Abstract: A method and apparatus for performing beam failure recovery in a wireless communication system are disclosed. A method for performing beam failure recovery by a user equipment according to embodiment of the present disclosure may include transmitting, to a base station, capability information including a maximum number of BFD-RSs per a BFD-RS set supported by the UE and receiving, from the base station, configuration information including information related to at least one BFD-RS set, and each of the at least one BFD-RS set may include the maximum number of BFD-RSs or less.

Abstract: A method and an apparatus for transmitting and receiving an uplink signal in a wireless communication system. A method of transmitting an uplink signal includes receiving configuration information related to a sounding reference signal (SRS) from a base station; and transmitting the SRS to the base station in one or more SRS resources in a SRS resource set configured by the configuration information. Based on time domain bundling between the SRS and an uplink demodulation reference signal (DMRS) being indicated, the SRS and the uplink DMRS are transmitted on the same antenna port and/or with the same spatial domain transmission filter.

Abstract: A method and an apparatus for transmitting/receiving a signal in a wireless communication system are disclosed. A method for receiving a downlink signal according to one embodiment of the present disclosure, may comprise steps of: receiving transmission configuration indicator (TCI) state information of a downlink signal from a base station, the TCI state information including quasi co-location (QCL) information for configuring QCL relation between the downlink signal and a reference signal; and receiving the downlink signal based on the TCI state information from the base station. The reference signal for the downlink signal may be configured based on a non-serving cell other than a serving cell of the terminal, a signal of a non-serving cell, measurement object information for radio resource management (RRM) measurement configured by the QCL information.

Abstract: A method for performing a beam failure recovery procedure in a wireless communication system according to an embodiment of the present disclosure, the method performed by a user equipment (UE) includes receiving configuration information related to the BFR, receiving a downlink reference signal (DL RS) based on the configuration information, detecting a beam failure based on measurement for the DL RS, and transmitting a request message for the BFR. The request message for the BFR is transmitted based on a PUCCH resource related to a scheduling request (SR). 1) The PUCCH resource related to the SR is one of a plurality of PUCCH resources configured for the beam failure recovery, and 2) the beam failure is based on being related to one or more cells: the PUCCH resource related to the SR is a specific PUCCH resource determined based on a preconfigured criterion among the plurality of PUCCH resources.

Abstract: Disclosed are a method and an apparatus for transmitting and receiving a PUSCH in a wireless communication system. A method of transmitting a PUSCH in a wireless communication system according to an aspect of the present disclosure may include: receiving, from a base station, configuration information related to an SRS, wherein the configuration information includes information on one or more SRS resource sets, and each of the one or more SRS resource sets includes a plurality of SRS resources; transmitting, to the base station, the SRS on a plurality of SRS resources in each of the one or more SRS resource sets; receiving, from the base station, DCI for scheduling the PUSCH for non-codebook based transmission, wherein the DCI includes one or more SRI fields; and transmitting, to the base station, the PUSCH based on the DCI.

Abstract: A method for transmitting a physical uplink shred channel (PUSCH) by a terminal in a wireless communication system according to an embodiment of the present specification comprises the steps of: receiving downlink control information (DCI) scheduling a physical uplink shared channel (PUSCH); and transmitting the physical uplink shared channel (PUSCH) on the basis of the DCI. The format of the DCI is DCI format 0_0. On the basis that spatial relation RS information for transmission of the physical uplink shared channel (PUSCH) is not configured, the physical uplink shared channel (PUSCH) is transmitted on the basis of spatial relation quasi-colocation (QCL) RS information of a predefined control resource set (CORESET).

Abstract: Disclosed are a method and a device for dynamically indicating and applying spatial parameters in a wireless communication system. A method for applying spatial parameters by means of a terminal in a wireless communication system, according to one embodiment of the present disclosure, comprises the steps of: receiving, from a base station, downlink control information (DCI) including first information on one or more spatial parameters, second information on time domain resource allocation, and third information on whether to schedule a data channel; transmitting, on the basis of the second information, hybrid automatic repeat request-acknowledgement (HARQ-ACK) information to the base station on the basis of the third information indicating that the data channel is not scheduled; and after transmitting the HARQ-ACK information, performing uplink transmission to the base station or downlink reception from the base station on the basis of the one or more spatial parameters based on the first information.

Abstract: A method of receiving, by a user equipment (UE), a physical downlink shared channel (PDSCH) in a wireless communication system is disclosed. The method comprises receiving configuration information related to the PDSCH, receiving a message representing an activation of a transmission configuration indicator (TCI) state related to the PDSCH, receiving physical downlink control information (DCI) scheduling the PDSCH, and receiving the PDSCH based on the DCI. Specific frequency domains related to the activation are determined based on the message, and the activated TCI states are related to the specific frequency domains.

Abstract: A method and an apparatus for transmitting/receiving a signal in a wireless communication system are disclosed. A method for receiving a downlink signal according to one embodiment of the present disclosure, may comprise steps of: receiving, from a base station, configuration information related to transmission parameters for a plurality of signals; receiving, from the base station, an update message for updating a transmission parameter for a specific downlink signal; and receiving the downlink signal based on the updated transmission parameter. Transmission parameters for one or more signals including the specific downlink signal among the plurality of signals may be all identically updated by the update message.

Abstract: A method of transmitting a sounding reference signal (SRS) by a user equipment (UE) in a wireless communication system comprises receiving configuration information related to a sounding reference signal (SRS), and transmitting the SRS based on the configuration information. The configuration information includes information related to an antenna switching, and the SRS is transmitted based on a plurality of SRS resource sets. Based on the plurality of SRS resource sets being configured in one or more slots, each of the plurality of SRS resource set is configured not to overlap with a guard period for the antenna switching in the one or more slots.

