| 摘要 |
A wireless communication apparatus in a MIMO communication system which simultaneously transfers different data at the same frequency using a plurality of antennas is provided. The apparatus includes a plurality of receiving units corresponding to the plurality of antennas, respectively. A control unit of the wireless communication apparatus acknowledges a communication protocol command. The control unit sets, in accordance with the acknowledged command, the power mode of the wireless communication apparatus to one of (1) a power saving off mode in which all the receiving units always operate, (2) a dynamic power saving mode in which only one receiving unit operates normally, and upon receiving a transfer request addressed to the apparatus, all the receiving units operate only during a predetermined period, and (3) a static power saving mode in which only one receiving unit always operates, and no MIMO communication is performed.
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