HANDOVER IN WHITE SPACE BAND

摘要

The present invention relates to a method and a device for performing a handover in a wireless local area network (WLAN) system that operates in a white space band. A station (hereinafter referred to as an "STA") performs a handover in a white space band wireless communication system, wherein: the STA forms a connection with a first access point (AP); a particular STA for storing identification information (hereinafter referred to as "first active STA identification information") of an active STA that manages the activation of the STA serviced by said first AP accesses a region serviced by a second AP, and receives from said second AP a message for containing identification information (hereinafter referred to as "second active STA identification information") of the active STA that manages the activation of the STA serviced by said second AP; said first active STA identification information is compared with said second active STA identification information; and if said first active STA identification information is different from said second active STA identification information, a procedure for changing the active STA and a handover to said second AP are performed to the active STA (hereinafter referred to as a "second active STA") corresponding to said second active STA identification information.