Patents by Inventor Seung-Eun Hong

Seung-Eun Hong 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).

  • Patent number: 10834732
    Abstract: Provided is an apparatus and method for transmitting and receiving data using multiple paths in a wireless communication system using a distributed Media Access Control (MAC). More particularly, provided is an apparatus and method for transmitting and receiving data that may select a path with a better channel status from multiple paths that include a direct path using a Line of Sight (LOS) and a relay path passing through a relay apparatus, in a wireless communication system that may transmit data via the LOS using a distributed MAC and a directional antenna.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: November 10, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyoung Jin Kwon, Jin Kyeong Kim, Yong Sun Kim, Kyeongpyo Kim, Seung Eun Hong, Woo Yong Lee
  • Patent number: 10812175
    Abstract: Provided is an apparatus and method for wideband short-range wireless communication using a directional antenna in a millimeter wave band, and the method for wideband short-range wireless communication according to an embodiment may determine a first time interval and a second time interval for a cooperated data frame transfer based on a packet transmission time at each transmission from a source node to a destination node, transmit a frame to a relay node through an antenna pattern directed towards the relay node at a start point of the first time interval, and transmit the frame to the destination node through an antenna pattern directed towards the destination node after a predetermined period of time from a start point of the second time interval.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: October 20, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kap Seok Chang, Hyoung Jin Kwon, Sung Geun Jin, Yong Sun Kim, Seung Eun Hong, Woo Yong Lee, Hyun Kyu Chung
  • Patent number: 10764790
    Abstract: Provided is a communication method of a coordinator in a wireless networks system that uses a reservation-based media access control (MAC). The communication method includes receiving, from a source device, a frame that requests a reservation resource for a relay device, to enable a frame that the source device transmits to a destination device to be relayed via the relay device, and allocating the reservation resource for the relay device, in response to the request.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: September 1, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyoung Jin Kwon, Yong Sun Kim, Kap Seok Chang, Seung Eun Hong, Sung Geun Jin, Woo Yong Lee, Hyun Kyu Chung
  • Publication number: 20200177242
    Abstract: Disclosed are methods for transmitting and receiving beamforming-based signals in a communication system. An operation method of a terminal may comprise transmitting capability information of the terminal to an AN; receiving first configuration information of a network cluster configured based on the capability information from the AN; transmitting an SRS in a beamforming scheme through resources indicated by the first configuration information; receiving second configuration information of a user cluster configured based on a measurement result of the SRS from the AN; and performing cooperative communication with ANs belonging to the user cluster, which are indicated by the second configuration information. Accordingly, the performance of the communication system can be improved.
    Type: Application
    Filed: November 21, 2019
    Publication date: June 4, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Min Hyun KIM, Tae Gyun NOH, In Kyeong CHOI, Seung Eun HONG
  • Publication number: 20200169301
    Abstract: A hybrid beamforming based cooperative transmission system may comprise comprising a centralized processor (CP), access nodes (ANs) connected to the CP, and fronthaul links connecting the CP to the ANs. The CP may provide an outer precoding matrix for a first AN of the ANs, which is derived from global statistical channel state information (CSI) generated from local statistical CSI collected from the ANs, to the first AN via the fronthaul link; and the first AN may configure a radio frequency (RF) precoder of the first AN based on the outer precoding matrix, and configure a digital precoder of the first AN based on local instantaneous effective CSI between the first AN and first terminals to be served by the first AN.
    Type: Application
    Filed: November 22, 2019
    Publication date: May 28, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung Eun HONG, Min Hyun KIM, Tae Gyun NOH, In Kyeong CHOI
  • Publication number: 20190356579
    Abstract: Provided is a method and apparatus for setting a detour path in a wideband high frequency wireless system using a centralized Media Access Control (MAC) protocol. Here, in a wireless system using the centralized MAC protocol where a time synchronization and a band allocation may be performed by a single central control unit, when a signal blockage occurs while a data communication is being performed via a direct path between a source device and a destination device, the detour path may be quickly provided.
    Type: Application
    Filed: August 1, 2019
    Publication date: November 21, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Eun HONG, Kyeongpyo KIM, Yong Sun KIM, Hyoung Jin KWON, Woo Yong LEE
  • Publication number: 20190312632
    Abstract: Provided is an apparatus and method for wideband short-range wireless communication using a directional antenna in a millimeter wave band, and the method for wideband short-range wireless communication according to an embodiment may determine a first time interval and a second time interval for a cooperated data frame transfer based on a packet transmission time at each transmission from a source node to a destination node, transmit a frame to a relay node through an antenna pattern directed towards the relay node at a start point of the first time interval, and transmit the frame to the destination node through an antenna pattern directed towards the destination node after a predetermined period of time from a start point of the second time interval.
