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US 11,909,492 B2Granted
Signal generating method and signal generating device
AssigneeSun Patent Trust
InventorsYutaka Murakami, Tomohiro Kimura, Mikihiro Ouchi
Life of this patent
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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 sheme. 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.
Claims1
A mobile terminal comprising:
- a wireless communication circuit;
- and
- a processor configured to control the wireless communication circuit to receive (i) first data from a first base station in a first frequency band and (ii) second data from a second base station in a second frequency band, the first data being different from the second data, the first frequency band being different from the second frequency band, wherein
- in a first mode, the wireless communication circuit receives from the first base station a first signal carrying the first data on which phase change has been performed, and
- in a second mode different from the first mode, the wireless communication circuit receives from the first base station a second signal carrying the first data on which phase change has not been performed.
2 more elements
Dependencies are inferred from the claim text.