Method and device for transmitting uplink control information
A method for transmitting uplink control information is provided. The method includes receiving a Physical Downlink Shared Channel (PDSCH), determining Physical Uplink Control Channel (PUCCH) resources for feeding back Hybrid Automatic repeat Request Acknowledgement (HARQ-ACK) information of the PDSCH, and transmitting a HARQ-ACK of the PDSCH on the PUCCH resources according to at least one of HARQ-ACK timing information, the time domain duration of scheduling unit in a downlink bandwidth part and an uplink bandwidth part, or PUCCH resource indication information. The embodiments of the application further propose a corresponding user equipment and a corresponding computer storage medium.
1. A method performed by a terminal in a communication system, the method comprising:
identifying whether a slot offset of a row among one or more rows for physical downlink shared channel (PDSCH) time domain resource allocation (TDRA) is 0;
identifying whether a start symbol index of a physical downlink control channel (PDCCH) monitoring occasion of the terminal is greater than 0, in case that the slot offset of the row is 0;
generating a row by replacing a start symbol index of the row with a sum of the start symbol index of the PDCCH monitoring occasion and the start symbol index of the row, in case that the start symbol index of the PDCCH monitoring occasion is greater than 0; and
adding the generated row to the one or more rows.
2. The method of claim 1 , wherein each of the one or more rows corresponds to a slot offset from a slot allocated for a PDCCH scheduling a PDSCH to a slot allocated for the PDSCH, a start symbol index of the PDSCH, and a length of the PDSCH.
3. The method of claim 1 , further comprising:
identifying one or more candidate PDSCH receptions for a semi-static hybrid automatic repeat request (HARQ)-acknowledgement (ACK) codebook, based on the one or more rows to which the generated row is added;
identifying one or more HARQ-ACK information bits of the semi-static HARQ-ACK codebook based on the one or more candidate PDSCH receptions; and
transmitting, to a base station, uplink control information (UCI) including the one or more HARQ-ACK information bits on a physical uplink control channel (PUCCH).
4. The method of claim 3 ,
wherein the one or more HARQ-ACK information bits indicate ACK or negative-ACK (NACK) for the one or more candidate PDSCH receptions, respectively, and
wherein a location for each of the one or more HARQ-ACK information bits in the semi-static HARQ-ACK codebook is based on the one or more candidate PDSCH receptions.
5. The method of claim 3 , further comprising:
receiving, from a base station, information for a set of one or more HARQ-ACK timing values,
wherein the one or more candidate PDSCH receptions are further identified based on the set of the one or more HARQ-ACK timing values, and
wherein a resource of the PUCCH is determined based on information indicating the resource included in downlink control information (DCI).
6. A terminal in a communication system, the terminal comprising:
a transceiver; and
a controller configured to:
identify whether a slot offset of a row among one or more rows for physical downlink shared channel (PDSCH) time domain resource allocation (TDRA) is 0,
identify whether a start symbol index of a physical downlink control channel (PDCCH) monitoring occasion of the terminal is greater than 0, in case that the slot offset of the row is 0,
generate a row by replacing a start symbol index of the row with a sum of the start symbol index of the PDCCH monitoring occasion and the start symbol index of the row, in case that the start symbol index of the PDCCH monitoring occasion is greater than 0, and
add the generated row to the one or more rows.
7. The terminal of claim 6 , wherein each of the one or more rows corresponds to a slot offset from a slot allocated for a PDCCH scheduling a PDSCH to a slot allocated for the PDSCH, a start symbol index of the PDSCH, and a length of the PDSCH.
8. The terminal of claim 6 , wherein the controller is further configured to:
identify one or more candidate PDSCH receptions for a semi-static hybrid automatic repeat request (HARQ)-acknowledgement (ACK) codebook, based on the one or more rows to which the generated row is added;
identify one or more HARQ-ACK information bits of the semi-static HARQ-ACK codebook based on the one or more candidate PDSCH receptions; and
transmit, to a base station via the transceiver, uplink control information (UCI) including the one or more HARQ-ACK information bits on a physical uplink control channel (PUCCH).
9. The terminal of claim 8 ,
wherein the one or more HARQ-ACK information bits indicate ACK or negative-ACK (NACK) for the one or more candidate PDSCH receptions, respectively, and
wherein a location for each of the one or more HARQ-ACK information bits in the semi-static HARQ-ACK codebook is based on the one or more candidate PDSCH receptions.
