Method and apparatus for determining transmission timing in wireless communication system

1. A method for transmitting hybrid automatic repeat request acknowledgement (HARQ-ACK) information by a user equipment (UE) in a wireless communication system, the method comprising:

receiving a physical downlink control channel (PDCCH) including information for downlink semi-persistent scheduling (DL SPS) release from a base station; and

transmitting an uplink channel including a physical uplink shared channel (PUSCH) multiplexed with HARQ-ACK information for the PDCCH including the information for DL SPS release to the base station,

wherein a first symbol of the uplink channel is transmitted at least after a processing time (T proc,3 ) from when a last symbol of the PDCCH is received,

wherein the processing time (T proc,3 ) is calculated based on T proc,3 =(N 3+1 )·(2048+144)·κ·2 −μ ·T c ,

wherein μ corresponds to a smaller subcarrier spacing parameter among a subcarrier spacing parameter (μ PDCCH ) of the PDCCH and a subcarrier spacing parameter (μ UL ) of the uplink channel,

wherein N 3 is determined based on μ,

wherein T c is calculated based on T c =1/(Δf max ·N f ), in which Δf max is 480·10 3 Hz, and N f is 4096, and

wherein κ is κ=T s /T c =64, T s is 1/(κf ref ·N f,ref ), Δf ref is 15·10 3 Hz, and N f,ref is 2048.

2. The method of claim 1 ,

wherein when μ is 0, N 3 is 10,

wherein when μ is 1, N 3 is 12,

wherein when μ is 2, N 3 is 22, and

wherein when μ is 3, N 3 is 25.

3. The method of claim 1 , wherein the first symbol of the uplink channel is transmitted not before a first symbol with a cyclic prefix (CP) starting after the processing time from when the last symbol of the PDCCH is received.

4. The method of claim 1 , wherein the PDCCH comprises downlink control information (DCI) including the information for DL SPS release.

5. The method of claim 1 , wherein the HARQ-ACK information comprises acknowledgement (ACK) information or negative acknowledgement (NACK) information of the PDCCH including the information for DL SPS release.

6. A user equipment (UE), the UE comprising:

a transceiver; and

at least one processor configured to:

control the transceiver to receive a physical downlink control channel (PDCCH) including information for downlink semi-persistent scheduling (DL SPS) release from a base station; and

control the transceiver to transmit an uplink channel including a physical uplink shared channel (PUSCH) multiplexed with hybrid automatic repeat request acknowledgement (HARQ-ACK) information for the PDCCH including the information for DL SPS release to the base station,

wherein a first symbol of the uplink channel is transmitted at least after a processing time (T proc,3 ) from when a last symbol of the PDCCH is received,

wherein the processing time (T proc,3 ) is calculated based on T proc,3 =(N 3 +1)·(2048+144)·κ·2 −μ ·T c ,

wherein μ corresponds to a smaller subcarrier spacing parameter among a subcarrier spacing parameter (μ PDCCH ) of the PDCCH and a subcarrier spacing parameter (μ UL ) of the uplink channel,

wherein N 3 is determined based on μ,

wherein T c is calculated based on T c =1/(Δf max ·N f ), in which κf max is 480·10 3 Hz, and N f is 4096, and

wherein κ is κ=T s /T c =64, T s is 1/(Δf ref ·N f,ref ), κf ref is 15·10 3 Hz, and N f,ref is 2048.

7. The UE of claim 6 ,

wherein when μ is 0, N 3 is 10,

wherein when μ is 1, N 3 is 12,

wherein when μ is 2, N 3 is 22, and

wherein when μ is 3, N 3 is 25.

8. The UE of claim 6 , wherein the first symbol of the uplink channel is transmitted not before a first symbol with a cyclic prefix (CP) starting after the processing time from when the last symbol of the PDCCH is received.

9. The UE of claim 6 , wherein the PDCCH comprises downlink control information (DCI) including the information for DL SPS release.

10. The UE of claim 6 , wherein the HARQ-ACK information comprises acknowledgement (ACK) information or negative acknowledgement (NACK) information of the PDCCH including the information for DL SPS release.

11. A method for receiving hybrid automatic repeat request acknowledgement (HARQ-ACK) information by a base station in a wireless communication system, the method comprising:

transmitting a physical downlink control channel (PDCCH) including information for downlink semi-persistent scheduling (DL SPS) release to a user equipment (UE);

scheduling an uplink channel that is to be transmitted after a processing time (T proc,3 ) from when a last symbol of the PDCCH is transmitted; and

receiving the uplink channel including a physical uplink shared channel (PUSCH) multiplexed with HARQ-ACK information for the PDCCH including the information for DL SPS release from the UE,

wherein a first symbol of the uplink channel is received at least after the processing time (T proc,3 ) from when a last symbol of the PDCCH is transmitted,

wherein the processing time (T proc,3 ) is calculated based on T proc,3 =(N 3 +1)·(2048+144)·κ·2 −μ ·T c ,

wherein μ corresponds to a smaller subcarrier spacing parameter among a subcarrier spacing parameter (μ PDCCH ) of the PDCCH and a subcarrier spacing parameter (μ UL L) of the uplink channel,

wherein N 3 is determined based on μ,

wherein T c is calculated based on T c =1/(Δf max ·N f ), in which Δf max is 480·10 3 Hz, and N f is 4096, and

wherein κ is κ=T s /T c =64, T s is 1/(κf ref ·N f,ref ), Δf ref is 15·10 3 Hz, and N f,ref is 2048.

12. The method of claim 11 ,

wherein when μ is 0, N 3 is 10,

wherein when μ is 1, N 3 is 12,

wherein when μ is 2, N 3 is 22, and

wherein when μ is 3, N 3 is 25.

13. The method of claim 11 , wherein the first symbol of the uplink channel is received not before a first symbol with a cyclic prefix (CP) starting after the processing time from when the last symbol of the PDCCH is transmitted.

14. A base station, the base station comprising:

a transceiver; and

at least one processor configured to:

control the transceiver to transmit a physical downlink control channel (PDCCH) including information for downlink semi-persistent scheduling (DL SPS) release to a user equipment (UE);

schedule an uplink channel that is to be transmitted after a processing time (T proc,3 ) from when a last symbol of the PDCCH is transmitted; and

control the transceiver to receive the uplink channel including a physical uplink shared channel (PUSCH) multiplexed with hybrid automatic repeat request acknowledgement (HARQ-ACK) information for the PDCCH including the information for DL SPS release from the UE,

wherein a first symbol of the uplink channel is received at least after the processing time (T proc,3 ) from when a last symbol of the PDCCH is transmitted,

wherein the processing time (T proc,3 ) is calculated based on T proc,3 =(N 3 +1)·(2048+144)·κ·2 −μ ·T c ,

wherein μ corresponds to a smaller subcarrier spacing parameter among a subcarrier spacing parameter (μ PDCCH ) of the PDCCH and a subcarrier spacing parameter (μ UL L) of the uplink channel,

wherein N 3 is determined based on μ,

wherein T c is calculated based on T c =1/(Δf max ·N f ), in which Δf max is 480·10 3 Hz, and N f is 4096, and

wherein κ is κ=T s /T c =64, T s is 1/(Δf ref ·N f,ref ), Δf ref is 15·10 3 Hz, and N f,ref is 2048.