公开(公告)号：US20210329539A1

公开(公告)日：2021-10-21

申请号：US17232493

申请日：2021-04-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Vijay Ganesh SURISETTY ,  Sivasankar COMARAVELOU ,  Prasad Basavaraj DANDRA ,  Anikethan Ramakrishna VIJAYA KUMAR ,  Debashish DEKA

IPC: H04W48/16 ,  H04W48/18 ,  H04W60/04

Abstract: A performed by a User Equipment (UE) for managing a failure in a registration for accessing a network slice. The method includes sending a registration request message to a first wireless network while the UE is in a tracking area of a registration area, the registration request message including a Single Network Slice Selection Assistance Information (S-NSSAI) corresponding to the network slice, receiving a registration reject message from the first wireless network, the registration reject message indicating that the network slice is unavailable in one of the registration area, a Public Land Mobile Network (PLMN), or a Stand-alone Non-Public Network (SNPN), storing a Tracking Area Identifier (TAI) of the tracking area to a rejected list based on the TAI of the tracking area being included the registration reject message, and establishing a connection with a second wireless network in response to the receiving.