Method for terminal to connect to network in wireless communication system
One aspect in the present specification is a method for a terminal to connect to a network in a wireless communication system, wherein the method can include: searching a network usable by the terminal; receiving, from the searched network, information about access groups supported by the searched network; determining, on the basis of the access group information, whether an identifier of the access group included in an allowed access group list preset in the terminal is included in the access group information; receiving, from the searched network, control information related to an access group for selecting the searched network; transmitting a registration request message to the searched network on the basis of the control information; and receiving a response message from the searched network as a response to the registration request message.
1. A method for a user equipment (UE) to connect to a network in a wireless communication system, the method comprising:
searching for a network usable by the UE;
receiving information for an access group supported by the searched network from the searched network;
determining an access group identifier included in a list of allowed access groups preconfigured in the UE is not included in the information for the access group;
receiving control information related to an access group for selecting the searched network from the searched network, wherein the control information indicates whether to allow access to the access group based on the access group identifier not being included in the information for the access group;
transmitting a registration request message to the searched network based on the control information; and
receiving a response message as a response to the registration request message from the searched network.
2. The method of claim 1 , wherein the access group is a closed access group (CAG).
3. The method of claim 1 , wherein the searched network supports a non public network (NPN).
4. The method of claim 1 , wherein the control information includes information indicating that the UE can select the searched network.
5. The method of claim 4 , further comprising:
selecting the searched network through a manual network selection mode.
6. The method of claim 1 , wherein the information for the access group and the control information are received through a system information block (SIB) message.
7. The method of claim 1 , further comprising:
configuring not to perform a network selection procedure or a registration request procedure on the searched network based on the response message being a message rejecting a registration request.
8. A user equipment (UE) configured to connect to a network in a wireless communication system, comprising:
a transceiver;
at least one processor; and
at least one computer memory operably connectable to the at least one processor and storing instructions that, based on being executed by the at least one processor, perform operations comprising:
searching for a network usable by the UE;
receiving information for an access group supported by the searched network through the transceiver from the searched network;
determining an access group identifier included in a list of allowed access groups preconfigured in the memory is not included in the information for the access group;
receiving control information related to an access group for selecting the searched network through the transceiver from the searched network, wherein the control information indicates whether to allow access to the access group based on the access group identifier not being included in the information for the access group;
transmitting a registration request message to the searched network based on the control information; and
receiving a response message, as a response to the registration request message, from the searched network.
9. The UE of claim 8 , wherein the access group is a closed access group (CAG).
10. The UE of claim 8 , wherein the searched network supports a non public network (NPN).
11. The UE of claim 8 , wherein the control information includes information indicating that the UE can select the searched network.
12. The UE of claim 11 , wherein the processor selects the searched network through a manual network selection mode.
13. The UE of claim 8 , wherein the information for the access group and the control information are received through a system information block (SIB) message.
14. The UE of claim 8 , wherein the processor configures not to perform a network selection procedure or a registration request procedure on the searched network based on the response message being a message rejecting a registration request.