Patents by Inventor In Kyu BAEK
In Kyu BAEK 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: 10542479Abstract: The present invention relates to a two-step search procedure for D2D communication. A method for D2D communication includes: obtaining a discovery code and a multicast identifier to be used for transmitting additional information on an application program through a D2D multicast subframe, based on an identifier of an application program of a device; and broadcasting the discovery code and the multicast identifier in a discovery subframe.Type: GrantFiled: October 31, 2014Date of Patent: January 21, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Seung-Hoon Park, Hyun-Seok Ryu, Anil Agiwal, Young-Bin Chang, Kyung-Kyu Kim, Sang-Kyu Baek, Chi-Woo Lim
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Patent number: 10542469Abstract: The present disclosure relates to 5th generation (5G) or pre-5G communication systems for supporting higher data transfer rates, following the 4th generation (4G) communication systems, such as long term evolution (LTE). A method for supporting handover with multi-connectivity in a wireless communication system is provided. The method includes sending a measurement report message including information of at least one small base station (eNB) to a macro cell eNB, receiving information of a new small eNB in a target cell from the macro cell eNB based on the measurement report message, and performing a random access procedure with the new small eNB in the target cell based on handover.Type: GrantFiled: August 22, 2016Date of Patent: January 21, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-Jeong Kang, Sang-Wook Kwon, Kyung-Kyu Kim, Young-Joong Mok, Sang-Kyu Baek, Anil Agiwal, Young-Bin Chang, June Hwang
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Patent number: 10512010Abstract: The present disclosure relates to a 5G or pre-5G communication system that is to support higher data transmission rates after 4G communication systems such as LTE. A method, by a MeNB, for switching a SeNB communicating with a UE in a wireless communication system, provided in an embodiment of the present disclosure, includes receiving, from the UE, a measurement report (MR) of the at least two SeNB neighboring with the UE, determining whether predetermined switch criteria are satisfied based on the MR, and transmitting, to the UE and a first SeNB or a second SeNB, a switch message indicating switching of an SeNB cooperating with the MeNB for communication with the UE from the first SeNB to the second SeNB, based on whether the switch criteria are satisfied.Type: GrantFiled: August 22, 2016Date of Patent: December 17, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Anil Agiwal, June Hwang, Hyun-Jeong Kang, Young-Bin Chang, Sang-Wook Kwon, Kyung-Kyu Kim, Young-Joong Mok, Sang-Kyu Baek
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Patent number: 10454551Abstract: 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). A communication method and apparatus using beamforming are provided. The method includes acquiring transmission beam specific, measurement information of a base station (BS) and measuring a reference signal (RS) transmitted through transmission beams of the BS according to the transmission beam specific, measurement information. The measurement information on each transmission beam is determined according to at least one of an elevation angle of the corresponding transmission beam, an azimuth of the corresponding transmission beam, a handover urgency, information on a handover failure, and information on a radio link failure (RLF). A mobile station (MS) may perform a measurement report or a handover process according to a result of the measurement.Type: GrantFiled: March 22, 2017Date of Patent: October 22, 2019Assignee: Samsung Electronics, Co., Ltd.Inventors: Sang-Kyu Baek, Young-Bin Chang, Sang-Wook Kwon, Young-Joong Mok, June Hwang
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Publication number: 20190200401Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE. A method for communicating with user equipment (UE) by a base station is disclosed. The method comprises the steps of: identifying a type of one or more services required by the UE; notifying the UE of information on a configuration of a medium access control (MAC) layer and a physical (PHY) layer configured according to the identified type of one or more services; and communicating with the UE on the basis of the information on the configuration of the MAC layer and the PHY layer configured according to the identified type of one or more services.Type: ApplicationFiled: February 28, 2019Publication date: June 27, 2019Inventors: Young-Bin CHANG, Anil AGIWAL, Sang-Wook KWON, Hyun-Jeong KANG, Kyung-Kyu KIM, Young-Joong MOK, Sang-Kyu BAEK, June HWANG
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Patent number: 10305561Abstract: 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). A communication method and apparatus using beamforming are provided. The method includes acquiring transmission beam specific, measurement information of a base station (BS) and measuring a reference signal (RS) transmitted through transmission beams of the BS according to the transmission beam specific, measurement information. The measurement information on each transmission beam is determined according to at least one of an elevation angle of the corresponding transmission beam, an azimuth of the corresponding transmission beam, a handover urgency, information on a handover failure, and information on a radio link failure (RLF). A mobile station (MS) may perform a measurement report or a handover process according to a result of the measurement.Type: GrantFiled: November 25, 2015Date of Patent: May 28, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-Kyu Baek, Young-Bin Chang, Sang-Wook Kwon, Young-Joong Mok, June Hwang
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Patent number: 10285111Abstract: A method and an apparatus for direct communication between User Equipments (UEs) in a wireless communication system are provided. A method for communicating with a second UE by a first UE in the wireless communication system includes generating a discovery code used for communicating with the second UE, and transmitting the generated discovery code to one middle layer among a plurality of layers.Type: GrantFiled: May 14, 2014Date of Patent: May 7, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Young-Bin Chang, Kyung-Kyu Kim, Seung-Hoon Park, Sang-Kyu Baek
