Abstract: A method for transmitting and receiving a signal between a terminal and a base station in a wireless communication system supporting an unlicensed band, and devices supporting same. More particularly, a method for transmitting a PUSCH based on combination of the information about the interlaces and the one or more RB sets included in the DCI. and devices supporting same.

Abstract: The present specification provides a method for transmitting uplink data by using a preset uplink resource (PUR) in a wireless communication system. More specifically, the method, which is performed by a terminal, includes: a step for receiving setting information from a base station in an RRC connected state, the setting information being for transmitting uplink data by using the PUR in an RRC idle state; a step for transitioning from the RRC connected state to the RRC idle state; and a step for using the PUR to transmit the uplink data to the base station in the RRC idle state on the basis of the setting information.

Abstract: A method for a terminal to transmit or receive a signal in a wireless communication system according to an embodiment of the present invention can include: monitoring physical downlink control channel (PDCCH) candidates; obtaining downlink control information (DCI) through a PDCCH detected in a first slot as a result of monitoring the PDCCH candidates; and receiving a physical downlink shared channel (PDSCH) or transmitting a physical uplink shared channel (PUSCH) in a second slot on the basis of the DCI.

Abstract: The present invention relates to a wireless communication system and, more specifically, to a method and a device therefor, the method comprising the steps of: receiving, as a part of an RRC connection procedure, CORESET configuration information relating to a BWP, the CORESET configuration information including information relating to a frequency resource configuring a CORESET; monitoring PDCCH candidates in one or more CORESETs in the BWP; and detecting a PDCCH on the basis of the monitoring, wherein the same CORESET is configured for each of subbands in the BWP according to the frequency resource, on the basis of (i) the BWP including a plurality of subbands, and (ii) the frequency resource confined within one subband.

Abstract: A method for performing uplink transmission by a terminal in a wireless communication system according to an embodiment of the present disclosure may comprise: receiving a timing offset related to uplink transmission via system information; receiving a downlink channel in a first time unit; and transmitting an uplink channel in a second time unit. The number of time units between the first time unit and the second time unit may be based on a first time offset or a second time offset. The first time offset may be based on base offset information and additional offset information, and the second time offset may be based on the base offset information. The base offset information may be obtained via downlink control information (DCI). A size of a field indicating the base offset in the DCI may be the same for the first time offset and the second time offset.

Abstract: A method for transmitting an MTC physical downlink control channel (MPDCCH) by a base station in a wireless communication system supporting machine type communication (MTC). A base station transmits, to a terminal. configuration information related to the transmission of an MPDCCH and maps the MPDCCH onto multiple resource elements (REs) of at least one first symbol constituting a first slot of a special subframe. The special subframe is a subframe in which, among symbols constituting the subframe, the number of symbols for data transmission is smaller than or equal to a predetermined number. The base station transmits the MPDCCH to the terminal over the multiple resource elements, wherein the mapping step is performed by copying at least one second symbol of a second slot adjacent to the first slot onto the at least one first symbol.

Abstract: The present invention relates to a wireless communication system, and specifically to a method and a device therefor, the method comprising: a step for receiving group common DCI on a first cell, wherein the group common DCI includes availability information about one or more RB sets configured for the first cell; a step for, on the basis of all of the RB set(s) being indicated as unavailable, performing first PDCCH monitoring, but skipping channel measurement on the RB set(s) during a certain duration; and a step for, on the basis of at least one of the RB set(s) being indicated as available, performing second PDCCH monitoring and the channel measurement on the at least one available RB set.

Abstract: The present invention provides a method for transmitting and receiving a downlink signal between a terminal and a base station in a wireless communication system supporting an unlicensed band, and a device supporting the method. As a specific example, the present invention includes a method for: transmitting and receiving a physical downlink control channel (PDCCH) signal in an unlicensed band so that a base station and a terminal transmit and receive system information associated with a particular synchronization signal/physical broadcast channel (SS/PBCH) block; and, based on the PDCCH signal, transmitting and receiving a PDSCH signal including the system information.

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for receiving information on a number N of a code block group defined for one transport block from a base station through an upper layer signal, receiving a first transport block including a plurality of code blocks from the base station through a physical layer channel, and transmitting HARQ-ACK payload including HARQ-ACK information on the first transport block to the base station. Preferably, a code block-based CRC is attached to each of the code blocks, a transport block-based CRC is attached to the first transport block, and the HARQ-ACK payload includes a plurality of HARQ-ACK bits corresponding to M code block groups for the first transport block.

Abstract: A method and device for transmitting and receiving a signal in a wireless communication system according to an embodiment of the present disclosure includes: transmitting a physical random access channel (PRACH); and receiving a random access response (RAR) on the basis of the PRACH, wherein the MACH is composed of N_MAX sequences mapped on the frequency domain, the N_MAX sequences are formed of M groups each including N sequences, the N_MAX sequences have the same length, the N_MAX sequences are generated on the basis of the same base sequence; the N sequences respectively have different cyclic shift (CS) values applied thereto; and the pattern of the different CS values may be the same for the M groups.

