Patents by Inventor Wan Choi

Wan Choi 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: 10211960
    Abstract: Power offset signaling techniques for network-assisted interference cancellation and suppression (NAICS) receivers are described. In one embodiment, for example, user equipment (UE) may comprise at least one radio frequency (RF) transceiver, at least one RF antenna, and logic, at least a portion of which is in hardware, the logic to receive a radio resource control (RRC) connection control message comprising a RadioResourceConfigDedicated field and perform a radio resource configuration procedure in response to receipt of the RRC connection control message, the RRC connection control message to comprise network-assisted interference cancellation and suppression (NAICS) assistance information that identifies a power offset value for one or more transmissions to the UE over a physical downlink shared channel (PDSCH) of a serving cell of the UE. Other embodiments are described and claimed.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: February 19, 2019
    Assignee: Intel Corporation
    Inventors: Alexei Davydov, Gi Wan Choi, Alexander Maltsev, Gregory V. Morozov
  • Patent number: 10200889
    Abstract: Disclosed in the present application is a method for a terminal receiving data in a wireless communication system. Specifically, the method comprises the steps of determining at least one transmission subject for the data among one or more auxiliary nodes and a base station; receiving a distributed code from the determined at least one transmission subject; and obtaining the data from the distributed code, wherein the at least one transmission subject is determined based on the sum of the distributed codes stored in the auxiliary nodes and the number of auxiliary nodes existing within a predetermined distance from the terminal.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: February 5, 2019
    Assignees: LG ELECTRONICS INC., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Hanbyul Seo, Wan Choi, Dongin Kim, Bi Hong, Hojin Song, Tae Yeong Kim
  • Patent number: 10200890
    Abstract: A method to trigger aperiodic CSI reports in LTE TDD systems having dynamic uplink-downlink configurations is proposed. When uplink grants can be sent on any subframe, the method further defines how to indicate which measured subframe set is to be used in reporting the aperiodic CSI. The method is useful for homogeneous networks and networks employing enhanced interference management and traffic adaptation (eIMTA).
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: February 5, 2019
    Assignee: INTEL IP CORPORATION
    Inventors: Alexey Khoryaev, Seunghee Han, Gi Wan Choi, Jong-Kae Fwu
  • Publication number: 20190035810
    Abstract: A method of processing a substrate by omitting a photolithographic process is disclosed. The method includes forming at least one layer on a stepped structure having an upper surface, a lower surface, and a side surface that connects the upper surface to the lower surface, selectively densifying portions of the at least one layer respectively on the upper surface and the lower surface via asymmetric plasma application, and performing an isotropic etching process on the at least one layer. During the isotropic etching process, the portion of the at least one layer formed on the upper surface is separated from the portion of the at least one layer formed on the lower surface.
    Type: Application
    Filed: September 28, 2018
    Publication date: January 31, 2019
    Inventors: Seung Ju Chun, Yong Min Yoo, Jong Wan Choi, Young Jae Kim, Sun Ja Kim, Wan Gyu Lim, Yoon Ki Min, Hae Jin Lee, Tae Hee Yoo
  • Patent number: 10194465
    Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). A method of transmitting feedback information by a receiving apparatus in a wireless communication system supporting a multiple input multiple output (MIMO) scheme is provided. The method includes transmitting, to a transmitting apparatus, an antenna group identifier (ID) of one or more antenna groups used by the transmitting apparatus and feedback information including information related to channel quality which the receiving apparatus is capable of acquiring if the one or more antenna groups are used, wherein each of the antenna groups includes one or more antennas.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: January 29, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jung-Hoon Lee, Wan Choi, Hyun-Kyu Yu
  • Publication number: 20180349313
    Abstract: Disclosed herein are a parameter server and a method for sharing distributed deep-learning parameters using the parameter server. The method for sharing distributed deep-learning parameters using the parameter server includes initializing a global weight parameter in response to an initialization request by a master process; performing an update by receiving a learned local gradient parameter from the worker process, which performs deep-learning training after updating a local weight parameter using the global weight parameter; accumulating the gradient parameters in response to a request by the master process; and performing an update by receiving the global weight parameter from the master process that calculates the global weight parameter using the accumulated gradient parameters of the one or more worker processes.
    Type: Application
    Filed: May 18, 2018
    Publication date: December 6, 2018
    Inventors: Shin-Young AHN, Eun-Ji LIM, Yong-Seok CHOI, Young-Choon WOO, Wan CHOI
  • Publication number: 20180341491
    Abstract: Disclosed herein are an apparatus and method for sharing memory between computers. The apparatus for sharing memory between computers includes multiple memory adapters, installed in corresponding ones of multiple computers, for receiving an address corresponding to an instruction from the computers and transforming the received address into an instruction in the form of a packet; and shared memory for transforming the instruction in the form of the packet, received from the multiple memory adapters, into an address and performing an operation corresponding to the instruction for a memory cell corresponding to the address.
