Patents by Inventor Byungjun Bae

Byungjun Bae 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: 20200322121
    Abstract: A method and an apparatus for estimating synchronization of a broadcast signal in a time domain using a synchronization estimation signal through steps of: performing a correlation operation using a correlation window on a plurality of synchronization estimation signals separated to a plurality of paths and outputting a plurality of correlated signals; delaying the plurality of correlated signals to output a plurality of delayed signals; and estimating the synchronization using the plurality of delayed signals are provided.
    Type: Application
    Filed: April 3, 2020
    Publication date: October 8, 2020
    Inventors: Myung-Sun BAEK, Sang-Jung RA, Byungjun BAE, Yong Seong CHO, Hyoung Kyu SONG, Won-Seok LEE
  • Publication number: 20200162768
    Abstract: An apparatus for providing broadcasting services simultaneously configures two or more duplicate broadcasting services to be transmitted simultaneously for broadcasting programs of the same contents, generates a Service List Table (SLT) for the two or more broadcasting services, and transmits the two or more broadcasting services together with the SLT information, and the SLT includes duplicate service separator information indicating whether the two or more broadcasting services are being simultaneously broadcasted, and information indicating which one between the two or more duplicate broadcasting services is the service for a fixed TV or the service for a mobile terminal.
    Type: Application
    Filed: November 21, 2019
    Publication date: May 21, 2020
    Inventors: Sukhee CHO, ByungJun BAE, DongKwan LEE, Heung Mook KIM, Sungheun OH
  • Patent number: 10045162
    Abstract: A device for transmitting a media service in a hybrid network, which is a combination of a broadcasting network and a communication network, includes a streaming server, a streaming client, a multiplexer, and a transmitter. The streaming server generates media segments including media data and a metadata file including temporal order information and downloading and reproduction information of the media segments corresponding to a plurality of profiles. The streaming client selects a profile according to a transmission bit ratio appropriate for a broadcasting resource allocation state, requests a media segment with quality that is suitable for the broadcasting resource allocation state from the streaming server, and downloads the same. The multiplexer multiplexes part of information of the metadata file on the profile selected from among the media segment and the metadata file of the plurality of profiles to generate a baseband frame.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: August 7, 2018
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Joungil Yun, Woo-Suk Kim, Byungjun Bae, Hyun-Jeong Yim, Hyoungsoo Lim, Namho Hur
  • Publication number: 20180176637
    Abstract: 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.
    Type: Application
    Filed: November 30, 2017
    Publication date: June 21, 2018
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Seong CHO, Byungjun BAE, Hye Ju OH, Joon Young JUNG, Namho HUR
  • Patent number: 9906824
    Abstract: Disclosed is a method and device for transmitting media data in a digital broadcasting system for allocating media data to a superframe, and transmitting a superframe in which a time length of media data corresponds to a time length of the superframe.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: February 27, 2018
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Woo-Suk Kim, Byungjun Bae, Hyun-Jeong Yim, Hyoungsoo Lim, Namho Hur
  • Patent number: 9749379
    Abstract: A receiving terminal in a hybrid network receives a video stream through a broadcasting network. The receiving terminal receives a high speed video stream streamed at a high speed for a defined first period from a first time when switching from the broadcasting network to a communication network depending on a receiving state of the broadcasting network is determined, receives a live video stream streamed in a live form from any one time of the first period, and generates a continuous video stream using the video stream received through the broadcasting network, the high speed video stream, and the live video stream.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: August 29, 2017
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Joungil Yun, Byungjun Bae, Kyu Tae Yang, Yun Jeong Song, Hun Hee Lee, Hyoungsoo Lim, Namho Hur
  • Publication number: 20160302214
    Abstract: A device for transmitting a media service in a hybrid network, which is a combination of a broadcasting network and a communication network, includes a streaming server, a streaming client, a multiplexer, and a transmitter. The streaming server generates media segments including media data and a metadata file including temporal order information and downloading and reproduction information of the media segments corresponding to a plurality of profiles. The streaming client selects a profile according to a transmission bit ratio appropriate for a broadcasting resource allocation state, requests a media segment with quality that is suitable for the broadcasting resource allocation state from the streaming server, and downloads the same. The multiplexer multiplexes part of information of the metadata file on the profile selected from among the media segment and the metadata file of the plurality of profiles to generate a baseband frame.
