Patents by Inventor JaYeong KIM

JaYeong KIM 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: 12294414
    Abstract: The present specification provides a method and a device, the method, performed by a device, for transmitting a first pulse train in a quantum communication system being characterized by: receiving a random access (RA) preamble from another device; transmitting an RA response (RAR) to the other device as a response to the RA preamble; performing a radio resource control (RRC) connection process with the other device; receiving data from the other device; and decoding the data on the basis of key information, wherein a first pulse train is generated in a laser diode of the device, and the key information is determined on the basis that the first pulse train passes through both a first path and a second path and is then transmitted from the device to the other device via a quantum channel.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: May 6, 2025
    Assignee: LG ELECTRONICS INC.
    Inventors: Byungkyu Ahn, Sangrim Lee, Hojae Lee, JaYeong Kim
  • Patent number: 12284273
    Abstract: Provided is a method and device for correcting an error in a communication system, the method including: transmitting, to another device, data encrypted based on key information. The key information is obtained by: incident a detection pulse on a variable Faraday rotating mirror and a reference pulse on a first mirror, respectively, wherein the detection pulse and the reference pulse are pulses branched from a test pulse; generating a first current in a balanced photodetector (BPD) based on a first component obtained as the detection pulse is reflected from the variable Faraday rotating mirror and a second component obtained as the reference pulse is reflected from the first mirror; converting the first current into a second current; incident the second current on the variable Faraday rotating mirror; and correcting the error in the variable Faraday rotating mirror based on the incident second current.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: April 22, 2025
    Assignee: LG Electronics Inc.
    Inventors: JaYeong Kim, Hojae Lee, Byungkyu Ahn, Byounghoon Kim, Sangrim Lee
  • Publication number: 20250068957
    Abstract: Provided is an operation method of a first node in a communication system, according to various embodiments of the present disclosure, the method comprising the steps of: receiving one or more synchronization signals from a second node; receiving system information from the second node; identifying, for a bit flip channel, a bit correlation of a first number of n first qubits constituting an entanglement state between the first node and the second node; generating, on the basis of the bit correlation, a second number of n?1 auxiliary qubits; after an interaction with respect to the bit flip channel occurs, determining, on the basis of the second number of n?1 auxiliary qubits, whether a bit flip error has occurred with respect the entanglement state; and, if the bit flip error is determined to have occurred, carrying out error correction by means of a bit flip operation for the first qubits.
    Type: Application
    Filed: December 28, 2022
    Publication date: February 27, 2025
    Inventors: Jayeong Kim, Sangrim Lee, Hojae Lee, Byungkyu Ahn
  • Publication number: 20250038846
    Abstract: The present disclosure relates to a quantum communication system. Particularly, the present disclosure relates to a device and a method for performing two-step quantum secure direct communication (QSDC) with a reduced complexity without measuring a quantum memory and a bell state of a receiver in a quantum communication system.
    Type: Application
    Filed: November 29, 2022
    Publication date: January 30, 2025
    Applicant: LG ELECTRONICS INC.
    Inventors: Byungkyu AHN, Sangrim LEE, Hojae LEE, JaYeong KIM
  • Publication number: 20250015890
    Abstract: A method and a device used in an optical wireless communication (OWC) system are provided. A transmitting terminal transmits a plurality of reference signals to a receiving terminal through each of a plurality of beams. Each of the plurality of beams may have an inhomogeneous polarization beam pattern. The receiving terminal measures signal strength and polarization with respect to the plurality of reference signals. When the receiving terminal transmits feedback information including the measured signal strength information and polarization information to the transmitting terminal, the transmitting terminal may select at least one beam among the plurality of beams on the basis of the feedback information. Alternatively, the receiving terminal may select at least one beam from among the plurality of beams, which corresponds to at least one inhomogeneous polarization beam pattern among a plurality of inhomogeneous polarization beam patterns, on the basis of the measured signal strength and polarization.
    Type: Application
    Filed: October 4, 2022
    Publication date: January 9, 2025
    Inventors: Hojae LEE, Sangrim LEE, Kijun JEON, JaYeong KIM, Byungkyu AHN
  • Patent number: 12171004
    Abstract: The present invention relates to a method of performing measurement by a user equipment (UE) in a wireless communication system. In particular, the method includes the steps of: when an uplink data transmission occurs in a measurement gap, determining a starting point of a temporary measurement gap based on a completion time of the uplink data transmission; transmitting information about the temporary measurement gap including the starting point of the temporary measurement gap; transmitting an uplink data during the measurement gap; and performing measurements during the temporary measurement gap.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: December 17, 2024
    Assignee: LG Electronics Inc.
