Patents by Inventor Sung-Pyo Hong

Sung-Pyo 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: 11523303
    Abstract: Provided are methods and devices for data duplicate transmission in a next-generation/5G radio access network. The method of a UE for transmitting data may include configuring a plurality of radio link control (RLC) objects which are linked to a single packet data convergence protocol (PDCP) object and used to process duplicate transmission for a wireless bearer, on the basis of configuration information for configuring duplicate transmission of data received from a base station; receiving a MAC control element comprising indication information indicating an activation state change for the plurality of RLC objects; changing, to an active state, an RLC object indicated by the indication information to be in the active state; and performing duplicate transmission of the data using the activated RLC object.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: December 6, 2022
    Assignee: KT CORPORATION
    Inventor: Sung-pyo Hong
  • Patent number: 11503641
    Abstract: Provided are methods and apparatus for performing communication in an unlicensed band. The method includes: detecting a channel occupation failure of an unlicensed band wireless resource for transmitting and receiving uplink data or downlink data; determining that channel access fails in the unlicensed band wireless resource if the channel occupation failure satisfies certain criteria; and transmitting upper layer signaling to a base station if channel access fails.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: November 15, 2022
    Assignee: KT CORPORATION
    Inventor: Sung-pyo Hong
  • Patent number: 11497066
    Abstract: Provided are a connection control method and device based on integrated access and backhaul (IAB) using 5G NR wireless communication technology. The method of a relay node for processing an RRC message may include: setting a donor base station with a signaling radio bearer or a higher layer protocol connection; receiving an RRC message transmitted from a terminal; and transmitting the RRC message to the donor base station or another relay node using the signaling radio bearer or a higher layer protocol.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: November 8, 2022
    Assignee: KT CORPORATION
    Inventor: Sung-pyo Hong
  • Publication number: 20220346011
    Abstract: Provided are a method and device for controlling sidelink communication. The method may include receiving sidelink discontinuous reception configuration information, configuring the sidelink discontinuous reception configuration information in the terminal, and discontinuously monitoring a physical sidelink control channel (PSCCH) on the basis of discontinuous reception (DRX) parameters included in the sidelink discontinuous reception configuration information.
    Type: Application
    Filed: September 21, 2020
    Publication date: October 27, 2022
    Applicant: KT CORPORATION
    Inventor: Sung-pyo HONG
  • Publication number: 20220338291
    Abstract: Provided are a method and device for switching between unicast transmission and multicast/broadcast service (MBS) transmission in a cellular wireless communication network. The method for a base station to switch MBS data transmission may include: transmitting configuration information for reception of MBS data of a user equipment (UE) to the UE; transmitting information instructing a change of radio bearer for the reception of the MBS data to the UE; and receiving a packet data convergence protocol (PDCP) status report from the UE.
    Type: Application
    Filed: September 10, 2020
    Publication date: October 20, 2022
    Applicant: KT CORPORATION
    Inventor: Sung-pyo HONG
  • Publication number: 20220240283
    Abstract: Provided are apparatus and method for communication in a non-terrestrial network (NTN). The method may include: receiving, from a base station, HARQ process activation indication information indicating whether to activate an HARQ process operation; determining whether to perform the HARQ process operation for a downlink signal on the basis of information included in the downlink signal when the downlink signal is received from the base station if the HARQ process operation deactivation is configured by the HARQ process activation indication information; and transmitting, to the base station, feedback information for the downlink signal when performing the HARQ process operation for the downlink signal is determined.
    Type: Application
    Filed: March 6, 2020
    Publication date: July 28, 2022
    Applicant: KT CORPORATION
    Inventor: Sung-pyo HONG
  • Publication number: 20220158770
    Abstract: Provided is a method of a terminal for performing communication by using a non-terrestrial network (NTN). The method may include receiving, from a base station, HARQ operation activation indication information for indicating whether to activate an HARQ operation; configuring a HARQ process based on the HARQ operation enabling indication information; and identifying and controlling HARQ operations for a downlink signal according to whether the HARQ process configured whether to enable or disable the HARQ operation.
