| 摘要 |
A method for performing, by a station (STA), a random access to an access point (AP) based on an uplink OFDMA in a wireless LAN system is disclosed. To this end, the STA sets an OFDMA back-off (OBO) value with a random value within an OFDMA contention window (CWO), receives, from the AP, a beacon frame including transmission start time information of at least one trigger frame for random access (TF-R), reduces the OBO value on the basis of the reception of the at least one TF-R, and, if the OBO value reaches 0, transmits a random access request frame via a randomly selected resource among resources allocated to the STA. |
