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: 10721118
    Abstract: Provided are a method and apparatus for configuring dual-connectivity by a terminal, The method may include: performing configuration by adding a secondary base station signaling radio bearer (SRB); receiving a radio resource control (RRC) message including radio resource configuration information associated with a secondary base station or a secondary cell group through the secondary base station SRB; and transmitting a failure information message to a master base station when it is not possible to comply with the radio resource configuration information included in the RRC message.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: July 21, 2020
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Woo-jin Choi
  • Patent number: 10708893
    Abstract: Provided are a method and a device for transmitting channel state information by using a PUCCH of an SCell when providing carrier aggregation (CA) or dual connectivity (DC) in a E-UTRAN. The method may include: configuring a carrier aggregation by using one primary cell (PCell) and a plurality of secondary cells (SCells) controlled by a base station; receiving an upper layer signaling including configuration information for configuring a physical uplink control channel (PUCCH) transmission function in at least one cell among the plurality of secondary cells; receiving, by using the configuration information, a MAC control element in which activation state indication information for a PUCCH SCell having an uplink control channel transmission function is included; and transmitting channel state information on the PUCCH SCell after the PUCCH SCell is activated according to the activation state indication information.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: July 7, 2020
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Kyujin Park, KyungJun Lee, Woo-jin Choi
  • Publication number: 20200203855
    Abstract: Provided is an intermediate connection system for an ultra-high-voltage direct-current (DC) power cable. Specifically, the present invention relates to an intermediate connection system, for an ultra-high-voltage DC power cable, which is capable of simultaneously preventing or minimizing electric field distortion, a decrease of DC dielectric strength, and a decrease 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: December 4, 2017
    Publication date: June 25, 2020
    Inventors: Soo Bong LEE, Eui Hwan JUNG, Wook Jin LEE, Sung Pyo HONG, Seung Woo CHO
  • Publication number: 20200187069
    Abstract: Provided are a method and a device for performing a UE-based handover in a next generation wireless access network. The method of a UE may include receiving, from a source base station, an upper layer signaling including information on UE-based handover command and information on conditions for handover execution; storing a target cell configuration by using the information on conditions for handover execution; and determining whether to perform a handover procedure to a target cell, by determining whether predetermined conditions for handover are satisfied.
    Type: Application
    Filed: April 16, 2018
    Publication date: June 11, 2020
    Applicant: KT CORPORATION
    Inventors: Sung-pyo HONG, Woo-jin CHOI
  • Patent number: 10681673
    Abstract: Provided are a method and apparatus for enabling a user equipment to perform a paging operation. The method includes: monitoring whether a paging message is present at a set of PDCCH monitoring occasions included in a paging occasion, detecting whether a base station has accessed to a channel including a frequency band over which the paging message is transmitted at one or more of the PDCCH monitoring occasions, and stopping the monitoring when detecting that the base station has accessed the channel.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: June 9, 2020
    Assignee: KT CORPORATION
    Inventor: Sung-pyo Hong
  • Patent number: 10674530
    Abstract: Provided is a method for transmitting, by a terminal, a Buffer Status Report (BSR). The method includes: monitoring whether a regular BSR or a periodic BSR is triggered; determining that a BSR format is a long BSR when there is data available for uplink transmission in one or more Logical Channel Groups (LCGs); and transmitting, to a base station, a BSR for all LCGs having the data available for uplink transmission, which is configured in the long BSR format, when the regular BSR or the periodic BSR is triggered, and an apparatus thereof.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: June 2, 2020
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Woo-jin Choi
  • Patent number: 10667322
    Abstract: Provided are a method and apparatus for changing a connection state by user equipment in a light connection state using a paging message. The method of changing a connection state by user equipment may include receiving, from a base station, an radio resource control (RRC) message including instruction information for instructing state transition into a light connection state, configuring the connection state of the user equipment in the light connection state based on the instruction information, receiving a paging message for the user equipment, and determining to change the connection state of the user equipment based on a user equipment identifier included in the paging message.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: May 26, 2020
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Woo-jin Choi
  • Patent number: 10616871
    Abstract: Provided are a method and an apparatus for processing uplink data. In particular, a method of a terminal for processing uplink data may include receiving configuration information for indicating uplink transmission configuration for an LTE-WLAN Aggregation (LWA) bearer from a base station; determining an uplink transmission path for the LWA bearer based on the configuration information and a transmittable data amount; and transmitting uplink data to the base station through the determined uplink transmission path, wherein the LWA bearer is a bearer configured to transmit the uplink data using at least one of a base station radio resource and a Wireless Local Area Network (WLAN) radio resource.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: April 7, 2020
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Woo-jin Choi
  • Patent number: 10616932
    Abstract: A method may be provided for configuring wireless connection of a terminal with a mobile communication network The method of an access unit may include transmitting, to a central unit, a first message having an uplink RRC message received from the terminal; receiving, from the central unit, a second message having a downlink RRC message; and transmitting the downlink RRC message to the terminal.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: April 7, 2020
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Woo-jin Choi
  • Publication number: 20200084747
    Abstract: Provided are a method and apparatus for enabling a user equipment to perform a paging operation. The method includes: monitoring whether a paging message is present at a set of PDCCH monitoring occasions included in a paging occasion, detecting whether a base station has accessed to a channel including a frequency band over which the paging message is transmitted at one or more of the PDCCH monitoring occasions, and stopping the monitoring when detecting that the base station has accessed the channel.
