Patents by Inventor Ja Ho Koo
Ja Ho Koo 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: 20240075322Abstract: Disclosed are a focused ultrasound device and an image transducer protection method. The focused ultrasound device according to an embodiment comprises: an ultrasound probe structure including a treatment transducer for transmitting a focused ultrasound signal and an image transducer for transmitting and receiving an ultrasonic image signal; a reception switch for selecting a plurality of first elements among elements of the image transducer as protection areas and deactivating same, and selecting a plurality of second other elements among the elements of the image transducer as reception areas and activating same; an image beamformer for forming a reception beam signal by focusing ultrasonic echo signals received from the plurality of second elements; an image generation unit for generating an image for a target area in an object on the basis of the reception beam signal; and a control unit for controlling the selection of the protection areas and reception areas by means of a reception switch.Type: ApplicationFiled: December 2, 2022Publication date: March 7, 2024Applicant: IMGT CO., LTD.Inventors: Keon Ho SON, Dae Seung KIM, Ja Woon KOO
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Patent number: 11700099Abstract: A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state for each of a plurality of antennas to the selected at least one OFDM symbol; and transmitting the CQI RS, wherein the CQI RS is allocated to an OFDM symbol which does not overlap with an OFDM symbol to which a common reference signal to be transmitted to all user equipments in a cell or a dedicated reference signal to be transmitted to a specific user equipment in the cell is allocated.Type: GrantFiled: November 2, 2022Date of Patent: July 11, 2023Assignee: LG Electronics Inc.Inventors: Hyun Soo Ko, Seung Hee Han, Ja Ho Koo, Jae Hoon Chung, Bin Chul Ihm, Moon Il Lee
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Patent number: 11616621Abstract: A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state for each of a plurality of antennas to the selected at least one OFDM symbol; and transmitting the CQI RS, wherein the CQI RS is allocated to an OFDM symbol which does not overlap with an OFDM symbol to which a common reference signal to be transmitted to all user equipments in a cell or a dedicated reference signal to be transmitted to a specific user equipment in the cell is allocated.Type: GrantFiled: November 16, 2021Date of Patent: March 28, 2023Assignee: LG Electronics Inc.Inventors: Hyun Soo Ko, Seung Hee Han, Ja Ho Koo, Jae Hoon Chung, Bin Chul Ihm, Moon Il Lee
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Publication number: 20230046681Abstract: A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state for each of a plurality of antennas to the selected at least one OFDM symbol; and transmitting the CQI RS, wherein the CQI RS is allocated to an OFDM symbol which does not overlap with an OFDM symbol to which a common reference signal to be transmitted to all user equipments in a cell or a dedicated reference signal to be transmitted to a specific user equipment in the cell is allocated.Type: ApplicationFiled: November 2, 2022Publication date: February 16, 2023Inventors: Hyun Soo KO, Seung Hee HAN, Ja Ho KOO, Jae Hoon CHUNG, Bin Chul IHM, Moon Il LEE
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Publication number: 20220077898Abstract: A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state for each of a plurality of antennas to the selected at least one OFDM symbol; and transmitting the CQI RS, wherein the CQI RS is allocated to an OFDM symbol which does not overlap with an OFDM symbol to which a common reference signal to be transmitted to all user equipments in a cell or a dedicated reference signal to be transmitted to a specific user equipment in the cell is allocated.Type: ApplicationFiled: November 16, 2021Publication date: March 10, 2022Inventors: Hyun Soo KO, Seung Hee HAN, Ja Ho KOO, Jae Hoon CHUNG, Bin Chul IHM, Moon Il LEE
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Patent number: 11218194Abstract: A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state for each of a plurality of antennas to the selected at least one OFDM symbol; and transmitting the CQI RS, wherein the CQI RS is allocated to an OFDM symbol which does not overlap with an OFDM symbol to which a common reference signal to be transmitted to all user equipments in a cell or a dedicated reference signal to be transmitted to a specific user equipment in the cell is allocated.Type: GrantFiled: January 28, 2020Date of Patent: January 4, 2022Assignee: LG ELECTRONICS INC.Inventors: Hyun Soo Ko, Seung Hee Han, Ja Ho Koo, Jae Hoon Chung, Bin Chul Ihm, Moon Il Lee
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Patent number: 11005627Abstract: A method of transmitting a reference signal by a base station in a wireless communication system is provided. The method includes: generating a plurality of reference signals for channel measurement, wherein the plurality of reference signals for channel measurement are different types; and transmitting the plurality of reference signals for channel measurement, wherein the plurality of reference signals for channel measurement are transmitted using one or more subframes as a duty cycle.Type: GrantFiled: August 2, 2019Date of Patent: May 11, 2021Assignee: LG ELECTRONICS INC.Inventors: Moon Il Lee, Ja Ho Koo, Jae Hoon Chung, Bin Chul Ihm, Hyun Soo Ko
