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 a 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 related to the SPS PDSCHs, and
when the first PUCCH resource overlaps with 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), defer a transmission of second HARQ-ACK information from the first HARQ-ACK information to a second PUCCH,
wherein the second HARQ-ACK information corresponds 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 time difference between a slot of the second PUCCH and a slot of a corresponding SPS PDSCH reception.
2. The UE of claim 1 , wherein the deferring the transmission of the second HARQ-ACK information includes:
if a first earliest PUCCH where the second HARQ-ACK information can be multiplexed, after the first PUCCH resource, is valid for transmission, the first earliest PUCCH is used as the second PUCCH, and
if the first earliest PUCCH is not valid for transmission due to an overlap with at least one of the semi-static downlink symbol, the symbol for SSB or the symbol for CORESET #0, determining a second earliest PUCCH where the second HARQ-ACK information can be multiplexed.
3. The UE of claim 1 , 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.
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 a 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 related to the SPS PDSCHs; and
when the first PUCCH resource overlaps with 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), deferring a transmission of second HARQ-ACK information from the first HARQ-ACK information to a second PUCCH,
wherein the second HARQ-ACK information corresponds 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 time difference between a slot of the second PUCCH and a slot of a corresponding SPS PDSCH reception.
5. The method of claim 4 , wherein the deferring the transmission of the second HARQ-ACK information includes:
if a first earliest PUCCH where the second HARQ-ACK information can be multiplexed, after the first PUCCH resource, is valid for transmission, the first earliest PUCCH is used as the second PUCCH, and
if the first earliest PUCCH is not valid for transmission due to an overlap with at least one of the semi-static downlink symbol, the symbol for SSB or the symbol for CORESET #0, determining a second earliest PUCCH where the second HARQ-ACK information can be multiplexed.
6. The method of claim 4 , 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.
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 a-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 related to the SPS PDSCHs, and
when the first PUCCH resource overlaps with 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), defer a reception of second HARQ-ACK information from the first HARQ-ACK information to a second PUCCH,
wherein the second HARQ-ACK information corresponds 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 time difference between a slot of the second PUCCH and a slot of a corresponding SPS PDSCH transmission.
8. The BS of claim 7 , wherein the deferring the reception of the second HARQ-ACK information includes:
if a first earliest PUCCH where the second HARQ-ACK information can be multiplexed, after the first PUCCH resource, is valid for reception, the first earliest PUCCH is used as the second PUCCH, and
if the first earliest PUCCH is not valid for reception due to an overlap with at least one of the semi-static downlink symbol, the symbol for SSB or the symbol for CORESET #0, determining a second earliest PUCCH resource where the second HARQ-ACK information can be multiplexed.
9. The BS of claim 7 , 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.
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 related to the SPS PDSCHs; and
when the first PUCCH resource overlaps with 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), deferring a reception of second HARQ-ACK information from the first HARQ-ACK information to a second PUCCH,
wherein the second HARQ-ACK information corresponds 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 time difference between a slot of the second PUCCH and a slot of a corresponding SPS PDSCH transmission.
11. The method of claim 10 , wherein the deferring the reception of the second HARQ-ACK information includes:
if a first earliest PUCCH where the second HARQ-ACK information can be multiplexed, after the first PUCCH resource, is valid for reception, the first earliest PUCCH is used as the second PUCCH, and
if the first earliest PUCCH is not valid for reception due to an overlap with at least one of the semi-static downlink symbol, the symbol for SSB or the symbol for CORESET #0, determining a second earliest PUCCH where the second HARQ-ACK information can be multiplexed.
12. The method of claim 10 , 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.