Patent ID: 8885538

Claim:
A method performed in a Wireless Local Access Network (WLAN) system, the method comprising: establishing, by a first station, an access point (AP) link by associating with an AP; receiving, by the first station, a direct link setup (DLS) request frame for requesting, through the AP, to set up a direct link from a second station, wherein the AP link is a communication link between the first station and the AP and the direct link is a communication link between the first station and the second station without passing through the AP; determining, by the first station, at least one channel to be supported only in the direct link; transmitting, by the first station, a DLS response frame for notifying the at least one channel to be used in the direct link as a response to the DLS request frame, through the AP to the second station, the DLS response frame including a status code and channel set information, the status code indicating a success or failure of the requested direct link setup, the channel set information indicating the at least one determined channel; and communicating, by the first station, with the second station via the direct link by using the at least one determined channel, wherein the first station and the second station are non-AP stations, and wherein the channel set information is not processed by the AP during the receiving of the DLS request frame and the transmitting of the DLS response frame.