| 摘要 |
According to one embodiment of the present invention, an access point (AP) downlink (DL) multi-user (MU) transmission method in a wireless communication system comprises the steps of: transmitting a DL MU physical protocol data unit (PPDU), the DL MU PPDU including a trigger frame, which includes trigger information for uplink (UL) MU transmission, and a DL MU frame; and UL MU-receiving a UL MU PPDU generated on the basis of the DL MU PPDU, wherein the UL MU PPDU can include a UL MU frame based on the trigger frame and an acknowledge (ACK) frame which is a response to the DL MU frame. |
