Data transmission method, terminal device, and network device
View Patent ↗A data transmission method, a terminal device, and a network device are provided. The data transmission method includes: receiving a PDSCH; and mapping HARQ-ACK feedback information corresponding to a PDSCH with repetition transmissions at least to a first transmission position for transmission, where the first transmission position is a position corresponding to a last transmission of the repetition transmissions of the PDSCH in a semi-static HARQ-ACK codebook.
1. A data transmission method, applied to a terminal device, comprising:
receiving a physical downlink shared channel (PDSCH); and
mapping hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback information corresponding to repeated transmissions of the PDSCH at least to a first target transmission position in a semi-static HARQ-ACK codebook for transmission, wherein the repeated transmissions of the PDSCH carry identical data,
wherein the first target transmission position in the semi-static HARQ-ACK codebook is a position corresponding to a last transmission of the repeated transmissions of the PDSCH;
wherein the mapping the HARQ-ACK feedback information corresponding to the repeated transmissions of the PDSCH at least to the first target transmission position for transmission comprises:
mapping the HARQ-ACK feedback information corresponding to the repeated transmissions of the PDSCH to the first target transmission position for transmission, and mapping negative acknowledgement (NACK) information to a second target transmission position for transmission,
wherein the second target transmission position is a position in the semi-static HARQ-ACK codebook that corresponds to each transmission of the repeated transmissions of the PDSCH other than the last transmission of the repeated transmissions of the PDSCH;
or,
mapping the HARQ-ACK feedback information corresponding to the repeated transmissions of the PDSCH to the first target transmission position for transmission, and mapping HARQ-ACK feedback information corresponding to a current transmission of the repeated transmissions of the PDSCH to a third target transmission position for transmission,
wherein the third target transmission position is a position in the semi-static HARQ-ACK codebook that corresponds to the current transmission of the repeated transmissions of the PDSCH.
2. The data transmission method according to claim 1 , further comprising:
mapping negative acknowledgement (NACK) information to a position in the semi-static HARQ-ACK codebook that is other than a position corresponding to each transmission of the repeated transmissions of the PDSCH for transmission.
3. A data transmission method, applied to a network device, comprising:
transmitting a physical downlink shared channel (PDSCH); and
receiving hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback information corresponding to repeated transmissions of the PDSCH at least at a first target transmission position in a semi-static HARQ-ACK codebook, wherein the repeated transmissions of the PDSCH carry identical data,
wherein the first target transmission position in the semi-static HARQ-ACK codebook is a position corresponding to a last transmission of the repeated transmissions of the PDSCH;
wherein the receiving the HARQ-ACK feedback information corresponding to the repeated transmissions of the PDSCH at least at the first target transmission position comprises:
receiving the HARQ-ACK feedback information corresponding to the repeated transmissions of the PDSCH at the first target transmission position, and receiving negative acknowledgement (NACK) information at a second target transmission position,
wherein the second target transmission position is a position in the semi-static HARQ-ACK codebook that corresponds to each transmission of the repeated transmissions of the PDSCH other than the last transmission of the repeated transmissions of the PDSCH;
or,
receiving the HARQ-ACK feedback information corresponding to the repeated transmissions of the PDSCH at the first target transmission position, and receiving HARQ-ACK feedback information corresponding to a current transmission of the repeated transmissions of the PDSCH at a third target transmission position,
wherein the third target transmission position is a position in the semi-static HARQ-ACK codebook that corresponds to the current transmission of the repeated transmissions of the PDSCH.
4. The data transmission method according to claim 3 , further comprising:
receiving negative acknowledgement (NACK) information at a position in the semi-static HARQ-ACK codebook that is other than a position corresponding to each transmission of the repeated transmissions of the PDSCH.
5. A terminal device, comprising a storage, a processor, and a computer program stored in the storage and configured to be executed by the processor, wherein the processor is configured to execute the computer program to implement a data transmission method, and the data transmission method comprises:
receiving a physical downlink shared channel (PDSCH); and
mapping hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback information corresponding to repeated transmissions of the PDSCH at least to a first target transmission position in a semi-static HARQ-ACK codebook for transmission, wherein the repeated transmissions of the PDSCH carry identical data,
wherein the first target transmission position in the semi-static HARQ-ACK codebook is a position corresponding to a last transmission of the repeated transmissions of the PDSCH;
wherein the processor is further configured to execute the computer program to implement following steps:
mapping the HARQ-ACK feedback information corresponding to the repeated transmissions of the PDSCH to the first target transmission position for transmission, and mapping negative acknowledgement (NACK) information to a second target transmission position for transmission,
wherein the second target transmission position is a position in the semi-static HARQ-ACK codebook that corresponds to each transmission of the repeated transmissions of the PDSCH other than the last transmission of the repeated transmissions of the PDSCH;
or,
mapping the HARQ-ACK feedback information corresponding to the repeated transmissions of the PDSCH to the first target transmission position for transmission, and mapping HARQ-ACK feedback information corresponding to a current transmission of the repeated transmissions of the PDSCH to a third target transmission position for transmission,
wherein the third target transmission position is a position in the semi-static HARQ-ACK codebook that corresponds to the current transmission of the repeated transmissions of the PDSCH.
6. The terminal device according to claim 5 , wherein the processor is further configured to execute the computer program to implement following step:
mapping negative acknowledgement (NACK) information to a position in the semi-static HARQ-ACK codebook that is other than a position corresponding to each transmission of the repeated transmissions of the PDSCH for transmission.
7. A network device, comprising a storage, a processor, and a computer program stored in the storage and configured to be executed by the processor, wherein the processor is configured to execute the computer program to implement a data transmission method, and the data transmission method comprises:
transmitting a physical downlink shared channel (PDSCH); and
receiving hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback information corresponding to repeated transmissions of the PDSCH at least at a first target transmission position in a semi-static HARQ-ACK codebook, wherein the repeated transmissions of the PDSCH carry identical data,
wherein the first target transmission position in the semi-static HARQ-ACK codebook is a position corresponding to a last transmission of the repeated transmissions of the PDSCH;
wherein the processor is further configured to execute the computer program to implement following steps:
receiving the HARQ-ACK feedback information corresponding to the repeated transmissions of the PDSCH at the first target transmission position, and receiving negative acknowledgement (NACK) information at a second target transmission position,
wherein the second target transmission position is a position in the semi-static HARQ-ACK codebook that corresponds to each transmission of the repeated transmissions of the PDSCH other than the last transmission of the repeated transmissions of the PDSCH;
or,
receiving the HARQ-ACK feedback information corresponding to the repeated transmissions of the PDSCH at the first target transmission position, and receiving HARQ-ACK feedback information corresponding to a current transmission of the repeated transmissions of the PDSCH at a third target transmission position,
wherein the third target transmission position is a position in the semi-static HARQ-ACK codebook that corresponds to the current transmission of the repeated transmissions of the PDSCH.
8. The network device according to claim 7 , wherein the processor is further configured to execute the computer program to implement following step:
receiving negative acknowledgement (NACK) information at a position in the semi-static HARQ-ACK codebook that is other than a position corresponding to each transmission of the repeated transmissions of the PDSCH.