Patents Assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
  • Publication number: 20170162951
    Abstract: 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.
    Type: Application
    Filed: December 5, 2016
    Publication date: June 8, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventor: Woo Yong LEE
  • Publication number: 20170156143
    Abstract: 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. The first terminal transmits the first scheduling request indication signal through a first request subslot included in a first scheduling request resource before transmitting the first scheduling request signal. The first terminal transmits the first scheduling request signal through a second request subslot included in the first scheduling request resource.
    Type: Application
    Filed: May 5, 2015
    Publication date: June 1, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Kapseok CHANG, Byung-Jae KWAK
  • Publication number: 20170135099
    Abstract: 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.
    Type: Application
    Filed: November 4, 2016
    Publication date: May 11, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Pyeong Jung SONG, Jongtae SONG, Tae Whan YOO
  • Publication number: 20170110693
    Abstract: 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. The method of manufacturing the OLED includes: disposing a light scattering layer on a substrate; providing a transparent electrode film on the light scattering layer; and transferring the transparent electrode film to be directly on and in contact with the light scattering layer.
    Type: Application
    Filed: December 30, 2016
    Publication date: April 20, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Jin Wook SHIN, Jeong Ik LEE, HongKyw CHOI, Jaehyun MOON, Jonghee LEE, Nam Sung CHO, Doo-Hee CHO, Chul Woong JOO, Jun-Han HAN
  • Publication number: 20170068111
    Abstract: 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.
    Type: Application
    Filed: July 6, 2016
    Publication date: March 9, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Ki-Uk KYUNG, Bong Je PARK, Sang-Youn KIM, Sae Kwang NAM, Sun Tak PARK, Sung Ryul YUN
  • Publication number: 20170054995
    Abstract: The present invention relates to a method and device for sharing a candidate list. A method of generating a merging candidate list for a predictive block may include: producing, on the basis of a coding block including a predictive block on which a parallel merging process is performed, at least one of a spatial merging candidate and a temporal merging candidate of the predictive block; and generating a single merging candidate list for the coding block on the basis of the produced merging candidate. Thus, it is possible to increase processing speeds for coding and decoding by performing inter-picture prediction in parallel on a plurality of predictive blocks.
    Type: Application
    Filed: November 3, 2016
    Publication date: February 23, 2017
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Hui Yong KIM, Gwang Hoon PARK, Kyung Yong KIM, Sang Min KIM, Sung Chang LIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20170024890
    Abstract: 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.
    Type: Application
    Filed: April 22, 2016
    Publication date: January 26, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventor: Min Sung YOON
  • Publication number: 20170026111
    Abstract: 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. When the wavelength malfunction occurs, the MAC unit blocks an uplink optical transmission of the optical transceiver.
    Type: Application
    Filed: April 29, 2016
    Publication date: January 26, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Hark YOO, Yongseok YOO, Geun Yong KIM, Dongsoo LEE
  • Patent number: 9549204
    Abstract: Provided is a method and apparatus for performing intra-prediction using an adaptive filter. The method for performing intra-prediction comprises the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block; applying the first filter for the reference pixel value when it is determined to apply the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring block; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply the second filter.
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: January 17, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Jin Ho Lee, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Ha Hyun Lee, Jong Ho Kim, Sung Chang Lim, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Publication number: 20160377813
    Abstract: An optical phase diversity receiver may include: a diffraction grating including grating surfaces; a first input waveguide to which a first optical signal is inputted; a second input waveguide to which a second optical signal is inputted; and a slab waveguide including an input terminal optically coupled with the first and second input waveguides, and an output terminal provided at a position at which optical signals reflected by the diffraction grating reach the slab waveguide. Every determined number of grating surfaces are chirped in an identical manner. The slab waveguide is configured to guide the first and the second optical signals to the diffraction grating and guide the optical signals reflected by the diffraction grating to the output terminal. The grating surfaces are configured such that each of the optical signals reflected by the diffraction grating is divided into the predetermined number by optical power distribution.
