Abstract: Provided is random access method, performed by terminal for uplink data transmission during random access process between cellular based machine communication terminal and base station. The method includes performing random access process between cellular based machine communication terminal and base station, and the random access process includes selecting random access resource by considering coverage level and whether to support multi-tone transmission or not.

Abstract: The present disclosure relates to a co-polyester resin of a composition including dicarboxylic acid, wherein the composition includes C2-5 aliphatic diol and isosorbide in an amount of 70 mol to 97.5 mol and 2.5 mol to 30 mol, respectively, based on 100 mol of the dicarboxylic acid, and the dicarboxylic acid includes C2-6 aliphatic dicarboxylic acid and cyclic aromatic dicarboxylic acid.

Abstract: A resist compound is represented by Formula 1: wherein R1 is an alkyl group having 1 to 12 carbon atoms, an alkenyl group having 1 to 12 carbon atoms, or a hydrocarbon ring group having 3 to 12 carbon atoms, and A bonded to R1 is O or NR2, wherein R2 is hydrogen, an alkyl group having 1 to 12 carbon atoms, an alkenyl group having 1 to 12 carbon atoms, or a hydrocarbon ring group having 3 to 12 carbon atoms. A resist composition includes the resist compound and an organic solvent. A method for forming a resist pattern includes forming a resist layer by applying the resist composition including the resist compound on a substrate, irradiating light onto the resist layer to provide an irradiated resist layer, and developing the irradiated resist layer to form a resist pattern.

Abstract: A semiconductor chip for correcting an aligned error comprises a memory array; a transceiver circuit; and an Error Correction Code (ECC) circuit, wherein the ECC circuit is configured to: receive target data to be encoded, encode the target data by multiplying a generator matrix of a previously generated ECC by the target data, store the encoded target data in the memory array, check a data transformed from the encoded target data, and generate an error corrected data by correcting only a single error of the transformed data and an adjacent error that does not exceed a first value boundary of a predetermined number of bits by using a parity check matrix of the ECC, and output the error corrected data.

Abstract: The present invention relates to a method for the synthesis of 2,5-furandicarboxylic acid, and more specifically, the present invention relates to a more efficient and economical method capable of preparing 2,5-furandicarboxylic acid having various functions with high purity and high yield, even without using a transition metal catalyst.

Abstract: A double frame nanoparticle synthesis method includes: forming a first platinum layer of a closed loop structure on an edge region of a 2-dimensional gold nanoparticle; removing a portion of the gold nanoparticle in an exposed inner region thereof free of the first platinum layer, thereby forming a single frame structure; growing a first gold thin film on the single frame structure; forming a second platinum layer on inner and outer edge regions of the first gold thin film; removing a portion of the first gold thin film in an exposed region thereof free of the second platinum layer, thereby forming a double frame structure having an inner frame of a closed loop structure, and an outer frame having a closed loop structure surrounding the inner frame and partially connected to the inner frame; and forming a second gold thin film on a surface of the double frame structure.

Abstract: A method of predicting traffic information includes receiving a road image photographed by a vehicle that is moved on a road, and detecting an object for the vehicle from a plurality of frames included in the road image; tracking the object detected in the plurality of frames; checking a movement trajectory of the tracked object, and checking a movement direction corresponding to the movement trajectory of the object; and checking a number of vehicles for each movement direction on the basis of the checked movement direction.

Abstract: A gas-liquid separation device has a structure capable of increasing gas-liquid separation performance. The gas-liquid separation device includes: a housing including a fluid inlet passage, a liquid discharge passage, and a gas discharge passage; and a gas-liquid separation unit that is mounted inside the housing, disposed at a rear side of the fluid inlet passage. The gas-liquid separation unit separates a mixed fluid into a liquid and a gas by inducing rotation of the mixed fluid introduced into the housing through the fluid inlet passage. The gas-liquid separation device further includes a flow stabilization member provided at a rear end of the gas-liquid separation unit and configured to maintain a flow state of the liquid and the gas separated by the gas-liquid separation unit.

Abstract: Disclosed herein are an immersive image encoding/decoding method and apparatus, and a method for transmitting a bitstream generated by the immersive image encoding method. An immersive image encoding method according to the present disclosure may include: generating geometry atlases for an immersive image; aligning the geometry atlases to make an alignment height of the geometry atlases correspond to a height of a texture atlas; and generating a geometry bitstream by encoding the aligned geometry atlases.

Abstract: Disclosed is a fan-out buffer which includes a first channel that includes a first delay circuit adjusting a first delay time of a calibration test signal depending on a first delay control signal, a second channel that includes a second delay circuit adjusting a second delay time of the calibration test signal depending on a second delay control signal, a first edge-to-pulse converter that detects a first edge included in a first time domain reflectometry (TDR) waveform of an output terminal of the first channel and generates a first start pulse signal including a first pulse, a second edge-to-pulse converter that generates a second start pulse signal including a second pulse, a stop pulse signal generator that generates a stop pulse signal including a first stop pulse, and a first delay control signal generator that calculates a phase difference generates the first delay control signal.

