Abstract: A method for reporting channel state information (CSI) by means of a terminal in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving a channel state information reference signal (CSI-RS) from a base station, wherein the CSI-RS is related to at least one panel of an antenna array of the base station; generating CSI on the basis of the CSI-RS and a codebook according to a specific shape of the at least one panel; and reporting the CSI to the base station.
Type:
Application
Filed:
November 19, 2019
Publication date:
January 20, 2022
Applicant:
Sogang University Research Foundation
Inventors:
Jonghyun Park, Jiyeong Yang, Wonjin Sung, Haewook Park
Abstract: Provided are a Nb-doped nickel oxide-zirconia composite catalyst, and a method for preparing the same. An excellent methane modification reaction is performed by doping a nickel oxide site with niobium, so that alcohol may be prepared at low costs.
Type:
Grant
Filed:
August 20, 2019
Date of Patent:
December 21, 2021
Assignee:
SOGANG UNIVERSITY RESEARCH & BUSINESS DEVELOPMENT FOUNDATION
Inventors:
Jun Hyuk Moon, Cheol Ho Kim, Min Jae Jeong
Abstract: Disclosed herein is a method for rectifying a 2D multi-view image. The method for rectifying a 2D multi-view image according to an embodiment of the present disclosure may include: detecting uniformly the at least one feature point in each region unit distinguished by considering a distribution of feature points of a plurality of input images: removing an error of the least one feature point; determining a corresponding pair for a vertical or horizontal direction of the at least one feature point; by considering an arrangement relationship of the plurality of input images, projecting the at least one feature point onto a projection plane; determining a disparity error for a corresponding pair for the at least one feature point that is projected onto the projection plane; and, by considering the disparity error, performing image rectification based on the at least one feature point.
Type:
Application
Filed:
May 14, 2021
Publication date:
November 18, 2021
Applicants:
Electronics and Telecommunications Research Institute, SOGANG UNIVERSITY RESEARCH & BUSINESS DEVELOPMENT FOUNDATION
Inventors:
Joon Soo KIM, Kug Jin YUN, Jun Young JEONG, Suk Ju KANG, Jung Hee KIM, Yeo Hun YUN
Abstract: The present invention relates to a method of preparing an aromatic compound from acetylene, which includes synthesizing an aromatic compound from an acetylene-containing reactant gas in the presence of a zeolite catalyst for the aromatization of acetylene, and subjecting the zeolite catalyst deactivated by the coke formed in the aromatization of acetylene, to plasma treatment at ambient temperature and pressure so as to selectively remove the external cokes and partial internal coke, thereby regenerating the zeolite catalyst; a method of regenerating the zeolite catalyst used in the aromatization of acetylene by plasma treatment; and a regenerated zeolite catalyst for the aromatization of acetylene, prepared thereof.
Type:
Grant
Filed:
February 28, 2019
Date of Patent:
October 19, 2021
Assignee:
Industry-University Cooperation Foundation Sogang University
Inventors:
Kyoung-Su Ha, MahnJung Kim, Juchan Kim, Jaekwon Jeoung
Abstract: The present invention relates to a polymeric hollow fiber membrane and a carbon molecular sieve hollow fiber membrane, both of which have excellent gas separation performance, and processes for preparing the same. Specifically, the present invention relates to a hybrid polymeric hollow fiber membrane that comprises a glassy polymer containing fluorine and a ladder-structured polysilsesquioxane, a hybrid carbon molecular sieve hollow fiber membrane prepared by pyrolysis thereof, and processes for preparing the same. The hybrid polymeric hollow fiber membrane and the hybrid carbon molecular sieve hollow fiber membrane according to the embodiments of the present invention are excellent in gas flux and selectivity and can have a large surface area per unit volume. Thus, they can be advantageously used for separating gases with a high energy efficiency on a large scale.
Type:
Grant
Filed:
December 11, 2018
Date of Patent:
October 5, 2021
Assignee:
Sogang University Research & Business Development Foundation
Inventors:
Jong Suk Lee, Ju Ho Shin, Heseong An, Hyun Jung Yu
Abstract: A centrifugal blood pump includes: a housing; a suction inlet for introducing blood into the housing; an impeller that is rotatably disposed in the housing and imparts a centrifugal flow to the blood introduced through the suction inlet by rotation; and a discharge outlet for discharging the blood given a centrifugal flow by the impeller. The impeller is formed in a double impeller structure including double vanes arranged vertically.