Abstract: In the transmission of message A corresponding to a 2-step random access process or message 1 corresponding to a 4-step random access process, a method and a device for transmitting/receiving a signal in a wireless communication system, according to one embodiment of the present invention, use an option in which an RO for a PRACH transmission for each message is set differently, or an option in which an RO for a PRACH transmission for each message is shared and PI is set differently.

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for receiving information on a number N of a code block group defined for one transport block from a base station through an upper layer signal, receiving a first transport block including a plurality of code blocks from the base station through a physical layer channel, and transmitting HARQ-ACK payload including HARQ-ACK information on the first transport block to the base station. Preferably, a code block-based CRC is attached to each of the code blocks, a transport block-based CRC is attached to the first transport block, and the HARQ-ACK payload includes a plurality of HARQ-ACK bits corresponding to M code block groups for the first transport block.

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for receiving information on a number N of a code block group defined for one transport block from a base station through an upper layer signal, receiving a first transport block including a plurality of code blocks from the base station through a physical layer channel, and transmitting HARQ-ACK payload including HARQ-ACK information on the first transport block to the base station. Preferably, a code block-based CRC is attached to each of the code blocks, a transport block-based CRC is attached to the first transport block, and the HARQ-ACK payload includes a plurality of HARQ-ACK bits corresponding to M code block groups for the first transport block.

Abstract: The present invention relates to a wireless communication system and, particularly, to a method and a device therefor, the method comprising the steps of: monitoring a PDCCH candidate in an SS in units of sub-bands in a BWP including a plurality of sub-bands; and on the basis of the monitoring, detecting a PDCCH, wherein, in the BWP, the same CORESET is repeated per sub-band in a frequency domain, and a plurality of CORESETs included in the plurality of sub-bands are associated with the same SS.

Abstract: The present invention relates to a wireless communication system, specifically to a method and an apparatus therefore, the method comprising the steps of: receiving resource allocation (RA) information for transmitting a PUSCH in a frequency band, the frequency band comprising a plurality of sub-bands (SB), each SB comprising a plurality of consecutive RBs, a guard band (GB) being provided between the plurality of SBs, and the RA information indicating one or more non-consecutive SB indexes; and transmitting the PUSCH in an RB interlace in the frequency band on the basis of the RA information.

Abstract: A method for a relay terminal to transmit and receive signals in a wireless communication system according to an embodiment of the present disclosure comprises: a step for transmitting, in a first time region, a UL signal to an upper node through a backhaul link and a DL signal to at least one lower node through an access link; and a step for receiving, in a second time region, a DL signal from the upper node through the backhaul link and a UL signal from the at least one lower node through the access link, wherein different frequency resources are allocated to the UL signal and the DL signal in the same carrier in each of the first time domain and the second time domain.

Abstract: The present disclosure relates to a wireless communication system, and specifically provides a method and a device therefor, the method comprising: receiving first configuration information for transmitting a sounding reference signal (SRS); performing a channel access procedure (CAP) on the basis of the first configuration information; acquiring a time period for the SRS transmission from an Nth symbol on the basis of a successful CAP in the Nth symbol; performing the SRS transmission within the time period; transmitting, within the time period, second configuration information for triggering positioning reference signal (PRS) transmission in at least one base station included in a cell group; and receiving a PRS from the at least one base station within the time period.

Abstract: The present invention provides a method for transmitting and receiving a downlink signal between a terminal and a base station in a wireless communication system supporting an unlicensed band, and a device supporting the method. As a specific example, the present invention includes a method for: transmitting and receiving a physical downlink control channel (PDCCH) signal in an unlicensed band so that a base station and a terminal transmit and receive system information associated with a particular synchronization signal/physical broadcast channel (SS/PBCH) block; and, based on the PDCCH signal, transmitting and receiving a PDSCH signal including the system information.

Abstract: Provided are a method of performing a channel access procedure by an apparatus in an unlicensed band, and an apparatus using same method. The apparatus determines a contention window size (CWS) and performs a channel access procedure with respect to a first channel on the basis of the determined contention window size. The contention window size may be adjusted on the basis of feedback information relating to a second channel. When a transmission history of the second channel, which is to be reflected in determining the contention window size, does not exist, the contention window size may be determined to be a minimum CWS value in a specific channel access priority class.

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method including receiving indication information related to a PUCCH resource set of a specific PUCCH format through system information, the PUCCH resource set comprising a first RB offset, receiving a PDCCH including a resource indicator RI through CCE, and transmitting the control information on the PUCCH, wherein an RB index of the PUCCH is determined based on the first RB offset and a second RB offset related to a first bit value of the RI, and wherein a CS index of the PUCCH is determined based on a combination of [a second bit value of the RI, a 1-bit value based on a starting CCE index of the PDCCH (hereinafter, a CCE-based 1-bit value)] in a CS index set, and an apparatus therefor.