Abstract: A method of a terminal may comprise: receiving, from a base station, configuration information of a guard band configured within a carrier bandwidth; determining a first transmission direction of a first subband configured in a higher frequency region from the guard band within the carrier bandwidth; determining a second transmission direction of a second subband configured in a lower frequency region from the guard band within the carrier bandwidth; determining a third transmission direction of the guard band based on the first transmission direction and the second transmission direction; and performing communication with the base station according to the third transmission direction in the guard band.

Abstract: Provided is a transistor device including: a substrate; a lower transistor positioned on the substrate and including a lower channel layer, a lower gate, and a lower source/drain region; an upper transistor positioned on the lower transistor and including an upper channel layer, an upper gate, and an upper source/drain region; and an inner spacer configured to insulate the lower transistor from the upper transistor, wherein the inner spacer may be formed by removing a portion of each of a first sacrificial layer and a second sacrificial layer, which are formed above and below the lower channel layer and the upper channel layer and have different Ge contents, to a depth according to a Ge content and then depositing an insulating material.

Abstract: Provided is a polymer dispersed liquid crystal display including a first substrate and a second substrate disposed to oppose each other, a first electrode on an upper surface of the first substrate, a second electrode on a lower surface of the second substrate, wherein the upper surface of the first substrate faces the lower surface of the second substrate, a liquid crystal layer disposed between the first electrode and the second electrode, quid crystal drops distributed in the liquid crystal layer, and nano-particles distributed in the liquid crystal layer, wherein the nano-particles are insulators and may have light transmittance.

Abstract: A method and apparatus for configuring mesh peer link and a method and apparatus for switching channel in wireless mesh network are provided. A method of configuring a mesh peer link in a wireless mesh network includes a first mesh station transmitting a mesh peering open frame to a second mesh station, and the first mesh station receiving a mesh peering confirm frame from the second mesh station in response to the mesh peering open frame, wherein the first mesh station and the second mesh station support a very high throughput (VHT), and wherein the mesh peering open frame and the mesh peering confirm frame comprise a VHT capability information element.

Abstract: A method of estimating a pedestrian risk situation includes receiving an image captured by a CCTV camera that is installed at a predetermined location, generating a bounding box of a pedestrian within the image, generating a segmentation map by performing semantic segmentation on the image, generating a ground area map by identifying a ground area in the segmentation map, and estimating semantic location information of the pedestrian based on the bounding box and the ground area map.

Abstract: Disclosed are an optical device capable of having pulse width reduced and adjusted and a laser resonator including the same. The laser resonator including an optical system that forms a first focusing regime and laser crystals disposed in the first focusing regime includes one or more lenses that form a second focusing regime, and an optical device disposed within the second focusing regime and having high non-linearity. A material having a saturated absorption characteristic may be coated on at least one side of the optical device.

Abstract: Disclosed herein is a method for security performance evaluation for determining a defensive execution function. The method includes determining performance criteria data for a defensive execution function by performing static analysis of a protection target program, receiving a performance level specification for the defensive execution function, injecting the defensive execution function within a defensive execution function pool into the protection target program, injecting code for measuring the security performance of the defensive execution function into the protection target program, measuring the security performance data of the protection target program, and determining a combination of defensive execution functions within the defensive execution function pool based on the security performance data.

Abstract: A technology enabling a terminal to receive acknowledgement (ACK)/negative ACK (NACK) information about data transmitted from the terminal is provided. The method includes receiving cyclic shift information for a reference signal from the base station; transmitting, to the base station, the data and a reference signal which is cyclic-shifted using a cyclic shift value, the cyclic shift value being determined based on a dynamic cyclic shift value mapped one-to-one to the cyclic shift information for the reference signal; and receiving, from the base station, the ACK/NACK information about the transmitted data through a radio resource of a downlink channel, the radio resource of the downlink channel being identified based on a modifier mapped one-to-one to the cyclic shift information for the reference signal.

Abstract: An epoxy dispensing device is provided. The epoxy dispensing device includes a cylinder configured to accommodate epoxy, a lower cover configured to seal a lower portion of the cylinder, and a pin disposed under the lower cover, wherein the pin pushes up the lower cover to coat the epoxy on a lower surface of an electronic component mounted in a dispensing port formed in an upper portion of the cylinder.

Abstract: A method and device for obtaining context associated with a character in a video are disclosed. A method for obtaining a context associated with a character in a video, performed by a device according to one embodiment of the present disclosure, may include obtaining appearance time information for at least one character appearing in a specific video; obtaining a context related to at least one character from a video portion corresponding to a time at which the at least one character appeared based on the appearance time information; generating at least one graph representing a context of the at least one character based on the context related to the at least one character; and classifying the at least one character using the at least one graph.