    Type: Application
    Filed: May 8, 2018
    Publication date: November 29, 2018
    Inventors: Yong-Seok CHOI, Shin-Young AHN, Eun-Ji LIM, Young-Choon WOO, Wan CHOI
  • Publication number: 20180336076
    Abstract: Disclosed herein are a parameter-sharing apparatus and method. The parameter-sharing apparatus includes a memory allocation unit for managing allocation of a memory area, in which a parameter is to be stored, to a memory box, and updating a mapping table stored in the memory box based on allocation management of the memory area, and an operation processing unit for providing the memory allocation unit with parameter information required for the allocation management of the memory area in which the parameter is to be stored and sharing the parameter stored in the memory box.
    Type: Application
    Filed: May 14, 2018
    Publication date: November 22, 2018
    Inventors: Eun-Ji LIM, Shin-Young AHN, Yong-Seok CHOI, Young-Choon WOO, Wan CHOI
  • Patent number: 10135926
    Abstract: Provided herein is a shuffle embedded distributed storage system and method supporting virtual merge, the system and method including a distributed shared storage configured to store a virtual merged file; a plurality of map servers connected to the distributed shared storage via a network, and configured to perform a map function and record a map result data computed as a result of the map function in the distributed shared storage by means of a map result file; and a plurality of reduce servers connected to the distributed shared storage and the map servers via the network, wherein the virtual merged file includes a list of the map result files recorded by the plurality of map servers, and an identifier of a reduce server to which the virtual merged file is to be transmitted.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: November 20, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Ki Sung Jin, Young Chang Kim, Young Kyun Kim, Hong Yeon Kim, Wan Choi
  • Patent number: 10134757
    Abstract: A method of processing a substrate by omitting a photolithographic process is disclosed. The method includes forming at least one layer on a stepped structure having an upper surface, a lower surface, and a side surface that connects the upper surface to the lower surface, selectively densifying portions of the at least one layer respectively on the upper surface and the lower surface via asymmetric plasma application, and performing an isotropic etching process on the at least one layer. During the isotropic etching process, the portion of the at least one layer formed on the upper surface is separated from the portion of the at least one layer formed on the lower surface.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: November 20, 2018
    Assignee: ASM IP Holding B.V.
    Inventors: Seung Ju Chun, Yong Min Yoo, Jong Wan Choi, Young Jae Kim, Sun Ja Kim, Wan Gyu Lim, Yoon Ki Min, Hae Jin Lee, Tae Hee Yoo
  • Publication number: 20180328420
    Abstract: The present disclosure provides an operation control apparatus of a direct control solenoid valve. The apparatus includes a direct control solenoid valve configured to control an operation of a clutch via a control pressure and to supply the control pressure to a clutch by magnetic force generated by a current control; and a hydraulic pressure supply valve configured to supply a hydraulic pressure to the direct control solenoid valve, wherein the hydraulic pressure supply valve is operatively associated with a clutch control.
    Type: Application
    Filed: December 4, 2017
    Publication date: November 15, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jung Wan CHOI, Jungwoo Seo, Yun Ho Choi, Yoh Han Kim
  • Publication number: 20180313441
    Abstract: Provided is a torque converter for a vehicle including a vibration reduction apparatus included in the torque converter for a vehicle to attenuate vibration and impact in a rotation direction of the torque converter. Particularly, provided is a torque converter for a vehicle to which a vibration reduction apparatus using a pendulum is coupled by having the pendulum disposed on a hub included between a turbine and a transmission to thereby improve damping efficiency.
