WLAN terminals of bwa network interworking for user authentication method and system

The present invention comprises the steps of to a method when BWA network linkage of the wireless LAN terminal user authentication and a system, a relay station for connecting a wireless LAN terminal and a BWA network, establishing a connection with the initialization process with the BWA network, the a relay station of a wireless LAN terminal for performing a wireless LAN terminal and the wireless LAN performing user authentication for use in a network, and the wireless LAN on behalf of the terminal user authentication used by the BWA network controller and a BWA network BWA network interworking method and by providing a system, even if the user using the Unlicensed Band as well as the management of each user, such as QoS, Traffic Control and Billing also be is facilitated authentication for it to do so.