    Type: Application
    Filed: June 24, 2019
    Publication date: October 10, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kap Seok CHANG, Hyoung Jin KWON, Sung Geun JIN, Yong Sun KIM, Seung Eun HONG, Woo Yong LEE, Hyun Kyu CHUNG
  • Publication number: 20190254039
    Abstract: Provided is an apparatus and method for transmitting and receiving data using multiple paths in a wireless communication system using a distributed Media Access Control (MAC). More particularly, provided is an apparatus and method for transmitting and receiving data that may select a path with a better channel status from multiple paths that include a direct path using a Line of Sight (LOS) and a relay path passing through a relay apparatus, in a wireless communication system that may transmit data via the LOS using a distributed MAC and a directional antenna.
    Type: Application
    Filed: April 29, 2019
    Publication date: August 15, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyoung Jin KWON, Jin Kyeong KIM, Yong Sun KIM, Kyeongpyo KIM, Seung Eun HONG, Woo Yong LEE
  • Patent number: 10382318
    Abstract: Provided is a method and apparatus for setting a detour path in a wideband high frequency wireless system using a centralized Media Access Control (MAC) protocol. Here, in a wireless system using the centralized MAC protocol where a time synchronization and a band allocation may be performed by a single central control unit, when a signal blockage occurs while a data communication is being performed via a direct path between a source device and a destination device, the detour path may be quickly provided.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: August 13, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Eun Hong, Kyeongpyo Kim, Yong Sun Kim, Hyoung Jin Kwon, Woo Yong Lee
  • Patent number: 10361770
    Abstract: Provided is an apparatus and method for wideband short-range wireless communication using a directional antenna in a millimeter wave band, and the method for wideband short-range wireless communication according to an embodiment may determine a first time interval and a second time interval for a cooperated data frame transfer based on a packet transmission time at each transmission from a source node to a destination node, transmit a frame to a relay node through an antenna pattern directed towards the relay node at a start point of the first time interval, and transmit the frame to the destination node through an antenna pattern directed towards the destination node after a predetermined period of time from a start point of the second time interval.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: July 23, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kap Seok Chang, Hyoung Jin Kwon, Sung Geun Jin, Yong Sun Kim, Seung Eun Hong, Woo Yong Lee, Hyun Kyu Chung
  • Patent number: 10278188
    Abstract: Provided is an apparatus and method for transmitting and receiving data using multiple paths in a wireless communication system using a distributed Media Access Control (MAC). More particularly, provided is an apparatus and method for transmitting and receiving data that may select a path with a better channel status from multiple paths that include a direct path using a Line of Sight (LOS) and a relay path passing through a relay apparatus, in a wireless communication system that may transmit data via the LOS using a distributed MAC and a directional antenna.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: April 30, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyoung Jin Kwon, Jin Kyeong Kim, Yong Sun Kim, Kyeongpyo Kim, Seung Eun Hong, Woo Yong Lee
  • Publication number: 20190124557
    Abstract: A method of operating a network coordinator for a spatial reuse scheme includes receiving a reservation request for a time period for a data communication of a target transmitter/receiver pair that uses a directional antenna, searching for a time period reserved in advance for another transmitter/receiver pair, from a Channel Time Allocation Period (CTAP) that is a contention-free access period for the data communication, and reserving a time period for the target transmitter/receiver pair in the CTAP, so that the time period reserved for the target transmitter/receiver pair overlaps the time period reserved in advance for the other transmitter/receiver pair.