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Publication number: 20200169302Abstract: A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state for each of a plurality of antennas to the selected at least one OFDM symbol; and transmitting the CQI RS, wherein the CQI RS is allocated to an OFDM symbol which does not overlap with an OFDM symbol to which a common reference signal to be transmitted to all user equipments in a cell or a dedicated reference signal to be transmitted to a specific user equipment in the cell is allocated.Type: ApplicationFiled: January 28, 2020Publication date: May 28, 2020Applicant: LG ELECTRONICS INC.Inventors: Hyun Soo KO, Seung Hee HAN, Ja Ho KOO, Jae Hoon CHUNG, Bin Chul IHM, Moon Il LEE
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Patent number: 10587314Abstract: A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state for each of a plurality of antennas to the selected at least one OFDM symbol; and transmitting the CQI RS, wherein the CQI RS is allocated to an OFDM symbol which does not overlap with an OFDM symbol to which a common reference signal to be transmitted to all user equipments in a cell or a dedicated reference signal to be transmitted to a specific user equipment in the cell is allocated.Type: GrantFiled: July 12, 2018Date of Patent: March 10, 2020Assignee: LG ELECTRONICS INC.Inventors: Hyun Soo Ko, Seung Hee Han, Ja Ho Koo, Jae Hoon Chung, Bin Chul Ihm, Moon Il Lee
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Publication number: 20190356433Abstract: A method of transmitting a reference signal by a base station in a wireless communication system is provided. The method includes: generating a plurality of reference signals for channel measurement, wherein the plurality of reference signals for channel measurement are different types; and transmitting the plurality of reference signals for channel measurement, wherein the plurality of reference signals for channel measurement are transmitted using one or more subframes as a duty cycle.Type: ApplicationFiled: August 2, 2019Publication date: November 21, 2019Applicant: LG ELECTRONICS INC.Inventors: Moon Il LEE, Ja Ho KOO, Jae Hoon CHUNG, Bin Chul IHM, Hyun Soo KO
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Patent number: 10419184Abstract: A method of transmitting a reference signal by a base station in a wireless communication system is provided. The method includes: generating a plurality of reference signals for channel measurement, wherein the plurality of reference signals for channel measurement are different types; and transmitting the plurality of reference signals for channel measurement, wherein the plurality of reference signals for channel measurement are transmitted using one or more subframes as a duty cycle.Type: GrantFiled: January 14, 2019Date of Patent: September 17, 2019Assignee: LG ELECTRONICS INC.Inventors: Moon Il Lee, Ja Ho Koo, Jae Hoon Chung, Bin Chul Ihm, Hyun Soo Ko
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Publication number: 20190165903Abstract: A method of transmitting a reference signal by a base station in a wireless communication system is provided. The method includes: generating a plurality of reference signals for channel measurement, wherein the plurality of reference signals for channel measurement are different types; and transmitting the plurality of reference signals for channel measurement, wherein the plurality of reference signals for channel measurement are transmitted using one or more subframes as a duty cycle.Type: ApplicationFiled: January 14, 2019Publication date: May 30, 2019Applicant: LG ELECTRONICS INC.Inventors: Moon Il LEE, Ja Ho KOO, Jae Hoon CHUNG, Bin Chul IHM, Hyun Soo KO
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Patent number: 10218481Abstract: A method of transmitting a reference signal by a base station in a wireless communication system is provided. The method includes: generating a plurality of reference signals for channel measurement, wherein the plurality of reference signals for channel measurement are different types; and transmitting the plurality of reference signals for channel measurement, wherein the plurality of reference signals for channel measurement are transmitted using one or more subframes as a duty cycle.Type: GrantFiled: June 26, 2015Date of Patent: February 26, 2019Assignee: LG ELECTRONICS INC.Inventors: Moon Il Lee, Ja Ho Koo, Jae Hoon Chung, Bin Chul Ihm, Hyun Soo Ko
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Publication number: 20180337712Abstract: A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state for each of a plurality of antennas to the selected at least one OFDM symbol; and transmitting the CQI RS, wherein the CQI RS is allocated to an OFDM symbol which does not overlap with an OFDM symbol to which a common reference signal to be transmitted to all user equipments in a cell or a dedicated reference signal to be transmitted to a specific user equipment in the cell is allocated.Type: ApplicationFiled: July 12, 2018Publication date: November 22, 2018Applicant: LG ELECTRONICS INC.Inventors: Hyun Soo KO, Seung Hee HAN, Ja Ho KOO, Jae Hoon CHUNG, Bin Chul IHM, Moon Il LEE
