Abstract: A beam fingerprint-based positioning method, performed by a communication node located in a target space, may include: performing measurements on positioning signals transmitted from at least one reference node through a plurality of directional beams in a beam sweeping scheme; transmitting a result of the measurements to a central node; and receiving information on a position of the communication node from the central node.

Abstract: A method for processing video obtained by circuit driving includes receiving a plurality of videos taken by shooting an outside of a vehicle, receiving input by a user for moving a viewpoint of a first surround view video, creating a second surround view video having the viewpoint moved from the first surround view video based on the plurality of videos and the input by the user, and providing the second surround view video, where the first surround view video and the second surround view video display both the outside of the vehicle and a virtual model of the vehicle through processing of the plurality of videos.

Abstract: A wireless communication method and apparatus in a wireless local area network (WLAN) system are disclosed. A wireless communication method according to one embodiment may include generating a high-efficiency Wi-Fi (HEW) frame including at least one of an HEW-SIG-A field and an HEW-SIG-B field which include channel information for communications according to an Orthogonal Frequency-Division Multiple Access (OFDMA) mode, and transmitting the generated HEW frame to a reception apparatus.

Abstract: Disclosed is a method of manufacturing a silicon carbide wafer. The method of manufacturing a silicon carbide wafer includes a step of disposing a silicon carbide block in a crucible; a step of sublimating a silicon carbide included in the silicon carbide block to form a silicon carbide ingot; and a step of processing the silicon carbide ingot.

Abstract: The inventive concept relates to a substrate support unit provided in an apparatus for treating a substrate using plasma. In an embodiment, the substrate support unit includes a dielectric plate on which the substrate is placed, a lower electrode that is disposed under the dielectric plate and that has a first diameter, a power supply rod that applies RF power to the lower electrode and has a second diameter, and a ground member disposed under the lower electrode and spaced apart from the lower electrode by a first gap by an insulating member, the ground member including a plate portion having a through-hole formed therein through which the power supply rod passes, in which the through-hole has a third diameter.

Abstract: An apparatus for controlling a flow rate of water based on an oxygen consumption of a farming target fish is disclosed. The apparatus can include a water temperature meter for measuring a water temperature of an aquaculture tank containing the farming target fish, an automatic feeder for supplying a fish feed to the aquaculture tank, a first oxygen concentration meter for measuring an oxygen concentration in water supplied to the aquaculture tank, a second oxygen concentration meter for measuring an oxygen concentration in water discharged from the aquaculture tank, an oxygen consumption calculator configured to calculate an oxygen consumption of the farming target fish, a water flow rate calculator configured to calculate a flow rate of water to be supplied to the aquaculture tank, and a water supply configured to supply the water to the aquaculture tank.

Abstract: A semiconductor device with EMI shield and a fabricating method thereof are provided. In one embodiment, the semiconductor device includes EMI shield on all six surfaces of the semiconductor device without the use of a discrete EMI lid.

Abstract: The present disclosure relates to an apparatus for managing a wound and a method of operating an apparatus for managing a wound. The method includes acquiring a measured image including a color chart, acquiring a location of a first marker included in the color chart based on the measured image, acquiring a location of a second marker included in the color chart based on the measured image, acquiring a location of a third marker included in the color chart based on the measured image, acquiring a location of a fourth marker included in the color chart based on the measured image, and acquiring center points of a plurality of color patches included in the color chart based on the location of the first marker, the location of the second marker, the location of the third marker, and the location of the fourth marker.

Abstract: A method for performing sidelink groupcast transmission by a transmission terminal includes the steps of: classifying reception terminals belonging to a subject group into two or more subgroups; allocating different groupcast feedback schemes to the two or more subgroups; performing groupcast transmission to the reception terminals; and receiving feedback information from terminals belonging to at least one subgroup among the two or more subgroups according to the different groupcast feedback schemes.

Abstract: A button-type secondary battery according to the present disclosure includes: an electrode assembly; a lower can configured to accommodate the electrode assembly; an upper can coupled to an opening of the lower can; a gasket configured to insulate a coupling portion between the lower can and the upper can; and a center part provided at a core portion of the electrode assembly, wherein the center part includes: a center pin inserted into the core portion of the electrode assembly; and an upper plate provided with an upper cover surface provided on an upper end of the center pin to protect an upper portion of the electrode assembly, wherein an edge of the upper cover surface is provided to be supported on an inner wall of the lower can.

