Patents by Inventor Seung Woo KO
Seung Woo KO 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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Patent number: 11940526Abstract: One embodiment of the present invention relates to a method for performing a vehicle image reconstruction by a sensing vehicle (SV) in a wireless communication system, the method comprising: receiving a plurality of stepped-frequency-continuous-wave (SFCW) from target vehicle (TV); receiving signature waveforms in a different frequency range for the plurality of SFCWs; performing synchronization by using phase-difference-of-arrival (PDoA) based on the signature waveforms; reconstructing one or more virtual images of the TV; and deriving a real image from the one of more Virtual Image.Type: GrantFiled: July 31, 2019Date of Patent: March 26, 2024Assignee: LG ELECTRONICS INC.Inventors: Hyukjin Chae, Seung-Woo Ko, Kaibin Huang, Rui Wang, Zezhong Zhang
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Publication number: 20240098311Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image encoding method according to the present invention may comprise generating a transform block by performing at least one of transform and quantization; grouping at least one coefficient included in the transform block into at least one coefficient group (CG); scanning at least one coefficient included in the coefficient group; and encoding the at least one coefficient.Type: ApplicationFiled: November 20, 2023Publication date: March 21, 2024Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITYInventors: Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Jin Ho LEE, Dong San JUN, Ha Hyun LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI, Yung Lyul LEE, Jun Woo CHOI
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Patent number: 11385315Abstract: One embodiment is a method including: receiving signals of at least 4 paths from the Tx UE; measuring a ToA, an AoA, an AoD of each of the signals of 4 paths, determining each distance between the Rx UE and each scatter of each 4 paths, each distance between the Rx UE and the Tx UE and a driving direction of the Tx UE, based on the ToA, AoA and AoD; determining a position of the Tx UE based on results of measurement and results of the determination, wherein an assumption that each of x-axis distance and y-axis distance between the Tx UE and Rx UE based on the AoA, AoD and the driving direction of the Tx UE are identical in signal path 1 and signal path p (p=2, 3, 4) is used for determination of the position.Type: GrantFiled: February 25, 2019Date of Patent: July 12, 2022Assignee: LG ELECTRONICS INC.Inventors: Hyukjin Chae, Seung-Woo Ko, Kaibin Huang, Kaifeng Han
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Publication number: 20210311181Abstract: One embodiment of the present invention relates to a method for performing a vehicle image reconstruction by a sensing vehicle (SV) in a wireless communication system, the method comprising: receiving a plurality of stepped-frequency-continuous-wave (SFCW) from target vehicle (TV); receiving signature waveforms in a different frequency range for the plurality of SFCWs; performing synchronization by using phase-difference-of-arrival (PDoA) based on the signature waveforms; reconstructing one or more virtual images of the TV; and deriving a real image form the determined one of more Virtual Image.Type: ApplicationFiled: July 31, 2019Publication date: October 7, 2021Applicant: LG ELECTRONICS INC.Inventors: Hyukjin CHAE, Seung-Woo KO, Kaibin HUANG, Rui WANG, Zezhong ZHANG
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Patent number: 11071110Abstract: Provided is a device for allocating a dynamic frequency for a secondary user in a cognitive radio network. The device includes: an OP map generation unit for generating an opportunity map, which represents a probability of successful communication of the secondary transmitter in each region of the cognitive radio network, by using one or more of spectrum sensing information, which is received from a spectrum sensor that has completed sensing and includes identifier information, location information, and a sensing measurement matrix, an access request message, which is received from the secondary transmitter and includes identifier information, location information, and operable band information, and the density and transmission powers of primary transmitters; and a response message generation unit for generating a response message, which includes the channel having the highest probability of successful communication and the probability of successful communication, based on the generated map.Type: GrantFiled: January 18, 2017Date of Patent: July 20, 2021Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Seong-Lyun Kim, Jee Min Kim, Hye Sung Kim, Han Cha, Seung-Woo Ko
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Publication number: 20200393532Abstract: One embodiment is a method including: receiving signals of at least 4 paths from the Tx UE; measuring a ToA, an AoA, an AoD of each of the signals of 4 paths, determining each distance between the Rx UE and each scatter of each 4 paths, each distance between the Rx UE and the Tx UE and a driving direction of the Tx UE, based on the ToA, AoA and AoD; determining a position of the Tx UE based on results of measurement and results of the determination, wherein an assumption that each of x-axis distance and y-axis distance between the Tx UE and Rx UE based on the AoA, AoD and the driving direction of the Tx UE are identical in signal path 1 and signal path p (p=2, 3, 4) is used for determination of the position.Type: ApplicationFiled: February 25, 2019Publication date: December 17, 2020Applicant: LG ELECTRONICS INC.Inventors: Hyukjin CHAE, Seung-Woo KO, Kaibin HUANG, Kaifeng HAN