10. The terminal of claim 8 ,
wherein the controller is further configured to:
receive, from a base station via the transceiver, information for a set of one or more HARQ-ACK timing values,
wherein the one or more candidate PDSCH receptions are further identified based on the set of the one or more HARQ-ACK timing values, and
wherein a resource of the PUCCH is determined based on information indicating the resource included in downlink control information (DCI).
11. A method performed by a base station in a communication system, the method comprising:
identifying whether a slot offset of a row among one or more rows for physical downlink shared channel (PDSCH) time domain resource allocation (TDRA) is 0;
identifying whether a start symbol index of a physical downlink control channel (PDCCH) monitoring occasion of a terminal is greater than 0, in case that the slot offset of the row is 0;
generating a row by replacing a start symbol index of the row with a sum of the start symbol index of the PDCCH monitoring occasion and the start symbol index of the row, in case that the start symbol index of the PDCCH monitoring occasion is greater than 0; and
adding the generated row to the one or more rows.
12. The method of claim 11 , wherein each of the one or more rows corresponds to a slot offset from a slot allocated for a PDCCH scheduling a PDSCH to a slot allocated for the PDSCH, a start symbol index of the PDSCH, and a length of the PDSCH.
13. The method of claim 11 , further comprising:
identifying one or more candidate PDSCH transmissions for a semi-static hybrid automatic repeat request (HARQ)-acknowledgement (ACK) codebook, based on the one or more rows to which the generated row is added; and
receiving, from the terminal, uplink control information (UCI) including one or more HARQ-ACK information bits of the semi-static HARQ-ACK codebook on a physical uplink control channel (PUCCH),
wherein the one or more HARQ-ACK information bits are identified based on the one or more candidate PDSCH transmissions.
14. The method of claim 13 ,
wherein the one or more HARQ-ACK information bits indicate ACK or negative-ACK (NACK) for the one or more candidate PDSCH transmissions, respectively, and
wherein a location for each of the one or more HARQ-ACK information bits in the semi-static HARQ-ACK codebook is based on the one or more candidate PDSCH transmissions.
15. The method of claim 13 , further comprising:
transmitting, to the terminal, information for a set of one or more HARQ-ACK timing values,
wherein the one or more candidate PDSCH transmissions are further identified based on the set of the one or more HARQ-ACK timing values, and
wherein a resource of the PUCCH is determined based on information indicating the resource included in downlink control information (DCI).
16. A base station in a communication system, the base station comprising:
a transceiver; and
a controller configured to:
identify whether a slot offset of a row among one or more rows for physical downlink shared channel (PDSCH) time domain resource allocation (TDRA) is 0,
identify whether a start symbol index of a physical downlink control channel (PDCCH) monitoring occasion of a terminal is greater than 0, in case that the slot offset of the row is 0,
generate a row by replacing a start symbol index of the row with a sum of the start symbol index of the PDCCH monitoring occasion and the start symbol index of the row, in case that the start symbol index of the PDCCH monitoring occasion is greater than 0, and
add the generated row to the one or more rows.
17. The base station of claim 16 , wherein each of the one or more rows corresponds to a slot offset from a slot allocated for a PDCCH scheduling a PDSCH to a slot allocated for the PDSCH, a start symbol index of the PDSCH, and a length of the PDSCH.
18. The base station of claim 16 ,
wherein the controller is further configured to:
identify one or more candidate PDSCH transmissions for a semi-static hybrid automatic repeat request (HARQ)-acknowledgement (ACK) codebook,
based on the one or more rows to which the generated row is added, and
receive, from the terminal via the transceiver, uplink control information (UCI) including one or more HARQ-ACK information bits of the semi-static HARQ-ACK codebook on a physical uplink control channel (PUCCH), and
wherein the one or more HARQ-ACK information bits are identified based on the one or more candidate PDSCH transmissions.
19. The base station of claim 18 ,
wherein the one or more HARQ-ACK information bits indicate ACK or negative-ACK (NACK) for the one or more candidate PDSCH transmissions, respectively, and
wherein a location for each of the one or more HARQ-ACK information bits in the semi-static HARQ-ACK codebook is based on the one or more candidate PDSCH transmissions.
20. The base station of claim 18 ,
wherein the controller is further configured to:
transmit, to the terminal via the transceiver, information for a set of one or more HARQ-ACK timing values,
wherein the one or more candidate PDSCH transmissions are further identified based on the set of the one or more HARQ-ACK timing values, and
wherein a resource of the PUCCH is determined based on information indicating the resource included in downlink control information (DCI).