Abstract: The present invention may provide a method for receiving a physical downlink control channel (PDCCH) by a terminal in a wireless communication system, the method comprising: receiving at least one piece of parameter information for acquisition of a control channel element (CCE) index corresponding to a candidate PDCCH, and period information on at least one period during which a configuration related to each of the at least one piece of parameter information is maintained; acquiring the CCE index, using an identical parameter based on each of the at least one piece of parameter information, for each of the at least one period; and receiving the PDCCH by monitoring the candidate PDCCH on the basis of the CCE index.

Abstract: Disclosed are a method for transmitting an uplink control channel in a wireless communication system and an apparatus for the same. Particularly, the method comprises the steps of: receiving allocation of a resource region including one or more symbols for transmission of an uplink control channel; and mapping uplink control information and a reference signal to each specific resource group unit in the allocated resource region, wherein the specific resource group unit may comprise a first resource element having the reference signal mapped thereto and second resource elements having the at least one piece of uplink control information mapped thereto, the second resource elements may be arranged adjacent to the first resource element, and the second resource elements may be multiplexed according to orthogonal cover codes in a clockwise or counter-clockwise direction.

Abstract: A method for transmitting an uplink signal for a terminal configured to support one or more transmission time interval (TTI) lengths in a wireless communication system according to an embodiment of the present invention, which is supported by a terminal, may comprise the steps of: receiving uplink grant for a plurality of cells; and if transmission timing of an uplink data channel and transmission timing of an uplink control channel according to the uplink grant overlap, transmitting uplink control information, depending on a relationship between a TTI length of the uplink data channel and a TTI length of the uplink control channel, through the uplink control channel or an uplink data channel of one cell among the plurality of cells.

Abstract: A method of transmitting an uplink (UL) signal by a user equipment (UE) in a wireless communication system, where the method includes: receiving, through a physical downlink control (PDCCH) signal, downlink control information (DCI) regarding a semi-persistent scheduling (SPS) physical uplink shared channel (PUSCH); and periodically transmitting an SPS PUSCH signal based on the DCI. Periodically transmitting the SPS PUSCH signal based on the DCI includes: in a state in which (i) the SPS PUSCH signal is subslot-based, (ii) a demodulation reference signal (DMRS) pattern field included in the DCI is set to a first value, and (iii) simultaneous transmission of a physical uplink control channel (PUCCH) and the PUSCH is configured for the UE: transmitting uplink control information (UCI) through the SPS PUSCH signal, without simultaneously transmitting a PUCCH signal.

Abstract: A method of receiving, by a user equipment (UE) that is configured to operate in transmission mode 10, downlink data in a wireless communication system. The method includes: receiving, in a transmission time interval (TTI), downlink control information (DCI) that includes resource element (RE) mapping information. The method also includes receiving, in a plurality of TTIs subsequent to the TTI in which the DCI was received, repeated transmissions of the downlink data to which the RE mapping information has been applied.

Abstract: Disclosed is a method for transmitting a random access signal in a wireless communication system, the method performed by an user equipment (UE) according to the present specification comprising: transmitting a random access signal to a base station by means of a physical random access channel (PRACH) resource area of a narrow band (NB) having a system bandwidth of 180 kHz, wherein the PRACH resource area comprises a first PRACH resource area and a second PRACH resource area, each of which comprising at least one subcarrier having a particular subcarrier spacing, and any one from among the first PRACH resource area and second PRACH resource area is utilized for data transmission.

Abstract: An embodiment of the present disclosure provides a method of transmitting control information by a first apparatus. The method includes transmitting a first control information to a second apparatus through a physical sidelink control channel (PSCCH), and transmitting a second control information to the second apparatus through a physical sidelink shared channel (PSSCH) related to the PSCCH, wherein the first control information includes information for a control information format of the second control information.

Abstract: Disclosed are a method for transmitting and receiving downlink control information (DCI) in a wireless communication system and a device for same. Particularly, in a method for receiving downlink control information by a terminal in a wireless communication system, the method can comprise the steps of: receiving first DCI from a base station via a first downlink control channel on the basis of a first transmission time interval (TTI); and receiving second DCI from the base station by means of control channel information via a second downlink control channel on the basis of a second TTI, wherein the first DCI comprises the control channel information indicating one or more merge levels relating to the reception of the second DCI among a plurality of predetermined merge levels.

Abstract: Provided herein are a method for performing wireless communication by a first apparatus and an apparatus for supporting the same. The method may include the steps of receiving a configuration related to a Uu bandwidth part (BWP) from a base station, and receiving a configuration related to a sidelink (SL) BWP from the base station. Herein, based on a numerology of the Uu BWP and a numerology of the SL BWP being different, the first apparatus may not perform SL communication on the SL BWP.

Abstract: A method for a terminal transmitting a signal in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving, from a base station, a semi-persistent scheduling (SPS) configuration for SPS-based uplink signal repetition; and, on the basis of the SPS configuration, repeatedly transmitting a first SPS uplink signal to the base station, wherein, in a state where the repetition of the first SPS uplink signal is in progress, and a time resource of the first SPS uplink signal and a time resource of a second SPS uplink signal overlap, a terminal may continue with the repetition of the first SPS uplink signal in progress, without the transmission of the second SPS uplink signal.

