Information processing method and device

1. An information processing method performed in a terminal device, the method comprising:

grouping DL component carriers (CCs) based on a downlink (DL) transmission length; and

sending uplink control information (UCI) based on grouped DL CCs using an uplink (UL) CC, wherein the UCI corresponds to the grouped DL CCs, and transmission lengths of DL CCs in at least one DL CC group of the grouped DL CCs are the same.

2. The method according to claim 1 , wherein the grouping DL CCs based on a DL transmission length comprises:

grouping DL CCs having different DL transmission lengths into different DL CC groups; and

wherein when time division multiplexing (TDM) is used for UL CCs having different transmission lengths, the sending UCI based on grouped DL CCs using a UL CC comprises:

separately sending, using different transmission opportunities in a first UL CC, UCI corresponding to the different DL CC groups, wherein the first UL CC has a smallest transmission length in the UL CCs whose capacity is greater than or equal to a first capacity, and the first capacity is a capacity of UCI corresponding to each of the different DL CC groups.

3. The method according to claim 2 , wherein the sending UCI based on grouped DL CCs by using a UL CC further comprises:

discarding information whose priority is lower than a first preset value in the UCI corresponding to each of the different DL CC groups or M pieces of information with one or more lowest priorities in the UCI corresponding to each of the different DL CC groups; and

separately sending, using different transmission opportunities in a second UL CC, remaining UCI corresponding to the different DL CC groups, wherein the second UL CC has a smallest transmission length in the UL CCs whose capacity is greater than or equal to a second capacity, the second capacity is a capacity of the remaining UCI corresponding to each of the different DL CC groups, and M is an integer greater than or equal to 1.

4. The method according to claim 1 , wherein the grouping DL CCs based on a DL transmission length comprises:

grouping DL CCs having different DL transmission lengths into different DL CC groups; and

wherein when frequency division multiplexing (FDM) is used for UL CCs having different transmission lengths, the sending UCI based on grouped DL CCs using a UL CC comprises:

when a capacity of a third UL CC is greater than or equal to a capacity of UCI corresponding to a first DL CC group, sending, using the third UL CC, the UCI corresponding to the first DL CC group, wherein the first DL CC group is any one of the different DL CC groups, and the third UL CC is a UL CC that has a same transmission length as the first DL CC group.

5. The method according to claim 1 , wherein the grouping DL CCs based on a DL transmission length comprises:

grouping DL CCs having different DL transmission lengths into different DL CC groups; and

wherein the sending UCI based on grouped DL CCs using a UL CC comprises:

sending, using a transmission opportunity in a fourth UL CC, UCI corresponding to the different DL CC groups, wherein the fourth UL CC has a smallest transmission length in UL CCs whose capacity is greater than or equal to a third capacity, and the third capacity is a total capacity of the UCI corresponding to the different DL CC groups.

6. The method according to claim 5 , wherein the sending UCI based on grouped DL CCs using a UL CC further comprises:

sorting, in a descending order of priorities, information in UCI corresponding to each of the different DL CC groups;

discarding K pieces of information in the UCI corresponding to each of the different DL CC groups, wherein the K pieces of information are of one or more lowest priorities or their priorities are lower than a third preset value; and

sending, using one transmission opportunity in a fifth UL CC, remaining UCI corresponding to the different DL CC groups, wherein the fifth UL CC has a smallest transmission length in the UL CCs whose capacity is greater than or equal to a fourth capacity, the fourth capacity is a total capacity of the remaining UCI corresponding to the different DL CC groups, and K is an integer greater than or equal to 1.

7. The method according to claim 5 , wherein the sending UCI based on grouped DL CCs by using a UL CC further comprises:

discarding at least one DL CC group having a lowest priority in the different DL CC groups; and

sending, using one transmission opportunity in a sixth UL CC, UCI corresponding to a remaining DL CC group in the different DL CC groups, wherein the sixth UL CC has a smallest transmission length in the UL CCs whose capacity is greater than or equal to a fifth capacity, and the fifth capacity is a total capacity of the UCI corresponding to the remaining DL CC group in the different DL CC groups.

8. A terminal device, comprising:

a processor configured to group downlink (DL) component carriers (CCs) based on a DL transmission length; and

a transmitter configured to send uplink control information (UCI) using an uplink (UL) CC based on grouped DL CCs obtained by a grouping unit, wherein the UCI corresponds to the grouped DL CCs, and transmission lengths of DL CCs in at least one DL CC group of the grouped DL CCs are all the same.

9. The terminal device according to claim 8 , wherein the processor is configured to group DL CCs having different DL transmission lengths into different DL CC groups; and

wherein when time division multiplexing (TDM) is used for UL CCs having different transmission lengths, the processor is configured to separately send, using different transmission opportunities in a first UL CC, UCI corresponding to the different DL CC groups, wherein the first UL CC has a smallest transmission length in the UL CCs whose capacity is greater than or equal to a first capacity, and the first capacity is a capacity of UCI corresponding to each of the different DL CC groups.

10. The terminal device according to claim 9 , wherein the transmitter is further configured to:

discard information whose priority is lower than a first preset value in UCI corresponding to each of the different DL CC groups or M pieces of information with one or more lowest priorities in the UCI corresponding to each of the different DL CC groups; and

separately send, using different transmission opportunities in a second UL CC, remaining UCI corresponding to the different DL CC groups, wherein the second UL CC has a smallest transmission length in the UL CCs whose capacity is greater than or equal to a second capacity, the second capacity is a capacity of the remaining UCI corresponding to each of the different DL CC groups, and M is an integer greater than or equal to 1.

