Method, device, and system for transmitting physical uplink control channel in wireless communication system
The present specification relates to a method, a device, and a system for transmitting a physical uplink control channel in a wireless communication system. The present specification discloses a terminal comprising: a communication module for receiving, from a base station, information on a PUCCH serving cell corresponding to a serving cell on which a PUCCH is to be transmitted, generating the PUCCH, and transmitting the generated PUCCH on the PUCCH serving cell; and a processor for configuring the PUCCH serving cell on the basis of the information on the PUCCH serving cell. The terminal can effectively transmit uplink control information.
1. A user equipment (UE) configured to operate in a wireless communication system, the UE comprising:
a processor; and
a communication module,
wherein the processor is configured to:
receive semi-persistent scheduling physical downlink shared channels (SPS PDSCHs) based on SPS configurations, each of the SPS configurations including a respective maximum deferral duration,
determine a first physical uplink control channel (PUCCH) resource for transmitting a first PUCCH for first hybrid automatic repeat request acknowledgement (HARQ-ACK) information bits related to the SPS PDSCHs,
based on that the first PUCCH resource overlaps with a symbol unavailable for PUCCH transmission, determine a second PUCCH for third HARQ-ACK information bits, the third HARQ-ACK information bits including second HARQ-ACK information bits from the first HARQ-ACK information bits, and
transmit the second PUCCH including the third HARQ-ACK information bits,
wherein the second HARQ-ACK information bits correspond to one or more SPS configurations, each of the one or more SPS configurations having a maximum deferral duration that is larger than or equal to a value related to a time difference between a slot of the second PUCCH and a slot of a corresponding SPS PDSCH reception,
wherein the second PUCCH is allocated on either a primary cell or a secondary cell, based on a periodic cell switching pattern configured by a bit-map of a radio resource control (RRC) signal, and
wherein each bit of the bit-map corresponds to a respective slot in reference to a numerology of the primary cell, and each bit value of the bit-map indicates either the primary cell or the secondary cell as a cell for PUCCH transmission in a corresponding slot.
2. The UE of claim 1 , wherein the symbol unavailable for PUCCH transmission includes at least one of a semi-static downlink symbol, a symbol for synchronization signal/physical broadcast channel (SSB) or a symbol for control resource set #0 (CORESET #0).
3. The UE of claim 1 , wherein the determining the second PUCCH includes:
if a first earliest PUCCH where the second HARQ-ACK information bits can be multiplexed, after the first PUCCH resource, is valid for transmission, determining the first earliest PUCCH as the second PUCCH, and
if the first earliest PUCCH is not valid for transmission, determining a second earliest PUCCH where the second HARQ-ACK information bits can be multiplexed.
4. A method for use by a user equipment (UE) in a wireless communication system, the method comprising:
receiving semi-persistent scheduling physical downlink shared channels (SPS PDSCHs) based on SPS configurations, each of the SPS configurations including a respective maximum deferral duration;
determining a first physical uplink control channel (PUCCH) resource for transmitting a first PUCCH for first hybrid automatic repeat request acknowledgement (HARQ-ACK) information bits related to the SPS PDSCHs;
based on that the first PUCCH resource overlaps with a symbol unavailable for PUCCH transmission, determine a second PUCCH for third HARQ-ACK information bits, the third HARQ-ACK information bits including second HARQ-ACK information bits from the first HARQ-ACK information bits; and
transmitting the second PUCCH including the third HARQ-ACK information bits,
wherein the second HARQ-ACK information bits correspond to one or more SPS configurations, each of the one or more SPS configurations having a maximum deferral duration that is larger than or equal to a value related to a time difference between a slot of the second PUCCH and a slot of a corresponding SPS PDSCH reception,
wherein the second PUCCH is allocated on either a primary cell or a secondary cell, based on a periodic cell switching pattern configured by a bit-map of a radio resource control (RRC) signal, and
wherein each bit of the bit-map corresponds to a respective slot in reference to a numerology of the primary cell, and each bit value of the bit-map indicates either the primary cell or the secondary cell as a cell for PUCCH transmission in a corresponding slot.
5. The method of claim 4 , wherein the symbol unavailable for PUCCH transmission includes at least one of a semi-static downlink symbol, a symbol for synchronization signal/physical broadcast channel (SSB) or a symbol for control resource set #0 (CORESET #0).
