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Electronics And Telecommunications Research patents


Recent patent applications related to Electronics And Telecommunications Research. Electronics And Telecommunications Research is listed as an Agent/Assignee. Note: Electronics And Telecommunications Research may have other listings under different names/spellings. We're not affiliated with Electronics And Telecommunications Research, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "E" | Electronics And Telecommunications Research-related inventors


Method for releasing context of user equipment in non-3gpp access network and network entity performing the same

A method for releasing a context of a user equipment in a non-3gpp access network and a network entity performing the same are disclosed. In a case in which the ue is a unreachable state, a non-3gpp interworking function (n3iwf) may a ue context release request message to an access and mobility management function (amf), and may perform protocol data unit (pdu) session user plane de-activation between the amf, a session management function (smf), and a user plane function (upf). ... Electronics And Telecommunications Research

Control method for supporting multiple connections in mobile communication system and apparatus for supporting multiple connections

Disclosed are a control method for supporting multiple connections in a mobile communication system and an apparatus for supporting multiple connections. In the method for supporting the multiple connections to be performed in first and second base stations, a first base station receives the measured results for multiple connections from a terminal, determines whether the plurality of connections are set on the basis of the measured results, transmits the information for setting the multiple connections to the second base station when setting the multiple results, and the second base station generates the control information for setting the multiple connections of the terminal on the basis of the information for setting the multiple connections received from the first base station. ... Electronics And Telecommunications Research

Method and apparatus for transmitting ra preamble in nr system

A method and an apparatus for transmitting a message used to access a base station (bs) in a random access (ra) procedure by user equipment (ue) are provided. The method includes: determining a first ra preamble resource corresponding to an ssb index which corresponds to a transmission beam among a plurality of transmission beams of bs; and transmitting a message 1 of the ra procedure by using a first ra preamble format which includes the first ra preamble resource and at least one second ra preamble resource which neighbors the first ra preamble resource.. ... Electronics And Telecommunications Research

Method and apparatus for random access in mobile communication system

A method and an apparatus for random access in a mobile communication system are provided. A terminal receives a synchronization signal block, obtains beam index information from the received synchronization signal block, and transmits a preamble message occupying a plurality of preamble resources including a preamble resource corresponding to the beam index information to a base station. ... Electronics And Telecommunications Research

Operation method of communication node transmitting synchronization signal in communication network

An operation method of a communication node transmitting a synchronization signal in a communication network may comprise generating a synchronization signal block including the synchronization signal; configuring an offset for the synchronization signal block; generating a synchronization signal burst including a plurality of the synchronization signal blocks based on the offset; and transmitting the synchronization signal based on a synchronization signal burst set including the plurality of the synchronization signal blocks. Accordingly, a terminal can dynamically and effectively utilize the plurality of synchronization signal blocks without using additional information.. ... Electronics And Telecommunications Research

Session management method based on reallocation of pdu session anchor device, and device performing the session management method

Disclosed is a session management method based on protocol data unit (pdu) session anchor (psa) relocation, and an device performing the session management method. The session management method may include determining to perform psa relocation, establishing a new additional psa device through the psa relocation, and releasing an existing additional psa device, in which the psa relocation may allow traffic moving towards the existing additional psa device to move to the new additional psa device.. ... Electronics And Telecommunications Research

Selected mapping (slm) communication method and apparatus without side information (si) using cross-correlation

Disclosed is a communication method and apparatus without side information (si) using a cross-correlation. The communication method may include obtaining a reception pilot signal from a reception signal, and detecting a phase sequence used for a transmission signal based on the reception pilot signal.. ... Electronics And Telecommunications Research

Method and apparatus for transmitting and receiving uplink control channel in communication system

An operation method of a terminal in a communication system may comprise receiving a downlink data channel from a base station in a slot #n or a slot #(n−l); receiving a slot format indicator (sfi) indicating a format of a slot #(n+k) in which an uplink control information (uci) is to be transmitted, from the base station in the slot #n; and transmitting the uci including a hybrid automatic repeat request (harq) response for the downlink data channel to the base station in the slot #(n+k). Here, each of n and k may be an integer equal to or greater than 0, and l may be an integer equal to or greater than 1.. ... Electronics And Telecommunications Research

Battery charging system including battery gauge

Provided is a battery charging system including a battery gauge configured to scale down to indicate a charging capacity of a battery, a charging mode switching unit configured to monitor a charging state of the battery gauge, switch a charging mode according to the charging state of the battery gauge, and charge the battery according to the switched charging mode, and a battery charging control unit configured to receive a charging current input to the battery gauge and a battery charging current input to the battery, and control the charging mode switching unit.. . ... Electronics And Telecommunications Research

Electronic device and method for fabricating the same

Provided is a method for fabricating an electronic device, the method including: preparing a carrier substrate including an element region and a wiring region; forming a sacrificial layer on the carrier substrate; forming an electronic element on the sacrificial layer of the element region; forming a first elastic layer having a corrugated surface on the first elastic layer of the wiring region; forming a metal wirings electrically connecting the electronic element thereto, on the first elastic layer of the wiring region; forming a second elastic layer covering the metal wirings, on the first elastic layer; forming a high rigidity pattern filling in a recess of the second elastic layer above the electronic element so as to overlap the electronic element, and having a corrugated surface; forming a third elastic layer on the second elastic layer and the high rigidity pattern; and separating the carrier substrate.. . ... Electronics And Telecommunications Research

Differential inductor and semiconductor device including the same

Provided are a differential inductor and a semiconductor device including the same, the differential inductor including first circular parts and second circular parts disposed on a first layer and composing a first spiral shape, a first semi-circular part disposed on the first layer and in the first circular part that is an innermost one of the first circular parts, and a second semi-circular part disposed outside the first circular part that is an outermost one of the first circular parts, third semi-circular parts and fourth semi-circular parts disposed on a second layer under the first layer and composing a second spiral shape, connection means configured to connect, to one, the first and second circular parts, and the first to fourth semi-circular parts, wherein the second circular parts are respectively interposed between the first circular parts, and a part of the fourth semi-circular parts is respectively interposed between the second semi-circular parts.. . ... Electronics And Telecommunications Research

Apparatus for determining user input of wearable electronic device and method for the same

An electronic device capable of processing a user input without direct contact is disclosed. The electronic device according to an embodiment of the present disclosure may include a plurality of contact electrodes having one end thereof contacted with a user's body respectively to be electrically connected to the user's body, at least one body contact interface electrically connected to the plurality of contact electrodes through the user's body and having a predetermined impedance value, and a signal processing unit connected to other end of the plurality of contact electrodes respectively to form a circuit through the plurality of contact electrodes, the at least one body contact interface, and the user's body, and determining a user input corresponding to an impedance characteristic of the circuit.. ... Electronics And Telecommunications Research

Apparatus and method for controlling governor based on heterogeneous multicore system

Disclosed herein are an apparatus and method for controlling a governor based on a heterogeneous multicore system. The apparatus includes a heterogeneous core cluster unit for running any one of a first core cluster for high-performance operation and a second core cluster for low-power operation by switching therebetween; a governor-setting unit for generating operation setting information of a governor for controlling operation of the first core cluster and second core cluster; and a governor control unit for controlling operation of one or more governors based on the operation setting information.. ... Electronics And Telecommunications Research

Base station and operation method thereof

An operation method of a base station in a mobile communication network may comprise determining to disconnect a radio resource control (rrc) connection; transmitting a rrc connection release message to a terminal; releasing the rrc connection with the terminal while maintaining an s1-u bearer set up between the base station and a serving gateway (s-gw); and releasing the s1-u bearer after maintaining the s1-u bearer for a first time.. . ... Electronics And Telecommunications Research

09/20/18 / #20180270885

Method and apparatus for communication between peer devices using cyclic-superframe

A method and an apparatus for communication between peer devices in which a cyclic-superframe including a plurality of superframes is used are provided. The method may include: receiving a discovery request command frame including information about a first cyclic-superframe for a peering period at an active contention access period (cap) of the plurality of superframes; transmitting, to a peer device that has transmitted the discovery request command frame, a discovery response command frame corresponding to the discovery request command frame; and performing the peering period with the peer device based on the first cyclic-superframe.. ... Electronics And Telecommunications Research

09/20/18 / #20180270882

Operation method of communication node in communication network

An operation method of a first communication node in a communication system including an evolved packet core (epc), a plurality of base stations, and a communication network connecting the epc and the plurality of base stations may comprise transmitting a first message requesting a packet data network (pdn) connection to a second communication node included in the communication network; receiving a second message including an internet protocol (ip) address-related information from the second communication node; and dynamically assigning ip addresses to the plurality of base stations connected to the first communication node based on the ip address-related information.. . ... Electronics And Telecommunications Research

09/20/18 / #20180270809

Operation method of communication node in millimeter wave based communication system

An operation method of a communication node in a millimeter-wave based communication system may comprise when a first communication path between the second base station and the terminal connected to the first base station is not established, transmitting a radio resource control (rrc) request message requesting establishment of the first communication path to the second base station via the first base station; receiving an rrc response message from the second base station via the first base station, the rrc response message being a response to the rrc request message; and establishing the first communication path based on the rrc response message.. . ... Electronics And Telecommunications Research

09/20/18 / #20180270773

Operation method of communication node in communication network

Disclosed is an operation method of a communication node in a communication network. The operation method of the communication node having divided functions of a base station in a communication network may comprise generating digital pulse signals based on a high-speed clock synthesis for a time synchronization signal used for a synchronization operation of the communication node; performing counting on the digital pulse signals based on a notification setting value obtained in advance for controlling the synchronization operation of the communication node; generating a pulse signal corresponding to the notification configured value based on a result of the counting; and performing a function of the communication node, which is divided according to supporting functions of the base station, by performing an operation indicated by the generated pulse signal.. ... Electronics And Telecommunications Research

