Nippon Telegraph and Telephone Corporation

Kengo Nataga

Atsushi Ohta

Shinya Otsuki

Kazuyoshi Saito

Satoru Aikawa

Tomoaki Kumagai

Akinori Hirukawa

When a transmission rate of each of lines that transmit data simultaneously between two STAs by using a plurality of radio channels and/or MIMO can be set independently, one data frame is fragmented in accordance with the transmission rates of the respective lines so as to generate a plurality of data packets having the same packet time length and data sizes equal to or smaller than a maximum data size. Those data packets are transmitted simultaneously by using a plurality of radio channels, or one radio channel and MIMO, or a plurality of radio channels and MIMO.

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Kanagawa, Japan

Kengo Nataga