Patents by Inventor Joon Young Jung

Joon Young Jung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210211336
    Abstract: Disclosed herein are a synchronization apparatus and method for a upstream system. The synchronization apparatus for a upstream system includes one or more processors, and execution memory for storing at least one program that is executed by the one or more processors, wherein the at least one program is configured to receive a signal and calculate a first channel estimation value for the received signal using a predefined pilot, and calculate a second channel estimation value using a predefined complementary pilot and the first channel estimation value.
    Type: Application
    Filed: May 4, 2020
    Publication date: July 8, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kwan-Woong RYU, Jin-Hyuk SONG, Joon-Young JUNG, Dong-Joon CHOI
  • Publication number: 20210203471
    Abstract: Disclosed herein are an apparatus and method for removing a self-interference signal. The apparatus includes one or more processors and executable memory for storing at least one program executed by the one or more processors. The at least one program receives an upstream signal for removing self-interference, generates a downstream signal for channel estimation, replicates a self-interference signal in a time domain and a self-interference signal in a frequency domain using the upstream signal and the downstream signal, and removes the self-interference signal from the upstream signal using the replicated self-interference signal in the time domain and the replicated self-interference signal in the frequency domain.
    Type: Application
    Filed: May 8, 2020
    Publication date: July 1, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Je-Won LEE, Joon-Young JUNG, Dong-Joon CHOI
  • Patent number: 11050494
    Abstract: Disclosed herein are a signal-multiplexing apparatus and method based on machine learning. The signal-multiplexing method based on machine learning, performed by a signal-multiplexing apparatus based on machine learning, including training a transmitted signal using a machine-learning technique, performing complex mapping to transmit the transmitted signal as multiple signals, receiving the multiple signals and regularizing the multiple signals based on a preset rule corresponding to the machine-learning technique, outputting an estimated value for the transmitted signal by training regularized multiple signals using the machine-learning technique, calculating a difference between the transmitted signal and the estimated value for the transmitted signal, and detecting the transmitted signal from an output value when the difference is less than or equal to a preset value.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: June 29, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Myung-Sun Baek, Joon-Young Jung, Dong-Joon Choi, Heung-Mook Kim
  • Patent number: 11050593
    Abstract: Disclosed herein are a synchronization apparatus and method for a upstream system. The synchronization apparatus for a upstream system includes one or more processors, and execution memory for storing at least one program that is executed by the one or more processors, wherein the at least one program is configured to receive a signal and calculate a first channel estimation value for the received signal using a predefined pilot, and calculate a second channel estimation value using a predefined complementary pilot and the first channel estimation value.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: June 29, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kwan-Woong Ryu, Jin-Hyuk Song, Joon-Young Jung, Dong-Joon Choi
  • Publication number: 20210192372
    Abstract: A multi-layered knowledge base system and a processing method thereof are provided. In the system, semantic space learning of converting learning data into a semantic vector, which is a vector of semantic space, by learning a transformation function based on a plurality of learning data is performed. Then, relational knowledge learning of acquiring a relation between the semantic vectors by learning a relation function based on the semantic vectors obtained by the semantic space learning is performed. The acquired relation is converted into graph knowledge. The graph knowledge uses the relation as an edge and the semantic vector corresponding to the relation as a node.
