Patents by Inventor Hyeong Geun Park
Hyeong Geun 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: 20180167869Abstract: A signal transmitting method according to an exemplary embodiment of the present invention includes channel-coding broadcasting channel information by using a first scrambling code in a first frame within a broadcasting channel information updating period including a plurality of frames, and channel-coding the broadcasting channel information by using a second scrambling code in a second frame within the broadcasting channel information updating period. The second scrambling code is different from the first scrambling code.Type: ApplicationFiled: February 13, 2018Publication date: June 14, 2018Inventors: Hyeong-Geun PARK, Il-Gyu KIM, Kap-Seok CHANG, Young-Jo KO, Hyo-Seok YI, Young-Hoon KIM, Seung-Chan BANG
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Publication number: 20180160366Abstract: The present application relates to a method of generating a downlink frame. The method of generating the downlink frame includes: generating a first short sequence and a second short sequence indicating cell group information; generating a first scrambling sequence and a second scrambling sequence determined by the primary synchronization signal; generating a third scrambling sequence determined by the first short sequence and a fourth scrambling sequence determined by the second short sequence; scrambling the short sequences with the respective scrambling sequences; and mapping the secondary synchronization signal that includes the first short sequence scrambled with the first scrambling sequence, the second short sequence scrambled with the second scrambling sequence and the third scrambling sequence, the second short sequence scrambled with the first scrambling sequence and the first short sequence scrambled by the second scrambling sequence and the fourth scrambling sequence to a frequency domain.Type: ApplicationFiled: February 6, 2018Publication date: June 7, 2018Inventors: Kap Seok CHANG, Il Gyu KIM, Hyeong Geun PARK, Young Jo KO, Hyo Seok Yl, Chan Bok JEONG, Young Hoon KIM, Seung Chan BANG
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Patent number: 9894595Abstract: A signal transmitting method according to an exemplary embodiment of the present invention includes channel-coding broadcasting channel information by using a first scrambling code in a first frame within a broadcasting channel information updating period including a plurality of frames, and channel-coding the broadcasting channel information by using a second scrambling code in a second frame within the broadcasting channel information updating period. The second scrambling code is different from the first scrambling code.Type: GrantFiled: September 18, 2015Date of Patent: February 13, 2018Assignees: Electronics and Telecommunications Research Institute, Samsung Electronics Co. Ltd.Inventors: Hyeong-Geun Park, Il-Gyu Kim, Kap-Seok Chang, Young-Jo Ko, Hyo-Seok Yi, Young-Hoon Kim, Seung-Chan Bang
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Patent number: 9888435Abstract: The present application relates to a method of generating a downlink frame. The method of generating the downlink frame includes: generating a first short sequence and a second short sequence indicating cell group information; generating a first scrambling sequence and a second scrambling sequence determined by the primary synchronization signal; generating a third scrambling sequence determined by the first short sequence and a fourth scrambling sequence determined by the second short sequence; scrambling the short sequences with the respective scrambling sequences; and mapping the secondary synchronization signal that includes the first short sequence scrambled with the first scrambling sequence, the second short sequence scrambled with the second scrambling sequence and the third scrambling sequence, the second short sequence scrambled with the first scrambling sequence and the first short sequence scrambled by the second scrambling sequence and the fourth scrambling sequence to a frequency domain.Type: GrantFiled: November 11, 2015Date of Patent: February 6, 2018Assignee: Electronics and Telecommunications Research InstituteInventors: Kap Seok Chang, Il Gyu Kim, Hyeong Geun Park, Young Jo Ko, Hyo Seok Yi, Chan Bok Jeong, Young Hoon Kim, Seung Chan Bang
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Patent number: 9708584Abstract: The present invention relates to a medium composition for transforming stem cells from an aged person into young stem cells, and more particularly to a medium composition for culturing stem cells, which is used to rejuvenate stem cells from an aged person so as to have characteristics similar to those of the stem cells of young people, and to a method for rejuvenating stem cells, which comprises culturing stem cells from an aged person in the medium composition. According to the present invention, even mesenchymal stem cells collected from over 60 years old patients can be transformed into young mesenchymal stem cells having high differentiation ability, high telomerase activity, and high ability to express stem cell markers. Thus, the present invention can significantly increase the efficacy of cell therapy employing mesenchymal stem cells.Type: GrantFiled: December 3, 2012Date of Patent: July 18, 2017Assignee: R BIO CO., LTD.Inventors: Sung Keun Kang, Jeong Chan Ra, Hyeong Geun Park, Hang Young Lee
