Abstract: Various embodiments of the present disclosure disclose a method for transmitting and receiving a signal in a wireless communication system and an apparatus supporting the same.

Abstract: A method by which a terminal transmits data in an unlicensed band, and an apparatus using the method are provided. The method comprises: transmitting data to a base station through a physical uplink shared channel (PUSCH) in the unlicensed band; and receiving, from the base station, acknowledgement/negative acknowledgement (ACK/NACK) information about the data in the unlicensed band, wherein the terminal receives, from the base station, timeline information notifying of a time relationship between the PUSCH transmission time point and the ACK/NACK information reception time point.

Abstract: Proposed is a method for receiving a downlink signal by a terminal in a wireless communication system. The method comprises: receiving a synchronization signal block (SSB) from an initiating device; and receiving a downlink signal from the initiating device, wherein the SSB is periodically transmitted in every Nth fixed frame period, the N is an integer equal to or greater than 1, and transmission of the SSB is started at the first time resource included in the every Nth fixed frame period.

Abstract: The present invention provides a method, performed by a user equipment (UE), for performing an action according to the type of listen before talk (LBT) in an unlicensed band, the method comprising the steps of: obtaining, from a base station, information about an LBT type and information about a physical uplink shared channel (PUSCH) starting position through an uplink (UL) grant; performing, on the basis of the obtained LBT type, an action according to the LBT type; and transmitting a PUSCH on the basis of the information about the PUSCH starting position after performing the action according to the LBT type, wherein the information about the PUSCH starting position indicates the position of any one of a plurality of PUSCH starting position candidates.

Abstract: A method for transmitting uplink control information of a terminal in a wireless communication system and a terminal using the method are provided. The method generates uplink control information, transmits the uplink control information to a base station using a specific PUCCH format among a plurality of physical uplink control channel (PUCCH) formats, wherein the specific PUCCH format which is used is determined on the basis of the number of symbols in the time domain used for transmission of uplink control information and the number of bits of the uplink control information.

Abstract: A method, performed by a user equipment (UE), for performing an initial access procedure in an unlicensed band includes: performing the initial access procedure with a base station; and performing transmission of a physical uplink shared channel (PUSCH) on the basis of the performing of the initial access procedure, wherein the UE obtains, from the base station, information about a listen before talk (LBT) type and information about a PUSCH starting position, and the UE performs the transmission of the PUSCH on the basis of the information about the LBT type and the information about the PUSCH starting position. The information about the PUSCH starting position is information indicating one position among a plurality of PUSCH starting position candidates. The information about the LBT type indicates one of a LBT type 1, a LBT type 2, and a LBT type 3.

Abstract: A method of a user equipment (UE) in a wireless communication system includes receiving resource allocation information related to a configured grant (CG)-based uplink transmission, receiving configuration information indicating multiplexing between CG uplink control information (CG UCI) and hybrid automatic repeat request acknowledgement (HARQ-ACK) information, performing joint encoding of the CG UCI and the HARQ-ACK information based on the configuration information, and transmitting a CG physical uplink shared channel (CG PUSCH) based on the resource allocation information. The joint-encoded information is multiplexed in the CG PUSCH. A beta offset value corresponding to one of a first index, a second index, or a third index related to a beta offset for the HARQ-ACK information is applied to the joint encoding.

Abstract: Disclosed is a method of transmitting a sounding reference signal (SRS) by a user equipment in a wireless communication system.

Abstract: A method for transmitting uplink control information of a terminal in a wireless communication system and a terminal using the method are provided. The method generates uplink control information, transmits the uplink control information to a base station using a specific PUCCH format among a plurality of physical uplink control channel (PUCCH) formats, wherein the specific PUCCH format which is used is determined on the basis of the number of symbols in the time domain used for transmission of uplink control information and the number of bits of the uplink control information.

Abstract: A method by which terminal transmits data in an unlicensed band, and an apparatus using the method are provided. The method comprises: transmitting codeblock groups (CBGs) to a base station by using a first resource within the unlicensed band; and re-transmitting at least one CBG, in which a negative acknowledgement (NACK) is received, of the CBGs to the base station by using a second resource within the unlicensed band, wherein the second resource is determined on the basis of the proportion of the CBGs to the at least one CBG in which the NACK is received.