    Type: Application
    Filed: March 10, 2020
    Publication date: May 19, 2022
    Applicant: KT CORPORATION
    Inventor: Sung-pyo HONG
  • Patent number: 11330573
    Abstract: Provided are a method and an apparatus for providing point-to-multipoint transmission in a single cell in a mobile communication network. The method may include receiving system information for single-cell multi-transmission in a primary cell (PCell); receiving single-cell multi-transmission control information in the primary cell; and checking whether a neighboring cell provides a single-cell multi-transmission, using the single-cell multi-transmission control information.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: May 10, 2022
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Woo-jin Choi
  • Publication number: 20220086715
    Abstract: Disclosed is a terminal and a base station for communicating each other by using a non-terrestrial network (NTN). A method of a terminal may include the steps of receiving, from a base station, configuration information for cell changing or beam failure recovery, determining, by using the configuration information, whether a trigger condition for cell changing or beam failure recovery is satisfied, and performing a cell changing or beam failure recovery operation when the trigger condition is satisfied; and an apparatus.
    Type: Application
    Filed: December 30, 2019
    Publication date: March 17, 2022
    Applicant: KT CORPORATION
    Inventors: Sung-pyo HONG, Ki-tae KIM
  • Publication number: 20220086671
    Abstract: Disclosed is a technique for enabling a terminal and a base station to communicate through a non-terrestrial network. A method of a terminal for communicating through a non-terrestrial network (NTN) includes the steps of: receiving, from a base station, configuration information for controlling cell measurement or cell measurement reporting in the NTN; determining whether to perform cell measurement or cell measurement reporting by using the configuration information; and controlling a cell measurement or cell measurement reporting operation according to the determination result.
    Type: Application
    Filed: December 30, 2019
    Publication date: March 17, 2022
    Applicant: KT CORPORATION
    Inventor: Sung-pyo HONG
  • Patent number: 11252635
    Abstract: Provided are a data processing method and device based on integrated access and backhaul (IAB) using 5G NR wireless communication technology. A method of a relay node may be provided for processing uplink user data. The method may include: receiving uplink user data from a user equipment; deriving a user equipment bearer identifier (UE-bearer-ID) by using logical channel identification information linked to an RLC PDU of uplink user data; selecting a backhaul RLC channel for transmission of uplink user data on the basis of at least one among a user equipment bearer identifier and donor base station address information; and transmitting uplink user data, via the selected backhaul RLC channel, to a donor base station or another relay node.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: February 15, 2022
    Assignee: KT CORPORATION
    Inventor: Sung-pyo Hong
  • Publication number: 20220013249
    Abstract: Provided is an ultra-high-voltage direct-current (DC) power cable system. Specifically, the present disclosure relates to an ultra-high-voltage DC power cable system capable of simultaneously preventing or minimizing electric field distortion, a reduction of DC dielectric strength, and a reduction of impulse breakdown strength due to the accumulation of space charges in an insulating layer of a cable and an insulating material of an intermediate connection part.
    Type: Application
    Filed: September 4, 2019
    Publication date: January 13, 2022
    Inventors: Sung Pyo HONG, Su Bong LEE, Eui Hwan JUNG, O Hyuck KWON, Seung Woo CHO, Sun Kak KIM
  • Publication number: 20220007447
    Abstract: Provided are a method and an apparatus for configuring a sidelink radio bearer on a sidelink interface used for vehicle communication and processing radio link failure. The method may include receiving sidelink radio bearer configuration information for configuring a sidelink radio bearer on a sidelink interface used for the vehicle communication from a base station; configuring the sidelink radio bearer based on the sidelink radio bearer configuration information, and transmitting the sidelink radio bearer configuration information to another UE subject to the vehicle communication; detecting a sidelink radio link failure when an acknowledged mode (AM) radio link control (RLC) entity linked to the sidelink radio bearer reaches a maximum number of retransmissions; and indicating the detection of the sidelink radio link failure to a higher layer regardless of a radio resource control (RRC) state of the UE when the sidelink radio link failure is detected.