09/20/18 / #20180270731

Operation method of communication node in communication network

An operation method of a first communication node connected to a first hub in a communication network may comprise measuring signal qualities for a first radio signal received from the first hub and a second radio signal received from a second hub adjacent to the first hub; calculating a difference in the signal qualities for the first radio signal and the second radio signal; comparing the calculated difference with a plurality of predetermined threshold values for handover of the first communication node; and performing a handover-related procedure indicated by one of the plurality of predetermined threshold values based on a result of the comparison.. . ... Electronics And Telecommunications Research

09/20/18 / #20180270692

Method for transmitting and receiving packet in transport network

An operation method of a controller in a transport network supporting communications between an access network and a core network may comprise transmitting a request message for requesting a channel state report to at least one transport node among a plurality of transport nodes included in the transport network; receiving, in response to the request message, a response message including channel state information from the at least one transport node; determining at least one protocol layer to be used in the at least one transport node based on the channel state information; and transmitting a control message including information on the determined at least one protocol layer to the at least one transport node.. . ... Electronics And Telecommunications Research

09/20/18 / #20180270452

Multi-point connection control apparatus and method for video conference service

Disclosed is a multi-point connection control apparatus and method for a video conference service. The apparatus may include a front end processor configured to receive video streams and audio streams from user terminals of participants using the video conference service, and generate screen configuration information for providing the video conference service based on the received video streams and the received audio streams, and a back end processor configured to receive at least one of the video streams, at least one of the audio streams, and the screen configuration information from the front end processor, and generate a mixed video for the video conference service based on the received at least one of the video streams, at least one of the audio streams, and the screen configuration information.. ... Electronics And Telecommunications Research

09/20/18 / #20180269788

Dc-dc converter and driving method thereof

Provided is dc-dc converter including a first inductor configured to output a first inductor current based on an input voltage, a second inductor configured to output a second inductor current based on the input voltage, an output network unit configured to provide a first output voltage to a first output terminal and provide a second output voltage to a second output terminal based on the first inductor current or the second inductor current, a controller configured to determine cross-regulation with respect to the first output terminal and the second output terminal and generate a mode signal based on the determination, and an inductor network unit configured to connect the first inductor and the second inductor based on the mode signal or electrically isolate the first inductor and the second inductor.. . ... Electronics And Telecommunications Research

09/20/18 / #20180268739

Method and system for grading foreign language fluency on the basis of end-to-end technique

Provided are end-to-end method and system for grading foreign language fluency, in which a multi-step intermediate process of grading foreign language fluency in the related art is omitted. The method provides an end-to-end foreign language fluency grading method of grading a foreign language fluency of a non-native speaker from a non-native raw speech signal, and includes inputting the raw speech to a convolution neural network (cnn), training a filter coefficient of the cnn based on a fluency grading score calculated by a human rater for the raw signal so as to generate a foreign language fluency grading model, and grading foreign language fluency for a non-native speech signal newly input to the trained cnn by using the foreign language fluency grading model to output a grading result.. ... Electronics And Telecommunications Research

09/20/18 / #20180268616

Method and apparatus for generating 3d printing data

A method of generating 3d printing data performed by an apparatus for generating 3d printing data includes generating a 3d model of an object; generating a surface height map from a texture image indicating a surface texture of the object; setting an area in which the surface height map is projected on a surface of the 3d model; slicing the 3d model into a plurality of cross-section segments; and correcting a shape of at least a portion among the cross-section segments in consideration of the area in which the surface height map is projected on the 3d model.. . ... Electronics And Telecommunications Research

09/20/18 / #20180268571

Image compression device

Provided is an image compression device including an object extracting unit configured to perform convolution neural network (cnn) training and identify an object from an image received externally, a parameter adjusting unit configured to adjust a quantization parameter of a region in which the identified object is included in the image on the basis of the identified object, and an image compression unit configured to compress the image on the basis of the adjusted quantization parameter.. . ... Electronics And Telecommunications Research

09/20/18 / #20180268559

Method for tracking object in video in real time in consideration of both color and shape and apparatus therefor

Disclosed herein are a method for tracking object in video in real time in consideration of both color and shape and an apparatus for the same. The apparatus may generate at least one of a correlation filter model and a color probability density model based on an input image, determine an initial position and an initial size of a target to be tracked based on a correlation filter response value calculated by applying the correlation filter model to the input image, calculate a joint probability based on the correlation filter response value and a color object probability that is calculated based on the color probability density model, and update an object model corresponding to the target to be tracked based on a final position and a final size of the target to be tracked, which are determined by applying the joint probability to the initial position and the initial size.. ... Electronics And Telecommunications Research

09/20/18 / #20180268473

Trust-based resource sharing method and system

The present invention is a trust-based resource sharing method and system for managing resources such as accommodations, automobiles, bicycles, equipment, instruments, tools, furniture, and the like during the lease period, using the internet and smart home technology. The invention, unlike the existing sharing economy approach (e.g., airbnb, uber, and the like) that simply links the owner (or lender) of the resource with the user (or tenant), allows a reliable service transaction between a resource provider (or lender) and a tenant, on the basis of the trust information analyzed through accumulated data collected through iot sensors. ... Electronics And Telecommunications Research

09/20/18 / #20180267957

Online contextual advertisement intellectualization apparatus and method based on language analysis for automatically recognizing coined word

The language analysis method includes collecting an online document, performing coined word filtering on the collected document based on a predetermined coined word extraction pattern and a dictionary to extract a coined word candidate which corresponds to the coined word extraction pattern and is not registered in a coined stop word dictionary, performing morpheme analysis on the extracted coined word candidate to verify a coined word candidate which does not correspond to a predetermined part of speech and is not registered in a pre-stored morpheme dictionary, refining the coined word extraction pattern, based on a result of the verification and updating the verified coined word candidate in the coined stop word dictionary, and updating the verified coined word candidate in the morpheme dictionary, based on the result of the verification.. . ... Electronics And Telecommunications Research

09/20/18 / #20180267820

Method, apparatus and system for selectively providing virtual machine through actual measurement of efficiency of power usage

Disclosed are a method, apparatus, and system for selectively providing a virtual machine through actual measurement of efficiency of power usage. When a user terminal requests to provide a virtual machine, candidate virtual machines are activated on multiple virtual machine servers. ... Electronics And Telecommunications Research

09/20/18 / #20180267467

Holographic display apparatus and method using focus plane scanning scheme

A holographic display apparatus is provided. The holographic display apparatus includes a spatial light modulator configured to diffract light emitted from an incident light source with a shape corresponding to a computer generated hologram (cgh) pattern to generate an image signal, a filtering optical system configured to filter the image signal to select a first signal component among signal components included in the image signal, a first formation optical system configured to form a focus plane with a smaller size than the first image plane on a surface of a mirror via focus on the first image plane based on the first signal component, and a focus scanner configured to form a beam in a direction of 360 degrees based on a tilting angle of the mirror and rotation of the mirror.. ... Electronics And Telecommunications Research

09/20/18 / #20180267466

Method and apparatus for converting resolution of digital hologram data

Provided is a method for converting a hologram resolution of an apparatus for converting a hologram resolution. The apparatus for converting a hologram resolution includes receiving a hologram data and determining a direction and a height of an envelope for the hologram data based on first information associated with the hologram data. ... Electronics And Telecommunications Research

09/20/18 / #20180267215

Auto focusing device

An auto focusing lens includes an active lens including a lens body including electroactive polymer and a transparent electrode at least partially coated on a surface of the lens body, and a controller controlling the focus of the active lens by applying a voltage to the transparent electrode.. . ... Electronics And Telecommunications Research

09/20/18 / #20180264467

Microfluidic control system and microfluidic control method using the same

The present disclosure relates to a microfluidic control system and a microfluidic control method using the same. The microfluidic control system includes: a microfluidic chip including a storage chamber for storing a reaction solution and a receiving chamber communicating with the storage chamber; and a microfluidic control device for controlling the reaction solution inside the microfluidic chip, wherein the microfluidic control device includes: a first roller which is in contact with the microfluidic chip and rotates together with the movement of the microfluidic chip; and a pressurizing protrusion formed on the outer peripheral surface of the first roller, wherein the pressurizing protrusion has a shape corresponding to the storage chamber.. ... Electronics And Telecommunications Research

09/20/18 / #20180264281

Microwave output method for thermotherapy and apparatus for performing the same

Disclosed is a microwave output method and apparatus for thermotherapy. The microwave output method may include performing a forward analysis using a mapping model corresponding to a target point of an object, performing a reverse analysis based on forward analysis data for the forward analysis, and outputting a signal to the target point from each of a plurality of antennas based on reverse analysis data for the reverse analysis.. ... Electronics And Telecommunications Research

09/20/18 / #20180263839

Artificial muscle

An artificial muscle includes a first stress transmission part and a second stress transmission part, which are spaced apart from each other in a first direction, a contraction coil spring provided between the first and second stress transmission parts to pull the first and second stress transmission parts, and an expansion part provided between the first and second stress transmission parts to push the first and second stress transmission parts. The contraction coil spring has a shape of a spring progressing in the first direction, and the contraction coil spring is contracted by heat.. ... Electronics And Telecommunications Research

09/06/18 / #20180255139

Terminal device for communicating using internet of things (iot) module and data communication module and core network device

Disclosed is a core network device and terminal device communicating using an internet of things (iot) module and a data communication module, the terminal device including an iot module, a data communication module, and a controller configured to transmit a preference and a support function of the terminal device to the core network device and perform an optimization function through an interoperation between the iot module and the data communication module in response to an optimization request from the core network device, the optimization request being based on the support function and the preference.. . ... Electronics And Telecommunications Research

09/06/18 / #20180254965

Apparatus and method for validating service control status

Disclosed herein are apparatus and method for validating service control status. The apparatus for validating service control status includes a service control request unit for requesting control of a service from a computing system, a service control status checking period generation unit for generating a service control status checking period in order to check completion of the service control, and a service control status checking communication unit for performing service control status checking communication with the computing system based on the service control status checking period.. ... Electronics And Telecommunications Research

