Patents by Inventor Kwang Taik Kim
Kwang Taik Kim 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: 10778284Abstract: A method includes generating preference information according to each of a plurality of base stations including at least one adjacent base station and transmitting the generated preference information to a serving base station, receiving, from the serving base station, information related to beams of the serving base station and the at least one adjacent base station determined based on the preference information, and receiving a signal by using the information related to the beams, wherein the information related to the beams includes beam information on a partial area in which interference signals transmitted by the at least one adjacent base station are aligned among a whole reception area of the terminal. A serving base station includes a controller configured to configure beams for a partial area in which interference signals transmitted by the at least one adjacent base station are aligned among a whole reception area of the terminal.Type: GrantFiled: August 11, 2016Date of Patent: September 15, 2020Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science & TechnologyInventors: Kwang-Taik Kim, Wan Choi, Myung-Gil Kang, Hyo-Woon Seo, Kyung-Rak Son
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Patent number: 10630422Abstract: A method and apparatus for channel encoding and channel decoding in a wireless communication system are provided. The channel encoding method includes generating a first parity set and a second parity set based on information bits, determining a number of additional parity bits based on a number of the information bits and a required coding rate, generating the determined number of additional parity bits using the information bits, and generating a codeword including the information bits, the first parity set, the second parity set, and the generated additional parity bits.Type: GrantFiled: July 29, 2016Date of Patent: April 21, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Seok-Ki Ahn, Jae-Yoel Kim, Chi-Woo Lim, Min Jang, Kwang-Taik Kim, Woo-Myoung Park
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Patent number: 10498432Abstract: 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 long term evolution (LTE). According to the present disclosure, an method of a receiving end in a wireless communication system includes: receiving network information from a transmitting end; acquiring received signals into which first signals transmitted by the transmitting end for predetermined blocks based on the network information and second signals relayed by a relay end are combined; configuring an expanded graph according to the trajectories of the first signals and the second signals; and restoring a message from the received signals by decoding the received signals according to the expanded graph.Type: GrantFiled: January 5, 2017Date of Patent: December 3, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Kwang Taik Kim, Sung Hoon Lim
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Patent number: 10454535Abstract: 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 Long Term Evolution (LTE). According to various embodiments, in a multiple-input multiple-output wireless communication system, a receiving apparatus may include at least one processor and at least one transceiver. The at least one transceiver may be configured to receive a signal including a plurality of symbols, perform Successive Interference Cancellation (SIC) related to a first symbol of the plurality of symbols on the received signal to obtain a processed signal, determine symbol-sums by applying an equalization matrix for integer forcing to the processed signal, and determine information words corresponding to the plurality of symbols based on the symbol-sums.Type: GrantFiled: February 7, 2018Date of Patent: October 22, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Seok-Ki Ahn, Sungho Chae, Kwang Taik Kim, Young-Han Kim
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Patent number: 10425201Abstract: 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). An operating method of a transmitting apparatus in a wireless communication system is provided. The operating method includes detecting an achievable rate region for a receiving apparatus, and determining a modulation and coding scheme (MCS) level and a sliding window superposition coding (SWSC) multi-input multi-output (MIMO) scheme corresponding to the achievable rate region.Type: GrantFiled: January 26, 2017Date of Patent: September 24, 2019Assignees: Samsung Electronics Co., Ltd., THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Kwang Taik Kim, Young-Han Kim, Seok-Ki Ahn, Chiao-Yi Chen
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Patent number: 10375715Abstract: A method for performing scheduling by a first base station over a wireless communication network, and an apparatus therfor are provided. The method includes receiving first channel status information (CSI) measured by at least one user equipment (UE) positioned in coverage of the first base station and second CSI, determining a first transmission rate for any one of the at least one UE positioned in the coverage of the first base station and a second transmission rate for any one of the at least one UE positioned in the coverage of the second base station, determining a third transmission rate for a first UE among the at least one UE positioned in the coverage of the first base station and a fourth transmission rate for a second UE among the at least one UE positioned in the coverage of the second base station, and performing scheduling.Type: GrantFiled: February 23, 2018Date of Patent: August 6, 2019Assignees: Samsung Electronics Co., Ltd., THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Seok-Ki Ahn, Kwang-Taik Kim, Young-Han Kim, Yong-Seok Kim, Chi-Woo Lim
