| 摘要 |
A radio communication device according to the present invention is a radio communication device which adaptively controls directivity of transmission radio signals by use of a plurality of element antennas on the basis of received radio signals received from a counterpart radio communication device that is a communication target radio communication device, the transmission radio signals being to be transmitted to the counterpart radio communication device, the radio communication device comprising: a propagation path state detector configured to detect a fluctuation state of a propagation path to the counterpart radio communication device on the basis of the received radio signal; and a transmission controller configured to control a phase of the transmission radio signal on the basis of the fluctuation state of the propagation path detected by the propagation path state detector.
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