Abstract: Provided is a user equipment which: receives resource allocation; determines N number of transmission resources on the basis of the resource allocation, wherein N is an integer greater than 1; determines a transport block size (TBS) associated with the N number of transmission resources and a redundancy version (RV) value for each of the N number of transmission resources; and performs uplink transmission in at least one transmission resource among the N number of transmission resources on the basis of the TBS and an RV value for the at least one transmission resource.

Abstract: The present disclosure relates to a method and a device therefor, the method comprising the steps of: obtaining, on the basis of not receiving information on a channel occupancy duration from a base station, channel state information based on a plurality of CSI-reference signals (CSI-RSs) which are all overlapped with, on a time domain, at least one from among a physical downlink shared channel (PDSCH) and an aperiodic CSI-RS; and transmitting the channel state information to the base station, wherein durations corresponding to the PDSCH and the aperiodic CSI-RS are consecutive time durations on the time domain.

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 disclosure discloses a method by a terminal transmits an uplink (UL) signal in a wireless communication system. In particular, the method comprises: determining an energy detection (ED) threshold value on the basis of maximum effective isotropic radiated power (EIRP) from among at least one of pieces of first EIRP for at least one first UL signal; acquiring channel occupancy on the basis of the ED threshold value; and, within the channel occupancy, (i) transmitting the at least one first UL signal on the basis of each of at least one of pieces of first EIRP for each of the at least one first UL signal, and (ii) transmitting a second UL signal on the basis of second EIRP, wherein the second EIRP is less than or equal to the maximum EIRP.

Abstract: Disclosed are a method and apparatus for performing random access in a wireless communication system. A method by which a terminal performs a random access procedure in a wireless communication system, according to an embodiment of the present disclosure, comprises the steps of: transmitting a random access preamble to a network from a slot based on a subcarrier spacing (SCS) exceeding a predetermined threshold value; monitoring downlink control information (DCI) based on a specific radio network temporary identifier (RNTI) corresponding to the random access preamble; and receiving a downlink data channel from the network, on the basis of scheduling information included in the DCI, wherein the specific RNTI is determined on the basis of a value derived via a modulo operation using 2M?K as a divisor, M is associated with an offset value for distinguishing the type of the random access procedure, and K may be an integer exceeding 12.

Abstract: According to an embodiment of the present disclosure, a user equipment (UE) may obtain fixed frame period (FFP)-related information, and perform clear channel assessment (CCA) for at least one FFP starting with a UE-initiated channel occupancy time (COT) for transmission of an uplink signal. The FFP-related information may include information about an FFP starting offset and information about an FFP duration or period, and the UE may identify a starting time of the FFP, based on the FFP starting offset having an orthogonal frequency division multiplexing (OFDM) symbol-level granularity.

Abstract: The present disclosure relates to a wireless communication system. Specifically, the present disclosure relates to a method and an apparatus therefor, the method comprising the steps of: transmitting an RA preamble on one RO among a plurality of ROs, wherein a resource to which the RA preamble is transmitted includes the following elements, (a) a sub-interval index within a 10 ms interval, (b) a slot index within a sub-interval, (c) a symbol index within a slot, and (d) a frequency resource index; and after transmitting the RA preamble, monitoring DCI having an RA-identifier within a time window, the RA-identifier being masked in a CRC in the DCI, and receiving an RA response corresponding to the DCI, wherein one of (a) to (d) is included in a payload in the DCI, and the rest of (a) to (d) is included in the RA-identifier.

Abstract: Disclosed are a method and device for transmitting and receiving a wireless signal in a wireless communication system. A method for transmitting a physical random access channel (PRACH) according to an embodiment disclosed herein comprises the steps of: receiving configuration information related to uplink transmission from a base station; and transmitting the PRSCH to the base station on the basis of the configuration information. The configuration information includes information about the subcarrier spacing (SCS) of the PRACH and information about the SCS of a physical uplink shared channel (PUSCH), and the number of resource blocks (RBs) occupied by the PUSCH can be determined, on the basis of i) the SCS of the PRACH, ii) the SCS of the PUSCH, and iii) the length of the PRACH sequence, as the minimum number of RBs to which a PRACH sequence can be mapped, wherein the number of RBs occupied by the PUSCH is expressed as the number of RBs for the PUSCH.

Abstract: Disclosed is a method of transmitting a physical uplink control channel (PUCCH) by a user equipment (UE) in a wireless communication system. The method includes receiving information related to an index of a PUCCH resource set for the PUCCH and to the number of resource blocks (RBs) for the PUCCH, and transmitting the PUCCH through a PUCCH resource based on a first RB offset. A second RB offset of the PUCCH resource set is obtained based on the index, and the first RB offset is obtained by multiplying the number of RBs by the second RB offset.

Abstract: Provided are a method for transmitting a physical uplink shared channel (PUSCH) of a terminal in an unlicensed band and a device using the same method. The method comprises: receiving first information indicating a symbol index and second information indicating a length; and transmitting, in at least one slot capable of transmitting the PUSCH, the PUSCH by using a time resource determined on the basis of the first information and the second information.

