04W 76/19 (2018.01); H04W 76/38 (2018.01)
CPC H04W 12/50 (2021.01) [H04W 4/06 (2013.01); H04W 76/14 (2018.02); H04W 76/19 (2018.02); H04W 76/38 (2018.02)] 10 Claims
OG exemplary drawing
 
1. A method of wireless communication at a first user equipment (UE), comprising:
establishing a unicast link with a second UE, establishing the unicast link comprising a security establishment procedure between the first UE and the second UE;
establishing a security context with the second UE during the security establishment procedure;
starting a timer based on a status of the unicast link;
reestablishing the unicast link with the second UE using the security context when the unicast link is reestablished prior to expiration of the timer;
stopping the timer upon re-establishing the unicast link prior to the expiration of the timer; and
restarting the timer from a current value that the timer was stopped upon releasing the unicast link.