Patents by Inventor Ik Park

Ik Park 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: 11889516
    Abstract: Disclosed are a method and an apparatus for transmitting or receiving feedback information in a communication system. An operation method of a terminal comprises the steps of: receiving, from a base station, DCI #1 including scheduling information of PDSCH #1 and transmission resource information of HARQ response #1 with respect to PDSCH #1; receiving, from the base station, DCI #2 including scheduling information of PDSCH #2 and transmission resource information of HARQ response #2 with respect to PDSCH #2; and when the transmission resource information of HARQ response #1 is configured as undefined, transmitting, to the base station, HARQ response #1 and HARQ response #2 by using a resource indicated by the transmission resource information of HARQ response #2. Therefore, the performance of the communication system can be improved.
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: January 30, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hoi Yoon Jung, Sung Ik Park, Heung Mook Kim, Nam Ho Hur
  • Publication number: 20240032071
    Abstract: Disclosed herein is a method for time-division transmission of heterogeneous physical-layer signals. The method may include setting time-division-related information and alternately transmitting heterogeneous physical-layer signals to a terminal over the same frequency resource based on the time-division-related information.
    Type: Application
    Filed: April 7, 2023
    Publication date: January 25, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seok-Ki AHN, Sung-Ik PARK, Sun-Hyoung KWON, Sung-Jun AHN, Jung-Sun UM, Hoi-Yoon JUNG
  • Patent number: 11882481
    Abstract: Disclosed are an apparatus and method for providing an offloading service. A method of providing an offloading service according to an example embodiment includes streaming, to a user terminal including a cellular network receiver and a broadcast network receiver, media content data through a cellular network, transmitting, to the user terminal, an offloading service providing signal for activating the broadcast network receiver of the user terminal through the cellular network, transmitting, to the user terminal, a broadcast signal including connection information of a broadcast network to which the user terminal is to be connected so as to receive the media content data, through the cellular network, and broadcasting the media content data through the broadcast network.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: January 23, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Soon Choul Kim, Sung Ik Park, Jae-young Lee, Hyun-Jeong Yim, Namho Hur, Dong Joon Choi
  • Publication number: 20240023094
    Abstract: A method of a base station may comprise: transmitting, to a terminal, a higher layer message including a first table mapping between cell groups and indicators each indicating the cell groups; transmitting, to the terminal, multi-cell scheduling control information; transmitting, to the terminal, data through multiple cells based on the higher layer message and the multi-cell scheduling control information; and receiving, from the terminal, a response message for the data transmitted through the multiple cells based on the multi-cell scheduling control information, wherein the multi-cell scheduling control information includes first information indicating one cell group at least among the cell groups and uplink resource allocation information.
    Type: Application
    Filed: July 11, 2023
    Publication date: January 18, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jung Sun UM, SUNG IK PARK, Hoi Yoon JUNG, Nam Ho HUR
  • Publication number: 20240022462
    Abstract: An apparatus and method for generating broadcast signal frame using layered division multiplexing are disclosed. The apparatus includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a bootstrap and a preamble using the time-interleaved signal.
    Type: Application
    Filed: July 20, 2023
    Publication date: January 18, 2024
    Inventors: Jae-Young LEE, Sung-Ik PARK, Sun-Hyoung KWON, Heung-Mook KIM, Nam-Ho HUR
  • Patent number: 11876737
    Abstract: Disclosed herein are a transmission apparatus, a reception apparatus and a transmission/reception method for an OFDM-based broadcasting system.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: January 16, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jae-Hyun Seo, Sung-Ik Park, Seok-Ki Ahn, Jae-Young Lee
  • Publication number: 20240015208
    Abstract: Disclosed herein are a content provision method and apparatus using a convergence network. The content provision method may include creating a Quick UDP Internet Connections V1 (QUICV1) path with User Equipment (UE) through a Fifth-Generation (5G) core, when content satisfies a preset condition while the content is being provided to the UE through the QUICV1 path, determining to offload the content through the 5G core, creating an Internet Protocol Security (IPSEC) tunnel with an Advanced Television Systems Committee (ATSC) gateway (GW) through the 5G core, generating a QUIC multicast stream, providing QUIC multicast session information to multiple UE devices, and providing the content to multiple UE devices, for which a mode switches from a QUICV1 mode to a QUIC multicast mode, through the ATSC GW.
