US 12,439,359 B2
Notification area management in a wireless network
Anders Berggren, Lund (SE); and Lars Nord, Lund (SE)
Assigned to Sony Group Corporation, Tokyo (JP)
Appl. No. 17/801,680
Filed by Sony Group Corporation, Tokyo (JP)
PCT Filed Feb. 10, 2021, PCT No. PCT/EP2021/053234
§ 371(c)(1), (2) Date Aug. 23, 2022,
PCT Pub. No. WO2021/175548, PCT Pub. Date Sep. 10, 2021.
Claims priority of application No. 2050252-2 (SE), filed on Mar. 5, 2020.
Prior Publication US 2023/0129653 A1, Apr. 27, 2023
Int. Cl. H04W 60/04 (2009.01); H04W 48/16 (2009.01); H04W 48/20 (2009.01); H04W 88/08 (2009.01)
CPC H04W 60/04 (2013.01) [H04W 48/16 (2013.01); H04W 48/20 (2013.01); H04W 88/085 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method for operating a first base station for configuration of a first notification area, wherein first base station comprises a first central unit (CU) and one or more first distributed units (DU) controlled by the first CU, the method comprising:
receiving first information identifying a notification area update from a second base station comprising a second CU and one or more second DUs controlled by the second CU,
wherein said first information is based on a message identifying a notification area update procedure obtained in one of said second DUs from a user equipment (UE) being configured with a first notification area comprising the first base station;
establishing a connection between said first CU and said one second DU; and
configuring the UE with second information identifying an addition of said one second DU to said first notification area.