Abstract: Disclosed herein is a method for transmitting, by a terminal, a sounding reference signal (SRS). The terminal receives a grant for uplink multiple subframes from a base station. The terminal determines a first subframe for an SRS transmission of the terminal among the uplink multiple subframes on the basis of SRS transmission position information received from the base station. Further, the terminal transmits the SRS in the first subframe.

Abstract: The present invention relates to a video encoding and decoding method. A video decoding method for the same may include: obtaining granularity information; determining a sharing region based on the granularity information; and generating a prediction block of a current block by using motion information of the sharing region when the current block corresponds to the sharing region.

Abstract: An optical module assembly is provided. The optical module assembly includes an electric sub-assembly including a printed circuit board (PCB) and an electronic device mounted on the PCB and an optical module including an interposer including a transparent material, an optical sub-assembly accommodating optical components, and a cover covering an upper portion of the optical sub-assembly, wherein one end portion of the PCB is inserted into the optical sub-assembly through an inserting hole formed in a sidewall of the optical sub-assembly, and the optical components and a substrate electrode formed on a surface of the one end portion of the PCB are electrically connected to each other by the interposer.

Abstract: An image encoding method according to the present disclosure may include generating an atlas based on a plurality of viewpoint images; encoding the atlas; and encoding metadata for the atlas. In this case, the metadata may include data of a patch packed in the atlas, and the patch data may include type information of an entity corresponding to a patch.

Abstract: Provided are a three-dimensional (3D) data generation device, an analysis server, and a 3D printing method employing a homomorphic encryption scheme. The 3D data generation device includes a memory, a scan module, and a processor connected to the memory and the scan module. The processor generates 3D data of an object scanned through the scan module and encrypts the 3D data in accordance with a homomorphic encryption scheme.

Abstract: An Internet of Thing (IoT) device generates a first response value corresponding to a previously registered first challenge value by using a WPUF, generates a current session key based on the first response value, transmits the current session key to an authentication server by encrypting the current session key into a first random number, receives, from the authentication server, some of a previously registered CRP transmitted by the authentication server as the authentication server authenticates the IoT device based on the first random number and the session key and a second random number, generates a second response value corresponding to a second challenge value, among the some of the CRP, by using an RPUF, authenticates the authentication server by comparing the second response value with the some of the CRP, and then updates the session key, the second challenge value, and the second response value for a next session.

Abstract: An image encoding/decoding method and apparatus for performing intra prediction are provided. An image decoding method of the present invention comprises deriving an intra prediction mode for a current block, selecting at least one reconstructed sample line neighboring to the current block, constructing a reference sample using at least one reconstructed sample included in the at least one reconstructed sample line, and performing intra prediction for the current block based on the intra prediction mode and the reference sample.

Abstract: A method of a reflecting node may comprise: receiving, from a first node, power control information that sets an amplification amount of a first signal transmitted from the first node to a second node in an n-th slot, n being a natural number; amplifying the first signal received from the first node based on the power control information; and reflecting the amplified first signal to the second node, wherein the power control information includes information on a mode of a reflector included in the reflecting node, a maximum transmission power of the reflecting node, a signal power expected to be received at reflecting elements of the reflecting node, a first transmission gain function, and a first parameter set.

Abstract: Provided is an artificial neural network processing apparatus including: first to fourth submatrix multiplication operators configured to perform a first submatrix multiplication operation and then a second submatrix multiplication operation using eight pieces of input data; a memory mapping unit configured to map at least a portion of the eight pieces of input data to the first to fourth submatrix multiplication operators with a first mapping structure for the first submatrix multiplication operation, and map at least a portion of the eight pieces of input data to the first to fourth submatrix multiplication operators with a second mapping structure for the second submatrix multiplication operation, wherein the first mapping structure and the second mapping structure have different mapping structures; and a controlling unit configured to control the memory mapping unit to be formed with the first mapping structure or the second mapping structure.

Abstract: An intra prediction mode encoding and decoding method, an image decoding device, and an image encoding device operate by deriving most probable modes (MPMs) from surrounding prediction units adjacent to a current prediction unit and deriving an intra prediction mode of the current prediction unit on the basis of an MPM flag indicating whether an MPM having the same prediction mode as the intra prediction mode of the current prediction unit exists among the derived MPMs.

Abstract: Provided are an edge gateway system for providing device use and resource sharing suggestions and an operating method thereof. The edge gateway system includes at least one edge gateway and an edge gateway management server connected to the at least one edge gateway. The edge gateway is connected to one or more edge devices and transmits an operation status of the edge gateway and an operation status of the edge devices to the edge gateway management server, the edge gateway management server generates suggestion information to be delivered to a user of the edge gateway based on the operation status of the edge gateway and the operation status of the edge devices, and the suggestion information includes any one of an edge device use suggestion, an edge device sharing suggestion, and an edge gateway service resource sharing suggestion.

Abstract: An apparatus for correcting output impedance of a memory interface driving circuit, the apparatus comprising: a first PD driver including a plurality of first sub PD drivers connected to each other in parallel; a first control unit configured to sequentially change a first control code, the first control code being a combination of control signals for turning the plurality of first sub PD drivers on or off in each pull-down sweep; and a first comparator configured to generate a first output pattern, the first output pattern being a sequence of 0 or 1 representing a result of comparing an output voltage of the first PD driver generated according to the first control code with a first reference voltage, wherein the first control unit determines a first impedance correction code for the memory interface driving circuit from among the sequentially changing first control codes using the first output pattern.

Abstract: A method and apparatus for transmitting a frame to at least one receiver in a wireless communication system is provided. The apparatus determines at least one data length in accordance with each receiver based on a number of symbol for the frame to be transmitted, determines a maximum data length among the at least one data length, and determines a length of the frame in time domain based on the maximum data length. The apparatus generates the frame in accordance with the length of the frame, the frame including a first signal field and at least one second signal field. The first signal field indicates the length of the frame and each second signal field indicates each data length.

Abstract: An optical receiving module assembly is provided. The optical receiving module assembly includes an electric sub-assembly including a printed circuit board (PCB) including an opening portion and an electronic device mounted on the PCB and an optical receiving module including a first optical component mounted on the PCB and a second optical component mounted on the mount which includes a transparent material and is disposed in the opening portion, wherein the electronic device and the second optical component are electrically connected to each other by a mount electrode formed on a surface of the mount.

Abstract: An operation method of a first device may comprise: identifying a first MT CC operating in a multiplexing mode among one or more MT CCs formed by an IAB-MT constituting the first device; determining first beam preference information for the first MT CC; transmitting, to a second device which is an upper node of the first device, the first beam preference information; and performing beam-based communications with the second device based on the first beam preference information.

Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.

Abstract: Provided is a report data convergence analysis method for a disaster response. The method includes receiving first input data including report input data of a reporter, reception input data of a receiver, and report document input data that is prepared by the receiver after a disaster situation ends, storing the first input data in a first database, generating a plurality of first learning models through a learning process based on the first input data stored in the first database, and when the report input data of the reporter is received, performing convergence analysis on the plurality of generated first learning models to provide disaster situation information.

Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.

Abstract: Provided are an imaging encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameter.

Abstract: Disclosed are a method for inducing a prediction motion vector and an apparatus using the same. An image decoding method can include: a step of determining the information related to a plurality of spatial candidate prediction motion vectors from peripheral predicted blocks of a predicted target block; and a step of determining the information related to temporal candidate prediction motion vectors on the basis of the information related to the plurality of spatial candidate prediction motion vectors. Accordingly, the present invention can reduce complexity and can enhance coding efficiency when inducing the optimum prediction motion vector.