CPC H04W 48/18 (2013.01) [H04W 8/06 (2013.01); H04W 84/042 (2013.01)] | 15 Claims |
1. A method performed, by an access and mobility management function (AMF), in a wireless communication system, the method comprising:
receiving, from a user equipment (UE) with a packet data network (PDN) connection established, a registration request message including a first single-network slice selection assistance information (S-NSSAI) associated with the PDN connection;
determining a second S-NSSAI associated with a packet data unit (PDU) session corresponding to the PDN connection based on the first S-NSSAI; and
transmitting information regarding the second S-NSSAI to a user plane function (UPF) via a session management function (SMF) to request modification of an N4 session.
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