    Type: Application
    Filed: January 15, 2016
    Publication date: October 13, 2016
    Inventors: Joungil YUN, Woo-Suk KIM, Byungjun BAE, Hyun-Jeong YIM, Hyoungsoo LIM, Namho HUR
  • Publication number: 20160269763
    Abstract: Disclosed is a method and device for transmitting media data in a digital broadcasting system for allocating media data to a superframe, and transmitting a superframe in which a time length of media data corresponds to a time length of the superframe.
    Type: Application
    Filed: March 10, 2016
    Publication date: September 15, 2016
    Inventors: Woo-Suk KIM, Byungjun BAE, Hyun-Jeong YIM, Hyoungsoo LIM, Namho HUR
  • Publication number: 20160105727
    Abstract: Disclosed is a method and device for providing a broadcasting service, including: acquiring signaling information from a broadcasting signal received from a broadcasting network; acquiring information on a hybrid broadcasting service based upon the signaling information; and determining whether a component to be received through a communication network exists based upon information on the hybrid broadcasting service.
    Type: Application
    Filed: October 8, 2015
    Publication date: April 14, 2016
    Inventors: Hyun-Jeong YIM, Byungjun BAE, Woo-Suk KIM, Joungil YUN, Hyoungsoo LIM, Namho HUR
  • Publication number: 20150288995
    Abstract: A hybrid broadcasting transmitting apparatus generates signaling information including a stream type of a plurality of broadcasting programs and a transmitting network type of the plurality of broadcasting programs, transmits signaling information and a broadcasting stream corresponding to a portion of a plurality of broadcasting programs through the communication network, and transmits signaling information and a broadcasting stream corresponding to the remaining portions of a plurality of broadcasting programs through the broadcasting network.
    Type: Application
    Filed: March 26, 2015
    Publication date: October 8, 2015
    Inventors: Byungjun BAE, Woo-Suk KIM, Hyun-Jeong YIM, Hyoungsoo LIM, Kyu Tae YANG, Namho HUR, Sungheun OH, Minyong KIM, Yongtae SHIN
  • Patent number: 9077410
    Abstract: An apparatus of transmitting data in a multi-carrier system includes: a plurality of pulse-shaping filters for performing pulse shaping of incoming data symbols during a set pulse-shaping period; and a plurality of frequency converters convert signals that are pulse-shaped by the plurality of pulse-shaping filters into signals with frequency bands for a plurality of subcarriers.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: July 7, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yun Jeong Song, Hun Hee Lee, Young Su Kim, Joungil Yun, Byungjun Bae, HyoungSoo Lim, Namho Hur
  • Publication number: 20150139356
    Abstract: An apparatus of transmitting data in a multi-carrier system includes: a plurality of pulse-shaping filters for performing pulse shaping of incoming data symbols during a set pulse-shaping period; and a plurality of frequency converters convert signals that are pulse-shaped by the plurality of pulse-shaping filters into signals with frequency bands for a plurality of subcarriers.
    Type: Application
    Filed: June 12, 2014
    Publication date: May 21, 2015
    Inventors: Yun Jeong SONG, Hun Hee LEE, Young Su KIM, Joungil YUN, Byungjun BAE, HyoungSoo LIM, Namho HUR
  • Publication number: 20150120957
    Abstract: A receiving terminal in a hybrid network receives a video stream through a broadcasting network. The receiving terminal receives a high speed video stream streamed at a high speed for a defined first period from a first time when switching from the broadcasting network to a communication network depending on a receiving state of the broadcasting network is determined, receives a live video stream streamed in a live form from any one time of the first period, and generates a continuous video stream using the video stream received through the broadcasting network, the high speed video stream, and the live video stream.
    Type: Application
    Filed: October 29, 2014
    Publication date: April 30, 2015
    Inventors: Joungil Yun, Byungjun Bae, Kyu Tae Yang, Yun Jeong Song, Hun Hee Lee, Hyoungsoo Lim, Namho Hur
  • Publication number: 20150117447
    Abstract: A terminal device for broadcasting and communication creates a virtual network interface, connects the virtual network interface and a communicating unit of the terminal device for broadcasting and communication to each other, connects the virtual network interface and a broadcasting receiver of the terminal device for broadcasting and communication to each other, activates the virtual network interface, and processes transmitted and received packets via a broadcasting network and a communication network through the virtual network interface.
