Signal generating method and signal generating device
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United States of America Patent
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Mar 3, 2015
Grant Date -
Jul 24, 2014
app pub date -
Apr 18, 2012
filing date -
Apr 18, 2012
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
A transmission method for transmitting a first modulated signal and a second modulated signal in the same frequency at the same time. Each signal has been modulated according to a different modulation scheme. The transmission method applies precoding on both signals using a fixed precoding matrix, applies different power change to each signal, and regularly changes the phase of at least one of the signals, thereby improving received data signal quality for a reception device.
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