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.

Abstract: According to one embodiment of the present specification, a method by which a base station transmits a signal for removing phase noise in an mmWave communication system can be provided, wherein the method for removing phase noise can comprise the steps of: generating a shared PTRS for phase noise of a downlink signal; transmitting, to a terminal, shared PTRS pattern information on the shared PTRS through downlink signaling; and transmitting, to the terminal, the shared PTRS on the basis of the shared PTRS pattern information transmitted to the terminal.

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: Systems and techniques for transmitting and receiving an uplink phase tracking reference signal between a user equipment and a base station in a wireless communication system and an apparatus. According to one implementation, the user equipment can transmit an uplink phase tracking reference signal to the base station using a power boosting level determined based on first information and second information received from the base station.

Abstract: Disclosed are a method of transmitting and receiving a downlink between a user equipment (UE) and a base station (BS) in a wireless communication system, and an apparatus for supporting the same. According to an embodiment applicable to the present disclosure, when the UE recognizes that plural transmission configuration indication (TCI) states related to one reference signal set are allocated to the UE through received downlink control information (DCI), the UE may receive/acquire a first physical downlink shared channel (PDSCH) scheduled by the DCI with high reliability.

Abstract: A method of transmitting a sounding reference symbol (SRS) at a user equipment (UE) includes receiving, from a base station, first information including information on at least one predetermined SRS sequence parameter configured in association with a frequency hopping pattern among SRS sequence parameters, generating an SRS sequence using a value of a parameter corresponding to a frequency hopping pattern configured in the UE with respect to the at least one predetermined SRS sequence parameter, and transmitting the SRS, to which the generated SRS sequence is applied, to the base station through SRS resources.

Abstract: Disclosed are a method for transmitting and receiving channel state information between a terminal and a base station in a wireless communication system and an apparatus supporting same. According to an embodiment applicable to the present invention, a terminal may receive, from a base station, configuration information related to a first channel state information reference signal (CSI-RS) resource for measurement, measure channel state information using a CSI-RS transmitted from a neighbor cell on the basis of the configuration information, and transmit the measured channel state information to the base station.

Abstract: A method for a base station to control inter-cell interference in a wireless communication system comprises: a step in which a base station receives, in a predefined physical resource region, a demodulation reference signal (DMRS) or a sounding reference symbol (SRS) from a terminal in a cell to which the base station belongs; a step of measuring interference in a resource on which the DMRS or the SRS has been transmitted, on the basis of an interference measurement method corresponding to the predefined physical resource region; and a step of determining the terminal as a victim terminal associated with the predefined physical resource region, if the intensity of the interference measured is greater than a predetermined threshold, wherein the predefined physical resource region may be a first physical resource region for an uplink data transmission in the cell to which the base station belongs, or a second physical resource region for uplink beam sweeping in the cell to which the base station belongs, the fi

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: According to one embodiment of the present specification, a method for determining a beam to be used by a terminal for communication in an mmWave communication system can be provided. Here, the method for determining a beam to be used by a terminal for communication may comprise the steps of: receiving a CSI-RS from a base station; reporting a preferred primary beam to the base station on the basis of the received CSI-RS; receiving secondary beam information from the base station on the basis of the preferred primary beam; reporting a preferred secondary beam from among the secondary beam information to the base station; and receiving a setting of a CSI-RS resource from the base station on the basis of the preferred secondary beam. Here, the secondary beam information may include the preferred primary beam and at least one secondary beam to which QCL is applied.

Abstract: A method for receiving SRS configuration information by a terminal may comprise the steps of: receiving, from a base station, the SRS configuration information including information on the number of simultaneously transmissible SRS resources configured for the terminal; and performing SRS transmission on the basis of the SRS configuration information.

Abstract: The method for feedback of channel quality information in a wireless communication system, according to one embodiment of the present invention, is performed by a terminal and comprises the steps of: receiving feedback configuration information, including information on disjoint segmentation indicating the indexes of channel or beam quality-related parameters for broadcast or multicast services, from a base station; and according to the information on disjoint segmentation in the feedback configuration information, encoding the index of a channel or beam quality-related parameter to be reported and transmitting same to the base station, wherein the disjoint segmentation includes multiple subsets which do not overlap and which have different lengths, and the index of the channel or beam quality-related parameter, which is transmitted to the base station, may indicate a predetermined value in one subset among the multiple subsets.

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: According to the present invention, a method of transmitting and receiving an uplink phase tracking reference signal between a user equipment and a base station in a wireless communication and an apparatus supporting the same are disclosed. According to an example applicable to the present invention, a user equipment can transmit an uplink PT-RS to a base station using the actual number of PT-RS ports which is determined based on the maximum uplink phase tracking reference signal (PT-RS) ports received from the base station and a precoding matrix set to the UE.

Abstract: Disclosed are a signal transmission method and a base station, the signal transmission method comprising: generating a PTRS used for estimating phase noise in a downlink signal; transmitting, to a terminal, at least one form among information indicating whether the PTRS is transmitted by means of downlink signaling, and information indicating an antenna port of the PTRS; and transmitting the PTRS to the terminal in accordance with the information transmitted thereto.

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 relates to a method and device for operating a terminal in a wireless communication system. According to the present invention, downlink control information is transmitted to a terminal and can include symbol information related to the last symbol of a downlink shared channel. A method and device can be provided wherein a terminal transmits a first demodulation reference signal(DMSR) and at least one second DMRS for demodulating downlink data, and transmits data through the downlink shared channel, and a symbol position to which the at least one second DMRS is mapped is determined according to the symbol information.

Abstract: A method by which a terminal transmits an SRS can comprise the steps of: receiving, from a base station, first information indicating symbols to which the SRS is transmitted among a plurality of symbols, when the terminal is configured to perform antenna switching for an SRS transmission on the plurality of symbols; and transmitting the SRS on the indicated symbols, wherein the SRS is transmitted through antenna ports respectively corresponding to the indicated symbols, and the antenna ports respectively corresponding to the indicated symbols can be different from each other.

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 operating a user equipment in a wireless communication is provided as an embodiment of the present invention. The method may include: receiving modulation and coding scheme (MCS) information for each of two or more codewords from a base station (BS); determining a demodulation reference signal (DMRS) antenna port to which a phase tracking reference signal (PTRS) antenna port is mapped based on the MCS information; and receiving a PTRS based on the DMRS antenna port, wherein a DMRS antenna port with the lowest index among one or more DMRS antenna ports included in a codeword with the highest MCS among the two or more codewords may be determined as the DMRS antenna port.