Method and device for control and data information transmission in wireless communication system
The present disclosure relates to a communication technique that combines a 5G communication system for supporting a higher data transmission rate than a 4G system with IoT technology, and a system therefor. The present disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety-related services, etc.) on the basis of 5G communication technology and IoT-related technology. Furthermore, the present disclosure provides a method and device for transmitting HARQ-ACK feedback for downlink data transmission. Specifically, disclosed are a method for configuring HARQ-ACK feedback bits when a terminal intends to transmit multiple HARQ-ACKs within one slot through an uplink, and a device therefor.
1. A method performed by a terminal in a communication system, the method comprising:
receiving, from a base station via higher layer signaling, first information indicating an index of a secondary cell for a physical uplink control channel (PUCCH) cell switching in a PUCCH group, and second information indicating whether the PUCCH cell switching based on dynamic indication in downlink control information (DCI) is enabled;
receiving, from the base station, DCI scheduling a physical downlink shared channel (PDSCH), wherein the DCI includes a bit field indicating a PUCCH cell;
receiving, from the base station, the PDSCH based on the DCI; and
transmitting, to the base station, the PUCCH with hybrid automatic repeat request acknowledgement (HARQ-ACK) information on the PUCCH cell in the PUCCH group based on the bit field.
2. The method of claim 1 ,
wherein a size of the bit field is 1 bit,
wherein the bit field with a value ‘0’ indicates a primary cell as the PUCCH cell in the PUCCH group to transmit the PUCCH with HARQ-ACK information, and
wherein the bit field with a value ‘1’ indicates the secondary cell corresponding to the index as the PUCCH cell in the PUCCH group to transmit the PUCCH with HARQ-ACK information.
3. The method of claim 1 , wherein the secondary cell is associated with time domain duplex (TDD).
4. A method performed by a base station in a communication system, the method comprising:
transmitting, to a terminal via higher layer signaling, first information indicating an index of a secondary cell for a physical uplink control channel (PUCCH) cell switching in a PUCCH group, and second information indicating whether the PUCCH cell switching based on dynamic indication in downlink control information (DCI) is enabled;
transmitting, to the terminal, DCI scheduling a physical downlink shared channel (PDSCH), wherein the DCI includes a bit field for indicating a PUCCH cell;
transmitting, to the terminal, the PDSCH according to the DCI; and
receiving, from the terminal, the PUCCH with hybrid automatic repeat request acknowledgement (HARQ-ACK) information on the PUCCH cell in the PUCCH group based on the bit field.
5. The method of claim 4 ,
wherein a size of the bit field is 1 bit,
wherein the bit field with a value ‘0’ indicates a primary cell as the PUCCH cell in the PUCCH group to transmit the PUCCH with HARQ-ACK information, and
wherein the bit field with a value ‘1’ indicates the secondary cell corresponding to the index as the PUCCH cell in the PUCCH group to transmit the PUCCH with HARQ-ACK information.
6. The method of claim 4 , wherein the p secondary cell is associated with time domain duplex (TDD).
7. A terminal in a communication system, the terminal comprising:
a transceiver; and
a controller configured to:
receive, from a base station via higher layer signaling, first information indicating an index of a secondary cell for a physical uplink control channel (PUCCH) cell switching in a PUCCH group, and second information indicating whether the PUCCH cell switching based on dynamic indication in downlink control information (DCI) is enabled,
receive, from the base station, DCI scheduling a physical downlink shared channel (PDSCH), wherein the DCI includes a bit field indicating a PUCCH cell,
receive, from the base station, the PDSCH based on the DCI, and
transmit, to the base station, the PUCCH with hybrid automatic repeat request acknowledgement (HARQ-ACK) information on the PUCCH cell in the PUCCH group based on the bit field.
8. The terminal of claim 7 ,
wherein a size of the bit field is 1 bit,
wherein the bit field with a value ‘0’ indicates a primary cell as the PUCCH cell in the PUCCH group to transmit the PUCCH with HARQ-ACK information, and
wherein the bit field with a value ‘1’ indicates the secondary cell corresponding to the index as the PUCCH cell in the PUCCH group to transmit the PUCCH with HARQ-ACK information.
9. The terminal of claim 7 , wherein the secondary cell is associated with time domain duplex (TDD).
10. A base station in a communication system, the base station comprising:
a transceiver; and
a controller configured to:
transmitting, to a terminal via higher layer signaling, first information indicating an index of a secondary cell for a physical uplink control channel (PUCCH) cell switching in a PUCCH group, and second information indicating whether the PUCCH cell switching based on dynamic indication in downlink control information (DCI) is enabled,
transmitting, to the terminal, DCI scheduling a physical downlink shared channel (PDSCH), wherein the DCI includes a bit field indicating a PUCCH cell,
transmitting, to the terminal, the PDSCH according to the DCI, and
receiving, from the terminal, the PUCCH with hybrid automatic repeat request acknowledgement (HARQ-ACK) information on the PUCCH cell in the PUCCH group based on the bit field.
11. The base station of claim 10 ,
wherein a size of the bit field is 1 bit,
wherein the bit field with a value ‘0’ indicates a primary cell as the PUCCH cell in the PUCCH group to transmit the PUCCH with HARQ-ACK information, and
wherein the bit field with a value ‘1’ indicates the secondary cell corresponding to the index as the PUCCH cell in the PUCCH group to transmit the PUCCH with HARQ-ACK information.
12. The base station of claim 10 , wherein the secondary cell is associated with time domain duplex (TDD).