09/06/18 / #20180254635

Method and its system of management of priority-based energy distribution

Disclosed are a priority-based energy distribution method and a priority-based energy distribution system for performing the priority-based energy distribution method. The method may include receiving an energy distribution request including information on demand energy amounts from energy consumers, determining a priority of each of the energy consumers with respect to each of energy suppliers, determining an optimal energy amount of each of the energy consumers based on the determined priority, the demand energy amounts, and available distribution energy resources of the energy suppliers, and distributing energies of the available distribution energy resources to the respective energy consumers based on the determined optimal energy amount.. ... Electronics And Telecommunications Research

09/06/18 / #20180254337

Semiconductor device

A semiconductor device includes a first semiconductor layer. A second semiconductor layer is disposed on the first semiconductor layer. ... Electronics And Telecommunications Research

09/06/18 / #20180252579

Device and method for integrated optical measurement

An integrated optical measurement apparatus includes: an optical signal transmission unit varying a wavelength of an optical signal to be transmitted and controlling power of the optical signal such that the wavelength is varied to be output to the outside; an optical signal receiving unit measuring power and a wavelength from the optical signal input from the outside; and a controller controlling the optical signal transmission unit and the optical signal receiving unit.. . ... Electronics And Telecommunications Research

09/06/18 / #20180250522

Transceiver of generating microwave signal and therapy system including the transceiver

Disclosed is a transceiver of outputting a microwave signal and a therapy system including the transceiver, the transceiver including a signal attenuator to control an intensity of a microwave signal based on corrected information, a phase shifter to control a phase of the microwave signal based on the corrected information, a signal switch to control a turning-on/off of the microwave signal based on on/off information, a power amplifier to amplify the microwave signal, a detector to calculate a difference between the microwave signal and a result of the amplifying, and a self-monitoring controller to generate the corrected information based on the difference, phase information, and intensity information, output the corrected information to the signal attenuator and the phase shifter, generate the on/off information, and output the on/off information to the signal switch.. . ... Electronics And Telecommunications Research

08/23/18 / #20180242352

Scheduling apparatus and method for multicast broadcast service

Provided are a scheduling apparatus and method for a multicast broadcast service. Scheduling information is configured with at least one of information related to a location in which each multicast broadcast service, which is identified by a unique identifier within one scheduling period, starts and information related to a location in which each multicast broadcast service ends, and a scheduling block including the configured scheduling information is generated. ... Electronics And Telecommunications Research

08/23/18 / #20180242298

Method and apparatus for generating, transmitting, and receiving a data frame in a wireless communication system

The present invention relates to a technique relating to a method and apparatus for generating, transmitting, and receiving a data frame having a newly proposed format in a wireless communication system. According to the technique, the method for generating a data frame in a wireless communication system comprises the following steps: generating at least one first subframe; generating at least one second subframe; and generating a data frame including the first and second subframes, wherein the first and second subframes include length information of a mac protocol data unit (mpdu) contained in the first and second subframes, and the length information of the mpdu contained in the second subframe is zero.. ... Electronics And Telecommunications Research

08/23/18 / #20180242198

Mobile communication network system and control method thereof

A mobile communication network system includes a default network slice; at least one core network slice added according to a supporting service; anddeletedtextsat least one service operator network slice added according to a service operator in the core network slice. The core network slice is determined according to a service type required by user equipment, and the service operator network slice is determined by the core network slice.. ... Electronics And Telecommunications Research

08/23/18 / #20180241497

Planar electromagnetic wave generation apparatus for concentrating orbital angular momentum and method therefor

Provided are a technique for providing focused bessel beams having orbital angular momentum (oam) to a plane to solve a problem of the related art in which laguerre-gaussian (lg) beams having oam and used for multiplexing of a microwave transmission system are dispersed, and an electromagnetic wave generation apparatus and method for implementing the technique.. . ... Electronics And Telecommunications Research

08/23/18 / #20180241460

Apparatus and method for accessing star network/mesh network of time division multiple access (tdma)/single channel per carrier (scpc) integrated satellite communication

Disclosed is a star network/mesh network accessing method and apparatus of a terminal in a satellite communication system, the method including receiving time slot resources from a central station and operating in a time division multiple access (tdma) start network communication mode between the central station and a terminal, transferring, to the central station, a tdma mesh network connection request message for a destination terminal, receiving traffic burst time plan (tbtp) information corresponding to the tdma mesh network connection request message from the central station and operating in a tdma mesh network communication mode between terminals, and switching from the tdma mesh network communication mode between the terminals to a single channel per carrier (scpc) mesh network communication mode between the terminals when voice over internet protocol (voip) traffic is greater than a threshold.. . ... Electronics And Telecommunications Research

08/23/18 / #20180239342

Method and apparatus for registering virtual equipment for virtual production system

A method of registering virtual equipment for a virtual production system includes generating a production system model and a production process model of a virtual factory on the basis of a structure database (db), a production db, and an operation db, extracting a plurality of equipment behavior catalogs (ebcs) regarding a plurality of pieces of virtual equipment used in the virtual factory from an ebc repository on the basis of the production system model, generating and simulating a plurality of equipment processing models on the basis of the plurality of ebcs and the production process model, and generating an ebc set on the basis of the plurality of ebcs when a result of the simulation satisfies a predetermined criterion.. . ... Electronics And Telecommunications Research

08/23/18 / #20180239318

Method of controlling energy storage and apparatuses performing the same

A method of controlling an energy storage and an energy storage controlling apparatus are disclosed. The method may include dividing an energy storage of large capacity into virtual energy storages corresponding to respective users based on a required energy amount and a period of use of an energy storage of each of the users, and integrally controlling, for each time, the virtual energy storages corresponding to the respective users based on a management schedule of the energy storage of each of the users.. ... Electronics And Telecommunications Research

08/16/18 / #20180235112

Magnetic field shielding apparatus

Disclosed is a magnetic field shielding apparatus including an energy transmitter configured to generate a magnetic field, an energy receiver configured to receive the magnetic field generated by the energy transmitter, and a magnetic shield configured to shield a leaked magnetic field that is not received by the energy receiver, the magnetic shield including at least one closed region through which the leaked magnetic field passes, and at least one open region including a protrusion through which the leaked magnetic field moves to an inside of the magnetic field shielding apparatus after absorbed into the closed region.. . ... Electronics And Telecommunications Research

08/16/18 / #20180235004

Method of multiple frame transmission in wireless communication system and transmitter

A method for multiple frame transmission in a wireless communication system and a transmitter are provided. The transmitter transmits a request to send (rts) frame to a receiver. ... Electronics And Telecommunications Research

08/16/18 / #20180234920

Terminal and method for performing discontinuous reception mode

A method and a terminal for performing a discontinuous reception (drx) mode include measuring reception strength of a reference signal transmitted by a base station, determining a coverage level and a length of a warming-up time using the reception strength, and starting a drx timer determined based on the coverage level and the length of the warming-up time.. . ... Electronics And Telecommunications Research

08/16/18 / #20180234882

Operation method of communication node in communication network

An operation method of a first communication node in a communication network, which supports a radio link control (rlc) function among functions of a base station, may comprise receiving a first message from a second communication node supporting a packet data convergence protocol (pdcp) function among the functions of the base station; processing the received first message by performing the rlc function; and transmitting the processed first message to a third communication node supporting a medium access control (mac) function and physical (phy) functions among the functions of the base station.. . ... Electronics And Telecommunications Research

08/16/18 / #20180234678

Adaptive image encoding device and method

Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. ... Electronics And Telecommunications Research

08/16/18 / #20180234436

Stepping-stone detection apparatus and method

Disclosed herein are a stepping-stone detection apparatus and method. The stepping-stone detection apparatus includes a target connection information reception unit for receiving information about a target connection from an intrusion detection system (ids), a fingerprint generation unit for generating a target connection fingerprint based on the information about the target connection, and generating one or more candidate connection fingerprints using information about one or more candidate connections corresponding to one or more flow information collectors, and a stepping-stone detection unit for detecting a stepping stone by comparing the target connection fingerprint, in which a maximum allowable delay time is reflected, with the candidate connection fingerprints.. ... Electronics And Telecommunications Research

08/16/18 / #20180232891

System and method for tracking multiple objects

The present invention relates to a system for tracking an object. The system includes an image capturing unit configured to capture a video of a predetermined observation area and output the captured video; and a multi-object tracker configured to output an object-tracking image by tracking multiple objects within an object image which is generated by extracting the objects from each of image frames obtained from the video obtained from the image capturing unit, wherein the multi-object tracker determines whether occlusion of the objects or hijacking occurs while performing multi-object tracking, and when it is determined that at least one of the occlusion and hijacking occurs, the multi-object tracker outputs the object-tracking image corrected by removing the occurring occlusion or hijacking.. ... Electronics And Telecommunications Research

08/16/18 / #20180232635

Neuromorphic arithmetic device

The present disclosure relates to a neuromorphic arithmetic device. The neuromorphic arithmetic device may include first and second synapse circuits, a charging/discharging circuit, a comparator, and a counter. ... Electronics And Telecommunications Research

08/16/18 / #20180232606

Sensory information providing apparatus, video analysis engine, and method thereof

Disclosed is a sensory information providing apparatus. The sensory information providing apparatus may comprise a learning model database storing a plurality of learning models related to sensory effect information with respect to a plurality of videos; and a video analysis engine generating the plurality of learning models by extracting sensory effect association information by analyzing the plurality of videos and sensory effect meta information of the plurality of videos, and extracting sensory information corresponding to an input video stream by analyzing the input video stream based on the plurality of learning model.. ... Electronics And Telecommunications Research

08/16/18 / #20180232066

Method for recognizing table for electronic menu system based on visible light and apparatus using the same