    Type: Application
    Filed: March 22, 2023
    Publication date: January 11, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hoi-Yoon JUNG, Sung-Ik PARK, Nam-Ho HUR, David Gomez-Barquero, Carlos Barjau Estevan
  • Patent number: 11861230
    Abstract: An operating method of a controller that controls a memory device includes initializing a clock frequency set corresponding to clock signals provided to a plurality of operation modules included in the controller when a change in a current performance or a change in a host request pattern is detected, determining a target performance on the basis of the current performance given after the clock frequency set is initialized, determining an optimal clock frequency set, in which the current performance is able to be maintained equal to or greater than the target performance, by repeatedly performing an operation of changing at least one clock frequency included in the clock frequency set and an operation of monitoring the current performance given after the clock frequency is changed, and providing the plurality of operation modules with clock signals according to the optimal clock frequency set.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: January 2, 2024
    Assignee: SK hynix Inc.
    Inventors: Kyeong Seok Kim, Jin Soo Kim, Su Ik Park, Yong Joon Joo
  • Patent number: 11855716
    Abstract: Disclosed herein are a method for transmitting a broadcast signal for signaling information about a combination of Layered-Division Multiplexing (LDM) technology and Multiple-Input Multiple-Output (MIMO) technology and an apparatus using the method. The method includes generating first signaling information indicating whether MIMO technology is applied to an enhanced layer by LDM technology, generating second signaling information indicating an MIMO application method when the MIMO technology is applied to the enhanced layer, and generating a broadcast signal using the first signaling information and the second signaling information.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: December 26, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Bo-Mi Lim, Hoi-Yoon Jung, Sung-Ik Park, Hae-Chan Kwon, Sung-Jun Ahn, Nam-Ho Hur, Hyun-Jeong Yim
  • Patent number: 11845437
    Abstract: An embodiment acceleration limit control method includes determining an acceleration limit based on information on a passenger, determining a disturbance torque due to a disturbance, other than a drive source of a vehicle, based on at least a slope, determining a torque limit satisfying the acceleration limit based on the disturbance torque, and determining an output torque to be generated by the drive source based on the torque limit and a driver's requested torque.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: December 19, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Hui Un Son, Sang Joon Kim, Hong Chul Shin, Jae Myoung Pi, Song Il Park, Sang Kyu Park, Soo Bang Lee, Seong Ik Park
  • Publication number: 20230403090
    Abstract: Disclosed herein are a broadcast node and a method for dynamically managing radio resources and heterogeneous network connectivity. The broadcast node is installed for a transmitter of an intelligent broadcast/broadband network, wherein the broadcast node is configured to generate an attribute message including an associated identification parameter for connection to a broadcast core network, and initiate a series of communication protocols for connection with additional intelligent entities, and manage a service request queue, a radio resource, an interface, and one or more services.
    Type: Application
    Filed: December 27, 2022
    Publication date: December 14, 2023
    Inventors: Sun-Hyoung KWON, Sung-Ik PARK, Nam-Ho HUR, Rufino Reydel Cabrera, Eneko Iradier, Jon Montalban, Pablo Angueira
  • Publication number: 20230388399
    Abstract: An apparatus and method for broadcast signal frame using layered division multiplexing are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling time interleaver information shared by the core layer signal and the enhanced layer signal, using the time-interleaved signal.
    Type: Application
    Filed: August 15, 2023
    Publication date: November 30, 2023
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae-Young LEE, Heung-Mook KIM, Sung-Ik PARK, Sun-Hyoung KWON
  • Publication number: 20230378978
    Abstract: A modulator and a modulation method using a non-uniform 16-symbol signal constellation are disclosed. The modulator includes a memory and a processor. The memory receives a codeword corresponding to a low-density parity check (LDPC) code having a code rate of 4/15. The processor maps the codeword to 16 symbols of the non-uniform 16-symbol signal constellation on a 4-bit basis.