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Patent number: 10182429Abstract: Disclosed is a method and apparatus for transmitting information in a communication system. The present invention relates to a millimeter wave beamforming-based 5G or pre-5G wireless communication system for supporting a higher data rate beyond a 4G network or LTE system.Type: GrantFiled: March 17, 2016Date of Patent: January 15, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Kwang-Taik Kim, Seok-Ki Ahn, Jeong-Ho Park, Chi-Woo Lim, Jae-Weon Cho
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Patent number: 10129139Abstract: A source node includes a topology information extractor configured to acquire information of a channel state between nodes included in a multicast network, and extract topology information of the multicast network. The source node further includes a relay node selector configured to select, from the nodes, a relay node to relay a packet transmitted from the source node, based on the topology information.Type: GrantFiled: March 25, 2015Date of Patent: November 13, 2018Assignees: Samsung Electronics Co., Ltd., SNU R&D FoundationInventors: Kwang Hoon Han, Sung Hyun Choi, Yeon Chul Shin, Gyu Jin Lee, Kwang Taik Kim, Kyung Hun Jang, Jong Hoe Koo, Seung Kyu Baek
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Publication number: 20180242343Abstract: A method for performing scheduling by a first base station over a wireless communication network, and an apparatus therefor are provided. The method includes receiving first channel status information (CSI) measured by at least one user equipment (UE) positioned in coverage of the first base station and second CSI, determining a first transmission rate for any one of the at least one UE positioned in the coverage of the first base station and a second transmission rate for any one of the at least one UE positioned in the coverage of the second base station, determining a third transmission rate for a first UE among the at least one UE positioned in the coverage of the first base station and a fourth transmission rate for a second UE among the at least one UE positioned in the coverage of the second base station, and performing scheduling.Type: ApplicationFiled: February 23, 2018Publication date: August 23, 2018Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Seok-Ki AHN, Kwang-Taik KIM, Young-Han KIM, Yong-Seok KIM, Chi-Woo LIM
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Publication number: 20180227884Abstract: Disclosed is a method and apparatus for transmitting information in a communication system. The present invention relates to a millimeter wave beamforming-based 5G or pre-5G wireless communication system for supporting a higher data rate beyond a 4G network or LTE system.Type: ApplicationFiled: March 17, 2016Publication date: August 9, 2018Inventors: Kwang-Taik Kim, Seok-Ki Ahn, Jeong-Ho Park, Chi-Woo Lim, Jae-Weon Cho
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Publication number: 20180227020Abstract: 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 Long Term Evolution (LTE). According to various embodiments, in a multiple-input multiple-output wireless communication system, a receiving apparatus may include at least one processor and at least one transceiver. The at least one transceiver may be configured to receive a signal including a plurality of symbols, perform Successive Interference Cancellation (SIC) related to a first symbol of the plurality of symbols on the received signal to obtain a processed signal, determine symbol-sums by applying an equalization matrix for integer forcing to the processed signal, and determine information words corresponding to the plurality of symbols based on the symbol-sums.Type: ApplicationFiled: February 7, 2018Publication date: August 9, 2018Inventors: Seok-Ki AHN, Sungho CHAE, Kwang Taik KIM, Young-Han KIM
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Patent number: 9826459Abstract: A wireless multi-hop network includes a source node, at least one relay node, and a destination node. Each relay node is configured to perform partial decoding on a received signal including at least one previous-hop transmission signal according to a predefined function to calculate a function signal for the at least one previous-hop transmission signal, and encode the function signal and transmit the encoded function signal to a next hop. A destination node includes a receiver configured to obtain a received signal comprising a combination of a plurality of transmission signals for transmission by a source node and to be relayed by at least one relay node, and a decoder configured to configure a decoder graph corresponding to channel coding by the source node and relay nodes and to joint-decode the received signal according to the decoder graph to detect information blocks from the received signal.Type: GrantFiled: January 16, 2015Date of Patent: November 21, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-Hoon Lim, Kwang-Taik Kim, Young-Han Kim
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Patent number: 9800425Abstract: A multiple multicast network system and method for ensuring reliability in such a network are provided. A multiple multicast method in a multiple multicast network system may include grouping terminals having data to be transmitted to each other in a group. The method transmits, by each of the terminals in the group, data of each of the terminals to the other terminals in the group. In response to receiving the data, the method provides, to the terminals in the group, as feedback, missing packet information, and generates, by a terminal among the terminals in the group, a secondary network-coded packet by performing network coding based on a successfully received packet and data of each of the terminal, and transmits the secondary network-coded packet to the other terminals in the group based on the missing packet information.Type: GrantFiled: October 20, 2014Date of Patent: October 24, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Sung Hoon Lim, Kwang Taik Kim, Kwang Hoon Han