Type:
Application
Filed:
July 2, 2019
Publication date:
September 30, 2021
Applicant:
SOGANG UNIVERSITY RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
Inventors:
Nahmkeon HUR, Seongwon KANG, Wonjung KIM
Abstract: The present invention relates to an adaptive medical image transmission device and method which consider communication state and residual power. The adaptive medical image transmission method induces an image receiving device to post-process a result of medical image processing performed by a medical image transmission device by: receiving medical image data by means of a probe; sensing communication throughput indicative of a communication state between the image transmission device and the image receiving device; variably determining a data rate required to transmit data on the basis of a preset data rate based on the sensed communication throughput; performing medical image processing by selecting a signal path which satisfies the determined data rate with respect to the medical image data; and transmitting the result of the medical image processing to the image receiving device according to the determined data rate.
Type:
Grant
Filed:
June 18, 2015
Date of Patent:
September 28, 2021
Assignee:
SOGANG UNIVERSITY RESEARCH FOUNDATION
Inventors:
Tai-Kyong Song, Woo Kyu Kong, Sun Mi Yeo, Gi-Duck Kim, Jaejin Lee, Jeeun Kang, Jong Ho Park, Yeongnam Lee
Abstract: The present invention relates to a dielectric barrier discharge (DBD) plasma reactor for the preparation of C2+ hydrocarbons from methane, wherein the DBD plasma reactor comprises macroporous silica, as a dielectric material, and optionally a photocatalyst that is impregnated into the pores of the macroporous silica.
Type:
Application
Filed:
October 20, 2020
Publication date:
August 26, 2021
Applicants:
Sogang University Research & Business Development Foundation, Korea Advanced Institute of Science and Technology
Inventors:
Kyoung-Su Ha, Jinwoo Lee, Juchan Kim, Namheon Lee, Seongseop Kim, Yeongkwang Bae
Abstract: A method for reporting channel state information (CSI) by user equipment (UE) for beamforming based on an antenna array in a wireless communication system according to an embodiment of the present disclosure includes: receiving a channel state information reference signal (CSI-RS); generating channel state information using the CSI-RS and a codebook generated in advance; and reporting the channel state information. The channel state information includes information related to a codevector determined in the codebook, the antenna array has a three-dimensional shape having omnidirectional symmetry, the codebook is generated based on a position of the UE having a center of the three-dimensional shape as an origin, and the position of the UE is represented based on a polar coordinate system.
Type:
Application
Filed:
September 5, 2019
Publication date:
August 5, 2021
Applicants:
LG ELECTRONICS INC., SOGANG UNIVERSITY RESEARCH FOUNDATION
Inventors:
Jonghyun PARK, Wonjae RYOO, Wonjin SUNG, Hyukjun LEE, Haewook PARK
Abstract: An apparatus for evaluating performance of an ultrasonic transducer includes a transducer assembly having an ultrasonic transducer and an acoustic medium and configured to transmit and receive an ultrasonic wave, a storage unit configured to store a reference signal value which represents the performance of the ultrasonic transducer, and a processing unit configured to control the transducer assembly to emit ultrasonic wave and receive a response (echo) signal thereto to measure a magnitude or energy amount of the response signal, the processing unit comparing a measured value with the reference signal value stored in the storage unit to evaluate the performance of the ultrasonic transducer.
Abstract: The present disclosure provides a quantum dot thin film that is formed by cross-linking ligands of quantum dots with a photo cross-linker containing two or more azide groups. According to still another aspect of the present disclosure, a method for forming a quantum dot pattern includes: forming a quantum dot layer on a substrate by coating the substrate with a solution including quantum dots and a photo cross-linker containing two or more azide groups; placing a mask having a pattern on the quantum dot layer and performing UV exposure on the quantum dot layer; and forming a quantum dot pattern by removing a non-exposed region of the quantum dot layer.
Type:
Grant
Filed:
April 8, 2019
Date of Patent:
July 6, 2021
Assignees:
Foundation of Soongsil University-Industry Cooperation, Sogang University Research & Business Development Foundation
Inventors:
Moon Sung Kang, Jeong Ho Cho, Jee Hye Yang
Abstract: Discloses are a data clustering apparatus and method based on a range query using a CF tree. The data clustering apparatus includes a CF tree construction unit configured to construct a CF tree, including a leaf node configured with a micro cluster (MC) and an index node configured with a sub-cluster (SC), based on a plurality of data included in a data set, a micro cluster segment (MCS) generation unit configured to generate an MCS based on a distance between the MCs while sequentially searching the leaf node to a right, and a cluster set generation unit configured to generate a cluster set by performing a range query on the MCS.
