Method and user device for performing access control in next-generation mobile communication network

摘要

One disclosure of the present specification provides a method for a user equipment (UE) to perform access control. In the method, even if access to a cell is currently blocked or a back-off timer is running, when an important service is required, the NAS (Non-Access-Stratum) layer of the UE is Delivering information on a service and a NAS signaling request to a Radio Resource Control (RRC) layer; In addition, the RRC layer may include skipping or overriding a check for access control based on the information on the important service. Here, information on the important service may be set in advance.