Method and device for transmitting/receiving wireless signal in wireless communication system
The present invention relates to a wireless communication system, and specifically, to a method and a device for the method which comprises the steps of: receiving a PDCCH including uplink scheduling information; and transmitting, at a UL SF, a PUSCH indicated by the uplink scheduling information, wherein, if the PDCCH requests a transmission of an ACK, the PUSCH includes ACK information about a SF set corresponding to the UL SF, wherein the SF set includes a plurality of SFs.
1. A method performed by a device operating in a wireless communication system, the method comprising:
based on a first downlink data reception, determining a first acknowledgement/negative acknowledgement (A/N) result for a first hybrid automatic repeat and request (HARQ) process corresponding to the first downlink data reception, among a plurality of HARQ processes,
generating an A/N payload including a plurality of A/N information corresponding to all of the plurality of HARQ processes, wherein among the plurality of A/N information, first A/N information for the first HARQ process is set such that:
(i) based on the first A/N result for the first HARQ process having not been reported for the first downlink data reception, the first A/N information for the first HARQ process is set to the first A/N result for the first HARQ process, and
(ii) based on the first A/N result for the first HARQ process having been reported for the first downlink data reception, the first A/N information for the first HARQ process is set to “NACK”; and
transmitting the A/N payload including the plurality of A/N information corresponding to all of the plurality of HARQ processes.
2. The method of claim 1 , wherein the A/N payload including the plurality of A/N information is transmitted in a single Physical Uplink Control Channel (PUCCH) transmission.
3. The method of claim 2 , wherein the single PUCCH transmission of the A/N payload is scheduled by Downlink Control Information (DCI) to be performed K time intervals after the device receives the DCI.
4. The method of claim 1 , wherein the first downlink data reception is a Physical Downlink Shared Channel (PDSCH) reception.
5. The method of claim 1 , wherein the transmitting of the A/N payload is scheduled by Downlink Control Information (DCI) to be performed K time intervals after the device receives the DCI.
6. The method of claim 1 , further comprising:
based on a second downlink data reception, determining a second A/N result for a second HARQ process corresponding to the second downlink data reception, among the plurality of HARQ processes,
wherein among the plurality of A/N information in the A/N payload, second A/N information for the second HARQ process is set such that:
(i) based on the second A/N result for the second HARQ process having not been reported for the second downlink data reception, the second A/N information for the second HARQ process is set to the second A/N result for the second HARQ process, and
(ii) based on the second A/N result for the second HARQ process having been reported for the second downlink data reception, the second A/N information for the second HARQ process is set to “NACK,”
wherein the A/N payload includes both the first A/N information and the second A/N information as part of the plurality of A/N information corresponding to all of the plurality of HARQ processes.
7. The method of claim 6 , wherein the first downlink data reception and the second downlink data reception are received by the device at different times.
8. The method of claim 7 , wherein both the first A/N information and the second A/N information are transmitted in the A/N payload in a single Physical Uplink Control Channel (PUCCH) transmission.
9. The method of claim 1 , wherein the plurality of HARQ processes are indexed by N HARQ process numbers n=1, . . . , N, and
wherein the A/N payload includes the plurality of A/N information for all N of the HARQ process numbers such that, for each HARQ process number n:
(i) based on an A/N result for HARQ process number n having not been reported, A/N information for the HARQ process number n is set to the A/N result for the HARQ process number n, and
(ii) based on the A/N result for HARQ process number n having been reported, the A/N information for the HARQ process number n is set to “NACK.”