    Type: Application
    Filed: August 2, 2023
    Publication date: November 23, 2023
    Inventors: Sung-Ik PARK, Sun-Hyoung KWON, Jae-Young LEE, Heung-Mook KIM, Nam-Ho HUR
  • Patent number: 11820357
    Abstract: Disclosed are a vehicle for generating an acceleration profile based on the acceleration cognitive characteristics of the human and a method of controlling the same. The method includes: receiving a manipulation amount of an accelerator pedal and calculating a first torque value, inserting the first torque value to a function that receives force and outputs acceleration feeling, generating a second torque value by inserting an output value of the function into a first filter for stabilizing the output value, generating a target torque value by inputting the second torque value to a second filter for stabilizing the second torque value, and generating a torque command based on the target torque value.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: November 21, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Lee Hyoung Cho, Ji Won Oh, Sang Joon Kim, Seong Ik Park
  • Publication number: 20230371048
    Abstract: Disclosed herein are a method and apparatus of broadcast gateway signaling for channel bonding. The apparatus for broadcast gateway signaling includes an input formatting unit configured to generate baseband packets corresponding to channel bonding; and a stream partitioner configured to allocate the baseband packets to two or more RF channels of the channel bonding for generating an outer tunnel data stream, the outer tunnel data stream generated in different ways according to a plurality of operation modes for the channel bonding.
    Type: Application
    Filed: July 18, 2023
    Publication date: November 16, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jae-Young LEE, Soon-Choul KIM, Sung-Ik PARK, Heung-Mook KIM
  • Publication number: 20230344449
    Abstract: A zero padding apparatus and method for fixed length signaling information are disclosed. A zero padding apparatus according to an embodiment of the present invention includes a processor configured to generate a LDPC information bit string by deciding a number of groups whose all bits are to be filled with 0 using a difference between a length of the LDPC information bit string and a length of a BCH-encoded bit string, selecting the groups using a shortening pattern order to fill all the bits of the groups with 0, and filling at least a part of remaining groups, which are not filled with 0, with the BCH-encoded bit string; and memory configured to provide the LDPC information bit string to an LDPC encoder.
    Type: Application
    Filed: June 20, 2023
    Publication date: October 26, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung-Ik PARK, Sun-Hyoung KWON, Jae-Young LEE, Heung-Mook KIM
  • Patent number: 11794589
    Abstract: A motor control system and a method thereof are provided for a vehicle having a plurality of motors as a driving power source. The system includes a request torque determination part that determines a request torque requested for the plurality of motors corresponding to a driver request torque. An optimal operating point torque determination part determines an optimal operating point torque for each of the plurality of motors according to a current rotation speed of each of the plurality of motors. An motor torque determination part then determines a target torque for each of the plurality of motors by distributing the request torque to the plurality of motors based on the optimal operating point torque.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: October 24, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Yonghoon Lee, Seong Ik Park
  • Publication number: 20230318625
    Abstract: A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 16200 and a code rate of 3/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM).
    Type: Application
    Filed: June 7, 2023
    Publication date: October 5, 2023
    Inventors: Sung-Ik PARK, Heung-Mook KIM, Sun-Hyoung KWON, Nam-Ho HUR
  • Publication number: 20230318679
    Abstract: Disclosed herein is a method for signal configuration. The method may include evenly dividing, by a signal-bit configuration block, data or information forming signal bits or a signal bitstring and transferring the same to N multiple channels; mapping, by a first spatial path configuration block, a coded bitstring, which is generated through coding and signal processing of the data or information forming the signal bits or the signal bitstring, to cells corresponding to M antennas; and configuring, by a frequency path configuration block, the transmission paths of the cells.
    Type: Application
    Filed: March 27, 2023
    Publication date: October 5, 2023
    Inventors: Jung-Sun UM, Sung-Ik PARK, Hoi-Yoon JUNG, Dong-Joon CHOI, Nam-Ho HUR
  • Patent number: 11778076
    Abstract: An apparatus and method for broadcast signal frame using layered division multiplexing are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling time interleaver information shared by the core layer signal and the enhanced layer signal, using the time-interleaved signal.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: October 3, 2023
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae-Young Lee, Heung-Mook Kim, Sung-Ik Park, Sun-Hyoung Kwon