| abstract |
A data transmission method of a station (STA) apparatus in a wireless LAN (WLAN) system according to one embodiment of the present invention comprises the steps of: generating a physical protocol data unit (PPDU) including a physical preamble and a data field; and transmitting the PPDU, wherein the physical preamble includes a high efficiency (HE) - signal (SIG) A field including common control information, and an HE-SIG B field including user-specific information, and the common control information of the HE-SIG A field may include modulation and coding scheme (MCS) information about an MCS level which is applied to the HE-SIG B field. |