Abstract: A carbon-sulfur composite including a carbon aggregate and sulfur, a method for preparing the same, and a positive electrode and a lithium-sulfur battery including the same.
Type:
Grant
Filed:
February 28, 2018
Date of Patent:
June 15, 2021
Assignees:
LG CHEM, LTD., SOGANG UNIVERSITY RESEARCH FOUNDATION
Abstract: An ultra-thin drug pump may include a micro-body including a drug chamber, an intermediate outlet formed on one upper side, and an aperture formed on the other upper side; a first membrane covering the aperture; a second membrane covering the intermediate outlet and including a drug outlet formed at a position spaced apart from the intermediate outlet; and a magnetic driving part formed on the first membrane to face the drug chamber, and can release a predetermined amount of the drug by an external magnetic field.
Type:
Application
Filed:
November 27, 2019
Publication date:
May 27, 2021
Applicants:
SOGANG UNIVERSITY RESEARCH FOUNDATION, NEO VISION CO., LTD.
Inventors:
Jung Yul Park, Cong Wang, Jung Wook Kim
Abstract: A method of extracting nicknames of identical user by an apparatus operated by at least one processor, the method includes receiving a posting uploaded to an online community from a server; extracting at least one feature information for identifying a posting writer who writes the posting, from the posting; and extracting nicknames of identical user with the posing writer, from a plurality of nicknames, based on similarity of the feature information with a predetermined reference or greater.
Abstract: The present invention relates to a method of preparing an MFI zeolite with a microporous and mesoporous hierarchical structure in which a non-benzene-based first structure-directing agent, which provides ordered microporous pore sizes and a framework of MFI zeolite seed crystals, and a second structure-directing agent containing one benzene ring and an ammonium ion, which functions as a mesopore-directing agent without interfering with the function of the first structure-directing agent, are simultaneously used; an MFI zeolite with a microporous and mesoporous hierarchical structure, which is prepared by the method, and a catalyst use thereof for a reaction of converting acetylene into an aromatic compound; and a method of preparing an aromatic compound from acetylene using the catalyst.
Type:
Grant
Filed:
December 14, 2017
Date of Patent:
May 11, 2021
Assignee:
Sogang University Research Foundation
Inventors:
Kyoung-Su Ha, Kwang Min Kim, Jong Hyun Jeon, Choongik Kim, Daegak Kim
Abstract: An image processing apparatus is provided. The image processing apparatus includes a memory configured to store at least one instruction; and a processor configured to read the at least one instruction and configured to, according to the at least one instruction: apply a learning network model to an input image frame and acquire information on an area of interest; and acquire an output image frame by retargeting the input image frame based on the acquired information on the area of interest. The learning network model is a model that is trained to acquire the information on the area of interest in the input image frame.
Type:
Grant
Filed:
May 23, 2019
Date of Patent:
May 11, 2021
Assignees:
SAMSUNG ELECTRONICS CO., LTD., Sogang University Research & Business Development Foundation
Inventors:
Hyungjun Lim, Suk-Ju Kang, Seung Joon Lee, Youngsu Moon, Siyeong Lee, Sung In Cho
Abstract: Provided is a target speech signal extraction method for robust speech recognition including: receiving information on a direction of arrival of the target speech source with respect to the microphones; generating a nullformer by using the information on the direction of arrival of the target speech source to remove the target speech signal from the input signals and to estimate noise; setting a real output of the target speech source using an adaptive vector as a first channel and setting a dummy output by the nullformer as a remaining channel; setting a cost function for minimizing dependency between the real output of the target speech source and the dummy output using the nullformer by performing independent component analysis (ICA) or independent vector analysis (IVA); setting an auxiliary function to the cost function; and estimating the target speech signal by using the cost function and the auxiliary function.
Type:
Grant
Filed:
April 15, 2020
Date of Patent:
April 27, 2021
Assignee:
INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
Inventors:
Hyung Min Park, Seoyoung Lee, Seung-Yun Kim, Byung Joon Cho, Uihyeop Shin