CPC H04W 60/04 (2013.01) [H04W 36/14 (2013.01); H04W 48/16 (2013.01); H04W 48/18 (2013.01); H04W 80/10 (2013.01); H04W 88/10 (2013.01); H04W 48/02 (2013.01)] | 18 Claims |
1. A method performed by a user equipment (UE), the method comprising:
identifying network access information of the UE for accessing a 5th-generation core network (5GC) in case that the UE is attached in an evolved packet core (EPC);
transmitting, to an access and mobility management function (AMF), a request message for accessing the 5GC including UE identification information and the network access information of the UE; and
transmitting, to the AMF, a non-access stratum (NAS) message for establishing a session with the 5GC, wherein the UE is attached in the 5GC and the EPC, or the 5GC.
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