    Type: Application
    Filed: June 13, 2014
    Publication date: April 30, 2015
    Inventors: Woo-Suk KIM, Byungjun BAE, Hun Hee LEE, Kyu Tae YANG, Hyoungsoo LIM, Namho HUR
  • Publication number: 20150113101
    Abstract: A content provider provides content by receiving a request for streaming content from a user, determining whether a streaming file corresponding to the streaming content is stored in the content provider, and if the streaming file is stored in the content provider, providing the internal protocol (IP) address of the content provider to a web browser.
    Type: Application
    Filed: October 21, 2014
    Publication date: April 23, 2015
    Inventors: Woo-Suk KIM, Byungjun BAE, Hun Hee LEE, Hyoungsoo LIM, Namho HUR
  • Patent number: 8520495
    Abstract: A broadcasting signal transmitting device transmits a broadcasting signal including a base layer signal and an enhancement layer signal as well as an additional layer signal relating to the broadcasting signal to a broadcasting signal receiving device. The broadcasting signal receiving device selectively provides the enhancement layer signal and the additional layer signal to the user according to the user's service level. Accordingly, various services are differently provided to the user according to the user level.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: August 27, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Byungjun Bae, Yun Jeong Song, Jong Soo Lim, Joungil Yun, Kwang-Yong Kim, Kyu Tae Yang, Soo In Lee
  • Publication number: 20110194030
    Abstract: A broadcasting signal transmitting device transmits a broadcasting signal including a base layer signal and an enhancement layer signal as well as an additional layer signal relating to the broadcasting signal to a broadcasting signal receiving device. The broadcasting signal receiving device selectively provides the enhancement layer signal and the additional layer signal to the user according to the user's service level. Accordingly, various services are differently provided to the user according to the user level.
    Type: Application
    Filed: January 27, 2011
    Publication date: August 11, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Byungjun BAE, Yun Jeong SONG, Jong Soo LIM, Joungil YUN, Kwang-Yong KIM, Kyu Tae YANG, Soo In LEE
  • Patent number: 7583696
    Abstract: A digital broadcast protocol conversion system including: a PSIP/PSI extractor for demultiplexing a transport stream of an ATSC broadcast standard to extract PSIP/PSI data; an SI/PSI extractor for demultiplexing a transport stream of a DVB broadcast standard to extract SI/PSI data; a protocol converter for converting the PSIP/PSI data to SI?/PSI? data corresponding to a broadcast protocol of the DVB broadcast standard or converting the SI/PSI data to PSIP?/PSI? data corresponding to a broadcast protocol of the ATSC broadcast standard; and a multiplexer for multiplexing the SI?/PSI? data and the transport stream having the PSIP/PSI data extracted therefrom, or multiplexing the PSIP?/PSI? data and the transport stream having the PSIP/PSI data extracted therefrom, thereby converting the broadcast protocol between different broadcast standards.
    Type: Grant
    Filed: November 1, 2002
    Date of Patent: September 1, 2009
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Byungjun Bae, Joon-Young Choi, Jinhwan Lee, Young-Kwon Hahm, Chieteuk Ahn
  • Publication number: 20090040372
    Abstract: Provided are a digital broadcasting transmitting/receiving apparatus and method. By converting content of a main-program to a stream, converting content of a sub-program forming a single digital broadcasting service through synchronization with the main-program by being subordinated to the main-program to a stream, generating program configuration information containing stream conversion information of the main-program and stream conversion information of the sub-program, multiplexing the converted main-program stream and the generated program configuration information and real-time transmitting the multiplexed signal, and transmitting the converted sub-program stream in non-real-time, various and new premium services with compatibility with existing digital broadcasting services can be provided to users.
    Type: Application
    Filed: April 30, 2008
    Publication date: February 12, 2009
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Byungjun Bae, Sung-Hoon Kim, Suk Hee Cho, Kug Jin Yun, Yong Tae Lee, Heung Mook Kim, Jong Soo Lim, Soo In Lee
  • Patent number: 7321602
    Abstract: A null packet insertion apparatus including a null packet remover for removing an irregularly inserted null packet from an externally received video/audio transport stream; a null packet bit rate calculator for calculating a bit rate of the removed null packet; a GUI for determining the transmission period of a periodic null packet to be newly inserted, based on the calculated bit rate, by an external user; a periodic null packet generator; a multiplexer for regularly inserting the periodic null packet preferentially and inserting the video/audio transport stream with the irregular null packet removed, and performing multiplexing; a non-periodic null packet generator; and a PCR corrector.
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: January 22, 2008
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Byungjun Bae, Joonyoung Choi, Jinhwan Lee, Youngkwon Hahm, Chieteuk Ahn