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Publication number: 20170181152Abstract: When a plurality of terminals share the same resources in a wireless communication system, and when control information such as acknowledgement/negative acknowledgement (ACK/NAK) information or scheduling information is transmitted, a method of efficiently performing code division multiplexing (CDM) is required to distinguish the plurality of terminals. In particular, it is necessary to develop a method by which a code sequence of CDM can be selected and used according to each cell condition. Provided is a method of forming a signal in a wireless communication system in which a plurality of terminals commonly share frequency and time resources. The method includes the operations of receiving condition information in a cell; selecting one of a plurality of time domain orthogonal sequences having different lengths, according to the condition information; and allocating the selected time domain orthogonal sequence to a control signal symbol block.Type: ApplicationFiled: March 7, 2017Publication date: June 22, 2017Inventors: Young-Jo KO, Hyeong-Geun PARK, Il-Gyu Kim, Kapseok CHANG, Hyoseok Yi, Young-Hoon Kim, Seung-Chan Bang
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Patent number: 9602233Abstract: When a plurality of terminals share the same resources in a wireless communication system, and when control information such as acknowledgement/negative acknowledgement (ACK/NAK) information or scheduling information is transmitted, a method of efficiently performing code division multiplexing (CDM) is required to distinguish the plurality of terminals. In particular, it is necessary to develop a method by which a code sequence of CDM can be selected and used according to each cell condition. Provided is a method of forming a signal in a wireless communication system in which a plurality of terminals commonly share frequency and time resources. The method includes the operations of receiving condition information in a cell; selecting one of a plurality of time domain orthogonal sequences having different lengths, according to the condition information; and allocating the selected time domain orthogonal sequence to a control signal symbol block.Type: GrantFiled: January 31, 2013Date of Patent: March 21, 2017Assignee: Electronics and Telecommunications Research InstituteInventors: Young-Jo Ko, Hyeong-Geun Park, Il-Gyu Kim, Kapseok Chang, Hyoseok Yi, Young-Hoon Kim, Seung-Chan Bag
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Publication number: 20170026922Abstract: A method of searching a cell in a mobile station of a communication system in which a plurality of cells are grouped into a plurality of cell groups, each cell group including at least two cells, includes: detecting a primary synchronization signal and a secondary synchronization signal from a received signal; and identifying a cell based on a combination of the primary synchronization signal and the secondary synchronization signal. The secondary synchronization signal is related to the cell group to which the mobile station belongs and the primary synchronization signal is related to the cell to which the mobile station belongs within the cell group.Type: ApplicationFiled: October 6, 2016Publication date: January 26, 2017Inventors: Il Gyu KIM, Hyeong Geun PARK, Young Jo KO, Kapseok CHANG, Hyo Seok YI, Young Hoon KIM, Seung Chan BANG
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Patent number: 9496976Abstract: A method of and an apparatus therefor searching a cell in a mobile station of a communication system in which a plurality of cells are grouped into a plurality of cell groups, and each cell group includes at least two cells. The method includes detecting a primary synchronization signal and a secondary synchronization signal from a received signal, and identifying a cell based on a combination of the primary synchronization signal and the secondary synchronization signal. The secondary synchronization signal is related to the cell group to which the mobile station belongs and the primary synchronization signal is related to the cell to which the mobile station belongs within the cell group.Type: GrantFiled: July 7, 2015Date of Patent: November 15, 2016Assignee: Electronics and Telecommunications Research InstituteInventors: Il Gyu Kim, Hyeong Geun Park, Young Jo Ko, Kapseok Chang, Hyo Seok Yi, Young Hoon Kim, Seung Chan Bang
