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Korea Advanced Institute Of Science And Technology patents


Recent patent applications related to Korea Advanced Institute Of Science And Technology. Korea Advanced Institute Of Science And Technology is listed as an Agent/Assignee. Note: Korea Advanced Institute Of Science And Technology may have other listings under different names/spellings. We're not affiliated with Korea Advanced Institute Of Science And Technology, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "K" | Korea Advanced Institute Of Science And Technology-related inventors


Multi-layer graphene-metal-polymer sheet for shielding electromagnetic wave

The present invention relates to a multi-layer graphene-metal-polymer sheet for shielding electromagnetic wave, wherein an electromagnetic wave shielding effect is able to be increased by using graphene-metal nanocomposite powder in which graphene and metal particles are bonded as a conductive material and by constituting a multi-layer structure instead of increasing a content of the graphene-metal nanocomposite powder.. . ... Korea Advanced Institute Of Science And Technology

Apparatus, method, and computer program for detecting malware in software defined network

Disclosed are an apparatus, a method, and a computer program by which it is determined whether a target network program generated in a software defined network is malicious by extracting a feature of a behavior graph of the target network program and applying machine learning to the behavior graph. Accordingly, a security and safety of a software defined network may be improved by detecting whether a computer program is malicious before the malware is installed.. ... Korea Advanced Institute Of Science And Technology

Process for separating electrode for membrane-electrode assembly of fuel cell and apparatus therefor

Disclosed are a process for separating an electrode for membrane-electrode assemblies of fuel cells from the decal transfer film and an apparatus for separating the electrode. In particular, during the electrode separating process, only an electrode is separated from the decal transfer film on which the electrode is coated, without any damage, by a freezing method for freezing the specimen on the deionized water surface, and thus, wasting the expensive mea is prevented. ... Korea Advanced Institute Of Science And Technology

Method of surface localized pore sealing of porous dielectric material

Provided are a method of locally sealing only pores present in a surface part of a porous dielectric material by forming a polymer thin film through an initiated chemical vapor deposition (icvd) method using an initiator, and a method of minimizing an increase in a dielectric constant induced therefrom.. . ... Korea Advanced Institute Of Science And Technology

Wideband ultra-high refractive index mesoscopic crystal structure using space-filling of electric dipole and optical device using the same

A wideband ultra-high refractive index mesoscopic crystal structure using space-filling of an electric dipole according to one aspect of the present disclosure includes: a first layer in which a plurality of high-conductivity unit bodies is arranged in a matrix form, and a low-conductivity material is disposed between the high-conductivity unit bodies to insulate the high-conductivity unit bodies from each other; a second layer in which a plurality of high-conductivity unit bodies is arranged in a matrix form, and a low-conductivity material is disposed between the high-conductivity unit bodies to insulate the high-conductivity unit bodies from each other, the second layer being adjacent to the first layer; and a shield layer existing between the first and second layers and made of a low-conductivity material, wherein the high-conductivity unit bodies in the first layer overlap the plurality of high-conductivity unit bodies arranged in the second layer, and a stack in which the first layer, the shield layer, the second layer, and the shield layer are sequentially stacked is repeated one or more times.. . ... Korea Advanced Institute Of Science And Technology

Method for preparing semiconductor nanocrystal siloxane composite resin composition

The present invention relates to a method for preparing a semiconductor nanocrystal siloxane composite resin composition, and a cured product using the same. In the preparation method, the semiconductor nanocrystals are added during a non-hydrolytic sol-gel condensation reaction for forming a siloxane structure so that a siloxane resin having a dense inorganic network, which includes a siloxane bond, is encapsulated and thus is dispersed in the semiconductor nanocrystals through a chemical interaction and a chemical bond, thereby preventing a reduction in inherent characteristics (quantum efficiency) of the semiconductor nanocrystals resulting from an external oxidizing environment. ... Korea Advanced Institute Of Science And Technology

Beam operation device and method in communication system supporting hybrid multiple-input multiple-output mode

The present invention relates to a 5th-generation (5g) or pre-5g communication system to be provided for supporting a data transmission rate higher than that of a 4th-generation (4g) communication system, such as long term evolution (lte), and subsequent systems. The present invention provides a method by which a mobile station (ms) operates a beam in a communication system supporting a hybrid multiple-input multiple-output (mimo) mode, the method comprising the steps of: receiving, from a base station (bs), information related to the number of beams to be used, by the bs, for a beam training process; receiving, from the bs, a downlink reference signal (rs); performing a channel estimation process on the basis of the downlink rs; and transmitting, to the bs, information related to the number of beams to be used by the ms, after performing the channel estimation process.. ... Korea Advanced Institute Of Science And Technology

Method for generating a single representative image from multi-view images

Provided is a method for generating a single representative image from multi-view images, in which multi-view images captured from two or more viewpoints are combined into a single image using depth information, including identifying visible information from different viewpoints for pixels in each view image using depth information, identifying context of the pixels in all viewpoints using the acquired visible information and the depth information, and combining into a single image, compressing the combined image based on color information, and compressing viewpoint information of pixels in the compressed image.. . ... Korea Advanced Institute Of Science And Technology

Pressure sensor including laterally arranged electrodes on coplanar surface, method of fabricating the same, and multiaxial tactile sensor using the pressure sensor

A pressure sensor including laterally arranged electrodes on a coplanar surface and a method of fabricating the pressure sensor are provided. The pressure sensor includes: a substrate whose top surface is formed in the form of a projection; a first electrode which is formed on one side of the top surface of the substrate; a second electrode which is formed on the other side of the top surface of the substrate and is spaced apart from the first electrode; and a dielectric material layer which is formed on the top surface of the substrate and fills a space between the first electrode and the second electrode. ... Korea Advanced Institute Of Science And Technology

Dual-mode transmission mechanism based on twisted string actuation

A dual mode twisted string actuator using a clutch is provided. The twisted string actuator according to an exemplary embodiment of the present disclosure includes: a first actuator; a first coupler which is rotated by the first actuator; a shaft which is coupled to and interlocked with the first coupler; a second coupler which is selectively interlocked with the first coupler and comprises a plurality of string receiving portions; and a string which has one end fixed to the first coupler and the other end fixed to a moving body through the string receiving portions of the second coupler. ... Korea Advanced Institute Of Science And Technology

Method for transmitting encrypted packet in communication system

Provided is a method for transmitting a packet in a communication system, comprising the steps of: identifying the packet according to a packet identification criterion; reallocating frames included in the identified packet and encrypting the packet in which the frames have been rearranged; and transmitting the encrypted packet. . ... Korea Advanced Institute Of Science And Technology

Semiconductor device and method for manufacturing the same

A semiconductor device includes a substrate including a pmosfet region and an nmosfet region. First active patterns are on the pmosfet region. ... Korea Advanced Institute Of Science And Technology

Coordinate measurement device and method for hover sensing

A coordinate measurement device and method for hover sensing are disclosed. According to the present invention, the coordinate measurement device comprises: a channel electrode unit including a plurality of electrodes, wherein a capacitance of at least one of the plurality of electrodes variably changes by the approach of a contact object; a driving unit for applying a positive voltage to a first electrode group among the plurality of electrodes and applying a negative voltage to a second electrode group among the plurality of electrodes; a reception unit for receiving reception signals from a plurality of electrodes in the first electrode group and a plurality of electrodes in the second electrode group, respectively; and a processor for determining the position of the contact object on the basis of the received signals. ... Korea Advanced Institute Of Science And Technology

Polycrystalline oxide having improved grain boundary proton conductivity

Provided is a polycrystalline oxide having a chemical formula such as the following a1−xb1−ymyo3 and having an improved grain boundary proton conductivity as an oxide having a perovskite structure. Through the present invention, the conductivity and chemical stability of proton conducting oxide may be improved.. ... Korea Advanced Institute Of Science And Technology

08/23/18 / #20180242291

Apparatus and method for multiplexing data in wireless communication system

The present disclosure relates to a pre-5th-generation (5g) or 5g communication system to be provided for supporting higher data rates beyond 4th-generation (4g) communication system such as long term evolution (lte). A terminal apparatus in a wireless communication system is provided. ... Korea Advanced Institute Of Science And Technology

08/23/18 / #20180241670

Software switch for providing network function and operation method thereof

A software switch for providing a network function and an operation method thereof are provided. The software switch includes an extraction unit configured to, when a packet is received, extract packet header information from the received packet, a search unit configured to search for an identical flow rule among pre-determined flow rules based on the extracted packet header information, a performance unit configured to, when the identical flow rule is found, execute actions in which a network function for the found flow rule is previously defined, and a transmission unit configured to transmit a packet in which the actions are executed to a destination.. ... Korea Advanced Institute Of Science And Technology

08/23/18 / #20180241459

Method and apparatus for transmitting and receiving data using cache memory in wireless communication system supporting relay node

The present invention relates to a wireless communication system. More particularly, the present invention relates to a method for transmitting a content using a cache memory, and a method for transmitting a content using a cache memory by a relay node according to the present invention may comprise the steps of: storing a first packet among a plurality of the packets constituting the content in the cache memory; decoding a second packet among the plurality of packets constituting the content; and when the second packet has been successfully decoded, combining the first packet and the second packet and transmitting the combined packet to a terminal, wherein the second packet is not already stored in the cache memory.. ... Korea Advanced Institute Of Science And Technology

08/23/18 / #20180237372

Method for producing acrylic acid

A method for preparing acrylic acid, more specifically, to a method for preparing acrylic acid under a neutral condition at high yield in a short time without using a base, unlike the prior art in which a base is essentially used. The acrylic acid is produced using a supported catalyst having a specific composition when preparing acrylic acid by oxidation of allyl alcohol. ... Korea Advanced Institute Of Science And Technology

08/23/18 / #20180235476

Window apparatus for obtaining microscopic image of in vivo breast tissue and method for obtaining image using same

Disclosed are a window apparatus for obtaining a microscopic image of in vivo breast tissue and a method for using the window apparatus to obtain cell-level and molecular-level microscopic images of in vivo breast tissue while maintaining the biological environment of the in vivo breast tissue. In one embodiment, a window apparatus comprises a first chamber having a ring structure with an open window on the center, and a cover glass disposed on the upper part and breast tissue placed on the lower part; a second chamber having an opening window on the center coupled to the first chamber to support the breast tissue; and a chamber holder for fixing the first and second chambers having a tilting mount placing unit with the tilting mount placed to have the cover glass and an object lens of a confocal microscope system stay parallel to each other.. ... Korea Advanced Institute Of Science And Technology

