Patents Assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
  • Publication number: 20190308745
    Abstract: The present invention provides a method of controlling an unmanned aerial vehicle by a system for controlling a mission of the unmanned aerial vehicle on the basis of a user position. Herein the method includes acquiring information related to a position of the terminal; performing authentication for the unmanned aerial vehicle on the basis of the information related to the position of the terminal; and, when the authentication is completed, transmitting the information related to the position of the terminal to the unmanned aerial vehicle.
    Type: Application
    Filed: April 4, 2019
    Publication date: October 10, 2019
    Applicant: Electronics and Telecommunications Research Instit ute
    Inventors: Myung Seok KI, Sang Hyouk CHOI, Yun Su BOK, Ji Hwan SON, Jeong Hwan LEE, Ji Hun CHA, Jae Young AHN
  • Publication number: 20190220535
    Abstract: A database system based on just-in-time (JIT) compilation performs a branch optimization and a loop optimization on the stored procedure. An interpreted query processor generating a structured query language (SQL) execution plan regarding an input online transaction processing (OLTP) query, an online analytical processing (OLAP) analysis, and a stored procedure. A JIT-based query processor receives the SQL execution plan, optimizes a branch and a loop in the received SQL execution plan, and then generates an optimized JIT execution plan. The JIT-based query processor generates a query processing executor performing query processing based on the JIT execution plan and provides a result of the query processing performed by the query processing executor.
    Type: Application
    Filed: August 24, 2018
    Publication date: July 18, 2019
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventor: Myung Cheol LEE
  • Publication number: 20190222352
    Abstract: Disclosed is an optical receiver and an error correction method performed by the optical receiver, receiving, using a receiving antenna or a photodetector, a training signal in which an error occurs due to noise and distortion while being output from an optical transmitter and transmitted through a communication channel and identifying a hyperplane for classifying a probability that the received training signal is a training signal corresponding to a training signal output from the optical signal using a support vector machine (SVM) and learning a parameter of the identified hyperplane such that a classification error probability is minimized when the probability is extracted using the identified hyperplane, wherein the parameter of the identified hyperplane is used to correct an error occurring while a transmission signal output from the optical signal is received using the receiving antenna or the photodetector.
    Type: Application
    Filed: August 24, 2018
    Publication date: July 18, 2019
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Sang Rok MOON, Hun Sik KANG
  • Publication number: 20190178984
    Abstract: Provided is a radar device including a clock generator, a transmitter, and a receiver. The clock generator may output a transmission clock, and output a reception clock after a delay from a time at which the transmission clock is output. The transmitter may include a transmission trigger signal generator to generate a transmission trigger signal based on the transmission clock and an oscillator configured to generate a first signal on the basis of the transmission trigger signal. The first signal and the transmission trigger signal may include a pulse, and a width and a magnitude of the pulse included in the first signal correspond to a width and a magnitude of the pulse included in the transmission trigger signal, respectively. The receiver may be configured to receive an echo signal corresponding to the first signal to generate a second signal based on the reception clock.
    Type: Application
    Filed: November 19, 2018
    Publication date: June 13, 2019
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Pil Jae PARK, Seongdo KIM
  • Patent number: 10320424
    Abstract: A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 64800 and a code rate of 2/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 16-symbol mapping.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: June 11, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Sung-Ik Park, Sun-Hyoung Kwon, Jae-Young Lee, Heung-Mook Kim, Nam-Ho Hur
  • Patent number: 10312215
    Abstract: Provided is an electrode assembly which may be manufactured by providing a first substrate and a second substrate, plasma treating the first substrate, forming an electrode on the first substrate, and thermally compressing the first substrate and the second substrate, with the electrode therebetween, wherein each of the first substrate and the second substrate includes a fluorine-based polymer.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: June 4, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Yong Hee Kim, Sang Don Jung
  • Publication number: 20190141464
    Abstract: An audio metadata providing apparatus and method and a multichannel audio data playback apparatus and method to support a dynamic format conversion are provided. Dynamic format conversion information may include information about a plurality of format conversion schemes that are used to convert a first format set by an author of multichannel audio data into a second format that is based on a playback environment of the multichannel audio data and that are each set for corresponding playback periods of the multichannel audio data. The audio metadata providing apparatus may provide audio metadata including the dynamic format conversion information. The multichannel audio data playback apparatus may identify the dynamic format conversion information from the audio metadata, may convert the first format of the multichannel audio data into the second format based on the identified dynamic format conversion information, and may play back the multichannel audio data in the second format.
    Type: Application
    Filed: January 4, 2019
    Publication date: May 9, 2019
    Applicant: Electronics and Telecommunications Research Instit ute
    Inventors: Jae Hyoun YOO, Tae Jin LEE, Seok Jin LEE
  • Publication number: 20190123778
    Abstract: A monolithic microwave integrated circuit (MIMIC) for a phased array antenna system, and a phased array antenna system including the MIMIC are provided. The MIMIC includes a first amplifier including a first input terminal and a first output terminal, a second amplifier including a second input terminal and a second output terminal, a first switch connectable to the first input terminal and the second output terminal, and a second switch connectable to the first output terminal and the second input terminal.
