Patents by Inventor Young-Woo Kwak

Young-Woo Kwak 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: 12126560
    Abstract: Methods, apparatuses, systems, etc. directed to beam management for, and/or for use in connection with, multiple cells and/or multiple transmission/reception points are provided. Among the methods is a method that may include any of determining first and second reference signals sets (RS sets) associated with first and second sets of beams; receiving information for first and second beam failure recovery (BFR) sets corresponding to the first and second RS sets, wherein the information indicates an RS set associated with candidate beams (CB-RS set) and an uplink resource set for each of the first and second BFR sets; determining beam failures based on the first and second RS sets; selecting the CB-RS set and UL resource set from the first or second BFR set; determining an RS of the selected CB-RS set; and transmitting information indicating the beam failures using uplink resources of the selected uplink resource set.
    Type: Grant
    Filed: June 14, 2024
    Date of Patent: October 22, 2024
    Assignee: InterDigital Patent Holdings, Inc.
    Inventors: Young Woo Kwak, Moon Il Lee, Paul Marinier, Afshin Haghighat, Virgil Comsa
  • Publication number: 20240349346
    Abstract: Methods and devices to extend the Channel Occupancy Time (COT) for LBT-free PRACH transmission across consecutive ROs based on blind detection are disclosed. Methods and devices to extend the COT for LBT-free PRACH transmission in case of one or more unused ROs across the consecutive ROs based on dynamic indication from gNB are disclosed. Methods and devices to determine the mode of operation based on the cover-codes are disclosed. Method and devices to support the PRACH transmission from a WTRU in multiple consecutive ROs are disclosed.
    Type: Application
    Filed: August 3, 2022
    Publication date: October 17, 2024
    Applicant: INTERDIGITAL PATENT HOLDING, INC.
    Inventors: Nazli Khan Beigi, Young Woo Kwak, Moon IL Lee, Paul Marinier, Patrict Tooher, Faris Alfarhan
  • Publication number: 20240348292
    Abstract: System(s), method(s), and device(s) for simultaneous transmission and reception is disclosed here. A wireless transmit receive unit (WTRU) may have multiple antenna panels which may be capable of different modes of operation, such as simultaneous DL/DL (S-DD), simultaneous UL/UL (S-UU) and simultaneous DL/UL (S-DU). Further, the WTRU may use each panel independently to communicate with multiple transmission and receive points simultaneously. The WTRU may accomplish this using transmission control indicators, reference signals, monitoring techniques suitable for multiple transmission and reception point communication.
    Type: Application
    Filed: June 25, 2024
    Publication date: October 17, 2024
    Applicant: InterDigital Patent Holdings, Inc.
    Inventors: Loic Canonne-Velasquez, Afshin Haghighat, Young Woo Kwak, Moon Il Lee, Paul Marinier
  • Patent number: 12116520
    Abstract: An etching composition contains phosphoric acid, phosphoric anhydride, a compound represented by the following Formula 1, and a silane compound comprising at least one silicon (Si) atom, excluding the compound represented by Formula 1: wherein, in Formula 1, A is an n-valent radical, where n is an integer of 1 to 6, L is a direct bond or hydrocarbylene, Y is selected from NR1, O, PR2 and S, where R1 to R2 are independently hydrogen, halogen, a substituted or unsubstituted hydrocarbyl group, or non-hydrocarbyl group, X and Z are independently selected from N, O, P and S, and Ra to Rc are independently an unshared electron pair, hydrogen, or a substituted or unsubstituted hydrocarbyl group.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: October 15, 2024
    Assignees: SK Innovation Co., Ltd., SK Inc.
    Inventors: Cheol Woo Kim, Min Kyung Seon, Yu Na Shim, Jae Hoon Kwak, Young Bom Kim, Jong Ho Lee, Jin Kyung Jo
  • Publication number: 20240292388
    Abstract: Method, apparatus, and systems for flexible aperiodic reference signal (RS) transmissions are provided. For example, a method implemented in a wireless transmit/receive unit (WTRU) for wireless communications comprises receiving configuration information of one or more sounding reference signal (SRS) resource sets, each SRS resource set of the one or more SRS resource sets is associated with a slot offset and a set of slot offset deltas; receiving downlink control information (DCI) indicating an SRS request, the SRS request indicates an SRS resource set of the one or more SRS resource sets; determining an SRS configuration from a set of SRS configurations for SRS transmissions; determining a slot for transmitting an SRS based on the determined SRS configuration; and transmitting, in the determined slot, the SRS using resources of the indicated SRS resource set.
