Communication device and communication method
View Patent ↗The purpose of the present invention is to both suppress any decrease in data transmission efficiency in a device for transmitting data and suppress any decrease in received data quality in other devices. This communication device performs communication using a frequency band that is can be used in a wireless system, the communication device comprising a signal processing unit for generating a modulated signal, and a transmission unit for transmitting the modulated signal. The frequency band that can be used in the wireless system is configured from a plurality of channels. The transmission unit transmits the modulated signal using a first channel among the plurality of channels in a first time slot, and transmits the modulated signal using a second channel different from the first channel in a second time slot that follows the first time slot.
1 . A communication apparatus that performs communication using a frequency band available in a radio system, the communication apparatus comprising:
a signal processor that generates a modulation signal; and
a transmitter that transmits the modulation signal, wherein
the frequency band available in the radio system includes a plurality of channels, and
the transmitter
transmits the modulation signal in a first time period using a first channel of the plurality of channels, and
transmits the modulation signal in a second time period following the first time period using a second channel different from the first channel.
2 . The communication apparatus according to claim 1 , wherein:
the transmitter
transmits the modulation signal in the first time period using a first slot for the first channel, and
transmits the modulation signal in a third time period after the second time period using a second slot for the first channel, the second slot differing in frequency band from the first slot.
3 . The communication apparatus according to claim 1 , wherein
the modulation signal is a modulation signal of an Orthogonal Frequency Division Multiplexing (OFDM) symbol.
4 . A communication apparatus that belongs to a first radio system and performs communication using a frequency band available in the first radio system, the communication apparatus comprising:
a signal processor that generates a modulation signal; and
a transmitter that transmits the modulation signal, wherein
the frequency band available in the first radio system overlaps with a frequency band available in a second radio system,
the frequency band available in the second radio system includes a plurality of channels, and
the transmitter
transmits the modulation signal in a first time period using a frequency band which is within the frequency band available in the first radio system and which overlaps with a first channel of the plurality of channels, and
transmits the modulation signal in a second time period following the first time period using the frequency band which is within the frequency band available in the first radio system and which overlaps with a second channel different from the first channel.
5 . The communication apparatus according to claim 4 , wherein:
the transmitter
transmits the modulation signal in the first time period using a first slot for the first channel, and
transmits the modulation signal in a third time period after the second time period using a second slot for the first channel, the second slot differing in frequency band from the first slot.
6 . The communication apparatus according to claim 4 , wherein
the modulation signal is a modulation signal of an Orthogonal Frequency Division Multiplexing (OFDM) symbol.
7 . A communication apparatus that performs communication using a frequency band available in a radio system, the communication apparatus comprising:
a signal processor that generates a modulation signal; and
a transmitter that transmits the modulation signal, wherein
the frequency band available in the radio system includes a plurality of channels, and
the transmitter transmits the modulation signal in a first time period by a first transmit beam using a first channel of the plurality of channels, and transmits the modulation signal in a second time period following the first time period using the first channel by a second transmit beam different from the first transmit beam.
8 . A communication method by a communication apparatus that performs communication using a frequency band available in a radio system, wherein
the frequency band available in the radio system includes a plurality of channels, and
the communication apparatus
generates a modulation signal,
transmits the modulation signal in a first time period using a first channel of the plurality of channels, and
transmits the modulation signal in a second time period following the first time period using a second channel different from the first channel.
9 . A communication method by a communication apparatus that belongs to a first radio system and that performs communication using a frequency band available in the first radio system, wherein
the frequency band available in the first radio system overlaps with a frequency band available in a second radio system,
the frequency band available in the second radio system includes a plurality of channels, and
the communication apparatus
generates a modulation signal,
transmits the modulation signal in a first time period using the frequency band which is within the frequency band available in the first radio system and which overlaps with a first channel of the plurality of channels, and
transmits the modulation signal in a second time period following the first time period using the frequency band which is within the frequency band available in the first radio system and which overlaps with a second channel different from the first channel.