Abstract: A user equipment may determine PDSCH receptions to transmit corresponding HARQ-ACK information in a HARQ-ACK codebook, and transmit the HARQ-ACK codebook on the basis of the PDSCH receptions. The determining of the PDSCH receptions may comprise: determining the PDSCH receptions on the basis of a union of first candidate values of a PDSCH_to_HARQ-ACK timing for a first DCI format and second candidate values of a PDSCH_to_HARQ-ACK timing for a second DCI format.

Abstract: A base station and a user equipment may determine whether to determine a start symbol value representing a start symbol of a physical downlink shared channel (PDSCH) on the basis of a reference point which is different from the start of a slot allocated for the PDSCH of a cell and is based on the subcarrier spacing of the cell and the subcarrier spacing of a scheduling cell for the cell. The base station/user equipment may transmit/receive, through the scheduling cell, the DCI including symbol information on the start symbol value for the PDSCH on the basis of the determination.

Abstract: Various embodiments of the present disclosure disclose a method for transmitting and receiving a signal in a wireless communication system and an apparatus supporting the same.

Abstract: Systems and techniques for transmitting a physical uplink control channel (PUCCH) carrying a scheduling request (SR) in a wireless communication system. In some implementations, a method performed by a terminal includes the steps of: receiving, from a base station, a first message related to configuration of an uplink (UL) resource; receiving, from the base station, a second message related to resource configuration of a PUCCH carrying the SR; determining a resource for transmission of the PUCCH carrying the SR; and transmitting, to the base station, the PUCCH carrying the SR on the determined resource.

Abstract: A user equipment (UE) operation related to at least one of embodiments of the disclosure may include multiplexing a plurality of UCIs on a single physical uplink shared channel (PUSCH), and transmitting the single PUSCH in which the plurality of UCIs are multiplexed. Based on that the UE is configured to multiplex UCIs having different priorities on the same PUSCH, that a priority of a first UCI included in the plurality of UCIs is Priority-H higher than Priority-L, and that the first UCI with the Priority-H includes 2-part channel state information (CSI), the UE may drop all hybrid automatic repeat request-acknowledgement (HARQ-ACK) information of a second UCI with the Priority-L lower than the Priority-H, and map a first part of the CSI and a second part of the CSI onto the single PUSCH.

Abstract: A UE may perform PDSCH reception in a plurality of cells including a primary cell and including a secondary cell configured for PUCCH cell switching, determine a slot n+K on the primary cell, based on a HARQ-ACK feedback timing value K for the PDSCH reception determined among a set of HARQ-ACK feedback timing values configured for the primary cell and on a last slot n overlapping with the PDSCH reception among slots of the primary cell, and transmit the HARQ-ACK information for the PDSCH reception in a slot m on the secondary cell, based on using the secondary cell for transmission of the HARQ-ACK information for the PDSCH reception based on the PUCCH cell switching. The slot m may be a slot including start of the slot n+K among slots of the secondary cell overlapping with the slot n+K.

Abstract: A method and an apparatus for performing uplink transmission/reception in a wireless communication system are disclosed. A method for performing communication by a user equipment (UE) according to an embodiment of the present disclosure includes receiving configuration information including information related to uplink transmission based on a configured grant (CG) from a base station; and based on the configuration information, performing an initial uplink transmission of a transport block (TB) in a first transmission occasion (TO) associated with a redundancy version (RV) which is 0 among a plurality of TOs, and the plurality of TOs correspond to a first sounding reference signal (SRS) resource set and a second SRS resource set.

Abstract: Systems and techniques for transmitting a physical uplink control channel (PUCCH) carrying a scheduling request (SR) in a wireless communication system. In some implementations, a method performed by a terminal includes the steps of: receiving, from a base station, a first message related to configuration of an uplink (UL) resource; receiving, from the base station, a second message related to resource configuration of a PUCCH carrying the SR; determining a resource for transmission of the PUCCH carrying the SR; and transmitting, to the base station, the PUCCH carrying the SR on the determined resource.

Abstract: Disclosed are a method for performing uplink transmission in a wireless communication system and an apparatus therefor. Specifically, a method for performing uplink transmission in a wireless communication system, which is performed by a user equipment includes: receiving, from a base station, configuration information for performing uplink transmission without an uplink grant; and transmitting uplink data, to the base station, through at least one uplink resource configured based on the configuration information, in which the configuration information may be received through a higher layer signaling, and the configuration information may include information related to repetition transmission of the uplink data.

Abstract: The present invention relates to a wireless communication system, and may comprise receiving a period and additional information for a semi-persistent scheduling (SPS) operation from a base station, determining a transmission resource based on the period and the additional information for the SPS operation, and receiving downlink data or transmitting uplink data in the transmission resource, wherein data traffic including the downlink data and the uplink data has a period corresponding to a non-integer multiple of a reference time unit, and the additional information is determined based on the period of the data traffic.

