Data transmission method, terminal device and network device
View Patent ↗A data transmission method, a terminal device and a network device are provided. The method includes: receiving PDSCH; determining a size of a semi-static HARQ-ACK codebook according to a number of repetition transmissions of the PDSCH; and performing a corresponding HARQ-ACK feedback for the PDSCH with repetition transmissions according to the determined size of the semi-static HARQ-ACK codebook.
1. A data transmission method applied to a terminal device, comprising:
receiving Physical Downlink Shared Channel (PDSCH);
determining a size of a semi-static Hybrid Automatic Repeat Request-Acknowledge (HARQ-ACK) codebook according to a number of repetition transmissions of the PDSCH; and
performing a corresponding HARQ-ACK feedback for the PDSCH with repetition transmissions according to the determined size of the semi-static HARQ-ACK codebook,
wherein determining a size of a semi-static Hybrid Automatic Repeat Request-Acknowledge (HARQ-ACK) codebook according to a number of repetition transmissions of the PDSCH comprises:
determining a quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in a slot or in a Physical Uplink Control Channel (PUCCH) according to the number of repetition transmissions of the PDSCH and a quantity of downlink transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH; and
determining the size of the semi-static HARQ-ACK codebook according to the quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH.
2. The method according to claim 1 , wherein
the quantity of downlink transmissions with associated HARQ-ACK feedback in a slot or in a PUCCH may be at least one of:
the quantity of downlink transmissions determined according to each value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK;
the quantity of downlink transmissions determined according to a range of slot determined by a maximum value and a minimum value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK;
the quantity of downlink transmissions determined according to each value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK and a time domain resource allocation candidate set for a downlink transmission in each slot;
the quantity of downlink transmissions determined according to a range of slot determined by a maximum value and a minimum value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK and a time domain resource allocation candidate set for a downlink transmission in each slot.
3. The method according to claim 2 , wherein determining the quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in a slot or in a Physical Uplink Control Channel (PUCCH) according to the number of repetition transmissions of the PDSCH and a quantity of downlink transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH comprises:
calculating the quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH according to a formula
M
=
⌈
B
A
⌉
,
wherein M is the quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH, B is the quantity of downlink transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH, and A is the number of repetition transmissions of PDSCHs, ┌┐ is a rounded up operator; and/or
wherein performing a corresponding HARQ-ACK feedback for the PDSCH with repetition transmissions according to the determined size of the semi-static HARQ-ACK codebook comprises:
mapping HARQ-ACK feedback information corresponding to the PDSCH with repetition transmissions to the semi-static HARQ-ACK codebook according to the position of the PDSCH with repetition transmissions within the quantity of M PDSCHs with repetition transmission with associated HARQ-ACK feedback in the slot or in the PUCCH.
4. The method according to claim 3 , wherein if a position of the last transmission of repetition transmissions of a PDSCH corresponds to positions (A*i+l)th to (A*(i+1))th of B downlink transmission positions, the PDSCH with repetition transmissions is the (i+l)th PDSCH with repetition transmissions within the quantity of M PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH, and i is a positive integer greater than or equal to 0.
5. The method according to claim 1 , wherein the HARQ-ACK feedback information corresponding to the PDSCH with repetition transmissions is HARQ-ACK feedback information corresponding to the last transmission of the PDSCH with repetition transmissions.
6. A data transmission method applied to a network device, comprising:
transmitting PDSCH;
determining a size of a semi-static HARQ-ACK codebook according to a number of repetition transmissions of the PDSCH;
receiving HARQ-ACK feedback information corresponding to the PDSCH with repetition transmissions according to the determined size of the semi-static HARQ-ACK codebook,
wherein determining a size of a semi-static HARQ-ACK codebook according to a number of repetition transmissions of the PDSCH comprises:
determining a quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in a slot or in a PUCCH according to the number of repetition transmissions of the PDSCH and a quantity of downlink transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH; and
determining the size of the semi-static HARQ-ACK codebook according to the quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH.
7. The method according to claim 6 , wherein
the quantity of downlink transmissions with associated HARQ-ACK feedback in a slot or in a PUCCH may be at least one of:
the quantity of downlink transmissions determined according to each value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK;
the quantity of downlink transmissions determined according to a range of slot determined by a maximum value and a minimum value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK;
the quantity of downlink transmissions determined according to each value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK and a time domain resource allocation candidate set for a downlink transmission in each slot;
the quantity of downlink transmissions determined according to a range of slot determined by a maximum value and a minimum value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK and a time domain resource allocation candidate set for a downlink transmission in each slot.
8. The method according to claim 7 , wherein determining the quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in a slot or in a Physical Uplink Control Channel (PUCCH) according to the number of repetition transmissions of the PDSCH and a quantity of downlink transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH comprises:
calculating the quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH according to a formula
M
=
⌈
B
A
⌉
,
wherein M is the quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH, B is the quantity of downlink transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH, and A is the number of repetition transmissions of PDSCHs, ┌┐ is a rounded up operator; and/or
wherein receiving HARQ-ACK feedback information corresponding to the PDSCH with repetition transmissions according to the determined size of the semi-static HARQ-ACK codebook comprises:
receiving HARQ-ACK feedback information corresponding to the PDSCH with repetition transmissions in a corresponding position of the semi-static HARQ-ACK codebook according to the position of the PDSCH with repetition transmissions within the quantity of M PDSCHs with repetition transmission with associated HARQ-ACK feedback in the slot or in the PUCCH.
9. The method according to claim 8 , wherein if a position of the last transmission of repetition transmissions of a PDSCH corresponds to positions (A*i+l)th to (A*(i+1))th of B downlink transmission positions, the PDSCH with repetition transmissions is the (i+l)th PDSCH with repetition transmissions within the quantity of M PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH, and i is a positive integer greater than or equal to 0.