    Type: Application
    Filed: August 30, 2019
    Publication date: March 12, 2020
    Applicant: KT CORPORATION
    Inventor: Sung-pyo HONG
  • Publication number: 20200059987
    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: November 2, 2017
    Publication date: February 20, 2020
    Applicant: KT CORPORATION
    Inventors: Sung-pyo HONG, Woo-jin CHOI
  • Patent number: 10531326
    Abstract: Provided are a method and apparatus for efficiently controlling carrier aggregation of a terminal in a network using LTE or a next generation radio access technology. The method of the terminal may include receiving IDLE mode measurement configuration information for measuring a channel state in an RRC IDLE mode from a base station, performing at least one of storing and applying the IDLE mode measurement configuration information, and transmitting IDLE mode measurement result information measured in the RRC IDLE mode based on the IDLE mode measurement configuration information to the base station.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: January 7, 2020
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Woo-jin Choi
  • Patent number: 10524189
    Abstract: Disclosed is a technique for an access control operation of a user equipment (UE) in a next-generation mobile communication network, and more specifically, a unified access control method for a UE and a specific access control method for a service with low sensitivity. Further, a method of a UE is provided for performing an access control operation. The method may include receiving operator-defined access category information through non-access stratum (NAS) signaling when an access attempt of the UE is triggered, determining one access category for the access attempt in an NAS layer or an access stratum (AS) layer; selecting RRC establishment cause information associated with the access category; and performing an access barring check operation in the AS layer using access barring parameters associated with the access category.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: December 31, 2019
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Woo-jin Choi
  • Publication number: 20190386779
    Abstract: Provided is a method for a user equipment to duplicately receive an identical control messages. The method includes duplicately receiving identical control messages from a base station and processing the duplicately received identical control messages by mapping same to mutually different logical channels, by using identification information or an identification entity for identifying and processing the duplicately received identical control message.
    Type: Application
    Filed: March 7, 2018
    Publication date: December 19, 2019
    Applicant: KT CORPORATION
    Inventors: Sung-pyo HONG, Woo-jin CHOI
  • Patent number: 10511994
    Abstract: Provided are a method and apparatus for efficiently transmitting a buffer status report for a plurality of logical channel groups (LCG) from a terminal to a base station. The method may include receiving allocation information for uplink resources from a base station; determining whether the number of padding bits for data transmission using the uplink resources is i) greater than or equal to a first value and ii) less than a second value; determining whether available data for uplink transmission is present in one or more logical channel groups (LCGs) when the number of padding bits is greater than or equal to the first value and is less than the second value; and transmitting Short Truncated BSR or Long Truncated BSR to the base station according to a result of comparison between the number of padding bits and the first value when available data for uplink transmission is present in the one or more LCGs.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: December 17, 2019
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Woo-jin Choi
  • Patent number: 10511941
    Abstract: A method may be provided for receiving multicast data by an IoT terminal requiring a low power and a low cost and an apparatus thereof. The method of a terminal may include starting a single cell-point to multipoint (SC-PTM) onduration timer through a MAC when discontinuous reception (DRX) is configured for a group-radio network temporary identifier (G-RNTI); monitoring a physical downlink control channel (PDCCH) during an active time; controlling at least one of the SC-PTM onduration timer and the SC-PTM inactivity timer when the PDCCH includes information indicating downlink transmission; and repeatedly receiving the multicast data through a physical downlink shared channel (PDSCH) of one or more subframes and an apparatus thereof.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: December 17, 2019
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Woo-jin Choi
  • Patent number: 10506659
    Abstract: Provided are a method and an apparatus for processing a Radio Link Failure (RLF) when duplicate data transmission is performed via single-BS-based CA. The method of processing an RLF by a user equipment (UE) may include: receiving, from a Base Station (BS), higher layer signaling including information for configuring duplicate data transmission via single BS-based CA; configuring a logical channel restricted to one or more secondary cells and a Radio Link Control (RLC) entity for duplicate transmission, based on the higher layer signaling; and transmitting, to the BS, a secondary cell failure report without performing RRC re-establishment procedure, when an RLF occurs in the RLC entity.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: December 10, 2019
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Woo-jin Choi
  • Publication number: 20190357109
    Abstract: Provided are a method and an apparatus for a NarrowBand-Internet of Things (NB-IoT) terminal to perform a mobility process. The method may include: transmitting an RRC connection re-establishment request message to a base station when a pre-set event occurs; receiving an RRC connection re-establishment message from the base station; and resuming a signaling radio bearer on the basis of the RRC connection re-establishment message.
    Type: Application
    Filed: July 20, 2017
    Publication date: November 21, 2019
    Applicant: KT CORPORATION
    Inventors: Sung-pyo HONG, Woo-jin CHOI
  • Publication number: 20190357119
    Abstract: An access control technology in a next generation mobile communication network is disclosed. More specifically, disclosed is a technology for controlling an access control operation of a terminal through an integrated category by various methods and layers. One embodiment provides a method by which a terminal performs integrated access control, comprising the steps of: receiving, from a base station, system information including information for access control; indicating access category information from an NAS layer to an AS layer of the terminal when an access attempt is triggered; confirming whether access barring parameter information is included in the system information; and controlling an access barring check operation in the AS layer by using at least one of the access category information and the access barring parameter information.
    Type: Application
    Filed: January 29, 2018
    Publication date: November 21, 2019
    Applicant: KT CORPORATION
    Inventors: Sung-pyo HONG, Woo-jin CHOI
  • Patent number: 10485042
    Abstract: Provided are a method and a device for configuring or reconfiguring a wireless data bearer for transmitting user plane data. The method may include: receiving, from a base station, an upper layer signaling including information for changing a data wireless bearer type for a specific wireless bearer configured to receive downlink data by using only a WLAN wireless resource; performing a packet data convergence protocol (PDCP) data recovery procedure in a PDCP entity on the basis of the information for changing the data wireless bearer type for the specific wireless bearer; and performing a reordering procedure for the specific wireless bearer in the PDCP entity.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: November 19, 2019
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Woo-jin Choi