Hybrid automatic repeat request acknowledgement codebook determination method and device

1. A method of determining a Hybrid Automatic Repeat reQuest-Acknowledgement (HARQ-ACK) codebook performed by a terminal, comprising:

determining a first set of candidate Physical Downlink Shared Channel (PDSCH) reception opportunities according to first information;

determining, according to the first set, HARQ-ACK information transmitted on Physical Uplink Control Channel (PUCCH) resources of a first uplink slot or sub-slot n or a HARQ-ACK codebook transmitted on PUCCH resources of a first uplink slot or sub-slot n;

determining that an uplink slot or an uplink sub-slot is the first uplink slot or sub-slot n, wherein the uplink slot or the uplink sub-slot does not comprise any PUCCH resources indicated by a PDSCH-to-HARQ-feedback timing indicator and a PUCCH resource indicator included in downlink control information, and Semi-Persistent Scheduling (SPS) PDSCH reception satisfying a first condition exists;

wherein the first information comprises at least one of following information:

a set of slot timing values or sub-slot timing values K 1,1 , K 1,2 , . . . , K 1,N used to represent a timing from a PDSCH to a HARQ-ACK;

first configuration information, wherein the first configuration information comprises uplink-downlink configuration information at a cell level or at a user level;

wherein the first condition is that at least one symbol in a HARQ-ACK resource corresponding to the SPS PDSCH is configured or indicated to be downlink or flexible, and most adjacent uplink slot or sub-slot after the HARQ-ACK resource is the uplink slot or uplink sub-slot.

2. The method according to claim 1 , wherein determining the first set of candidate PDSCH reception opportunities according to the first information comprises:

determining a second timing value set {K 1,i , K 1,i +1, . . . , K 1,i +T−1} for each timing value K 1,i in the set of slot timing values or sub-slot timing values, and obtaining a plurality of second timing value sets, wherein T is a first period;

determining a first timing value set comprising all timing values in the plurality of second timing value sets; and

determining the first set of candidate PDSCH reception opportunities based on the first timing value set.

3. The method according to claim 2 , wherein determining the first set of candidate PDSCH reception opportunities according to the first timing value set comprises:

traversing each timing value K 1,X in the first timing value set;

determining at least one first downlink slot corresponding to a first uplink slot or sub-slot n according to the timing value K 1,X ;

judging whether a certain time-domain resource allocation exists in the at least one first downlink slot according to the uplink-downlink configuration information, wherein each symbol in the certain time-domain resource allocation is not configured as uplink by the uplink-downlink configuration information;

if the certain time-domain resource allocation exists, then adding at least one candidate PDSCH reception opportunity into the first set, wherein, the certain time-domain resource allocation is configured by a base station through a high-layer signaling, or is pre-agreed.

4. The method according to claim 2 , wherein,

the first period T is predetermined; or,

the first period T is configured by a base station through a high-layer signaling; or,

the first period T is determined according to the first configuration information.

5. The method according to claim 2 , wherein,

the first period T is an integer, and first periods corresponding to different subcarrier spacings are different.

6. The method according to claim 1 , wherein determining the first set of candidate PDSCH reception opportunities according to the first information comprises:

determining the first set of candidate PDSCH reception opportunities according to a first timing value set, wherein timing values in the first timing value set belong to at least one of following: {K 1,i , K 1,i +1, . . . , K 1,i +T−1}, i=1 . . . . N, N is a total quantity of timing values comprised in the set of slot timing values or sub-slot timing values, and T is a first period.

7. The method according to claim 1 , wherein determining the first set of candidate PDSCH reception opportunities according to the first information comprises:

determining the first set of candidate PDSCH reception opportunities according to a first timing value set,

wherein the first timing value set comprises all positive integers from min{K 1,i } to max{K 1,i +T−1}, T is a first period.

8. The method according to claim 1 , wherein determining, according to the first set, the HARQ-ACK information transmitted on PUCCH resources of the first uplink slot or sub-slot n or the HARQ-ACK codebook transmitted on PUCCH resources of the first uplink slot or sub-slot n comprises:

for each PDSCH reception opportunity in the first set, reserving at least one bit in the HARQ-ACK information, for feeding back HARQ-ACK corresponding to the PDSCH reception opportunity.

9. The method according to claim 1 , wherein the set of slot timing values or sub-slot timing values is predefined, or is configured by a base station through a high-layer signaling.

10. The method according to claim 1 , wherein the first configuration information comprises following Information Elements (IE) configured by a base station through a high-layer signaling:

Time-Division-Duplex (TDD)-Uplink (UL)-Downlink (DL)-ConfigurationCommon, and/or,

TDD-UL-DL-ConfigDedicated.

