US 12,425,867 B2
Registration and security enhancements for a WTRU with multiple USIMs
Behrouz Aghili, Commack, NY (US); Samir Ferdi, Kirkland (CA); Alec Brusilovsky, Downingtown, PA (US); Ulises Olvera-Hernandez, Montreal (CA); and Xiaoyan Shi, Westmount (CA)
Assigned to InterDigital Patent Holdings, Inc., Wilmington, DE (US)
Appl. No. 17/635,486
Filed by InterDigital Patent Holdings, Inc., Wilmington, DE (US)
PCT Filed Aug. 13, 2020, PCT No. PCT/US2020/046124
§ 371(c)(1), (2) Date Feb. 15, 2022,
PCT Pub. No. WO2021/034593, PCT Pub. Date Feb. 25, 2021.
Claims priority of provisional application 62/888,109, filed on Aug. 16, 2019.
Prior Publication US 2022/0345894 A1, Oct. 27, 2022
Int. Cl. H04W 12/72 (2021.01); H04L 9/40 (2022.01); H04L 65/1069 (2022.01); H04L 65/1073 (2022.01); H04W 8/18 (2009.01); H04W 12/06 (2021.01); H04W 12/40 (2021.01)
CPC H04W 12/72 (2021.01) [H04L 63/0853 (2013.01); H04W 8/18 (2013.01); H04W 12/06 (2013.01); H04W 12/40 (2021.01); H04L 65/1069 (2013.01); H04L 65/1073 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A wireless transmit/receive unit (WTRU) comprising:
a processor configured to:
send, to a network, a request message indicative of a request to authenticate at least:
a first subscriber identity module associated with the WTRU, and
a second subscriber identity module associated with the WTRU;
receive, from the network, a first challenge message;
send, to the first subscriber identity module, the first challenge message;
receive, from the first subscriber identity module and based on the first challenge message, a first response message;
send, to the second subscriber identity module, the first response message that was received from the first subscriber identity module as an indication of a second challenge message;
receive, from the second subscriber identity module and based on the first response message, an aggregate response message that is configured to authenticate the first and the second subscriber identity modules; and
send, to the network in response to the first challenge message, the aggregate response message that is configured to authenticate the first and second subscriber identity modules.