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Patent number: 9774381Abstract: A cooperative communication system is provided. The cooperative communication system includes a transmitter that generates a codeword from data blocks based on a long message encoding scheme, and multicasts a signal including the codeword; relays, each relay configured to receive the multicasted signal, encode the multicasted signal using a encoding scheme independent from encoding schemes of other relays to generate a random-mapped signal of the data blocks, and relay the random-mapped signal of the data blocks; and a receiver that receives signals relayed by the relays, and generates the data blocks from the signals based on a joint decoding scheme.Type: GrantFiled: January 13, 2014Date of Patent: September 26, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kwang Taik Kim, Sung Hoon Lim, Kyung Hun Jang
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Publication number: 20170214502Abstract: 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). An operating method of a transmitting apparatus in a wireless communication system is provided. The operating method includes detecting an achievable rate region for a receiving apparatus, and determining a modulation and coding scheme (MCS) level and a sliding window superposition coding (SWSC) multi-input multi-output (MIMO) scheme corresponding to the achievable rate region.Type: ApplicationFiled: January 26, 2017Publication date: July 27, 2017Inventors: Kwang Taik KIM, Young-Han KIM, Seok-Ki AHN, Chiao-Yi CHEN
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Publication number: 20170195014Abstract: 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 long term evolution (LTE). According to the present disclosure, an method of a receiving end in a wireless communication system includes: receiving network information from a transmitting end; acquiring received signals into which first signals transmitted by the transmitting end for predetermined blocks based on the network information and second signals relayed by a relay end are combined; configuring an expanded graph according to the trajectories of the first signals and the second signals; and restoring a message from the received signals by decoding the received signals according to the expanded graph.Type: ApplicationFiled: January 5, 2017Publication date: July 6, 2017Inventors: Kwang Taik Kim, Sung Hoon Lim
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Publication number: 20170047966Abstract: A method includes generating preference information according to each of a plurality of base stations including at least one adjacent base station and transmitting the generated preference information to a serving base station, receiving, from the serving base station, information related to beams of the serving base station and the at least one adjacent base station determined based on the preference information, and receiving a signal by using the information related to the beams, wherein the information related to the beams includes beam information on a partial area in which interference signals transmitted by the at least one adjacent base station are aligned among a whole reception area of the terminal.Type: ApplicationFiled: August 11, 2016Publication date: February 16, 2017Inventors: Kwang-Taik Kim, Wan Choi, Myung-Gil Kang, Hyo-Woon Seo, Kyung-Rak Son
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Publication number: 20170033894Abstract: A method and apparatus for channel encoding and channel decoding in a wireless communication system are provided. The channel encoding method includes generating a first parity set and a second parity set based on information bits, determining a number of additional parity bits based on a number of the information bits and a required coding rate, generating the determined number of additional parity bits using the information bits, and generating a codeword including the information bits, the first parity set, the second parity set, and the generated additional parity bits.Type: ApplicationFiled: July 29, 2016Publication date: February 2, 2017Inventors: Seok-Ki AHN, Jae-Yoel KIM, Chi-Woo LIM, Min JANG, Kwang-Taik KIM, Woo-Myoung PARK
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Patent number: 9516661Abstract: A Relay Station (RS), and a corresponding method of performing scheduling at an RS in a mobile communication network are provided. The RS and corresponding method receive channel state information and scheduling information from an apparatus associated with the RS, the scheduling information defining scheduling parameters for downlink transmission of data. The RS and corresponding method also obtain updated scheduling parameters based on the scheduling information, the channel state information, and an amount of the data.Type: GrantFiled: August 6, 2014Date of Patent: December 6, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Mahmoud Hadef, Jim O'Reilly, Kwang Taik Kim, Kyung Hun Jang
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Publication number: 20150372897Abstract: A source node includes a topology information extractor configured to acquire information of a channel state between nodes included in a multicast network, and extract topology information of the multicast network. The source node further includes a relay node selector configured to select, from the nodes, a relay node to relay a packet transmitted from the source node, based on the topology information.Type: ApplicationFiled: March 25, 2015Publication date: December 24, 2015Applicants: Samsung Electronics Co., Ltd., SNU R&DB FOUNDATIONInventors: Kwang Hoon HAN, Sung Hyun CHOI, Yeon Chul SHIN, Gyu Jin LEE, Kwang Taik KIM, Kyung Hun JANG, Jong Hoe KOO, Seung Kyu BAEK