Patent ID: 11864147
Assignee: LG ELECTRONICS INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. A user equipment (UE) configured to operate in a wireless communication system, the UE comprising:
an RF module configured to transmit and receive a radio signal;
at least one processor functionally connected to the RF module; and
at least one computer memory operationally connected to the at least one processor,
wherein the at least one computer memory stores instructions that, based on being executed by the at least one processor, perform operations comprising:
selecting a public land mobile network (PLMN);
transmitting, to the PLMN, a registration request message; and
receiving, from the PLMN, a registration accept message,
wherein the registration request message includes information for a registration type,
wherein the information for the registration type represents one among a plurality of 3-bit values related to a type of a requested registration, and
wherein, based on the information for the registration type representing a 3-bit value which is configured for a disaster roaming, the UE is provided with a disaster roaming service from the PLMN based on a disaster condition applied to a home PLMN (HPLMN) of the UE.