A first wireless communication device, comprising: circuitry configured to: wirelessly communicate with a second wireless communication device based on an Institute of Electrical and Electronics Engineers, IEEE, 802.11 standard; control schedule information to be included in a physical layer convergence protocol, PLCP, header defined in the IEEE 802.11 standard, wherein the schedule information is related to orthogonal frequency-division multiple access, OFDMA; and transmit the schedule information to the second wireless communication device, characterized in that the PLCP header comprises a legacy field, a field for an 802.11ac compatible terminal, and a field for an OFDMA compatible terminal, wherein the field for an 802.11ac compatible terminal is extended to indicate whether the field for an OFDMA compatible terminal follows the field for an 802.11ac compatible terminal, wherein the field for an OFDMA compatible terminal comprises a plurality of OFDMA-related packets with a first OFDMA-related packet (OFDMA-SIG-1) and a plurality of second OFDMA-related packets (OFDMA-SIG-2-n), wherein a combination of the first OFDMA-related packet (OFDMA-SIG-1) and the plurality of second OFDMA-related packets (OFDMA-SIG-2-n) indicates resources to be used by each user, wherein the first OFDMA-related packet (OFDMA-SIG-1) comprises channel segmentation pattern information related to a resource allocation pattern in frequency domain to be used in wireless communication with the second wireless communication device indicated by a plurality of bits, wherein the plurality of bits is set based on channel width and a number of the plurality of bits is different between a first case in which the channel width corresponds to 40 MHz, a second case in which the channel width corresponds to 80 MHz, and a third case in which the channel width corresponds to 80+80 MHz, and wherein each second OFDMA-related packet of the plurality of second OFDMA-related packets (OFDMA-SIG-2-n) comprises a user identifier ID (OFDMA_User_ID), transmission power and Modulation and Coding Scheme information. wirelessly communicate with a second wireless communication device based on an Institute of Electrical and Electronics Engineers, IEEE, 802.11 standard; control schedule information to be included in a physical layer convergence protocol, PLCP, header defined in the IEEE 802.11 standard, wherein the schedule information is related to orthogonal frequency-division multiple access, OFDMA; and transmit the schedule information to the second wireless communication device, characterized in that the PLCP header comprises a legacy field, a field for an 802.11ac compatible terminal, and a field for an OFDMA compatible terminal, wherein the field for an 802.11ac compatible terminal is extended to indicate whether the field for an OFDMA compatible terminal follows the field for an 802.11ac compatible terminal, wherein the field for an OFDMA compatible terminal comprises a plurality of OFDMA-related packets with a first OFDMA-related packet (OFDMA-SIG-1) and a plurality of second OFDMA-related packets (OFDMA-SIG-2-n), wherein a combination of the first OFDMA-related packet (OFDMA-SIG-1) and the plurality of second OFDMA-related packets (OFDMA-SIG-2-n) indicates resources to be used by each user, wherein the first OFDMA-related packet (OFDMA-SIG-1) comprises channel segmentation pattern information related to a resource allocation pattern in frequency domain to be used in wireless communication with the second wireless communication device indicated by a plurality of bits, wherein the plurality of bits is set based on channel width and a number of the plurality of bits is different between a first case in which the channel width corresponds to 40 MHz, a second case in which the channel width corresponds to 80 MHz, and a third case in which the channel width corresponds to 80+80 MHz, and wherein each second OFDMA-related packet of the plurality of second OFDMA-related packets (OFDMA-SIG-2-n) comprises a user identifier ID (OFDMA_User_ID), transmission power and Modulation and Coding Scheme information.