Patents by Inventor Ki Hyeon PARK
Ki Hyeon 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).
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Publication number: 20240153791Abstract: The inventive concept provides a substrate treating method for etching a specific region on a substrate. The substrate treating method includes supplying a treating liquid to the substrate; and irradiating a laser to the specific region to locally heat the specific region; and wherein at the irradiating the laser, the laser is irradiated a plurality of times within the specific region, and the laser is irradiated to a region which does not overlap on the substrate, but which overlaps within the specific region.Type: ApplicationFiled: November 6, 2023Publication date: May 9, 2024Applicant: SEMES CO., LTD.Inventors: Jin Yeong SUNG, Ki Hoon CHOI, Hyun YOON, Sang Hyeon RYU, Young Ho PARK
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Publication number: 20240118607Abstract: The inventive concept provides a substrate treating method. The substrate treating method includes pre-treating a substrate by cleaning the substrate; etching the substrate by supplying an etchant and heating a substrate supplied with the etchant; and post-treating the substrate after the etching the substrate, and wherein the pre-treating the substrate, the etching the substrate, and the post-treating the substrate are each performed in different chambers, a substrate on which the pre-treating the substrate is completed is transferred in a dry state to a chamber at which the etching the substrate is performed, and a substrate on which the etching the substrate is completed is transferred in a wetted state with a liquid to a chamber at which the post-treating the substrate is performed.Type: ApplicationFiled: March 14, 2023Publication date: April 11, 2024Applicant: SEMES CO.,LTD.Inventors: Hyun YOON, Ki Hoon CHOI, Seung Un OH, Young Ho PARK, Sang Hyeon RYU, Tae Hee KIM, Sang Gun LEE
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Publication number: 20240080770Abstract: Discloses are a method and apparatus for performing transmission and reception in a mobile communication system. In other words, a user equipment (UE) receives channel state information-reference signal (CSI-RS) from a base station. Further, the UE performs CSI feedback after receiving the CSI-RS from the base station. Here, proposed are the method and apparatus in which at least one of the CSI-RS reception and the CSI feedback transmission is triggered by receiving downlink control information (DCI) including parameter information associated with network energy saving.Type: ApplicationFiled: August 31, 2023Publication date: March 7, 2024Applicant: KT CORPORATIONInventor: Ki Hyeon PARK
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Patent number: 11924803Abstract: Provided are methods and devices for performing positioning in a next-generation wireless network. The method of a UE for performing positioning include identifying configuration information for a transmission bandwidth of a positioning reference signal (PRS) configured per cell and receiving the positioning reference signal corresponding to each cell based on the configuration information for the transmission bandwidth.Type: GrantFiled: April 8, 2019Date of Patent: March 5, 2024Assignee: KT CORPORATIONInventors: Ki-tae Kim, Woo-jin Choi, Ki-Hyeon Park
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Publication number: 20230337180Abstract: Provided are a method and apparatus for controlling a paging operation. The method may include receiving a paging message including identification information for each terminal for identifying a target to perform a paging operation and determining whether to apply the paging message on the basis of the identification information.Type: ApplicationFiled: August 19, 2021Publication date: October 19, 2023Applicant: KT CORPORATIONInventor: Ki-hyeon PARK
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Patent number: 11778616Abstract: Provided are methods and apparatuses for transmitting HARQ feedback information for sidelink transmission. In particular, a method of a transmitting user equipment (UE) is provided for transmitting the HARQ feedback information for the sidelink transmission. The method may include: receiving, from the base station, resource assignment information on a physical uplink control channel (PUCCH) for transmitting, to the base station, the HARQ feedback information for the sidelink transmission to a receiving UE; generating the HARQ feedback information based on a physical sidelink feedback channel (PSFCH) for the sidelink transmission received from the receiving UE; and transmitting the HARQ feedback information over the PUCCH based on the resource assignment information to the base station.Type: GrantFiled: April 30, 2020Date of Patent: October 3, 2023Assignee: KT CORPORATIONInventors: Ki-Hyeon Park, Kyujin Park
