Method for transmitting or receiving signal in wireless communication system and device therefor

1. A method of transmitting an uplink signal by a user equipment in a wireless communication system, the method comprising:

receiving a first semi-persistent scheduling (SPS) configuration for a first SPS-based physical uplink shared channel (PUSCH) wherein the first SPS configuration configures (i) a time duration of first SPS intervals of the first SPS-based PUSCH, and (iii) a number of repetitions of the first SPS-based PUSCH within each first SPS interval;

receiving a second SPS configuration for a second SPS-based PUSCH, wherein the second SPS configuration configures a time duration of second SPS intervals of the second SPS-based PUSCH;

based on the first SPS configuration, (i) performing an initial first SPS-based PUSCH transmission in a first SPS interval and (ii) performing repeated first SPS-based PUSCH transmissions based on the number of repetitions, wherein the repeated first SPS-based PUSCH transmissions comprise repeated transmissions of the first SPS-based PUSCH within the first SPS interval, and wherein the initial first SPS-based PUSCH transmission and the repeated first SPS-based PUSCH transmissions are sequentially located within the first SPS interval;

determining whether the user equipment is scheduled to perform, in a second SPS interval, an initial second SPS-based PUSCH transmission that overlaps, in a time domain, with at least one of the repeated first SPS-based PUSCH transmissions which are ongoing in the first SPS interval; and

based on a determination that the initial second SPS-based PUSCH transmission is scheduled to overlap with at least one of the repeated first SPS-based PUSCH transmissions, performing the ongoing repeated first SPS-based PUSCH transmissions without performing the initial second SPS-based PUSCH transmission.

2. The method according to claim 1 , wherein the repeated first SPS-based PUSCH transmissions are performed over a plurality of time intervals (TTIs) based on the first SPS configuration.

3. The method according to claim 2 , wherein each of the plurality of TTIs is one of (i) a subframe including 14 symbols in the time domain, (ii) a slot including 7 symbols in the time domain, or (iii) a subslot including N symbols in the time domain, where N is a positive integer smaller than 7.

4. The method according to claim 1 , further comprising:

receiving a dynamic uplink grant for a third uplink transmission which is not a SPS-based PUSCH transmission,

wherein, based on a determination that at least one of the repeated first SPS-based PUSCH transmissions overlap, in the time domain, with the third uplink transmission based on the dynamic uplink grant: the user equipment stops performing the repeated first SPS-based PUSCH transmissions and performs the third uplink transmission.

5. The method according claim 4 , wherein, based on the user equipment stopping the repeated first SPS-based PUSCH transmissions, the user equipment transmits, through the third uplink transmission or through a physical uplink control channel (PUCCH), uplink control information (UCI) which was to be transmitted through piggyback on the repeated first SPS-based PUSCH transmissions.

6. A method of receiving an uplink signal by a base station in a wireless communication system, the method comprising:

transmitting, to a user equipment, a first semi-persistent scheduling (SPS) configuration for a first SPS-based physical uplink shared channel (PUSCH), wherein the first SPS configuration configures (i) a time duration of first SPS intervals of the first SPS-based PUSCH, and (ii) a number of repetitions of the first SPS-based PUSCH within each first SPS interval;

transmitting, to the user equipment, a second SPS configuration for a second SPS-based PUSCH, wherein the second SPS configuration configures a time duration of second SPS intervals of the second SPS-based PUSCH; and

based on the first SPS configuration, (i) receiving, from the user equipment, an initial first SPS-based PUSCH transmission in a first SPS interval and (ii) receiving, from the user equipment, repeated first SPS-based PUSCH transmissions based on the number of repetitions, wherein the repeated first SPS-based PUSCH transmissions comprise repeated transmissions of the first SPS-based PUSCH within the first SPS interval, and wherein the initial first SPS-based PUSCH transmission and the repeated first SPS-based PUSCH transmissions are sequentially located within the first SPS interval; and

based on an initial second SPS-based PUSCH transmission scheduled in a second SPS interval to overlap, in a time domain, with at least one of the repeated first SPS-based PUSCH transmissions which are ongoing in the first SPS interval: receiving the ongoing repeated first SPS-based PUSCH transmissions without receiving the initial second SPS-based PUSCH transmission.

