Abstract: A method according to an embodiment of the present disclosure comprises the steps of: receiving a DCI; transmitting a PRACH; receiving a PDCCH associated with a RAR; and receiving a PDSCH associated with the RAR. The PRACH is associated with a second cell that is different from the first cell. A CRC of the DCI associated with the PDCCH is scrambled on the basis of an RNTI. The RNTI is characterized by a random access (RA)-RNTI calculated on the basis of information associated with the second cell.

Abstract: A method performed by a terminal in a wireless communication system according to one embodiment of the present disclosure comprises the steps of determining a plurality of Beam Failure Detection (BFD)-Reference Signal (RS) sets and determining a beam failure based on each of the plurality of BFD-RS sets. Each BFD-RS set includes RS indexes based on Control REsource SETs (CORESETs) related to one of a plurality of CORESET pool indexes. The RS indexes are determined based on at least one of i) a unified Transmission Configuration Indicator (TCI) state related to the CORESETs from among a plurality of unified TCI states, ii) a TCI state related to a specific CORESET from among the CORESETs, and/or iii) an RS mapped to a BFD-RS set ID.

Abstract: A method according to an embodiment of the present disclosure comprises the steps of: receiving configuration information; transmitting a PRACH; and receiving an RAR on the basis of a window related to the RAR. The configuration information includes i) a first RACH configuration related to a PCI of a serving cell and ii) a second RACH configuration related to an additional PCI. The RAR is related to one of two TAGs. The PCI is related to a first TAG, and the additional PCI is related to a second TAG. On the basis that the PRACH is related to the additional PCI, a length of the window is determined on the basis of a response window parameter related to the second RACH configuration.

Abstract: A method and a device for transmitting/receiving a demodulation reference signal in a wireless communication system are disclosed. A method for receiving a demodulation reference signal (DM-RS) according to an embodiment of the present disclosure may include the steps of: receiving configuration information related to a DM-RS from a base station; receiving a downlink control information (DCI) for scheduling a physical downlink control channel (PDSCH) from the base station; and receiving the PDSCH and a MD-RS for the PDSCH, based on the DCI.

Abstract: A method performed by a user equipment (UE) according to an embodiment of the present disclosure includes receiving configuration information and transmitting a first uplink signal related to a first TAG and/or a second uplink signal related to a second TAG. Based on the first uplink signal and the second uplink signal being overlapped, the first uplink signal and/or the second uplink signal are transmitted based on a rule. The rule is related to a Simultaneous Transmission across Multiple Panels (STxMP).

Abstract: The present disclosure provides a method by which a terminal transmits a sounding reference signal (SRS) in a wireless communication system.

Abstract: A method performed by a terminal in a wireless communication system, according to an embodiment of the present disclosure, comprises the steps of: receiving first configuration information; receiving second configuration information; determining a first uplink timing and a second uplink timing; transmitting a first uplink channel/signal on the basis of the first uplink timing; and transmitting a second uplink channel/signal on the basis of the second uplink timing.

Abstract: A method according to an embodiment of the present disclosure comprises receiving a PDCCH order, transmitting a PRACH, receiving a PDCCH related to a RAR, and receiving a PDSCHd to the RAR. Based on a CORESET related to the PDCCH order being related to a second physical cell ID different from a first physical cell ID: the PDCCH and the PDSCH are received based on QCL properties. The QCL properties are based on a CORESET related to a Type 1-PDCCH CSS set.

Abstract: A method of a user equipment for transmitting an uplink signal in a wireless communication system is disclosed. The method comprises receiving configuration information related to a plurality of transmission configuration indication (TCI) states, and transmitting the uplink signal based on a specific TCI state among the plurality of TCI states. The specific TCI state includes at least one of i) a reference RS used for an uplink transmission or ii) a reference RS commonly used for the uplink transmission and a downlink reception. A transmission power of the uplink signal is determined based on the specific TCI state, and the specific TCI state is related to one or more power control parameters for determining the transmission power of the uplink signal.

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: 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 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 and a device for transmitting/receiving a demodulation reference signal in a wireless communication system are disclosed. A method for receiving a demodulation reference signal (DM-RS) according to an embodiment of the present disclosure may include the steps of: receiving configuration information related to a DM-RS from a base station; receiving a downlink control information (DCI) for scheduling a physical downlink control channel (PDSCH) from the base station; and receiving the PDSCH and a MD-RS for the PDSCH, based on the DCI.

Abstract: A method performed by a terminal in a wireless communication system, according to one embodiment of the present disclosure, may comprise the steps of: receiving configuration information; receiving beam indication; and receiving, on the basis of the beam indication, physical signals/channels from the same time, frequency, and space resources. The configuration information includes i) a configuration for beam indication related to spatial prediction, and ii) information related to a plurality of reference signals (RSs) for the beam indication. The beam indication indicates one or more RSs from among the plurality of RSs.

Abstract: Disclosed are a method and a device for transmitting or receiving channel state information in a wireless communication system. A method for transmitting channel state information (CSI) according to an embodiment of the present disclosure may comprise the steps of receiving, from a base station, first configuration information related to a CSI report and second configuration information related to a CSI resource, wherein the second configuration information includes information on M (M is a natural number) CSI resource sets associated with the first configuration information on the basis of a group-based report being configured by the first configuration information; receiving, from the base station, a CSI-reference signal (CSI-RS) on a plurality of CSI resources of the M CSI resource sets on the basis of the second configuration information; and transmitting the CSI to the base station on the basis of the first configuration information.

Abstract: Disclosed are a method and a device for performing a downlink transmission or reception on the basis of reference signal linkage in a wireless communication system.

Abstract: A method for reporting channel state information (CSI) by a terminal in a wireless communication system according to an embodiment of the present specification comprises the steps of: receiving configuration information related to channel state information (CSI): receiving a downlink reference signal (DL RS); calculating the CSI on the basis of the DL RS; and reporting the CSI. The CSI relates to group-based beam reporting, and a specific reference for the CSI reporting may be set for each group on the basis of the configuration information. The CSI includes information on one or more of DL RSs on the basis of the specific reference for each group.

Abstract: A method of a user equipment (UE) to report a power headroom (PH) in a wireless communication system includes receiving configuration information related to the power headroom (PH), and transmitting a message for a report of the PH. The report of the PH is triggered based on a pre-configured event, and the message for the report of the PH includes information related to P-MPR (Power management-Maximum Power Reduction). The information related to the P-MPR includes one or more values related to the PH, and the one or more values related to the PH are related to one or more specific indexes.

Abstract: According to at least one of embodiments disclosed in the present specification, a method by which a terminal transmits a signal in a wireless communication system comprises: receiving a medium access control (MAC) control element (CE) related to transmission based on at least eight uplink antenna ports; receiving, over a physical downlink control channel (PDCCH), DCI for uplink scheduling, including a transmission precoding matrix index (TPMI) field; and transmitting an uplink signal on the basis of the DCI, wherein, on the basis that the DCI is for the transmission based on the at least eight uplink antenna ports, a set of precoding matrixes is determined by means of the MAC CE, and, from the set of the precoding matrixes determined through the MAC CE, a precoding matrix for the uplink signal may be determined on the basis of an index value of the TPMI field.

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.