| 摘要 |
<p>The present invention relates to a wireless communication system, and more particularly, to a method and device for transmitting or receiving a power save-poll frame and its response frame in a wireless LAN system. The method of transmitting a frame by a station (STA) in a wireless LAN system according to an embodiment of the present invention may include: waking up a power save-poll (PS-Poll) frame at a certain time and transmitting the frame to an access point (AP); and receiving information responsive to the PS-Poll frame from the AP. Information indicating an access category for the PS-Poll frame may be provided from the AP to the station STA.</p> |
