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US 11,943,032 B2Granted
Method of signal generation 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 simultaneously transmitting a first modulated signal and a second modulated signal at a common frequency performs precoding on both signals using a fixed precoding matrix and regularly changes the phase of at least one of the signals, thereby improving received data signal quality for a reception device.
Claims2
A mobile terminal comprising:
- a wireless communication circuit;
- and
- a processor configured to switch between a first communication mode and a second communication mode, wherein
- in the first communication mode, the wireless communication circuit receives first data and second data from a first base station and a second base station in a first frequency band and a second frequency band, respectively, at an identical time, the first data being identical to the second data, and the first frequency band being identical to the second frequency band, and
- in the second communication mode, the wireless communication circuit receives third data from the first base station in a third frequency band or the wireless communication circuit receives fourth data from the second base station in a fourth frequency band, the third data being different from the fourth data, and the third frequency band being different from the fourth frequency band.
2 more elements
Dependencies are inferred from the claim text.