A wireless communication system of the present invention includes: terminals; a base station that performs wireless communication with the terminals; a gateway apparatus that manages the terminals and the base station; and a server apparatus that authenticates the terminals. The gateway apparatus includes: at least one C-plane processor that processes C-plane; and N U-plane processors that process U plane. Each of the N U-plane processors notifies the C-plane processor of its own load status. The server apparatus notifies the C-plane processor of service levels of target terminals that try to perform entry to a network in which the base station and the gateway apparatus are located. The C-plane processor allocates, based on the load status of each of the N U-plane processors and the service levels of the target terminals, one of the N U-plane processors as an entry destination to the target terminals.