Patents by Inventor Tae-Gyun Noh
Tae-Gyun Noh 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: 20220183016Abstract: Disclosed is a wireless communication system using multiple transmission and reception points. In a wireless communication system having a first transmission and reception point and at least one second transmission and reception point belonging to the same cell, the first transmission and reception point has a wider transmission area than the at least one second transmission and reception point, and the first transmission and reception point and the at least one second transmission and reception point generate downlink transmission signals by using the same physical layer cell ID or virtual cell IDs allocated to each terminal, and then the terminals generate uplink transmission signals by using the allocated virtual cell IDs.Type: ApplicationFiled: February 27, 2022Publication date: June 9, 2022Applicant: Electronics and Telecommunications Research InstituteInventors: Young-Jo KO, Tae-Gyun NOH, Hee-Soo LEE, Bang-Won SEO, Jae-Young AHN
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Patent number: 11323164Abstract: An operation method of a first AN for a hybrid beamforming-based cooperative transmission in a C-RAN includes obtaining a spatial channel covariance with terminals subject to a service; selecting a set of terminals to be serviced from among the terminals subject to the service; determining a radio frequency (RF) precoding matrix by which interference between the terminals to be serviced is minimized; transferring information on the determined RF precoding matrix to a centralized processor (CP); and generating an effective channel by configuring an RF precoder based on the determined RF precoding matrix.Type: GrantFiled: October 13, 2020Date of Patent: May 3, 2022Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seung Eun Hong, In Kyeong Choi, Tae Gyun Noh
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Patent number: 11284406Abstract: Disclosed is a wireless communication system using multiple transmission and reception points. In a wireless communication system having a first transmission and reception point and at least one second transmission and reception point belonging to the same cell, the first transmission and reception point has a wider transmission area than the at least one second transmission and reception point, and the first transmission and reception point and the at least one second transmission and reception point generate downlink transmission signals by using the same physical layer cell ID or virtual cell IDs allocated to each terminal, and then the terminals generate uplink transmission signals by using the allocated virtual cell IDs.Type: GrantFiled: March 29, 2019Date of Patent: March 22, 2022Assignee: Electronics and Telecommunications Research InstituteInventors: Young-Jo Ko, Tae-Gyun Noh, Hee-Soo Lee, Bang-Won Seo, Jae-Young Ahn
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Patent number: 11224036Abstract: The method for transmitting control information in a mobile communication system includes: determining a control channel resource for transmitting control information by means of the data channel region; and transmitting the control information using the determined control channel resource. A capacity for control information, which increases for multiple user multiple-input multiple-out (MIMOs) in a heterogeneous network environment, for heterogeneous network interference control using carrier aggregation, for frequent use of a multicast-broadcast single frequency network (MBSFN) subframe, and for a CoMP transmission control, may be satisfied. Further, an adaptive resource allocation based on a requested capacity for control information may be enabled, and the efficient utilization of resources may also be enabled.Type: GrantFiled: October 22, 2019Date of Patent: January 11, 2022Assignee: Electronics and Telecommunications Research InstituteInventors: Bang-Won Seo, Young-Jo Ko, Tae-Gyun Noh, Jae-Young Ahn
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Publication number: 20210344002Abstract: The present invention provides a lithium secondary battery which includes a positive electrode including a first lithium cobalt oxide and a second lithium cobalt oxide which have different average particle diameters (D50) from each other, a negative electrode including first graphite and second graphite which have different average particle diameters (D50) from each other, and an electrolyte including a first additive as a nitrile-based compound, wherein the first lithium cobalt oxide and the second lithium cobalt oxide each independently contain aluminum in a concentration of 2,500 ppm to 4,000 ppm.Type: ApplicationFiled: January 23, 2020Publication date: November 4, 2021Applicant: LG Chem, Ltd.Inventors: Do Hwa Jung, Tae Gyun Noh, Ki Woong Kim, Woo Sirl Lee, Yoon Jae Lee, Jung Whan Song
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Publication number: 20210306989Abstract: The method for transmitting control information in a mobile communication system includes: determining a control channel resource for transmitting control information by means of the data channel region; and transmitting the control information using the determined control channel resource. A capacity for control information, which increases for multiple user multiple-input multiple-out (MIMOs) in a heterogeneous network environment, for heterogeneous network interference control using carrier aggregation, for frequent use of a multicast-broadcast single frequency network (MBSFN) subframe, and for a CoMP transmission control, may be satisfied. Further, an adaptive resource allocation based on a requested capacity for control information may be enabled, and the efficient utilization of resources may also be enabled.Type: ApplicationFiled: June 14, 2021Publication date: September 30, 2021Applicant: Electronics and Telecommunications Research InstituteInventors: Bang-Won Seo, Young-Jo Ko, Tae-Gyun Noh, Jae-Young Ahn
