Transmission method and transmission apparatus
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United States of America Patent
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Sep 5, 2017
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app pub date -
Dec 16, 2015
filing date -
Jun 30, 2003
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Abstract
A transmission apparatus includes a plurality of antennas and a transmission scheme determination processor that selects one of either a first transmission scheme of transmitting a plurality of signals including a first amount of data in a frame, respectively, from the plurality of antennas, and a second transmission scheme of transmitting a plurality of signals including a second greater amount of data in a frame, respectively, from the plurality of antennas. The apparatus includes a modulation scheme selection processor that selects a modulation scheme among a plurality of modulation schemes and a control processor that controls the transmission scheme determination processor and the modulation scheme selection processor to change the transmission scheme less frequently than the modulation scheme. A transmitter transmits from the plurality of antennas a signal generated based on the selected transmission scheme and the selected modulation scheme.
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