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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: 20180278297Abstract: A method of providing an optimal transmission or reception (Tx/Rx) beam in a beamforming system. The method includes receiving a reference signal and selecting an optimal Tx/Rx beam that guarantees an optimal channel environment based on the received reference signal determining a possibility of occurrence of a Tx/Rx beam mismatch between the selected optimal Tx/Rx beam and a Tx/Rx beam used for transmitting information on the selected optimal Tx/Rx beam; and when there is the possibility of the occurrence of the Tx/Rx beam mismatch, performing at least one of widening a beam width of the Tx/Rx beam, increasing a number of Tx/Rx beams, reducing a period of a beam selection operation for selecting the optimal Tx/Rx beam, and reducing a transmission period of the reference signal. Other embodiments including a beamforming system are also disclosed.Type: ApplicationFiled: June 1, 2018Publication date: September 27, 2018Inventors: Jung-Soo Jung, Hyun-Jeong Kang, Young-Bin Chang, Suk-Won Kim, Sang-Kyu Baek
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Patent number: 10075991Abstract: A method and apparatus for performing a state transition for Device to Device (D2D) communication are provided. The method includes determining whether D2D initiation is required, while a terminal is operating in a first or a second state defined by EPS (Enhanced Packet System) Mobility Management (EMM)-Deregistered and EPS Connection Management (ECM)-IDLE at a Non-Access Stratum (NAS) layer and Radio Resource Control (RRC)-IDLE. If the D2D initiation is required, the method includes transitioning to a third state defined by EMM-Registered and ECM/RRC-Connected and performing the D2D initiation through a mobile communication network. If a deactivation condition is satisfied or a D2D state update is completed in the third state, the method includes transitioning to a fourth state defined by EMM-Registered and ECM/RRC-IDLE, and if a state update or scheduling for D2D communication is required in the fourth state, the method includes transitioning to the third state.Type: GrantFiled: April 1, 2014Date of Patent: September 11, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung-Kyu Kim, Young-Bin Chang, Seung-Hoon Park, Sang-Kyu Baek, Sung-Jin Lee
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Publication number: 20180249388Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system, such as LTE. Disclosed is a method for receiving data in a wireless communication system, comprising the steps of: receiving, by a terminal, transmission point change information from a first base station connected to a gateway; receiving, by the terminal, the data transmitted from the gateway to the first base station through a second base station serving the terminal; and re-receiving, by the terminal, data, of which the transmission has failed, through a third base station according to a change of a transmission point from the second base station to the third base station on the basis of the transmission point change information, when data transmission from the second base station to the terminal has failed.Type: ApplicationFiled: August 22, 2016Publication date: August 30, 2018Inventors: Sang-Kyu BAEK, June HWANG, Hyun-Jeong KANG, Sang-Wook KWON, Anil AGIWAL, Kyung-Kyu KIM, Young-Joong MOK, Young-Bin CHANG
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Publication number: 20180249513Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE. A method for communicating with user equipment (UE) by a base station is disclosed. The method comprises the steps of: identifying a type of one or more services required by the UE; notifying the UE of information on a configuration of a medium access control (MAC) layer and a physical (PHY) layer configured according to the identified type of one or more services; and communicating with the UE on the basis of the information on the configuration of the MAC layer and the PHY layer configured according to the identified type of one or more services.Type: ApplicationFiled: August 30, 2016Publication date: August 30, 2018Inventors: Young-Bin CHANG, Anil AGIWAL, Sang-Wook KWON, Hyun-Jeong KANG, Kyung-Kyu KIM, Young-Joong MOK, Sang-Kyu BAEK, June HWANG
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Publication number: 20180249390Abstract: The present disclosure relates to a 5G or pre-5G communication system that is to support higher data transmission rates after 4G communication systems such as LTE. A method, by a MeNB, for switching a SeNB communicating with a UE in a wireless communication system, provided in an embodiment of the present disclosure, includes receiving, from the UE, a measurement report (MR) of the at least two SeNB neighboring with the UE, determining whether predetermined switch criteria are satisfied based on the MR, and transmitting, to the UE and a first SeNB or a second SeNB, a switch message indicating switching of an SeNB cooperating with the MeNB for communication with the UE from the first SeNB to the second SeNB, based on whether the switch criteria are satisfied.Type: ApplicationFiled: August 22, 2016Publication date: August 30, 2018Inventors: Anil AGIWAL, June HWANG, Hyun-Jeong KANG, Young-Bin CHANG, Sang-Wook KWON, Kyung-Kyu KIM, Young-Joong MOK, Sang-Kyu BAEK
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Publication number: 20180183022Abstract: A battery case from which a battery is easily separated and a remote controller including the same are provided. The battery case includes a body including a battery container and a pressing member installed in the battery container and configured to press the batteries in response to the batteries are being from the body.Type: ApplicationFiled: December 15, 2017Publication date: June 28, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jang-Won HAN, Eui Shik YOON, In Kyu BAEK