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Publication number: 20210234224Abstract: A battery cell storage case according to the present invention may comprise: a case in which battery cells are stored; and a discharge unit which is electrically connected to the case, is disposed outside the case, and discharges the battery cells, wherein the case comprises: an upper case which has a hollow structure and is open on one side thereof; and a lower case which has a hollow structure and is open on the side facing the open portion of the upper case.Type: ApplicationFiled: November 28, 2019Publication date: July 29, 2021Applicant: LG CHEM, LTD.Inventors: Tae Gyun NOH, Ki Woong KIM, Yoon Jae LEE
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Publication number: 20210226753Abstract: A reference signal (RS) transmission system to transmit a channel state information (CSI) RS for extraction of CSI to a relay and a macro terminal is disclosed. The base station transmits information on a sub frame containing the CSI RS to the relay or the macro terminal. The macro terminal and the relay receive the CSI RS using the information on the sub frame. The macro terminal and the relay extract the CSI using the CSI RS and transmit the extracted CSI to the base station.Type: ApplicationFiled: April 8, 2021Publication date: July 22, 2021Applicant: Electronics and Telecommunications Research InstituteInventors: Hee Soo LEE, Tae Gyun NOH, Jae Young AHN, Kyoung Seok LEE, Young Jo KO
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Patent number: 11038559Abstract: Disclosed are methods for transmitting and receiving beamforming-based signals in a communication system. An operation method of a terminal may comprise transmitting capability information of the terminal to an AN; receiving first configuration information of a network cluster configured based on the capability information from the AN; transmitting an SRS in a beamforming scheme through resources indicated by the first configuration information; receiving second configuration information of a user cluster configured based on a measurement result of the SRS from the AN; and performing cooperative communication with ANs belonging to the user cluster, which are indicated by the second configuration information. Accordingly, the performance of the communication system can be improved.Type: GrantFiled: November 21, 2019Date of Patent: June 15, 2021Assignee: Electronics and Telecommunications Research InstituteInventors: Min Hyun Kim, Tae Gyun Noh, In Kyeong Choi, Seung Eun Hong
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Patent number: 11039431Abstract: The method for transmitting control information in a mobile communication system includes: determining a control channel resource for transmitting control information by means of the data channel region; and transmitting the control information using the determined control channel resource. A capacity for control information, which increases for multiple user multiple-input multiple-out (MIMOs) in a heterogeneous network environment, for heterogeneous network interference control using carrier aggregation, for frequent use of a multicast-broadcast single frequency network (MBSFN) subframe, and for a CoMP transmission control, may be satisfied. Further, an adaptive resource allocation based on a requested capacity for control information may be enabled, and the efficient utilization of resources may also be enabled.Type: GrantFiled: October 22, 2019Date of Patent: June 15, 2021Assignee: Electronics and Telecommunications Research InstituteInventors: Bang-Won Seo, Young-Jo Ko, Tae-Gyun Noh, Jae-Young Ahn
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Publication number: 20210160823Abstract: A resource management method performed by a CP in C-RAN system includes configuring M user-centric cells for M terminals with a plurality of ANs, and determining a number K of orthogonal resource sharing groups sharing a same orthogonal resource; selecting K user-centric cells as group headers for the K orthogonal resource sharing groups, and adding the selected K user-centric cells as group headers to the K orthogonal resource sharing groups; configuring the K orthogonal resource sharing groups by sequentially adding ungrouped user-centric cells to the K orthogonal resource sharing groups; and dividing total system resources into K orthogonal resources, and mapping the divided K orthogonal resources to the K orthogonal resource sharing groups, respectively.Type: ApplicationFiled: November 12, 2020Publication date: May 27, 2021Inventors: Seung Kwon CHO, Kyoung Seok LEE, Soo Jung JUNG, Tae Gyun NOH
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Publication number: 20210135736Abstract: A method for transmitting and receiving signals, performed by a terminal, in a C-RAN environment, includes sequentially transmitting fixed beams; receiving, from at least one first TRP determined as TRP(s) performing signal transmission and reception with the terminal among the plurality of TRPs, control information including information on whether to transmit a reference signal for reception of downlink data and an index of a transmission beam selected for uplink transmission; and receiving the downlink data from the at least one first TRP, and demodulating the downlink data by using a reception beam weight derived from a weight used for transmission of the fixed beams or by using the reference signal.Type: ApplicationFiled: October 28, 2020Publication date: May 6, 2021Inventors: Yu Ro LEE, Jae Woo PARK, Chang Wahn YU, Tae Gyun NOH
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Publication number: 20210126682Abstract: An operation method of a first AN for a hybrid beamforming-based cooperative transmission in a C-RAN includes obtaining a spatial channel covariance with terminals subject to a service; selecting a set of terminals to be serviced from among the terminals subject to the service; determining a radio frequency (RF) precoding matrix by which interference between the terminals to be serviced is minimized; transferring information on the determined RF precoding matrix to a centralized processor (CP); and generating an effective channel by configuring an RF precoder based on the determined RF precoding matrix.Type: ApplicationFiled: October 13, 2020Publication date: April 29, 2021Inventors: Seung Eun HONG, In Kyeong CHOI, Tae Gyun NOH
