In another specific embodiment, the base wireless communication terminal may transmit specific UL MU transmission scheduling information in addition to whether UL MU transmission is scheduled. This will be described with reference to FIG. 11.
FIG. 11 shows an operation in which a wireless communication terminal according to another embodiment of the present invention receives information on an MU EDCA parameter set from a base wireless communication terminal and applies the information on an MU EDCA parameter set.