Abstract: Provided are a method by which a terminal performs decoding in a wireless communication system, and a device. According to the present disclosure, provided are a method and a device, which: receive, from a base station through a DMRS symbol, a demodulation reference signal (DMRS) set according to a specific pattern by the base station, wherein the demodulation reference signal is transmitted in a specific antenna port and positioned on one or two time axis symbols, which are the same as at least one other o demodulation reference signal transmitted in another antenna port; and decode data by using the demodulation reference signal.

Abstract: Disclosed are a method for transmitting and receiving an uplink channel in a wireless communication system and an apparatus therefor. Specifically, a method for transmitting, by a user equipment (UE), an uplink channel may include: receiving a specific reference signal from a base station; determining the number of beams for transmitting an uplink control channel for reporting uplink control information generated based on the specific reference signal; and transmitting, to the base station, the uplink control channel via a single beam or a plurality of beams, in which the number of beams may be determined based on at least one of measurement information by a downlink reference signal received by the base station or a type of uplink control information.

Abstract: The present invention provides a method for transmitting or receiving a downlink signal between a terminal and a base station in a wireless communication system and an apparatus for supporting same. According to an embodiment applicable to the present invention, a terminal may assume, on the basis of received first downlink control information (DCI), whether a first physical downlink shared channel (PDSCH) scheduled by the first DCI is received while overlapping with another physical downlink shared channel in terms of time/frequency resources, and on the basis of the assumption, the terminal can receive the first PDSCH more reliably.

Abstract: The present invention relates to a method and a device for allowing a terminal to perform decoding in a wireless communication system. According to the present invention, provided are a method and a device for receiving, from a base station through DMRS symbols, a first demodulation reference signal (DMRS) and a second DMRS, which are set according to specific patterns, wherein: each of the first DMRS and the second DMRS is transmitted on a specific antenna port and is located on the same time axis symbol as at least one different DMRS transmitted on the other antenna port; a location of the time axis symbol of the second DMRS is determined according to a service type of transmitted data; and the data are decoded by using the first DMRS and/or the second DMRS.

Abstract: Disclosed is a method for transmitting and receiving a channel state information (CSI)-reference signal (RS) in a wireless communication system. Specifically, the method performed by a base station may include: configuring control information indicating that an antenna port for all CSI-RS resources included in a CSI-RS resource set is same, wherein the CSI-RS resource set is used for tracking at least one of a time or a frequency; transmitting the configured control information to a user equipment (UE); and transmitting the CSI-RS to the UE through all the CSI-RS resources. In doing so, the UE is capable of performing time/frequency tracking more precisely.

Abstract: The present disclosure provides a method for a user equipment (UE) to receive a reference signal from a base station in a wireless communication system. More specifically, the method includes receiving, from the base station, configuration information, wherein the configuration information includes first mapping information related to a mapping relationship between a plurality of mapping patterns, to which dedicated demodulation reference signals are mapped on a resource, and a plurality of transmission beams through which the dedicated demodulation reference signals are transmitted; receiving, from the base station, a first demodulation reference signal related to a demodulation of downlink data; and receiving, from the base station, the downlink data via a channel estimated based on the first demodulation reference signal.

Abstract: Disclosed are a method for transmitting or receiving a phase tracking reference signal between a terminal and a base station in a wireless communication system and an apparatus supporting the method. According to one embodiment applicable to the present invention, on the basis of association between the PT-RS and greater of the two demodulation reference signal (DMRS) port indices under code division multiplexing in the time domain (CDM-T), a terminal and a base station determine a first resource for the PT-RS, and transmit and receive same by means of the first resource, wherein the first resource is located on the same subcarrier as a second resource, which is for a PT-RS associated with the smaller of the two DMRS port indices under CDM-T, but on a different symbol than the second resource.

Abstract: A method for estimating, by a device using an FDR scheme, a non-linear self-interference signal channel comprises a step of estimating a non-linear self-interference signal channel using a first sequence set included in a predefined first sequence set, wherein the predefined first sequence set is defined in consideration of non-linear self-interference signal components in an RF transmission chain and an RF reception chain of the device.

Abstract: A method for transmitting a sounding reference signal (SRS) by a by a user equipment (UE) includes: receiving, from a base station, first information on a number of SRS symbols configured for one slot and second information on a number of repetitions of symbols configured for transmission of an SRS; determining whether the number of repetitions is greater than the number of the SRS symbols; when the number of repetitions is greater than the number of the SRS symbols, determining the number of repetitions of the symbols by a value identical to the number of the SRS symbols; and transmitting the SRS based on the determined number of repetitions. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, a base station, or a network.

Abstract: Disclosed herein are a method of operating a terminal and a base station in a wireless communication system and an apparatus supporting the same. According to an embodiment applicable to the present disclosure, a signal to interference noise ratio (SINR) report may be configured for the terminal, and an SINR report reported to the base station by the terminal based on the configuration may be calculated differently based on configuration of an interference measurement resource for the terminal.

