Communication device and communication method
[Object] To provide a communication device that enables degradation in the quality of communication between a base station device and a terminal device to be avoided when a sidelink channel is set. [Solution] There is provided a communication device including: a control unit configured to allocate a predetermined gap to a boundary of a resource of a channel to be used in inter-device communication with a resource other than the resource of the channel in a communication system in which signals from different transmission sources are mixed and placed.
1. A communication device comprising:
circuitry configured to allocate a resource block comprising a resource gap at each end of the resource block of a channel to be used in inter-device communication in a communication system in which signals from different transmission sources are mixed and placed,
wherein the channel is a sidelink channel used for communications between the communication device and at least one terminal device,
wherein the resource gap is a frequency resource gap between the sidelink channel and a downlink channel, and the downlink channel is used for communications between the communication device and a base station,
wherein gap carriers are scheduled during the resource gap, a first amount of power allocated to the gap carriers is lower than a second amount of power allocated to other resources in the resource block, and the first amount of power is non-zero, and
wherein the circuitry is configured to set a bandwidth of the resource gap to an integer multiple of subcarrier spacing to be used in a corresponding frequency resource.
2. The communication device according to claim 1 , wherein the circuitry sets the channel to be used in the inter-device communication using at least part of an uplink radio resource, a downlink radio resource, and a radio resource of an unlicensed band in the communication system.
3. The communication device according to claim 2 , wherein the circuitry allocates the resource block to the channel to be used in the inter-device communication only when the downlink radio resource is used to set the channel to be used in the inter-device communication.
4. The communication device according to claim 1 , wherein the circuitry sets the resource gap at an end of a plurality of unit frequency resources that are continuous in a frequency direction in a case in which the plurality of unit frequency resources that are continuous are associated with a same device.
5. The communication device according to claim 1 , wherein the circuitry performs control of giving notification of a setting of the resource gap through system information or downlink control information.
6. A communication device comprising:
circuitry configured to control communication using a resource block comprising a resource gap at each end of the resource block of a channel to be used in inter-device communication in a communication system in which signals from different transmission sources are mixed and placed,
wherein the channel is a sidelink channel used for communications between the communication device and at least one terminal device,
wherein the resource gap is a frequency resource gap between the sidelink channel and a downlink channel, and the downlink channel is used for communications between the communication device and a base station,
wherein gap carriers are scheduled during the resource gap, a first amount of power allocated to the gap carriers is lower than a second amount of power allocated to other resources in the resource block, and the first amount of power is non-zero, and
wherein the circuitry is configured to set a bandwidth of the resource gap to an integer multiple of subcarrier spacing to be used in a corresponding frequency resource.
7. A communication method comprising:
allocating a resource block comprising a resource gap at each end of the resource block of a channel to be used in inter-device communication in a communication system in which signals from different transmission sources are mixed and placed; and
setting a bandwidth of the resource gap to an integer multiple of subcarrier spacing to be used in a corresponding frequency resource,
wherein the channel is a sidelink channel used for communications between a plurality of terminal devices,
wherein the resource gap is a frequency resource gap between the sidelink channel and a downlink channel, and the downlink channel is used for communications with a base station, and
wherein gap carriers are scheduled during the resource gap, a first amount of power allocated to the gap carriers is lower than a second amount of power allocated to other resources in the resource block, and the first amount of power is non-zero.
8. A communication device comprising:
circuitry configured to allocate a resource block comprising a resource gap at each end of the resource block in a frequency direction in a communication system in which signals from different transmission sources are multiplexed in the frequency direction within one frequency channel,
wherein the frequency channel is a sidelink channel used for communications between the communication device and at least one terminal device,
wherein the resource gap is a frequency resource gap between the sidelink channel and a downlink channel, and the downlink channel is used for communications between the communication device and a base station,
wherein gap carriers are scheduled during the resource gap, a first amount of power allocated to the gap carriers is lower than a second amount of power allocated to other resources in the resource block, and the first amount of power is non-zero, and
wherein the circuitry is configured to set a bandwidth of the resource gap to an integer multiple of subcarrier spacing to be used in a corresponding frequency resource.
9. The communication device according to claim 8 , wherein, in a case in which signals corresponding to the resource block and to an adjacent resource block in the frequency direction are signals in a same direction, the not allocate the resource block comprising the resource gap at each end of the resource block.
10. The communication device according to claim 8 , wherein the circuitry causes an uplink radio resource and a downlink radio resource to be multiplexed within the one frequency channel.
11. The communication device according to claim 10 , wherein the-circuitry notifies a terminal device of a setting pattern of a link within the one frequency channel.
12. The communication device according to claim 11 , wherein the circuitry gives notification of the setting pattern for every predetermined number of subframes.
13. The communication device according to claim 10 , wherein the circuitry further causes resources of a channel to be used in inter-device communication to be multiplexed within the one frequency channel.
14. The communication device according to claim 8 , wherein the circuitry sets transmission power in consideration of the resource gap.
15. A communication control method comprising:
allocating a resource block comprising a resource gap at each end of the resource block in a frequency direction in a communication system in which signals from different transmission sources are multiplexed in the frequency direction within one frequency channel; and
setting a bandwidth of the resource gap to an integer multiple of subcarrier spacing to be used in a corresponding frequency resource,
wherein the frequency channel is a sidelink channel used for communications between a plurality of terminal devices,
wherein the resource gap is a frequency resource gap between the sidelink channel and a downlink channel, and the downlink channel is used for communications with a base station, and
wherein gap carriers are scheduled during the resource gap, a first amount of power allocated to the gap carriers is lower than a second amount of power allocated to other resources in the resource block, and the first amount of power is non-zero.