US 11,882,443 B2
Tracking area identifier (TAI) change during authentication request processing
Nirlesh Koshta, Karnataka (IN); Krisztian Kiss, Cupertino, CA (US); Pradeep Pangi, Karnataka (IN); Sridhar Prakasam, Cupertino, CA (US); and Vijay Venkataraman, Cupertino, CA (US)
Assigned to APPLE INC., Cupertino, CA (US)
Appl. No. 17/593,118
Filed by APPLE INC., Cupertino, CA (US)
PCT Filed Apr. 5, 2021, PCT No. PCT/US2021/025798
§ 371(c)(1), (2) Date Sep. 9, 2021,
PCT Pub. No. WO2021/207084, PCT Pub. Date Oct. 14, 2021.
Claims priority of application No. 202041015353 (IN), filed on Apr. 7, 2020.
Prior Publication US 2022/0312198 A1, Sep. 29, 2022
Int. Cl. H04W 12/06 (2021.01); H04W 4/029 (2018.01); H04W 12/63 (2021.01); H04W 12/041 (2021.01); H04L 9/08 (2006.01); H04W 88/02 (2009.01)
CPC H04W 12/06 (2013.01) [H04L 9/0869 (2013.01); H04W 4/029 (2018.02); H04W 12/041 (2021.01); H04W 12/63 (2021.01); H04L 2209/80 (2013.01); H04W 88/02 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method of a user equipment (UE), comprising:
receiving a first authentication request in response to a first triggering request from the UE to a mobility management node of a first Tracking Area (TA) in which the UE is located;
preparing and storing an authentication response according to the first authentication request;
in response to determining that the UE has moved from the first TA to a second TA:
aborting a sending of the authentication response;
aborting the first triggering request;
sending a second triggering request from the UE to a mobility management node of the second TA;
receiving, from the mobility management node of the second TA, a second authentication request in response to the second triggering request; and
sending the stored authentication response according to the first authentication request to the mobility management node of the second TA in response to the receiving of the second authentication request and in further response to a determination that a given parameter of each of the first and second authentication requests are the same.