Abstract: In the present invention a method for a terminal to report channel state information (CSI) in a wireless communication system is disclosed. More specifically, the method comprises: configuring a plurality of mini-slot sets that are included in slot N?k as a reference resource; and simultaneously reporting to a base station all CSI for the respective plurality of mini-slot sets that are generated based on the reference resource within slot N, wherein the plurality of mini-slot sets comprise a plurality of mini-slots, and wherein k is an integer that is configured by the base station.

Abstract: A method of receiving, by a user equipment (UE), a reference signal in a wireless communication system. The method includes: receiving downlink control information (DCI) for scheduling downlink data in a first transmission time interval (TTI); acquiring, from the DCI, information related to whether the reference signal is included in the first TTI in which the downlink data is scheduled; and receiving, in the first TTI, the reference signal for the first TTI based on the information related to whether the reference signal is included in the first TTI. The method further includes, based on the downlink data scheduled to be repeatedly transmitted in the first TTI and at least one second TTI: receiving, in each of the at least one second TTI, a reference signal for the each of the at least one second TTI.

Abstract: A method by which a terminal receives a downlink control channel in a wireless communication system is disclosed. Particularly, the method monitors candidate physical downlink control channels (PDCCHs) composed of control channel elements (CCEs), the number of which corresponds to an aggregation level, so as to receive a PDCCH, wherein CCEs for candidate PDCCHs of a higher aggregation level include all of the CCEs for candidate PDCCHs of a lower aggregation level, and the CCEs for candidate PDCCHs of the lower aggregation level included in each of the candidate PDCCHs of the higher aggregation level can be determined using a matrix on the basis of the magnitude of the higher aggregation level and the number of the candidate PDCCHs of the higher aggregation level.

Abstract: Disclosed are a method of transmitting and receiving a physical downlink shared channel in a wireless communication system and an apparatus supporting the method. More specifically, the method performed by a user equipment may comprise transmitting, to a base station (BS), capability information including first information indicating support for a PDSCH repetition-related operation; receiving, from the BS, an higher layer signal including second information for configuring whether to enable the PDSCH repetition-related operation; receiving Downlink Control Information (DCI) related to reception of a PDSCH repetition from the BS when the second information is configured as enable; and receiving the PDSCH repeatedly from the BS based on the DCI.

Abstract: A method of receiving, by a user equipment (UE) that is configured to operate in transmission mode 10, downlink data in a wireless communication system. The method includes: receiving, in a transmission time interval (TTI), downlink control information (DCI) that includes resource element (RE) mapping information. The method also includes receiving, in a plurality of TTIs subsequent to the TTI in which the DCI was received, repeated transmissions of the downlink data to which the RE mapping information has been applied.

Abstract: The present invention provides a method of transmitting a channel quality indicator (CQI) in a wireless communication system. The method performed by a user equipment supporting a relatively shorter transmission time interval (S-TTI) than a legacy transmission time interval (L-TTI) includes determining predefined control channel-related overhead depending on whether S-TTI-based communication is performed and transmitting the CQI based on the determined predefined control channel-related overhead. If the S-TTI-based communication is performed, the predefined control channel-related overhead is identically determined between an S-TTI including a legacy physical downlink control channel (PDCCH) region and a S-TTI not including a legacy PDCCH region.

Abstract: The present specification relates to a method for transmitting uplink signals in a wireless communication system, the method being performed by a UE and comprising the steps of: receiving, from a base station, information on a cyclic shift (CS) index configuration, which indicates the configuration of an index group for a CS related to uplink signal transmission; determining a CS index for generating a particular uplink signal in the CS index group; generating the particular uplink signal by using the determined CS index and a base sequence having a particular length; and transmitting the generated particular uplink signal to the base station via an uplink control channel.

Abstract: Disclosed are a method for transmitting and receiving data in a wireless communication system and a device therefor. Specifically, a method for transmitting and receiving, by a user equipment, data in a wireless communication system supporting a short transmission time interval (TTI) may include: receiving, through at least one of a physical downlink control channel (PDCCH) depending on a radio frame structure based on a first TTI or a short PDCCH (sPDCCH) based on a second TTI, downlink control information related to the second TTI, wherein the number of symbols corresponding to the second TTI is smaller than the number of symbols corresponding to the first TTI; and receiving downlink data related to the second TTI through a short physical downlink shared channel (sPDSCH) depending on the radio frame structure based on the second TTI by using the downlink control information.

Abstract: A method of receiving Downlink (DL) data by a User Equipment (UE) in a wireless communication system. The method includes: receiving information related to a number of repetitions of the DL data which is repeatedly transmitted in (i) at least one first Transmission Time Interval (TTI) included in a first subframe, and in (ii) at least one second TTI included in a second subframe that is after the first subframe; and receiving the DL data based on the number of repetitions of the DL data. If a Transmission Mode (TM) for the first subframe is different from a TM for the second subframe, then the UE does not receive the DL data in the at least one second TTI.

Abstract: A method for receiving a downlink signal in a wireless communication system according to an embodiment of the present invention is performed by a terminal, and may comprise the steps of: receiving, from a base station, a dynamic change configuration into a predetermined transmission scheme related to a short transmission time interval (sTTI)-based downlink operation; when the dynamic change configuration is received, detecting a downlink control information format including a field related to the dynamic change; and when a value of the field indicates the predetermined transmission scheme, receiving a signal on a downlink data channel according to the predetermined transmission scheme.