Channel multiplexing method and multiplexed channel transmission method for wireless communication system and device using same

1. A user equipment (UE) for use in a wireless communication system, the UE comprising:

a communication module; and

a processor configured to control the communication module,

wherein the processor is configured to:

receive configuration information related to a cyclic period for monitoring an uplink (UL) preemption indicator;

receive scheduling information for a physical uplink shared channel (PUSCH) transmission;

after a reception of the scheduling information, receive a common physical downlink control channel (PDCCH) including the UL preemption indicator during a monitoring time configured by the cyclic period; and

based on the PUSCH transmission being overlapped with at least one resource part indicated by the UL preemption indicator within a reference time-frequency resource, cancel at least a portion of the PUSCH transmission based on the at least one resource part,

wherein a starting time of the reference time-frequency resource is located after the monitoring time, at least by a time interval associated with a PUSCH processing time.

2. The UE of claim 1 , wherein the reference time-frequency resource excludes a downlink symbol configured according to a semi-static downlink (DL)/UL assignment.

3. The UE of claim 1 , wherein the PUSCH processing time is a minimum time required for the UE to receive a PDCCH for scheduling the PUSCH and to transmit the PUSCH.

4. The UE of claim 1 , wherein the UL preemption indicator includes a bitmap including N bits, and each of the N bits corresponds to a respective one of N resource parts within the reference time-frequency resource,

wherein each of one or more first resource parts among the N resource parts is configured to have P symbols, and each of remaining second resource parts among the N resource parts is configured to have Q symbols,

wherein P and Q are set so that a difference between P and Q is to be at most 1, and

wherein N, P and Q are natural numbers.

5. The UE of claim 1 , wherein the UL preemption indicator includes a bitmap including N bits, and each of the N bits corresponds to a respective one of N resource parts within the reference time-frequency resource,

wherein each of mod (S, N) resource parts among the N resource parts includes ceil (S/N) symbols, and each of N-mod (S, N) resource parts among the N resource parts includes floor (S/N) symbols, and

wherein S is a number of symbols within the reference time-frequency resource, N is a natural number, mod ( ) represents a modulo function, ceil ( ) represents a ceiling function, and floor ( ) represents a flooring function.

6. A method for operating a user equipment (UE) of a wireless communication system, the method comprising:

receiving configuration information related to a cyclic period for monitoring an uplink (UL) preemption indicator;

receiving scheduling information for a physical uplink shared channel (PUSCH) transmission;

after a reception of the scheduling information, receiving a common physical downlink control channel (PDCCH) including the UL preemption indicator during a monitoring time configured by the cyclic period; and

based on the PUSCH transmission being overlapped with at least one resource part indicated by the UL preemption indicator within a reference time-frequency resource, canceling at least a portion of the PUSCH transmission based on the at least one resource part,

wherein a starting time of the reference time-frequency resource is located after the monitoring time, at least by a time interval associated with a PUSCH processing time.

7. The method of claim 6 , wherein the reference time-frequency resource excludes a downlink symbol configured according to a semi-static downlink (DL)/UL assignment.

8. The method of claim 6 , wherein the PUSCH processing time is a minimum time required for the UE to receive a PDCCH for scheduling the PUSCH and to transmit the PUSCH.

9. The method of claim 6 , wherein the UL preemption indicator includes a bitmap including N bits, and each of the N bits corresponds to a respective one of N resource parts within the reference time-frequency resource,

wherein each of one or more first resource parts among the N resource parts is configured to have P symbols, and each of remaining second resource parts among the N resource parts is configured to have Q symbols,

wherein P and Q are set so that a difference between P and Q is to be at most 1, and

wherein N, P and Q are natural numbers.

10. The method of claim 5 , wherein the UL preemption indicator includes a bitmap including N bits, and each of the N bits corresponds to a respective one of N resource parts within the reference time-frequency resource,

wherein each of mod (S, N) resource parts among the N resource parts includes ceil (S/N) symbols, and each of N-mod (S, N) resource parts among the N resource parts includes floor (S/N) symbols, and

wherein S is a number of symbols within the reference time-frequency resource, N is a natural number, mod ( ) represents a modulo function, ceil ( ) represents a ceiling function, and floor ( ) represents a flooring function.

