1. A method of controlling channel access performed by an access point (AP) in a wireless local area network (WLAN) system, the method comprising:receiving, from a target wake time (TWT) station (STA), a request frame comprising a bit value indicating whether protection of a resource for a TWT is requested to the AP;
determining whether the resource for the TWT is to be protected;
transmitting, to the TWT STA, a response frame comprising a bit value indicating whether the resource for the TWT is to be protected, in response to receiving the request for the protecting the resource; and
transmitting, to traffic indication map (TIM) STAs, a beacon frame including TIM information indicating that the TWT STA is allowed to access during the protected resource for the TWT,
wherein an STA listens for the beacon frame including the TIM information when the STA is a TIM STA.