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Publication number: 20160066260Abstract: The present application relates to a method of generating a downlink frame. The method of generating the downlink frame includes: generating a first short sequence and a second short sequence indicating cell group information; generating a first scrambling sequence and a second scrambling sequence determined by the primary synchronization signal; generating a third scrambling sequence determined by the first short sequence and a fourth scrambling sequence determined by the second short sequence; scrambling the short sequences with the respective scrambling sequences; and mapping the secondary synchronization signal that includes the first short sequence scrambled with the first scrambling sequence, the second short sequence scrambled with the second scrambling sequence and the third scrambling sequence, the second short sequence scrambled with the first scrambling sequence and the first short sequence scrambled by the second scrambling sequence and the fourth scrambling sequence to a frequency domain.Type: ApplicationFiled: November 11, 2015Publication date: March 3, 2016Inventors: Kap Seok CHANG, Il Gyu KIM, Hyeong Geun PARK, Young Jo KO, Hyo Seok YI, Chan Bok JEONG, Young Hoon KIM, Seung Chan BANG
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Publication number: 20160014675Abstract: A signal transmitting method according to an exemplary embodiment of the present invention includes channel-coding broadcasting channel information by using a first scrambling code in a first frame within a broadcasting channel information updating period including a plurality of frames, and channel-coding the broadcasting channel information by using a second scrambling code in a second frame within the broadcasting channel information updating period. The second scrambling code is different from the first scrambling code.Type: ApplicationFiled: September 18, 2015Publication date: January 14, 2016Inventors: Hyeong-Geun PARK, Il-Gyu KIM, Kap-Seok CHANG, Young-Jo KO, Hyo-Seok YI, Young-Hoon KIM, Seung-Chan BANG
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Patent number: 9204438Abstract: The present application relates to a method of generating a downlink frame. The method of generating the downlink frame includes: generating a first short sequence and a second short sequence indicating cell group information; generating a first scrambling sequence and a second scrambling sequence determined by the primary synchronization signal; generating a third scrambling sequence determined by the first short sequence and a fourth scrambling sequence determined by the second short sequence; scrambling the short sequences with the respective scrambling sequences; and mapping the secondary synchronization signal that includes the first short sequence scrambled with the first scrambling sequence, the second short sequence scrambled with the second scrambling sequence and the third scrambling sequence, the second short sequence scrambled with the first scrambling sequence and the first short sequence scrambled by the second scrambling sequence and the fourth scrambling sequence to a frequency domain.Type: GrantFiled: April 27, 2015Date of Patent: December 1, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Kap Seok Chang, Il Gyu Kim, Hyeong Geun Park, Young Jo Ko, Hyo Seok Yi, Chan Bok Jeong, Young Hoon Kim, Seung Chan Bang
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Publication number: 20150333858Abstract: A method of and an apparatus therefor searching a cell in a mobile station of a communication system in which a plurality of cells are grouped into a plurality of cell groups, and each cell group includes at least two cells. The method includes detecting a primary synchronization signal and a secondary synchronization signal from a received signal, and identifying a cell based on a combination of the primary synchronization signal and the secondary synchronization signal. The secondary synchronization signal is related to the cell group to which the mobile station belongs and the primary synchronization signal is related to the cell to which the mobile station belongs within the cell group.Type: ApplicationFiled: July 7, 2015Publication date: November 19, 2015Inventors: Il Gyu KIM, Hyeong Geun PARK, Young Jo KO, Kapseok CHANG, Hyo Seok YI, Young Hoon KIM, Seung Chan BANG
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Patent number: 9144064Abstract: A method is provided for searching for a cell in a mobile station. The method includes receiving a downlink frame including a primary synchronization signal and a secondary synchronization signal. The secondary synchronization signal contains cell identity group information and the primary synchronization signal contains cell identity information within a cell identity group. The method also includes searching for a cell using the cell identity group information in the secondary synchronization signal and the cell identity information in the primary synchronization sign.Type: GrantFiled: October 22, 2012Date of Patent: September 22, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Kap Seok Chang, Il Gyu Kim, Hyeong Geun Park, Young Jo Ko, Hyo Seok Yi, Chan Bok Jeong, Young Hoon Kim, Seung Chan Bang
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Patent number: 9143256Abstract: A signal transmitting method according to an exemplary embodiment of the present invention includes channel-coding broadcasting channel information by using a first scrambling code in a first frame within a broadcasting channel information updating period including a plurality of frames, and channel-coding the broadcasting channel information by using a second scrambling code in a second frame within the broadcasting channel information updating period. The second scrambling code is different from the first scrambling code.Type: GrantFiled: March 7, 2008Date of Patent: September 22, 2015Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyeong-Geun Park, Il-Gyu Kim, Kap-Seok Chang, Young-Jo Ko, Hyo-Seok Yi, Young-Hoon Kim, Seung-Chan Bang
