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AssigneeSharp Kabushiki Kaisha
InventorsOsamu NAKAMURA, Hiroki TAKAHASHI, Jungo GOTO, Kazunari YOKOMAKURA, Yasuhiro HAMAGUCHI
Estimating the term…
[Object] To estimate a channel with high accuracy by a receiver without an increase in scale or an increase in power consumption of a device because of use of complicated calculation, even when a transmission device or a relay device uses different frequencies. [Solution] A mapping unit that provides a frequency allocation that is different for each of transmit antennas; and a reference signal generator that determines a reference signal sequence for each of the transmit antennas so that the same sequence is transmitted from the transmit antennas with each frequency after the mapping by the mapping unit, are included.
One or a plurality of transmission devices each of which includes one or a plurality of transmit antennas, the transmission device comprising:
A reception device including one or a plurality of receive antennas, the reception device comprising:
A communication system including one or a plurality of transmission devices each of which includes one or a plurality of transmit antennas, and a reception device which includes one or a plurality of receive antennas that receive a signal transmitted from the transmission device,
A transmission method, comprising:
A reception method, comprising:
A communication method, comprising:
A relay device that receives a signal transmitted from one or a plurality of transmission devices and relays the signal to a reception device, the relay device comprising:
A relay method, comprising:
Dependencies are inferred from the claim text.