11. The method according to claim 1 , further comprising at least one of following:

determining that an uplink slot or an uplink sub-slot is the first uplink slot or sub-slot n, wherein the uplink slot or the uplink sub-slot comprises any of target PUCCH resources;

determining that an uplink slot or an uplink sub-slot is the first uplink slot or sub-slot n, wherein the uplink slot or the uplink sub-slot does not comprise any of target PUCCH resources, Semi-Persistent Scheduling (SPS) PDSCH reception satisfying a first condition exists, and a HARQ-ACK codebook is transmitted using PUCCH resources configured by a base station for a SPS PDSCH through a high-layer signaling;

determining that an uplink slot or an uplink sub-slot is the first uplink slot or sub-slot n, wherein the uplink slot or the uplink sub-slot comprises any of target PUCCH resources or SPS PDSCH reception satisfying a first condition exists;

wherein the target PUCCH resources are PUCCH resources indicated by a PDSCH-to-HARQ-feedback timing indicator and a PUCCH resource indicator comprised in Downlink Control Information.

12. A communication device, the communication device being a terminal, comprising:

a processor, a storage and a program stored on the storage and executable by the processor, wherein, when the program is executed by the processor, the processor implements steps of the method according to claim 1 .

13. A non-transitory computer readable storage medium, comprising:

a program stored on the computer readable storage medium, wherein when the program is executed by a processor, the processor implements steps of the method according to claim 1 .

14. A method of determining a Hybrid Automatic Repeat reQuest-Acknowledgement (HARQ-ACK) codebook performed by a base station, comprising:

determining a first set of candidate Physical Downlink Shared Channel (PDSCH) reception opportunities according to first information;

determining, according to the first set, HARQ-ACK information received on Physical Uplink Control Channel (PUCCH) resources of a first uplink slot or sub-slot n or a HARQ-ACK codebook received on PUCCH resources of a first uplink slot or sub-slot n;

determining that an uplink slot or an uplink sub-slot is the first uplink slot or sub-slot n, wherein the uplink slot or the uplink sub-slot does not comprise any of target PUCCH resources indicated by a PDSCH-to-HARQ-feedback timing indicator and a PUCCH resource indicator included in downlink control information, or and Semi-Persistent Scheduling (SPS) PDSCH reception satisfying a first condition exists;

wherein the first information comprises at least one of following information:

a set of slot timing values or sub-slot timing values K 1,1 , K 1,2 , . . . , K 1,N used to represent a timing from a PDSCH to a HARQ-ACK;

first configuration information, wherein the first configuration information comprises uplink-downlink configuration information at a cell level or at a user level;

wherein the first condition is that at least one symbol in a HARQ-ACK resource corresponding to the SPS PDSCH is configured or indicated to be downlink or flexible, and most adjacent uplink slot or sub-slot after the HARQ-ACK resource is the uplink slot or uplink sub-slot.

15. The method according to claim 14 , further comprising at least one of following:

determining that an uplink slot or an uplink sub-slot is the first uplink slot or sub-slot n, wherein the uplink slot or the uplink sub-slot comprises any of target PUCCH resources;

determining that an uplink slot or an uplink sub-slot is the first uplink slot or sub-slot n, wherein the uplink slot or the uplink sub-slot does not comprise any of target PUCCH resources, Semi-Persistent Scheduling (SPS) PDSCH reception satisfying a first condition exists, and a HARQ-ACK codebook is transmitted using PUCCH resources configured by a base station for a SPS PDSCH through a high-layer signaling;

determining that an uplink slot or an uplink sub-slot is the first uplink slot or sub-slot n, wherein the uplink slot or the uplink sub-slot comprises any of target PUCCH resources or SPS PDSCH reception satisfying a first condition exists;

wherein the target PUCCH resources are PUCCH resources indicated by a PDSCH-to-HARQ-feedback timing indicator and a PUCCH resource indicator comprised in Downlink Control Information.

16. A communication device, the communication device being a base station, comprising:

a processor, a storage and a program stored on the storage and executable by the processor, wherein, when the program is executed by the processor, the processor implements steps of the method according to claim 14 .

17. A non-transitory computer readable storage medium, comprising:

a program stored on the computer readable storage medium, wherein when the program is executed by a processor, the processor implements steps of the method according to claim 14 .

18. The method according to claim 14 , wherein the first configuration information comprises following Information Elements (IE) configured by a base station through a high-layer signaling:

Time-Division-Duplex (TDD)-Uplink (UL)-Downlink (DL)-ConfigurationCommon, and/or,

TDD-UL-DL-ConfigDedicated.