    Type: Application
    Filed: October 25, 2019
    Publication date: January 6, 2022
    Applicant: KT CORPORATION
    Inventor: Sung-pyo HONG
  • Publication number: 20220007455
    Abstract: Provided are a terminal and a network node and method thereof for performing communication in a non-terrestrial network. The method includes receiving system information including reference round trip delay offset information of a non-terrestrial network cell, performing a random access procedure in the non-terrestrial network cell; receiving configuration information for performing communication using the non-terrestrial network cell, and controlling a discontinuous reception (DRX) operation on the basis of the configuration information.
    Type: Application
    Filed: September 30, 2019
    Publication date: January 6, 2022
    Applicant: KT CORPORATION
    Inventor: Sung-pyo HONG
  • Publication number: 20210352525
    Abstract: Provided are methods and devices for data duplicate transmission in a next-generation/5G radio access network. The method of a UE for transmitting data may include configuring a plurality of radio link control (RLC) objects which are linked to a single packet data convergence protocol (PDCP) object and used to process duplicate transmission for a wireless bearer, on the basis of configuration information for configuring duplicate transmission of data received from a base station; receiving a MAC control element comprising indication information indicating an activation state change for the plurality of RLC objects; changing, to an active state, an RLC object indicated by the indication information to be in the active state; and performing duplicate transmission of the data using the activated RLC object.
    Type: Application
    Filed: September 19, 2019
    Publication date: November 11, 2021
    Applicant: KT CORPORATION
    Inventor: Sung-pyo HONG
  • Publication number: 20210322927
    Abstract: The present invention relates to a spiral-wound filter module exhibiting almost no heavy metal leaching and a manufacturing method thereof, and specifically, to a spiral-wound filter module, which can be used as a filter for producing safe drinking water by substantially reducing the amount of a heavy metal leached when immersed in water, and a manufacturing method thereof.
    Type: Application
    Filed: April 15, 2021
    Publication date: October 21, 2021
    Applicant: Toray Advanced Materials Korea Inc.
    Inventors: Sung Gun CHO, Sung Pyo HONG
  • Publication number: 20210267007
    Abstract: Provided are a method of a base station for controlling transmission and reception of data through a network slice. The method includes: receiving network slice request information from a terminal in which a network slice is configured; controlling so as to deliver the network slice request information to a core network entity; and receiving, from the core network entity, specific network slice information configured on the basis of the network slice request information.
    Type: Application
    Filed: May 7, 2021
    Publication date: August 26, 2021
    Inventors: Sung-pyo HONG, Woo-jin CHOI
  • Publication number: 20210258918
    Abstract: Provided are apparatus and method for processing MBS data. The method for receiving multicast/broadcast service (MBS) by a user equipment (UE) may include, when handover is determined, receiving, through a source base station, radio bearer configuration information for receiving MBS session data through a target base station, configuring a radio bearer for receiving the MBS session data through the target base station based on the radio bearer configuration information, and receiving the MBS session data through the radio bearer. The radio bearer configuration information is information generated by the target base station and transmitted to the source base station.
    Type: Application
    Filed: February 10, 2021
    Publication date: August 19, 2021
    Applicant: KT CORPORATION
    Inventor: Sung-pyo HONG
  • Publication number: 20210235538
    Abstract: Provided is a method and an apparatus for for changing or controlling a state of a secondary cell in carrier aggregation. The method includes receiving secondary cell (SCell) state indication information indicating a state for a SCell from a base station through an RRC message or an MAC control element, causing a state of the SCell to transition into a dormant state when the SCell state indication information indicates the dormant state, and transmitting channel state information reporting for the SCell in the dormant state according to an dormant state CQI report period parameter set separately from an activation state CQI report period parameter.
    Type: Application
    Filed: April 16, 2021
    Publication date: July 29, 2021
    Inventor: Sung-pyo HONG
  • Publication number: 20210235500
    Abstract: Provided are methods and apparatus for performing communication in an unlicensed band. The method includes: detecting a channel occupation failure of an unlicensed band wireless resource for transmitting and receiving uplink data or downlink data; determining that channel access fails in the unlicensed band wireless resource if the channel occupation failure satisfies certain criteria; and transmitting upper layer signaling to a base station if channel access fails.
    Type: Application
    Filed: August 26, 2019
    Publication date: July 29, 2021
    Applicant: KT CORPORATION
    Inventor: Sung-pyo HONG