08/16/18 / #20180232853

Image conversion device and image conversion method therefor

An image conversion method includes: dividing a low-resolution image to generate a plurality of low-resolution image patches having n (n being a natural number of 2 or greater) number of pixels; classifying the low-resolution image patches into a plurality of image categories; converting the low-resolution image patches by using a conversion kernel for each image patch corresponding to its image category among prestored conversion matrices, to generate high-resolution image patches having l (l being a natural number) number of pixels, which is less than the n number of pixels; and arranging the high-resolution image patches to generate a high-resolution image. According to the image conversion method, an operation amount can be reduced compared with a conventional technique, and thus the image conversion method can be implemented in hardware having low complexity. ... Korea Advanced Institute Of Science And Technology

08/16/18 / #20180231843

Quantum dot, color conversion panel, and display device including the same

A quantum dot, a color conversion panel, and a display device, the quantum dot including a core; and a shell layer positioned outside of the core, wherein at least one of the core and the shell layer is doped with aluminum, silicon, titanium, magnesium, or zinc, and the core includes a group iii-v compound.. . ... Korea Advanced Institute Of Science And Technology

08/16/18 / #20180230606

Electrolysis apparatus for collecting nitrogen compound using ferric-ethylenediamine tetraacetic acid

The present invention relates to an electrolysis apparatus for collecting a nitrogen compound using ferric-ethylenediaminetetraacetic acid (fe-edta), and more particularly, to an electrolysis apparatus for collecting a nitrogen compound in exhaust gas by supplying electric energy to cause a redox reaction of fe-edta.. . ... Korea Advanced Institute Of Science And Technology

08/09/18 / #20180227586

Method and system for media synchronization

A method and a system for media synchronization are described. The method for media synchronization may include collecting stream source information, generating network delay information between stream sources by performing a delay test between the stream sources, setting synchronization information of a stream source corresponding to a specific channel based on the collected stream source information and the network delay information, measuring network delay with at least one user terminal to receive the stream source, and updating the synchronization information based on the measured network delay.. ... Korea Advanced Institute Of Science And Technology

08/02/18 / #20180220333

Rts/cts handshaking method for improving effeciency of communication resources

Disclosed is an rts/cts handshaking method for improving the efficiency of wireless communication resources. An rts/cts handshaking method according to one example of the present invention comprises the steps of: if a ready to send (rts) packet is received, setting a first network allocation vector (nav) during a predetermined clear to send (cts) packet transmission period; and if the cts packet is received, setting a second nav during a predetermined data packet transmission period.. ... Korea Advanced Institute Of Science And Technology

08/02/18 / #20180215949

Siloxane hard-coating resin composition

The present disclosure provides a hard-coating resin composition for a hard-coating having easy processability, flexibility and high surface hardness suitable for a hard-coating agent, in which a siloxane molecule having an inorganic material characteristic is chemically bonded with an epoxy group having an organic material characteristic to form one molecule, and the siloxane molecule is made to contain a various molecular weight distribution for dense crosslinking during polymerization of the epoxy group in order to obtain high surface hardness due to the inorganic material.. . ... Korea Advanced Institute Of Science And Technology

07/26/18 / #20180213227

Motion picture encoding apparatus and method thereof

Provided is a video encoding apparatus, including a signal separator to separate a differential image block into a first domain and a second domain, based on a boundary line included in the differential image block, the differential image block indicating a difference between an original image and a prediction image with respect to the original image, a transform encoder to perform a transform encoding with respect to the first domain using a discrete cosine transform (dct), a quantization unit to quantize an output of the transform encoding unit in a frequency domain, a space domain quantization unit to quantize the second domain in a space domain, and an entropy encoder to perform an entropy encoding using outputs of the quantization unit and the space domain quantization unit.. . ... Korea Advanced Institute Of Science And Technology

07/26/18 / #20180212676

Device and method for free space coherent optical communication by means of automatic compensation for phase noise in atmosphere using femtosecond laser optical comb

Provided are a device and method for free space coherent optical communications by means of an automatic compensation for phase noise in atmosphere using a femtosecond laser optical comb, and more particularly, a device and method for free space coherent optical communications by means of an automatic compensation for phase noise in atmosphere using a femtosecond laser optical comb, in which a phase shift value due to atmospheric turbulence is obtained from reflected light of transmission light generated from a femtosecond laser optical comb and the transmission light is pre-distorted on the basis of the phase shift value, thereby pre-compensating, in a transmission end, for phase noise due to atmospheric turbulence.. . ... Korea Advanced Institute Of Science And Technology

07/26/18 / #20180212612

Vapor cell comprising electro-optic function for chip-scale atomic clock, and method for manufacturing sealed container for chipscale instrument

According to the present invention, since a silicon body itself supporting first and second glass substrates also has a role of an electric heating device, the temperature of the inside of a through-part can be maintained to be constant. In addition, since it is unnecessary to comprise a separate electric heating device such as a heater or to form an additional heating pattern in order to control the temperature of the inside of the through-part, a process for manufacturing a vapor cell can be simplified. ... Korea Advanced Institute Of Science And Technology

07/26/18 / #20180212396

Device and method for performing overall frequency stabilization of femtosecond laser optical comb by using optical modes directly extracted from optical comb

The present invention relates to a device and a method for performing overall frequency stabilization of a femtosecond laser optical comb by using optical modes directly extracted from the optical comb, and more particularly, to a device and a method for performing overall frequency stabilization of a femtosecond laser optical comb by using optical modes directly extracted from the optical comb capable of stabilizing an overall range of frequencies of the femtosecond laser optical comb by using optical modes directly extracted from the optical comb and generating a cw laser and pulse having an excellent frequency stability and linewidth from the stabilized optical comb.. . ... Korea Advanced Institute Of Science And Technology

07/26/18 / #20180212333

Electromagnetic wave absorbing structures including metal-coated fibers and methods of manufacturing the same

An electromagnetic wave absorber includes a first layer and a second layer disposed on the first layer. The first layer may include a first reinforcing fiber impregnated in a first matrix. ... Korea Advanced Institute Of Science And Technology

07/26/18 / #20180212254

Catalyst electrode for oxygen evolution and method for preparing the same

The present invention provides a catalyst electrode for oxygen evolution comprising an electrode current collector comprising a carbon fiber fabric, a nanowire layer comprising a metal oxide-based porous nanowire grown radially from the surface of the carbon fiber, and a porous carbon coating layer disposed around the outer surface of the nanowire, thereby maximizing the specific surface area and increasing the electron transfer rate, and thus exhibiting an excellent catalytic activity for oxygen evolution reaction, and a preparation method thereof.. . ... Korea Advanced Institute Of Science And Technology

07/26/18 / #20180212148

Ultra-fast method for preparing organic/inorganic thin film by using self-diffusion effects

According to the present invention, an ultra-fast method for preparing an organic/inorganic thin film by using self-diffusion effects comprises the steps of: forming a solution by dissolving one or more organic/inorganic materials in a solvent; forming an organic/inorganic thin film by supplying the formed solution onto a liquid substrate; and transferring the formed thin film to a substrate, wherein the step of forming an organic/inorganic thin film forms a thin film on the liquid substrate from the organic/inorganic materials through the occurrence of a self-diffusion phenomenon caused by a difference in surface tension between the liquid substrate and the solution, and through the occurrence of the evaporation of the solvent and the dissolution process of the solvent to the liquid substrate.. . ... Korea Advanced Institute Of Science And Technology

07/26/18 / #20180210627

System and method for acquiring partial space in augmented space

The present invention includes: a targeting unit configured to, when an event by a user's action is generated in a 3d image displayed on a display device, acquire a first subspace of a first three-dimensional (3d) shape corresponding to the user's action; and a refinement unit configured to acquire a second subspace of a second 3d shape, of which position and scale are adjusted according to a user's gesture within a range of the first subspace acquired by the targeting unit.. . ... Korea Advanced Institute Of Science And Technology

07/26/18 / #20180210148

Planar lightwave circuit-based integrated optical chip

In an embodiment, an integrated optical chip comprises: a substrate; a plurality of planar lightwave circuit-based optical components that are formed on one surface of the substrate; and a plurality of optical waveguides that are formed on the one surface of the substrate and that connect the plurality of optical components to one another. In the embodiment, the plurality of optical components includes a saturable absorber having nonlinear loss characteristics. ... Korea Advanced Institute Of Science And Technology

07/26/18 / #20180210059

Magnetic resonance imaging apparatus and method of controlling the same

A method of controlling a magnetic resonance imaging (mri) apparatus including performing, by the mri apparatus, blipped-controlled aliasing parallel imaging (blipped-caipi) obtaining k-space data on a subject determining a phase error of a chemical shift component, wherein the phase error of the chemical shift component is proportional to a geometric error based on a resonant frequency difference between a main component and the chemical shift component in the subject comparing the k-space data with data in which the phase error of the chemical shift component is reflected, wherein the data in which the phase error of the chemical shift component is reflected is associated with data on the main component and data on the chemical shift component and determining final data for image restoration based on a result of the comparison.. . ... Korea Advanced Institute Of Science And Technology

07/19/18 / #20180206367

Polymer-based, wideband electromagnetic wave shielding film

The present invention relates to a polymer-based, wideband electromagnetic wave shielding film. More particularly, the present invention relates to a polymer-based, wideband electromagnetic wave shielding film capable of improving electromagnetic wave shielding and absorption performance, by applying a multilayer graphene-nanotube-metal oxide nanostructure in which a conductive material and a magnetic material are complexly combined, as a filler of the polymer.. ... Korea Advanced Institute Of Science And Technology

07/19/18 / #20180206256

Method and apparatus for performing uplink scheduling request by terminal

Provided is a method for selectively performing an uplink scheduling request (sr) by a terminal on the basis of an adaptive uplink channel state threshold value, and an apparatus supporting the same. The terminal may calculate an uplink channel state threshold value on the basis of a variation of a short-term average uplink channel state and a long-term average uplink channel state, determine an uplink channel state predictive value on the basis of a downlink channel state, and determine whether to perform an uplink scheduling request on the basis of the uplink channel state predictive value and the uplink channel state threshold value.. ... Korea Advanced Institute Of Science And Technology

07/19/18 / #20180205591

Method and device for transmitting signal in communication system supporting multi-user access

