US Patent No. 10,716,083

TRACKING AREA ASSIGNMENT METHOD IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR


Patent No. 10,716,083
Issue Date July 14, 2020
Title Tracking Area Assignment Method In Wireless Communication System And Device Therefor
Inventorship Myungjune Youn, Seoul (KR)
Jaehyun Kim, Seoul (KR)
Hyunsook Kim, Seoul (KR)
Jinsook Ryu, Seoul (KR)
Assignee LG Electronics Inc., Seoul (KR)

Claim of US Patent No. 10,716,083

1. A tracking area assignment method, by an access and mobility management function (AMF) in a wireless communication system, the method comprising:receiving, from a session management function (SMF), session and service continuity (SSC) mode indication information for a protocol data unit (PDU) session generated for a user equipment (UE);
obtaining serving area information for a serving area of a serving user plane function (UPF) associated with the PDU session;
determining an assignment of a new tracking area to the UE is necessary based on a tracking area pre-assigned to the UE and the serving area; and
performing tracking area update for the assignment of the new tracking area to the UE if it is determined that the assignment of the new tracking area is necessary.