Method and apparatus for transmitting uplink control information in wireless communication system
A communication technique for combining a 5G communication system for supporting a higher data rate after 4G system with IoT technology includes transmitting configuration information of one or more serving cells that operate in an unlicensed band to a terminal, transmitting information indicating that an uplink control channel and an uplink data channel can be simultaneously transmitted to the terminal, determining whether the terminal is configured to transmit at least one of data and the uplink control information through the uplink data channel in at least one of a licensed band and the unlicensed band, and receiving the uplink control information in at least one of the licensed band and the unlicensed band on the basis of the determination, wherein the configuration information includes unlicensed-band uplink control channel configuration information for configuring the uplink control channel in one of the serving cells that operate in the unlicensed band.
1. A method for receiving uplink control information by a base station, the method comprising:
transmitting, to a terminal, configuration information for at least one serving cell, wherein at least one secondary cell (SCell) of the at least one serving cell is associated with an unlicensed band and at least one SCell of the at least one serving cell is associated with a licensed band;
transmitting, to the terminal, information for a simultaneous transmission of a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH);
receiving, from the terminal, first control information on a PUSCH of an SCell with a smallest SCell index other than the at least one SCell associated with the unlicensed band, in case that the simultaneous transmission of a PUSCH and a PUCCH is configured, a PUSCH is not transmitted on a primary cell (PCell) associated with the licensed band, and a PUSCH is transmitted on the at least one SCell associated with the licensed band; and
receiving, from the terminal, second control information on a PUCCH of the PCell in case that the simultaneous transmission of a PUSCH and a PUCCH is configured, a PUSCH is not transmitted on the PCell, and a PUSCH is transmitted on the at least one SCell associated with the licensed band,
wherein the first control information is periodic channel state information (CSI) and the second control information is a hybrid automatic repeat request (HARQ) acknowledgement (ACK).
2. The method of claim 1 , wherein the first control information and the second control information is received on the PUCCH of the PCell in case that a PUSCH is transmitted only on the at least one SCell associated with the unlicensed band.
3. The method of claim 1 , wherein the SCell with the smallest SCell index is one among the at least one SCell associated with the licensed band.
4. The method of claim 2 , wherein the first control information and the second control information are received on a same subframe without the PUSCH.
5. A method for transmitting uplink control information by a terminal, the method comprising:
receiving, from a base station, configuration information for at least one serving cell, wherein at least one secondary cell (SCell) of the at least one serving cell is associated with an unlicensed band and at least one SCell of the at least one serving cell is associated with a licensed band;
receiving, from the base station, information for a simultaneous transmission of a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH);
transmitting, to the base station, first control information on a PUSCH of an SCell with a smallest SCell index other than the at least one SCell associated with the unlicensed band, in case that the simultaneous transmission of a PUSCH and a PUCCH is configured, a PUSCH is not transmitted on a primary cell (PCell) associated with the licensed band, and a PUSCH is transmitted on the at least one SCell associated with the licensed band; and
transmitting, to the base station, second control information on a PUCCH of the PCell in case that the simultaneous transmission of a PUSCH and a PUCCH is configured, a PUSCH is not transmitted on the PCell, and a PUSCH is transmitted on the at least one SCell associated with the licensed band,
wherein the first control information is periodic channel state information (CSI) and the second control information is a hybrid automatic repeat request (HARQ) acknowledgement (ACK).
6. The method of claim 5 , wherein the first control information and the second control information is transmitted on the PUCCH of the PCell in case that a PUSCH is transmitted only on the at least one SCell associated with the unlicensed band.
7. The method of claim 5 , wherein the SCell with the smallest SCell index is one among the at least one SCell associated with the licensed band.
8. The method of claim 6 , wherein the first control information and the second control information are transmitted on a same subframe without the PUSCH.
9. A base station for receiving uplink control information, the base station comprising:
a transceiver configured to transmit and receive signals with a terminal; and
a controller coupled to the transceiver, the controller configured to control the transceiver:
transmit, to the terminal, configuration information for at least one serving cell, wherein at least one secondary cell (SCell) of the at least one serving cell is associated with an unlicensed band and at least one SCell of the at least one serving cell is associated with a licensed band;
transmit, to the terminal, information for a simultaneous transmission of a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH);
receive, from the terminal, first control information on a PUSCH of an SCell with a smallest SCell index other than the at least one SCell associated with the unlicensed band, in case that the simultaneous transmission of a PUSCH and a PUCCH is configured, a PUSCH is not transmitted on a primary cell (PCell) associated with the licensed band, and a PUSCH is transmitted on the at least one SCell associated with the licensed band; and
receive, from the terminal, second control information on a PUCCH of the PCell in case that the simultaneous transmission of a PUSCH and a PUCCH is configured, a PUSCH is not transmitted on the PCell, and a PUSCH is transmitted on the at least one SCell associated with the licensed band,
wherein the first control information is periodic channel state information (CSI) and the second control information is a hybrid automatic repeat request (HARQ) acknowledgement (ACK).
10. The base station of claim 9 , wherein the first control information and the second control information is received on the PUCCH of the PCell in case that a PUSCH is transmitted only on the at least one SCell associated with the unlicensed band.
11. The base station of claim 9 , wherein the SCell with the smallest SCell index is one among the at least one SCell associated with the licensed band.
12. The base station of claim 10 , wherein the first control information and the second control information are received on a same subframe without the PUSCH.
13. A terminal for transmitting uplink control information, the terminal comprising:
a transceiver configured to transmit and receive signals with a base station; and
a controller coupled to the transceiver, the controller configured to control the transceiver to:
receive, from the base station, configuration information for at least one serving cell, wherein at least one secondary cell (SCell) of the at least one serving cell is associated with an unlicensed band and at least one SCell of the at least one serving cell is associated with a licensed band;
receive, from the base station, information for a simultaneous transmission of a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH);
transmit, to the base station, first control information on a PUSCH of an SCell with a smallest SCell index other than the at least one SCell associated with the unlicensed band, in case that the simultaneous transmission of a PUSCH and a PUCCH is configured, a PUSCH is not transmitted on a primary cell (PCell) associated with the licensed band, and a PUSCH is transmitted on the at least one SCell associated with the licensed band; and
transmit, to the base station, second control information on a PUCCH of the PCell in case that the simultaneous transmission of a PUSCH and a PUCCH is configured, a PUSCH is not transmitted on the PCell, and a PUSCH is transmitted on the at least one SCell associated with the licensed band,
wherein the first control information is periodic channel state information (CSI) and the second control information is a hybrid automatic repeat request (HARQ) acknowledgement (ACK).
14. The terminal of claim 13 , wherein the first control information and the second control information are transmitted on the PUCCH of the PCell in case that a PUSCH is transmitted only on the at least one SCell associated with the unlicensed band.
15. The terminal of claim 13 , wherein the SCell with the smallest SCell index is one among the at least one SCell associated with the licensed band.
16. The terminal of claim 14 , wherein the first control information and the second control information are transmitted on a same subframe without the PUSCH.