Disclosed is a 5g or pre-5g communication system to be provided so as to support a data transmission rate higher than that of a 4g communication system such as long term evolution (lte). According to the present disclosure, a method for transmitting a signal in a communication system supporting multi-user access comprises the steps of: transmitting, to a receiving device, information indicating a codebook formed on the basis of at least two signal constellations for sparse code multiple access (scma) transmissions; and transmitting signals on the basis of the codebook, wherein the at least two signal constellations are generated on the basis of energy values of symbols of a pre-given mother signal constellation and sizes of the symbols of the mother signal constellation.. ... Korea Advanced Institute Of Science And Technology

07/19/18 / #20180205436

Massive antenna-based pattern/polarization beam division, multiple access method, and apparatus performing the same

A massive antenna-based pattern/polarization beam division multiple access method and an apparatus performing the same are provided. The massive antenna-based pattern/polarization beam division multiple access method includes generating a plurality of beam sectors for each antenna array by using a plurality of pattern/polarization antenna arrays and performing mimo transmission in each of the plurality of beam sectors, wherein the plurality of pattern/polarization antenna arrays each have a different radiation pattern.. ... Korea Advanced Institute Of Science And Technology

07/19/18 / #20180205004

Semiconductor device, semiconductor device control method and optical switch

The present invention relates to a semiconductor device and a semiconductor device control method. According to an example of the present invention, the semiconductor device comprises a first electrode; a cell arranged on the first electrode and including a magnetic tunnel junction (mtj) having a free magnetic layer and a pinned magnetic layer with a dielectric layer in between them; and a heating element to form a thermal gradient in the first electrode.. ... Korea Advanced Institute Of Science And Technology

07/19/18 / #20180204330

Tomography apparatus and method for reconstructing tomography image thereof

A tomography apparatus includes a data acquirer configured to acquire partial images of an object including a first image and a second image having imaged a surface of a portion of the object corresponding to a first time and a second time, respectively, by performing a tomography scan on the object that is moving, and acquire first information indicating motion of the object by using the first image and the second image; and an image reconstructor configured to reconstruct a target image by using the first information.. . ... Korea Advanced Institute Of Science And Technology

07/19/18 / #20180204304

Immersive display apparatus and method for creation of peripheral view corresponding to input video

The present invention includes a) creating geometry data of a theater screen, and mapping position information of seating on the geometry data to reconstruct a virtual theater structure, b) generating a grid mesh for each seat of the theater screen without changing edges of the theater screen, and c) generating a compensation map with minimized distortion of the grid mesh for each seat, and based on this, single-sampling compensating a pixel of an image to be displayed on the theater screen by the compensation map.. . ... Korea Advanced Institute Of Science And Technology

07/19/18 / #20180201569

Heterogeneous catalyst for preparing acrylic acid, and acrylic acid preparation method using same

The present disclosure relates to a catalyst used in the preparation of acrylic acid and acrylic acid preparation method using the same, and more specifically, discloses a catalyst capable of enhancing selectivity of acrylic acid and a production yield of acrylic acid when preparing acrylic acid from allyl alcohol using a heterogeneous catalyst including bimetallic alloy catalyst particles of gold and another metal, and an acrylic acid preparation method using the same.. . ... Korea Advanced Institute Of Science And Technology

07/19/18 / #20180200695

Structured catalysts for pre-reforming hydrocarbons

Provided herein are structured catalysts, methods of making structured catalysts, and methods of using structured catalysts for pre-reforming of hydrocarbons. The structured catalysts contain a structured catalyst substrate, a first coating containing cerium-gadolinium oxide; and a second coating containing nickel and cerium-gadolinium oxide.. ... Korea Advanced Institute Of Science And Technology

07/12/18 / #20180199290

Method and device for selectively performing operation on basis of terminal operation mode

Provided are a method by which a terminal selectively performs an operation on the basis of a terminal operation mode in a wireless communication system, and a device for supporting the method. The terminal determines a terminal group to which the terminal belongs, on the basis of a battery residual quantity and a battery residual quantity threshold value, calculates channel quality on the basis of a downlink reference signal, determines a terminal operation mode on the basis of the determined terminal group, the calculated channel quality, and the channel quality threshold value, and performs an operation on the basis of the determined terminal operation mode, wherein the terminal group can be any one of an energy insufficient group (eig) and an energy sufficient group (esg).. ... Korea Advanced Institute Of Science And Technology

07/12/18 / #20180199219

Apparatus and method for diagnosing anomaly in mobile communication network

A network anomaly diagnosis device and a method thereof are provided. The network anomaly diagnosis device includes a data analyzer configured to receive a control plane message for a service provided to a terminal by a mobile network operator (mno) from the terminal and analyze the control plane message, a database configured to collect results of analyzing control plane messages for services provided to the terminal by different mnos including the mno from the data analyzer and store the result of analyzing the control plane message for each mno, and a controller configured to compare the result of analyzing the control plane message of the mno at the data analyzer with the result of analyzing the control plane message for each mno, the result being stored in the database.. ... Korea Advanced Institute Of Science And Technology

07/12/18 / #20180198206

Phase shifting device

Provided is a phase shifting device including a first balun outputting first and second differential input signals, an i/q generator outputting first to fourth phase signals based on the first and second differential input signals, a control circuit outputting a first control signal, a second control signal, a plurality of in-phase select signals, and a plurality of quadrature select signals, a current source circuit including a first source transistor outputting an in-phase current according to the first control signal and a second source outputting a quadrature current according to the second control signal, a vector sum circuit outputting first and second differential output signals based on the first to fourth phase signals according to the plurality of in-phase select signals and the plurality of quadrature select signals and including a plurality of sub-vector sum circuits, and a second balun outputting an output signal.. . ... Korea Advanced Institute Of Science And Technology

07/12/18 / #20180198156

Lithium-sulfur battery separation film having composite coating layer including polydopamine, manufacturing method therefor, and lithium-sulfur battery comprising same

The present invention relates to a separator for a lithium-sulfur battery having a composite coating layer including polydopamine, and a method for preparing the same, and in particular, to a lithium-sulfur battery suppressing lithium polysulfide elution by using a composite coating layer including polydopamine and a conductive material on one surface of a separator. In the lithium-sulfur battery according to the present invention, a porous structure of polydopamine adsorbs lithium polysulfide eluted from a positive electrode preventing elution and diffusion, and by providing additional electric conductivity, a reaction site of a positive electrode active material is provided, and therefore, battery capacity and life time properties are enhanced.. ... Korea Advanced Institute Of Science And Technology

07/12/18 / #20180198027

Electron emitter and light emitting apparatus comprising same

The present invention relates to an electron emitter, a method for manufacturing the same, and a light emitting apparatus comprising the same, and, more particularly, to an electron emitter comprising a semiconductor wafer having a nanostructure formed in at least a portion thereof. The present invention is capable of providing a large-area electron emitter, and also capable of providing a light emitting apparatus which has improved light emission efficiency and can be operated by an electron injection method.. ... Korea Advanced Institute Of Science And Technology

07/12/18 / #20180197076

Spiking neural network system for dynamic control of flexible, stable and hybrid memory storage

Provided is a spiking neural network system for dynamical control of flexible, stable, and hybrid memory storage. An information storage method may include converting input information to a temporal pattern in a form of a spike; and storing the information that is converted to the temporal pattern in a spiking neural network. ... Korea Advanced Institute Of Science And Technology

07/12/18 / #20180194621

Porous nano structure useful as energy storage material, and method of manufacturing same

The present invention relates to a porous nano structure and a method of manufacturing same. The porous nano structure exhibits excellent mechanical strength and has a wide specific surface area and is therefore useful as an absorbent, a vibration absorber, a sound absorber, a shock absorber, a catalyst support, a membrane for separation, etc., and can be applied to various technical fields such as electronics, composite materials, sensors, catalysts, energy storage materials, and ultra-high capacity storage batteries. ... Korea Advanced Institute Of Science And Technology

07/05/18 / #20180190920

Quantum rod, quantum rod film and quantum rod display device including the same

. . Embodiments relate to a quantum rod, a quantum rod film, a quantum rod display device with a quantum rod. The quantum rod includes a first core, a second core separated from the first core, and a first shell surrounding the first and second cores.. ... Korea Advanced Institute Of Science And Technology

07/05/18 / #20180190394

Nuclear fuel assembly for a thermal neutron reactor

The present invention relates to a nuclear reactor, more precisely a passive safety device applicable to a thermal neutron reactor and a nuclear fuel assembly equipped with the same. The nuclear fuel assembly for a thermal neutron reactor of the present invention includes multiple fuel rods; multiple guide thimbles arranged between the fuel rods; and a passive safety device including neutron absorber parts which are inserted in one or more guide thimbles.. ... Korea Advanced Institute Of Science And Technology

07/05/18 / #20180187734

Apparatus for damping vibration

A vibration damping apparatus according to an exemplary embodiment of the present invention includes a main body extended from one side of a vibrating structure with a predetermined length from one end that contacts the structure to the other end, wherein at least a part of the main body is bent with a gradually decreasing thickness.. . ... Korea Advanced Institute Of Science And Technology

06/28/18 / #20180184432

Device and method for transmitting and receiving control information in wireless communication system

The present disclosure relates to a pre-5th-generation (5g) or 5g communication system to be provided for supporting higher data rates beyond 4th-generation (4g) communication system such as long term evolution (lte). A base station operation method in a wireless communication system, according to an embodiment of the present invention, comprises the steps of: determining, on the basis of channel information received from each of a plurality of terminals, power to be used by each of the plurality of terminals with respect to resources allocated to be overlaid and used by the plurality of terminals; and transmitting resource information, which comprises information about the determined power, to each of the plurality of terminals.. ... Korea Advanced Institute Of Science And Technology

06/28/18 / #20180183441

Frequency divider

A frequency divider is provided. Some embodiments of the present disclosure provide a cmos logic-based high speed differential divider that is capable of acquiring a desired output swing voltage even at low supply voltages and is robust to clock skew and clock feedthrough, featuring low power consumption.. ... Korea Advanced Institute Of Science And Technology

06/28/18 / #20180182135

Tomography imaging apparatus and method of reconstructing tomography image

Provided are a tomography imaging apparatus and a method of reconstructing a tomography image which may more accurately measure a motion of an object to be tomography-imaged. In detail, the tomography imaging apparatus and the method of reconstructing a tomography image may obtain information indicating a motion of a moving object according to a time, may perform motion correction based on the obtained motion information, and may reconstruct a target image with reduced motion artifacts.. ... Korea Advanced Institute Of Science And Technology

