Patent attributes
According to one embodiment, a wireless device includes a transmitter; and a receiver. The transmitter is configured to transmit a first frame including information that designates a plurality of frequency components and instructing execution of frequency multiplexing transmission by a plurality of wireless communication terminals; and the receiver is configured to receive the second frame by at least one frequency component of the plurality of frequency components. The first frame has either a first form or a second form, the first form designates individual terminal identifiers of the plurality of wireless communication terminals, the terminal identifiers each being associated with at least one of the plurality of frequency components, and the second form designates a group identifier of a group to which the plurality of wireless communication terminals belong.