    Type: Application
    Filed: February 14, 2018
    Publication date: April 25, 2019
    Applicant: Electronics and Telecommunications Research Instit ute
    Inventors: Jin Cheol JEONG, Dong Hwan SHIN, Man Seok UHM, IN BOK YOM
  • Publication number: 20190111275
    Abstract: Provided is a device for microwave hyperthermia that may attach a flexible patch on the skin of a user based on a cross-section of a body tissue of the user, for example, a joint and muscle of a leg and an arm and may emit microwaves towards a plurality of points of the body tissue through the patch. The microwaves emitted toward the body tissue may have the same phase and maximum power. Accordingly, a maximum heat generation point may be generated in an area adjacent to the plurality of points. The device for microwave hyperthermia may move the maximum heat generation point by sequentially changing a phase and a direction of each of the microwaves. The device for microwave hyperthermia may uniformly distribute and maintain heat for treating pain and/or infection over the entire cross-section or a partial area. The device for microwave hyperthermia may be portable.
    Type: Application
    Filed: October 11, 2018
    Publication date: April 18, 2019
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Soon Ik JEON, Jang Yeol KIM, Bo Ra KIM, Seong-Ho SON, Kwang Jae LEE
  • Patent number: 10261382
    Abstract: Provided is a light modulating device including a light modulating unit provided on a substrate, a driving unit electrically connected to the light modulating unit and configured to drive the light modulating unit, and a cover disposed on the light modulating unit and configured to seal the light modulating unit, wherein the light modulating unit comprises an electrochromic device.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: April 16, 2019
    Assignee: Electronics and Telecommunications Research Instit
    Inventors: Tae-Youb Kim, Yong Hae Kim, Seong-Mok Cho, Jong-Heon Yang, Jae-Eun Pi
  • Publication number: 20190090726
    Abstract: Disclosed is an optical device. The optical device includes: a first WDM filter for dividing an optical signal transmitted through and reflected from a measured subject into an optical signal of an infrared band and a first optical signal through wavelength division multiplexing; a first LC tunable wavelength filter disposed at an output end of the first WDM filter, and selectively filtering the optical signal of the infrared band; a second WDM filter for dividing the first optical signal into an optical signal of a first visible light band and a second optical signal through wavelength division multiplexing; and a second LC tunable wavelength filter disposed at an output end of the second WDM filter, and selectively filtering the optical signal of the first visible light band.
    Type: Application
    Filed: July 20, 2018
    Publication date: March 28, 2019
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Hyoungjun PARK, Ji Hyoung RYU, Keo-Sik KIM, Hyun Seo KANG, Kyeeun KIM, Sung Chang KIM, Gi Hyeon MIN, Si Woong PARK, Dong Hoon SON, CHAN IL YEO, Dongsoo LEE, Young Soon HEO
  • Patent number: 10204630
    Abstract: The present invention relates to a method and an apparatus for processing a signal, which are used to effectively reproduce an audio signal, and more particularly, to a method for generating a filter for an audio signal, which are used for implementing a filtering for input audio signals with a low computational complexity and a parameterization apparatus therefor.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: February 12, 2019
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY, WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Taegyu Lee, Hyunoh Oh, Jeongil Seo, Yongju Lee, Seungkwon Beack, Kyeongok Kang, Daeyoung Jang, Youngcheol Park, Daehee Youn
  • Publication number: 20190037239
    Abstract: Disclosed are an image encoding method using a skip mode and a device using the method. The image encoding method may comprise the steps of: judging whether there is residual block data of a prediction target block on the basis of predetermined data indicating whether residual block data has been encoded; and, if there is residual block data, restoring the prediction target block on the basis of the residual block data and an intra-screen predictive value of the prediction target block. Consequently, encoding and decoding efficiency can be increased by carrying out the encoding and decoding of screen residual data only for prediction target blocks where there is a need for a residual data block in accordance with screen similarity.
    Type: Application
    Filed: October 4, 2018
    Publication date: January 31, 2019
    Applicants: Electronics and Telecommunications Research Instit ute, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Gun BANG, Won Sik CHEONG, Gi Mun UM, Nam Ho HUR, Gwang Hoon PARK, Kyung Yong KIM
  • Publication number: 20190020887
    Abstract: Disclosed decoding method of the intra prediction mode comprises the steps of: determining whether an intra prediction mode of a present prediction unit is the same as a first candidate intra prediction mode or as a second candidate intra prediction mode on the basis of 1-bit information; and determining, among said first candidate intra prediction mode and said second candidate intra prediction mode, which candidate intra prediction mode is the same as the intra prediction mode of said present prediction unit on the basis of additional 1-bit information, if the intra prediction mode of the present prediction unit is the same as at least either the first candidate intra prediction mode or the second candidate intra prediction mode, and decoding the intra prediction mode of the present prediction unit.
