Abstract: The LoS MIMO system may be applied to all frequency bands used in general mobile communications. In particular, the LoS MIMO system is very important in high frequency bands (e.g., 10 GHz to 100 GHz, or hundreds of GHz or tera-Hz). Accordingly, the present disclosure proposes a method and apparatus for designing signals and resources in a LoS MIMO system applicable to next generation wireless communication systems.

Abstract: A micro probe array device and method of manufacturing are disclosed. In the micro probe array device, a plurality of working electrodes are arranged in an array form, so that an individual electric signal can be applied to an object for each working electrode. In the micro probe array device, the height of the working electrode may be different, the working electrode and the counter electrode may constitute a double electrode, or the substrate may be made of a flexible material.

Abstract: An apparatus for storing a key value store file according to an embodiment includes a memory configured to record one or more key values in a predefined unit space based on a data input request from an outside, a controller configured to store data received from the memory in a storage, and the storage configured to include a plurality of zones. The controller is configured to perform a flush operation of storing one or more key values received from the memory as a file in a predefined format in the storage and a compaction operation of merging a plurality of files existing in one level in the storage and recording the merged files as one file in another level.

Abstract: Proposed is a polymer multilayer structure with a metallic feel including two or more polymer layers having respectively different types of polymers having respective refractive indices that differ by 0.3 or more, the two or more polymer layers being stacked alternately, each of the polymer layers having a predetermined thickness in a range of 95 to 195 nm, independently of each other, and at least one polymer layer of the layers contains guanine as a plate-like pigment. A method of manufacturing the same polymer multilayer structure is also proposed.

Abstract: Disclosed are a method and apparatus of proving a continuous action uniqueness. The method includes setting information on each of a plurality of actions performed by a user to a plurality of terminal nodes, grouping the plurality of terminal nodes in units of ‘n’ (where, ‘n’ is a natural number of 2 or more) and setting a parent node of the plurality of terminal nodes based on a combination of information corresponding to the grouped nodes, constructing a Hash tree by generating a Hahs tree root based on a combination of information corresponding to the parent node, and constructing a new Hash tree based on information about a new action and information corresponding to the Hash tree root when the new action subsequent to the plurality of actions is performed by the user.

Abstract: A device for detecting zone parallelity includes a detection control circuit configured to generate respective first and second requests for first and second zones among a plurality of zones included in a solid state drive (SSD). An SSD controller is configured to control the SSD by generating a first command and a second command corresponding to the first request and the second request, respectively, and to schedule the first command and the second command. The detection control circuit determines zone parallelity of the first and second zones using response characteristics of the responses of the SSD to the first request and the second request. The response characteristics may include a latency of a response.

Abstract: According to an aspect of the disclosure, there may be provided a peening apparatus for generating a compressive residual stress on a pipe member including at least one curved round portion and having a hollow inside formed therein in which a first fluid and a second fluid, which is in a gas phase, are accommodated, the apparatus including: a probe which is disposed such that it is submerged in the first fluid supplied to the hollow inside, and which is configured to apply a wave to the first fluid, wherein the first fluid and the second fluid have different acoustic impedances, so that the wave is totally reflected on a reflection surface where the first fluid and the second fluid are in contact, and forms a standing wave, and wherein a cavity generated and grown by the formed standing wave is exploded and emits a shock wave or microjet, which generates a compressive residual stress on the inner surface of the pipe member surrounding the hollow inside.

Abstract: A 3D printer capable of adjusting a light transmission rate includes: a plate on which a forming material is disposed; a light source disposed above the plate and emitting light for curing the forming material; a course setting unit setting a processing course of the light emitted to the forming material; a beam shifting speed determination unit determining a beam shifting speed in each processing zone of the processing course set by the course setting unit; and a light transmission rate adjustment unit disposed between the forming material and the light source and adjusting a transmission rate of the light emitted to the forming material based on the beam shifting speed in each processing zone of the processing course.

Abstract: Disclosed herein are a piezoelectric element, a method of manufacturing the piezoelectric element, a touchpad including the piezoelectric element, and a method of operating the touchpad, wherein the piezoelectric element has a shape of an N-hedron and includes N polygonal unit piezoelectric films forming N faces of the N-hedron, and the touchpad includes: a first piezoelectric element having a shape of an N-hedron; a pad body having a first installation groove detachably supporting the first piezoelectric element; and a signal processer receiving and processing a first signal generated by the first piezoelectric element in response to a first external force, wherein N unit signals are generated by N unit piezoelectric films forming N faces of the first piezoelectric element in response to one external force.

Abstract: The present disclosure relates to a method and apparatus for electronic signature and, more particularly, to a method and apparatus for performing safe, post-quantum electronic signature using infinite continuity of a hash function and one-time key pairs. A method for electronic signature using a computing device according to one embodiment of the present disclosure comprises obtaining a message to be electronically signed; obtaining a plurality of public keys generated by a key generation algorithm, and based on the plurality of public keys, generating a signature verification value for the message, wherein the signature verification value includes at least one verification factor generated based on the different public keys or a value obtained by merging the different public keys.

