A new wireless access system for achieving a cost-effective ubiquitous network

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説明

Public wireless LAN service businesses, if they are to be a success, will have to be able to expand their service area. This paper describes a cost-effective wireless access system combining low-cost wired access links with wireless LAN networks. For it, we propose an authentication scheme with certificates for public terminals and a link-sharing scheme including bandwidth control. The authentication scheme is in two stages, which protects the access link from unauthorized users. The multiple wireless LANs making up the wireless network can provide several service classes. We evaluated the proposed system by computer simulation. The simulation results indicate that it effectively utilizes the access links. Certain equipment for this system has been developed and successfully tested.

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