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Patent number: 10038478Abstract: A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state for each of a plurality of antennas to the selected at least one OFDM symbol; and transmitting the CQI RS, wherein the CQI RS is allocated to an OFDM symbol which does not overlap with an OFDM symbol to which a common reference signal to be transmitted to all user equipments in a cell or a dedicated reference signal to be transmitted to a specific user equipment in the cell is allocated.Type: GrantFiled: December 29, 2015Date of Patent: July 31, 2018Assignee: LG ELECTRONICS INC.Inventors: Hyun Soo Ko, Seung Hee Han, Ja Ho Koo, Jae Hoon Chung, Bin Chul Ihm, Moon Il Lee
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Patent number: 9906341Abstract: A method of generating reference signals by a base station in a wireless communication system is disclosed. The method including a sequence of a first reference signal using a cell identifier of the base station, transmitting, to a first user equipment (UE), a message including mode information indicating a first mode for a coordinated multi-point (CoMP) operation and a predetermined identifier being different from the cell identifier of the base station and generating a sequence of a second reference signal for the first UE using the predetermined identifier instead of the cell identifier of the base station.Type: GrantFiled: May 27, 2016Date of Patent: February 27, 2018Assignee: LG Electronics Inc.Inventors: Ja Ho Koo, Seung Hee Han, Hyun Soo Ko, Jae Hoon Chung, Bin Chul Ihm, Moon Il Lee
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Patent number: 9788312Abstract: A method and apparatus for transmitting a downlink signal in a multiple input multiple output (MIMO) wireless communication system is disclosed. A method for receiving a downlink signal from a base station to a user equipment in a multiple input multiple output (MIMO) system, which supports dual layer transmission based on first and second antenna ports, comprises receiving downlink control information (DCI) through a downlink control channel; and receiving downlink data through a downlink data channel, the downlink data including one or more of a first transport block and a second transport block, wherein the downlink control information includes a new data indicator (NDI) for each of the first and second transport blocks, and if the first transport block is disabled and the second transport block is enabled, the new data indicator for the first transport block indicates an antenna port through which the second transport block is received.Type: GrantFiled: July 14, 2015Date of Patent: October 10, 2017Assignee: LG ELECTRONICS INC.Inventors: Hyun Soo Ko, Moon Il Lee, Ja Ho Koo, Jae Hoon Chung, Bin Chul Ihm
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Patent number: 9729218Abstract: A method and apparatus for transmitting a signal in a wireless communication system are provided. The method includes: generating R spatial streams each of which is generated on the basis of an information stream and a reference signal; generating N transmit streams on the basis of the R spatial streams and a precoding matrix (where R<N); mapping the N transmit streams to at least one resource block; and generating N signals from the N transmit streams mapped to the at least one resource block, and the transmitting the N signals to a user equipment through respective antennas.Type: GrantFiled: November 18, 2016Date of Patent: August 8, 2017Assignee: LG ELECTRONICS INC.Inventors: Moon Il Lee, Wook Bong Lee, Ja Ho Koo, Hyun Soo Ko, Jae Hoon Chung, Bin Chul Ihm
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Patent number: 9641293Abstract: A method of transmitting, by a transmitter, information in a wireless communication system, the method includes generating first and second symbols; generating first and second transmit vectors on the basis of an Alamouti code from the first and second symbols; and transmitting the first transmit vector through a first antenna and transmitting the second transmit vector through a second antenna. The first transmit vector consists of a first transmit symbol and a second transmit symbol. The second transmit vector consists of a third transmit symbol and a fourth transmit symbol. The first, second, third, and fourth transmit symbols are transmitted based on first and second resource indexes. The first symbol is a first modulation symbol for first information, and the second symbol is a second modulation symbol for second information.Type: GrantFiled: November 10, 2016Date of Patent: May 2, 2017Assignee: LG ELECTRONICS INC.Inventors: Seung Hee Han, Moon II Lee, Yeong Hyeon Kwon, Hyun Soo Ko, Ja Ho Koo, Dong Cheol Kim, Jae Hoon Chung, Sung Ho Moon, Jin Sam Kwak, Min Seok Noh, Hyun Woo Lee
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Publication number: 20170070273Abstract: A method and apparatus for transmitting a signal in a wireless communication system are provided. The method includes: generating R spatial streams each of which is generated on the basis of an information stream and a reference signal; generating N transmit streams on the basis of the R spatial streams and a precoding matrix (where R<N); mapping the N transmit streams to at least one resource block; and generating N signals from the N transmit streams mapped to the at least one resource block, and the transmitting the N signals to a user equipment through respective antennas.Type: ApplicationFiled: November 18, 2016Publication date: March 9, 2017Applicant: LG ELECTRONICS INC.Inventors: Moon Il LEE, Wook Bong LEE, Ja Ho KOO, Hyun Soo KO, Jae Hoon CHUNG, Bin Chul IHM