Abstract: An embodiment magnetorheological (MR) damper includes a stator including a solenoid coil to which a current is applicable, a rotor configured to rotate with respect to the stator, and an orifice disposed between the stator and the rotor, wherein the orifice is configured to allow fluids sealed in a first chamber and a second chamber defined by the stator and the rotor to communicate with each other.

Abstract: A display device includes a pixel circuit part including a first oxide semiconductor layer, a first gate driver electrically connected to the pixel circuit part, and including a second oxide semiconductor layer at a same layer as the first oxide semiconductor layer, and a first line part electrically connected to the first gate driver, and defining at least one first dummy contact hole adjacent to the second oxide semiconductor layer.

Abstract: Disclosed herein is a system for preventing and notifying of an accident of an agricultural machine, which includes an agricultural machine accident prevention/notification server; a rollover accident detection device configured to control brightness of a display device according to a risk rating pre-assigned to a hazard area when an agricultural machine enters a hazard area and simultaneously provide an operating control command to an Internet of things (IoT) device and connected to a battery module of the agricultural machine to monitor an energy state of the battery module; and the IoT device configured to, when the operating control command is received from the rollover accident detection device, operate according to the operating control command to notify a driver of a vehicle within a radius therefrom of the presence of the agricultural machine.

Abstract: Vertical field-effect transistor (VFET) devices and methods of forming the same are provided. The methods may include forming a lower structure on a substrate. The lower structure may include first and second VFETs, a preliminary isolation structure between the first and second VFETs, and a gate liner on opposing sides of the preliminary isolation structure and between the preliminary isolation structure and the substrate. Each of the first and second VFETs may include a bottom source/drain region, a channel region and a top source/drain region sequentially stacked, and a gate structure on a side surface of the channel region. The preliminary isolation structure may include a sacrificial layer and a gap capping layer sequentially stacked. The methods may also include forming a top capping layer on the lower structure and then forming a cavity between the first and second VFETs by removing the sacrificial layer.

Abstract: The present invention relates to an exosome for stimulating T cells and the pharmaceutical use thereof. Immune exosomes secreted from artificial antigen-presenting cells which express HLA, CD32, and co-stimulatory molecules CD32, CD80, CD83, and 4-1BBL are used to stimulate naive CD8+ T cells whereby preventive and therapeutic effects on tumors, pathogen infections, or autoimmune diseases can be provided.

Abstract: System for measuring the thickness and properties of a thin film using a spatial light modulator according to the inventive concept includes: a spatial light modulator; a first beam splitter; an objective lens; a second beam splitter; a first camera configured to acquire a surface image of the sample; an optical fiber equipped with a light receiving unit to receive reflected light passing through a certain area of a back focal plane of the objective lens; and a spectrometer configured to measure an intensity of light received from the optical fiber and output the measured intensity as an electrical signal.

Abstract: The present invention relates to a method for producing a carbonate. The method of the present invention can safely remove a catalyst used in a carbonate production reaction. The method of the present invention can prevent defects that may occur due to the catalyst in the process of purifying the product in the carbonate production reaction. The method of the present invention can produce the carbonate in high yield.

Abstract: A hybrid-type soft magnetic mixed powder has improved compressibility and magnetic properties by mixing coarse alloy-based soft magnetic powder and fine pure iron-based soft magnetic powder. The hybrid-type soft magnetic mixed powder includes a mixture of 20 wt % to 50 wt % of a spherical alloy-based soft magnetic powder and 50 wt % to 80 wt % of an irregularly shaped pure iron-based soft magnetic powder. A method of forming the soft magnetic mixed powder includes mixing the alloy-based and iron-based powders and a soft magnetic material is formed using the soft magnetic mixed powder.

Abstract: The present invention relates to a method for producing a carbonate. The method for producing a carbonate according to the present invention is capable of removing a catalyst applied in the preparation process with high efficiency, without damaging an adsorbent.

Abstract: An operation method of an IAB node in a communication system may comprise: measuring a power difference between a first signal received from a first node and a second signal received from a second node; controlling a transmit power of each of the first node and the second node based on the power difference; generating scheduling information for allowing the first node and the second node to simultaneously transmit signals; transmitting the scheduling information to the first node and the second node; and receiving signals that the first node and the second node simultaneously transmit according to the scheduling information by using the transmit power.