Disclosed herein are a method for recognizing a table for an electronic menu system based on visible light and an apparatus for the same. The method includes receiving, by a visible light receiver connected to a smart device provided to a customer in a restaurant, multiple visible light signals from multiple lamps installed in the restaurant; detecting at least one valid signal from the multiple visible light signals in consideration of the multiple visible light signals and sensor data collected from a sensor installed in the smart device; and recognizing a table at which the customer is sitting using table information included in the at least one valid signal.. ... Electronics And Telecommunications Research

08/16/18 / #20180231998

Electronic circuit, linear regulating circuit, and dc-dc converting circuit consuming less power according to control of logic circuit

Provided are an electronic circuit, a linear regulating circuit, and a dc-dc converting circuit. An embodiment of the inventive concept includes a linear regulating circuit unit for generating, by comparing output voltages and corresponding reference voltages, a transient signal indicating that at least one of the output voltages is in a transient state, or a steady signal indicating that each of the output voltages is in a steady state, and for controlling the output voltages on the basis of the steady signal and the transient signal, an energy storing unit for storing energy used to generate the output voltages, a ground switch unit for controlling connection between the energy storing unit and a ground terminal, an input switch unit for controlling connection between at least one input terminal and the energy storing unit, and an output switch unit for controlling connection between output loads and the energy storing unit.. ... Electronics And Telecommunications Research

08/16/18 / #20180231856

Electrochromic mirror

An electrochromic mirror includes a first electrode structure, a second electrode structure provided on the first electrode structure, and an electrolyte provided between the first and second electrode structures. Here, the first electrode structure further includes a metal layer, a graphene layer disposed on the metal layer, and an interface part disposed between the metal layer and the graphene layer. ... Electronics And Telecommunications Research

08/16/18 / #20180231593

Electromagnetic wave reverberation chamber

Disclosed is an electromagnetic wave reverberation chamber including a column-type mode stirrer including a plurality of plate-shaped electromagnetic wave reflectors connected by a metal column provided on a bottom of the electromagnetic wave reverberation chamber, a ceiling-type mode stirrer including a plurality of plate-shaped electromagnetic wave reflectors connected by a metal column provided on a wall surface of the electromagnetic wave reverberation chamber and disposed around a ceiling of the electromagnetic wave reverberation chamber, and a pyramidal mode stirrer including a plurality of pyramid-shaped electromagnetic wave reflectors and disposed on a wall surface of the electromagnetic wave reverberation chamber.. . ... Electronics And Telecommunications Research

08/16/18 / #20180231378

Apparatus and method for obtaining depth information using digital micro-mirror device

A depth information acquiring apparatus using a digital micro-mirror device (dmd), and a method thereof are provided. The depth information obtaining apparatus includes: a first digital micro-mirror device (dmd) that generates first line light and irradiates the first line light to an object; a second dmd that receives second line light reflected from the object and reflects light corresponding to the second line light; a sensor that senses light reflected by the second dmd; and a controller that controls operations of the first and second dmds, and calculates depth information of the object by using information with respect to light sensed by the sensor.. ... Electronics And Telecommunications Research

08/09/18 / #20180227928

Communication method and apparatus using multiple antennas in wireless communication system

Disclosed are a communication method and a communication apparatus using multiple antennas in a wireless communication system. A communication method of a receiver comprises receiving reference signals from a transmitter of the communication system through beams to which the hybrid beamforming is applied; selecting at least one analog beam having a quality equal to or higher than a preset threshold value among analog beams belonging to the beams, based on the reference signals; and selecting at least one digital beam corresponding to the at least one analog beam and having a quality equal to or higher than the preset threshold value among digital beams belonging to the beams, based on the reference signals. ... Electronics And Telecommunications Research

08/09/18 / #20180227734

Method and apparatus for proximity communications using channel aggregation

A proximity communication method and apparatus using a link adaptation. A transmitter establishes a link that is configured using a channel aggregation by performing an association with a receiver, and performs a link adaptation that changes the channel aggregation with respect to the link in response to transmitting data to the receiver using the link.. ... Electronics And Telecommunications Research

08/09/18 / #20180227026

Method for supporting beamforming in communication network

Disclosed are a method and an apparatus for performing communications based on multiple antennas in a communication network. An operation method performed in a multi-antenna performing beamforming in a communication network according to the present disclosure may comprise selecting a beamformer generating a transmission beam for transmitting data to a plurality of communication nodes included in the communication network among a plurality of beamformers included in the multi-antenna; selecting at least one antenna panel corresponding to each of the plurality of communication nodes among a plurality of antenna panels included in the selected beamformer; configuring parameters for respectively allocating independent transmission beams to the plurality of communication nodes based on the selected at least one antenna panel; and transmitting data to the plurality of communication nodes using transmission beams through the plurality of antenna panels based on the configured parameter.. ... Electronics And Telecommunications Research

08/09/18 / #20180227025

Communication method and apparatus using single radio frequency chain antenna

A communication method of a wireless device to which a single radio frequency (rf) chain antenna is applied. The wireless device stores a plurality of beam sets for the single rf chain antenna and a plurality of quality values for the plurality of beam sets. ... Electronics And Telecommunications Research

08/09/18 / #20180225852

Apparatus and method for generating best-view image centered on object of interest in multiple camera images

Provided are an apparatus and method for generating a best-view image centered on a object of interest in multiple camera images. The apparatus and method for generating a best-view image centered on a object of interest in multiple camera images accurately provide a best-view image clearly showing a figure, a motion, or the like of a object of interest desired by a viewer by selecting the best-view camera image on the basis of a criterion of a judgment about the best-view image centered on the object of interest.. ... Electronics And Telecommunications Research

08/09/18 / #20180225563

Artificial neural network device and operation method thereof

Provided is an artificial neural network device including pre-synaptic neurons configured to generate a plurality of input spike signals, and a post-synaptic neuron configured to receive the plurality of input spike signals and to generate an output spike signal during a plurality of time periods, wherein the post-synaptic neuron respectively applies different weights in the plurality of time periods according to contiguousness with a reference time period in which input spike signals, which lead generation of the output spike signal from among the plurality of input spike signals, are received.. . ... Electronics And Telecommunications Research

08/09/18 / #20180224950

Information processing system and information processing method thereof

Provided is an information processing system implemented to allow various types of services, such as virtual reality games or augmented reality games, to be enjoyed with a perception of reality by using a single manipulation device that may be modified in various forms, and an information processing method thereof. The information processing system includes: a manipulation device including a plurality of fragments each having distinguishment information for distinguishing the plurality of fragments from each other, the manipulation device configured to provide motion information according to a manipulation of a user; and an information processing device configured to provide various types of services by reflecting the motion information received from the manipulation device and a result of processing an image of the manipulation device on basic content for a service.. ... Electronics And Telecommunications Research

08/09/18 / #20180224851

Method and apparatus for controlling autonomous driving vehicle using dead reckoning

Disclosed are a method and apparatus for effectively controlling an autonomous driving vehicle in an abnormal condition in which a navigation system and/or an autonomous driving system malfunctions. The apparatus for controlling the autonomous driving vehicle includes a position recognition unit for generating first position information by recognizing a position of the autonomous driving vehicle, a state determination unit for determining whether the position recognition unit is in an abnormal state, a dead reckoning unit for generating second position information by predicting a position of the autonomous driving vehicle using dead reckoning, a data providing unit for selecting either the first position information or the second position information depending on a determination result of the state determination unit, and a vehicle controller for controlling the autonomous driving vehicle based on a section result of the data providing unit.. ... Electronics And Telecommunications Research

08/02/18 / #20180220466

Method for random access in wireless communication system and apparatus for the same

Disclosed are a random access method and a random access apparatus in a wireless communication system. An operation method of a terminal in a communication system, according to the present invention, comprises receiving system information including configuration information on a physical random access channel (prach) composed of a plurality of access slots from a first base station; selecting one access slot among the plurality of access slots based on the configuration information; and transmitting a random access preamble to the first base station through the one access slot. ... Electronics And Telecommunications Research

08/02/18 / #20180219656

Operation method of communication node for supporting coordinated multi-point transmission and reception in communication network

An operation method of a communication node supporting a coordinated multi-point transmission and reception (comp) of a terminal based on a plurality of transmission points (tps) included in a communication network may comprise allocating a resource for transmitting a pilot signal of the terminal; receiving quality measurement information of the pilot signal of the terminal from the plurality of tps; determining a tp cluster supporting the comp of the terminal based on channel states among the plurality of tps; transmitting information on the allocated resource and information on the tp cluster to the terminal and the tp cluster; and supporting the comp of the terminal based on the allocated resource and the tp cluster.. . ... Electronics And Telecommunications Research

08/02/18 / #20180219589

Methods for transmitting a frame in a multi-user based wireless communication system

The present invention relates to methods for transmitting a frame by grouping a plurality of wireless terminals in a multiuser based wireless communication system. The present invention includes a method for transmitting a frame by including information about multiple receiver terminals in a mac frame, another method for transmitting a frame by allocating group addresses and then using a corresponding group address for frame transmission, and yet another method for transmitting a frame by using a unique group sequence number that is allocated to each group and group control information that contains bitmap information. ... Electronics And Telecommunications Research

08/02/18 / #20180217860

Integrated network data collection apparatus and method

Disclosed herein are an integrated network data collection apparatus and method. The integrated network data collection apparatus includes a packet collection unit for collecting packets corresponding to one or more virtual machines included in a cloud server, a flow-processing unit for generating flow information based on the collected packets, a session-processing unit for generating session information based on the generated flow information, and a storage unit for storing network data including at least one of the generated flow information and the generated session information.. ... Electronics And Telecommunications Research

08/02/18 / #20180217806

Method of providing virtual reality using omnidirectional cameras and microphones, sound signal processing apparatus, and image signal processing apparatus for performing method thereof

