Communication device and communication method
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United States of America Patent
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May 22, 2018
Issued Date -
N/A
app pub date -
May 3, 2017
filing date -
Jan 28, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
In MIMO communication, a communication device is provided that transmits a transfer rate request signal while reducing it and reducing the interference and power consumption when the transfer rate request signal is transmitted substantially without lowering the transmission efficiency. A modulation encoding unit encodes and modulates transmission data transmitted to a communication partner and the transfer rate request signal is the plurality of transmission antennas. A transmission unit and a transmission antenna transmit a signal from the modulation encoding unit. A transmission control unit controls transmission of a signal transmitted from the transmission antenna and transmits a transfer rate request signal of one transmission antenna via the transmission antenna according to a comparison result between a difference of the transfer rate request signal in the respective transmission antenna of the communication partner and a predetermined value.
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