    Type: Application
    Filed: September 18, 2018
    Publication date: January 17, 2019
    Applicants: Electronics and Telecommunications Research Instit ute, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Ho KIM, Hui Yong KIM, Se Yoon JEONG, Sung Chang LIM, Ha Hyun LEE, Jin Ho LEE, Suk Hee CHO, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN, Mun Churl KIM, Bum Shik LEE
  • Publication number: 20180351609
    Abstract: Disclosed herein are a method for transceiving a broadcast signal using a combination of multiple antenna schemes with layered division multiplexing and an apparatus for the method. A method for receiving a broadcast signal includes generating received signals based on signals that are received through multiple receiving antennas, estimating channels between the receiving antennas and transmitting antennas, restoring a core-layer signal corresponding to the received signals, and restoring an enhanced-layer signal based on a cancellation process, wherein the cancellation process corresponds to the core-layer signal and is separately performed for the individual receiving antennas.
    Type: Application
    Filed: May 30, 2018
    Publication date: December 6, 2018
    Applicant: Electronics and Telecommunications Research Instit ute
    Inventors: Sung-Ik PARK, Bo-Mi LIM, Sun-Hyoung KWON, Heung-Mook KIM, Jae-Hyun SEO, Jae-Young LEE, Nam-Ho HUR, Hoi-Yoon JUNG, David GOMEZ-BARQUERO, Eduardo GARRO
  • Publication number: 20180338271
    Abstract: An operation method of a terminal, for a handover in a mobile communication system, may comprise performing measurement on beams of a target base station, and transmitting a measurement result of at least one beam of the target base station to a source base station; receiving, from the source base station, a handover command message including information on at least one RACH resource for the at least one beam; transmitting a handover indication message including information on at least one random access target beam having an order of channel conditions determined based on a latest measurement to the source base station and to the target base station through the source base station; and determining an optimal beam among the at least one random access target beam, and transmitting a RACH to the target base station through a RACH resource allocated to the optimal beam.
    Type: Application
    Filed: May 18, 2018
    Publication date: November 22, 2018
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Hyun Seo PARK, Hyun LEE, Tae Joong KIM, Hee Soo LEE, Yu Ro LEE, Eun Kyung KIM, An Seok LEE
  • Publication number: 20180328851
    Abstract: Disclosed is an apparatus and method for processing a bio optical signal based on a spread spectrum scheme including a demodulator configured to collect a bio optical signal generated in response to an incident beam modulated based on a spreading code being scattered from a target analyte, and remove a noise from the bio optical signal by demodulating the bio optical signal based on the spreading code, wherein the bio optical signal has a correlation with the modulated incident beam.
    Type: Application
    Filed: September 15, 2017
    Publication date: November 15, 2018
    Applicants: Electronics and Telecommunications Research Instit ute, Korea Advanced Institute of Science and Technology
    Inventors: Won Kyoung LEE, Ki-Hun JEONG, Moonseong PARK
  • Publication number: 20180316919
    Abstract: A video decoding method according to an embodiment of the present invention may include determining a type of a filter to be applied to a first-layer picture which a second-layer picture as a decoding target refers to; determining a filtering target of the first-layer picture to which the filter is applied; filtering the filtering target based on the type of the filter; and adding the filtered first-layer picture to a second-layer reference picture list. Accordingly, the video decoding method and an apparatus using the same may reduce a prediction error in an upper layer and enhance encoding efficiency.
    Type: Application
    Filed: June 20, 2018
    Publication date: November 1, 2018
    Applicant: Electronics and Telecommunications Research Instit ute
    Inventors: Jin Ho LEE, Jung Won KANG, Ha Hyun LEE, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20180299621
    Abstract: The present invention relates to an optical combiner and a manufacturing method thereof, and a plurality of light source units emitting an optical signal. A reflection unit having a plurality of reflection surfaces disposed on a path of the optical signal and reflecting the optical signal so as to face toward an optical fiber, and an optical fiber holder fixing the optical fiber at a position where the optical signal reflected by the plurality of reflection surfaces is focused is included. An optical combiner and a manufacturing method thereof in which an optical fiber holder includes a plurality of division members that are radially disposed with respect to a center part of the reflection unit are disclosed.
    Type: Application
    Filed: November 28, 2017
    Publication date: October 18, 2018
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: CHAN IL YEO, Young Soon HEO, Hyun Seo KANG, Sung Chang KIM
  • Publication number: 20180302253
    Abstract: 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, type information of Physical Layer Pipes (PLPs) and time interleaver information shared by the core layer signal and the enhanced layer signal.
    Type: Application
    Filed: June 20, 2018
    Publication date: October 18, 2018
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Jae-Young LEE, Sung-Ik PARK, Sun-Hyoung KWON, Heung-Mook KIM