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Electronics And Telecommunications Research Instit Ute patents


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

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


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 Instit Ute

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 Instit Ute

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 Instit Ute

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 Instit Ute

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 Instit Ute

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 Instit Ute

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 Instit Ute

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 Instit Ute

Image encoding/decoding method and device

Disclosed are a method and an apparatus for image encoding/decoding that support a plurality of layers. The method for image decoding that supports a plurality of layers includes decoding information of a first layer which a picture of a second layer including a current decoding target block refers to; mapping the information of the first layer to a picture size of the second layer, configuring a reference picture list for the picture of the second layer by adding the mapped information of the first layer and generating prediction samples of the current decoding target block by predicting the current decoding target block of the second layer based on the reference picture list, and the information of the first layer includes at least one of a sample value and motion information of the first layer picture.. ... Electronics And Telecommunications Research Instit Ute

Network synchronization apparatus and method of time division multiple access (tdma)-based mesh network satellite communication system

Disclosed is a network synchronization apparatus and method of a time division multiple access (tdma)-based mesh network satellite communication system, the network synchronization method of a terminal in a satellite communication system including receiving timing error information from a central station, generating a mesh superframe start time (sst′) by reversing a sign of the timing error information, and receiving traffic information transmitted by a transmission terminal using the mesh sst′.. . ... Electronics And Telecommunications Research Instit Ute

Channel access method in unmanned aerial vehicle (uav) control and non-payload communication (cnpc) system

A channel access method in an unmanned aerial vehicle (uav) control and non-payload communication (cnpc) system is provided. The channel access method may include setting an uplink frequency and a downlink frequency to each of a ground station and an airborne radio station, and performing, by the ground station and the airborne radio station, an initial access using the uplink frequency or the downlink frequency.. ... Electronics And Telecommunications Research Instit Ute

Operation method of communication node supporting mobility in communication network

An operation method of a first communication node, which controls a plurality of communication nodes included in a mobile xhaul network supporting mobility, may comprise performing an attach procedure between the first communication node and a second communication node among the plurality of communication nodes; configuring a path for communications between the second communication node and a third communication node for which attach procedure has been completed among the plurality of communication nodes; and supporting communications of the second communication node and the third communication node using the configured path.. . ... Electronics And Telecommunications Research Instit Ute

Radio frequency low-loss power divider/combiner and power amplifier including the same

Disclosed is a radio frequency low-loss power divider/combiner and power amplifier including the same, the power divider/combiner including a waveguide and a converter configured to convert an input signal received from an input signal terminal into a plurality of output signals and output the plurality of output signals to a plurality of output signal terminals corresponding to the plurality of output signals through the waveguide, wherein the waveguide includes the converter.. . ... Electronics And Telecommunications Research Instit Ute

Device and method for detecting optical signal

Provided is a device and method for detecting an optical signal. The optical signal detecting device may include an optical de-multiplexer configured to de-multiplex an input optical signal to optical signals of different wavelengths; an optical coupling lens configured to allow the optical signals of different wavelengths to be incident; an optical signal reflector configured to reflect the optical signals of different wavelengths emitted from the optical couple lens; and an optical detector configured to detect the reflected optical signals of different wavelengths.. ... Electronics And Telecommunications Research Instit Ute

03/22/18 / #20180083608

Voltage comparator, voltage comparison method of the same, and reset method of the same

A voltage comparator comparing a voltage of a first input signal and a voltage of a second input signal is provided. The voltage comparator includes: a first switch pair transmitting, respectively, the first input signal and the second input signal to a control terminal of a first transistor and a control terminal of a second transistor in response to a clock signal; a second switch pair connecting a first terminal and a second terminal of the first transistor and connecting a first terminal and a second terminal of the second transistor in response to at least one of the clock signal and a reset signal; and a first reset switch connecting the control terminal of the first transistor and the control terminal of the second transistor in response to the reset signal.. ... Electronics And Telecommunications Research Instit Ute

03/08/18 / #20180070441

Electromagnetic bandgap structure and method for manufacturing the same

Disclosed are an electromagnetic bandgap structure and a method for manufacturing the same. The electromagnetic bandgap structure includes a ground layer, a middle layer configured to include one or more patches, and to face the ground layer with a first dielectric layer interposed between the middle layer and the ground layer, wherein the first dielectric layer is stacked on a top of the ground layer, and a power layer configured to face the middle layer with a second dielectric layer interposed between the power layer and the middle layer, wherein the second dielectric layer is stacked on a top of the patches, wherein the patches and the power layer are electrically connected to each other through a via.. ... Electronics And Telecommunications Research Instit Ute