06/28/18 / #20180181409

Method and apparauts for accelerating loading of mobile application content

The present disclosure in some embodiments provides a method and an apparatus for accelerated loading of mobile application content which are capable of automatically discover opportunities for application acceleration to remarkably reduce a response time of a mobile application.. . ... Korea Advanced Institute Of Science And Technology

06/28/18 / #20180178910

Aerial vehicle capable of vertical take-off and landing, vertical and horizontal flight and on-air energy generation

An aerial vehicle includes: a main body; two main wings arranged to the main body; two main wing tilting control units coupled to the main wings to control the main wings to tilt independently; two main propulsion units arranged to the main wings; tail wings arranged to a rear side of the main body; a rudder arranged to the tail wing; a rudder tilting control unit to control the rudder to tilt; a tail propulsion unit arranged to the rear side of the main body; a tail tilting control unit to control the tail propulsion unit to tilt; a power unit to provide power to the main and tail propulsion units; and a position control unit to control the main wing tilting control units, the main propulsion units, the rudder tilting control unit, the tail propulsion unit, the tail tilting control unit to adjust position of the aerial vehicle.. . ... Korea Advanced Institute Of Science And Technology

06/28/18 / #20180178899

Aircraft capable of vertical take-off and landing, vertical and horizontal flight and on-air energy generation

An aircraft includes: a fuselage having opposing leading and trailing extremities along a vertical axis; a fixed wing airframe having opposed at least two main wings connected to the fuselage and extending on a horizontal axis; at least two electric coplanar main wing motors respectively attached to the main wings; a duct frame attach to the trailing extremity of the fuselage; at least two horizontal stabilizers connected to the duct frame and extending on the horizontal axis; an electric tail motor fitted an inner side of the duct frame; multiple battery packs installed inside the fuselage and suitable for supply power to the main wing motors and the tail motor; and support beams suitable for connecting the duct frame to the fuselage.. . ... Korea Advanced Institute Of Science And Technology

06/21/18 / #20180176202

Device for encrypting and/or decrypting packets and method for routing packets in memory network including the same

A device transmits or receives a packet in a memory network including one or more processors and/or one or more memory devices. The device includes a key storage unit configured to store a one-time password (otp) key that is shared with a target node, an encryption unit configured to encrypt a transmission packet with the otp key stored in the key storage unit and to transmit the encrypted transmission packet to the target node, and a decryption unit configured to decrypt a receiving packet from the target node with the otp key stored in the key storage unit. ... Korea Advanced Institute Of Science And Technology

06/21/18 / #20180175843

Asynchronous clock signal generator and semiconductor device for correcting multi-phase signals using asynchronous clock signal

A semiconductor device includes a delay circuit configured to adjust a delay amount of multi-phase input signals to output multi-phase signals; a clock generator configured to output a clock signal that is not synchronized with an input signal which corresponds to one of the multi-phase signals; a detector circuit configured to generate a pulse signal corresponding to a phase difference between a reference signal corresponding to a predetermined one of the multi-phase signals and a comparison signal corresponding to a selected one of the multi-phase signals and to sample the pulse signal according to the clock signal; and a controller circuit configured to output a delay control signal for controlling a delay amount of the multi-phase input signals or controlling a delay amount of the comparison signal according to a result of calculating an output of the detector circuit and a reference value corresponding to the phase difference.. . ... Korea Advanced Institute Of Science And Technology

06/21/18 / #20180175796

Differential colpitts voltage-controlled oscillator

A differential colpitts voltage-controlled oscillator according to example embodiments includes a feedback circuit constituting a colpitts oscillator structure, a negative resistance circuit including a first negative resistance transistor and a second negative resistance transistor cross-coupled to each other and connected to the feedback circuit, a resonance circuit including a first inductor and a variable capacitor connected to both ends of the first inductor to generate differential output signals base on outputs of the feedback circuit, and a phase noise reduction circuit coupled to the feedback circuit to remove phase noise.. . ... Korea Advanced Institute Of Science And Technology

06/21/18 / #20180175506

Antenna device

An antenna device includes a horn antenna including a waveguide and a horn connected to the waveguide, the horn having a shape widening toward an opening direction, a beamforming network including a plurality of input ports and a plurality of output ports and changing a phase of output port signals output from the output ports based on input port signals applied to the input ports, and an antenna array disposed in the horn antenna and connected to the output ports of the beamforming network.. . ... Korea Advanced Institute Of Science And Technology

06/21/18 / #20180173654

Memory device performing near-data processing and system including the same

A memory device includes a memory cell region including a plurality of memory cells; a memory cell controller configured to control read and write operation for the memory cell region; one or more ndp engines configured to perform a near data processing (ndp) operation for the memory cell region; a command buffer configured to store an ndp command transmitted from a host; and an engine scheduler configured to schedule the ndp operation for the one or more ndp engines according to the ndp command.. . ... Korea Advanced Institute Of Science And Technology

06/21/18 / #20180173239

Method and system for updating occupancy map based on super ray

Disclosed herein are a method and system for updating an occupancy map based on a super ray. The method of updating an occupancy map based on grids and octrees includes the step of generating a mapping line based on point clouds obtained from a sensor, generating a super ray by identifying a cell belonging to a plurality of cells forming the occupancy map and traversing an identical cell based on the generated mapping line, and updating the occupancy map by updating a cell through which the super ray corresponding to some of rays related to the plurality of cells forming the occupancy map passes.. ... Korea Advanced Institute Of Science And Technology

06/21/18 / #20180170980

Novel polypeptide capable of binding to vascular endothelial growth factor, and use thereof

The present disclosure relates to a novel polypeptide capable of binding specifically to vascular endothelial growth factor, a polynucleotide encoding the polypeptide, a vector comprising the polynucleotide, a recombinant microorganism including the expression vector, a method of producing the polypeptide using the recombinant microorganism, a composition for treating or preventing cancer, which comprises the polypeptide, and a method for preventing or treating cancer, which comprises administering the composition for treating or preventing cancer, which comprises the polypeptide. The disclosed polypeptide is capable of binding to vascular endothelial growth factor to inhibit the activity thereof, and thus can be widely used as an agent for treating and preventing various diseases associated with vascular endothelial growth factor (vegf).. ... Korea Advanced Institute Of Science And Technology

06/14/18 / #20180166685

Porous silicon-silicon oxide-carbon composite, and method of preparing the same

The present invention relates to a porous silicon-silicon oxide-carbon composite comprising a silicon oxide-carbon structure and silicon particles, wherein the silicon oxide-carbon structure comprises a plurality of micropores, and the silicon particles are uniformly distributed in the silicon oxide-carbon structure. The porous silicon-silicon oxide-carbon composite of the present invention shows decreased volume expansion due to the intercalation of lithium ions and improved electric conductivity, and has a porous structure. ... Korea Advanced Institute Of Science And Technology

06/14/18 / #20180165860

Motion edit method and apparatus for articulated object

The present disclosure relates to a motion edit method for editing the motion of an articulated object using a computing device with a touch screen, including a) when any one of a joint path and a body line of an articulated object is selected by a user, setting a position constraint of higher level joint according to the user's sketching input and joint hierarchy, and b) generating motion of the articulated object for which the constraint is set.. . ... Korea Advanced Institute Of Science And Technology

06/14/18 / #20180165252

Method for estimating suitability as multi-screen projecting type theatre system

The present disclosure relates to a method and a device for estimating suitability as a multi-screen projecting type theatre and the method for estimating the suitability as the multi-screen projecting type theatre includes: creating a plurality of image representation models (m) respectively corresponding to a plurality of candidate theatres; calculating a total image representation model ({circumflex over (m)}total) corresponding to all of the plurality of candidate theatres; and calculating a deviation between the total image representation model ({circumflex over (m)}total) and each of the plurality of image representation models (m) of the target theatre and estimating theatre suitability of the target theatre based on the deviation when one target theatre is selected among the plurality of candidate theatres.. . ... Korea Advanced Institute Of Science And Technology

06/14/18 / #20180164320

Method for diagnosis of colorectal cancer using mass spectrometry of n-glycans

The present invention relates to a method of diagnosing colorectal cancer by detection of glycan changes, and more particularly to a method of diagnosing colorectal cancer using mass spectrometry, in which, when specific glycan structures increase, decrease or significantly change due to a change in n-linked glycosylation of a colorectal cancer patient-derived glycoprotein, as detected by mass spectrometry, the glycan structures are selected as diagnostic markers.. . ... Korea Advanced Institute Of Science And Technology

06/14/18 / #20180161254

Hybrid-type multi-lamellar nanostructure of epidermal growth factor and liposome and method for manufacturing same

The present invention relates to a method for improving drug metabolism function of human stem cell-derived hepatocytes. More precisely, the human stem cell-derived hepatocytes are similar in cell morphology to human hepatocytes but display reduced expressions of drug or alcohol metabolism associated enzymes and antioxidant enzymes. The present invention relates to a hybrid-type multi-lamellar nanostructure of an epidermal growth factor and a liposome and a method for manufacturing same. The new type of hybrid-type multi-lamellar nanostructure not only has a high epidermal growth factor encapsulating efficiency, but also can be manufactured through a simple process, such that the same can be easily delivered into a living body or a cell while maintaining a high physiological activity of the epidermal growth factor.. ... Korea Advanced Institute Of Science And Technology

06/07/18 / #20180157827

Memory alignment randomization method for mitigation of heap exploit

A memory alignment randomization method of a memory heap exploit is provided, memory alignment of objects inside a heap area is randomly performed to mitigate the exploits of the vulnerability of the software memory heap area the heap exploit is powerfully mitigated by aligning randomly obtained memory addresses instead of aligning memory addresses at multiples of 4 or 8 when the memory alignment for the objects inside the heap area.. . ... Korea Advanced Institute Of Science And Technology

06/07/18 / #20180155730

Recombinant microorganism including genetic modification that increases activity of haloalkane dehalogenase and genetic modification that increases expression of at least one of rclr, rcla, rclb, and rclc, and method of reducing concentration of fluorinated methane in sample

Provided are a recombinant microorganism including a first genetic modification that increases activity of haloalkane dehalogenase (had) and a second genetic modification that increases expression of at least one of rcir, rcia, rcib, and rcic; a composition for reducing a concentration of fluorinated methane in a sample, wherein the composition includes the recombinant microorganism; and a method of reducing a concentration of fluorinated methane in a sample.. . ... Korea Advanced Institute Of Science And Technology

05/31/18 / #20180152379

Communication method and apparatus providing mobility of object

A communication method and apparatus to provide mobility of an object is disclosed. The communication method to support mobility of an object moving on networks includes forwarding a packet to be transmitted to the object to a network to which the object moves based on an identifier and a locator of the object.. ... Korea Advanced Institute Of Science And Technology