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Publication number: 20200214010Abstract: Provided is a device for allocating a dynamic frequency for a secondary user in a cognitive radio network. The device includes: an OP map generation unit for generating an opportunity map, which represents a probability of successful communication of the secondary transmitter in each region of the cognitive radio network, by using one or more of spectrum sensing information, which is received from a spectrum sensor that has completed sensing and includes identifier information, location information, and a sensing measurement matrix, an access request message, which is received from the secondary transmitter and includes identifier information, location information, and operable band information, and the density and transmission powers of primary transmitters; and a response message generation unit for generating a response message, which includes the channel having the highest probability of successful communication and the probability of successful communication, based on the generated map.Type: ApplicationFiled: January 18, 2017Publication date: July 2, 2020Inventors: Seong-Lyun KIM, Jee Min KIM, Hye Sung KIM, Han CHA, Seung-Woo KO
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Publication number: 20190072056Abstract: An exhaust gas recirculation (EGR) device includes a cylinder head in which an EGR passage that recirculates EGR gas from an exhaust side to an intake side is formed; a coolant chamber formed inside the cylinder head and at a circumference of the EGR passage, through which coolant cooling the EGR gas passing through the EGR passage passes; and a swirl generator disposed at one side of the EGR passage to form swirl at the EGR gas passing through the EGR passage.Type: ApplicationFiled: November 24, 2017Publication date: March 7, 2019Inventors: Sung Il Yoon, Dong Young Lee, Do Jun Park, In Sung Yun, Seung Woo Ko
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Publication number: 20150361191Abstract: The present invention relates to a method for preparing a polyethylene wax, comprising the step of polymerizing ethylene monomers using a metallocene catalyst in a loop reactor, and more particularly, to a method for polymerizing a polyethylene wax using a metallocene catalyst and a double loop reactor. According to the present invention, a polyethylene wax having a uniform and narrow molecular weight distribution can be polymerized with high activity.Type: ApplicationFiled: August 13, 2012Publication date: December 17, 2015Applicant: HANWHA CHEMICAL CORPORATIONInventors: Seung-Woo Ko, Dong Wook Jeong
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Patent number: 9080532Abstract: An exhaust manifold and diffuser integrated cylinder head, includes an exhaust manifold and a exhaust passage. The exhaust manifold is integrally formed with the cylinder head. The exhaust passage is integrally formed with the cylinder head such that a turbocharger is mounted on a joining part of exhaust ports of the exhaust manifold and exhaust gas discharged from the exhaust passage flows to the turbocharger.Type: GrantFiled: June 18, 2013Date of Patent: July 14, 2015Assignee: HYUNDAI MOTOR COMPANYInventors: Seung Woo Ko, Hyun Wook Ryu
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Patent number: 8915072Abstract: An exhaust port structure of a cylinder head includes a connection pipe communicating with a plurality of exhaust ports of the cylinder head and an exhaust hole connected to the connection pipe and performing a function of an exhaust manifold, wherein the connection pipe has an EGR line integrally formed and connected thereto and each of the exhaust ports is formed with the same shape or a symmetrical shape, and the present invention can reduce the weight of the cylinder head and the manufacturing cost and improve the EGR rate and T/C efficiency.Type: GrantFiled: June 27, 2012Date of Patent: December 23, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Seung Woo Ko, Hyunwook Ryu
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Patent number: 8904974Abstract: An electric water pump control apparatus actively controls an electric water pump in a high speed range or a high load condition as a vehicle accelerates or overtakes. An electric water pump control method may include determining whether an engine is in a high speed/high load condition or in a normal condition by detecting an engine speed, fuel consumption amount, and coolant temperature, determining whether the coolant temperature is less than a predetermined second temperature, if the engine is in a high speed/high load condition, calculating a speed of the electric water pump by applying fuel consumption amount and engine speed, if the coolant temperature is less than a second temperature and determining a final speed of the electric water pump by applying a compensation coefficient according to the coolant temperature, and operating the electric water pump with the final speed to circulate the coolant.Type: GrantFiled: August 22, 2011Date of Patent: December 9, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sangsoo Pae, Young Jin Kim, Jung Jae Han, Seung Woo Ko
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Patent number: 8867985Abstract: Disclosed is a method for relaying data in a multi-hop cellular system, the method including receiving by a terminal from a base station a notification as to whether the terminal is decided as a candidate for a relay, deciding by the terminal whether to be a representative candidate terminal for the relay according to a channel state with the other terminals within a coverage of the base station if the terminal is decided as the candidate for the relay, sending by the terminal to the base station a notification if the terminal is decided as the representative candidate terminal, and relaying data received from the other terminals to calculate relay probability terminals to the base station if the terminal is notified from the base station as to that the terminal is finally decided as the relay.Type: GrantFiled: April 29, 2010Date of Patent: October 21, 2014Assignees: LG Electronics Inc., Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Suck-Chel Yang, Seong-Lyun Kim, Jun-Ho Jo, Young-Ju Hwang, Seung-Woo Ko