    Type: Application
    Filed: December 13, 2018
    Publication date: April 25, 2019
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kyeongpyo KIM, Seung Eun HONG, Woo Yong LEE, Hyun Kyu CHUNG
  • Patent number: 10159015
    Abstract: A method of operating a network coordinator for a spatial reuse scheme includes receiving a reservation request for a time period for a data communication of a target transmitter/receiver pair that uses a directional antenna, searching for a time period reserved in advance for another transmitter/receiver pair, from a Channel Time Allocation Period (CTAP) that is a contention-free access period for the data communication, and reserving a time period for the target transmitter/receiver pair in the CTAP, so that the time period reserved for the target transmitter/receiver pair overlaps the time period reserved in advance for the other transmitter/receiver pair.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: December 18, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kyeongpyo Kim, Seung Eun Hong, Woo Yong Lee, Hyun Kyu Chung
  • Patent number: 10096907
    Abstract: There are provided an antenna apparatus and a method of handover using the antenna apparatus. The antenna apparatus may comprise a plurality of antenna elements forming a plurality of beams in a predetermined service area. The plurality of antenna elements are arranged in a plurality of rows, and a number of antenna elements included in an uppermost row of the plurality of rows is smaller than a number of antenna elements included in a downmost row of the plurality of rows, and differences between center angles of beams formed by the antenna elements included in the downmost row are larger than differences between center angles of beams formed by the antenna elements included in the uppermost row.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: October 9, 2018
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Eun Hong, Moon Sik Lee, Young Seog Song, Jun Hwan Lee, Eun Young Choi, Il Gyu Kim, Seung Chan Bang
  • Publication number: 20180184335
    Abstract: Provided is a communication method of a coordinator in a wireless networks system that uses a reservation-based media access control (MAC). The communication method includes receiving, from a source device, a frame that requests a reservation resource for a relay device, to enable a frame that the source device transmits to a destination device to be relayed via the relay device, and allocating the reservation resource for the relay device, in response to the request.
    Type: Application
    Filed: February 23, 2018
    Publication date: June 28, 2018
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyoung Jin KWON, Yong Sun KIM, Kap Seok CHANG, Seung Eun HONG, Sung Geun JIN, Woo Yong LEE, Hyun Kyu CHUNG
  • Publication number: 20180132247
    Abstract: Provided is an apparatus and method for transmitting and receiving data using multiple paths in a wireless communication system using a distributed Media Access Control (MAC). More particularly, provided is an apparatus and method for transmitting and receiving data that may select a path with a better channel status from multiple paths that include a direct path using a Line of Sight (LOS) and a relay path passing through a relay apparatus, in a wireless communication system that may transmit data via the LOS using a distributed MAC and a directional antenna.
    Type: Application
    Filed: January 8, 2018
    Publication date: May 10, 2018
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyoung Jin KWON, Jin Kyeong KIM, Yong Sun KIM, Kyeongpyo KIM, Seung Eun HONG, Woo Yong LEE
  • Publication number: 20180131600
    Abstract: Provided is a method and apparatus for setting a detour path in a wideband high frequency wireless system using a centralized Media Access Control (MAC) protocol. Here, in a wireless system using the centralized MAC protocol where a time synchronization and a band allocation may be performed by a single central control unit, when a signal blockage occurs while a data communication is being performed via a direct path between a source device and a destination device, the detour path may be quickly provided.
    Type: Application
    Filed: January 5, 2018
    Publication date: May 10, 2018
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Eun HONG, Kyeongpyo KIM, Yong Sun KIM, Hyoung Jin KWON, Woo Yong LEE
  • Patent number: 9906987
    Abstract: A communication method of a coordinator in a wireless networks system that uses a reservation-based media access control (MAC). The communication method includes receiving, from a source device, a frame that requests a reservation resource for a relay device, to enable a frame that the source device transmits to a destination device to be relayed via the relay device, and allocating the reservation resource for the relay device, in response to the request.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: February 27, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyoung Jin Kwon, Yong Sun Kim, Kap Seok Chang, Seung Eun Hong, Sung Geun Jin, Woo Yong Lee, Hyun Kyu Chung
  • Patent number: 9900243
    Abstract: Provided is a method and apparatus for setting a detour path in a wideband high frequency wireless system using a centralized Media Access Control (MAC) protocol. Here, in a wireless system using the centralized MAC protocol where a time synchronization and a band allocation may be performed by a single central control unit, when a signal blockage occurs while a data communication is being performed via a direct path between a source device and a destination device, the detour path may be quickly provided.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: February 20, 2018
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Eun Hong, Kyeongpyo Kim, Yong Sun Kim, Hyoung Jin Kwon, Woo Yong Lee
  • Publication number: 20180049070
    Abstract: A method of operating a network coordinator for a spatial reuse scheme includes receiving a reservation request for a time period for a data communication of a target transmitter/receiver pair that uses a directional antenna, searching for a time period reserved in advance for another transmitter/receiver pair, from a Channel Time Allocation Period (CTAP) that is a contention-free access period for the data communication, and reserving a time period for the target transmitter/receiver pair in the CTAP, so that the time period reserved for the target transmitter/receiver pair overlaps the time period reserved in advance for the other transmitter/receiver pair.
    Type: Application
    Filed: October 23, 2017
    Publication date: February 15, 2018
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kyeongpyo KIM, Seung Eun HONG, Woo Yong LEE, Hyun Kyu CHUNG