Patents by Inventor Hui-Won Je
Hui-Won Je 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: 11909472Abstract: The disclosure provides a method of providing implicit channel state information (CSI) feedback from a user equipment (UE). The method includes determining a precoding matrix indicator (PMI) selection decision metric, selecting one of a sub-band (SB) linear combination coefficient (LCC) selection method, a wideband (WB) LCC selection method, or a sub-band group (SBG) LCC selection method, based on the determined PMI selection decision metric, determining, using the selected LCC selection method, PMI indices based on sub-bands configured by a base station, and transmitting the determined PMI indices to the base station.Type: GrantFiled: April 26, 2022Date of Patent: February 20, 2024Assignee: Samsung Electronics Co., LtdInventors: Federico Penna, Hyukjoon Kwon, Dongwoon Bai, Jaein Kim, Junho Lee, Hui Won Je
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Publication number: 20230155642Abstract: The disclosure provides a method of providing implicit channel state information (CSI) feedback from a user equipment (UE). The method includes determining a precoding matrix indicator (PMI) selection decision metric, selecting one of a sub-band (SB) linear combination coefficient (LCC) selection method, a wideband (WB) LCC selection method, or a sub-band group (SBG) LCC selection method, based on the determined PMI selection decision metric, determining, using the selected LCC selection method, PMI indices based on sub-bands configured by a base station, and transmitting the determined PMI indices to the base station.Type: ApplicationFiled: April 26, 2022Publication date: May 18, 2023Inventors: Federico PENNA, Hyukjoon KWON, Dongwoon BAI, Jaein KIM, Junho LEE, Hui Won JE
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Patent number: 11405919Abstract: A wireless communication method using a plurality of antennas performed by a controller, the wireless communication method including obtaining a target transmission power level and beam forming information, determining at least one inactive antenna from among the plurality of antennas, based on the target transmission power level and the beam forming information, and controlling transmission signals provided to the plurality of antennas such that transmission via the at least one inactive antenna does not occur.Type: GrantFiled: July 16, 2018Date of Patent: August 2, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Jun-ho Lee, Sang Won Son, Hyun-seok Yu, Young-seok Jung, Hui-won Je
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Patent number: 10841814Abstract: A chipset including at least one processor is provided. The at least one processor of the chipset is configured to acquire an interference whitening (IW) and detection scheme and demodulate an interference signal based on the acquired IW and detection scheme, wherein the IW and detection scheme is determined based on an interference characteristic of the interference signal, and the interference characteristic is determined based on whether a region in which the interference signal is included collides with a reference signal region of a serving cell and whether the interference signal is a reference signal.Type: GrantFiled: May 1, 2017Date of Patent: November 17, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong-Sik Kim, Hui-Won Je, In-Hyoung Kim, Se-Bin Im, Young-Seok Jung
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Patent number: 10616898Abstract: A chipset is provided. The chipset is configured to detect an interference characteristic of a neighbor cell corresponding to groups and perform an interference whitening operation based on the interference characteristic. The groups are generated by dividing a time interval occupied by a first reference signal region by dividing a frequency band occupied by the first reference signal region, or by dividing a time interval occupied by a second reference signal region. A frequency band occupied by the second reference signal region is wider than the frequency band occupied by the first reference signal region.Type: GrantFiled: July 7, 2017Date of Patent: April 7, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Hui-Won Je, Dong-Sik Kim, Joon-Sung Kim, Young-Seok Jung
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Patent number: 10243697Abstract: Provided is a data decoding method of a wireless communication device. The method includes receiving a plurality of sub-frames. The method further includes accumulating data signals respectively included in each of the plurality of sub-frames. The method further includes updating a channel estimation value based on reference signals included in a most recent sub-frame of the plurality of sub-frames. The method further includes calculating a log likelihood ratio (LLR) based on the accumulated data signals and the updated channel estimation value. Furthermore, the method includes decoding data based on the LLR.Type: GrantFiled: April 10, 2018Date of Patent: March 26, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Jin-ho Kim, Se-bin Im, Young-seok Jung, Hui-won Je
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Publication number: 20190037574Abstract: A wireless communication method using a plurality of antennas performed by a controller, the wireless communication method including obtaining a target transmission power level and beam forming information, determining at least one inactive antenna from among the plurality of antennas, based on the target transmission power level and the beam forming information, and controlling transmission signals provided to the plurality of antennas such that transmission via the at least one inactive antenna does not occur.Type: ApplicationFiled: July 16, 2018Publication date: January 31, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Jun-ho Lee, Sang Won Son, Hyun-seok Yu, Young-seok Jung, Hui-won Je
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Publication number: 20180367247Abstract: Provided is a data decoding method of a wireless communication device. The method includes receiving a plurality of sub-frames. The method further includes accumulating data signals respectively included in each of the plurality of sub-frames. The method further includes updating a channel estimation value based on reference signals included in a most recent sub-frame of the plurality of sub-frames. The method further includes calculating a log likelihood ratio (LLR) based on the accumulated data signals and the updated channel estimation value. Furthermore, the method includes decoding data based on the LLR.Type: ApplicationFiled: April 10, 2018Publication date: December 20, 2018Applicant: Samsung Electronics Co., Ltd.Inventors: Jin-ho KIM, Se-bin IM, Young-seok JUNG, Hui-won JE