11. A base station (BS) of a wireless communication system, the BS comprising:

a communication module; and

a processor configured to control the communication module, wherein the processor is configured to:

transmit configuration information related to a cyclic period for monitoring an uplink (UL) preemption indicator;

transmit scheduling information for a physical uplink shared channel (PUSCH) reception;

after a transmission of the scheduling information, transmit a common physical downlink control channel (PDCCH) including the UL preemption indicator during a monitoring time configured by the cyclic period; and

based on the PUSCH reception being overlapped with at least one resource part indicated by the UL preemption indicator within a reference time-frequency resource, disregard at least a portion of the PUSCH reception based on the at least one resource part,

wherein a starting time of the reference time-frequency resource is located after the monitoring time, at least by a time interval associated with a PUSCH processing time.

12. The BS of claim 11 , wherein the reference time-frequency resource excludes a downlink symbol configured according to a semi-static downlink (DL)/UL assignment.

13. The BS of claim 11 , wherein the PUSCH processing time is a minimum time required for a user equipment (UE) to receive a PDCCH for scheduling the PUSCH and to transmit the PUSCH.

14. The BS of claim 11 , wherein the UL preemption indicator includes a bitmap including N bits, and each of the N bits corresponds to a respective one of N resource parts within the reference time-frequency resource,

wherein each of one or more first resource parts among the N resource parts is configured to have P symbols, and each of remaining second resource parts among the N resource parts is configured to have Q symbols,

wherein P and Q are set so that a difference between P and Q is to be at most 1, and

wherein N, P and Q are natural numbers.

15. The BS of claim 11 , wherein the UL preemption indicator includes a bitmap including N bits, and each of the N bits corresponds to a respective one of N resource parts within the reference time-frequency resource,

wherein each of mod (S, N) resource parts among the N resource parts includes ceil (S/N) symbols, and each of N-mod (S, N) resource parts among the N resource parts includes floor (S/N) symbols, and

wherein S is a number of symbols within the reference time-frequency resource, N is a natural number, mod ( ) represents a modulo function, ceil ( ) represents a ceiling function, and floor ( ) represents a flooring function.

16. A method for operating a base station (BS) of a wireless communication system, the method comprising:

transmitting configuration information related to a cyclic period for monitoring an uplink (UL) preemption indicator;

transmitting scheduling information for a physical uplink shared channel (PUSCH) reception;

after a transmission of the scheduling information, transmitting a common physical downlink control channel (PDCCH) including the UL preemption indicator during a monitoring time configured by the cyclic period; and

based on the PUSCH reception being overlapped with at least one resource part indicated by the UL preemption indicator within a reference time-frequency resource, disregarding at least a portion of the PUSCH reception based on the at least one resource part,

wherein a starting time of the reference time-frequency resource is located after the monitoring time, at least by a time interval associated with a PUSCH processing time.

17. The method of claim 16 , wherein the reference time-frequency resource excludes a downlink symbol configured according to a semi-static downlink (DL)/UL assignment.

18. The method of claim 16 , wherein the PUSCH processing time is a minimum time required for a user equipment (UE) to receive a PDCCH for scheduling the PUSCH and to transmit the PUSCH.

19. The method of claim 16 , wherein the UL preemption indicator includes a bitmap including N bits, and each of the N bits corresponds to a respective one of N resource parts within the reference time-frequency resource,

wherein each of one or more first resource parts among the N resource parts is configured to have P symbols, and each of remaining second resource parts among the N resource parts is configured to have Q symbols,

wherein P and Q are set so that a difference between P and Q is to be at most 1, and

wherein N, P and Q are natural numbers.

20. The method of claim 16 , wherein the UL preemption indicator includes a bitmap including N bits, and each of the N bits corresponds to a respective one of N resource parts within the reference time-frequency resource,

wherein each of mod (S, N) resource parts among the N resource parts includes ceil (S/N) symbols, and each of N-mod (S, N) resource parts among the N resource parts includes floor (S/N) symbols, and

wherein S is a number of symbols within the reference time-frequency resource, N is a natural number, mod ( ) represents a modulo function, ceil ( ) represents a ceiling function, and floor ( ) represents a flooring function.

21. The UE of claim 1 , wherein the starting time of the reference time-frequency resource is located at an earliest symbol after the time interval from the monitoring time.

22. The method of claim 6 , wherein the starting time of the reference time-frequency resource is located at an earliest symbol after the time interval from the monitoring time.

23. The B S of claim 11 , wherein the starting time of the reference time-frequency resource is located at an earliest symbol after the time interval from the monitoring time.

24. The method of claim 16 , wherein the starting time of the reference time-frequency resource is located at an earliest symbol after the time interval from the monitoring time.