    Type: Application
    Filed: May 3, 2024
    Publication date: August 29, 2024
    Inventors: Afshin Haghighat, Paul Marinier, Janet Stern-Berkowitz, Moon IL Lee, Patrick Tooher, Young Woo Kwak, Nazli Khan Beigi
  • Publication number: 20240281653
    Abstract: An artificial neural network is trained using pathology slides, obtained by staining serial sections of a single pathological specimen with a variety of different staining reagents, such that a disease can be determined with a high degree of accuracy. A method for training an artificial neural network, the method includes: generating a training data set including individual training data; and training the artificial neural network on the basis of the training data. A step of generating the training data set includes generating, for all m where 1<=m<=M, m-th training data to be included in the training data set. Generating the m-th training data includes acquiring first to Nth pathology slide images, the slide images being pathology slide images obtained by staining serial sections of a single pathological specimen with different staining reagents; and generating the m-th training data on the basis of the first to Nth pathology slide images.
    Type: Application
    Filed: January 7, 2022
    Publication date: August 22, 2024
    Inventors: Tae Yeong KWAK, In Young PAIK, Sun Woo KIM
  • Publication number: 20240259053
    Abstract: System(s), method(s), and device(s) for simultaneous transmission and reception is disclosed here. A wireless transmit receive unit (WTRU) may have multiple antenna panels which may be capable of different modes of operation, such as simultaneous DL/DL (S-DD), simultaneous UL/UL (S-UU) and simultaneous DL/UL (S-DU). Further, the WTRU may use each panel independently to communicate with multiple transmission and receive points simultaneously. The WTRU may accomplish this using transmission control indicators, reference signals, monitoring techniques suitable for multiple transmission and reception point communication.
    Type: Application
    Filed: August 5, 2021
    Publication date: August 1, 2024
    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
    Inventors: Loic Canonne-Velasquez, Afshin Haghighat, Young Woo Kwak, Moon IL Lee, Paul Marinier
  • Publication number: 20240214137
    Abstract: Systems, methods, and instrumentalities are described herein regarding enhancements of physical channels in Multi-TRP. Reliability enhancements are provided for physical downlink control channel (PDCCH), including, for example, enhanced support for a control resource set (CORESET) combining. Reliability enhancements are provided for physical uplink control channel (PUCCH), including, for example, activation/deactivation of repetition combining, resource selection, etc. Reliability enhancements are provided for physical uplink shared channel (PUSCH), including, for example, spatial relation determination and signaling, configured and dynamic grant enhancements, etc.
    Type: Application
    Filed: March 8, 2024
    Publication date: June 27, 2024
    Applicant: InterDigital Patent Holdings, Inc.
    Inventors: Loic Canonne-Velasquez, Young Woo Kwak, Afshin Haghighat, Moon-il Lee, Tuong Duc Hoang, Paul Marinier, Virgil Comsa
  • Publication number: 20240195667
    Abstract: Procedures, methods, architectures, apparatuses, systems, devices, and computer program products directed to initial access in higher frequencies are provided. Among the methods is a method that may be implemented in a wireless transmit/receive unit and that may include any of receiving a first transmission having a frequency component that carries synchronization signal information and that corresponds to one sync-raster value of a plurality of values of a sync raster; determining one or more parameters based on (i) the one sync-raster value being a member of a partition of a plurality of partitions of the sync raster; and (ii) the partition being indicative of a mode of operation; and receiving a second transmission using the one or more parameters, wherein the second transmission comprises control channel information.
    Type: Application
    Filed: March 31, 2022
    Publication date: June 13, 2024
    Inventors: Nazli KHAN BEIGI, Young Woo KWAK, Moon Il LEE, Paul MARINIER
  • Publication number: 20240171332
    Abstract: Methods, apparatuses, systems, and/or procedures for reference signal (RS) transmissions and receptions in wireless communications (e.g., 5G NR) are disclosed. For example, a method implemented by a wireless transmit/receive unit (WTRU) includes receiving configuration information indicating a set of RS resources, a set of candidate RS resources, and a threshold; receiving a first RS in an RS resource of the set of RS resources; selecting a candidate RS resource from the set of candidate RS resources, based on a determination that a measurement result of the received first RS is less than or equal to the threshold; and receiving a second RS in the selected candidate RS resource.