Abstract: The present specification provides a method for transmitting/receiving signals through beams in a wireless communication system. The signal transmission/reception method performed by a terminal, in the present specification, may comprise the steps of: receiving a beam reference signal used in beam management from an eNB via a first Rx beam; if beam reporting is triggered, reporting to the eNB a measurement result based on the beam reference signal; receiving, from the eNB, control information related to the determination of a second Rx beam for receiving a particular signal; and receiving the particular signal via the second Rx beam on the basis of the received control information.

Abstract: A method for a base station to transmit a signal allowing a terminal to remove phase noise in an mmWave communication system, according to an embodiment of the present specification, may be provided. Here, the method for transmitting a signal for removing phase noise comprises: a step of generating a phase tracking reference signal (PTRS) and a first RS; a step of assigning the PTRS and the first RS to a resource block; and a step of transmitting the assigned PTRS and first RS, wherein the step of assigning the PTRS and the first RS includes a step of changing a frequency location of the PTRS if the PTRS and the first RS collide in the resource block, wherein the changed PTRS frequency location may be changed to a frequency location, across frequencies on which a predetermined demodulation reference signal (DMRS) port, associated with the PTRS, in a DMRS port group is located, which is closest to the existing PTRS frequency location and avoids collision with the first RS.

Abstract: The present specification provides a method for transmitting a sounding reference signal (SRS) in a wireless communication system. More particularly, a method for transmitting, by a terminal, a sounding reference signal (SRS) in a wireless communication system comprises: receiving, from a base station, information relating to a plurality of SRS resource sets, the SRS resource sets each comprising one or more SRS resources; and transmitting, to the base station, an SRS on the plurality of SRS resources based on the information, wherein, if the plurality of SRS resources are included in difference SRS resource sets, the SRS is transmitted simultaneously on the plurality of SRS resources.

Abstract: The present invention discloses a method of receiving a phase tracking reference signal by a user equipment in a wireless communication system and device for supporting the same.

Abstract: A method for transmitting a multiplexed uplink control channel and localized sounding reference symbol (localized SRS) by a terminal comprises a step of dividing the uplink control channel into a plurality of uplink control channel sub-blocks in a frequency domain and then transmitting the divided uplink control channel, when a frequency bandwidth of the localized SRS is smaller than or equal to a coherent bandwidth, wherein the divided uplink control channel sub-blocks may be frequency-division-multiplexed together with at least one localized SRS and then transmitted in one symbol.

Abstract: A method for channel state information-reference signal (CSI-RS)-based channel state reporting in a wireless communication system according to one embodiment of the present disclosure may comprise the steps of: receiving a CSI-RS-related configuration from a base station; calculating CSI by measuring a CSI-RS according to the CSI-RS-related configuration; and transmitting the calculated CSI to the base station, wherein the CSI-RS-related configuration comprises configurations for different types of CSI-RSs, and when at least two different types of CSI-RSs are configured to be transmitted in the same resource, a terminal measures only a CSI-RS having a predetermined higher priority.

Abstract: According to the present invention, transmission power of a preamble for a random access process is determined on the basis of a preamble transmission counter and a downlink path loss estimate value in a wireless communication system. The preamble transmission counter is calculated by using the number of preamble transmissions performed by a user equipment for the random access process, regardless of a random access channel resource. The downlink path loss estimate value is calculated for a synchronization signal linked to the random access channel resource used in transmitting a corresponding preamble. Other downlink path loss estimate values can be calculated for other synchronization signals.

Abstract: A method for transmitting, by a terminal, an uplink control channel and a localized SRS comprises the steps of: receiving, from a base station, first control information for triggering transmission of the uplink control channel and second control information for triggering transmission of the localized SRS; and if a transmission resource of the triggered uplink control channel overlaps with a transmission resource of the triggered localized SRS and the length of a frequency band of the localized SRS is shorter than or equal to the length of a coherent bandwidth, dividing the uplink control channel into a plurality of uplink control channel sub-blocks on a frequency domain and transmitting the divided uplink control channel sub-blocks, wherein the divided uplink control channel sub-blocks may be frequency division multiplexed with the triggered localized SRS and transmitted on one symbol.

Abstract: A method by which a terminal transmits an SRS comprises the steps of: receiving, from a base station, control information indicating a transmission request of SRS in a plurality of slots or subframes; and transmitting SRSs in the plurality of slots or subframes on the basis of the control information, wherein the control information can be received when the total number of uplink transmission beams or the number of ports for SRS transmission exceeds the maximum number of SRS beams, which can be transmitted in one slot or one subframe, or the number of ports for SRS transmission.

Abstract: The present specification provides a method for transmitting a PUCCH in a wireless communication system. The method for a terminal transmitting a PUCCH, according to the present specification, comprises a step for transmitting a PUCCH to a base station by using a plurality of uplink beams, wherein the PUCCH is transmitted via uplink beams that are different per specific resource unit, wherein the specific resource unit may represent a resource unit for transmitting the PUCCH by the same beams.