Abstract: A method and an apparatus for transmitting and receiving an uplink signal in a wireless communication system are disclosed. A method for transmitting an uplink signal according to one embodiment of the present disclosure may comprise the steps of: receiving, from a base station, configuration information related to transmission of the uplink signal; and transmitting the uplink signal to the base station on the basis of the configuration information. A spatial relation reference signal (RS) and a pathloss (PL) RS for the uplink signal are designated by means of the configuration information, and the uplink signal is transmitted through the same spatial domain transmission filter used for transmission and reception of the designated spatial relation RS, and the transmission power of the uplink signal may be determined on the basis of the designated PL RS.

Abstract: A method and an apparatus for transmitting and receiving channel state information (CSI) in a wireless communication system are disclosed. A method of performing downlink reception by a user equipment (UE) in a wireless communication system according to an embodiment of the present disclosure may comprise: receiving, from a base station, configuration information for two or more control resource set (CORESET) groups, each of the two or more CORESET groups including at least one CORESET; receiving, from the base station, information indicating two or more transmission configuration indicator (TCI) states; and based on the two or more TCI states, updating TCI state information for the two or more CORESET groups. Here, at least one of the two or more CORESET groups may include a specific CORESET associated with a plurality of TCI states.

Abstract: A method for performing a beam failure recovery procedure in a wireless communication system according to an embodiment of the present disclosure, the method performed by a user equipment (UE) includes receiving configuration information related to the BFR, receiving a downlink reference signal (DL RS) based on the configuration information, detecting a beam failure based on measurement for the DL RS, and transmitting a request message for the BFR. The request message for the BFR is transmitted based on a PUCCH resource related to a scheduling request (SR). 1) The PUCCH resource related to the SR is one of a plurality of PUCCH resources configured for the beam failure recovery, and 2) the beam failure is based on being related to one or more cells: the PUCCH resource related to the SR is a specific PUCCH resource determined based on a preconfigured criterion among the plurality of PUCCH resources.

Abstract: Disclosed are a method and an apparatus for performing uplink/downlink transmission and reception on the basis of a beam linkage state in a wireless communication system.

Abstract: A method and an apparatus of performing an uplink transmission or reception in a wireless communication system are disclosed. According to an embodiment of the present disclosure may comprise receiving, from a network, a plurality of transmission parameter sets, wherein the plurality of transmission parameter sets correspond to a plurality of control resource set (CORESET) pools, respectively; and performing, in a single time unit, a first uplink transmission related to a first CORESET pool based on a first transmission parameter set, and a second uplink transmission related to a second CORESET pool based on a second transmission parameter set, wherein each of the first transmission parameter set and the second transmission parameter set includes at least one of information related to transmit precoding matrix indicator (TPMI), information related to sounding reference signal (SRS), or information related to scrambling.

Abstract: A method of transmitting a sounding reference signal (SRS) by a user equipment (UE) in a wireless communication system includes receiving configuration information related to a plurality of transmission configuration indication (TCI) states, and transmitting the SRS based on a specific TCI state among the plurality of TCI states. The specific TCI state is related to one or more power control parameters for determining a transmission power of the SRS, and the one or more power control parameters are related to an SRS resource set for the transmission of the SRS.

Abstract: Disclosed are a method and device for performing beam failure recovery in a wireless communication system. In a method by which a terminal transmits an uplink or receives a downlink according to one embodiment of the present disclosure, the method comprises the steps of: transmitting a beam failure recovery request (BFRQ) to a base station on the basis of detection of a beam failure in at least one resource group from among a plurality of resource groups; receiving a response to the BFRQ from the base station; and transmitting information related to the beam failure to the base station, wherein the information related to the beam failure may indicate a specific resource group in which the beam failure is detected or the plurality of resource groups in which the beam failure is detected.

Abstract: Disclosed is a method for transmitting a sounding reference signal (SRS) for a plurality of uplink bands in a wireless communication system, according to various embodiments. Disclosed are the method and an apparatus therefor, the method comprising the steps of: receiving, from a base station, SRS configuration information for the plurality of uplink bands; and transmitting, to the base station, the SRS in each of the plurality of uplink bands, on the basis of the SRS configuration information. The SRS is transmitted via at least one SRS port allocated to each of the plurality of uplink bands by means of the SRS configuration information, and the at least one SRS port is allocated differently for each of the plurality of uplink bands.

Abstract: Disclosed are a method and a device for transmitting or receiving a sounding reference signal (SRS) in a wireless communication system. A method for transmitting a sounding reference signal (SRS) according to an embodiment of the present disclosure may comprise the steps of: receiving, from a base station, downlink control information (DCI) for scheduling a physical uplink shared channel (PUSCH) and triggering transmission of the SRS; and transmitting the PUSCH and the SRS to the base station on the basis of the DCI. A transmission bandwidth of the SRS may be determined on the basis of frequency resource allocation information for transmission of the PUSCH.

Abstract: A method of receiving, by a user equipment (UE), a physical downlink shared channel (PDSCH) in a wireless communication system is disclosed. The method comprises receiving configuration information related to the PDSCH, receiving a message representing an activation of a transmission configuration indicator (TCI) state related to the PDSCH, receiving physical downlink control information (DCI) scheduling the PDSCH, and receiving the PDSCH based on the DCI. Specific frequency domains related to the activation are determined based on the message, and the activated TCI states are related to the specific frequency domains.