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Patent number: 11706633Abstract: Provided are a method and a device performing wireless communication in an unlicensed band, which receives information on allocating a radio resource in a system bandwidth made up of a plurality of subbands, receives information on a LBT (Listen Before Talk) failure region among the radio resource, and receives a downlink signal in other regions in the radio resource, except the LBT failure region.Type: GrantFiled: October 19, 2021Date of Patent: July 18, 2023Assignee: KT CORPORATIONInventors: Ki-Hyeon Park, Ki-tae Kim
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Patent number: 11689999Abstract: Provided are a method and an apparatus for performing an initial access in a limited bandwidth. The method of a user equipment (UE) for performing an initial access in a limited bandwidth may include receiving at least one of i) first configuration information which is configured for a UE having a limited bandwidth in which an available bandwidth is narrower than a predetermined bandwidth and ii) second configuration information which is configured for a UE having the predetermined bandwidth, and performing an initial access based on one of the first configuration information and the second configuration information.Type: GrantFiled: July 9, 2021Date of Patent: June 27, 2023Assignee: KT CORPORATIONInventor: Ki-Hyeon Park
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Patent number: 11671984Abstract: Provided are a method and an apparatus for controlling a search space. The method may include receiving configuration information for at least one search space, receiving indication information on at least one of time duration information and search space information for not monitoring a downlink control channel for the at least one search space, and monitoring the downlink control channel based on the indication information.Type: GrantFiled: June 18, 2021Date of Patent: June 6, 2023Assignee: KT CORPORATIONInventor: Ki-Hyeon Park
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Patent number: 11589349Abstract: to the provided are a method and an apparatus for transmitting/receiving sidelink HARQ feedback information. The method for transmitting the HARQ feedback information for sidelink transmission by a user equipment (UE) may include receiving configuration information for a sidelink resource pool for the sidelink transmission, receiving a physical sidelink shared channel (PSSCH) from another UE through a resource allocated in the sidelink resource pool, and transmitting the HARQ feedback information for reception of the PSSCH through a physical sidelink feedback channel (PSFCH) resource allocated in the sidelink resource pool.Type: GrantFiled: September 25, 2020Date of Patent: February 21, 2023Assignee: KT CORPORATIONInventors: Ki-Hyeon Park, Ki-tae Kim, Kyujin Park
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Publication number: 20220393716Abstract: Provided are a method and a device for hopping a frequency to perform uplink transmission. The method may include: receiving frequency hopping configuration information for a transport block transmitted using a plurality of slots; determining a frequency resource location to be hopped in the plurality of slots based on the frequency hopping configuration information; and transmitting the transport block through the plurality of slots according to the frequency resource location.Type: ApplicationFiled: May 27, 2022Publication date: December 8, 2022Applicant: KT CORPORATIONInventor: KI-HYEON PARK
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Patent number: 11516857Abstract: Provided are a method and device for performing wireless communication in an unlicensed band. The method, for performing wireless communication in an unlicensed band by a terminal, may include: receiving configuration information relating to a synchronization signal block (SSB) burst set in an unlicensed band; receiving transmission interval information in which an SSB is transmitted in the SSB burst set on the basis of a listen-before-talk (LBT) result with respect to the unlicensed band; and detecting the SSB in the SSB burst set on the basis of the transmission interval information.Type: GrantFiled: July 11, 2019Date of Patent: November 29, 2022Assignee: KT CORPORATIONInventors: Ki-tae Kim, Ki-hyeon Park
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Publication number: 20220311546Abstract: Provided are a method and device for transmitting/receiving data in a half-duplex scheme. The method may include performing, as a first operation, one of signal transmission through an uplink and signal reception through a downlink in an FDD channel environment, receiving information indicating, as a second operation, the other of the signal transmission through the uplink and the signal reception through the downlink while performing the first operation, and stopping the first operation and performing the second operation according to the reception of the information.Type: ApplicationFiled: March 24, 2022Publication date: September 29, 2022Applicant: KT CORPORATIONInventor: KI-HYEON PARK
