Patent ID: 7599692

Claim:
A system for wireless LAN (Local Area Network) communication, comprising: a user terminal for a user; a plurality of wireless LAN base stations shared by a plurality of service providers for providing an Internet-access service, said plurality of service providers including a first service provider to be contracted with said user and a second service provider not to be contracted with said user, said plurality of wireless LAN base station including a first wireless LAN base station managed by said first service provider and a second wireless LAN base station managed by said second service provider; means for obtaining a one-time password and one-time ID that are associated with said user and valid for a given period of time every time said user terminal is connected to any one of said wireless LAN base stations other than said first wireless LAN base station; means for connecting said user terminal to said second wireless LAN base station using said one-time password and one-time ID; means for collecting data of a communication amount and communication time of said user terminal, when said user terminal is connected to said second wireless LAN base station; and means for enabling said first service provider to pay a charge on usage of said second wireless LAN base station to said second service provider in accordance with said communication amount and communication time.