US 12,363,670 B2
Method and apparatus for core network registration and radio access network notification update
Lianhai Wu, Beijing (CN); Haiming Wang, Beijing (CN); Jing Han, Beijing (CN); Zhi Yan, Beijing (CN); and Jie Shi, Beijing (CN)
Assigned to Lenovo (Beijing) Limited, Beijing (CN)
Filed by LENOVO (BEIJING) LIMITED, Beijing (CN)
Filed on Feb. 22, 2022, as Appl. No. 17/677,749.
Application 17/677,749 is a continuation of application No. PCT/CN2019/102340, filed on Aug. 23, 2019.
Prior Publication US 2022/0182966 A1, Jun. 9, 2022
Int. Cl. H04W 60/04 (2009.01); H04L 1/00 (2006.01); H04W 76/19 (2018.01); H04W 76/20 (2018.01)
CPC H04W 60/04 (2013.01) [H04L 1/0025 (2013.01); H04W 76/19 (2018.02); H04W 76/20 (2018.02)] 20 Claims
OG exemplary drawing
 
10. A method performed by a second communication device, the method comprising:
storing first radio access network (RAN) based notification area information of a last serving cell;
receiving, from a first communication device, a message comprising a serving cell identifier (ID) and second RAN based notification area information of a serving cell of the first communication device; and
determining whether to perform a RAN based notification area update procedure based on the first RAN based notification area information and the serving cell ID.