    Type: Application
    Filed: March 29, 2022
    Publication date: May 23, 2024
    Inventors: Young Woo Kwak, Moon IL Lee, Paul Marinier, Nazli Khan Beigi, Prasanna Herath
  • Publication number: 20240137184
    Abstract: The disclosure relates to a wireless communication system, in which a method performed by a user equipment includes receiving, from a base station, information configuring a plurality of sounding reference signal (SRS) resources that are related with one channel state information-reference signal (CSI-RS) resource, receiving an SRS resource indicator (SRI) indicating at least one SRS resource from among the plurality of SRS resources, obtaining, based on an implicit precoding being indicated for an uplink channel, precoding information for the uplink channel based on the CSI-RS resource related with a most recently transmitted SRS of the at least one SRS resource indicated by the SRI, and transmitting, to the base station, the uplink channel based on the precoding information.
    Type: Application
    Filed: December 22, 2023
    Publication date: April 25, 2024
    Inventors: Hoon-dong NOH, Young-woo KWAK, Cheol-kyu SHIN
  • Publication number: 20240072865
    Abstract: Methods and apparatuses for joint channel state information (CSI) measurement are described herein. A method may include receiving channel state information reference signals (CSI-RSs) from first and second transmit/receive points (TRPs), determining CSI, and selecting one of the TRPs as a primary TRP and a remaining one of the first TRP or the second TRP as a secondary TRP. The method may include reporting information indicating a first CSI for the primary TRP and receiving second CSI-RSs from the TRPs. The method may include determining a second CSI and a precoding matrix indicator (PMI) for the primary TRP, and determining channel coding information for the primary TRP. The method may include determining a second CSI for the secondary TRP, determining, based on channel coding information and the second CSI for the secondary TRP and a PMI for the secondary TRP, and reporting information indicating the PMI for the second TRP.
    Type: Application
    Filed: January 12, 2022
    Publication date: February 29, 2024
    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
    Inventors: Nazli Khan Beigi, Afshin Haghighat, Young Woo Kwak, Moon IL Lee
  • Patent number: 11870731
    Abstract: The disclosure relates to a wireless communication system, in which a method of transmitting an uplink reference signal or channel, according to an embodiment, includes receiving, from a base station, information about a direction of a beam to be used for transmission of the uplink reference signal or channel; performing beamforming on the uplink reference signal or channel based on the information about the direction of the beam; and transmitting the beamformed uplink reference signal or channel to the base station.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: January 9, 2024
    Inventors: Hoon-dong Noh, Young-woo Kwak, Cheol-kyu Shin
  • Publication number: 20240007245
    Abstract: Disclosed is a method of transmitting a sounding reference signal (SRS) of a user equipment in a wireless communication system, including identifying an SRS transmission count based on an SRS periodicity, a number of SRS symbols, an SRS repetition factor, a system frame number, a number of slots per a frame for a subcarrier spacing, and a slot number within the frame for the subcarrier spacing, and transmitting, to a base station, the SRS based on the SRS transmission count.
    Type: Application
    Filed: September 14, 2023
    Publication date: January 4, 2024
    Inventors: Cheol Kyu SHIN, Jeong Ho YEO, Young Woo KWAK, Hoon Dong NOH, Hyun Il YOO
  • Publication number: 20230403058
    Abstract: Methods and apparatuses for seamless switching between frequency ranges are provided herein. A method may include: receiving information identifying channel state information (CSI) reference signal (CSI-RS) resources in a first frequency range (FR), where each of the CSI-RS resources in the first FR is associated with CSI-RS resources in a second FR and the second FR is a lower FR than the first FR; and measuring a signal quality of at least one of the CSI-RS resources in the first FR. The method may further include selecting a subset of the CSI-RS resources in the first FR or the second FR, wherein, on a condition that the measured signal quality meets or exceeds a threshold, the selected subset is in the first FR, and the selection is based on the measured signal quality. The method may further include reporting the measured signal quality.