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Publication number: 20180070365Abstract: A chipset is provided. The chipset is configured to detect an interference characteristic of a neighbor cell corresponding to groups and perform an interference whitening operation based on the interference characteristic. The groups are generated by dividing a time interval occupied by a first reference signal region by dividing a frequency band occupied by the first reference signal region, or by dividing a time interval occupied by a second reference signal region. A frequency band occupied by the second reference signal region is wider than the frequency band occupied by the first reference signal region.Type: ApplicationFiled: July 7, 2017Publication date: March 8, 2018Applicant: Samsung Electronics Co., Ltd.Inventors: Hui-Won JE, Dong-Sik KIM, Joon-Sung KIM, Young-Seok JUNG
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Publication number: 20180035316Abstract: A chipset including at least one processor is provided. The at least one processor of the chipset is configured to acquire an interference whitening (IW) and detection scheme and demodulate an interference signal based on the acquired IW and detection scheme, wherein the IW and detection scheme is determined based on an interference characteristic of the interference signal, and the interference characteristic is determined based on whether a region in which the interference signal is included collides with a reference signal region of a serving cell and whether the interference signal is a reference signal.Type: ApplicationFiled: May 1, 2017Publication date: February 1, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong-Sik KIM, Hui-Won JE, In-Hyoung KIM, Se-Bin IM, Young-Seok JUNG
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Patent number: 9065493Abstract: Provided is a coordinated communication method and apparatus that may perform coordinated communication based on long-term channel information, for each sub-band. Base stations may exchange scheduling information of each sub-band with each other to determine a priority among the base stations, and may perform rescheduling for each sub-band based on the determined priority. The base stations may obtain the long-term channel information, and thus may reduce overhead occurring with exchanging of information between a base station and a terminal or between base stations, and may decrease damage due to a delay of channel information associated with a terminal.Type: GrantFiled: February 25, 2011Date of Patent: June 23, 2015Assignees: Samsung Electronics Co., Ltd., SNU R&D FoundationInventors: Young Jun Hong, Bruno Clerckx, Sung Hyun Choi, Hye Won Lee, Hui Won Je
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Publication number: 20120027108Abstract: Provided is a coordinated communication method and apparatus that may perform coordinated communication based on long-term channel information, for each sub-band. Base stations may exchange scheduling information of each sub-band with each other to determine a priority among the base stations, and may perform rescheduling for each sub-band based on the determined priority. The base stations may obtain the long-term channel information, and thus may reduce overhead occurring with exchanging of information between a base station and a terminal or between base stations, and may decrease damage due to a delay of channel information associated with a terminal.Type: ApplicationFiled: February 25, 2011Publication date: February 2, 2012Inventors: Young Jun Hong, Bruno Clerckx, Sung Hyun Choi, Hye Won Lee, Hui Won Je
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Patent number: 7773946Abstract: Disclosed is a method and apparatus for transmitting data in a cellular communication system including at least one base station that communicates with a plurality of mobile stations through a given frequency band. The method and apparatus divides the frequency band into at least two subcarrier groups each including a plurality of subcarriers; allocates at least one subcarrier group to each mobile station, and changes the subcarrier group allocated to each mobile station according to a predetermined period; and codes data to be transmitted to each mobile station with a plurality of codes, and transmits modulation symbols obtained by performing inverse fast Fourier transform (IFFT) on a plurality of subcarriers of the allocated subcarrier group.Type: GrantFiled: September 26, 2005Date of Patent: August 10, 2010Assignees: Samsung Electronics Co., Ltd., Seoul National University Industry FoundationInventors: Kwang-Bok Lee, Hui-Won Je, Seung-Hoon Nam
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Publication number: 20070298718Abstract: The invention relates to a multi-transmission/reception antenna device and a multi-transmission/reception method in a multi-user and multi-cell environment. When a plurality of spatial subchannels having a multi-user and a multi-transmission/reception antenna are allocated to users (that is, user terminals), a user group to be supported and the number of users are selected in consideration of an influence of interference signals from adjacent cells. Accordingly, variability and independence of channels for users and interference signals from adjacent cells can be effectively used, thereby improving a transfer rate of a wireless communication system. The invention allows data transfer at higher speed with limited wireless resources.Type: ApplicationFiled: October 18, 2006Publication date: December 27, 2007Inventors: Hui Won Je, Kwang Bok Lee
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Publication number: 20060176859Abstract: Disclosed is a method and apparatus for transmitting data in a cellular communication system including at least one base station that communicates with a plurality of mobile stations through a given frequency band. The method and apparatus divides the frequency band into at least two subcarrier groups each including a plurality of subcarriers; allocates at least one subcarrier group to each mobile station, and changes the subcarrier group allocated to each mobile station according to a predetermined period; and codes data to be transmitted to each mobile station with a plurality of codes, and transmits modulation symbols obtained by performing inverse fast Fourier transform (IFFT) on a plurality of subcarriers of the allocated subcarrier group.Type: ApplicationFiled: September 26, 2005Publication date: August 10, 2006Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University Industry FoundationInventors: Kwang-Bok Lee, Hui-Won Je, Seung-Hoon Nam