Provided is a method of providing a virtual reality using omnidirectional cameras and microphones, a sound signal processing apparatus and an image signal processing apparatus for performing method thereof. The method may include obtaining sound signals of a plurality of sound sources from a plurality of sound signal obtaining apparatuses present at different recording positions in a recording space, determining a direction of each of the sound sources relative to positions of the sound signal obtaining apparatuses based on the sound signals, matching the sound signals by each identical sound source, determining coordinates of the sound sources in the recording space based on the matched sound signals, and generating the sound signals corresponding to virtual positions of the sound signal obtaining apparatuses in the recording space based on the determined coordinates of the sound sources in the recording space and the matched sound signals.. ... Electronics And Telecommunications Research

08/02/18 / #20180217267

Ground radio station (grs) apparatus and radio station apparatus included in unmanned aerial vehicle (uav)

A ground radio station (grs) apparatus and a radio station apparatus included in an unmanned aerial vehicle (uav) are provided. The grs apparatus may include an antenna configured to transmit and receive a radio frequency (rf) signal, an rf and/or intermediate frequency (if) (rf/if) chain configured to perform a conversion between the rf signal and a baseband signal, a baseband transceiving processor configured to transmit and receive the baseband signal, and a bb-if interface configured to map the baseband signal to the rf/if chain or the baseband transceiving processor.. ... Electronics And Telecommunications Research

07/26/18 / #20180213632

Method for driving x-ray source

Provided is a method for driving an x-ray source, which includes a cathode electrode, an electron source provided on the cathode electrode and configured to emit an electron beam, and an anode target including an electron beam irradiation surface with the electron beam irradiated thereto, the method including providing the electron beam in a plurality of main pulses, wherein each of the main pulses includes a plurality of short pulses having an idle time and a pulse time, and each of the idle time and the pulse time is shorter than a duration time of the main pulse, wherein applying the plurality of short pulses comprises irradiating the electron beam from the electron source towards the electron beam irradiation surface during the pulse time; and idling the electron beam during the idle time, wherein a duty cycle of the short pulse is 0.4 to 0.6, which is obtained by dividing the idle time by a sum of the pulse time and the idle time.. . ... Electronics And Telecommunications Research

07/26/18 / #20180213547

Communication node for scheduling and interference control in wireless communication network, and operation method therefor

An operation method of a base station in an ifd scheme may comprise receiving position information of each of a plurality of downlink (dl) terminals and a plurality of uplink (ul) terminals; determining a guard zone corresponding to each of the plurality of dl terminals based on the position information of each of the plurality of dl terminals; determining whether at least one ul terminal is located in the guard zone based on the position information of each of the plurality of ul terminals; determining a scheduling priority of each of the plurality of dl terminals according to whether at least one ul terminal is located in the guard zone; generating dl control information including frequency-time resource allocation information and interference control information based on the determined scheduling priority; and transmitting data signals and the dl control information to the plurality of dl terminals.. . ... Electronics And Telecommunications Research

07/26/18 / #20180213299

Apparatus and method for tracking temporal variation of video content context using dynamically generated metadata

There are provided an apparatus and method for tracking temporal variation of a video content context using dynamically generated metadata, wherein the method includes generating static metadata on the basis of internal data held during an initial publication of video content and tagging the generated static metadata to the video content, collecting external data related to the video content generated after the video content is published, generating dynamic metadata related to the video content on the basis of the collected external data and tagging the generated dynamic metadata to the video content, repeating regeneration and tagging of the dynamic metadata with an elapse of time, tracking a change in content of the dynamic metadata, and generating and providing a trend analysis report corresponding to a result of tracking the change in the content.. . ... Electronics And Telecommunications Research

07/26/18 / #20180213289

Method of authorizing video scene and metadata

Provided is a method of authorizing a video scene and metadata for providing a gui screen provided to a user for authorizing the video scene and the metadata. The method includes generating a gui screen configuration for an input of data including a video, sound, subtitles, and a script, generating a gui screen configuration for extracting and editing shots from the data, generating a gui screen configuration for generating and editing scenes, based on the shots, generating a gui screen configuration for automatically generating and editing metadata of the scenes, and generating a gui screen configuration for storing the scenes and the metadata in a database.. ... Electronics And Telecommunications Research

07/26/18 / #20180213238

Method for decoding image and apparatus using same

A method of decoding a image according to an embodiment of the present invention, which supports a plurality of layers, may comprise the steps of: receiving information on a reference layer used to decode a current picture for inter-layer prediction; inducing the number of valid reference layer pictures used to decode the current picture on the basis of the information on the reference layer; and performing inter-layer prediction on the basis of the number of valid reference layer pictures.. . ... Electronics And Telecommunications Research

07/26/18 / #20180213237

Method for decoding image and apparatus using same

A method of decoding a image according to an embodiment of the present invention, which supports a plurality of layers, may comprise the steps of: receiving information on a reference layer used to decode a current picture for inter-layer prediction; inducing the number of valid reference layer pictures used to decode the current picture on the basis of the information on the reference layer; and performing inter-layer prediction on the basis of the number of valid reference layer pictures.. . ... Electronics And Telecommunications Research

07/26/18 / #20180213236

Method for decoding image and apparatus using same

A method of decoding a image according to an embodiment of the present invention, which supports a plurality of layers, may comprise the steps of: receiving information on a reference layer used to decode a current picture for inter-layer prediction; inducing the number of valid reference layer pictures used to decode the current picture on the basis of the information on the reference layer; and performing inter-layer prediction on the basis of the number of valid reference layer pictures.. . ... Electronics And Telecommunications Research

07/26/18 / #20180212864

Method and apparaus for overlap-resistant dynamic routing

A disclosure of the present invention is related to a method and an apparatus for overlap-resistant dynamic routing to prevent a path from overlapping. A method of performing an overlap-resistant routing according to an embodiment of the present disclosure includes: computing p candidate paths (p is an integer more than 2) from a first host to a second host based on information related to a network structure; computing k paths (k is an integer more than 1, k≤p) with low redundancy from the p candidate paths; and setting one path from the k paths according to a path change timing.. ... Electronics And Telecommunications Research

07/26/18 / #20180212843

Cloud system for supporting big data process and operation method thereof

A cloud system for a big data process, and an operation method thereof. A cloud operation method of processing big data includes: receiving a cluster rule; monitoring a cluster resource and a cluster task; adding a cluster resource based on the cluster rule and a cluster resource monitoring value; and replicating a cluster based on a cluster rule and a cluster task monitoring value, wherein the cluster rule may include at least one of a resource assignment threshold value, a resource amount to be assigned, a task threshold value, and a number of replicated clusters.. ... Electronics And Telecommunications Research

07/26/18 / #20180212795

Distributed file system using torus network and method for operating the same

Disclosed herein is a distributed file system using a torus network. The distributed file system includes multiple servers. ... Electronics And Telecommunications Research

07/26/18 / #20180212619

Continuous delta-sigma modulator for supporting multi-mode

A delta-sigma modulator may comprise a loop filter for integrating and outputting a difference between an input signal and an analog signal; a quantizer for quantizing and outputting a signal output from the loop filter; and a digital-to-analog converter (dac) for outputting the analog signal by digital-to-analog converting a signal output from the quantizer. Also, the loop filter may comprise an operational amplifier; and a circuit including at least one capacitor, at least one resistor, and at least one switch which are connected to the operational amplifier. ... Electronics And Telecommunications Research

07/26/18 / #20180211806

Electron emission source and method for fabricating the same

Provided is an electron emission source including a substrate, a fixed structure provided on the substrate, and an electron emission yarn provided between the substrate and the fixed structure. The fixed structure includes a first portion having a first width and a second portion having a second width greater than the first width, and the electron emission yarn extends on a first sidewall of the first portion of the fixed structure from between the fixed structure and the substrate.. ... Electronics And Telecommunications Research

07/26/18 / #20180211381

Method and device for generating 2d medical image based on plate interpolation

Provided is an operating method of a medical imaging device. The method includes receiving a 3d medical image, generating a 2d medical image from the 3d medical image based in a plate interpolation, and displaying the 2d medical image by using plate interpolation based weight information and interest region information.. ... Electronics And Telecommunications Research

07/26/18 / #20180211165

Neuromorphic arithmetic device

Provided is a neuromorphic arithmetic device. The neuromorphic arithmetic device may include a synapse circuit, a metal line having an inherent capacitance component, an oscillator, a comparator, and a capacitance calibrator. ... Electronics And Telecommunications Research

07/26/18 / #20180210930

Apparatus for visualizing data and method for using the same

An apparatus and method for visualizing data. The apparatus for visualizing data includes a behavior information collection unit for executing an application from which information is to be collected and collecting behavior information from a process of the executed application, a behavior feature extraction unit for extracting behavior features in an order in which the behavior information is called, a behavior sequence generation unit for generating a behavior sequence by arranging the behavior features in chronological order, and a behavior sequence visualization unit for visualizing the behavior sequence as a 3d sequence object.. ... Electronics And Telecommunications Research

07/26/18 / #20180210890

Apparatus and method for providing content map service using story graph of video content and user structure query

The present invention relates to an apparatus and method for providing a content map service using a story graph of video content and a user structure query. The apparatus according to an embodiment of the present includes: a story graph generating apparatus configured to extract video entities contained in video content and entity relations between the entities, and generate a story graph on the basis of the extracted entity relations; a story graph database configured to store the generated story graph; a structure query input apparatus configured to receive a user structure query in the form of a graph; a story graph matching apparatus configured to calculate a similarity between the story graph and the input user structure query from a similar sub-structure, and select a matching video on the basis of the calculated similarity; and a visualization apparatus configured to visualize the input user structure query and the video matching the user structure query in the story graph and provide a visualization result to a user.. ... Electronics And Telecommunications Research

07/19/18 / #20180205770

Infrastructure apparatus and method of providing collaboration between thing devices