    Type: Application
    Filed: June 1, 2016
    Publication date: December 29, 2016
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Shin Mo AN, Oh Kee KWON
  • Patent number: 9514402
    Abstract: Provided is a Radio Frequency Identification (RFID) tag having a plurality of antennas. The RFID tag includes: a plurality of antennas each configured to backscatter received Radio Frequency (RF) signals; a digital and memory circuitry, which once the RF signals are received through the plurality of antennas, is configured to generate a series of programmed encoding signals based on identification information to be transmitted, and to output the generated signals; and a modulator configured to vary power of an uplink signal backscattered through the plurality of antennas based on the encoding signals input from the digital and memory circuitry, in which the modulator operates such that the power of the uplink signal backscattered through each of the plurality of antennas is equal regardless of types of the encoding signals.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: December 6, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Hyun Seok Kim, Chan Won Park
  • Patent number: 9509439
    Abstract: Rate adaptation is carried out using bit error rate (BER) to enable effective multimedia transmission. The BER can be estimated using signal strength in a MAC layer and modulation information (FIGS. 7-9), and can be compatibly used in different wireless networks by means of message standardization.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: November 29, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Yong Ju Cho, Ji Hun Cha
  • Patent number: 9509570
    Abstract: Disclosed herein is a routing apparatus and method for configuring a LPWMN based on a channel hopping time-multiplexed wireless link. The routing apparatus of the present invention includes a control unit for setting up a channel hopping time-multiplexed wireless link with a gateway router, one or more routers, and one or more devices based on deterministic and synchronous multi-channel extension (DSME) media access control (MAC) link control (DSME MAC link control: DLC) sublayers and DSME MAC link network (DLN) sublayers. A communication unit transfers data frames to the gateway router, routers, and devices depending on connection quality of the channel hopping time-multiplexed wireless link.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: November 29, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventor: Seong-Soon Joo
  • Patent number: 9510010
    Abstract: The present invention relates to image encoding and image decoding. A method for encoding images according to the present invention comprises the steps of: acquiring division information from peripheral blocks of an encoding target block with respect to the peripheral blocks; predicting the division of the encoding target block on the basis of the acquired division information; encoding information on the difference between the practical division information of the encoding target information and the predictive division information predicted in the predicting process; and transmitting the encoded information. The present invention can encode/decode the division information of the encoding/decoding target blocks using the information about the peripheral blocks.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: November 29, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Hui Yong Kim, Sung Chang Lim, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Se Yoon Jeong, Suk Hee Cho, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Patent number: 9501311
    Abstract: Provided are an apparatus and method for multicore emulation based on dynamic context switching. The apparatus for multicore emulation based on dynamic context switching includes a multicore emulation managing unit configured to transmit a signal for requesting determination of a core to be emulated among a plurality of cores, and a context switching managing unit configured to receive the signal for requesting determination of a core to be emulated from the multicore emulation managing unit, determine an ID of a core to be emulated according to the received signal, and executing emulation on a core corresponding to the determined core ID.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: November 22, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Jae Jin Lee, Young Su Kwon
  • Publication number: 20160337679
    Abstract: A method and an apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata on media content are disclosed. The media content includes a series of one or more periods. Each period may include one or more representations. The metadata may include information describing a relationship between the representations and information for terminals having different display bit depths.
    Type: Application
    Filed: January 7, 2015
    Publication date: November 17, 2016
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Jin Young LEE, Kug Jin YUN, Won Sik CHEONG
  • Patent number: 9490939
    Abstract: Disclosed herein is an apparatus and method for calculating a TCP checksum. An apparatus for calculating a TCP checksum includes a data division unit for dividing content to be transmitted into two or more primary data fragments by a unit of a preset byte. A first checksum calculation unit calculates first checksums for the primary data fragments, respectively. A second checksum calculation unit calculates a second checksum for secondary data to be inserted into a data area of the TCP segment using the first checksums. Accordingly, in TCP-based networks, a checksum calculation procedure is improved upon transmitting static content, so that a static content transfer rate occupying most of TCP-based network traffic can be improved.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: November 8, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Ik-Soon Kim, Sun-Ja Kim, Chae-Kyu Kim, Jong-Hyun Park
  • Patent number: 9483688
    Abstract: Provided are a system and method for evaluating the face recognition performance of a service robot using an ultra high definition (UHD) facial video database. The system includes a video output unit configured to output a registration-purpose or test-purpose UHD facial video, a robot test controller configured to control transmitting identification (ID) information on a video currently being output to a service robot having a face recognition function when the video currently being output is a registration-purpose video, and control performing evaluation of the face recognition function of the service robot using a recognition result received from the service robot when the video currently being output is a test-purpose video, and a wired/wireless communication unit configured to transmit the ID information and usage information indicating whether the video currently being output is a registration-purpose video or a test-purpose video to the service robot.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: November 1, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Young Sook Jeong, Mi Young Cho
  • Patent number: 9485083
    Abstract: A method and apparatus for time synchronization between a plurality of nodes in a network. The apparatus distinguishes between an optical synchronization signal for synchronization between nodes and an optical data signal for data transmission, and synchronizes nodes with each other using the optical synchronization signal.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: November 1, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Jinsoo Han, Chang Sic Choi, Wan Ki Park, Il Woo Lee
  • Patent number: 9485665
    Abstract: Disclosed is a network management apparatus for priority channel assignment to acquire available channels in a frequency sharing band, including: a signal intensity measurer measuring a received signal intensity for an input signal; and a controller verifying usable candidate channels in the same channel and an adjacent channel of a TV band device (TVBD) for each predetermined frequency based on the measured received signal intensity, verifying available channels of the TVBD based on the verified usable candidate channels in the same channel and the adjacent channel, calculating the decreased number of available channels of the TVBD predicted for each channel after channel reassignment, and assigning channels to be reassigned based on the calculated decreased number of available channels of the TVBD.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: November 1, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Kyu Min Kang, Jae Cheol Park, Dong Hun Lee, Byung Jang Jeong