Method and apparatus for receiving multi-band information in a WLAN system

摘要

The present invention relates to a method and apparatus for receiving multi-band information in a WLAN system. The method for receiving multi-band information by a first station (STA), operating as an unlicensed device, within an available channel which is not used by a licensed device in a white space band of a WLAN system according to one aspect of the present invention comprises: allowing the first station to receive, from a second station, information about a first band and a second band through the first band that is currently being communicated with the first and second stations; and allowing the first station to communication with the second station through the second band, wherein the first station and the second station are multi-band stations that support the first band and the second band.

主权项

1. A method for receiving available channel information 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 an operating class field, a channel number field, and a maximum transmit power field from a second station; and operating in a channel indicated by the operating class field and the channel number field, wherein the operating class field and the channel number field indicate an available channel that can be used by an unlicensed device, wherein the maximum transmit power field indicates a maximum transmit power that is allowed in the available channel, wherein the first STA further receives an information element including a bit indicating that the frame includes available channel information from the second station, and wherein the information element is an extended capabilities information element.