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Patent number: 11375530Abstract: Provided are methods and apparatuses for receiving information regarding modulation and demodulation in sidelink communication. The methods and apparatuses may receive configuration information on a resource pool used for sidelink transmission, receive information on an MCS (Modulation and Coding Scheme) table used for modulation of a sidelink signal among at least one MCS tables for the resource pool based on the configuration information, and perform demodulation on the received sidelink signal based on the information on the received MCS table.Type: GrantFiled: June 22, 2020Date of Patent: June 28, 2022Assignee: KT CORPORATIONInventors: Ki-Hyeon Park, Ki-tae Kim
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Patent number: 11356212Abstract: Provided are methods and apparatuses for transmitting and/or receiving sidelink HARQ feedback information. Further, a method of a user equipment (UE) may be provided for transmitting HARQ feedback information in response to sidelink transmission. The method may include: receiving configuration information for a resource pool for the sidelink transmission, receiving configuration information on frequency resources for transmission of a physical sidelink feedback channel (PSFCH) in the resource pool, and transmitting HARQ feedback information in response to a physical sidelink shared channel (PSSCH) received from one or more other UE(s) using a PSFCH resource determined based on the configuration information for frequency resources in the resource pool.Type: GrantFiled: April 3, 2020Date of Patent: June 7, 2022Assignee: KT CORPORATIONInventors: Ki-Hyeon Park, Ki-tae Kim, Kyujin Park
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Publication number: 20220038916Abstract: Provided are a method and a device performing wireless communication in an unlicensed band, which receives information on allocating a radio resource in a system bandwidth made up of a plurality of subbands, receives information on a LBT (Listen Before Talk) failure region among the radio resource, and receives a downlink signal in other regions in the radio resource, except the LBT failure region.Type: ApplicationFiled: October 19, 2021Publication date: February 3, 2022Applicant: KT CORPORATIONInventors: KI-HYEON PARK, Ki-tae KIM
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Publication number: 20220015019Abstract: Provided are a method and an apparatus for performing an initial access in a limited bandwidth. The method of a user equipment (UE) for performing an initial access in a limited bandwidth may include receiving at least one of i) first configuration information which is configured for a UE having a limited bandwidth in which an available bandwidth is narrower than a predetermined bandwidth and ii) second configuration information which is configured for a UE having the predetermined bandwidth, and performing an initial access based on one of the first configuration information and the second configuration information.Type: ApplicationFiled: July 9, 2021Publication date: January 13, 2022Applicant: KT CORPORATIONInventor: KI-HYEON PARK
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Publication number: 20210400645Abstract: Provided are a method and an apparatus for controlling a search space. The method may include receiving configuration information for at least one search space, receiving indication information on at least one of time duration information and search space information for not monitoring a downlink control channel for the at least one search space, and monitoring the downlink control channel based on the indication information.Type: ApplicationFiled: June 18, 2021Publication date: December 23, 2021Applicant: KT CORPORATIONInventor: KI-HYEON PARK
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Publication number: 20210392699Abstract: Provided are a method and an apparatus for performing a random access procedure for coverage enhancement. The method of a user equipment (UE) for performing a random access procedure for coverage enhancement may include transmitting a random access channel preamble (RACH Preamble) for repeated transmission of Msg3 through a Physical Random Access Channel (PRACH), receiving a random access response (RAR) including uplink scheduling information for the repeated transmission of the Msg3, and repeatedly transmitting the Msg3 based on the uplink scheduling information.Type: ApplicationFiled: June 14, 2021Publication date: December 16, 2021Applicant: KT CORPORATIONInventor: Ki-hyeon PARK
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Patent number: 11184776Abstract: Provided are a method and a device performing wireless communication in an unlicensed band, which receives information on allocating a radio resource in a system bandwidth made up of a plurality of subbands, receives information on a LBT (Listen Before Talk) failure region among the radio resource, and receives a downlink signal in other regions in the radio resource, except the LBT failure region.Type: GrantFiled: July 15, 2019Date of Patent: November 23, 2021Assignee: KT CORPORATIONInventors: Ki-Hyeon Park, Ki-tae Kim