    Inventors: Eunjong Lee, Sunghoon Jung, Jayeong Kim
  • Publication number: 20240396591
    Abstract: A method performed by a first wireless device in a wireless communication system, according to one embodiment of the present specification, comprises the steps of: transmitting, to a second wireless device, a signal to which a specific beam is applied; receiving, from the second wireless device, feedback information generated on the basis of the signal; and determining, on the basis of the feedback information, a beam related to the second wireless device.
    Type: Application
    Filed: September 7, 2021
    Publication date: November 28, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Hojae LEE, Sangrim LEE, Kijun JEON, Jayeong KIM, Byungkyu AHN
  • Patent number: 12126387
    Abstract: Provided are a device and a method performed by the device to correct an error in a quantum communication system. The method is characterized by comprising: transmitting a random access (RA) preamble to another device; receiving a random access response (RAR) from the other device as a response to the RA preamble; performing a radio resource control (RRC) connection procedure with the other device; and transmitting data to the other device, wherein the data is encoded on the basis of key information, the error is measured on the basis of a test pulse, and the key information is distributed to the device and the other device on the basis of the error being corrected using an improved Faraday rotator mirror of the device.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: October 22, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: JaYeong Kim, Byungkyu Ahn, Sangrim Lee, Hojae Lee
  • Publication number: 20240340044
    Abstract: A method performed by means of a first wireless device in a wireless communication system, according to one embodiment of the present specification, comprises the steps of: transmitting, to a second wireless device, a first signal to which a first specific beam is applied; transmitting, to the second wireless device, a second signal to which a second specific beam is applied; receiving, from the second wireless device, feedback information generated on the basis of the first signal and the second signal; and determining, on the basis of the feedback information, a beam related to the second wireless device.
    Type: Application
    Filed: September 28, 2021
    Publication date: October 10, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Hojae LEE, Sangrim LEE, Kyungho LEE, Kijun JEON, Jayeong KIM, Byungkyu AHN
  • Patent number: 12075406
    Abstract: The present invention relates to a method of performing a Scheduling Request (SR) by a User Equipment (UE) in a wireless communication system. In particular, the method includes the steps of: configuring a logical channel, wherein a SR transmission of the logical channel is prioritized over any Physical Uplink Shared Channel (PUSCH) transmission; and based on the SR being triggered due to the logical channel, transmitting the SR to a network.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: August 27, 2024
    Assignee: LG Electronics Inc.
    Inventors: Sunyoung Lee, Jayeong Kim, Seungjune Yi
  • Publication number: 20240267133
    Abstract: The present specification provides a quantum secure direct communication (QSDC) method by which a transmitting end transmits a message on the basis of differential time coding, in a quantum communication system.
    Type: Application
    Filed: July 21, 2021
    Publication date: August 8, 2024
    Inventors: Byungkyu AHN, Sangrim LEE, Hojae LEE, Jayeong KIM
  • Publication number: 20240086743
    Abstract: Disclosed herein is a method of operating a terminal in a wireless communication system. As an example of the present disclosure, the method may include: receiving information on at least one of a first split point and a second split point from a base station; performing first split inference based on the first split point and generating first intermediate data; transmitting the first intermediate data to the base station; receiving second intermediate data generated based on the second split point from the base station; performing remaining split inference from the second split point based on the second intermediate data; and adjusting the second split point based on the second intermediate data.
    Type: Application
    Filed: December 1, 2021
    Publication date: March 14, 2024
    Inventors: Ikjoo JUNG, Sangrim LEE, Kyung Ho LEE, Jayeong KIM, Tae Hyun LEE
  • Publication number: 20240073732
    Abstract: In order to provide device and method for adjusting split point in wireless communication system, a method of operating a terminal in a wireless communication system may comprise requesting a base station for uplink channel quality information, receiving, from the base station, the uplink channel quality information, determining a first split point based on the channel quality information, performing first split inference based on the determined first split point and transmitting, to the base station, first split inference result information.
    Type: Application
    Filed: October 28, 2021
    Publication date: February 29, 2024
    Inventors: Ikjoo JUNG, Sangrim LEE, Jayeong KIM, Taehyun LEE
  • Publication number: 20240056293
    Abstract: A communication system supporting quantum key distribution is disclosed. A method performed by a first device comprises transmitting or receiving a random access (RA) preamble to or from a second device, receiving or transmitting a random access response (RAR) message from or to the second device as a response to the RA preamble, performing a radio resource control (RRC) connection procedure with the second device, generating a sift key for communication with the second device and performing communication through a radio channel with the second device using the sift key.
