US 12,127,151 B2
Method and system for transmission of SUSI in the NAS procedure
Kundan Tiwari, Chennai (IN); Toshiyuki Tamura, Tokyo (JP); and Sheeba Backia Mary Baskaran, Chennai (IN)
Assigned to NEC CORPORATION, Tokyo (JP)
Filed by NEC Corporation, Tokyo (JP)
Filed on Jul. 6, 2022, as Appl. No. 17/858,259.
Application 17/858,259 is a continuation of application No. 17/085,588, filed on Oct. 30, 2020, granted, now 11,419,086.
Application 17/085,588 is a continuation of application No. 16/833,273, filed on Mar. 27, 2020, granted, now 10,856,250, issued on Dec. 1, 2020.
Application 16/833,273 is a continuation of application No. 16/688,763, filed on Nov. 19, 2019, granted, now 10,856,249, issued on Dec. 1, 2020.
Application 16/688,763 is a continuation of application No. 16/281,786, filed on Feb. 21, 2019, granted, now 10,499,357, issued on Dec. 3, 2019.
Claims priority of application No. 201811029941 (IN), filed on Aug. 9, 2018.
Prior Publication US 2022/0338153 A1, Oct. 20, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 60/02 (2009.01); H04W 12/48 (2021.01)
CPC H04W 60/02 (2013.01) [H04W 12/48 (2021.01)] 12 Claims
OG exemplary drawing
 
1. A method of a user equipment (UE), the method comprising:
sending a first registration request message to a communication apparatus,
wherein the first registration request message includes a first subscription concealed identifier (SUCI), and
wherein the first SUCI is based on a subscription permanent identifier (SUPI);
starting a timer based on sending the first registration request message;
sending a second registration request message to the communication apparatus,
wherein the second registration request message includes the first SUCI and is sent while the timer is running; and
sending a third registration request message to the communication apparatus,
wherein the third registration request message includes a second SUCI and is sent after the timer expires,
wherein the second SUCI is based on the SUPI, and
wherein the second SUCI is different from the first SUCI.