CPC H04W 48/10 (2013.01) [H04W 8/18 (2013.01); H04W 12/06 (2013.01); H04W 60/00 (2013.01); H04W 76/10 (2018.02)] | 15 Claims |
1. A method performed by a terminal in a mobile communication system, the method comprising:
selecting a first standalone non-public network (SNPN) to be accessed based on information on the SNPN, the information being broadcasted from a base station;
transmitting, to a network entity of the first SNPN, a registration request message for accessing the selected first SNPN;
transmitting, to the network entity, a packet data unit (PDU) session request message to request establishment of a PDU session with the first SNPN;
receiving, from the network entity, SNPN subscription data including a subscription credential of the terminal for a second SNPN through the PDU session established in response to the PDU session request message;
releasing registration with the first SNPN;
selecting the second SNPN to be accessed based on the received SNPN subscription data; and
performing authentication on the second SNPN based on the subscription credential to be registered with the second SNPN.
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