Abstract: A linac-based X-ray system for cargo scanning and imaging applications uses linac design, RF power control, beam current control, and beam current pulse duration control to provide stable sequences of pulses having different energy levels or different dose.

Abstract: According to one embodiment, a method by which a terminal transmits a signal in a wireless communication system on the basis of a contention-based non-orthogonal NOMA scheme can be provided, wherein the method for transmitting the signal can comprise the steps of: allocating a resource pool to which a signal is to be transmitted on the basis of the contention-based NOMA scheme; and transmitting data and a UE ID through the resource pool on the basis of the contention-based NOMA scheme, wherein a plurality of UE ID regions exist in the resource pool, and the UE ID can be allocated to a first region, which is one of the plurality of UE ID regions, and then transmitted.

Abstract: A cleaner includes: a suction motor that generates suction force; a dust separation unit that separates dust from air sucked by the suction force; a motor housing that covers the suction motor; a flow guide that surrounds an outer side of the motor housing and guides air discharged from the dust separation unit to the suction motor; and a body that forms an external appearance by surrounding the flow guide and guides air discharged from the suction motor together with the flow guide.

Abstract: A method for performing, by a terminal, a contention-based uplink transmission in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: selecting any one of a plurality of codewords and any one of a plurality of demodulation reference signals (DMRS), the plurality of codewords and the plurality of DMRSs being set in a contention resource area for a contention-based uplink transmission; and transmitting, through the contention resource area, uplink data that corresponds to the selected codeword, and the selected DMRS, wherein the DMRS is transmitted in an orthogonal multiple access (OMA) scheme, the uplink data is transmitted in a non-orthogonal multiple access (NOMA) scheme, and the selected DMRS is one of the K DMRSs mapped to the selected codeword, wherein K may be an integer greater than or equal to 1, which is changed according to a DMRS collision occurring in the contention resource area.

Abstract: A three-dimensional printing device including a body, a tank, an origin target, a sensor, and a control module is provided. The tank is rotatably assembled on the body, and the tank is filled with a liquid forming material. The origin target is disposed on the tank and rotates along with the tank. The sensor is disposed on the body and located above the liquid forming material to sense a liquid level of the liquid forming material. The control module electrically connects the tank and the sensor and drives the tank to rotate. The sensor is located above a rotation path of the origin target, and the control module senses the origin target through the sensor and positions a rotation origin of the tank.

Abstract: The present invention proposes a method of transmitting a broadcast signal. The method of transmitting a broadcast signal according to the present invention provides a system capable of supporting next-generation broadcast services in an environment supporting next-generation hybrid broadcast using terrestrial broadcast networks and the Internet. In addition, an efficient signaling method for covering terrestrial broadcast networks and the Internet in an environment supporting next-generation hybrid broadcast is proposed.

Abstract: The present invention provides a vehicle-to-X (V2X) operation method performed by a V2X terminal in a wireless communication system, the method comprising: performing sensing during a terminal-specific sensing period; selecting a resource to be used for performing a V2X communication; and performing the V2X communication on the basis of the selected resource.

Abstract: The present invention relates to a laundry handling apparatus provided with a washable filter in an air circulation passage for drying laundry. The laundry handling apparatus according to the present invention comprises: a cabinet, an outer tub disposed inside the cabinet, an inner tub rotatably disposed inside the outer tub, a circulation passage for guiding at least some of the air inside the outer tub to flow out of the outer tub and be resupplied to the outer tub, a fan disposed in the circulation passage so as to move the air, and a filter unit for filtering foreign substances. The filter unit comprises a filter net, which is disposed in the circulation passage so as to collect the foreign substances contained in the moving air, and a filter frame for supporting the filter net.

Abstract: Provided is a non-orthogonal multiple access method, which: randomly selects a physical resource for performing non-orthogonal multiple access among the contention-based data transmission areas defined in advance; selects a reference signal sequence for a contention-based data transmission through the selected physical resource; selects a contention resource for the contention-based data transmission; selects a scrambling sequence to be applied to data transmission in the contention-based data transmission; and transmitting a data channel including data and a reference signal corresponding to the selected reference signal sequence through the selected physical resource, wherein the data channel is transmitted by allowing the selected scrambling sequence to be applied thereto.

Abstract: The present disclosure relates to a plurality of autonomous mobile robots. A plurality of autonomous mobile robots comprise a first mobile robot including an antenna configured to transmit and receive signals, and a second mobile robot including a first antenna and a second antenna disposed on a front area of a main body thereof to transmit and receive signals to and from the antenna of the first mobile robot. The second mobile robot comprises a control unit configured to determine a relative position of the first mobile robot using the signal received by the first antenna and the second antenna.

Abstract: A common-mode in-line radio frequency (RF) filter isolator includes one or more modules that incorporate a respective RF filter circuit. The one or more modules are configured to be electrically coupled in-line with a communication link, such as an Ethernet cable for example. Accordingly, the filter isolator device is enabled to reduce or eliminate the presence of common-mode noise that is present on the network communication link.