03/01/18 / #20180062143

Lithium battery electrode and method of manufacturing the same

A lithium battery according to the inventive concept may comprise a cathode, an anode separated from the cathode, a first separator disposed between the cathode and the anode, the first separator having first pores, a second separator disposed on the first separator, the second separator having second pores, and an electrolyte filling a gap between the cathode and the anode. Diameters of the second pores may be smaller than those of the first pores. ... Electronics And Telecommunications Research Instit Ute

02/01/18 / #20180030618

Electro spinning apparatus

An electro spinning apparatus according to embodiments of the inventive concept includes a nozzle unit discharging nano fiber on a substrate, and an alignment device having the substrate disposed thereon and aligning the nano fiber, wherein the alignment device includes a body and an angle adjustment unit adjusting an angle formed by a straight line connecting two electrodes disposed to face each other among the electrodes and the substrate.. . ... Electronics And Telecommunications Research Instit Ute

01/25/18 / #20180027593

Method and apparatus for random access in wireless communication

A method, a terminal, and a base station for performing random access by receiving additional random access information from the base station after connecting to the base station, selecting a random access preamble based on the additional random access information, and performing the random access by using the selected random access preamble is provided.. . ... Electronics And Telecommunications Research Instit Ute

01/25/18 / #20180026821

Broadcast signal frame generating apparatus and broadcast signal frame generating method using bootstrap and preamble

An apparatus and method for broadcast signal frame using a bootstrap and a preamble are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a time interleaver configured to generate a time-interleaved signal by performing interleaving on a bicm output signal; and a frame builder configured to generate a broadcast signal frame including a bootstrap and a preamble using the time-interleaved signal.. ... Electronics And Telecommunications Research Instit Ute

12/21/17 / #20170367054

Operation method of communication node supporting superposition transmission in cellular communication system

Disclosed are operation methods of communication nodes supporting superposition transmission in a cellular communication system. An operation method of a base station comprises dividing a transmission block used for communications in the communication system into a plurality of sub transmission blocks each of which includes at least one resource block; setting transmit power allocation coefficients respectively for the plurality of sub transmission blocks; and transmitting the transmission block to which a superimposed signal is mapped, the superimposed signal including information indicating a number of resource blocks included in each of the plurality of sub transmission blocks, information indicating the transmit power allocation coefficients, first data units for the first terminal, and second data units for the second terminal. ... Electronics And Telecommunications Research Instit Ute

12/07/17 / #20170353588

Broadcasting signal frame generation apparatus and method using layered divisional 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 time interleaver information shared by the core layer signal and the enhanced layer signal, using the time-interleaved signal.. ... Electronics And Telecommunications Research Instit Ute

11/09/17 / #20170324276

Method and apparatus for optimal resource allocation based on contribution margin ratio

A method and apparatus for optimally allocating resources of a provider according to a contribution margin ratio of a resource consumer in a distributed energy resource environment are described. An embodiment is a method for distributing energy resources in a distributed energy resource system. ... Electronics And Telecommunications Research Instit Ute

10/26/17 / #20170310528

Apparatus and method for transmitting and receiving signal based on qam constellation

A transmitting apparatus for modulating data based on a predetermined 2q-qam constellation and a receiving apparatus and method for demodulating a signal based on the predetermined 2q-qam constellation, wherein the last q-2 bits corresponding to a quadrant of the predetermined 2q-qam constellation are same with a gray code of a 2q-2-qam constellation, the last q-2 bits corresponding to the remaining quadrants of the predetermined 2q-qam constellation are determined by performing symmetric transformation for the last q-2 bits of the quadrant of the predetermined 2q-qam around the x-axis or the y-axis.. . ... Electronics And Telecommunications Research Instit Ute

10/12/17 / #20170293076

Phase error compensating apparatus

Provided is a phase error compensating apparatus. The phase error compensating apparatus may include a waveguide array disposed between a first free propagation region and a second free propagation region and configured to allow a light signal passed through the first free propagation region to move toward the second free propagation region, in which a length of each of the waveguides included in the waveguide array may be adjusted to compensate for a phase error of light signals passed through the waveguides.. ... Electronics And Telecommunications Research Instit Ute

09/14/17 / #20170261705

Opto-electronic system including optical input/output device

Disclosed are an optical input/output device and an opto-electronic system including the same. The device includes a bulk silicon substrate, at least one vertical-input light detection element monolithically integrated on a portion of the bulk silicon substrate, and at least one vertical-output light source element monolithically integrated on another portion of the bulk silicon substrate adjacent to the vertical-input light detection element. ... Electronics And Telecommunications Research Instit Ute