05/31/18 / #20180151261

Sintered nuclear fuel pellet and manufacturing method thereof

The present invention relates to a sintered nuclear fuel pellet comprising a burnable absorber, more precisely a sintered nuclear fuel pellet wherein a burnable absorber is inserted. The present invention can optimize the regulation of excess reactivity [hojin1] by optimizing the self-shielding and the burning speed of the burnable absorber using a consolidated body of the burnable absorber.. ... Korea Advanced Institute Of Science And Technology

05/31/18 / #20180148696

Microorganism including genetic modification that increases activity of cellulose synthase and method for producing cellulose by using the same

Provided are a recombinant microorganism including a genetic modification that increases activity of a cellulose synthase, a gene that encodes the cellulose synthase having increased activity, and a method of producing cellulose by using the recombinant microorganism.. . ... Korea Advanced Institute Of Science And Technology

05/24/18 / #20180144049

Knowledge represention expansion method and apparatus

A knowledge representation expansion apparatus includes: a predicate-argument structure analyzing unit for extracting a predicate and at least one argument from a text using a meaning representation language; an ontology unit for representing knowledge using a knowledge representation language, which is a structured format understandable by a computer, and for extracting a second predicate corresponding to a first predicate, which is extracted from the predicate-argument structure analyzing unit; and a knowledge representation unit for representing knowledge extracted from the text using the first predicate, when the similarity of the first predicate and the second predicate is equal to or less than a threshold value.. . ... Korea Advanced Institute Of Science And Technology

05/24/18 / #20180143588

Hologram generating method and hologram generating apparatus

A hologram generating apparatus is provided. The apparatus includes a hologram signal generating unit configured to, based on light projected on at least some points corresponding to an object, generate a hologram signal corresponding to the at least some points on at least one two-dimensional plane, a processor configured to calculate a sparsity corresponding to the two-dimensional plane based on the hologram signal, and to calculate a fringe pattern based on at least some of the hologram signal, and a pattern writing unit configured to record the fringe pattern on a computer-generated holography (cgh) plane, wherein the processor is further configured to repeatedly calculate a fringe pattern until a number of dominant signals of the calculated fringe pattern coincides with a predetermined threshold value determined based on the sparsity.. ... Korea Advanced Institute Of Science And Technology

05/24/18 / #20180141015

Pickering emulsion and method of preparing the same

Provided are a pickering emulsion including: 0.01-20 wt % of particles having an average particle diameter of 10 nm-100 μm, and 0.01-20 wt % of a non-ionic water-soluble polymer, wherein the particles are positioned on an oil droplet surface, and a method of preparing the same.. . ... Korea Advanced Institute Of Science And Technology

05/17/18 / #20180139873

Electromagnetic wave absorbing structures including metal-coated fabric layer and methods of manufacturing the same

An electromagnetic wave absorber includes a metal-coated fabric layer including a metal-coated fiber, and a supporting layer combined with the metal-coated fabric layer. The electromagnetic wave absorber may be easily manufactured and easily adjusted to change an absorbing ability, and may have superior mechanical properties.. ... Korea Advanced Institute Of Science And Technology

05/17/18 / #20180139784

Method and apparatus for processing random access in wireless communication system

The present disclosure relates to a 5g communication system or a pre-5g communication system for supporting higher data transmission rate compared to beyond 4g communication system such as lte. A terminal, according to various embodiments of the present disclosure, comprises: a reception unit for receiving pilot signals; a processor for measuring reception strength of the pilot signals, determining beam-based random access participation on the basis of the measured reception strength, and controlling for an attempt for a beam-based random access if a random access is beam-based random access participation and an attempt for normal random access if not; and a transmission unit for transmitting a random access signal on the basis of the random access attempt.. ... Korea Advanced Institute Of Science And Technology

05/10/18 / #20180131084

Printed-circuit board having antennas and electromagnetic-tunnel-embedded architecture and manufacturing method thereof

Disclosed is a printed circuit board (pcb) structure, in which an electromagnetic signal transmitting antenna and/or an electromagnetic signal receiving antenna, and an electromagnetic signal transferring tunnel (em-tunnel) are embedded, the pcb structure including a pcb, an em-tunnel that includes a dielectric core and a metal clad that surrounds the dielectric core and that is embedded in the pcb to be parallel to the pcb, and at least one transmitting antenna and/or at least one receiving antenna that are embedded in the pcb, wherein the transmitting antenna and/or the receiving antenna are arranged at an input port and an output port of the em-tunnel embedded in the pcb to transmit and receive electromagnetic signals to and from the interior of the em-tunnel.. . ... Korea Advanced Institute Of Science And Technology

05/10/18 / #20180131014

Composite material separation plate for fuel cell and method for manufacturing same

The present invention discloses a composite material separation plate for a fuel cell and a method for manufacturing the same. The disclosed composite material separation plate for a fuel cell according to the present invention is a composite material separation plate for a fuel cell including carbon materials covered with a polymer matrix, and is characterized in that the carbon materials are exposed to the surface of the composite material separation plate. ... Korea Advanced Institute Of Science And Technology

05/10/18 / #20180129930

Learning method based on deep learning model having non-consecutive stochastic neuron and knowledge transfer, and system thereof

Disclosed is a learning method based on a stochastic-based deep learning model having a non-consecutive stochastic neural. The learning method includes configuring a non-consecutive stochastic feedforward neural network (ncsfnn) having non-consecutive stochastic neuron as a leaning model including a plurality of hidden layers; and allowing the ncsfnn to learn.. ... Korea Advanced Institute Of Science And Technology

05/03/18 / #20180123440

Current mode hysteretic buck converter with auto-selectable frequency locking circuit

A current mode hysteretic buck converter employing an auto-selectable frequency locking circuit is disclosed. The auto-selectable frequency locking type buck converter include a current mode hysteretic buck converter for converting an input dc voltage into a lower dc voltage, and a frequency locking unit for locking a switching frequency of the current mode hysteretic buck converter wherein the switching frequency is locked through adjusting a locking value of the switching frequency to be a predetermined value according to a size of a load. ... Korea Advanced Institute Of Science And Technology

05/03/18 / #20180121715

Method and system for providing feedback ui service of face recognition-based application

The present invention includes the steps of: displaying an unlocking interface via a user interrupt; receiving an unlocking pattern inputted via the unlocking interface; detecting the received unlocking pattern and executing a mode corresponding to the detected unlocking pattern to thereby measure the status degree of an object corresponding to the detected unlocking pattern; and calling a lookup table in which a range of adequate status degrees for each type is measured and matched according to a pre-set and classified object type to thereby determine the status degree of the measured object, and feeding back the result of the determination via the unlocking interface.. . ... Korea Advanced Institute Of Science And Technology

05/03/18 / #20180121376

Memory device supporting rank-level parallelism and memory system including the same

A memory system may include: a memory controller; a plurality of ranks; and a rank shared bus configured to couple the memory controller and the plurality of ranks. Each of the plurality of ranks may include: a plurality of banks; a rank bus coupled to the plurality of banks and configured to selectively transmit data to the rank shared bus or an intermediate buffer and selectively receive data from the rank shared bus or the intermediate buffer; and an intermediate buffer configured to be selectively coupled to the rank bus or the rank shared bus, according to a first signal from the memory controller.. ... Korea Advanced Institute Of Science And Technology

04/19/18 / #20180108709

Organic light emitting diode device integrated with color filter electrode and method of manufacturing the same

Provided are an organic light emitting diode (oled) device integrated with a color filter electrode, which is formed by inserting an intermediate layer having conductivity between a plurality of metal films, and a method of manufacturing the same. The oled device includes: a first electrode layer configured to function as an anode electrode to provide holes; an organic emission layer disposed above the first electrode layer and configured to cause a reaction between the holes and electrons to generate light; and a color filter electrode layer disposed above the first electrode layer and the organic emission layer and configured to selectively transmit a color in each region, function as a cathode electrode due to conductivity thereof, and provide the electrons to the organic emission layer.. ... Korea Advanced Institute Of Science And Technology

04/19/18 / #20180107157

Multifunctional optical element and method using multiple light scattering

Disclosed herein are a multifunctional optical element and method using multiple light scattering. An optical control method using multiple light scattering may include the steps of splitting coherent light into a signal beam and a reference beam, controlling the wavefront of the signal beam, forming an interference pattern by making the signal beam having the controlled wavefront and the reference beam incident on photorefractive materials, recording the interference pattern on the photorefractive materials, reconstructing the signal beam having the controlled wavefront by the interference pattern by radiating the reference beam to the photorefractive materials on which the interference pattern has been recorded again, and controlling the properties of light passing through complex media based on multiple light scattering generated by the complex media as the reconstructed signal beam is incident on the complex media.. ... Korea Advanced Institute Of Science And Technology

04/12/18 / #20180102847

Photonic beam forming network chip based on silicon semiconductor

Disclosed is a photonic beam forming network chip using silicon semiconductor based monolithic integration for fabrication and using true time delay for signal processing of a phased array antenna, including at least one power splitter a plurality of mach-zehnder modulators, a plurality of true time delay devices, a photonic detector, and a photonic waveguide configured to respectively connect the at least one power splitter, the plurality of mach-zehnder modulators, the plurality of true time delay devices, and the photonic detector.. . ... Korea Advanced Institute Of Science And Technology

04/12/18 / #20180102477

Method for increasing driving current of junctionless transistor

Provided is a method for increasing a driving current of a junctionless transistor that includes: a substrate; a source region and a drain region which are formed on the substrate and are doped with the same type of dopant; a nanowire channel region which connects the source region and the drain source and is doped with the same type dopant as that of the source region and the drain region; a gate insulation layer which is formed to surround the nanowire channel region; and a gate electrode which is formed on the gate insulation layer and is formed to surround the nanowire channel region. An amount of current flowing through the nanowire channel region is increased by joule heat generated by applying a voltage to the source region and the drain region.. ... Korea Advanced Institute Of Science And Technology

04/12/18 / #20180101134

Optically trapped atom transfer tweezer through hologram and method using the same

