AUTHENTICATION METHOD OF A MOBILE TERMINAL FOR PRIVATE/PUBLIC PACKET DATA SERVICE AND PRIVATE NETWORK SYSTEM THEREOF

摘要

A wireless data protective device in a communication system for providing private/public network wireless packet data services includes: intranet connected to the Internet through a firewall system; and private base station controller, mounted with a packet data processor for doing wireless data communication with a mobile terminal through private or public base station, and for enabling the terminal to exchange packet data through the intranet. In addition, an authentication method at a request of the mobile terminal for Internet connection in the communication system, mounted with the wireless data protective device, for providing private/public network wireless packet data services includes: (1) the mobile terminal transmits a link control protocol (hereinafter, it is referred to LCP)_generate_request signal to the packet data processor; (2) the packet data processor transmits a LCP_Config_Ack signal, and a LCP_Config_Request signal to the mobile terminal; and (3) the mobile terminal transmits a LCP_Config_Ack signal to the packet data processor.