A wireless terminal (STA 101) capable of performing transmission by a first transmission scheme, comprising: a receiver configured to receive a first frame, the first frame being transmitted by a second wireless terminal using a second transmission scheme, the first frame being a dummy frame addressed to the second wireless terminal (1, AP1) to make the second wireless terminal (1, AP1) reserve a channel and, after the first frame, to receive a second frame for polling, for which the first transmission scheme is used and which notifies the wireless terminal (STA 101) of information associated with a reception status, at the second wireless terminal (1, AP1), of a frame previously transmitted by the wireless terminal (STA 101) using the first transmission scheme, the second frame being a frame to give a transmission right to the wireless terminal (STA 101); and a transmitter configured to transmit a data frame, using the first transmission scheme with a transmission rate adjusted based on the information associated with the reception status, wherein transmission of the first frame is performed based on carrier sense, the transmission by the first transmission scheme can be received and decoded by a first reception scheme, transmission by the second transmission scheme can be received and decoded by both the first reception scheme and a second reception scheme, and a period for inhibiting, if the first frame is received by another wireless terminal other than the second wireless terminal (1, AP1), transmission by the another wireless terminal is set in the first frame, wherein the first transmission scheme and the first reception scheme comply with a first IEEE 802.11 wireless standard, the second transmission scheme and the second reception scheme comply with a second IEEE 802.11 wireless standard, and the first IEEE 802.11 wireless standard maintains backward compatibility with the second IEEE 802.11 wireless standard. a receiver configured to receive a first frame, the first frame being transmitted by a second wireless terminal using a second transmission scheme, the first frame being a dummy frame addressed to the second wireless terminal (1, AP1) to make the second wireless terminal (1, AP1) reserve a channel and, after the first frame, to receive a second frame for polling, for which the first transmission scheme is used and which notifies the wireless terminal (STA 101) of information associated with a reception status, at the second wireless terminal (1, AP1), of a frame previously transmitted by the wireless terminal (STA 101) using the first transmission scheme, the second frame being a frame to give a transmission right to the wireless terminal (STA 101); and a transmitter configured to transmit a data frame, using the first transmission scheme with a transmission rate adjusted based on the information associated with the reception status, wherein transmission of the first frame is performed based on carrier sense, the transmission by the first transmission scheme can be received and decoded by a first reception scheme, transmission by the second transmission scheme can be received and decoded by both the first reception scheme and a second reception scheme, and a period for inhibiting, if the first frame is received by another wireless terminal other than the second wireless terminal (1, AP1), transmission by the another wireless terminal is set in the first frame, wherein the first transmission scheme and the first reception scheme comply with a first IEEE 802.11 wireless standard, the second transmission scheme and the second reception scheme comply with a second IEEE 802.11 wireless standard, and the first IEEE 802.11 wireless standard maintains backward compatibility with the second IEEE 802.11 wireless standard. <EOS>