Abstract: A transmission device may perform listen-before-talk (LBT) with regard to an unlicensed band. The transmission device may determine M LBT sub-bands which are in an idle state, on the basis of the performing of the LBT for the unlicensed band. The transmission device may perform N repetitive transmissions of a transport block (TB) over the M LBT sub-bands. The N repetitive transmissions of the TB may include performing M repetitive transmissions over the M LBT sub-bands, respectively.

Abstract: A base station and a user equipment may determine whether to determine a start symbol value representing a start symbol of a physical downlink shared channel (PDSCH) on the basis of a reference point which is different from the start of a slot allocated for the PDSCH of a cell and is based on the subcarrier spacing of the cell and the subcarrier spacing of a scheduling cell for the cell. The base station/user equipment may transmit/receive, through the scheduling cell, the DCI including symbol information on the start symbol value for the PDSCH on the basis of the determination.

Abstract: A UE can perform first uplink transmission on the basis of a first scheduling message without NDI, receive a second scheduling message including an NDI field, and perform i) retransmission for the first uplink transmission or ii) new uplink transmission on the basis of the NDI field in the second scheduling message. Performing the retransmission for the first uplink transmission or the new uplink transmission can comprise: determining, in a state in which an NDI value for the first scheduling message is considered a specific value, whether the value of the NDI field is toggled in comparison to the specific value; performing the retransmission for the first uplink transmission on the basis of the non-toggling of the value of the NDI field in comparison to the specific value; and performing the new uplink transmission on the basis of the toggling of the value of the NDI field in comparison to the specific value.

Abstract: A method of performing, by a user equipment (UE), uplink transmission in a wireless communication system. The method includes: receiving, from a base station (BS), a plurality of RRC configuration information related to downlink control information (DCI); receiving, from the BS, first DCI for the uplink transmission, wherein the first DCI includes a field related to a usage of the first DCI; applying parameters of a specific RRC configuration information, among the plurality of RRC configuration information, to the first DCI based on the usage of the first DCI indicated by the field of the first DCI, wherein based on a size of the field of the first DCI being smaller than a field size of second DCI for PUSCH transmission, the field of the first DCI is zero bit padded and decoded; and performing the uplink transmission to the BS based on the first DCI.

Abstract: The present document provides a method for receiving information informing a transmission configuration indicator (TCI) change in a wireless communication system, the method performed by a user equipment (UE) and comprising: performing an initial access procedure with a network, receiving the information informing the TCI change from a first transmission reception point (TRP) in the network, performing a physical downlink control channel (PDCCH) monitoring based on the information informing the TCI change.

Abstract: The present specification provides a method for transmitting a transport block (TB) by using downlink control information (DCI) in a wireless communication system. In particular, the method, performed by a terminal, comprises: receiving first DCI from a base station; selecting a modulation and coding scheme (MCS) table, on the basis of the first DCI; calculating a first transport block size (TBS), on the basis of at least one of a format of the first DCI and the selected MCS table; and transmitting, to the base station, a first TB according to the calculated first TBS, wherein the first TBS is the same as a second TBS of a second TB transmitted before the transmission of the first TB.

Abstract: In the present specification, a user equipment may: receive RRC configuration including first configuration information relating to a first DCI format and second configuration information relating to a second DCI format; receive a configured grant configuration including a repetition scheme and resource allocation information; determine resource allocation of a configured grant on the basis of i) configuration information, which includes the same repetition scheme as the repetition scheme in the configured grant configuration, among the first configuration information and the second configuration information, and ii) the resource allocation information; and perform PUSCH transmission on the basis of the resource allocation. Each of the first configuration information and the second configuration information may include a TDRA table.

Abstract: A method for a user equipment (UE) to perform an uplink transmission through a frequency hopping in a wireless communication system is disclosed. More specifically, the method includes receiving uplink (UL)-downlink (DL) configuration information from a base station; and performing the uplink transmission through the frequency hopping for each non-slot on non-slots that are repeated at least two times within one slot based on the UL-DL configuration information, wherein the non-slot is a scheduling unit with a smaller time interval than the one slot.

Abstract: According to an aspect of the present disclosure, a method for transmitting an uplink signal by a user equipment in a wireless communication system comprises: receiving information on a plurality of PUCCH resource sets; and on the basis of a first PUCCH resource associated with a first uplink signal and a second PUCCH resource associated with a second uplink signal, which overlap on a time domain, multiplexing the first uplink signal and the second uplink signal to a PUCCH resource included in one PUCCH resource set among the plurality of PUCCH resource sets, wherein the plurality of PUCCH resource sets are configured to have priorities, and the one PUCCH resource set is a PUCCH resource set having the highest priority from among the plurality of PUCCH resource sets.

Abstract: One disclosure of the present specification provides a method for receiving, by a user equipment (UE), a downlink control channel. The method may comprise a step of receiving a downlink control channel. The downlink control channel may be scrambled by a scrambling sequence. The scrambling sequence may be initialized by using a predetermined identifier which is different from an identifier (ID) of the UE.