Abstract: Provided are an electronic device for providing similar incident information about a reported incident and an operating method of the electronic device, in which the operating method includes receiving new incident information and reporter information about a reported new incident, determining whether the new incident information is obtained by a false or mistaken report, based on the new incident information and the reporter information, determining, when the new incident information is determined to be true, a similarity with one or more pieces of related incident information associated with the reported new incident in a database that stores past incident information, and outputting, among the one or more pieces of related incident information, similar incident information to respond to the reported new incident, based on the similarity.

Abstract: A method of searching a cell in a mobile station of a communication system in which a plurality of cells are grouped into a plurality of cell groups, each cell group including at least two cells, includes: detecting a primary synchronization signal and a secondary synchronization signal from a received signal; and identifying a cell based on a combination of the primary synchronization signal and the secondary synchronization signal. The secondary synchronization signal is related to the cell group to which the mobile station belongs and the primary synchronization signal is related to the cell to which the mobile station belongs within the cell group.

Abstract: According to the present invention, an image encoding apparatus comprises: a motion prediction unit which derives motion information on a current block in the form of the motion information including L0 motion information and L1 motion information; a motion compensation unit which performs a motion compensation for the current block on the basis of at least one of the L0 motion information and L1 motion information so as to generate a prediction block corresponding to the current block; and a restoration block generating unit which generates a restoration block corresponding to the current block based on the prediction block. According to the present invention, image encoding efficiency can be improved.

Abstract: Provided is a downlink control information transmitting and receiving method which can maximize the use of limited radio resources by effectively forming an uplink signaling message to be transmitted from a base station to a terminal and transmitting the formed uplink signaling message with a minimum amount of radio resources occupied.

Abstract: There is provided a method of decoding an image, the method comprising: decoding information for motion information prediction of a current block from a bitstream, predicting motion information of the current block based on the information, refining motion information of the current block by using the decoded information and the predicted motion information of the current block and reconstructing the current block based on the refined motion information of the current block.

Abstract: Disclosed is a method of decoding an image and a method of encoding an image. The method of decoding an image includes: obtaining motion-constrained tile set information; determining, on the basis of the motion-constrained tile set information, a first boundary region of a collocated tile set within a reference picture, which corresponds to a motion-constrained tile set; padding a second boundary region corresponding to the first boundary region; and performing inter prediction on the motion-constrained tile set by using a collocated tile set that includes the padded second boundary region.

Abstract: Disclosed is a wireless communication system using multiple transmission and reception points. In a wireless communication system having a first transmission and reception point and at least one second transmission and reception point belonging to the same cell, the first transmission and reception point has a wider transmission area than the at least one second transmission and reception point, and the first transmission and reception point and the at least one second transmission and reception point generate downlink transmission signals by using the same physical layer cell ID or virtual cell IDs allocated to each terminal, and then the terminals generate uplink transmission signals by using the allocated virtual cell IDs.

Abstract: Disclosed herein is a video decoding method including: obtaining a transform skip mode flag indicating whether transform/inverse transform is skipped in a current block; when transform/inverse transform is skipped in the current block according to the transform skip mode flag, determining that secondary transform/inverse transform is skipped in the current block; and when transform/inverse transform is not skipped in the current block according to the transform skip mode flag, obtaining a transform matrix index for secondary transform/inverse transform of the current block and, determining whether secondary transform/inverse transform is skipped in the current block based on the transform matrix index.

Abstract: A method for receiving a PDCCH by a terminal in a mobile communication system may comprise the steps of: receiving a first PDCCH including first DCI from a base station through a first PDCCH search space; and receiving a second PDCCH including second DCI from the base station through a second PDCCH search space, wherein the first DCI and second DCI are for scheduling the same PDSCH for the same TB or TBs associated with the same HARQ process, are for scheduling different PDSCHs for the same TB or TBs associated with the same HARQ process, or are for scheduling different PDSCHs for different TBs or TBs associated with different HARQ processes. In addition, the first DCI and second DCI may be received from the base station within a time window.

Abstract: The present invention relates to image processing, and more particularly, to a video coding/decoding method using a clipped motion vector and an apparatus thereof. An embodiment of the present invention relates to a method of decoding an image. The method includes clipping a motion vector of a reference picture in a predetermined dynamic range to generate a clipped motion vector, storing the clipped motion vector in a buffer, deriving a motion vector of a coding treeblock using the motion vector stored in the buffer, and performing inter prediction decoding process using the motion vector of the coding treeblock. According to the exemplary embodiment of the present invention, a size of a memory required for storing motion vectors may be reduced.