Communication apparatus and communication method

1. A communication apparatus, comprising:

communication circuitry configured to perform wireless communication; and

control circuitry configured to control such that information corresponding to a plurality of one-encoding units, in a predetermined transmission unit, to be made a target of re-transmission is notified to the another apparatus, the target of re-transmission being any of the plurality of one-encoding units in the predetermined transmission unit not successfully received at the another apparatus,

wherein, based on quasi-static information notified to the another apparatus, the control circuitry controls, in response to a reply from the another apparatus to the transmission of data to the another apparatus, such that, upon the another apparatus failing to successfully receive only a subset of the plurality of one-encoding units in the predetermined transmission unit, either: a) only the subset of the plurality of one-encoding units in the predetermined transmission unit that the another apparatus fails to receive are re-transmitted to the another apparatus or b) all of the plurality of one-encoding units included in the predetermined transmission unit are re-transmitted to the another apparatus.

2. The communication apparatus according to claim 1 , further comprising:

decision circuitry configured to decide a reception result of data transmitted from the another apparatus,

wherein the control circuitry controls such that the information indicative of which one of the plurality of one-encoding units that the another apparatus fails to receive and all of the plurality of one-encoding units included in the predetermined transmission unit is to be made a target of re-transmission is notified to the another apparatus.

3. The communication apparatus according to claim 2 , wherein:

the another apparatus includes a terminal apparatus, and

the control circuitry controls such that the information is notified to the another apparatus in an associated relationship with information regarding allocation of a resource for allowing the another apparatus to transmit data.

4. The communication apparatus according to claim 3 , wherein the control circuitry controls such that information regarding the plurality of one-encoding units allocated to transmission of new data from among the one or the plurality of one-encoding units included in the predetermined transmission unit is notified to the terminal apparatus.

5. The communication apparatus according to claim 3 , wherein the control circuitry controls such that information indicative of the plurality of one-encoding units to be made a target of re-transmission from among the one or the plurality of one-encoding units included in the predetermined transmission unit is notified to the terminal apparatus.

6. A communication apparatus, comprising:

communication circuitry configured to perform wireless communication; and

control circuitry configured to control, in response to a reply to a transmission of data from the communication apparatus to another apparatus, such that at least a subset of a plurality of one-encoding units in a predetermined transmission unit is re-transmitted to the another apparatus,

wherein the control circuitry:

controls such that information for allowing the another apparatus to specify the plurality of one-encoding units to be made a target of re-transmission is notified to the another apparatus,

performs, based on information regarding the plurality of one-encoding units to be made the target of re-transmission, a predetermined process for predetermined information associated with the plurality of one-encoding units, and

controls such that the predetermined information for which the predetermined process is carried out is notified, as the information for specifying the plurality of one-encoding units, to the another apparatus units in the predetermined transmission unit not successfully received at the another apparatus; and

based on quasi-static information notified to the another apparatus, controlling, in response to a reply from the another apparatus to the transmission of data to the another apparatus, such that, upon the another apparatus failing to successfully receive only a subset of the plurality of one-encoding units in the predetermined transmission unit, either: a) only the subset of the plurality of one-encoding units in the predetermined transmission unit that the another apparatus fails to receive are re-transmitted to the another apparatus or b) all of the plurality of one-encoding units included in the predetermined transmission unit are re-transmitted to the another apparatus.

7. The communication apparatus according to claim 6 , wherein the predetermined information includes an error detection code added to the plurality of one-encoding units to be made the target of re-transmission, an error detection code added to the one-encoding units included in the plurality of one-encoding units or the one-encoding units.

8. The communication apparatus according to claim 6 , wherein the predetermined process includes at least one of scrambling or interleaving.

9. The communication apparatus according to claim 6 , wherein the another apparatus includes a terminal apparatus.

10. The communication apparatus according to claim 6 , wherein the another apparatus includes a base station.

11. A communication method performed by a communication apparatus, comprising:

performing wireless communication;

controlling such that information corresponding to a plurality of one-encoding units, in a predetermined transmission unit, to be made a target of re-transmission is notified to the another apparatus, the target of re-transmission being any of the plurality of one-encoding

wherein information for allowing the another apparatus to specify the plurality of one-encoding units to be made a target of re-transmission is controlled so as to be notified to the another apparatus;

performing, based on information regarding the plurality of one-encoding units to be made the target of re-transmission, a predetermined process for predetermined information associated with the plurality of one-encoding units; and

controlling such that the predetermined information for which the predetermined process is carried out is notified, as the information for specifying the plurality of one-encoding units, to the another apparatus.

12. A communication method performed by a communication apparatus, comprising:

performing wireless communication;

controlling, in response to a reply to transmission of data, in a plurality of one-encoding units in a predetermined transmission unit, to another apparatus, such that at least a subset of the plurality of one-encoding units is re-transmitted to the another apparatus.

13. The method according to claim 12 , wherein the predetermined information includes an error detection code added to the plurality of one-encoding units to be made the target of re-transmission, an error detection code added to the one-encoding units included in the plurality of one-encoding units or the one-encoding units.

14. The method according to claim 12 , wherein the predetermined process includes at least one of scrambling or interleaving.

15. A non-transitory computer-readable program product containing instructions to cause a computer to perform a communication method, the communication method comprising:

performing wireless communication;

controlling such that information corresponding to a plurality of one-encoding units, in a predetermined transmission unit, to be made a target of re-transmission is notified to the another apparatus, the target of re-transmission being any of the plurality of one-encoding units in the predetermined transmission unit not successfully received at the another apparatus; and

based on quasi-static information notified to the another apparatus:

controlling, in response to a reply from the another apparatus to the transmission of data to the another apparatus, such that, upon the another apparatus failing to successfully receive only a subset the plurality of one-encoding units in the predetermined transmission unit, either: a) only the subset of the plurality of one-encoding units in the predetermined transmission unit that the another apparatus fails to receive are re-transmitted to the another apparatus or b) all of the plurality of one-encoding units included in the predetermined transmission unit are re-transmitted to the another apparatus.

16. A non-transitory computer-readable program product containing instructions to cause a computer to perform a communication method, the communication method comprising:

performing wireless communication;

controlling, in response to a reply to transmission of data, in a plurality of one-encoding units in a predetermined transmission unit, to another apparatus, such that at least a subset of the plurality of one-encoding units is re-transmitted to the another apparatus,

wherein information for allowing the another apparatus to specify the plurality of one-encoding units to be made a target of re-transmission is controlled so as to be notified to the another apparatus;

performing, based on information regarding the plurality of one-encoding units to be made the target of re-transmission, a predetermined process for predetermined information associated with the plurality of one-encoding units; and

controlling such that the predetermined information for which the predetermined process is carried out is notified, as the information for specifying the plurality of one-encoding units, to the another apparatus.