Abstract: A display module including a display panel comprising a plurality of pixels each comprising a plurality of sub pixels, the pixels being disposed on a plurality of row lines of the display panel and a driver. The driver being configured to apply a pulse width modulation (PWM) data voltage to the sub pixels in a sequential order of the row lines; and drive the display panel such that the sub pixels included in a plurality of consecutive row lines among the plurality of row lines emit light, in the sequential order of the row lines, for a time corresponding to the applied PWM data voltage.

Abstract: The present disclosure provides a system and method of providing a security service by means of a network operator management system in a security management system, the method including receiving a high-level first security policy from an I2NSF (interface to Network Security Functions) user; receiving an available security service from a developer's management system; creating a low-level second security policy corresponding to the first security policy on the basis of the security service; and transmitting a packet including the second security policy for setting the created second security policy to each of a plurality of NSFs (Network Security Function) to an NSF instance, wherein the network operator management system and the NSFs are respectively connect to an I2NSF NSF-laving interface, and the second security policy includes at least one or more of 1) blocking SNS access during business hours, 2) blocking a malicious VoIP (Voice over Internet Protocol) or a malicious VoCN (Voice over Cellular Network)

Abstract: Provided are a metal chalcogenide thin film and a method and device for manufacturing the same. The metal chalcogenide thin film includes a transition metal element and a chalcogen element, and at least one of the transition metal element and the chalcogen element having a composition gradient along the surface of the metal chalcogenide thin film, the composition gradient being an in-plane composition gradient. The metal chalcogenide thin film may be prepared by using a manufacturing method including providing a transition metal precursor and a chalcogen precursor on a substrate by using a confined reaction space in such a manner that at least one of the transition metal precursor and the chalcogen precursor forms a concentration gradient according to a position on the surface of the substrate; and heat-treating the substrate.

Abstract: A video encoding/decoding method and an apparatus using intra prediction per subblock basis are provided. The video encoding/decoding method and apparatus modify the intra prediction mode of a current block in a direction suitable for a subpartitioned block by considering the shape of the subpartitioned block, the direction of subpartitioning, and the prediction direction of the current block. Based on the modified intra prediction mode of the current block, the video encoding/decoding method and apparatus generate an intra prediction mode of the subpartitioned block to perform intra prediction per subblock basis effectively.

Abstract: Provided a light emitting device including a reflective layer including a plurality of nanostructures that are periodically two-dimensionally arranged, a planarization layer disposed on the reflective layer, a first electrode disposed on the planarization layer, an organic emission layer disposed on the first electrode, and a second electrode disposed on the organic emission layer, wherein the planarization layer includes a conductive material that is transparent with respect to light emitted by the organic emission layer, and wherein the planarization layer is disposed on upper surfaces of the plurality of nanostructures such that an air gap is provided between adjacent nanostructures of the plurality of nanostructures.

Abstract: Provided is a compound of Chemical Formula 1: wherein: one of A1 and A2 is a substituent of Chemical Formula 2: and the other one is a cyano group; R3 is a substituted or unsubstituted aryl or heteroaryl group; R4 to R7 are each independently a hydrogen, deuterium, halogen, or a substituted or unsubstituted: silyl, alkyl, amine, arylamine, alkylamine, aryl, or heteroaryl group; R1 and R2 are each independently a substituted or unsubstituted aryl or heteroaryl group; and (1) at least one of R1 to R3 is a substituted phenyl group, or a substituted or unsubstituted heteroaryl group or C10 or higher aryl group; or (2) R7 is deuterium and d is 1 or greater, and an organic light-emitting device comprising the same.

Abstract: A method for manufacturing a heterojunction structure based solar cell includes preparing an n-type or p-type semiconductor substrate; forming a p-type or n-type non-oxide semiconductor material layer on the n-type or p-type semiconductor substrate to form a p-n junction; forming a transition metal oxide film on the non-oxide semiconductor material layer; and forming a front electrode and a rear electrode. The transition metal oxide layer protects the surface of the non-oxide semiconductor and improves charge extraction.

Abstract: The present disclosure provides a method of preparing a catalyst for synthesizing dimethyl ether or methylacetate from synthetic gas that includes preparing a nanosheet ferrierite zeolite (FER), and co-precipitating the nanosheet ferrierite zeolite and a precursor of a Cu—Zn—Al-based oxide (CZA) to obtain a hybrid CZA/FER catalyst.

Abstract: A neural network method and device are included, A neural network circuit includes a synaptic memory cell including a resistive memory element, which is disposed along an output line and which can have a first resistance value and a second resistance value as a resistance value, the synaptic memory cell generates a column signal, based on the resistance value of the resistive memory element and an input signal received via an input line, a reference memory cell including a reference memory element, which is disposed along a reference line and which has a resistance value that is a ratio of the first and second resistance values, the reference memory cell generates a reference signal, based on the resistance value of the reference memory element and the input signal, and an output circuit generates an output signal for the output line based on the column signal and the reference signal.

Abstract: A spheroid generator includes a body part; a main injection part which is formed in the body part so that a cancer cell solution is injected and configured to stop the flow of the cancer cell solution when the cancer cell solution comes into contact with a culture medium; and a sub-injection part which is formed in the body part so that an anticancer substance or a stromal cell solution is injected, and communicates with the main injection part so that the injected anticancer substance or stromal cell solution flows to the main injection part.