Abstract: A method and device for transmitting and receiving signals in a wireless communication system according to one embodiment of the present invention perform a 2-step or 4-step random access process in a shared spectrum. For the transmission of a PUSCH corresponding to an RAR in the 4-step random access process or a fallback-RAR in the 2-step random access process, the channel access type for the PUSCH is determined on the basis of a specific field of an RAR grant in the RAR.

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 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 including slot format information and channel occupancy duration information; a step for determining slot formats for one or more slots on the basis of the slot format information and the channel occupancy duration information; and a step for performing communication on the basis of the determined slot formats for the one or more slots.

Abstract: The present invention relates to a wireless communication system, more specifically to a method and an apparatus therefor, the method comprising switching an active bandwidth part (BWP) on the basis of BWP switching indication information, and transmitting an uplink on the basis of the results of a channel access procedure (CAP) in the switched active BWP, wherein the active BWP comprises N number of frequency units in which the CAP is carried out, N being an integer two or greater, and the uplink is transmitted in a resource determined on the basis of whether the CAP is successful in all or a part of the N number of unit frequencies.

Abstract: A method and an apparatus for transmitting/receiving signals in a wireless communication system, according to one embodiment of the present invention, perform a 2- or 4-step random access process in a shared spectrum. In a method for interpreting an FDRA field for PUSCH transmissions corresponding to an RAR in a 4-step random access process or a fallback RAR in a 2-step random access process, the FDRA field is truncated to its X LSB, or the FDRA field is padded with Y MSB, on the basis of whether interlace allocation for a PUSCH for access to a shared spectrum channel is provided, and the FDRA field is interpreted as the FDRA field of downlink control information (DCI) format 0_0.

Abstract: Disclosed is a method for a terminal to transmit a Physical Uplink Shared Channel (PUSCH) in a wireless communication system. In particular, the disclosed method is characterized by comprising the steps of: receiving an uplink (UL) grant for scheduling a Dynamic Grant (DG)-PUSCH; transmitting a Configured Grant (CG)-PUSCH; and transmitting the DG-PUSCH on the basis of the UL grant, wherein the DG-PUSCH is transmitted without gaps after the transmission of the CG-PUSCH on the basis of first frequency resources for the DG-PUSCH being the same as second frequency resources for the CG-PUSCH, or the first frequency resources being a sub-set of the second frequency resources.

Abstract: A method for transmitting and receiving a signal in a wireless communication system and a device supporting same, according to one embodiment of the present invention, comprise: receiving information for a PUSCH starting symbol #K; and transmitting a PUSCH in a predetermined position on the basis of the result of carrying out a CAP. The predetermined position is determined on the basis of a parameter related to the length of a CPE, and the length of the CPE is less than or equal to the length of an OFDM symbol.

Abstract: Disclosed is a method by which a terminal transmits a physical uplink shared channel (PUSCH) in a wireless communication system. In particular, the disclosure comprises: receiving a first energy detection (ED) threshold value for channel occupancy time (COT) sharing from a higher layer; obtaining, on the basis of whether COT sharing can be used, one ED threshold value from among the first ED threshold value and a second ED threshold value determined by the terminal on the basis of maximum uplink (UL) power; and transmitting the PUSCH on the basis of the one ED threshold value, wherein the one ED threshold value is the first ED threshold value on the basis that the COT sharing can be used, and the one ED threshold value is the second ED threshold value on the basis that the COT sharing cannot be used.

Abstract: A method by which a terminal transmits uplink control information (UCI) in an unlicensed band and a device using the method are provided. The method generates data and first UCI including information necessary to decode the data, and transmits, to a base station, the data and the first UCI through a physical uplink shared channel (PUSCH) in an unlicensed band, wherein the first UCI further includes information necessary to decode the second UCI when second UCI is transmitted to the base station together with the data and the first UCI through the PUSCH.

Abstract: A method and device for transmitting and receiving a signal in a wireless communication system, according to one embodiment of the present invention, perform a 2-step or 4-step random access process in a shared spectrum. In order to transmit a PUSCH corresponding to an RAR of the 4-step random access process or a fallback-RAR of the 2-step random access process, a channel access type for the PUSCH is determined on the basis of a specific field of an RAR grant in the RAR.