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Patent number: 10009949Abstract: A method and apparatus for performing a state transition for Device to Device (D2D) communication are provided. The method includes determining whether D2D initiation is required, while a terminal is operating in a first or a second state defined by EPS (Enhanced Packet System) Mobility Management (EMM)-Deregistered and EPS Connection Management (ECM)-IDLE at a Non-Access Stratum (NAS) layer and Radio Resource Control (RRC)-IDLE. If the D2D initiation is required, the method includes transitioning to a third state defined by EMM-Registered and ECM/RRC-Connected and performing the D2D initiation through a mobile communication network. If a deactivation condition is satisfied or a D2D state update is completed in the third state, the method includes transitioning to a fourth state defined by EMM-Registered and ECM/RRC-IDLE, and if a state update or scheduling for D2D communication is required in the fourth state, the method includes transitioning to the third state.Type: GrantFiled: March 29, 2017Date of Patent: June 26, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung-Kyu Kim, Young-Bin Chang, Seung-Hoon Park, Sang-Kyu Baek, Sung-Jin Lee
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Patent number: 10003386Abstract: A method of providing an optimal transmission or reception (Tx/Rx) beam in a beamforming system. The method includes receiving a reference signal and selecting an optimal Tx/Rx beam that guarantees an optimal channel environment based on the received reference signal determining a possibility of occurrence of a Tx/Rx beam mismatch between the selected optimal Tx/Rx beam and a Tx/Rx beam used for transmitting information on the selected optimal Tx/Rx beam; and when there is the possibility of the occurrence of the Tx/Rx beam mismatch, performing at least one of widening a beam width of the Tx/Rx beam, increasing a number of Tx/Rx beams, reducing a period of a beam selection operation for selecting the optimal Tx/Rx beam, and reducing a transmission period of the reference signal. Other embodiments including a beamforming system are also disclosed.Type: GrantFiled: April 30, 2014Date of Patent: June 19, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung-Soo Jung, Hyun-Jeong Kang, Young-Bin Chang, Suk-Won Kim, Sang-Kyu Baek
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Patent number: 9794950Abstract: A method for allocating resources for Device-to-Device (D2D) communication in a transmitting terminal is provided. The method includes receiving broadcast resource allocation information for the D2D communication from a Base Station (BS), and measuring a channel quality of a downlink signal received from the BS and, if the measured channel quality is smaller than a predetermined threshold, conducting the D2D communication using the resource allocation information.Type: GrantFiled: June 13, 2014Date of Patent: October 17, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-Seok Ryu, Seung-Hoon Park, Chi-Woo Lim, Young-Bin Chang, Anil Agiwal, Kyung-Kyu Kim, Dae-Gyun Kim, Young-Joong Mok, Sang-Kyu Baek
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Patent number: 9730187Abstract: An apparatus is configured to perform a method for performing distributed scheduling by a reception device configuring a target link corresponding to one of a plurality of links in a network in which the plurality of links for device to device communication exist. The method includes adding up resource allocation demand amounts included in resource information broadcasted by a counterpart device configuring the target link and one or more adjacent transmission devices by a preset Resource Unit (RU), and adjusting self resource information in consideration of resource position information included in the broadcasted resource information and the added resource allocation demand amount and transmitting the adjusted self resource information to the counterpart transmission device.Type: GrantFiled: July 14, 2014Date of Patent: August 8, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung-Hoon Park, Kyung-Kyu Kim, Dae-Gyun Kim, Hyun-Seok Ryu, Young-Joong Mok, Sang-Kyu Baek, Chi-Woo Lim, Young-Bin Chang
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Publication number: 20170215117Abstract: An apparatus and a method for a handover in a communication system using beamforming are provided. The method includes the operations of receiving handover information from a serving base station, measuring, on the basis of beam scanning, a first reference signal transmitted from the serving base station and a second reference signal transmitted from a target base station, if the result of the measurement satisfies handover conditions, transmitting the result of the measurement to the serving base station, and receiving, on the basis of the handover information, a handover permission message from the target base station.Type: ApplicationFiled: April 7, 2016Publication date: July 27, 2017Inventors: Sang-Wook KWON, Sang-Kyu BAEK, Young-Bin CHANG, Hyun-Jeong KANG
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Publication number: 20170207828Abstract: A method of providing an optimal transmission or reception (Tx/Rx) beam in a beamforming system. The method includes receiving a reference signal and selecting an optimal Tx/Rx beam that guarantees an optimal channel environment based on the received reference signal determining a possibility of occurrence of a Tx/Rx beam mismatch between the selected optimal Tx/Rx beam and a Tx/Rx beam used for transmitting information on the selected optimal Tx/Rx beam; and when there is the possibility of the occurrence of the Tx/Rx beam mismatch, performing at least one of widening a beam width of the Tx/Rx beam, increasing a number of Tx/Rx beams, reducing a period of a beam selection operation for selecting the optimal Tx/Rx beam, and reducing a transmission period of the reference signal. Other embodiments including a beamforming system are also disclosed.Type: ApplicationFiled: April 4, 2017Publication date: July 20, 2017Inventors: Jung-Soo Jung, Hyun-Jeong Kang, Young-Bin Chang, Suk-Won Kim, Sang-Kyu Baek