6. The method of claim 4 , wherein the determining the second PUCCH includes:
if a first earliest PUCCH where the second HARQ-ACK information bits can be multiplexed, after the first PUCCH resource, is valid for transmission, determining the first earliest PUCCH as the second PUCCH, and
if the first earliest PUCCH is not valid for transmission, determining a second earliest PUCCH where the second HARQ-ACK information bits can be multiplexed.
7. A base station (BS) configured to operate in a wireless communication system, the BS comprising:
a processor; and
a communication module,
wherein the processor is configured to:
transmit semi-persistent scheduling physical downlink shared channels (SPS PDSCHs) based on SPS configurations, each of the SPS configurations including a respective maximum deferral duration,
determine a first physical uplink control channel (PUCCH) resource for receiving a first PUCCH for first hybrid automatic repeat request acknowledgement (HARQ-ACK) information bits related to the SPS PDSCHs,
based on that the first PUCCH resource overlaps with a symbol unavailable for PUCCH reception, determine a second PUCCH for third HARQ-ACK information bits, the third HARQ-ACK information bits including second HARQ-ACK information bits from the first HARQ-ACK information bits, and
receive the second PUCCH including the third HARQ-ACK information bits,
wherein the second HARQ-ACK information bits correspond to one or more SPS configurations, each of the one or more SPS configurations having a maximum deferral duration that is larger than or equal to a value related to a time difference between a slot of the second PUCCH and a slot of a corresponding SPS PDSCH transmission,
wherein the second PUCCH is allocated on either a primary cell or a secondary cell, based on a periodic cell switching pattern configured by a bit-map of a radio resource control (RRC) signal, and
wherein each bit of the bit-map corresponds to a respective slot in reference to a numerology of the primary cell, and each bit value of the bit-map indicates either the primary cell or the secondary cell as a cell for PUCCH transmission in a corresponding slot.
8. The BS of claim 7 , wherein the symbol unavailable for PUCCH reception includes at least one of a semi-static downlink symbol, a symbol for synchronization signal/physical broadcast channel (SSB) or a symbol for control resource set #0 (CORESET #0).
9. The BS of claim 7 , wherein determining the second PUCCH includes:
if a first earliest PUCCH where the second HARQ-ACK information bits can be multiplexed, after the first PUCCH resource, is valid for reception, determining the first earliest PUCCH as the second PUCCH, and
if the first earliest PUCCH is not valid for reception, determining a second earliest PUCCH where the second HARQ-ACK information bits can be multiplexed.
10. A method for use by a base station (BS) in a wireless communication system, the method comprising:
transmitting semi-persistent scheduling physical downlink shared channels (SPS PDSCHs) based on SPS configurations, each of the SPS configurations including a respective maximum deferral duration;
determining a first physical uplink control channel (PUCCH) resource for receiving a first PUCCH for first hybrid automatic repeat request acknowledgement (HARQ-ACK) information bits related to the SPS PDSCHs; and
based on that the first PUCCH resource overlaps with a symbol unavailable for PUCCH reception, determining a second PUCCH for third HARQ-ACK information bits, the third HARQ-ACK information bits including second HARQ-ACK information bits from the first HARQ-ACK information bits; and
receiving the second PUCCH including the third HARQ-ACK information bits,
wherein the second HARQ-ACK information bits correspond to one or more SPS configurations, each of the one or more SPS configurations having a maximum deferral duration that is larger than or equal to a value related to a time difference between a slot of the second PUCCH and a slot of a corresponding SPS PDSCH transmission,
wherein the second PUCCH is allocated on either a primary cell or a secondary cell, based on a periodic cell switching pattern configured by a bit-map of a radio resource control (RRC) signal, and
wherein each bit of the bit-map corresponds to a respective slot in reference to a numerology of the primary cell, and each bit value of the bit-map indicates either the primary cell or the secondary cell as a cell for PUCCH transmission in a corresponding slot.
11. The method of claim 10 , wherein the symbol unavailable for PUCCH reception includes at least one of a semi-static downlink symbol, a symbol for synchronization signal/physical broadcast channel (SSB) or a symbol for control resource set #0 (CORESET #0).
12. The method of claim 10 , wherein the determining the second PUCCH includes:
if a first earliest PUCCH where the second HARQ-ACK information bits can be multiplexed, after the first PUCCH resource, is valid for reception, determining the first earliest PUCCH as the second PUCCH, and
if the first earliest PUCCH is not valid for reception, determining a second earliest PUCCH where the second HARQ-ACK information bits can be multiplexed.