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. A message including resource configuration information for a physical uplink control channel (PUCCH) is transmitted to a terminal on higher layer signaling. The resource configuration information includes information on physical resource blocks (PRBs). Downlink control information (DCI) is transmitted to the terminal on a physical downlink control channel (PDCCH). The DCI includes a resource indicator for explicitly indicating the resource configuration information. Uplink control information (UCI) is received from the terminal on the PUCCH based on the PRBs associated with the resource configuration information 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, a plurality of physical uplink control channel (PUCCH) resource information and a plurality of control resource set information, wherein control resource set information includes information on resource blocks (RBs) allocated to a control resource set, and the control resource set is defined for a physical downlink control channel (PDCCH);
transmitting, to the terminal, downlink control information (DCI) on the PDCCH in a control resource set among a plurality of control resource sets defined based on the plurality of control resource set information, wherein the DCI includes a resource indicator for explicitly indicating a PUCCH resource among a plurality of PUCCH resources defined based on the plurality of PUCCH resource information; and
receiving, from the terminal, uplink control information (UCI) on the PUCCH resource,
wherein PUCCH resource information includes information on an RB for a PUCCH.
2. The method of claim 1 , wherein the PUCCH resource information further includes information on a number of symbols configured for the PUCCH.
3. The method of claim 1 , wherein:
the control resource set information further includes information on a duration; 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.
5. The method of claim 1 , wherein at least one modulated symbol for the UCI is processed based on a block-wise spreading, a discrete fourier transform (DFT), and an inverse fast fourier transform (IFFT).
6. A method performed by a terminal in a wireless communication system, the method comprising:
receiving, from a base station, a plurality of physical uplink control channel (PUCCH) resource information and a plurality of control resource set information, wherein control resource set information includes information on resource blocks (RBs) allocated to a control resource set, and the control resource set is defined for a physical downlink control channel (PDCCH);
receiving, from the base station, downlink control information (DCI) on the PDCCH in a control resource set among a plurality of control resource sets defined based on the plurality of control resource set information, wherein the DCI includes a resource indicator for explicitly indicating a PUCCH resource among a plurality of PUCCH resources defined based on the plurality of PUCCH resource information; and
transmitting, to the base station, uplink control information (UCI) on the PUCCH resource,
wherein PUCCH resource information includes information on an RB for a PUCCH.
7. The method of claim 6 , wherein the PUCCH resource information further includes information on a number of symbols configured for the PUCCH.
8. The method of claim 6 , wherein:
the control resource set information further includes information on a duration; and
the duration is one of 1, 2, or 3 symbols.
9. The method of claim 6 , wherein a frequency hopping is applied for the PUCCH.
10. The method of claim 6 , wherein 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).
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 plurality of physical uplink control channel (PUCCH) resource information and a plurality of control resource set information, wherein control resource set information includes information on resource blocks (RBs) allocated to a control resource set, and the control resource set is defined for a physical downlink control channel (PDCCH),
transmit, to the terminal, downlink control information (DCI) on the PDCCH in a control resource set among a plurality of control resource sets defined based on the plurality of control resource set information, wherein the DCI includes a resource indicator for explicitly indicating a PUCCH resource among a plurality of PUCCH resources defined based on the plurality of PUCCH resource information, and
receive, from the terminal, uplink control information (UCI) on the PUCCH resource,
wherein PUCCH resource information includes information on an RB for a PUCCH.
12. The base station of claim 11 , wherein the PUCCH resource information further includes information on a number of symbols configured for the PUCCH.
13. The base station of claim 11 , wherein:
the control resource set information further includes information on a duration, and
the duration is one of 1, 2, or 3 symbols.
14. The base station of claim 11 , wherein a frequency hopping is applied for the PUCCH.
15. The base station of claim 11 , wherein 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).
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 plurality of physical uplink control channel (PUCCH) resource information and a plurality of control resource set information, wherein control resource set information includes information on resource blocks (RBS) allocated to a control resource set, and the control resource set is defined for a physical downlink control channel (PDCCH),
receive, from the base station, downlink control information (DCI) on the PDCCH in a control resource set among a plurality of control resource sets defined based on the plurality of control resource set information, wherein the DCI includes a resource indicator for explicitly indicating a PUCCH resource among a plurality of PUCCH resources defined based on the plurality of PUCCH resource information, and
transmit, to the base station, uplink control information (UCI) on the PUCCH resource,
wherein PUCCH resource information includes information on an RB for a PUCCH.
17. The terminal of claim 16 , wherein the PUCCH resource information further includes information on a number of symbols configured for the PUCCH.
18. The terminal of claim 16 , wherein:
the control resource information further includes information on a duration, and
the duration is one of 1, 2, or 3 symbols.
19. The terminal of claim 16 , wherein a frequency hopping is applied for the PUCCH.
20. The terminal of claim 16 , wherein 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).