11. The terminal device according to claim 8 , wherein the processor is configured to group DL CCs having different DL transmission lengths into different DL CC groups; and

wherein when frequency division multiplexing (FDM) is used for UL CCs having different transmission lengths, the transmitter is configured to:

when a capacity of a third UL CC is greater than or equal to a capacity of UCI corresponding to a first DL CC group, send, using the third UL CC, the UCI corresponding to the first DL CC group, wherein the first DL CC group is any one of the different DL CC groups, and the third UL CC is a UL CC that has a same transmission length as the first DL CC group.

12. The terminal device according to claim 8 , wherein the processor is configured to group DL CCs having different DL transmission lengths into different DL CC groups; and

wherein the transmitter is specifically configured to send, using one transmission opportunity in a fourth UL CC, UCI corresponding to the different DL CC groups, wherein the fourth UL CC has a smallest transmission length in UL CCs whose capacity is greater than or equal to a third capacity, and the third capacity is a total capacity of the UCI corresponding to the different DL CC groups.

13. The terminal device according to claim 12 , wherein the transmitter is further configured to:

sort, in a descending order of priorities, information in UCI corresponding to each of the different DL CC groups;

discard K pieces of information in the UCI corresponding to each of the different DL CC groups, wherein the K pieces of information are of one or more lowest priorities or their priorities are lower than a third preset value; and

send, using one transmission opportunity in a fifth UL CC, remaining UCI corresponding to the different DL CC groups, wherein the fifth UL CC is a UL CC having a smallest transmission length in the UL CCs whose capacity is greater than or equal to a fourth capacity, the fourth capacity is a total capacity of the remaining UCI corresponding to the different DL CC groups, and K is an integer greater than or equal to 1.

14. The terminal device according to claim 12 , wherein the transmitter is further configured to:

discard at least one DL CC group having a lowest priority in the different DL CC groups; and

send, using one transmission opportunity in a sixth UL CC, UCI corresponding to a remaining DL CC group in the different DL CC groups, wherein the sixth UL CC has a smallest transmission length in the UL CCs whose capacity is greater than or equal to a fifth capacity, and the fifth capacity is a total capacity of the UCI corresponding to the remaining DL CC group in the different DL CC groups.

15. A non-transitory computer readable storage medium, comprising computer program codes which when executed by a processor cause the processor to perform operations, the operations including:

grouping DL component carriers (CCs) based on a downlink (DL) transmission length; and

sending uplink control information (UCI) based on grouped DL CCs using an uplink UL CC, wherein the UCI corresponds to the grouped DL CCs, and transmission lengths of DL CCs in at least one DL CC group of the grouped DL CCs are the same.

16. The non-transitory computer readable storage medium according to claim 15 , wherein the grouping DL CCs based on a DL transmission length comprises:

grouping DL CCs having different DL transmission lengths into different DL CC groups; and

wherein when time division multiplexing (TDM) is used for UL CCs having different transmission lengths, the sending UCI based on grouped DL CCs using a UL CC comprises:

separately sending, using different transmission opportunities in a first UL CC, UCI corresponding to the different DL CC groups, wherein the first UL CC has a smallest transmission length in the UL CCs whose capacity is greater than or equal to a first capacity, and the first capacity is a capacity of UCI corresponding to each of the different DL CC groups.

17. The non-transitory computer readable storage medium according to claim 16 , wherein the sending UCI based on grouped DL CCs by using a UL CC further comprises:

discarding information whose priority is lower than a first preset value in the UCI corresponding to each of the different DL CC groups or M pieces of information with one or more lowest priorities in the UCI corresponding to each of the different DL CC groups; and

separately sending, using different transmission opportunities in a second UL CC, remaining UCI corresponding to the different DL CC groups, wherein the second UL CC has a smallest transmission length in the UL CCs whose capacity is greater than or equal to a second capacity, the second capacity is a capacity of the remaining UCI corresponding to each of the different DL CC groups, and M is an integer greater than or equal to 1.

18. The non-transitory computer readable storage medium according to claim 15 , wherein the grouping DL CCs based on a DL transmission length comprises:

grouping DL CCs having different DL transmission lengths into different DL CC groups; and

wherein when frequency division multiplexing (FDM) is used for UL CCs having different transmission lengths, the sending UCI based on grouped DL CCs using a UL CC comprises:

when a capacity of a third UL CC is greater than or equal to a capacity of UCI corresponding to a first DL CC group, sending, using the third UL CC, the UCI corresponding to the first DL CC group, wherein the first DL CC group is any one of the different DL CC groups, and the third UL CC is a UL CC that has a same transmission length as the first DL CC group.

19. The non-transitory computer readable storage medium according to claim 15 , wherein the grouping DL CCs based on a DL transmission length comprises:

grouping DL CCs having different DL transmission lengths into different DL CC groups; and

wherein the sending UCI based on grouped DL CCs by using a UL CC comprises:

sending, using one transmission opportunity in a fourth UL CC, UCI corresponding to the different DL CC groups, wherein the fourth UL CC has a smallest transmission length in UL CCs whose capacity is greater than or equal to a third capacity, and the third capacity is a total capacity of the UCI corresponding to the different DL CC groups.

20. The method according to claim 19 , wherein the sending UCI based on grouped DL CCs using a UL CC further comprises:

sorting, in a descending order of priorities, information in UCI corresponding to each of the different DL CC groups;

discarding K pieces of information in the UCI corresponding to each of the different DL CC groups, wherein the K pieces of information are of one or more lowest priorities or their priorities are lower than a third preset value; and

sending, using one transmission opportunity in a fifth UL CC, remaining UCI corresponding to the different DL CC groups, wherein the fifth UL CC has a smallest transmission length in the UL CCs whose capacity is greater than or equal to a fourth capacity, the fourth capacity is a total capacity of the remaining UCI corresponding to the different DL CC groups, and K is an integer greater than or equal to 1.