Information transmission method, terminal, and network device
An information transmission method, a terminal, and a network device are provided, and the method includes: acquiring a non-overlapped candidate Physical Downlink Shared Channel (PDSCH) occasion in a time domain transmission unit; determining, according to the candidate PDSCH occasion, a Hybrid Automatic Repeat Request Acknowledge (HARQ-ACK) codebook corresponding to the time domain transmission unit; transmitting the HARQ-ACK codebook. Wherein, at least one candidate PDSCH occasion in the time domain transmission unit corresponds to at least two pieces of HARQ-ACK information.
1. An information transmission method, applied on a terminal side, comprising:
acquiring a non-overlapped candidate Physical Downlink Shared Channel (PDSCH) occasion in a time domain transmission unit, wherein the time domain transmission unit comprises at least one slot, at least two non-overlapped candidate PDSCH occasions are comprised within one slot;
determining, according to the candidate PDSCH occasion, a Hybrid Automatic Repeat Request Acknowledge (HARQ-ACK) codebook corresponding to the time domain transmission unit; wherein, at least one candidate PDSCH occasion in the time domain transmission unit corresponds to at least two pieces of HARQ-ACK information; transmitting the HARQ-ACK codebook, wherein the HARQ-ACK codebook comprises n*M pieces of HARQ-ACK information, wherein M is a number of non-overlapped candidate PDSCH occasions in the time domain transmission unit, and n is a number of pieces of HARQ-ACK information corresponding to each candidate PDSCH occasion in the time domain transmission unit.
2. The information transmission method according to claim 1 , wherein, n is a predefined value, or
n is a value determined based on terminal capability, or,
n is a number of PDSCH transmission positions comprised in a target candidate PDSCH occasion, wherein the target candidate PDSCH is a candidate PDSCH that comprises most PDSCH transmission positions in the time domain transmission unit.
3. The information transmission method according to claim 1 , wherein the HARQ-ACK codebook comprises Σ m=1 M n m pieces of HARQ-ACK information, wherein M is a number of non-overlapped candidate PDSCH occasions in the time domain transmission unit, and n m is a number of pieces of HARQ-ACK information corresponding to an m-th candidate PDSCH occasion.
4. The information transmission method according to claim 3 , wherein n m is a number of PDSCH transmission positions comprised in the m-th candidate PDSCH occasion.
5. The information transmission method according to claim 3 , wherein n m has a first value when the number of PDSCH transmission positions comprised in the m-th candidate PDSCH occasion is greater than 1;
n m has a second value when the number of PDSCH transmission positions comprised in the m-th candidate PDSCH occasion is equal to 1.
6. The information transmission method according to claim 5 , wherein, the first value and the second value are predefined, or the first value is determined based on terminal capability.
7. The information transmission method according to claim 1 , wherein the HARQ-ACK information comprises N bits, and N is a positive integer.
8. The information transmission method according to claim 1 , wherein a position of HARQ-ACK information in the HARQ-ACK codebook is determined according to a time domain position of a candidate PDSCH occasion corresponding to the HARQ-ACK information.
9. The information transmission method according to claim 1 , wherein the time domain transmission unit comprises at least one slot.
10. A terminal, comprising a processor, a storage and a program stored on the storage and executable by the processor, wherein, the program is executed by the processor to implement steps of an information transmission method, the method comprising:
acquiring a non-overlapped candidate Physical Downlink Shared Channel (PDSCH) occasion in a time domain transmission unit, wherein the time domain transmission unit comprises at least one slot, at least two non-overlapped candidate PDSCH occasions are comprised within one slot;
determining, according to the candidate PDSCH occasion, a Hybrid Automatic Repeat Request Acknowledge (HARQ-ACK) codebook corresponding to the time domain transmission unit; wherein, at least one candidate PDSCH occasion in the time domain transmission unit corresponds to at least two pieces of HARQ-ACK information; transmitting the HARQ-ACK codebook, wherein the HARQ-ACK codebook comprises n*M pieces of HARQ-ACK information, wherein M is a number of non-overlapped candidate PDSCH occasions in the time domain transmission unit, and n is a number of pieces of HARQ-ACK information corresponding to each candidate PDSCH occasion in the time domain transmission unit.
11. The terminal according to claim 10 , wherein, n is a predefined value, or n is a value determined based on terminal capability, or, n is a number of PDSCH transmission positions comprised in a target candidate PDSCH occasion, wherein the target candidate PDSCH is a candidate PDSCH that comprises most PDSCH transmission positions in the time domain transmission unit.
12. The terminal according to claim 10 , wherein the HARQ-ACK codebook comprises Σ m=1 M n m pieces of HARQ-ACK information, wherein M is a number of non-overlapped candidate PDSCH occasions in the time domain transmission unit, and n m is a number of pieces of HARQ-ACK information corresponding to an m-th candidate PDSCH occasion.
13. The terminal according to claim 12 , wherein n m is a number of PDSCH transmission positions comprised in the m-th candidate PDSCH occasion.
14. The terminal according to claim 12 , wherein n m has a first value when the number of PDSCH transmission positions comprised in the m-th candidate PDSCH occasion is greater than 1;
n m has a second value when the number of PDSCH transmission positions comprised in the m-th candidate PDSCH occasion is equal to 1.
15. The terminal according to claim 14 , wherein, the first value and the second value are predefined, or the first value is determined based on terminal capability.
16. The terminal according to claim 10 , wherein the HARQ-ACK information comprises N bits, and N is a positive integer.
17. The terminal according to claim 10 , wherein a position of HARQ-ACK information in the HARQ-ACK codebook is determined according to a time domain position of a candidate PDSCH occasion corresponding to the HARQ-ACK information.
18. A computer readable storage medium, wherein a program is stored on the computer readable storage medium, the program is executed by a processor to implement steps of an information transmission method, the method comprising:
acquiring a non-overlapped candidate Physical Downlink Shared Channel (PDSCH) occasion in a time domain transmission unit, wherein the time domain transmission unit comprises at least one slot, at least two non-overlapped candidate PDSCH occasions are comprised within one slot;
determining, according to the candidate PDSCH occasion, a Hybrid Automatic Repeat Request Acknowledge (HARQ-ACK) codebook corresponding to the time domain transmission unit; wherein, at least one candidate PDSCH occasion in the time domain transmission unit corresponds to at least two pieces of HARQ-ACK information; transmitting the HARQ-ACK codebook, wherein the HARQ-ACK codebook comprises n*M pieces of HARQ-ACK information, wherein M is a number of non-overlapped candidate PDSCH occasions in the time domain transmission unit, and n is a number of pieces of HARQ-ACK information corresponding to each candidate PDSCH occasion in the time domain transmission unit.