Method and apparatus for periodically transmitting and receiving data in wireless communication system
The present disclosure relates to a communication technique for merging, with an IoT technology, a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure can be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail business, security-and safety-related services, and the like) on the basis of a 5G communication technology and an IoT-related technology. The present disclosure discloses a method and apparatus for transmitting and receiving downlink grant-free-based data.
1. A method performed by a terminal in a wireless communication system, the method comprising:
receiving, from a base station, a radio resource control (RRC) message including a time division duplex (TDD) configuration;
receiving, from the base station, at least one semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH);
identifying a first slot for a first physical uplink control channel (PUCCH) with first hybrid automatic repeat request-acknowledgment (HARQ-ACK) information bits associated with the at least one SPS PDSCH;
identifying an earliest second slot for a second PUCCH in case that a symbol associated with the first PUCCH in the first slot is indicated as a downlink based on the TDD configuration; and
transmitting, to the base station, the second PUCCH with second HARQ-ACK information bits in the earliest second slot,
wherein in case that a first PDSCH and a second PDSCH with a same HARQ process ID are received prior to transmitting the second PUCCH, a HARQ-ACK information bit for the first PDSCH is not included in the second HARQ-ACK information bits.
2. The method of claim 1 , wherein the first PDSCH is received earlier than the second PDSCH.
3. The method of claim 1 ,
wherein the second PUCCH resource does not have a symbol indicated as the downlink.
4. A method performed by a base station in a wireless communication system, the method comprising:
transmitting, to a terminal, a radio resource control (RRC) message including a time division duplex (TDD) configuration;
transmitting, to the terminal, at least one semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH);
identifying a first slot for a first physical uplink control channel (PUCCH) with first hybrid automatic repeat request-acknowledgement (HARQ-ACK) information bits associated with the at least one SPS PDSCH;
identifying an earliest second slot for a second PUCCH in case that a symbol associated with the first PUCCH in the first slot is indicated as a downlink based on the TDD configuration; and
receiving, from the terminal, the second PUCCH with second HARQ-ACK information bits in the earliest second slot,
wherein in case that a first PDSCH and a second PDSCH with a same HARQ process ID are transmitted prior to receiving the second PUCCH, a HARQ-ACK information bit for the first PDSCH is not included in the second HARQ-ACK information bits.
5. The method of claim 4 , wherein the first PDSCH is transmitted earlier than the second PDSCH.
6. The method of claim 4 ,
wherein the second PUCCH resource does not have a symbol indicated as the downlink.
7. A terminal in a wireless communication system, the terminal comprising:
a transceiver configured to transmit and receive signals; and
a processor operably coupled to the transceiver, wherein the processor is configured to:
control the transceiver to receive, from a base station, a radio resource control (RRC) message including a time division duplex (TDD) configuration,
control the transceiver to receive, from the base station, at least one semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH),
identify a first slot for a first physical uplink control channel (PUCCH) with first hybrid automatic repeat request-acknowledgement (HARQ-ACK) information bits associated with the at least one SPS PDSCH,
identify an earliest second slot for a second PUCCH in case that a symbol associated with the first PUCCH in the first slot is indicated as a downlink based on the TDD configuration, and
control the transceiver to transmit, to the base station, the second PUCCH with second HARQ-ACK information bits in the earliest second slot,
wherein in case that a first PDSCH and a second PDSCH with a same HARQ process ID are received prior to transmitting the second PUCCH, a HARQ-ACK information bit for the first PDSCH is not included in the second HARQ-ACK information bits.
8. The terminal of claim 7 , wherein the first PDSCH is received earlier than the second PDSCH.
9. The terminal of claim 7 ,
wherein the second PUCCH resource does not have a symbol indicated as the downlink.
10. A base station in a wireless communication system, the base station comprising:
a transceiver configured to transmit and receive signals; and
a processor operably coupled to the transceiver, wherein the processor is configured to:
control the transceiver to transmit, to a terminal, a radio resource control (RRC) message including a time division duplex (TDD) configuration,
control the transceiver to transmit, to the terminal, at least one semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH),
identify a first slot for a first physical uplink control channel (PUCCH) with first hybrid automatic repeat request-acknowledgement (HARQ-ACK) information bits associated with the at least one SPS PDSCH,
identify an earliest second slot for a second PUCCH in case that a symbol associated with the first PUCCH in the first slot is indicated as a downlink based on the TDD configuration, and
control the transceiver to receive, from the terminal, the second PUCCH with second HARQ-ACK information bits in the earliest second slot,
wherein in case that a first PDSCH and a second PDSCH with a same HARQ process ID are transmitted prior to receiving the second PUCCH, a HARQ-ACK information bit for the first PDSCH is not included in the second HARQ-ACK information bits.
11. The base station of claim 10 , wherein the first PDSCH is transmitted earlier than the second PDSCH.