NTT has developed 5GHz AWA (Advanced Wireless Access) system to provide Nomadic Wireless Access service. This system is based on HIPERLAN2/HiSWANa, and has the high-speed radio communication of 36Mbps and a function of QoS (Quality of Service) guarantee such as CBR (Constant Bit Rate). According to the system scale, AP (Access Point) can choose either AP authentication mode or NW authentication mode. This paper introduces the authentication and the operation as the network technology of AWA system.
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