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Publication number: 20210119755Abstract: Provided is a data transmission system using a carrier aggregation. The data transmission system may assign a radio resource based on a correspondence relationship between a downlink and an uplink, and may transmit data using the assigned radio resource.Type: ApplicationFiled: December 3, 2020Publication date: April 22, 2021Applicant: Electronics and Telecommunications Research InstituteInventors: Young Jo KO, Tae Gyun NOH, Kyoung Seok LEE, Bang Won SEO, Byung Jang JEONG, Heesoo LEE
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Patent number: 10979185Abstract: A reference signal (RS) transmission system to transmit a channel state information (CSI) RS for extraction of CSI to a relay and a macro terminal is disclosed. The base station transmits information on a sub frame containing the CSI RS to the relay or the macro terminal. The macro terminal and the relay receive the CSI RS using the information on the sub frame. The macro terminal and the relay extract the CSI using the CSI RS and transmit the extracted CSI to the base station.Type: GrantFiled: September 19, 2011Date of Patent: April 13, 2021Assignee: Electronics and Telecommunications Research InstituteInventors: Hee Soo Lee, Tae Gyun Noh, Jae Young Ahn, Kyoung Seok Lee, Young Jo Ko
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Publication number: 20210092726Abstract: A method of transmitting and receiving a control channel in a wireless communication system is provided. A base station allocates a data channel to a radio resource, adds start position information of the data channel into a payload of a control channel, and performs signaling for indication information on the start position information added into the payload of the control channel to a terminal. Accordingly, the legacy system and the enhanced system can efficiently transmit a control channel.Type: ApplicationFiled: December 3, 2020Publication date: March 25, 2021Applicant: Electronics and Telecommunications Research InstituteInventors: Tae Gyun NOH, Young Jo KO, Bang Won SEO, Jae Young AHN
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Publication number: 20210092680Abstract: A method for reducing power consumption of a terminal that communicates with a base station in a mobile communication system using a multi-carrier structure composed of a primary component carrier and at least one secondary component carrier comprises: receiving a discontinuous reception (DRX) parameter group for multi carriers from the base station; and setting the multi carriers to the same parameter value, by using the received parameter group. The method for reducing power consumption of the terminal further comprises: performing a downlink control channel receive operation on each carrier according to a DRX cycle. As the base station in the mobile communication system using the multi-carrier structure simplifies the DRX process for reducing power consumption of a terminal by reducing signaling load for the multi-carrier control of the terminal, it becomes possible to reduce power consumption of the terminal.Type: ApplicationFiled: December 3, 2020Publication date: March 25, 2021Applicant: Electronics and Telecommunications Research InstituteInventors: Kyoung Seok LEE, Jae Heung KIM, Tae Gyun NOH
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Patent number: 10938534Abstract: Provided is a data transmission system using a carrier aggregation. The data transmission system may assign a radio resource based on a correspondence relationship between a downlink and an uplink, and may transmit data using the assigned radio resource.Type: GrantFiled: August 29, 2018Date of Patent: March 2, 2021Assignee: Electronics and Telecommunications Research InstituteInventors: Young Jo Ko, Tae Gyun Noh, Kyoung Seok Lee, Bang Won Seo, Byung Jang Jeong, Heesoo Lee
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Patent number: RE48717Abstract: A type 1 system and a type 2 system are classified according to whether carrier aggregation is used. A shared component carrier is used for both a type 1 terminal and a type 2 terminal, whereas a dedicated component carrier is used only for the type 2 terminal. Also, a type 2 base station transmits broadcast information by using a shared component carrier. In this instance, the broadcast information includes the shared broadcast information used for both the type 1 terminal and the type 2 terminal and the dedicated broadcast information only for the type 2 terminal. Also, the type 2 base station indicates component carriers that are used by the type 2 terminal, by using a semi-static component carrier indicator or a dynamic component carrier indicator.Type: GrantFiled: July 16, 2015Date of Patent: August 31, 2021Assignee: Electronics and Telecommunications Research InstituteInventors: Tae Gyun Noh, Kyoung-Seok Lee, Jae Young Ahn
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Patent number: RE48881Abstract: Provided are an uplink transmission method and downlink transmission method in a mobile communication network including a relay. In the uplink and downlink transmission methods, frame structures and transmission timings of a backhaul downlink and a backhaul uplink are determined in consideration of at least one of a time for the relay to switch between transmission and reception and a signal transmission time. Accordingly, in a wireless communication system including a relay, it is possible to effectively perform data transmission and reception between the relay and a base station.Type: GrantFiled: January 11, 2017Date of Patent: January 4, 2022Assignee: Electronics and Telecommunications Research InstituteInventors: Tae Gyun Noh, Jae Young Ahn, Hee Soo Lee, Kyoung Seok Lee