Method and terminal for carrying out access control in 5th generation mobile communication system

摘要

Provided is a method for a terminal for carrying out access control according to one disclosure of the present specification. The method may comprise the steps of: an access stratum (AS) layer of the terminal transmitting, to a base station, a radio resource control (RRC) message comprising one or more from among an access category, call type, and setup reason if the determination is for no disconnection to occur as a result of carrying out a termination test for access control; and receiving an RRC reject message or RRC connection drop message from the base station if the network is overloaded or congested. One or more from among the access category, call type, and setup reason included in the RRC message can be utilized to determine whether the base station is to transmit the RRC reject message or RRC connection drop message when the network is overloaded or congested.