    Type: Application
    Filed: October 22, 2021
    Publication date: December 14, 2023
    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
    Inventors: Nazli Khan Beigi, Young Woo Kwak, Moon IL Lee, Paul Marinier, Fumihiro Hasegawa
  • Publication number: 20230396385
    Abstract: Systems, apparatus and methods are described for dynamic demodulation signal resource allocation. PDSCH/PUSCH DMRS enhancement is provided. A dynamic indication of reference signal functionality may be provided in a slot for an additional DM-RS. A configured CSI-RS/SRS may be dynamically indicated to use as an additional DM-RS in a slot. Frequency shift/hopping of DM-RS as a function of OFDM symbol and/or the order of OFDM symbol containing DM-RS may increase frequency density within a slot. DM-RS antenna port aggregation may increase DM-RS frequency density. One or more DM-RS antenna ports may be used to demodulate the same layer. PDCCH DMRS enhancement is provided. Frequency shift/hopping of PDCCH DMRS may be provided as a function of a REG index within an REG bundle, OFDM symbol index, etc. Use of multiple types of REG (e.g., low and high DM-RS) and REG type may be determined based on subcarrier spacing, operating frequency band, etc.
    Type: Application
    Filed: March 5, 2021
    Publication date: December 7, 2023
    Inventors: Young Woo Kwak, Moon-il Lee, Paul Marinier, Ghyslain Pelletier
  • Publication number: 20230388089
    Abstract: Methods, apparatuses and systems directed to enhanced control channel and shared channel transmissions at high frequencies are provided. Among the methods is a method that may include any of receiving downlink control information indicating a modulation and coding scheme (MCS), a time domain resource assignment, and a frequency domain resource assignment; obtaining a subcarrier spacing (SCS) and a cyclic prefix (CP) length based on the MCS; determining the time and frequency domain resource assignments based on the SCS and the CP length; and receiving a downlink transmission at time and frequency resources associated with the time and frequency domain resource assignments.
    Type: Application
    Filed: October 14, 2021
    Publication date: November 30, 2023
    Inventors: Young Woo KWAK, Moon IL LEE, Paul MARINIER, Nazli KHAN BEIGI, Prasanna HERATH
  • Patent number: 11791963
    Abstract: A method and user equipment for transmitting a sounding reference signal (SRS) of a user equipment in a wireless communication system are provided. The method includes calculating an SRS transmission count based on at least one of a numerology, an SRS periodicity, a number of SRS symbols, and an SRS repetition factor, and transmitting the SRS based on the SRS transmission count.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: October 17, 2023
    Inventors: Cheol Kyu Shin, Jeong Ho Yeo, Young Woo Kwak, Hoon Dong Noh, Hyun Il Yoo
  • Publication number: 20230318686
    Abstract: Procedures, methods, architectures, apparatuses, systems, devices, and computer program products are disclosed that may be implemented in wireless transmit/receive unit (WTRU). In one representative method, the WTRU may determine a processing time value and/or type from among a plurality of processing time values and/or types and the method may include sending, by the WTRU to a network entity, a first message indicating the determined processing time value and/or type and receiving a second message indicating a confirmation of the determined processing time value and/or type. The method further may include applying, after receiving the confirmation of the determined processing time value type, the determined processing time value and/or type to processing of a target associated with the determined processing time value and/or type.
    Type: Application
    Filed: July 27, 2021
    Publication date: October 5, 2023
    Inventors: Young Woo Kwak, Moon IL Lee, Paul Marinier, Ghyslain Pelletier
  • Publication number: 20230300806
    Abstract: Method, apparatus, and systems for flexible aperiodic reference signal (RS) transmissions are provided. For example, a method implemented in a wireless transmit/receive unit (WTRU) for wireless communications comprises receiving configuration information of one or more sounding reference signal (SRS) resource sets, each SRS resource set of the one or more SRS resource sets is associated with a slot offset and a set of slot offset deltas; receiving downlink control information (DCI) indicating an SRS request, the SRS request indicates an SRS resource set of the one or more SRS resource sets; determining an SRS configuration from a set of SRS configurations for SRS transmissions; determining a slot for transmitting an SRS based on the determined SRS configuration; and transmitting, in the determined slot, the SRS using resources of the indicated SRS resource set.
    Type: Application
    Filed: July 9, 2021
    Publication date: September 21, 2023
    Inventors: Afshin Haghighat, Paul Marinier, Janet Stern-Berkowitz, Moon IL Lee, Patrick Tooher, Young Woo Kwak, Nazli Khan Beigi