09/14/17 / #20170261371

Optical receiver and laser radar including the same

There are provided an optical receiver and a laser radar including the same. The optical receiver includes a plurality of optical detecting units configured to convert an optical signal reflected from a target into an electrical signal and to output the electrical signal, a signal combiner configured to combine output signals of the plurality of light detecting regions, a plurality of switches provided between the plurality of optical detecting units and the signal combiner, and a controller configured to control the plurality of switches so that the plurality of optical detecting units are selectively connected to the signal combiner based on whether the optical signal to reflected from the target is input. ... Electronics And Telecommunications Research Instit Ute

08/17/17 / #20170234695

Method and system for guiding route using smart signages

A route guidance method and system using smart signages is disclosed. The route guidance method may include obtaining user information of a user or an object from a first smart signage detecting an access of the user, searching a database for route information about a route to a stored destination corresponding to the user information, identifying a second smart signage being separate from the first smart signage by a distance in a direction of the destination among a plurality of smart signages being on the route of the route information, and extracting, from the route information, a partial route from the first smart signage to the second smart signage and providing the extracted partial route to the first smart signage.. ... Electronics And Telecommunications Research Instit Ute

07/13/17 / #20170202018

Radio channel access method and apparatus

Disclosed are a base station and a channel access method performing a channel access in a unlicensed band. The channel access method includes: performing channel sensing at least once on a channel of the unlicensed band in a channel sensing period of a frame; and broadcasting a reservation signal for the channel when the channel is empty.. ... Electronics And Telecommunications Research Instit Ute

06/08/17 / #20170164419

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 Instit Ute

06/08/17 / #20170162951

Method and apparatus for increasing channel capacity in line of sight environment

A multiple-input and multiple-output (mimo) communication method and apparatus is disclosed. The mimo communication method may include setting a target channel capacity between at least one transmitting antenna and at least one receiving antenna, calculating a current channel capacity between the transmitting antenna and the receiving antenna based on a transmission signal output from the transmitting antenna, and in response to the current channel capacity not meeting the target channel capacity, changing an arrangement or an attribute of the transmitting antenna or the receiving antenna to adjust the to transmission signal output from the transmitting antenna.. ... Electronics And Telecommunications Research Instit Ute

06/08/17 / #20170161486

Apparatus and method for api authentication using two api tokens

An application programming interface (api) authentication method using two api tokens which includes issuing a general api token and providing information required for a one-time api token to a user device; and in response to an api request from the user device, processing an api request according to a result of authentication based on the general api token and a one-time api token, which is generated using the information required for a one-time api token creation.. . ... Electronics And Telecommunications Research Instit Ute

06/01/17 / #20170156143

Device to device (d2d) communication method and apparatus

A first terminal generates a first scheduling request signal including information about first data resources for data transmission when the first terminal tries to reserve the first data resources. The first terminal generates a first scheduling request indication signal providing notification that the first scheduling request signal is to be transmitted. ... Electronics And Telecommunications Research Instit Ute

05/11/17 / #20170135099

Method and apparatus for configuring radio resource

Disclosed herein are a method and an apparatus for configuring a radio resource. In a wireless communication system, a radio resource is split into a plurality of radio resource slices corresponding to different service types and a radio source slice corresponding to a service type among a plurality of radio resource slices that a device requests is determined.. ... Electronics And Telecommunications Research Instit Ute

04/20/17 / #20170110693

Method of manufacturing organic light emitting diode with light-scattering layer

Provided is an organic light emitting diodes (oled) and method of manufacturing the oled. The oled includes: a substrate; a light scattering layer having an uneven shape on the substrate; a transparent electrode film provided directly on and in contact with the light scattering layer; an organic light emitting layer on the transparent electrode film; and an electrode on the organic light emitting layer. ... Electronics And Telecommunications Research Instit Ute

03/09/17 / #20170068111

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 Instit Ute

01/26/17 / #20170026111

Optical network unit and method for controlling the unit

Disclosed herein are an optical network unit and a method for controlling the unit. In a passive optical network system, an optical transceiver of the optical network unit performs a wavelength change of an optical signal according to a wavelength setting command transferred from a media access control (mac) unit and monitors a wavelength change state and reports the monitored wavelength change state to the mac unit. ... Electronics And Telecommunications Research Instit Ute

01/26/17 / #20170024890

Apparatus and method for measuring quality of holographic image

A method and apparatus for measuring a quality of a holographic image are provided. An image quality measuring method may include acquiring a first image including a holographic image in a background, and a second image that does not include a holographic image, the first image and the second image being on the same background, extracting a gray level value and a dark-noise counted level value from the first image in a selected range of the first image, extracting a gray level value and a dark-noise counted level value from the second image in the same range as the selected range of the first image, and determining a holographic contrast ratio (hcr) of the holographic image based on the extracted gray level values and the extracted dark-noise counted level values.. ... Electronics And Telecommunications Research Instit Ute








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