Science & Engineering Research Support soCiety (SERSC)
WLAN (Wireless Local Area Network) connect the users and the network by using radio frequency signals. It reduces network cabling between the terminals and the network equipment. Thus, WLAN has the following benefits: giving end users a great deal of mobility, convenience and saving network cabling project costs. WLAN can share the wireless traffic of 2G or 3G network. But WLAN authentication from the safety and convenience of comprehensive consideration has not been a fine solution. This paper analyzes the various existing problems of authentication used in the field of WLAN.