7. The method according to claim 6 , wherein, based on the initial second SPS-based PUSCH transmission scheduled in the second SPS interval to overlap, in the time domain, with the at least one of the repeated transmissions of the first SPS-based PUSCH which are ongoing in the first SPS interval, the base station does not expect that the user equipment performs the initial second SPS-based PUSCH transmission.

8. The method according to claim 6 , wherein the repeated first SPS-based PUSCH transmissions are received over a plurality of time intervals (TTIs) based on the first SPS configuration.

9. The method according to claim 8 , wherein each of the plurality of TTIs is one of (i) a subframe including 14 symbols in the time domain, (ii) a slot including 7 symbols in the time domain, or (iii) a subslot including N symbols in the time domain, where N is a positive integer smaller than 7.

10. The method according to claim 6 , further comprising:

transmitting, to the user equipment, a dynamic uplink grant for a third uplink transmission which is not a SPS-based PUSCH transmission,

wherein, based on at least one of the repeated first SPS-based PUSCH transmissions overlapping, in the time domain, with the third uplink transmission based on the dynamic uplink grant, the base station stops receiving the repeated first SPS-based PUSCH transmissions and receives the third uplink transmission.

11. The method according to claim 10 , wherein, based on the base station stopping reception of the repeated first SPS-based PUSCH transmissions, the base station receives, through the third uplink transmission or through a physical uplink control channel (PUCCH), uplink control information (UCI) which was to be received through piggyback on the repeated first SPS-based PUSCH transmissions.

12. A user equipment configured to transmit an uplink signal in a wireless communication system, the user equipment comprising:

a transceiver;

at least one processor; and

at least one computer memory that is operably connectable to the at least one processor and that stores instructions which, when executed, cause the at least one processor to perform operations comprising:

receiving, via the transceiver, a first semi-persistent scheduling (SPS) configuration for a first SPS-based physical uplink shared channel (PUSCH) wherein the first SPS configuration configures (i) a time duration of first SPS intervals of the first SPS-based PUSCH, and (ii) a number of repetitions of the first SPS-based PUSCH within each first SPS interval;

receiving, via the transceiver, a second SPS configuration for a second SPS-based PUSCH, wherein the second SPS configuration configures a time duration of second SPS intervals of the second SPS-based PUSCH;

based on the first SPS configuration, (i) performing, via the transceiver, an initial first SPS-based PUSCH transmission in a first SPS interval and (ii) performing, via the transceiver, repeated first SPS-based PUSCH transmissions based on the number of repetitions, wherein the repeated first SPS-based PUSCH transmissions comprise repeated transmissions of the first SPS-based PUSCH within the first SPS interval, and wherein the initial first SPS-based PUSCH transmission and the repeated first SPS-based PUSCH transmissions are sequentially located within the first SPS interval;

determining whether the user equipment is scheduled to perform, in a second SPS interval, an initial second SPS-based PUSCH transmission that overlaps, in a time domain, with at least one of the repeated first SPS-based PUSCH transmissions which are ongoing in the first SPS interval; and

based on a determination that the initial second SPS-based PUSCH transmission is scheduled to overlap with at least one of the repeated first SPS-based PUSCH transmissions, performing the ongoing repeated first SPS-based PUSCH transmissions without performing the initial second SPS-based PUSCH transmission.

13. The user equipment according to claim 12 , wherein the repeated first SPS-based PUSCH transmissions are performed over a plurality of time intervals (TTIs) based on the first SPS configuration.

14. The user equipment according to claim 13 , wherein each of the plurality of TTIs is one of (i) a subframe including 14 symbols in the time domain, (ii) a slot including 7 symbols in the time domain, or (iii) a subslot including N symbols in the time domain, where N is a positive integer smaller than 7.

15. The user equipment according to claim 12 , wherein the operations further comprise:

receiving a dynamic uplink grant for a third uplink transmission which is not a SPS-based PUSCH transmission,

wherein, based on a determination that at least one of the repeated first SPS-based PUSCH transmissions overlap, in the time domain, with the third uplink transmission based on the dynamic uplink grant: the user equipment stops performing the repeated first SPS-based PUSCH transmissions and performs the third uplink transmission.