10. The data transmission method according to claim 6 , wherein the HARQ-ACK feedback information corresponding to the PDSCH with repetition transmissions is HARQ-ACK feedback information corresponding to the last transmission of the PDSCH with repetition transmissions.
11. A terminal device, comprising a transceiver, a memory, a processor, and a computer program stored on the memory and executed by the processor, wherein
the transceiver is configured to receive PDSCH;
the processor is configured to determine a size of a semi-static Hybrid Automatic Repeat Request-Acknowledge (HARQ-ACK) codebook according to a number of repetition transmissions of the PDSCH; and perform a corresponding HARQ-ACK feedback for the PDSCH with repetition transmissions according to the determined size of the semi-static HARQ-ACK codebook,
wherein the processor is further configured to:
determine a quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in a slot or in a Physical Uplink Control Channel (PUCCH) according to the number of repetition transmissions of the PDSCH and a quantity of downlink transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH; and
determine the size of the semi-static HARQ-ACK codebook according to the quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH.
12. The terminal device according to claim 11 ,
wherein the quantity of downlink transmissions with associated HARQ-ACK feedback in a slot or in a PUCCH may be at least one of:
the quantity of downlink transmissions determined according to each value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK;
the quantity of downlink transmissions determined according to a range of slot determined by a maximum value and a minimum value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK;
the quantity of downlink transmissions determined according to each value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK and a time domain resource allocation candidate set for a downlink transmission in each slot;
the quantity of downlink transmissions determined according to a range of slot determined by a maximum value and a minimum value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK and a time domain resource allocation candidate set for a downlink transmission in each slot.
13. The terminal device according to claim 12 , wherein the processor is further configured to:
calculate the quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH according to a formula
M
=
⌈
B
A
⌉
,
wherein M is the quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH, B is the quantity of downlink transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH, and A is the number of repetition transmissions of PDSCHs, ┌┐ is a rounded up operator; and/or
wherein the transceiver is further configured to:
map HARQ-ACK feedback information corresponding to the PDSCH with repetition transmissions to the semi-static HARQ-ACK codebook according to the position of the PDSCH with repetition transmissions within the quantity of M PDSCHs with repetition transmission with associated HARQ-ACK feedback in the slot or in the PUCCH.
14. The terminal device according to claim 13 , wherein if a position of the last transmission of repetition transmissions of a PDSCH corresponds to positions (A*i+l)th to (A*(i+1))th of B downlink transmission positions, the PDSCH with repetition transmissions is the (i+l)th PDSCH with repetition transmissions within the quantity of M PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH, and i is a positive integer greater than or equal to 0.
15. The terminal device according to claim 11 , wherein the HARQ-ACK feedback information corresponding to the PDSCH with repetition transmissions is HARQ-ACK feedback information corresponding to the last transmission of the PDSCH with repetition transmissions.
16. A network device comprising a transceiver, a memory, a processor, and a computer program stored on the memory and executed by the processor, wherein
the transceiver is configured to: transmit PDSCH;
the processor is configured to determine a size of a semi-static HARQ-ACK codebook according to a number of repetition transmissions of the PDSCH;
the transceiver is further configured to receive HARQ-ACK feedback information corresponding to the PDSCH with repetition transmissions according to the determined size of the semi-static HARQ-ACK codebook,
wherein the processor is further configured to:
determine a quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in a slot or in a PUCCH according to the number of repetition transmissions of the PDSCH and a quantity of downlink transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH; and
determine the size of the semi-static HARQ-ACK codebook according to the quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH.
17. The network device according to claim 16 ,
wherein the quantity of downlink transmissions with associated HARQ-ACK feedback in a slot or in a PUCCH is at least one of the following: the quantity of downlink transmissions determined according to each value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK; the quantity of downlink transmissions determined according to a range of slot determined by a maximum value and a minimum value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK; the quantity of downlink transmissions determined according to each value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK and a time domain resource allocation candidate set for a downlink transmission in each slot; the quantity of downlink transmissions determined according to a range of slot determined by a maximum value and a minimum value in a feedback timing set for the timing between the PDSCH and a corresponding HARQ-ACK and a time domain resource allocation candidate set for a downlink transmission in each slot.
18. The network device according to claim 17 , wherein the processor is further configured to:
calculate the quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH according to a formula
M
=
⌈
B
A
⌉
,
wherein M is the quantity of PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH, B is the quantity of downlink transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH, and A is the number of repetition transmissions of PDSCHs, ┌┐ is a rounded up operator; and/or
the transceiver is configured to:
receive HARQ-ACK feedback information corresponding to the PDSCH with repetition transmissions in a corresponding position of the semi-static HARQ-ACK codebook according to the position of the PDSCH with repetition transmissions within the quantity of M PDSCHs with repetition transmission with associated HARQ-ACK feedback in the slot or in the PUCCH.
19. The network device according to claim 18 , wherein if a position of the last transmission of repetition transmissions of a PDSCH corresponds to positions (A*i+l)th to (A*(i+1))th of B downlink transmission positions, the PDSCH with repetition transmissions is the (i+l)th PDSCH with repetition transmissions within the quantity of M PDSCHs with repetition transmissions with associated HARQ-ACK feedback in the slot or in the PUCCH, and i is a positive integer greater than or equal to 0.
20. The network device according to claim 16 , wherein the HARQ-ACK feedback information corresponding to the PDSCH with repetition transmissions is HARQ-ACK feedback information corresponding to the last transmission of the PDSCH with repetition transmissions.