Design And Implementation Of Regional Location Access System Based On Wi-Fi

Because of its mobility, convenience and scalability, deployment of low cost, wireless network is deeply and constantly expanding in many applications. With the rapid development of wireless network application, it has put forward the new challenge to the wireless network access authentication technology. Therefore, wireless access system has become one of the hottest researches in this field. Traditional identity information access password authentication technology can’t meet the network access requirements. At the same time, wireless network has been moving on more possibilities in its application range because of location technology based on wireless network. According to the characteristics of wireless network, access authentication for convenience, safety and real-time, this paper will search for an implementation scheme of network access authentication system based on positioning technology.This paper analyzes several ways of current identity-based access authentication information technology. Combined with security and mobility requirements, the paper chooses the access authentication technology based on location information as the design basis of the system and has carried on the thorough analysis and research. Secondly, in order to prevent terminal users forged identity information to access network and based on fingerprint recognition model technology, the paper use this method to optimize the system solution that make receiving signal strength from user terminal change to location information. At the same time, combined with the model of Windows platform, the paper gives further analysis of the performance of the access system. Then, design and implement the whole system under Linux-based server and test its function modules, such as access control mechanism, online status detection, positioning and so on. Finally, build the test system to evaluate the performance of the network access system and analyze the feasibility of the proposed access authentication system based on the location information.The test results proved that the location information can be used as the standard to deter mine access authentication system, and ensure the access security in many application systems. At the same time, using Wi-Fi positioning technology based on fingerprint has a great advantage in functionality and building costs.