10. A device configured to operate in a wireless communication system, the device comprising:
at least one processor; and
at least one computer-readable memory storing instructions that, based on being executed by the at least one processor, control the device to perform operations comprising:
based on a first downlink data reception, determining a first acknowledgement/negative acknowledgement (A/N) result for a first hybrid automatic repeat and request (HARQ) process corresponding to the first downlink data reception, among a plurality of HARQ processes,
generating an A/N payload including a plurality of A/N information corresponding to all of the plurality of HARQ processes, wherein among the plurality of A/N information, first A/N information for the first HARQ process is set such that:
(i) based on the first A/N result for the first HARQ process having not been reported for the first downlink data reception, the first A/N information for the first HARQ process is set to the first A/N result for the first HARQ process, and
(ii) based on the first A/N result for the first HARQ process having been reported for the first downlink data reception, the first A/N information for the first HARQ process is set to “NACK”; and
transmitting the A/N payload including the plurality of A/N information corresponding to all of the plurality of HARQ processes.
11. The device of claim 10 , wherein the A/N payload including the plurality of A/N information is transmitted in a single Physical Uplink Control Channel (PUCCH) transmission.
12. The device of claim 11 , wherein the single PUCCH transmission of the A/N payload is scheduled by Downlink Control Information (DCI) to be performed K time intervals after the device receives the DCI.
13. The device of claim 10 , wherein the first downlink data reception is a Physical Downlink Shared Channel (PDSCH) reception.
14. The device of claim 10 , wherein the transmitting of the A/N payload is scheduled by Downlink Control Information (DCI) to be performed K time intervals after the device receives the DCI.
15. The device of claim 10 , wherein the operations further comprise:
based on a second downlink data reception, determining a second A/N result for a second HARQ process corresponding to the second downlink data reception, among the plurality of HARQ processes,
wherein among the plurality of A/N information in the A/N payload, second A/N information for the second HARQ process is set such that:
(i) based on the second A/N result for the second HARQ process having not been reported for the second downlink data reception, the second A/N information for the second HARQ process is set to the second A/N result for the second HARQ process, and
(ii) based on the second A/N result for the second HARQ process having been reported for the second downlink data reception, the second A/N information for the second HARQ process is set to “NACK,”
wherein the A/N payload includes both the first A/N information and the second A/N information as part of the plurality of A/N information corresponding to all of the plurality of HARQ processes.
16. The device of claim 15 , wherein the first downlink data reception and the second downlink data reception are received by the device at different times.
17. The device of claim 16 , wherein both the first A/N information and the second A/N information are transmitted in the A/N payload in a single Physical Uplink Control Channel (PUCCH) transmission.
18. The device of claim 10 , wherein the plurality of HARQ processes are indexed by N HARQ process numbers n=1, . . . N, and
wherein the A/N payload includes the plurality of A/N information for all N of the HARQ process numbers such that, for each HARQ process number n:
(i) based on an A/N result for HARQ process number n having not been reported, A/N information for the HARQ process number n is set to the A/N result for the HARQ process number n, and
(ii) based on the A/N result for HARQ process number n having been reported, the A/N information for the HARQ process number n is set to “NACK.”
19. At least one computer-readable memory storing instructions that, based on being executed by at least one processor, control a device to perform operations in a wireless communication system, the operations comprising:
based on a first downlink data reception, determining a first acknowledgement/negative acknowledgement (A/N) result for a first hybrid automatic repeat and request (HARQ) process corresponding to the first downlink data reception, among a plurality of HARQ processes,
generating an A/N payload including a plurality of A/N information corresponding to all of the plurality of HARQ processes, wherein among the plurality of A/N information, first A/N information for the first HARQ process is set such that:
(i) based on the first A/N result for the first HARQ process having not been reported for the first downlink data reception, the first A/N information for the first HARQ process is set to the first A/N result for the first HARQ process, and
(ii) based on the first A/N result for the first HARQ process having been reported for the first downlink data reception, the first A/N information for the first HARQ process is set to “NACK”; and
transmitting the A/N payload including the plurality of A/N information corresponding to all of the plurality of HARQ processes.
20. The at least one computer-readable memory of claim 19 , wherein the A/N payload including the plurality of A/N information is transmitted in a single Physical Uplink Control Channel (PUCCH) transmission.