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: Disclosed is a method of transmitting an uplink signal by a user equipment in a wireless communication system. Specifically, the method includes performing listen-before-talk (LBT) based on at least one LBT beam, and transmitting the uplink signal through a plurality of transmission beams based on success of the LBT. The at least one LBT beam covers the plurality of transmission beams, and the plurality of transmission beams is multiplexed.

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: The present invention relates to a method for transmitting a Physical Uplink Shared Channel (PUSCH), performed by a user equipment (UE) in an unlicensed band, the method comprising: receiving downlink control information (DCI) including information on a listen before talk (LBT) type and information on a PUSCH start position from a base station; and transmitting the PUSCH on the basis of the information on the LBT type and the information on the PUSCH start position, wherein the LBT type is one of LBT type 1, LBT type 2, and LBT type 3, a random backoff-based LBT is performed in the LBT type 1, an LBT without a random backoff is performed in the LBT type 2, and an uplink is transmitted without LBT in LBT type 3.

Abstract: The present disclosure discloses a method by a terminal transmits an uplink (UL) signal in a wireless communication system. In particular, the method comprises: determining an energy detection (ED) threshold value on the basis of maximum effective isotropic radiated power (EIRP) from among at least one of pieces of first EIRP for at least one first UL signal; acquiring channel occupancy on the basis of the ED threshold value; and, within the channel occupancy, (i) transmitting the at least one first UL signal on the basis of each of at least one of pieces of first EIRP for each of the at least one first UL signal, and (ii) transmitting a second UL signal on the basis of second EIRP, wherein the second EIRP is less than or equal to the maximum EIRP.

Abstract: A method and apparatus for transmitting and receiving a signal in a wireless communication system, according to an embodiment of the present invention, comprise the steps of: receiving an SIB including information on a PUCCH resource; transmitting a PUCCH on the basis of the information on the PUCCH resource in a state in which user equipment does not have dedicated PUCCH resource configuration; and after an RRC connection is established, monitoring the PDCCH on the basis of a configured DRX operation. The information on the PUCCH resource may include information on the number of PRBs of the PUCCH resource.

Abstract: A washing machine and a control method therefor are provided. The washing machine includes a water tank, a washing tub, a pulsator, a drive motor, a coupling flange connected to the drive motor, a drive shaft that rotates the pulsator, a dewatering shaft that rotates the washing tub, a coupler configured to move up and down along the dewatering shaft and to be placed in a first position where the coupler engages the coupling flange and in a second position where the coupler is placed above the coupling flange, a solenoid module that moves the coupler, a coupler guide configured to be rotated by the coupler and fix the coupler in the second position, and a controller configured to control the solenoid module to move the coupler.

Abstract: A washing machine includes a water tank, a washing tub, a pulsator, a drive motor, a drive shaft, a dewatering shaft that rotates about the same axis of the drive shaft and spins the washing tub, a coupler that is mounted to move up and down along the dewatering shaft and transmits the torque of the drive motor to the dewatering shaft, a solenoid module that moves the coupler upward in a lengthwise direction of the dewatering shaft so as to cut off torque from the drive motor to the dewatering shaft or transmit the torque to the dewatering shaft, when a magnetic field is generated by applying an electric current to a coil, and a coupler guide that rotates itself or fixes the position of the coupler, by coming into contact with the coupler when the coupler moves upward in the lengthwise direction of the dewatering shaft.

Abstract: A washing machine of the present disclosure includes a drive shaft rotating a pulsator, a dehydration shaft connected to a washing tub, a magnetic core surround a periphery of a solenoid, an armature lifted by an attraction force between the armature and the magnetic corea lever having a support point of which a position is fixed with respect to the dehydration shaft and an operation end located at a point spaced by a predetermined distance from the support point, a clutching coupler shaft-coupling the drive shaft and the dehydration shaft to each other at a lowered position, and shaft-decoupling the drive shaft and the dehydration shaft from each other at a lifted position, an elastic member pressing the clutching coupler downward, a guide groove guiding a relative movement of the operating end with respect to the clutching coupler, and a lowering restriction section disposed in the guide groove.

Abstract: A washing machine includes a water tank, a washing tub, a pulsator, a drive motor, a drive shaft, a dewatering shaft that rotates about the same axis of the drive shaft and spins the washing tub, a coupler that is mounted to move up and down along the dewatering shaft and transmits the torque of the drive motor to the dewatering shaft, a solenoid module that moves the coupler upward in a lengthwise direction of the dewatering shaft so as to cut off torque from the drive motor to the dewatering shaft or transmit the torque to the dewatering shaft, when a magnetic field is generated by applying an electric current to a coil, and a coupler guide that rotates itself or fixes the position of the coupler, by coming into contact with the coupler when the coupler moves upward in the lengthwise direction of the dewatering shaft.