A wireless communication device characterized by: a transmission signal generator that is configured to generate a multi-user aggregate physical layer protocol data unit (300; 400; 500; 600; 700), MU A-PPDU, the MU A-PPDU (300; 400; 500; 600; 700; 300-1) being addressed to a plurality of users and including a leading PPDU (317; 517) and one or more following PPDUs (318, 319; 518, 519); wherein the leading PPDU (317; 517) includes: a legacy preamble (301, 302) that has backward standard compatibility with IEEE 802.11ad standard, and a legacy header that has the backward standard compatibility with IEEE 802.11ad standard; and each of PPDUs (317-319; 517-519), the PPDUs (317-319; 517-519) including the leading PPDU (317; 517) and the one or more following PPDUs (318, 319; 518, 519), includes: a non-legacy preamble (308, 309, 311, 312, 314, 315) that does not have the backward standard compatibility with IEEE 802.11ad standard and is addressed to a corresponding user of the plurality of users, a data field (310, 313, 316) that is addressed to the corresponding user of the plurality of users, and one or more non-legacy headers (304-307; 401-403; 504-507) that do not have the backward standard compatibility with IEEE 802.11ad standard and in which information relating to a corresponding one of the leading PPDU (317; 517) and the one or more following PPDUs (318, 319; 518, 519) is described, wherein said non-legacy headers (304-307; 401-403; 504-507) included in the leading PPDU (317; 517) and the one or more following PPDUs (318, 319; 518, 519) describe destination information (304a, 304b, 304c; 401a) of each of said data fields (310, 313, 316) included in the leading PPDU (317; 517) and the one or more following PPDUs (318, 319; 518, 519) for each user of the plurality of users; and a transmitter that is configured to transmit the MU A-PPDU (300; 400; 500; 600; 700; 300-1) in a wireless manner, wherein, for each of the leading PPDU (317; 517) and the one or more following PPDU (318, 319; 518, 519), the non-legacy preamble (308, 309, 311, 312, 314, 315) and the data field (310, 313, 316) are transmitted by means of a beam that has the directionality controlled for that corresponding user to which the data field (310, 313, 316) of the PPDU is addressed. a transmission signal generator that is configured to generate a multi-user aggregate physical layer protocol data unit (300; 400; 500; 600; 700), MU A-PPDU, the MU A-PPDU (300; 400; 500; 600; 700; 300-1) being addressed to a plurality of users and including a leading PPDU (317; 517) and one or more following PPDUs (318, 319; 518, 519); wherein the leading PPDU (317; 517) includes: a legacy preamble (301, 302) that has backward standard compatibility with IEEE 802.11ad standard, and a legacy header that has the backward standard compatibility with IEEE 802.11ad standard; and a legacy preamble (301, 302) that has backward standard compatibility with IEEE 802.11ad standard, and a legacy header that has the backward standard compatibility with IEEE 802.11ad standard; and each of PPDUs (317-319; 517-519), the PPDUs (317-319; 517-519) including the leading PPDU (317; 517) and the one or more following PPDUs (318, 319; 518, 519), includes: a non-legacy preamble (308, 309, 311, 312, 314, 315) that does not have the backward standard compatibility with IEEE 802.11ad standard and is addressed to a corresponding user of the plurality of users, a data field (310, 313, 316) that is addressed to the corresponding user of the plurality of users, and one or more non-legacy headers (304-307; 401-403; 504-507) that do not have the backward standard compatibility with IEEE 802.11ad standard and in which information relating to a corresponding one of the leading PPDU (317; 517) and the one or more following PPDUs (318, 319; 518, 519) is described, wherein a non-legacy preamble (308, 309, 311, 312, 314, 315) that does not have the backward standard compatibility with IEEE 802.11ad standard and is addressed to a corresponding user of the plurality of users, a data field (310, 313, 316) that is addressed to the corresponding user of the plurality of users, and one or more non-legacy headers (304-307; 401-403; 504-507) that do not have the backward standard compatibility with IEEE 802.11ad standard and in which information relating to a corresponding one of the leading PPDU (317; 517) and the one or more following PPDUs (318, 319; 518, 519) is described, wherein said non-legacy headers (304-307; 401-403; 504-507) included in the leading PPDU (317; 517) and the one or more following PPDUs (318, 319; 518, 519) describe destination information (304a, 304b, 304c; 401a) of each of said data fields (310, 313, 316) included in the leading PPDU (317; 517) and the one or more following PPDUs (318, 319; 518, 519) for each user of the plurality of users; and a transmitter that is configured to transmit the MU A-PPDU (300; 400; 500; 600; 700; 300-1) in a wireless manner, wherein, for each of the leading PPDU (317; 517) and the one or more following PPDU (318, 319; 518, 519), the non-legacy preamble (308, 309, 311, 312, 314, 315) and the data field (310, 313, 316) are transmitted by means of a beam that has the directionality controlled for that corresponding user to which the data field (310, 313, 316) of the PPDU is addressed.