An optically trapped atom transfer tweezer may be provided that includes: an optical modulator which modulates incident light and generates a first hologram; a first lens which images the first hologram on an intermediate image plane and generates a first holographic image having any potential shape; a second lens which re-images the first holographic image on an entrance pupil of a third lens; the third lens which re-images a second hologram generated by the re-imaging of the second lens on a plane where an optically trapped atom array exists; a photographing device which captures optically trapped cold atoms from a second holographic image generated on the plane where an optically trapped atom array exists; and a controller which controls the optical modulator to adjust the second holographic image on the basis of the optically trapped atom image captured by the photographing device. As a result of this, the optically trapped atom array can be easily transferred to any position.. ... Korea Advanced Institute Of Science And Technology

04/12/18 / #20180100035

Graft copolymer based on carbazole capable of controlling self-assembled structure and method of synthesizing the same

A carbazole-based graft copolymer capable of controlling a self-assembled structure and a method of synthesizing the same are provided. Specifically, the copolymer is capable of controlling a self-assembled structure which can control the morphology of a polymer structure and the size of pores by controlling the molecular weights of polylactic acid (pla) functioning as a coil and of a carbazole copolymer to prepare a poly(carbazole)-coil graft copolymer of formula 1 below and the method of synthesizing the same is provided. ... Korea Advanced Institute Of Science And Technology

03/29/18 / #20180091171

Memory controller, semiconductor memory system and operating method thereof

. . An operation method of a memory controller may include performing a first decoding operation to a message of an internal region included in a codeword received from a semiconductor memory device by using an internal parity, wherein the message and the internal parity are included in the internal region in a matrix form; and performing a second decoding operation to the internal region, to which the first decoding operation is performed, by using an outer parity of an outer region.. . ... Korea Advanced Institute Of Science And Technology

03/29/18 / #20180087894

Method and system for simultaneously measuring surface normal vector and surface reflectance function in microscale

Disclosed is a system for simultaneously measuring a surface normal vector and a surface reflection function in microscale. The system includes a light dome having a hemispherical-shaped structure and including leds to radiate light to an object placed therein; a macro lens installed camera arranged over the light dome to photograph the object through a hole formed at a center of the light dome under an environment in which a light is radiated from the light dome; an xyz micro-translation stage arranged under the light dome and configured to move in xyz-directions to adjust a focal distance between the macro lens installed camera and the object, and a measurement unit configured to control the light dome and the macro lens installed camera to obtain a microscale image, and configured to simultaneously measure a surface normal vector and a surface reflection function of the object based on the microscale image.. ... Korea Advanced Institute Of Science And Technology

03/29/18 / #20180086869

Method of forming fine patterns using block copolymer

Provided is a method of forming fine patterns capable of minimizing ler and lwr to form high quality nanopatterns, by using a block copolymer having excellent etching selectivity. Provided is a block copolymer comprising a first block having a repeating unit represented by the following chemical formula 1, and a second block having a repeating unit represented by the following chemical formula 2:. ... Korea Advanced Institute Of Science And Technology

03/29/18 / #20180086866

Diblock copolymer containing fluorine group

Provided is a diblock copolymer comprising a first block having a repeating unit represented by the following chemical formula 1, and a second block having a repeating unit represented by the following chemical formula 2:. . ... Korea Advanced Institute Of Science And Technology

03/29/18 / #20180085556

Direction-controllable catheter using drug injection channel

The present invention relates to a direction-controllable drug injection catheter. According to the present invention, provided is the catheter extending along a central axis “a” including a drug injection part in which a drug injection channel has been formed; a channel opening and closing means which opens and closes the drug injection channel; and a steering structure which is rotationally asymmetric with respect to the central axis “a” and varies according to a pressure change of the drug injection channel for the purpose of steering.. ... Korea Advanced Institute Of Science And Technology

03/22/18 / #20180084495

Apparatus and method for controlling uplink data retransmission

A 5th generation (5g) or pre-5g communication system for supporting a higher data rate than a 4g communication system such as long term evolution (lte) is provided. A method of an evolved node b (enb) can include detecting a collision caused by first data received from a first terminal in a time resource for contention-based uplink data transmission and second data received from a second terminal in the time resource, determining a first delay value in first data retransmission using a dedicated scheduling scheme, and determining a second delay value in the first data retransmission using a contention-based uplink data transmission scheme, determining a scheme for retransmitting the first data based on the first delay value and the second delay value, and transmitting information indicating the determined scheme to the first terminal.. ... Korea Advanced Institute Of Science And Technology

03/22/18 / #20180084266

Method for encoding/decoding block information using quad tree, and device for using same

Disclosed decoding method of the intra prediction mode comprises the steps of: determining whether an intra prediction mode of a present prediction unit is the same as a first candidate intra prediction mode or as a second candidate intra prediction mode on the basis of 1-bit information; and determining, among said first candidate intra prediction mode and said second candidate intra prediction mode, which candidate intra prediction mode is the same as the intra prediction mode of said present prediction unit on the basis of additional 1-bit information, if the intra prediction mode of the present prediction unit is the same as at least either the first candidate intra prediction mode or the second candidate intra prediction mode, and decoding the intra prediction mode of the present prediction unit.. . ... Korea Advanced Institute Of Science And Technology

03/22/18 / #20180081448

Augmented-reality-based interactive authoring-service-providing system

The present invention includes: a wearable device including a head mounted display (hmd); an augmented reality service providing terminal paired with the wearable device and configured to reproduce content corresponding to a scenario-based preset flow via a gui interface, overlay corresponding objects in a three-dimensional (3d) space being viewed from the wearable device when an interrupt occurs in an object formed in the content to thereby generate an augmented reality image, convert a state of each of the overlaid objects according to a user's gesture, and convert location regions of the objects based on motion information sensed by a motion sensor; and a pointing device including a magnetic sensor and configured to select or activate an object output from the augmented reality service providing terminal.. . ... Korea Advanced Institute Of Science And Technology

03/22/18 / #20180078966

Method for coating thin film in rolling manner and apparatus for coating thin film by using the same

A method for coating a thin film in a rolling manner and a thin film coating apparatus are provided. The method includes: floating a thin film material on a liquefied material; rolling a cylindrical substrate after contacting the cylindrical substrate with the thin film material; and coating the thin film material on a surface of the cylindrical substrate by using an attraction force between the surface of the cylindrical substrate and the thin film material.. ... Korea Advanced Institute Of Science And Technology

03/08/18 / #20180070103

Method and an apparatus for processing a video signal

An apparatus for processing a video signal and method thereof are disclosed. The present invention includes receiving prediction mode information, interpolating information and a residual of a current block, reconstructing an interpolating pixel using the interpolating information and a neighbor block, and reconstructing the current block using the interpolating pixel, the prediction mode information and the residual, wherein the interpolating information is generated based on a location of the current block. ... Korea Advanced Institute Of Science And Technology

03/08/18 / #20180067880

Controller and operating method thereof

A controller may include a first encoder suitable for generating a first polar parity by performing a first polar encoding operation to respective first sections of an original message having a plurality of symbols, an interleaver suitable for generating an interleaved message by interleaving the original message according to first reliabilities, which are predetermined depending on locations of the respective symbols in the respective first sections in the original message, and second reliabilities, which are predetermined depending on locations of the respective symbols in the interleaved message, a second encoder suitable for generating a second polar parity by performing a second polar encoding operation to respective second sections included in the interleaved message and a memory interface suitable for storing the original message, the first polar parity and the second polar parity into a memory.. . ... Korea Advanced Institute Of Science And Technology

03/08/18 / #20180067802

Controller and operating method thereof

An operation method of a controller may include encoding a first data at a first code rate such that the encoded first data is decoded by a first parity check matrix included in a variable code-rate parity check matrix and encoding a second data at a second code-rate such that the encoded second data is decoded by a second parity check matrix included in a variable code-rate parity check matrix.. . ... Korea Advanced Institute Of Science And Technology

03/08/18 / #20180066110

Novel polyamideimide having low thermal expansion coefficient

A polyamideimide includes an asymmetric dicarboxylic acid derivative wherein, from among a cyclic group a and a cyclic group b, two substituents groups r and r′ are bonded only to the cyclic group a on one side. A polymer produced by means of the present invention can have adequate solubility with respect to organic solvents, high thermal stability, a high glass transition temperature, high transparency and a low thermal expansion coefficient, and is able not only to satisfy requirements for core substrate materials of flexible displays but also to be used as a material for various soft electronic data devices.. ... Korea Advanced Institute Of Science And Technology

03/08/18 / #20180066011

Method for preparing site-specifically modified protein based on novel carbon-carbon bond formation

A method for producing a site-specifically modified protein based on new carbon-carbon bond formation is disclosed, including the following three steps (marking, activation, and coupling steps): (a) marking of the modification site by incorporating a specific amino acid into a selected position of a target protein; (b) activation of the marked site; and (c) coupling of various post-translational modification (ptm) moieties or other chemical groups onto the activated site to obtain a site-specifically modified protein. The method for producing a site-specifically modified protein can incorporate desired diverse chemical groups including post-translational modification (ptm) moieties into a designated site in a target protein through a new carbon-carbon bond. ... Korea Advanced Institute Of Science And Technology

03/08/18 / #20180064076

Transgenic mouse capable of spatial and temporal control of expression and site-specific modification of target protein, production method and uses thereof

The present invention relates to a mouse (mus musculus) in which expression and site-specific modification of a target protein is temporally and spatially controlled, and a method for producing the same and the use thereof, and more particularly to a transgenic mouse in which expression of a target protein having a modification attached to a specific position is temporally and spatially controlled as a result of incorporation of an unnatural amino acid. In the mouse according to the present invention, in which site-specific modification of a target protein is temporally and spatially controllable, expression of the target protein having the site-specific modification attached thereto is controllable depending on the timing and/or position of introduction of an unnatural amino acid. ... Korea Advanced Institute Of Science And Technology

03/01/18 / #20180062721

Coordinated transmission method based on beam division multiple access and apparatus performing the same

A coordinated transmission method based on beam division multiple access and an apparatus performing the same are disclosed. The coordinated transmission method in a beam division multiple access environment, which divides a service target region into a plurality of beam sectors through a plurality of antenna arrays having at least one of a pattern characteristic and a polarization characteristic, includes receiving a coordination request from a user terminal located in the service target region and performing any one among a macro diversity operation, a coordinated silence operation, and a coordinated beamforming operation for the user terminal based on an interference level included in the coordination request.. ... Korea Advanced Institute Of Science And Technology

03/01/18 / #20180062668

Controller, semiconductor memory system and operating method thereof

An operation method of a controller includes: generating a predetermined number of sub-messages by dividing an original message; generating a first parity added message by adding a cyclic redundancy check (crc) parity message of a predetermined length to each of the sub-messages; and generating an encoded message by performing a polar encoding operation to the first parity added message.. . ... Korea Advanced Institute Of Science And Technology

