Samsung Electronics Co., Ltd.

Debashish Deka

Prasad Basavaraj Dandra

Vijay Ganesh Surisetty

Anikethan Ramakrishna Vijaya Kumar

Sivasankar Comaravelou

A method performed by a User Equipment (UE) for managing a failure in a registration for accessing a network slice, and the UE including processing circuitry configured to perform the method, are provided. 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 indicating that the network slice is unavailable, 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.

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Bengaluru, India

Debashish Deka