Provided are an infrastructure apparatus and method of providing collaboration between thing devices. Since a plurality of thing devices located in a specific space share an experience where the plurality of thing devices have performed a collaboration service, each of the thing devices may search for peripheral thing devices for performing the collaboration service without intervention of a center server and may generate a collaboration group including the found thing devices, and tasks for performing through negotiation may be autonomously distributed to the thing devices included in the collaboration group, thereby providing autonomous collaboration between the thing devices.. ... Electronics And Telecommunications Research

07/19/18 / #20180205635

File access path selection method for torus network-based distributed file system and apparatus for the same

Disclosed herein are a torus network-based file access path selection method for a distributed file system and an apparatus for the method. The file access path selection method includes acquiring, by a client, layout information about a file desired to be accessed, searching multiple data servers for an object data server based on the layout information, and determining a file access pattern based on a file access location and a size of the file, and setting any one of a shortest path for accessing the object data server and a secondary path having a hop count increased by one hop from that of the shortest path, as an access path to the object data server in consideration of the file access pattern and a bandwidth utilization rate for a network address located on the shortest path.. ... Electronics And Telecommunications Research

07/19/18 / #20180205613

Method for automatically allocating ip address for distributed storage system in large-scale torus network and apparatus using the same

Disclosed herein are a method for automatically allocating ip addresses for a distributed storage system in a large-scale torus network and an apparatus for the method. The method for automatically allocating ip addresses includes acquiring neighboring-node information from multiple storage nodes that constitute the system; generating torus network topology for the multiple storage nodes by combining the neighboring-node information; generating ip address information through which a position of each of the multiple storage nodes in a structure corresponding to the torus network topology can be identified; and allocating ip addresses to the multiple storage nodes by delivering the ip address information to the multiple storage nodes.. ... Electronics And Telecommunications Research

07/19/18 / #20180205582

Method for data modulation in wireless communication system and apparatus for the same

A data modulation apparatus may comprise a s2d conversion part including a first amplifier operating based on a carrier wave signal and two transformers receiving an output signal of the first amplifier; a first switch part transferring status of input data to the first amplifier based on the input data; a differential amplification part receiving output signals of the s2d conversion part and amplifying the output signals of the s2d conversion part; a d2s conversion part receiving output signals of the differential amplification part and performing modulation on the output signals by converting the output signals to a single signal; and a second switch part transferring the output signals of the differential amplification part to the d2s conversion part based on the input data. Here, the first switch part and the second switch part may be alternately turned on and off.. ... Electronics And Telecommunications Research

07/19/18 / #20180205578

Method and apparatus for iterative interference cancellation and channel estimation of system based on ftn communication including pilot

Disclosed herein are a method and apparatus for iterative interference cancellation and channel estimation in a system based on ftn communication including a pilot. Interference of a pilot symbol on a data symbol is estimated, and the estimated interference is eliminated from a sequence of data symbols. ... Electronics And Telecommunications Research

07/19/18 / #20180205200

Distributed bragg reflector tunable laser diode

Provided is a distributed bragg reflector tunable laser diode including a substrate provided with a gain section having an active waveguide from which a gain of laser light is obtained and a distributed reflector section having a passive waveguide connected to the active waveguide, wherein the distributed reflector section includes gratings disposed on or under the passive waveguide, a current injection electrode disposed on the passive waveguide and configured to provide a current into the passive waveguide to electrically tune a wavelength of the laser light, and a heater electrode disposed on the current injection electrode and configured to heat the passive waveguide to thermally tune the wavelength of the laser light, wherein the gratings, the current injection electrode, and the heater electrode vertically overlap each other.. . ... Electronics And Telecommunications Research

07/19/18 / #20180205199

Optical apparatus, manufacturing method of distributed bragg reflector laser diode and manufacturing method of optical apparatus

Provided are an optical apparatus, a manufacturing method of a distributed bragg reflector laser diode, and a manufacturing method of the optical apparatus, the an optical apparatus including a cooling device, a distributed bragg reflector laser diode having a lower clad including a recess region on one side of the cooling device and connected to another side of the cooling device, and an air gap between the cooling device and the distributed bragg reflector laser diode, wherein the air gap is defined by a bottom surface of the lower clad in the recess region and a top surface of the cooling device. . ... Electronics And Telecommunications Research

07/19/18 / #20180204110

Compressed neural network system using sparse parameters and design method thereof

Provided is a design method of a compressed neural network system. The method includes generating a compressed neural network based on an original neural network model, analyzing a sparse weight among kernel parameters of the compressed neural network, calculating a maximum possible calculation throughput on a target hardware platform according to a sparse property of the sparse weight, calculating a calculation throughput with respect to access to an external memory on the target hardware platform according to the sparse property, and determining a design parameter on the target hardware platform by referring the maximum possible calculation throughput and the calculation throughput with respect to access.. ... Electronics And Telecommunications Research

07/19/18 / #20180203950

Method for providing parameter for coil design and apparatus using the same

Disclosed herein are a method for providing a parameter for coil design and an apparatus for the same. The method includes receiving a magnetic field parameter value for an arbitrary coil from a user; determining whether there is a constraint on each of an electrical parameter group and a geometric parameter group; when it is determined that there is a constraint on any one of the two groups, setting a parameter range for a second parameter group on which there is no constraint based on a fixed parameter set of a first parameter group on which there is a constraint; and selecting a final parameter set of the second parameter group for satisfying the magnetic field parameter value within the parameter range and outputting parameter values of the fixed parameter set and the final parameter set to the user.. ... Electronics And Telecommunications Research

07/19/18 / #20180203896

Method and apparatus for processing query

A method and an apparatus for processing a query are disclosed. When the query is input, in a case in which partitions are present in a data table, a partition corresponding to the input query is selected, and in a case in which one or more partition column sets are present in the selected partition, one or more partition column sets corresponding to the input query are selected, and the query is processed for the selected partition column sets.. ... Electronics And Telecommunications Research

07/19/18 / #20180203875

Method for extending and shrinking volume for distributed file system based on torus network and apparatus using the same

Disclosed herein are a method for extending and shrinking a volume of a distributed file system based on a torus network and an apparatus for the same. The method for extending a volume includes searching for a volume neighboring a target volume, the extension of which is requested; determining a direction in which a data server is to be added in consideration of whether the neighboring volume is to be extended; searching for multiple candidate data servers in the direction in which a data server is to be added based on the target volume; and adding any one of the multiple candidate data servers to the target volume in consideration of at least one of a server state and a network communication cost.. ... Electronics And Telecommunications Research

07/19/18 / #20180203855

System for creating interactive media and method of operating the same

A technology for allowing anyone to easily create interactive media capable of easily recognizing a user interaction by using a stored image is provided. A system according to the present invention includes an image reconstruction server, an image ontology, and an image repository. ... Electronics And Telecommunications Research

07/19/18 / #20180202973

Method for scanning multilayer material using magnetism and apparatus using the same

Disclosed herein are a method and apparatus for scanning a multilayer material using magnetism. The apparatus for scanning a multilayer material includes at least one measurement head for exciting a mixed magnetic field on a multilayer specimen using at least one excitation solenoid coil and detecting detection signals from the multilayer specimen using a detection solenoid coil, a movement controller for moving any one of the at least one measurement head and a stage on which the multilayer specimen is placed in order to detect detection signals for all parts of the multilayer specimen, and a signal controller for generating two excitation signals having different frequencies in order to generate the mixed magnetic field and for generating a scanning result for the multilayer specimen by collecting the detection signals.. ... Electronics And Telecommunications Research

07/12/18 / #20180199118

Photonic frame switching system determining moment of transmitting photonic frame based on time used for changing wavelength of tunable laser diode

A photonic frame switching system may include a main controller and at least one photonic frame wrapper line card. The main controller may determine a point in time at which a photonic frame wrapper line card transmits a photonic frame by allocating a time slot to the photonic frame wrapper line card. ... Electronics And Telecommunications Research

07/12/18 / #20180198794

Apparatus and system for managing transaction information of public organization using blockchain technology

A transaction information managing system including a plurality of servers and at least one third-party server, wherein the plurality of servers are configured to create, when transactions using the budget of the public organization occurs, a block based on transaction information of the transactions, add the block to the block chain, and share the block chain and the at least one third-party server is configured to perform a mathematical operation to enhance the reliability of the block chain, and a method for managing the transaction information are provided.. . ... Electronics And Telecommunications Research

07/12/18 / #20180198618

Apparatus and method for providing secure execution environment for mobile cloud

Disclosed herein are an apparatus and method for providing a secure execution environment for a mobile cloud. The apparatus for providing a secure execution environment includes a general execution unit for, when a request for service execution is received, generating authentication information, transmitting the authentication information to a cloud server, and receiving a security key required for secure communication from the cloud server, and a secure execution unit for verifying the security key received from the general execution unit and performing secure communication with the cloud server by running a service execution monitor when verification succeeds, wherein the general execution unit is configured to transmit the authentication information, including general authentication information corresponding to the general execution unit and secure authentication information received from the secure execution unit, to the cloud server, thus allowing the cloud server to verify the general execution unit and the secure execution unit.. ... Electronics And Telecommunications Research

07/12/18 / #20180198539

Communication method for low latency services in xhaul network

An operation method of a relay base station in a communication network including a central base station, the relay base station, and a terminal may comprise receiving a request message for requesting a low latency service from the terminal; in response to the request message, measuring a signal quality of a radio link between the central base station and the relay station and a signal quality of a radio link between the relay base station and the terminal; determining whether to support the low latency service based on the signal qualities; and when the low latency service is determined to be supported, transmitting downlink data received from the central base station to the terminal without performing modulation and demodulation operations, or transmitting uplink data received from the terminal to the central base station without performing modulation and demodulation operations.. . ... Electronics And Telecommunications Research