03/01/18 / #20180059485

Display device and manufacturing method thereof

A display device includes: a display substrate; a light amount control layer on the display substrate; a first polarizer on the light amount control layer; and a color conversion layer on the first polarizer. The color conversion layer includes a phosphor, the phosphor includes a quantum dot, the quantum dot including: a core; a first shell surrounding the core; and a second shell surrounding the first shell, and the quantum dot has a diameter ranging from about 2 nm to about 32 nm.. ... Korea Advanced Institute Of Science And Technology

03/01/18 / #20180056794

Three-phase wireless power transfer system and three-phase wireless chargeable unmanned aerial vehicle system based on the same

Disclosed are a three-phase wireless power transfer (wpt) system and three-phase wireless rechargeable unmanned aerial vehicle (uav) system based on the same. Three power receiving coils, including resonators, are installed at the ends of three landing leg of the uav. ... Korea Advanced Institute Of Science And Technology

02/22/18 / #20180054716

Method and apparatus for index-coded multicast transmission in a wireless communication system

. . A method for transmitting downlink data in a multicast scheme by a base station in a wireless communication system is disclosed. The method includes receiving a first request signal requesting first data from a first user equipment (ue), receiving a second request signal requesting second data from a second ue, generating a transmission message by applying an exclusive or (xor) operation to the first data and the second data, and transmitting the transmission message to the first ue and the second ue in the multicast scheme.. ... Korea Advanced Institute Of Science And Technology

02/22/18 / #20180053304

Method and apparatus for detecting relative positions of cameras based on skeleton data

Disclosed herein are a method and apparatus for detecting a relative camera position based on a skeleton data, wherein the method may include receiving skeleton information obtained using a plurality of depth cameras; detecting a position relationship between corresponding joints from the received skeleton information; and obtaining a relative position and a rotation information between the depth cameras in such a way to use a position relationship between the detected joints.. . ... Korea Advanced Institute Of Science And Technology

02/22/18 / #20180051291

Mutant microorganism producing l-aspartic acid derivatives, and method for producing l-aspartic acid derivatives using same

The present invention relates to a mutant organism having the ability to produce aspartic acid derivatives, wherein a gene encoding the glyoxylate shunt regulator and a gene encoding fumarase are deleted and a gene encoding aspartase is overexpressed compared to that in a wild-type strain, and to a method for producing l-aspartic acid derivatives using the same. According to the present invention, various aspartic acid derivatives, including l-alanine, 3-aminopropionic acid, threonine, 1,3-diaminopropane, lysine, methionine, 3-hydroxypropionic acid, cadaverine, 5-aminovaleric acid, etc., can be produced by biological methods.. ... Korea Advanced Institute Of Science And Technology

02/15/18 / #20180048329

Memory controller, semiconductor memory system and operating method thereof

An operation method of a memory controller includes: reading a second data from memory cells when a hard decision error correction decoding operation based on a first data read from the memory cells fails; calculating a llr of each bit-data included in the first data by using the first and second data; and performing a soft decision error correction decoding operation based on the llr, wherein the memory cells include a first and second memory cell, wherein the first data includes first-bit-data read from the first and second memory cell, wherein the second data includes second-bit-data read from the first and second memory cell, wherein the llr is a llr of the first-bit-data read from the first memory cell calculated based on the first bit and a second bit read from the first memory cell and a first bit and a second bit read from the second memory cell.. . ... Korea Advanced Institute Of Science And Technology

02/15/18 / #20180047984

Carbonaceous structure and method for preparing the same, electrode material and catalyst including the carbonaceous structure, and energy storage device including the electrode material

The present disclosure relates to a carbonaceous structure and a method for preparing the same, an electrode material and a catalyst including the carbonaceous structure, and an energy storage device including the electrode material.. . ... Korea Advanced Institute Of Science And Technology

02/15/18 / #20180047213

Method and apparatus for providing augmented reality-based dynamic service

The present invention includes the steps of: collecting data associated with a preset authoring item based on a predetermined viewing point within content to be guided, when an authoring mode; rendering authoring item-specific data collected based on a preset augmented reality content service policy, matching the rendered data to metadata corresponding to the viewing point, and storing the matched data; checking the metadata of the viewing point; and as a result of the checking, matching the metadata to the content displayed in the viewing region and augmenting the content.. . ... Korea Advanced Institute Of Science And Technology

02/15/18 / #20180045568

Hyperspectral imaging spectroscopy method using kaleidoscope and system therefor

A method and a system for acquiring a hyperspectral image by using a kaleidoscope are provided. The method includes copying an input image to generate a specific number of images, generating coded-aperture passed images corresponding to the images by using at least one coded aperture, and acquiring a hyperspectral image for the input image based on the coded-aperture passed images.. ... Korea Advanced Institute Of Science And Technology

02/15/18 / #20180044666

Genome-originated artificial ncrna expression library and method of preparing the same

The present invention relates to an artificial ncrna expression library and a method for preparing the same, and particularly the present invention relates to a library securing the stability of the artificial ncrna by cloning random fragmented dna that whole genome dna of e. Coli is randomly fragmented to a middle of rna scaffold having a double stem-loop and a method for preparing the same.. ... Korea Advanced Institute Of Science And Technology

02/15/18 / #20180044015

Unmanned aerial vehicles, charging systems for the same and methods of charging the same

An unmanned aerial vehicle includes a body portion, a plurality of driving portions, a plurality of arms and first and second landing members. The body portion is formed at a center thereof, and the body portion includes an inner space defined by an upper plate, a lower plate and a plurality of supporting frames that connect the upper plate with the lower plate. ... Korea Advanced Institute Of Science And Technology

02/08/18 / #20180040937

Chip-to-chip interface using microstrip circuit and dielectric waveguide

. . Disclosed is a chip-to-chip interface using a microstrip circuit and a dielectric waveguide. A board-to-board interconnection device, according to one embodiment of the present invention, comprises: a waveguide which has a metal cladding and transmits a signal from a transmitter-side board to a receiver-side board; and a microstrip circuit which is connected to the waveguide and has a microstrip-to-waveguide transition (mwt), wherein the microstrip circuit matches a microstrip line and the waveguide, adjusts the bandwidth of a predetermined first frequency band among the frequency bands of the signal, and provides same to the receiver.. ... Korea Advanced Institute Of Science And Technology

02/01/18 / #20180028940

Method for separating and washing of microparticles via a stratified coflow of non-newtonian and newtonian fluids

The present invention relates to a method for separating and washing microparticles via a stratified co-flow of non-newtonian fluid and newtonian fluid, wherein the newtonian fluid as well as the non-newtonian fluid may flow into a transfer channel formed in a fluid chip at a predetermined flow rate ratio matching with an effective diameter of the target particles contained in the non-newtonian fluid, thereby inducing a change in positions of particle focusing points with respect to the target particles within the stratified co-flow thereof formed in the transfer channel. As a result, it is possible to more easily separate only the target particles among the microparticles contained in the non-newtonian fluid toward the newtonian fluid without using an additional device and human power, or transfer the target particles contained in the non-newtonian fluid toward the newtonian fluid for washing the same. ... Korea Advanced Institute Of Science And Technology

01/25/18 / #20180026658

Ldpc decoder, semiconductor memory system and operating method thereof

. . An operation method of a lpc decoder includes: initializing variable nodes of a tanner graph representing a parity check matrix; performing a check node update to check nodes of the tanner graph based on variable node values of the variable nodes; performing a variable node update when there are usc nodes among the updated check nodes as a result of the check node update; and repeating the performing of the check node update and the variable node update when there are usc nodes as the result of the check node update, wherein the performing of the variable node update includes: selecting among the variable nodes a predetermined number of variable nodes having a usc value greater than a threshold; and flipping the variable node values of the selected variable nodes, and wherein the usc value is a number of the usc nodes linked to one of the variable nodes.. . ... Korea Advanced Institute Of Science And Technology

01/25/18 / #20180025511

Apparatus and method for ct data reconstruction based on motion compensation

Disclosed is an apparatus for computed tomography (ct) image data reconstruction based on motion compensation. The apparatus for computed tomography (ct) data reconstruction based on motion compensation, the apparatus including a storage configured to store projection radiographs and an image processor configured to obtain pairs of opposite projection radiographs from the projection radiographs, and compensate a movement of a radiography subject based on a correlation between the projection radiographs of each pair of opposite projection radiographs.. ... Korea Advanced Institute Of Science And Technology

01/18/18 / #20180018766

Local high-resolution imaging method for three-dimensional skeletal image and apparatus therefor

A local high-resolution imaging method and apparatus for a three-dimensional (3d) skeletal image is provided. The method includes determining a volume of interest (voi) to perform high-resolution imaging from the 3d skeletal image in which an object to be inspected is captured, localizing the voi based on a finite element method (fem), and setting a multi-resolution constraint based on a bone mineral density (bmd) between the 3d skeletal image and the localized voi and reconstructing a skeletal image in which high-resolution imaging is performed on the localized voi.. ... Korea Advanced Institute Of Science And Technology

01/18/18 / #20180016403

Method for preparing nano-pattern, and nano-pattern prepared therefrom

Provided are a method for manufacturing a nano-pattern including: increasing a temperature of a self-assembling material applied on a substrate through light irradiation to form a self-assembly pattern, and a nano-pattern manufactured thereby. More particularly, the present invention relates to a method for manufacturing a nano-pattern capable of implementing various circuit patterns through simple dragging without using a photoresist pattern or chemical pattern in advance, implementing the nano-pattern on a substrate having a three-dimensional structure such as a flexible substrate as well as a flat substrate, and performing a process without a specific environmental restriction. ... Korea Advanced Institute Of Science And Technology

01/18/18 / #20180015423

3d polymer nanofiber membrane composed of 1d individual polymer nanofibers which are quasi-aligned and cross-laminated like grid structure with functions of controlling pore distribution and size, and manufacturing method thereof

Disclosed is a 1d nanofibers quasi-aligned, grid structure cross-laminated, and pore distribution and size controlled 3d polymer nanofiber membrane, and manufacturing method thereof. A 3d polymer nanofiber membrane controlled in pore size and porosity is formed by employing an electrospinning pattern forming apparatus that includes double insulating blocks quasi-aligns nanofibers in a specific direction by transforming an electric field and includes a current collector rotatable in 90°. ... Korea Advanced Institute Of Science And Technology

