Transmission and reception method and apparatus for reducing transmission time interval in wireless cellular communication system
Methods and apparatuses for signal transmission and reception are provided for a wireless communication system. Information for configuring a plurality of physical uplink control channel (PUCCH) resources is transmitted to a terminal. Downlink control information (DCI) is transmitted to the terminal on a physical downlink control channel (PDCCH). The DCI includes a resource indicator for indicating a PUCCH resource among the plurality of PUCCH resources. Uplink control information (UCI) is received from the terminal on the PUCCH resource indicated by the resource indicator.
1. A method performed by a base station in a wireless communication system, the method comprising:
transmitting, to a terminal, configurations for a plurality of physical uplink control channel (PUCCH) resources;
transmitting, to the terminal, downlink control information (DCI) on a physical downlink control channel (PDCCH), wherein the DCI includes a resource indicator for indicating a PUCCH resource among the plurality of PUCCH resources; and
receiving, from the terminal, uplink control information (UCI) on the PUCCH resource indicated by the resource indicator,
wherein a configuration for a PUCCH resource comprises information on a resource bloc k (RB) and information on a number of symbols.
2. The method of claim 1 , further comprising:
transmitting, to the terminal, information for configuring a plurality of control resource sets,
wherein the PDCCH is transmitted in a control resource set among the plurality of control resource sets.
3. The method of claim 2 , wherein:
the information for configuring the plurality of control resource sets includes information on each control resource set comprising information on resource blocks (RBs) allocated to each control resource set and information on a duration associated with each control resource set, and
the duration is one of 1, 2, or 3 symbols.
4. The method of claim 1 , wherein a frequency hopping is applied for the PUCCH resource.
5. A method performed by a terminal in a wireless communication system, the method comprising:
receiving, configurations for a plurality of physical uplink control channel (PUCCH) resources;
receiving, from the base station, downlink control information (DCI) on a physical downlink control channel (PDCCH), wherein the DCI includes a resource indicator for indicating a PUCCH resource among the plurality of PUCCH resources; and
transmitting, to the base station, uplink control information (UCI) on the PUCCH resource indicated by the resource indicator,
wherein a configuration for a PUCCH resource comprises information on a resource block (RB) and information on a number of symbols.
6. The method of claim 5 , further comprising:
receiving, from the base station, information for configuring a plurality of control resource sets,
wherein the PDCCH is received in a control resource set among the plurality of control resource sets.
7. The method of claim 6 , wherein:
the information for configuring the plurality of control resource sets includes information on each control resource set comprising information on resource blocks (RBs) allocated to each control resource set and information on a duration associated with each control resource set, and
the duration is one of 1, 2, or 3 symbols.
8. The method of claim 5 , wherein a frequency hopping is applied for the PUCCH resource.
9. 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, configurations for a plurality of physical uplink control channel (PUCCH) resources;
transmit, to the terminal, downlink control information (DCI) on a physical downlink control channel (PDCCH), wherein the DCI includes a resource indicator for indicating a PUCCH resource among the plurality of PUCCH resources; and
receive, from the terminal, uplink control information (UCI) on the PUCCH resource indicated by the resource indicator,
wherein a configuration for a PUCCH resource comprises information on a resource block (RB) and information on a number of symbols.
10. The base station of claim 9 , wherein the controller is further configured to:
transmit, to the terminal, information for configuring a plurality of control resource sets,
wherein the PDCCH is transmitted in a control resource set among the plurality of control resource sets.
11. The base station of claim 10 , wherein:
the information for configuring the plurality of control resource sets includes information on each control resource set comprising information on resource blocks (RBs) allocated to each control resource set and information on a duration associated with each control resource set, and
the duration is one of 1, 2, or 3 symbols.
12. The base station of claim 9 , wherein:
a frequency hopping is applied for the PUCCH resource, and
at least one modulated symbol for the UCI is processed based on a block-wise spreading, a discrete fourier transform (DFT), an inverse fast fourier transform (IFFT).
13. 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, configurations for a plurality of physical uplink control channel (PUCCH) resources;
receive, from the base station, downlink control information (DCI) on a physical downlink control channel (PDCCH), wherein the DCI includes a resource indicator for indicating a PUCCH resource among the plurality of PUCCH resources; and
transmit, to the base station, uplink control information (UCI) on the PUCCH resource indicated by the resource indicator,
wherein a configuration for a PUCCH resource comprises information on a resource block (RB) and information on a number of symbols.
14. The terminal of claim 13 , wherein the controller is further configured to:
receive, from the base station, information for configuring a plurality of control resource sets,
wherein the PDCCH is received in a control resource set among the plurality of control resource sets.
15. The terminal of claim 14 , wherein:
the information for configuring the plurality of control resource sets includes information on each control resource set comprising information on resource blocks (RBs) allocated to each control resource set and information on a duration associated with each control resource set, and
the duration is one of 1, 2, or 3 symbols.
16. The terminal of claim 13 , wherein:
a frequency hopping is applied for the PUCCH resource, and
at least one modulated symbol for the UCI is processed based on a block-wise spreading, a discrete fourier transform (DFT), an inverse fast fourier transform (IFFT).