07/12/18 / #20180197320

Apparatus and method for processing information of multiple cameras

Disclosed is an apparatus and method for processing information of multiple cameras. The apparatus for processing information of multiple cameras according to an embodiment of the present disclosure includes: multiple cameras obtaining an image containing at least one object; a location information identification unit identifying location information between the at least one object and one of the multiple cameras, the location information identification unit being provided in each of the multiple cameras, wherein the location information comprises a device identifier identifying the location information identification unit and a location data between the at least one object and one of the multiple cameras; and an image processor processing image information obtained from the multiple cameras by using the location information received from the location information identification unit and converting the device identifier received from the location information identification unit into an object identifier identifying the at least one object.. ... Electronics And Telecommunications Research

07/12/18 / #20180197315

Computed tomography device and computed tomography image correction method using the same

Provided are a computed tomography device and a computed tomography method. The computed tomography device includes a gantry and an image processing processor. ... Electronics And Telecommunications Research

07/12/18 / #20180197295

Method and apparatus for accelerating foreground and background separation in object detection using stereo camera

Provided is a method of separating a foreground and a background by extracting a depth image through a stereo camera, generating an occupancy grid map on the basis of the depth image, predicting a free space, and computing a membership value, the method including setting a threshold value of a foreground object existing in a free space boundary region of the predicted free space, determining whether the membership value reaches the threshold value of the foreground object while the membership value is computed, terminating the computing of the membership value when it is determined that the membership value being computed reaches the threshold value of the foreground object in the determining, and separating a foreground and a background through the computed membership value.. . ... Electronics And Telecommunications Research

07/12/18 / #20180197084

Convolutional neural network system having binary parameter and operation method thereof

Provided is a convolutional neural network system. The system includes an input buffer configured to store an input feature, a parameter buffer configured to store a learning parameter, a calculation unit configured to perform a convolution layer calculation or a fully connected layer calculation by using the input feature provided from the input buffer and the learning parameter provided from the parameter buffer, and an output buffer configured to store an output feature outputted from the calculation unit and output the stored output feature to the outside. ... Electronics And Telecommunications Research

07/12/18 / #20180196271

Light modulation system and light source illumination device thereof

Disclosed is a light modulation system and a light source illumination device thereof. The light modulation system may include: a first diffractive optical element for expanding optical beams from a light source; an optical waveguide for performing total internal reflection of the expanded optical beams and transmitting resultant optical beams; a second diffractive optical element for modifying an angle of the transmitted optical beams; and a digital micro-mirror device for modulating the angle-modified optical beams.. ... Electronics And Telecommunications Research

07/05/18 / #20180192377

Power saving method in wireless communication system

A method and apparatus of accessing a channel in a wireless local area network is provided. A destination station receives a request to send (rts) frame to allocate a network allocation vector from a source station over a first bandwidth and transmits a clear to send (cts) frame over a second bandwidth to the source station in response to the rts frame. ... Electronics And Telecommunications Research

07/05/18 / #20180192342

Method for configuring mass mobile backhaul, transmission method and apparatus for mass mobile backhaul, and handover method and apparatus for mass mobile backhaul

A transmission method of a mobile station moved in a region of a cell provided by a base station and providing a wireless lan (local area network). The mobile station receives a plurality of uplink packet flows from a terminal. ... Electronics And Telecommunications Research

07/05/18 / #20180192271

Method and apparatus for transmitting downlink data and uplink data in nb-iot system

A method for transmitting downlink by a network node. The network node creates downlink data for a terminal which is in a radio resource control (rrc) idle state. ... Electronics And Telecommunications Research

07/05/18 / #20180192254

Broadcast signal frame generating apparatus and broadcast signal frame generating method using layered division multiplexing

An apparatus and method for broadcast signal frame using layered division multiplexing are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling, start position information of physical layer pipes (plps) and time interleaver information shared by the core layer signal and the enhanced layer signal.. ... Electronics And Telecommunications Research

07/05/18 / #20180191761

Method and apparatus for detecting cyberthreats through correlation analysis

Disclosed is a method for detecting a cyberthreat through correlation analysis of security events, which includes extracting a false-positive data set by extracting, from source data, information about security events occurring during a predetermined time period based on a time at which erroneous detection occurred; extracting a true-positive data set by extracting, from the source data, information about security events occurring during the predetermined time period based on a time at which an intrusion threat was correctly detected; extracting a current data set by extracting information about security events occurring during the predetermined time period from data to be analyzed; generating event coincidence statistics by extracting a frequency of each security event in the respective data sets and by compiling statistics thereon; generating an event vector based on the event coincidence statistics; and performing intrusion threat detection through a vector space model based on the event vector.. . ... Electronics And Telecommunications Research

07/05/18 / #20180191734

System for providing health information having authentication data and operating method thereof

Provided are a system for providing health information with authentication data and an operation method thereof. The system for providing health information includes a storage device, a data combination device, and a data authentication device. ... Electronics And Telecommunications Research

07/05/18 / #20180191671

Structure of interface identifier (iid) of internet protocol version 6 (ipv6) address, method of defining iid, and communication device for performing the same

A structure of an interface identifier (bd) of an internet protocol version 6 (ipv6) address, a method of defining the bd and a communication device for performing the method are provided. The structure of the bd may include a “u” bit indicating a uniqueness of the ipv6 address, and fffe16 bits located in a central portion of the bd.. ... Electronics And Telecommunications Research

07/05/18 / #20180191458

Apparatus and method for preventing information leakage

An apparatus and a method for preventing an information leakage. The apparatus for preventing the information leakage includes a shielding signal pattern generation unit configured to generate a shielding signal pattern including a radiation band and a radiation suppression band; a shielding signal generation unit configured to generate an electromagnetic leakage shielding signal corresponding to an orthogonal frequency division multiplexing (ofdm) scheme by using the shielding signal pattern; a signal amplification unit configured to amplify a transmitting power of the electromagnetic leakage shielding signal; and an antenna unit configured to transmit the amplified electromagnetic leakage shielding signal.. ... Electronics And Telecommunications Research

07/05/18 / #20180191379

Modulator and modulation method using non-uniform 16-symbol signal constellation for low-density parity check codeword having 4/15 code rate

A modulator and a modulation method using a non-uniform 16-symbol signal constellation are disclosed. The modulator includes a memory and a processor. ... Electronics And Telecommunications Research

07/05/18 / #20180191378

Low density parity check encoder having length of 64800 and code rate of 5/15, and low density parity check encoding method using the same

A low density parity check (ldpc) encoder, an ldpc decoder, and an ldpc encoding method are disclosed. The ldpc encoder includes first memory, second memory, and a processor. ... Electronics And Telecommunications Research

07/05/18 / #20180191037

Battery module and electronic device including the same

Provided is a battery module and an electronic device, the battery module including a first battery, a second battery, a correcting element unit, and a battery controller, wherein the first battery includes a first internal resistance and provides a first current, the second battery is connected to the first battery, includes a second internal resistance and provides a second current, the correction element unit is connected to the first battery or the second battery and includes a variable resistor or a current source, the battery controller controls the correction element unit such that the first current is identical to the second current on a basis of a difference between values of the first internal resistance and the second internal resistance, and therefore performances of the first battery and the second battery are prevented from being deteriorated.. . ... Electronics And Telecommunications Research

07/05/18 / #20180190949

Organic light-emitting device and method of manufacturing the same

An organic light-emitting device includes a substrate, a bottom electrode on the substrate, an organic light-emitting layer on the bottom electrode, and a top electrode on the organic light-emitting layer, wherein the top electrode includes a first electrode part, a grid-shaped or plate-shaped second electrode part on the first electrode part, and an adhesive layer on the second electrode part.. . ... Electronics And Telecommunications Research

07/05/18 / #20180190466

Electron emission source and x-ray generator using the same

An electron emission source includes a cathode electrode having a recess region formed in an upper portion thereof and the yarn emitter having a tip shape and provided in the recess region of the cathode electrode. The yarn emitter is spaced from an inner surface of the recess region of the cathode electrode.. ... Electronics And Telecommunications Research

07/05/18 / #20180189679

Self-learning system and method for automatically performing machine learning

Provided are a self-learning system and method for automatically performing machine learning (ml). The self-learning system includes a memory configured to store an ml knowledge database (db) in which ml knowledge is stored and a program for automatically performing ml based on request information of a user, and a processor configured to execute the program stored in the memory. ... Electronics And Telecommunications Research

07/05/18 / #20180189655

Data meta-scaling apparatus and method for continuous learning

Provided is a data meta-scaling method. The data meta-scaling method optimizes an abbreviation criterion for abbreviating data through continuous knowledge augmentation in various dimensions which enable expression of data in a process of performing machine learning.. ... Electronics And Telecommunications Research

07/05/18 / #20180189643

Convolution circuit, application processor including the same, and operating method thereof

Provided is an operation method of a convolution circuit. The method includes receiving input feature maps, generating output feature maps corresponding to the respective input feature maps through convolution operations for performing parallel processing with a kernel unit, and outputting the output feature maps to an external memory.. ... Electronics And Telecommunications Research

07/05/18 / #20180189596

Machine learning method and apparatus

A machine learning method for learning how to form bounding boxes, performed by a machine learning apparatus, includes extracting learning images including a target object among a plurality of learning images included in a learning database, generating additional learning images in which the target object is rotated from the learning images including the target object, and updating the learning database using the additional learning images.. . ... Electronics And Telecommunications Research

07/05/18 / #20180189571

Method and apparatus for determining signature actor and identifying video based on probability of appearance of signature actor

A signature actor determination method for video identification includes setting a list of actors who appear in each of a plurality of videos, generating a plurality of subsets including the actors, and determining that an actor included in a single final set indicating a first video among the plurality of subsets is a signature actor of the first video. Accordingly, video identification is possible by using just a little information.. ... Electronics And Telecommunications Research

07/05/18 / #20180189500

Wearable device and data security method thereof

Provided is an operating method of a wearable device, the method including setting a threshold voltage when there is not a physical contact of an outsider, measuring an envelope voltage while performing a data communication, determining whether to be the physical contact with the outsider by comparing the threshold voltage with the envelope voltage, and stopping the data communication, when there is the physical contact with the outsider.. . ... Electronics And Telecommunications Research