    Type: Application
    Filed: June 15, 2016
    Publication date: November 1, 2018
    Inventors: Seong Young SONG, Wan CHOI, Gook Sun LEE, Soon Cheol SHIN
  • Patent number: 10103800
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Disclosed are a method and an apparatus for performing adaptive beam hopping in a multi-cell multi-user communication system.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: October 16, 2018
    Assignees: Samsung Electronics Co., Ltd, Korea Advanced Institute of Science and Technology
    Inventors: Myung-Gil Kang, Wan Choi, Dae-Kyu Shin, Sang-Wook Suh
  • Patent number: 10082385
    Abstract: A system for measuring displacement of an accelerating tube by using a micro-alignment telescope, which includes a vacuum chamber; a hollow accelerating tube in the vacuum chamber; a sighting target attached to a surface of the accelerating tube while protruding from the surface of the accelerating tube; the micro-alignment telescope spaced apart from one side surface of the vacuum chamber; a first lens device interposed between the micro-alignment telescope and the vacuum chamber; and a second lens device spaced apart from an opposite side surface of the vacuum chamber by a distance, wherein the vacuum chamber includes first and second viewports placed on the surfaces of the vacuum chamber in correspondence with each other, and the micro-alignment telescope, the first lens device, the first viewport, the sighting target, the second viewport and the second lens device are aligned on a same axis in one direction.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: September 25, 2018
    Assignee: Institute for Basic Science
    Inventors: Min-Ki Lee, Young-Kwon Kim, Yong-Woo Jo, Jong-Wan Choi, Woo-Kang Kim, Hee-Tae Kim
  • Publication number: 20180241459
    Abstract: The present invention relates to a wireless communication system. More particularly, the present invention relates to a method for transmitting a content using a cache memory, and a method for transmitting a content using a cache memory by a relay node according to the present invention may comprise the steps of: storing a first packet among a plurality of the packets constituting the content in the cache memory; decoding a second packet among the plurality of packets constituting the content; and when the second packet has been successfully decoded, combining the first packet and the second packet and transmitting the combined packet to a terminal, wherein the second packet is not already stored in the cache memory.
    Type: Application
    Filed: November 10, 2015
    Publication date: August 23, 2018
    Applicants: LG ELECTRONICS INC., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVER SITY, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hojin SONG, Wan CHOI, Dongin KIM, Hanbyul SEO, Byounghoon KIM
  • Patent number: 10056928
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-Generation (4G) communication system such as a Long Term Evolution (LTE). A method for controlling interference in a signal transmitting apparatus in a mobile communication system is provided. The method includes transmitting data to a first signal receiving apparatus using a plurality of channels; receiving information indicating whether at least one of the plurality of channels exists as an interference channel in a second signal receiving apparatus from the second signal receiving apparatus; receiving interference control information for controlling interference for the second signal receiving apparatus from the second signal receiving apparatus based on the received information, and generating interference control data based on the interference control information; and transmitting the interference control data to the first signal receiving apparatus.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: August 21, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Myung-Gil Kang, Wan Choi, Dae-Kyu Shin, Sang-Wook Suh
  • Patent number: 10057828
    Abstract: Methods and apparatuses for communicating in a wireless network include a signal processor for combining a plurality of signals transmitted by respective eNBs by processing the signals as multipath instances of a single signal. Embodiments include utilizing multi-point transmissions; multiple transmission time intervals; and transmission time interval bundling/repetition. Other embodiments are also disclosed.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: August 21, 2018
    Assignee: INTEL IP CORPORATION
    Inventors: Seunghee Han, Gi Wan Choi, Hwan-Joon Kwon, Apostolos Papathanassiou, Jong-Kae Fwu
  • Publication number: 20180228471
    Abstract: A method and apparatus for analyzing elastography of tissue using ultrasound waves, wherein elastography information of tissue in a region of interest (ROI) is analyzed by irradiating ultrasound waves for diagnosis towards the ROI to which a shear wave is induced from an ultrasound probe, receiving echo ultrasound waves, and acquiring three-dimensional (3D) ultrasound images with respect to the ROI.
    Type: Application
    Filed: April 11, 2018
    Publication date: August 16, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ji-young PARK, Ki-wan CHOI, Hyoung-ki LEE, Jong-hwa WON
  • Patent number: 10045253
    Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). An operating method of a transmitting apparatus in a mobile communication system is provided. The method comprises regenerating a first interference signal for a receiving apparatus that a service is provided by at least one transmitting apparatus different from the transmitting apparatus at second time prior to first time; and transmitting the regenerated first interference signal at the first time.
    Type: Grant
    Filed: November 27, 2014
    Date of Patent: August 7, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dae-Kyu Shin, Wan Choi, Hyun-Kyu Yu
  • Publication number: 20180220399
    Abstract: Technology for an UE operable to report channel state information (CSI) for multi-user superposition transmissions (MUST) is disclosed. The UE can process a plurality of power offset parameters that are received from an eNodeB, for the MUST. The UE can perform a downlink channel measurement at a user equipment (UE). The UE can scale the downlink channel measurement using at least one of the plurality of power offset parameters to form one or more scaled downlink channel measurements. The UE can calculate CQI values for the one or more scaled downlink channel measurements. The UE can process, for transmission to the eNodeB, the CQI values for the one or more scaled downlink channel measurements to enable the UE to receive data on a physical downlink shared channel (PDSCH) using multi-user superposition transmission.
    Type: Application
    Filed: December 24, 2015
    Publication date: August 2, 2018
    Inventors: Alexei Davydov, Gi Wan Choi, Gregory Morozov