FIELD: radio engineering, communication.
SUBSTANCE: method for performing a selective access to the sub-channel by the station (STA) in a wireless LAN system (WLAN) includes: receiving a predetermined frame from the access point (AP), wherein the first frame includes a sensing indicator field indicating the first case in which the first frame is used for sensing dispatching control, or the second case in which the first frame is used for dispatching control operation by the AP for selective access to a sub-channel, a channel list information field, a time information field.
EFFECT: correct execution, maintenance of an effective selective access to a sub-channel.
7 cl, 24 dwg
