Transmitting apparatus, receiving apparatus, method, and recording medium

1. A transmitting apparatus, comprising:

a processing section configured to:

hold communication between the transmitting apparatus and a receiving apparatus based on a plurality of communication parameter sets in a unit resource;

generate a data signal and a reference signal based on the plurality of communication parameter sets, wherein the plurality of communication parameter sets is different between the data signal and the reference signal;

set at least one of a subcarrier spacing or a symbol length different between the data signal and the reference signal within the unit resource; and

transmit the data signal and the reference signal to the receiving apparatus based on the set at least one of the subcarrier spacing and the symbol length.

2. The transmitting apparatus according to claim 1 , wherein the plurality of communication parameter sets include a communication parameter related to at least one of precoding, filtering, oversampling, a waveform, resource setting, or transmission power.

3. The transmitting apparatus according to claim 2 , wherein the processing section is further configured to use one of first filters different in form between the data signal and the reference signal or second filters of a same form and having different filter factors between the data signal and the reference signal.

4. The transmitting apparatus according to claim 3 , wherein the processing section is further configured to apply a band limiting filter to the data signal and a transmitting side interference cancellation filter to the reference signal.

5. The transmitting apparatus according to claim 3 , wherein the processing section is further configured to:

perform filtering process on the data signal; and

omit the filtering process on the reference signal.

6. The transmitting apparatus according to claim 5 , wherein the processing section is further configured to:

perform oversampling process on the data signal; and

omit the oversampling process on the reference signal.

7. The transmitting apparatus according to claim 2 , wherein the processing section is further configured to:

use a non-orthogonal waveform for the data signal; and

use an orthogonal waveform for the reference signal.

8. The transmitting apparatus according to claim 2 , wherein the processing section is further configured to set transmission power different between the data signal and the reference signal.

9. The transmitting apparatus according to claim 1 , wherein the processing section is further configured to notify the receiving apparatus of information that indicates the plurality of communication parameter sets used for each of the data signal and the reference signal.

10. The transmitting apparatus according to claim 1 , wherein

in a first resource and a second resource having different resource setting in the unit resource, a ratio of a first frequency spacing of reference signals deployed in the first resource to a second frequency spacing of reference signals deployed in the second resource is proportional to or substantially proportional to a ratio of a first subcarrier spacing in the first resource to a second subcarrier spacing in the second resource.

11. The transmitting apparatus according to claim 10 , wherein the processing section is further configured to notify the receiving apparatus of information that indicates deployment of the reference signals.

12. The transmitting apparatus according to claim 1 , wherein

in a first resource and a second resource having different resource setting in the unit resource, a ratio of a first time spacing of reference signals deployed in the first resource to a second time spacing of reference signals deployed in the second resource is proportional to or substantially proportional to a ratio of a first symbol length in the first resource to a second symbol length in the second resource.

13. The transmitting apparatus according to claim 1 , wherein

in a first resource and a second resource having different resource setting in the unit resource, a ratio of a first time spacing of reference signals deployed in the first resource to a second time spacing of reference signals deployed in the second resource is inversely proportional to or substantially inversely proportional to a ratio of a first subcarrier spacing in the first resource to a second subcarrier spacing in the second resource.

14. The transmitting apparatus according to claim 1 , wherein

in a first resource and a second resource having different resource setting in the unit resource, a first frequency spacing and a first time spacing of reference signals deployed in the first resource are either equal to or substantially equal to a second frequency spacing and a second time spacing of reference signals deployed in the second resource.

15. A receiving apparatus, comprising:

a processing section configured to:

hold communication between a transmitting apparatus and the receiving apparatus based on a plurality of communication parameter sets in a unit resource; and

receive a data signal and a reference signal from the transmitting apparatus, wherein

the data signal and the reference signal are generated based on the plurality of communication parameter sets different between the data signal and the reference signal, and

at least one of a subcarrier spacing or a symbol length is set different between the data signal and the reference signal within the unit resource.

16. A method, comprising:

in a transmitting apparatus,

holding communication between the transmitting apparatus and a receiving apparatus based on a plurality of communication parameter sets in a unit resource;

generating a data signal and a reference signal based on the plurality of communication parameter sets, wherein the plurality of communication parameter sets is different between the data signal and the reference signal;

setting at least one of a subcarrier spacing or a symbol length different between the data signal and the reference signal within the unit resource; and

transmitting the data signal and the reference signal to the receiving apparatus based on the set at least one of the subcarrier spacing and the symbol length.

17. A method, comprising:

in a receiving apparatus,

holding communication between a transmitting apparatus and the receiving apparatus based on a plurality of communication parameter sets in a unit resource; and

receiving a data signal and a reference signal from the transmitting apparatus, wherein

the data signal and the reference signal are generated based on the plurality of communication parameter sets different between the data signal and the reference signal, and

at least one of a subcarrier spacing or a symbol length is set different between the data signal and the reference signal within the unit resource.

18. A non-transitory computer-readable medium having stored thereon, computer-executable instructions which, when executed by a transmitting apparatus, cause the transmitting apparatus to execute operations, the operations comprising:

holding communication between the transmitting apparatus and a receiving apparatus based on a plurality of communication parameter sets in a unit resource;

generating a data signal and a reference signal based on the plurality of communication parameter sets, wherein the plurality of communication parameter sets is different between the data signal and the reference signal;

setting at least one of a subcarrier spacing or a symbol length different between the data signal and the reference signal within the unit resource; and

transmitting the data signal and the reference signal to the receiving apparatus.

19. A non-transitory computer-readable medium having stored thereon, computer-executable instructions which, when executed by a receiving apparatus, cause the receiving apparatus to execute operations, the operations comprising:

holding communication between a transmitting apparatus and the receiving apparatus based on a plurality of communication parameter sets in a unit resource; and

receiving a data signal and a reference signal from the transmitting apparatus, wherein

the data signal and the reference signal are generated based on the plurality of communication parameter sets different between the data signal and the reference signal, and

at least one of a subcarrier spacing or a symbol length is set different between the data signal and the reference signal within the unit resource.