07/05/18 / #20180188788

Method for managing power for power failure prevention based on smart plug and apparatus using the same

Disclosed herein are a smart plug-based power management method for preventing a power failure and an apparatus for the method. The power management method includes acquiring load amount information for each of multiple loads corresponding to power management targets, checking a maximum amount of power that is capable of being generated by a solar power generator, setting a power supply mode based on at least one of whether power is being supplied from a power system and a result of a comparison of the load amount information with the maximum amount of power, and performing power management so as to prevent a power failure by interrupting a supply of power so as to correspond to the power supply mode based on multiple smart plugs for controlling corresponding ones of the multiple loads.. ... Electronics And Telecommunications Research

07/05/18 / #20180188686

Method and apparatus for hologram resolution transformation

A method and an apparatus for hologram resolution transformation are disclosed. A number of pixels for zero padding for an original hologram of a first resolution is calculated based on a wavelength and an imaging distance, and the zero padding is performed on the original hologram of the first resolution based on the number of pixels to obtain the original hologram of a second resolution. ... Electronics And Telecommunications Research

07/05/18 / #20180188303

Gigahertz transverse electromagnetic (gtem) cell for measuring insertion loss and insertion loss measurement method using the gtem cell

Provided is a gigahertz transverse electromagnetic (gtem) cell for measuring an insertion loss and an insertion loss measurement method using the gtem cell. The gtem cell may include an output port configured to measure an insertion loss of a test object occurring when an electromagnetic field having specific intensity is applied to the test object, and may measure the insertion loss of the test object from the gtem cell based on a change in the intensity of the electromagnetic field measured using the output port.. ... Electronics And Telecommunications Research

07/05/18 / #20180188238

Biosensor

Provided is a biosensor including a capillary unit having a capillary channel therein and a reagent disposed in the capillary channel, the reagent being configured to develop colors in a sample, and a measuring unit configured to measure a degree of color development of the sample in the capillary channel.. . ... Electronics And Telecommunications Research

06/28/18 / #20180184335

Communication method and frame structure for a coordinator device, source device and relay device in a wireless system

Provided is a communication method of a coordinator in a wireless networks system that uses a reservation-based media access control (mac). The communication method includes receiving, from a source device, a frame that requests a reservation resource for a relay device, to enable a frame that the source device transmits to a destination device to be relayed via the relay device, and allocating the reservation resource for the relay device, in response to the request.. ... Electronics And Telecommunications Research

06/28/18 / #20180181374

Apparatus and method for modular multiplication

An apparatus and method for modular multiplication. The modular multiplication apparatus includes a first operation unit for performing a first operation based on a structure of at least one of a serial multiplier and a serial squarer-based multiplier; a second operation unit for performing a second operation based on a structure of at least one of the serial multiplier and the serial squarer-based multiplier; an adder unit for outputting the sum of results of the first operation and the second operation, inputting an intermediate value stream to the first input unit, which calculates the product of the intermediate value stream and a zeta parameter, and outputting a high-order term as a result of montgomery modular multiplication, wherein the first and second operation units output a result in digit-serial format in order from the least significant digit to the most significant digit.. ... Electronics And Telecommunications Research

06/21/18 / #20180177027

Switch for controlling lighting using magnetic sensing and touch sensing and method using the same

Disclosed herein are a lighting control switch using magnetic sensing and touch sensing and a method using the lighting control switch. The lighting control switch includes a magnetic sensing module for generating a magnetic sensing signal by sensing a magnetic signal that is generated in order to control a lighting device, a touch-sensing module for generating a touch-sensing signal by sensing a touch signal that is generated in order to control the lighting device, and a control unit for receiving the magnetic signal and the touch signal based on logic control in response to generation of at least one of the magnetic sensing signal and the touch-sensing signal and controlling the lighting device by generating a control signal in consideration of the magnetic signal and the touch signal.. ... Electronics And Telecommunications Research

06/21/18 / #20180176911

Transmission method and apparatus using shared timeslot and broadcast, and firmware update method and apparatus using the same

A network managing apparatus and a transmission method thereof are provided. The transmission method includes: broadcasting a plurality of packets using a plurality of shared timeslots shared by a plurality of network nodes for downlink communication and a base channel; determining one or more missed packets that are not received by the plurality of network nodes among the plurality of packets; determining a distributor that is to transmit the one or more missed packets and a distribution timeslot and a distribution channel for transmission of the one or more missed packets; and broadcasting transmission schedule information including information on the distributor and information on the distribution timeslot and the distribution channel using the base channel.. ... Electronics And Telecommunications Research

06/21/18 / #20180176637

Apparatus and method for retransmitting advanced television systems committee (atsc) 3.0 digital tv broadcast

Provided are an apparatus for retransmitting an advanced television systems committee (atsc) 3.0 digital tv broadcast and methods of the same, the apparatus including a receiver configured to selectively receive at least one of an atsc 3.0 based digital broadcast signal and an atsc 3.0 based internet protocol (ip) packet input through a first network, a controller configured to generate a moving picture experts group-2 transport stream (mpeg-2 ts) packet by converting audio/video (a/v) packets and signaling information to be received at a second network based on an output signal of the receiver, and extract and provide broadcast program information for a system information (si) system of a digital broadcast headend to generate an si table related to a broadcast program converted to mpeg-2 ts, and a transmitter configured to transmit broadcast data to which the mpeg-2 ts packet is converted and the broadcast program information through the second network.. . ... Electronics And Telecommunications Research

06/21/18 / #20180175975

Operating method of communication node in network supporting licensed and unlicensed bands

An operating method of a communication node in a network supporting licensed and unlicensed bands is disclosed. An operation method of a base station comprises the steps of: transmitting a pdsch to a ue in an unlicensed band; receiving an harq response to the pdsch from the ue; and determining a size of a cw on the basis of a proportion of nacks in harq responses. ... Electronics And Telecommunications Research

06/21/18 / #20180175917

Method and apparatus for transmitting and receiving data in a mimo system

The present invention relates to a method and apparatus for transmitting and receiving data. A data transmission method from a sender terminal to a receiver terminal in a mimo system using a variable frequency band according to one embodiment of the present invention comprises: repeatedly generating a signal field depending on a frequency band that is applied to the transmission of a data frame; generating a data field including the data; generating a data frame including the signal field and the data field; and transmitting the data frame to the receiver terminal. ... Electronics And Telecommunications Research

06/21/18 / #20180174006

Apparatus and method for generating 2d barcode and apparatus for extracting 2d barcode information

An apparatus and method for generating a two-dimensional (2d) barcode and an apparatus for extracting 2d barcode information. The apparatus for generating a 2d barcode includes a metadata creation unit for creating metadata corresponding to insertion data and a 2d barcode, a data conversion unit for generating data blocks by converting the insertion data based on the metadata, a pattern generation unit for generating metadata patterns and data block patterns by substituting respective predefined symbols for the metadata and the data blocks, and a 2d barcode generation unit for generating a 2d barcode that contains distortion correction patterns, the metadata patterns, and the data block patterns.. ... Electronics And Telecommunications Research

06/14/18 / #20180167982

Access control method and apparatus based on service level

An operation method of a server in a communication network includes receiving a connection request message from each of a plurality of gateways connected to the server; identifying a service level of a terminal that has transmitted the connection request message based on information included in the connection request message; selecting a first gateway corresponding to the service level among the plurality of gateways as a gateway to which the terminal is to be connected; and transmitting a connection approval message, which is a response to the connection request message, to the terminal through the first gateway.. . ... Electronics And Telecommunications Research

06/14/18 / #20180167973

Method for controlling wireless communication network and server therefor

A method of controlling a wireless communication network, performed by a server, includes determining neighbor base stations adjacent to a target base station based on a connection relationship between a plurality of base stations; setting at least two reference base stations based on hop distances between the neighbor base stations; grouping terminals connected to the target base station into at least two groups based on information of the at least two reference base stations, and allocating a different time resource to each of the at least two groups.. . ... Electronics And Telecommunications Research

06/14/18 / #20180167969

Channel allocation system and method for accomodating multiple nodes in sensor network

A channel allocation system for accommodating a plurality of nodes in a sensor network includes a pan coordinator generating channel allocation information and csma idle information and transmitting a beacon including the channel allocation information and the csma idle information; and at least one node receiving the beacon, determining whether the contention period is in idle state based on the extracted channel allocation information and the csma idle information, determine a transmission time, an operation state in a reception interval, how to process received data by determining whether a channel is allocated based on whether the contention period is in idle state, and operating according to the determination result.. . ... Electronics And Telecommunications Research

06/14/18 / #20180167902

Apparatus and method for detecting upstream rf signals based on preamble, and apparatus for cable broadcasting using the same

Disclosed herein are an apparatus and method for detecting an upstream rf signal based on a preamble. The apparatus for detecting an upstream rf signal based on a preamble includes an analog-to-digital converter unit for receiving an rf analog signal and converting the same into an rf digital signal; a down-converter unit for converting the rf digital signal into a baseband digital signal; a packet detection unit for performing packet detection by performing an operation on the baseband digital signal and preset differential preamble signals; and a timing calculation unit for generating timing information of a terminal device based on the baseband digital signal and time information generated through the packet detection.. ... Electronics And Telecommunications Research

06/14/18 / #20180167599

Apparatus and method for generating image of arbitrary viewpoint using camera array and multi-focus image

An arbitrary viewpoint image generation method includes obtaining an original image set photographed by a plurality of cameras included in a camera array at each of at least one focal distance at a same time point; obtaining a multi-focus image set by generating a multi-focus image from the original image set for each of the at least one focal distance; and generating an arbitrary viewpoint image at a position where a viewpoint is to be moved from the multi-focus image set.. . ... Electronics And Telecommunications Research








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