Method and device for transmitting and receiving signal in wireless communication system
A terminal according to one embodiment of the present invention determines and reports a specific codebook-based HARQ-ACK on the basis of the result of receiving a plurality of PDSCHs, and, on the basis of a first-type codebook-based HARQ-ACK having been set for scheduling of the plurality of PDSCHs, the terminal can perform first start symbol and length indicator value (SLIV) pruning on the basis of a set of the SLIVs of PDSCHs, which can be potentially scheduled on each slot of a bundling window determined on the basis of a plurality of candidate PDSCH-to-HARQ feedback timing values, and perform second SLIV pruning on the basis of a set of the SLIVs of PDSCHs, which can be potentially scheduled even on at least one slot that does not belong to the bundling window.
1 . A method performed by a user equipment (UE), the method comprising:
receiving downlink control information (DCI) related to multiple-physical downlink shared channel (PDSCH) scheduling;
receiving a plurality of PDSCHs based on the DCI; and
transmitting hybrid automatic repeat request (HARQ)-acknowledgement (ACK) information for the plurality of PDSCHs, based on HARQ processes each associated with a HARQ process identifier (ID),
wherein, based on that at least one PDSCH related to the DCI overlaps with an uplink (UL) symbol: consecutive HARQ process IDs are assigned for the plurality of PDSCHs in an order, except for the at least one PDSCH that overlaps with the UL symbol.
2 . The method of claim 1 , wherein each of the plurality of PDSCHs is assigned with each of the consecutive HARQ process IDs, respectively, and
wherein the at least one PDSCH that overlaps with the UL symbol is not assigned with any HARQ process ID.
3 . The method of claim 1 , wherein the at least one PDSCH that overlaps with the UL symbol is not received in the UE, and a HARQ process ID is not assigned for the at least one PDSCH not received.
4 . The method of claim 1 , wherein the consecutive HARQ process IDs start from a value provided in the DCI.
5 . The method of claim 1 , wherein the UL symbol is configured through higher layer signaling.
6 . The method of claim 1 , further comprising:
receiving information regarding a plurality of time domain resource allocation (TDRA) rows each having one or more parameter sets,
wherein each of the one or more parameter sets includes a K0 value and a start and length indicator value (SLIV) for a PDSCH, and the K0 value denotes DCI-to-PDSCH slot offset, and
wherein the DCI includes TDRA information related to one of the plurality of TDRA rows.
7 . The method of claim 6 , wherein a number of PDSCHs scheduled by the DCI is determined based on a number of parameter sets included in a row related to the TDRA information.
8 . A non-transitory computer readable medium storing program codes for performing the method of claim 1 .
9 . A device comprising:
at least one memory configured to store instructions; and
at least one processor configured to perform operations based on the instructions, the operations comprising:
receiving downlink control information (DCI) related to multiple-physical downlink shared channel (PDSCH) scheduling;
receiving a plurality of PDSCHs based on the DCI; and
transmitting hybrid automatic repeat request (HARQ)-acknowledgement (ACK) information for the plurality of PDSCHs, based on HARQ processes each associated with a HARQ process identifier (ID),
wherein, based on that at least one PDSCH related to the DCI overlaps with an uplink (UL) symbol: consecutive HARQ process IDs are assigned for the plurality of PDSCHs in an order, except for the at least one PDSCH that overlaps with the UL symbol.
10 . The device of claim 9 , further comprising:
a transceiver,
wherein the device is a user equipment (UE).
11 . The device of claim 9 , wherein the device is a processing device configured to control a user equipment (UE) in a wireless communication system.
12 . A method performed by a base station (BS), the method comprising:
transmitting, to a user equipment (UE), downlink control information (DCI) related to multiple-physical downlink shared channel (PDSCH) scheduling;
transmitting, to the UE, a plurality of PDSCHs based on the DCI; and
receiving hybrid automatic repeat request (HARQ)-acknowledgement (ACK) information for the plurality of PDSCHs, through the UE's HARQ processes each associated with a HARQ process identifier (ID),
wherein, based on that at least one PDSCH related to the DCI overlaps with an uplink (UL) symbol: consecutive HARQ process IDs are assigned for the plurality of PDSCHs in an order, except for the at least one PDSCH that overlaps with the UL symbol.
13 . The method of claim 12 , wherein each of the plurality of PDSCHs is assigned with each of the consecutive HARQ process IDs, respectively, and
wherein the at least one PDSCH that overlaps with the UL symbol is not assigned with any HARQ process ID.
14 . The method of claim 12 , wherein the at least one PDSCH that overlaps with the UL symbol is not transmitted, and a HARQ process ID is not assigned for the at least one PDSCH not transmitted.
15 . The method of claim 12 , wherein the consecutive HARQ process IDs start from a value provided in the DCI.
16 . The method of claim 12 , wherein the UL symbol is configured through higher layer signaling.
17 . The method of claim 12 , further comprising:
transmitting information regarding a plurality of time domain resource allocation (TDRA) rows each having one or more parameter sets,
wherein each of the one or more parameter sets includes a K0 value and a start and length indicator value (SLIV) for a PDSCH, and the K0 value denotes DCI-to-PDSCH slot offset, and
wherein the DCI includes TDRA information related to one of the plurality of TDRA rows.
18 . The method of claim 17 , wherein a number of PDSCHs scheduled by the DCI is determined based on a number of parameter sets included in a row related to the TDRA information.
19 . A non-transitory computer readable medium storing program codes for performing the method of claim 12 .
20 . A device comprising:
at least one memory configured to store instructions; and
at least one processor configured to perform operations based on the instructions, the operations comprising:
transmitting, to a user equipment (UE), downlink control information (DCI) related to multiple-physical downlink shared channel (PDSCH) scheduling;
transmitting, to the UE, a plurality of PDSCHs based on the DCI; and
receiving hybrid automatic repeat request (HARQ)-acknowledgement (ACK) information for the plurality of PDSCHs, through the UE's HARQ processes each associated with a HARQ process identifier (ID),
wherein, based on that at least one PDSCH related to the DCI overlaps with an uplink (UL) symbol: consecutive HARQ process IDs are assigned for the plurality of PDSCHs in an order, except for the at least one PDSCH that overlaps with the UL symbol.