    Type: Application
    Filed: November 12, 2021
    Publication date: February 15, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Jayeong KIM, Byoung Hoon KIM, Hojae LEE, Sangrim LEE, Byungkyu AHN
  • Publication number: 20240039641
    Abstract: Provided are a device and a method performed by the device to correct an error in a quantum communication system. The method is characterized by comprising: transmitting a random access (RA) preamble to another device; receiving a random access response (RAR) from the other device as a response to the RA preamble; performing a radio resource control (RRC) connection procedure with the other device; and transmitting data to the other device, wherein the data is encoded on the basis of key information, the error is measured on the basis of a test pulse, and the key information is distributed to the device and the other device on the basis of the error being corrected using an improved Faraday rotator mirror of the device.
    Type: Application
    Filed: July 2, 2020
    Publication date: February 1, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: JaYeong KIM, Byungkyu AHN, Sangrim LEE, Hojae LEE
  • Publication number: 20240031786
    Abstract: A method for performing reinforcement learning by a V2X communication device in an autonomous driving system, specifically, a method for performing reinforcement learning in consideration of a reward application ratio over time, is proposed. Action information is transmitted to a second V2X communication device, reward information is received from the second V2X communication device, and reinforcement learning is performed on the basis of a reward, wherein a reward corresponding to a ratio determined by a first V2X communication device is applied to the reinforcement learning, the ratio is determined on the basis of a time interval from a time point of transmission of the action information to a time point of reception of the reward information, and the ratio is between 0 and 1, both inclusive.
    Type: Application
    Filed: September 15, 2020
    Publication date: January 25, 2024
    Inventors: Ikjoo JUNG, Sangrim LEE, JaYeong KIM, Yeongjun KIM, Sungjin KIM
  • Patent number: 11877301
    Abstract: The present disclosure relates to a method for transmitting signals by a transmission end in a wireless communication system. In particular, the method includes configuring first and second type logical channel groups; receiving a first uplink grant; and transmitting buffer size information based on the uplink grant, wherein, when the first uplink grant is allowed to be used for transmission of buffer size information of the second logical channel group, the buffer size information includes the buffer size information of the first and second logical channel groups, and wherein, when the first uplink grant is not allowed to be used for transmission of buffer size information of the second logical channel group, the buffer size information includes the buffer size information of the first logical channel group.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: January 16, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Sunyoung Lee, Jayeong Kim, Eunjong Lee
  • Publication number: 20240007278
    Abstract: A method of operating a terminal and a base station in a wireless communication system and a device supporting the same are disclosed. As an example, a method performed by a first device in a communication system may comprise transmitting, to a second device, a random access (RA) preamble, receiving, from the second device, a random access response (RAR) message as a response to the RA preamble, performing a radio resource control (RRC) connection procedure with the second device, generating a sift key for communication with the second device, and performing communication through a radio channel with the second device using the sift key.
    Type: Application
    Filed: October 27, 2021
    Publication date: January 4, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Jayeong KIM, Sangrim LEE, Hojae LEE, Byungkyu AHN
  • Publication number: 20230396422
    Abstract: Provided is a method and device for correcting an error in a communication system, the method including: transmitting, to another device, data encrypted based on key information. The key information is obtained by: incident a detection pulse on a variable Faraday rotating mirror and a reference pulse on a first mirror, respectively, wherein the detection pulse and the reference pulse are pulses branched from a test pulse; generating a first current in a balanced photodetector (BPD) based on a first component obtained as the detection pulse is reflected from the variable Faraday rotating mirror and a second component obtained as the reference pulse is reflected from the first mirror; converting the first current into a second current; incident the second current on the variable Faraday rotating mirror; and correcting the error in the variable Faraday rotating mirror based on the incident second current.
    Type: Application
    Filed: September 11, 2020
    Publication date: December 7, 2023
    Inventors: JaYeong KIM, Hojae LEE, Byungkyu AHN, Byounghoon KIM, Sangrim LEE
  • Publication number: 20230368584
    Abstract: A method for performing reinforcement learning by a V2X communication device in an autonomous driving system, specifically, a method for performing reinforcement learning in consideration of an application rate of a reward according to age in terms of the freshness of a reward for an action, is proposed. An agent transmits an action message and controls a reflection rate of a reward through AoI management for a reward message, so that rewards transmitted from a plurality of devices are suitably reflected in an environment of a reinforcement learning-based autonomous driving system, and an optimal policy can be found accordingly.
    Type: Application
    Filed: October 6, 2020
    Publication date: November 16, 2023
    Inventors: Ikjoo JUNG, Sangrim LEE, JaYeong KIM, Hojae LEE, Yeongjun KIM