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Patent number: 9143257Abstract: A signal transmitting method according to an exemplary embodiment of the present invention includes channel-coding broadcasting channel information by using a first scrambling code in a first frame within a broadcasting channel information updating period including a plurality of frames, and channel-coding the broadcasting channel information by using a second scrambling code in a second frame within the broadcasting channel information updating period. The second scrambling code is different from the first scrambling code.Type: GrantFiled: December 10, 2009Date of Patent: September 22, 2015Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyeong-Geun Park, Il-Gyu Kim, Kap-Seok Chang, Young-Jo Ko, Hyo-Seok Yi, Young-Hoon Kim, Seung-Chan Bang
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Patent number: 9113380Abstract: A method of and an apparatus therefor searching a cell in a mobile station of a communication system in which a plurality of cells are grouped into a plurality of cell groups, and each cell group includes at least two cells. The method includes detecting a primary synchronization signal and a secondary synchronization signal from a received signal, and identifying a cell based on a combination of the primary synchronization signal and the secondary synchronization signal. The secondary synchronization signal is related to the cell group to which the mobile station belongs and the primary synchronization signal is related to the cell to which the mobile station belongs within the cell group.Type: GrantFiled: February 23, 2013Date of Patent: August 18, 2015Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Il Gyu Kim, Hyeong Geun Park, Young Jo Ko, Kapseok Chang, Hyo Seok Yi, Young Hoon Kim, Seung Chan Bang
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Publication number: 20150230219Abstract: The present application relates to a method of generating a downlink frame. The method of generating the downlink frame includes: generating a first short sequence and a second short sequence indicating cell group information; generating a first scrambling sequence and a second scrambling sequence determined by the primary synchronization signal; generating a third scrambling sequence determined by the first short sequence and a fourth scrambling sequence determined by the second short sequence; scrambling the short sequences with the respective scrambling sequences; and mapping the secondary synchronization signal that includes the first short sequence scrambled with the first scrambling sequence, the second short sequence scrambled with the second scrambling sequence and the third scrambling sequence, the second short sequence scrambled with the first scrambling sequence and the first short sequence scrambled by the second scrambling sequence and the fourth scrambling sequence to a frequency domain.Type: ApplicationFiled: April 27, 2015Publication date: August 13, 2015Inventors: Kap Seok CHANG, Il Gyu KIM, Hyeong Geun PARK, Young Jo KO, Hyo Seok YI, Chan Bok JEONG, Young Hoon KIM, Seung Chan BANG
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Patent number: 9036458Abstract: A method is provided for forming a signal in a wireless communication system in which a plurality of terminals commonly use time and frequency resources for efficient code hopping. The method includes allocating the same frequency-axis sequence and different time-axis sequences to a plurality of terminals by using a resource index according to a first slot in the first slot; and allocating different frequency-axis sequences and different time-axis sequences to the plurality of terminals by using a resource index according to a second slot in the second slot.Type: GrantFiled: October 23, 2012Date of Patent: May 19, 2015Assignees: Samsung Electronics Co., Ltd, Electronics and Telecommunications Research InstituteInventors: Young-Jo Ko, Hyeong-Geun Park, Il-Gyu Kim, Kapseok Chang, Hyoseok Yi, Young-Hoon Kim, Seung-Chan Bang
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Patent number: 8982911Abstract: The present invention relates to a method for generating a downlink frame including generating a first short sequence and a second short sequence indicating cell group information, generating a first scrambling sequence determined by the first synchronization signal, generating a second scrambling sequence determined by the first short sequence, scrambling the first short sequence with the first scrambling sequence, scrambling the second short sequence with at least the second scrambling sequence, and mapping a second synchronization signal including the scrambled first short sequence and the scrambled second short sequence in the frequency domain.Type: GrantFiled: November 8, 2012Date of Patent: March 17, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Kap Seok Chang, Il Gyu Kim, Hyeong Geun Park, Young Jo Ko, Hyo Seok Yi, Moon Sik Lee, Young Hoon Kim, Seung Chan Bang