Method and apparatus for receiving available channel information in a wireless LAN system

摘要

The present invention relates to a method and apparatus for receiving a white space map in a wireless LAN system. According to one aspect of the present invention, in a method in which a first station (STA) receives a white space map in a wireless LAN system, wherein the first station operates as an unlicensed device that is allowed to operate in an available channel not used by a licensed device in a white space band, the first station receives, from a second station, a frame including the white space map which includes a black list and a first field for indicating that the white space map contains the black list, and operates in at least one channel from the rest of the channels in TVWS, excluding the channel contained in the black list, wherein the black list is a list of channels which cannot be used by the unlicensed device.

主权项

1. A method for receiving a whitespace map by a first station (STA) that operates as an unlicensed device that is allowed to operate in an available channel that is not being used by a licensed device in a whitespace band in a wireless LAN system, the method comprising:
receiving a frame including a whitespace map including a black list and a first field indicating that the whitespace map includes the black list from a second station; operating in at least one channel, other than channels included in the black list, from among channels included in the whitespace map, transmitting information regarding an updated whitespace map to the second station, wherein the black list is a list of channels which cannot be used by an unlicensed device, and wherein the information regarding the updated whitespace map is a list of channels which have changed to be available to an unlicensed device among the channels included in the black list.