    Type: Application
    Filed: December 18, 2020
    Publication date: June 24, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong-Oh KANG, Chon Hee LEE, Joon Young JUNG
  • Patent number: 10951259
    Abstract: Disclosed herein are a method for simultaneously transmitting/receiving upstream and downstream signals using a remote PHY architecture and an apparatus for the same. The method determines whether to divide frequencies depending on whether signal interference occurs among multiple cable modems connected to a cable network, if it is determined to divide the frequencies, categorize the multiple cable modems into multiple groups so that signal interference occurs in each group, but signal interference does not occur between groups, set transmission bands for the multiple groups so that an upstream band and a downstream band of one group alternate with upstream bands and downstream bands of remaining groups by dividing the frequencies in accordance with a number of groups, and cancels, by a remote physical layer (PHY) device located at an optical network terminal of the cable network, self-interference signals for respective groups based on the transmission bands.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: March 16, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Joon-Young Jung, Tae-Kyoon Kim, Eun-Hee Hyun, Heung-Mook Kim
  • Patent number: 10897277
    Abstract: Disclosed herein are a method for estimating a self-interference signal based on iterative estimation and an apparatus for the same. The method is configured to transmit two preamble signals from the transmission antenna of one terminal to the reception antenna thereof, to estimate third-order nonlinear distortion, which distorts a self-interference signal, based on a transmission signal and a reception signal for each of the two preamble signals, to update the reception signal by eliminating the third-order nonlinear distortion therefrom, to re-estimate the third-order nonlinear distortion based on the updated reception signal, and to estimate the self-interference signal based on the final third-order nonlinear distortion, which is acquired by repeatedly re-estimating the third-order nonlinear distortion as many times as a preset number of iterations.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: January 19, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Myung-Sun Baek, Joon-Young Jung, Heung-Mook Kim
  • Patent number: 10892797
    Abstract: An apparatus and a method for processing an uplink signal of cable broadcasting network including: modulating uplink data to be transmitted to a broadcasting station which is located at an end of the cable broadcasting network into a plurality of symbols; performing a correlation-coding on the plurality of symbols; and outputting an analog radio frequency (RF) signal corresponding to the plurality of correlation-coded symbols are provided.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: January 12, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Myung-Sun Baek, Jin Hyuk Song, Joon Young Jung, Heung Mook Kim, Eun Hee Hyun
  • Patent number: 10805689
    Abstract: Disclosed is a method of transmitting broadcasting data and apparatus for the same. According to an embodiment of the present disclosure, the method of transmitting broadcasting data includes: determining at least one IP-based data packet provided in different lengths received from a higher layer; generating a media transport packet having a fixed length by converting the at least one IP-based data packet; and generating broadcasting data by modulating the generated media transport packet on the basis of a broadcasting data modulation scheme and transmitting the broadcasting data.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: October 13, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Joon Young Jung, Soon Choul Kim, Heung Mook Kim
  • Publication number: 20200220573
    Abstract: An apparatus and a method for processing an uplink signal of cable broadcasting network including: modulating uplink data to be transmitted to a broadcasting station which is located at an end of the cable broadcasting network into a plurality of symbols; performing a correlation-coding on the plurality of symbols; and outputting an analog radio frequency (RF) signal corresponding to the plurality of correlation-coded symbols are provided.
    Type: Application
    Filed: January 8, 2020
    Publication date: July 9, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Myung-Sun BAEK, Jin Hyuk SONG, Joon Young JUNG, Heung Mook KIM, Eun Hee HYUN
  • Publication number: 20200213072
    Abstract: Disclosed are a method and a device for transmitting and receiving a signal, the method including: identifying a downlink signal-only transmission section in which a first electronic device transmits a downlink signal to a second electronic device, and transmitting the signal in the downlink signal-only transmission section; detecting at least one symbol that has a power value relatively higher than a predetermined threshold value; estimating, on the basis of the detected at least one symbol, an interference channel in which a self-interference signal occurs; detecting the self-interference signal; and identifying an FDX transmission section in which an uplink signal is received from the second electronic device and the downlink signal is transmitted simultaneously, and processing transmission of the downlink signal and reception of the uplink signal in the FDX transmission section, wherein the reception of the uplink signal is processed by removing the self-interference signal occurring in the interference c
    Type: Application
    Filed: December 26, 2019
    Publication date: July 2, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Myung Sun BAEK, Jin Hyuk SONG, Joon Young JUNG, Heung Mook KIM, Yong Seong CHO
  • Patent number: 10700895
    Abstract: Disclosed are a roll-off period detection method, a symbol starting point detection method, a fractional frequency offset estimating method, and an OFDM downstream system using the same. A method of detecting a roll-off period in an OFDM downstream system according to an embodiment of the present disclosure may include: generating a temporary roll-off period by applying a windowing function to a signal having a preset length; and detecting a roll-off period based on any one of a cross correlation and a sum of differences between a detection target signal included in a range of two OFDM symbol signals based on a detection starting point, and the temporary roll-off period.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: June 30, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jae Hwui Bae, Jin Hyuk Song, Je Won Lee, Joon Young Jung, Dong Joon Choi, Nam Ho Hur
  • Patent number: 10645461
    Abstract: Disclosed herein are a method for providing an ad-hoc broadcast service based on channel sharing and an apparatus for the same. The method is configured such that a master broadcast transmitter for providing an ad-hoc broadcast service receives a request to share a channel from a new broadcast transmitter, allocates one of multiple subframes, into which the transmission frame of any one broadcast channel corresponding to the ad-hoc broadcast service is divided, to the new broadcast transmitter, and controls the new broadcast transmitter in real time by performing synchronization with the new broadcast transmitter based on reference time information included in a control Physical Layer Pipe (PLP).
