Transmission and reception method and apparatus for reducing transmission time interval in wireless cellular communication system

1. A method performed by a base station in a wireless communication system, the method comprising:

transmitting, to a terminal, a configuration for a physical downlink control channel (PDCCH), wherein the configuration includes first information on resource blocks (RBs) for the PDCCH and second information on a number of symbols for the PDCCH;

transmitting, to the terminal, configurations for a plurality of physical uplink control channel (PUCCH) resources, wherein each of the configurations includes third information on an RB for a PUCCH resource and fourth information on a number of symbols for the PUCCH resource;

transmitting, to the terminal, downlink control information (DCI) based on the first information and the second information, wherein the DCI includes a resource indicator for indicating a PUCCH resource among the plurality of PUCCH resources;

transmitting, to the terminal, a physical downlink shared channel (PDSCH); and

receiving, from the terminal, uplink control information (UCI) including hybrid automatic repeat request (HARQ) acknowledgement (ACK) information for the PDSCH, on the PUCCH resource indicated by the resource indicator.

2. The method of claim 1 ,

wherein the number of symbols for the PDCCH is one of 1, 2, or 3 symbols, and

wherein a slot in which the DCI is transmitted is associated with the first information and the second information.

3. The method of claim 1 , further comprising:

transmitting, to the terminal, a DCI format scheduling the PDSCH,

wherein the DCI format includes frequency resource assignment information, modulation and coding scheme (MCS) information, redundancy version (RV) information, and time resource assignment information, and

wherein the time resource assignment information indicates a time duration of the PDSCH among multiple time durations and a slot for the PDSCH.

4. The method of claim 1 ,

wherein in case that the PDSCH is transmitted in a slot n where n is a slot number, the UCI is received in a slot n+k where k is determined as a value, among preconfigured values, that is identified by a higher layer signaling.

5. The method of claim 1 , wherein a frequency hopping is applied for the PUCCH resource indicated by the resource indicator.

6. A method performed by a terminal in a wireless communication system, the method comprising:

receiving, from a base station, a configuration for a physical downlink control channel (PDCCH), wherein the configuration includes first information on resource blocks (RBs) for the PDCCH and second information on a number of symbols for the PDCCH;

receiving, from the base station, configurations for a plurality of physical uplink control channel (PUCCH) resources, wherein each of the configurations includes third information on an RB for a PUCCH resource and fourth information on a number of symbols for the PUCCH resource;

receiving, from the base station, downlink control information (DCI) based on the first information and the second information, wherein the DCI includes a resource indicator for indicating a PUCCH resource among the plurality of PUCCH resources;

receiving, from the base station, a physical downlink shared channel (PDSCH); and

transmitting, to the base station, uplink control information (UCI) including hybrid automatic repeat request (HARQ) acknowledgement (ACK) information for the PDSCH on the PUCCH resource indicated by the resource indicator.

7. The method of claim 6 ,

wherein the number of symbols for the PDCCH is one of 1, 2, or 3 symbols, and

wherein a slot in which the DCI is received is associated with the first information and the second information.

8. The method of claim 6 , further comprising:

receiving, from the base station, a DCI format scheduling the PDSCH,

wherein the DCI format includes frequency resource assignment information, modulation and coding scheme (MCS) information, redundancy version (RV) information, and time resource assignment information, and

wherein the time resource assignment information indicates a time duration of the PDSCH among multiple time durations and a slot for the PDSCH.

9. The method of claim 6 ,

wherein in case that the PDSCH is received in a slot n where n is a slot number, the UCI is transmitted in a slot n+k where k is determined as a value, among preconfigured values, that is identified by a higher layer signaling.

10. The method of claim 6 , wherein a frequency hopping is applied for the PUCCH resource indicated by the resource indicator.

11. A base station in a wireless communication system, the base station comprising:

a transceiver; and

a controller coupled with the transceiver and configured to control to:

transmit, to a terminal, a configuration for a physical downlink control channel (PDCCH), wherein the configuration includes first information on resource blocks (RBs) for the PDCCH and second information on a number of symbols for the PDCCH,

transmit, to the terminal, configurations for a plurality of physical uplink control channel (PUCCH) resources, wherein each of the configurations includes third information on an RB for a PUCCH resource and fourth information on a number of symbols for the PUCCH resource,

transmit, to the terminal, downlink control information (DCI) based on the first information and the second information, wherein the DCI includes a resource indicator for indicating a PUCCH resource among the plurality of PUCCH resources,

transmit, to the terminal, a physical downlink shared channel (PDSCH), and

receive, from the terminal, uplink control information (UCI) including hybrid automatic repeat request (HARQ) acknowledgement (ACK) information for the PDSCH, on the PUCCH resource indicated by the resource indicator.

12. The base station of claim 11 ,

wherein the number of symbols for the PDCCH is one of 1, 2, or 3 symbols, and

wherein a slot in which the DCI is transmitted is associated with the first information and the second information.

13. The base station of claim 11 ,

wherein the controller is further configured to transmit, to the terminal, a DCI format scheduling the PDSCH,

wherein the DCI format includes frequency resource assignment information, modulation and coding scheme (MCS) information, redundancy version (RV) information, and time resource assignment information, and

wherein the time resource assignment information indicates a time duration of the PDSCH among multiple time durations and a slot for the PDSCH.

14. The base station of claim 11 ,

wherein in case that the PDSCH is transmitted in a slot n where n is a slot number, the UCI is received in a slot n+k where k is determined as a value, among preconfigured values, that is identified by a higher layer signaling.

15. The base station of claim 11 ,

wherein a frequency hopping is applied for the PUCCH resource indicated by the resource indicator.

16. A terminal in a wireless communication system, the terminal comprising:

a transceiver; and

a controller coupled with the transceiver and configured to control to:

receive, from a base station, a configuration for a physical downlink control channel (PDCCH), wherein the configuration includes first information on resource blocks (RBs) for the PDCCH and second information on a number of symbols for the PDCCH,

receive, from the base station, configurations for a plurality of physical uplink control channel (PUCCH) resources, wherein each of the configurations includes third information on an RB for a PUCCH resource and fourth information on a number of symbols for the PUCCH resource,

receive, from the base station, downlink control information (DCI) based on the first information and the second information, wherein the DCI includes a resource indicator for indicating a PUCCH resource among the plurality of PUCCH resources,

receive, from the base station, a physical downlink shared channel (PDSCH), and

transmit, to the base station, uplink control information (UCI) including hybrid automatic repeat request (HARQ) acknowledgement (ACK) information for the PDSCH on the PUCCH resource indicated by the resource indicator.

17. The terminal of claim 16 ,

wherein the number of symbols for the PDCCH is one of 1, 2, or 3 symbols, and

wherein a slot in which the DCI is received is associated with the first information and the second information.

18. The terminal of claim 16 ,

wherein the controller is further configured to receive, from the base station, a DCI format scheduling the PDSCH,

wherein the DCI format includes frequency domain assignment information, modulation and coding scheme (MCS) information, redundancy version (RV) information, and time resource assignment information, and

wherein the time resource assignment information indicates a time duration of the PDSCH among multiple time durations and a slot for the PDSCH.

19. The terminal of claim 16 ,

wherein in case that the PDSCH is received in a slot n where n is a slot number, the UCI is transmitted in a slot n+k where k is determined as a value, among preconfigured values, that is identified by a higher layer signaling.

20. The terminal of claim 16 , wherein a frequency hopping is applied for the PUCCH resource indicated by the resource indicator.