Abstract: It is disclosed a method for transmitting and receiving channel state information in a wireless communication system and a device for supporting the same. Particularly, a method for transmitting channel state information performed by a User Equipment (UE) may include receiving, from a base station, a bitmap for configuring codebook subset restriction (CSR) and reporting, to the base station, Channel State Information (CSI), when a number of antenna ports is configured as 16 or more and a number of layers associated with a rank indicator (RI) in the CSI is 3 or 4, a unit of multiple bits in a bitmap for configuring the CSR is associated with each precoder, and a reporting of precoding matrix indicator (PMI) corresponding to the precoder associated with the multiple bits is restricted in the CSI, when the CSR is indicated in any one of the multiple bits, and each bit in the bitmap for configuring the CSR is associated with each precoder.

Abstract: In one aspect of the present disclosure, a laundry treating apparatus includes a door including: a door cover; and a door frame coupled to a rear surface of the door cover. A left cover seating portion and a right cover seating portion are respectively defined in a left edge and a right edge of a rear surface portion of the door frame. The left cover seating portion and the right cover seating portion are shaped to be symmetrical with each other with respect to a vertical line bisecting the door horizontally. Each of the left cover seating portion and the right cover seating portion is shaped to be symmetrical with respect to a horizontal line bisecting the door vertically.

Abstract: A color temperature sensor assembly comprising a sensor body, a substantially dome shaped diffuser extending through an opening in the sensor body, a substantially flat diffuser disposed within the sensor body below the first diffuser, and a color temperature sensing module disposed below the flat diffuser and adapted to detect a color temperature of light collected by the dome shaped diffuser and the flat diffuser. The shape of the dome diffuser helps capture light from all angles to bring in more light to the sensor and provide more accurate readings. The secondary flat diffuser is adapted to further diffuse the light to reduce light concentration and prevent inaccurate readings. The color temperature readings from the color temperature sensor assembly may be used to control at least one lighting load.

Abstract: Provided is a refrigerator and control method for refrigerator and method for opening a refrigerator door. While a user is holding an object in both hands, a door may be automatically and additionally opened using another part of a body other than hands.

Abstract: A picture filtering method performed by an encoding device, according to the present invention, comprises the steps of: deriving, from a current picture, regions for adaptive loop filtering (ALF); deciding ALF coefficients by picture unit or region unit; on the basis of the ALF coefficients, determining, by region unit, whether ALF is usable; re-deciding ALF coefficients for an ALF-usable first region; deriving a filter shape for the first region; on the basis of the re-decided ALF coefficients, determining, by unit of coding units (CUs) in the first region, whether ALF is usable; performing filtering for ALF-usable CUs on the basis of the derived filter shape and the re-decided ALF coefficients; and transmitting at least one among information on the ALF-usable first region and information on the ALF-usable CUs. According to the present invention, efficient filtering appropriate for image properties per region may be applied.

Abstract: The present invention relates to a vehicle and a control method therefor. The vehicle according to one embodiment of the present invention comprises: at least one sensor for acquiring traveling information of the vehicle and external environment information of the vehicle; and a control unit for receiving traveling information of a first group, wherein the vehicles, which join the first group, are traveling on a road including a plurality of lanes, for determining a target position of the vehicle for the first group on the basis of at least one of the vehicle traveling information, the external environment information, and the traveling information of the first group, and for controlling the vehicle so as to execute at least one operation corresponding to the target position.

Abstract: Disclosed is a method for determining, by a terminal, a transmission resource pool in device-to-device (D2D) communication. The method for determining a transmission resource pool comprises the steps of: indexing resource blocks within a resource block pool; and mapping the indexed resource blocks to physical resource blocks, wherein the indexed resource blocks are arranged in order of increasing resource block index, the resource block pool is used to transmit D2D signals, and information about the configuration of the resource block pool can be indicated by upper layer signaling.

Abstract: A hand-held device with a sensor for providing a signal indicative of a position of the hand-held device relative to an object surface enables power to the sensor at a first time interval when the hand-held device is indicated to be in a position that is stationary and adjacent relative to the object surface, enables power to the sensor at a second time interval shorter than the first time interval when the hand-held device is indicated to be in a position that is moving and adjacent relative to the object surface, and enables power to the sensor at a third time interval when the hand-held device is determined to be in a position that is removed relative to the object surface.

Abstract: A system and method for magnetizing a ferromagnetic element is disclosed. Electrodes are positioned on opposite surfaces of the ferromagnetic element and a current is applied to the electrodes, resulting in the formation of a magnetically conditioned region on the ferromagnetic element. Magnetic field sensors may be placed proximate the magnetically conditioned region. Output signals from the magnetic field sensors may be indicative of a load or torque applied to the ferromagnetic element.