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Patent number: 8867427Abstract: A communication system using a hierarchical modulation scheme and/or a network coding scheme is provided. A relay node included in the communication system may generate a relay packet by applying a network coding scheme to a hierarchically modulated source packet and to a destination packet received from a destination node. The relay packet is transmitted to a source node and a destination node, and the source node and the destination node may extract a desired packet from a relay packet. The communication system also may adaptively determine an optimal communication mode.Type: GrantFiled: July 9, 2009Date of Patent: October 21, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Rakesh Taori, Seung Woo Ko, Jung Min Park, Mi-Sun Do, Seong-Lyun Kim
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Publication number: 20140137818Abstract: An exhaust manifold and diffuser integrated cylinder head, includes an exhaust manifold and a exhaust passage. The exhaust manifold is integrally formed with the cylinder head. The exhaust passage is integrally formed with the cylinder head such that a turbocharger is mounted on a joining part of exhaust ports of the exhaust manifold and exhaust gas discharged from the exhaust passage flows to the turbocharger.Type: ApplicationFiled: June 18, 2013Publication date: May 22, 2014Inventors: Seung Woo KO, Hyun Wook RYU
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Publication number: 20130086891Abstract: An exhaust port structure of a cylinder head includes a connection pipe communicating with a plurality of exhaust ports of the cylinder head and an exhaust hole connected to the connection pipe and performing a function of an exhaust manifold, wherein the connection pipe has an EGR line integrally formed and connected thereto and each of the exhaust ports is formed with the same shape or a symmetrical shape, and the present invention can reduce the weight of the cylinder head and the manufacturing cost and improve the EGR rate and T/C efficiency.Type: ApplicationFiled: June 27, 2012Publication date: April 11, 2013Applicants: Kia Motors Corporation, Hyundai Motor CompanyInventors: Seung Woo KO, Hyunwook Ryu
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Publication number: 20120137991Abstract: An electric water pump control apparatus actively controls an electric water pump in a high speed range or a high load condition as a vehicle accelerates or overtakes. An electric water pump control method may include determining whether an engine is in a high speed/high load condition or in a normal condition by detecting an engine speed, fuel consumption amount, and coolant temperature, determining whether the coolant temperature is less than a predetermined second temperature, if the engine is in a high speed/high load condition, calculating a speed of the electric water pump by applying fuel consumption amount and engine speed, if the coolant temperature is less than a second temperature and determining a final speed of the electric water pump by applying a compensation coefficient according to the coolant temperature, and operating the electric water pump with the final speed to circulate the coolant.Type: ApplicationFiled: August 22, 2011Publication date: June 7, 2012Applicants: Kia Motors Corporation, Hyundai Motor CompanyInventors: Sangsoo Pae, Young Jin Kim, Jung Jae Han, Seung Woo Ko
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Publication number: 20120040607Abstract: Disclosed is a method for relaying data in a multi-hop cellular system, the method including receiving by a terminal from a base station a notification as to whether the terminal is decided as a candidate for a relay, deciding by the terminal whether to be a representative candidate terminal for the relay according to a channel state with the other terminals within a coverage of the base station if the terminal is decided as the candidate for the relay, sending by the terminal to the base station a notification if the terminal is decided as the representative candidate terminal, and relaying data received from the other terminals to calculate relay probability terminals to the base station if the terminal is notified from the base station as to that the terminal is finally decided as the relay.Type: ApplicationFiled: April 29, 2010Publication date: February 16, 2012Inventors: Suck-Chel Yang, Seong-Lyun Kim, Jun-Ho Jo, Young-Ju Hwang, Seung-Woo Ko
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Publication number: 20100008288Abstract: A communication system using a hierarchical modulation scheme and/or a network coding scheme is provided. A relay node included in the communication system may generate a relay packet by applying a network coding scheme to a hierarchically modulated source packet and to a destination packet received from a destination node. The relay packet is transmitted to a source node and a destination node, and the source node and the destination node may extract a desired packet from a relay packet. The communication system also may adaptively determine an optimal communication mode.Type: ApplicationFiled: July 9, 2009Publication date: January 14, 2010Applicants: Samsung Advanced Institute of Technology, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Rakesh TAORI, Seung Woo KO, Jung Min PARK, Mi-Sun DO, Seong-Lyun KIM