01/11/18 / #20180008958

Polymeric amine based carbon dioxide adsorbents

Carbon dioxide adsorbents are provided. The carbon dioxide adsorbents include a polymeric amine and a porous support on which the polymeric amine is supported. ... Korea Advanced Institute Of Science And Technology

01/04/18 / #20180006372

Subminiature photo phased array antenna

A device forming a photonic phased array antenna includes a low-refractive dielectric substrate, a nano-structured thin film formed on the low-refractive dielectric structure, and a high-refractive semiconductor waveguide formed over the low-refractive dielectric substrate and configured to operate in a single mode in the nano-structured thin film, wherein an antenna radiating a phase-modulated light wave to a free space is miniaturized to concentrate a radiated beam of a phased array antenna and to widen a scanning range.. . ... Korea Advanced Institute Of Science And Technology

01/04/18 / #20180005414

Method and apparatus for processing medical image

Provided is a medical image processing apparatus including a processor. The processor obtains raw data in a first phase section and generates first motion information by using at least one partial angle reconstruction (par) image pair including two par images respectively obtained in two phase sections in the first phase section that face each other. ... Korea Advanced Institute Of Science And Technology

01/04/18 / #20180000802

Pharmaceutical composition for prevention and treatment of mental disease with enhanced nmdar function

The present invention relates to a pharmaceutical composition for improving a sociability behavior in a patient having a mental disease with an enhanced nmdar function.. . ... Korea Advanced Institute Of Science And Technology

12/28/17 / #20170373093

Flexible display panel

A flexible display panel includes a bending area and a surrounding area adjacent to the bending area. The barrier layer includes first silicon nitride layers and first silicon oxide layers which are overlapped with the bending area. ... Korea Advanced Institute Of Science And Technology

12/28/17 / #20170372461

Inverse tone mapping method

The present invention provides a technology that separates a low-contrast-ratio image into sublayer images, classifies each sublayer image into several categories in accordance with the characteristics of each sublayer image, and learns a transformation matrix representing a relationship between the low-contrast-ratio image and a high-contrast-ratio image for each category. In addition, the present invention provides a technology that separates an input low-contrast-ratio image into sublayer images, selects a category corresponding to each sublayer image, and applies a learned transformation matrix to generate a high.. ... Korea Advanced Institute Of Science And Technology

12/28/17 / #20170372152

Biometric sensor and electronic device comprising the same

A sensor for sensing biometric information includes a light emitting unit that emits a first light ray, a light receiving unit that receives a second light ray, where the second light ray includes a portion of the first light ray reflected by a body of a user, and an optical layer placed over the light emitting unit and the light receiving unit. The optical layer has a first surface facing the light emitting unit and the light receiving unit and a second surface opposite the first surface. ... Korea Advanced Institute Of Science And Technology

12/21/17 / #20170366140

Common gate amplifier circuit and power amplifier using the same

A power amplifier includes a common source amplifier and a common gate amplifier circuit. The common source amplifier circuit has a terminal connected to a radio frequency (rf) input terminal and uses a source terminal commonly as an input terminal and an output terminal of the power amplifier. ... Korea Advanced Institute Of Science And Technology

12/21/17 / #20170365877

All-solid ion battery

The present invention provides an all-solid ion battery having improved stability and power characteristics and comprising: a powder-form solid electrolyte; a powder-form electrode active material; a first conductive polymer coating film coated on at least a portion of the solid electrolyte and capable of transporting ions; and a second conductive polymer coating film coated on at least a portion of the electrode active material and capable of transporting ions and electrons.. . ... Korea Advanced Institute Of Science And Technology

12/21/17 / #20170363930

Liquid lens and liquid lens module

Disclosed are a liquid lens and a liquid lens module, which enhance the fill factor of a liquid lens having an inclined partition, thereby achieving a low drive voltage and a high fill factor. The liquid lens includes an oil layer and a conductive liquid inside a chamber having an inclined partition. ... Korea Advanced Institute Of Science And Technology

12/14/17 / #20170359204

Method and apparatus for controlling interference in qam-fbmc system

Disclosed are a method and an apparatus for controlling a quadrature amplitude modulation-filter bank multi-carrier (qam-fbmc) system. A method of controlling interference is performed by a reception apparatus of the qam-fbmc system, wherein the reception apparatus is paired with a transmission apparatus. ... Korea Advanced Institute Of Science And Technology

12/14/17 / #20170358726

Flexible thermoelectric system

Disclosed is a flexible thermoelectric system. More particularly, the flexible thermoelectric system includes thermoelectric units that are wearable on the human body; a heating unit that is provided on one side of the thermoelectric units so as to be disposed between the thermoelectric units and the skin and is formed of a hygroscopic and exothermic material; and a heat dissipating unit that is provided on other side of the thermoelectric units such that the heat dissipating unit faces the heating unit and the thermoelectric units are disposed between the heat dissipating unit and the heating unit; wherein the heating unit and the heat dissipating unit are flexible. ... Korea Advanced Institute Of Science And Technology

12/07/17 / #20170353914

Method and apparatus for determining communication method between base station and terminal in wireless communication system

The present invention relates to a method for determining a communication method between a base station and a terminal and, more particularly, to a method and an apparatus allowing a base station to lead the setting of a communication method including wireless lan communication between the base station and the terminal. The method by which a first network base station determines the communication method, according to an embodiment of the present invention, comprises the steps of: receiving access related information from an access point of the terminal and a second network; and determining the communication method with the terminal among a plurality of communication methods on the basis of the access related information, wherein the plurality of communication methods comprise a first network dedicated carrier aggregation, a second network dedicated carrier aggregation or a carrier aggregation between the first network and the second network. ... Korea Advanced Institute Of Science And Technology

12/07/17 / #20170353160

Multiphase power supply having single comparator

A multiphase power supply includes a multiphase converter including first and second converters having differing operating phases, each of the first and second converters configured to convert input power into driving power, and transmit the driving power to a power amplifier, a detector configured to detect a voltage based on the driving power, and a duty controller configured to compare an error voltage between an envelope signal of an input signal input into the power amplifier and the detected voltage and sawtooth wave signals having different phases from each other to generate duty control signals, wherein the duty controller compares the error voltage and the sawtooth wave signals with each other using a single comparator.. . ... Korea Advanced Institute Of Science And Technology

12/07/17 / #20170351043

Optical package using v-shaped or curved reflector, and method for manufacturing the same

An optical package according to an embodiment includes a substrate comprising any one of a photodetector or an optical grating coupler and a light source, and a reflector arranged on or over the substrate to reflect light waves radiated from the light source and transmit the reflected light waves to any one of the photodetector or the optical grating coupler.. . ... Korea Advanced Institute Of Science And Technology

11/30/17 / #20170343631

Method and apparatus for processing mri images

The present disclosure in some embodiments provides a method and an apparatus for processing mri images wherein a plurality of slices of an object is applied with a spatial encoding gradient and a corrected gradient for applying a radial sampling, and radially sampled magnetic resonance signals of the slices are received, and mri images are generated with the radial sampling applied over multi-bands.. . ... Korea Advanced Institute Of Science And Technology

11/30/17 / #20170342454

Method for preparing recombinant proteins through reduction of rnpa gene expression

The present invention relates to a method for improving the production of a difficult-to-express recombinant protein in a recombinant microorganism, and more particularly to a method for improving the production of a difficult-to-express recombinant protein by use of a recombinant microorganism into which a gene encoding a target protein and an srna against a gene encoding ribonuclease p are introduced. According to the present invention, expressions of a large recombinant protein, a difficult-to-express protein and a useful protein can be dramatically increased by reducing expression of the rnpa gene.. ... Korea Advanced Institute Of Science And Technology

11/23/17 / #20170335381

Method for detecting and quantifying biomaterials by using activity of nucleic acid polymerase regulated by target material

The present invention relates to a method of detecting and quantifying biomolecules using nucleic acid polymerase activity controlled by the target molecule, and more particularly to a method for detecting or quantifying biomolecules, which can detect and quantify nucleic acids, proteins, small-molecular substances, physiologically active substances (enzymatic activities), etc., with high sensitivity, based on the change in dna polymerase activity caused by specific binding of a specific nucleic acid that forms a complex with a dna aptamer prepared so as to comprise a single-stranded dna that specifically recognizes the specific nucleic acid. The present invention can provide a method for diagnosing biomolecules, which can detect and quantify target nucleic acids, target proteins, target small-molecular substances, target enzyme activities and the like in a label-free and sensitive manner by controlling polymerase activity through target molecule-induced conformational change of a dna aptamer.. ... Korea Advanced Institute Of Science And Technology

11/23/17 / #20170335180

Semiconductor nanocrystal-siloxane composite resin composition and preparation method thereof

The present invention relates to a semiconductor nanocrystal-siloxane composite resin composition and a preparation method thereof, and more specifically to a semiconductor nanocrystal-siloxane composite resin composition in which semiconductor nanocrystals are dispersed and bonded to a siloxane composite resin obtained by condensation reaction of a mixture of one or more organoalkoxysilanes or organosilanediol, and a preparation method thereof. The cured product of the semiconductor nanocrystal-siloxane resin composition of the present invention can be prepared as a coating, a film, a flake, etc., and the inherent characteristics of the semiconductor nanocrystal are maintained in a high temperature and high humidity environment and the reliability of the application devices is improved.. ... Korea Advanced Institute Of Science And Technology

11/16/17 / #20170331906

Method and apparatus for managing internet-of-things service

An apparatus includes a visualization module that displays a user interface required for a user to use an iot service registered in a server, a service management module that manages a causal relationship between events that generate the iot service to form an iot service chain, and a generation and an operation of a mashup service configured by coupling a plurality of events, a data management module that manages an external service used by the user or provided by iot devices and data input from a gateway, an entity management module that manages the iot devices, the iot service, and a user terminal which are registered in the server based on the event and the data in conjunction with each other, and to control operations of the iot devices based on the iot service, and a gateway interface that communicates with the gateway connected to the iot devices.. . ... Korea Advanced Institute Of Science And Technology

11/16/17 / #20170331831

Trust evaluation method and system in internet of things

According to one example embodiment, trust evaluation system may include a collection unit collecting internal data and external data; a calculation unit calculating reputation and interactional reciprocity of entity using the internal data or external data and calculating trust of the entity based on the calculated reputation and interactional reciprocity; a process unit determining whether the entity is trustable and access to the entity is permitted by comparing the calculated trust of the entity with a threshold value and reporting to an owner of iot system a determination result; and an update unit updating the threshold value for the entity based on the determination result.. . ... Korea Advanced Institute Of Science And Technology








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