Abstract: Disclosed are a device and a method for transmitting and receiving data in non-terrestrial and terrestrial network systems. According to an embodiment of the present invention, a wireless transmission and reception method performed by a user equipment in an environment where network nodes providing different cell coverages is implemented including the steps of: receiving information indicating a threshold value based on a synchronization signal block (SSB) or a reference signal received power (RSRP) from a first network node which provides a first cell coverage, measuring a channel between the first network node and the user equipment, comparing the channel measurement value with the threshold value; and on the basis of a result of comparing the channel measurement value with the threshold value, determining whether to initiate connection to a second network node which provides a second cell coverage which at least overlaps the first cell coverage.

Abstract: The present disclosure relates to an apparatus and method for transmitting RAN (Radio Access Network) slice-related information, and discloses a user equipment including: a transceiver configured to receive individual control information provided individually for each RAN slice from a network node, and to perform a random access procedure using resources individually configured for each RAN slice based on the individual control information; and a processor for controlling reception of the individual control information, and the random access procedure. Such a user equipment provides an effect of being able to separately transmit control information including, for example, system information for each slice for RAN slicing.

Abstract: Disclosed are a device and method for performing a random access in a non-terrestrial network system.

Abstract: Disclosed is an algal bloom measuring system includes a body that floats on a water surface in a divided area, an algal bloom sensor unit disposed in the body and that generates an electric current through algae distributed in water, a controller that detects the electric current generated by the algal bloom sensor unit and determine whether algae are present, and a communication unit that transmits alga determination information of the controller to an outside.

Abstract: A 3D printer includes: a tank containing a photocurable resin; a spatial light modulator disposed under the tank and selectively delivering light to a specific region of the photocurable resin, the spatial light modulator including a light source; a positioning stage disposed under the spatial light modulator and moving the spatial light modulator along multiple axes; and a controller controlling the spatial light modulator and the positioning stage, wherein the controller controls the spatial light modulator and the positioning stage such that the spatial light modulator is moved along a specific path and regions of the photocurable resin illuminated with the light partially overlap one another to allow a cumulatively illuminated region to be cured.

Abstract: Disclosed is multi-modal few-shot learning device for user identification using a walking pattern based on deep learning ensemble. The device includes: a walking data collector configured to collect walking data of a user from a smart insole including any one or more of a pressure sensor, an acceleration sensor, and a gyro sensor; a preprocessor configured to convert a series of time series walking data obtained from each of the sensors included in the smart insole into a unit format data set; and an ensemble learner configured to apply an ensemble learning model that provides one final prediction by training CNN series learning and RNN series learning respectively and independently based on the unit-format data set generated by the preprocessor.

Abstract: A sidelink data transmission method for ultra-low latency and high reliability communication in a wireless communication system and an apparatus therefor are provided. A method for transmitting sidelink configuration information by a base station according to an embodiment of the present disclosure includes transmitting first sidelink configuration information to a transmitting UE and a receiving UE, transmitting second sidelink configuration information to the transmitting UE and the receiving UE, receiving a result of repeated transmission of sidelink data from the transmitting UE or the receiving UE, determining at least one of whether the sidelink data is retransmitted or the number of repeated transmissions for next sidelink data to be transmitted, and transmitting downlink control information to the transmitting UE and the receiving UE.

Abstract: Disclosed are a pipette type patch clamp, a measuring device having the patch clamp, and a method of manufacturing the patch clamp. The pipette type patch clamp includes a pipette type puller having a through region with a predetermined length such that an object is sucked therethrough, a silicon wafer configured to support the puller, an insulating layer disposed on a surface of the silicon wafer and a surface of the puller, and an electrode layer disposed on a surface of the insulating layer to connect to a first fluid channel and a second fluid channel.

Abstract: Provided are a repetitive transmission method for ultra-low latency and highly-reliable communication in a wireless communication system, and an apparatus therefor. A method for transmitting data by a terminal according to an embodiment of the present invention comprises the steps of: receiving information on the repetition number of transmission for a physical uplink shared channel (PUSCH) from a base station; receiving, from the base station, information on frequency hopping applied to the the PUSCH repetition configuring the the PUSCH repetition; determining a frequency resource for the PUSCH repetition based on the information on the frequency hopping; and performing the the PUSCH repetition.

Abstract: A method of manufacturing a transparent microbial energy device includes disposing a first transparent electrode, disposing a first hydrogel layer including an algal cell on the first transparent electrode, disposing a Nafion layer on the first hydrogel layer, disposing a second hydrogel layer including potassium ferricyanide on the Nafion layer, and disposing a second transparent electrode on the second hydrogel layer.