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: May 5, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Dong-Joon Choi, Heung-Mook Kim, Sung-Ik Park, Joon-Young Jung, Yong-Seong Cho
  • Publication number: 20200134109
    Abstract: A system and method for calibrating a simulation model based on a framework. The system includes a calibration parameter value generating processor configured to generate a value of a first calibration parameter for calibrating microdata and a value of a second calibration parameter for calibrating a simulating processor; an initial data generating processor configured to determine a missing value of the microdata based on the value of the first calibration parameter to generate initial data; and the simulating processor configured to simulate based on the initial data and the value of the second calibration parameter.
    Type: Application
    Filed: December 27, 2018
    Publication date: April 30, 2020
    Inventors: Chun Hee LEE, Eui Hyun PAIK, Dong-Oh KANG, Jang Won BAE, Joon Young JUNG
  • Patent number: 10585428
    Abstract: The preset invention is directed to a building energy management system and method, more specifically to a building energy management system and method that can quickly detect and control an abnormal situation or an emergency situation that may occur within a building.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: March 10, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Dong-Oh Kang, Ok-Gee Min, Joon-Young Jung
  • Publication number: 20200059306
    Abstract: Disclosed herein are a signal-multiplexing apparatus and method based on machine learning. The signal-multiplexing method based on machine learning, performed by a signal-multiplexing apparatus based on machine learning, including training a transmitted signal using a machine-learning technique, performing complex mapping to transmit the transmitted signal as multiple signals, receiving the multiple signals and regularizing the multiple signals based on a preset rule corresponding to the machine-learning technique, outputting an estimated value for the transmitted signal by training regularized multiple signals using the machine-learning technique, calculating a difference between the transmitted signal and the estimated value for the transmitted signal, and detecting the transmitted signal from an output value when the difference is less than or equal to a preset value.
    Type: Application
    Filed: August 12, 2019
    Publication date: February 20, 2020
    Inventors: Myung-Sun BAEK, Joon-Young JUNG, Dong-Joon CHOI, Heung-Mook KIM
  • Patent number: 10566997
    Abstract: A data compression apparatus includes a lossy compression unit for calculating, in advance, a reference error vector magnitude depending on lossy compression and decompression by removing lower bits from a data signal composed of bitstreams, for setting removal target lower bits satisfying a preset error vector magnitude requirement, and for lossily compressing the data signal by removing the removal target lower bits from the data signal, and a communication unit for transmitting the compressed data signal to a data decompression apparatus.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: February 18, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Je-Won Lee, Eun-Hee Hyun, Heung-Mook Kim, Joon-Young Jung
  • Patent number: 10484116
    Abstract: Disclosed herein are an apparatus and method for converting a broadcast signal. The apparatus for converting a broadcast signal includes a demultiplexer unit for receiving a terrestrial broadcast signal and generating a terrestrial signaling signal, a signaling conversion unit for converting the terrestrial signaling signal into a cable signaling signal by parsing the terrestrial signaling signal, a cable multiplexer unit for generating a cable broadcast signal by multiplexing the cable signaling signal, and a cable modulation unit for modulating the cable broadcast signal and transmitting the cable broadcast signal over a cable network.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: November 19, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Byung-Jun Bae, Hye-Ju Oh, Yong-Seong Cho, Heung-Mook Kim, Joon-Young Jung, Nam-Ho Hur
  • Patent number: 10469100
    Abstract: Disclosed herein are a method for transmitting and receiving compressed data and an apparatus therefor. According to the method for transmitting compressed data, a transmission apparatus for transmitting compressed data standardizes the value of an In-phase/Quadrature-phase (IQ) data sample to a preset type that is selected from among a positive number and a negative number, determines the sample type of the IQ data sample, the value of which is standardized to the preset type, based on a sample type determination rule, generates a compressed bit string based on the compression rule pertaining to the determined sample type, generates compressed data, including at least one of a reference bit corresponding to the sample type, the sign bit of the IQ data sample, and the compressed bit string, for each IQ data sample, and transmits the compressed data to a reception apparatus.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: November 5, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Eun-Hee Hyun, Je-Won Lee, Heung-Mook Kim, Joon-Young Jung, Tae-Kyoon Kim
  • Patent number: 10425906
    Abstract: 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.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: September 24, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sang-Jung Ra, Jin-Hyuk Song, Ho-Sook Lee, Dong-Joon Choi, Joon-Young Jung, Nam-Ho Hur