Patents by Inventor Sangrim LEE

Sangrim LEE 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).

  • Patent number: 10746842
    Abstract: A method for transmitting information for position measurement by a terminal in a wireless communication system. The method for transmitting information for position measurement by a terminal may include the steps of: receiving a reference signal from a base station; and transmitting information for position measurement to the base station on the basis of the reference signal. The information for the position measurement may be information related to a phase difference of arrival (PDOA). The terminal is capable of communicating with at least one of another terminal, a terminal related to an autonomous driving vehicle, the base station or a network.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: August 18, 2020
    Assignee: LG Electronics Inc.
    Inventors: Myeongjin Kim, Sangrim Lee, Hojae Lee, Dongkyu Kim
  • Publication number: 20200259554
    Abstract: A communication device for performing magnetic interference cancellation comprises: a baseband unit including a first transmission chain and a second transmission chain; a first distributed radio unit (RU) connected to the first transmission chain and set to a transmit (Tx) mode; and a second distributed RU connected to the second transmission chain and set to a receive (Rx) mode, wherein the baseband unit includes a phase correction unit, connected to the first transmission chain and the second transmission chain, for performing phase correction for the magnetic interference cancellation on a signal transmitted from the first transmission chain, and the second transmission chain is configured to transmit a signal output from the phase correction unit to the second distributed RU, the second distributed RU uses a signal that was output from the phase correction unit and has passed through the second transmission.
    Type: Application
    Filed: November 13, 2017
    Publication date: August 13, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Dongkyu KIM, Ilmu BYUN, Sangrim LEE
  • Patent number: 10736134
    Abstract: Techniques for a user equipment to perform uplink communication in a wireless communication system. The user equipment performs operations that include: receiving configuration information for a codebook set related with a modulation scheme; receiving a UL grant including a specific codeword index; selecting a codebook based on the specific codeword index included in the codebook set; and transmitting data based on the selected codebook, wherein the codebook set includes a plurality of codebooks predefined for non-orthogonal coded multiple access (NCMA) scheme based communication, and wherein the codebook set is configured based on a spreading factor or an overloading factor.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: August 4, 2020
    Assignee: LG Electronics Inc.
    Inventors: Hojae Lee, Sangrim Lee, Dongkyu Kim, Kwangseok Noh
  • Patent number: 10736138
    Abstract: A method for performing a contention-based non-orthogonal multiple access in a wireless communication system comprises the steps of: selecting a corresponding group from among a plurality of groups for the non-orthogonal multiple access on the basis of a service class of an upper layer; selecting one of a plurality of reference signal sequences and transmitting a reference signal to which the selected reference signal sequence is applied, in a reference signal resource allocated to the selected corresponding group; and transmitting encoded data to which the repetition frequency, corresponding to the selected corresponding group, or a target bit rate is applied.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: August 4, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hojae Lee, Sangrim Lee, Dongkyu Kim, Kwangseok Noh, Myeongjin Kim
  • Publication number: 20200244319
    Abstract: A method for transmitting feedback information by a terminal may comprise the steps of: receiving, from a base station, information on a feedback group allocated to the terminal in a predefined feedback table; selecting a first feedback index in the allocated feedback group; and transmitting feedback information including the selected first feedback index to the base station, wherein the feedback table includes a plurality of feedback groups, the plurality of feedback groups in the feedback table include predetermined number of feedback indices, respectively, and the plurality of feedback groups in the feedback table have differently configured quantization level resolutions for the feedback information, respectively.
    Type: Application
    Filed: October 17, 2018
    Publication date: July 30, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Hojae LEE, Gwanmo KU, Sangrim LEE
  • Publication number: 20200236505
    Abstract: The present invention provides a method for reducing a wireless positioning error by a target node in a multi-node system. Specifically, the method comprises the steps of: receiving information on the positions of anchor nodes from the anchor nodes, respectively; performing ranging of each of the anchor nodes; and when the target node is in a first state, transmitting information on the position of the target node to neighboring nodes except for each of the anchor nodes. The target node is capable of communicating with at least one of another target node, a target node related to an autonomous driving vehicle, a base station or a network.
    Type: Application
    Filed: September 28, 2018
    Publication date: July 23, 2020
    Inventors: Woonghee Lee, Sangrim Lee, Hojae Lee
  • Publication number: 20200236495
    Abstract: A method for transmitting, by a user equipment, reports for range estimation may comprise the steps of: receiving a signal from each of a plurality of beams of a base station; calculating a time delay or a phase difference of a signal for each of the plurality of beams; and reporting, to the base station, beam index information indicating a corresponding beam with the smallest time delay or the smallest phase difference on the basis of the calculation. The user equipment is capable of communicating with at least one of another user equipment, a user equipment related to an auton-omous driving vehicle, a base station or a network.
    Type: Application
    Filed: September 27, 2018
    Publication date: July 23, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Sangrim LEE, Hojae LEE
  • Patent number: 10707990
    Abstract: The present invention relates to a method for performing channel encoding by a transmitting end in a wireless communication system. Particularly, the method comprises the steps of: transmitting, to a receiving end, a configuration indicating a plurality of channel coding configurations; performing channel encoding using a first channel coding configuration among the plurality of channel coding configurations; and performing reconfiguration from the first channel coding configuration to a second channel coding configuration according to a change in system requirements, wherein the plurality of channel coding configurations comprise channel coding configurations, each comprising at least one channel code concatenated differently according to the system requirements.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: July 7, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Kwangseok Noh, Hyunsoo Ko, Dongkyu Kim, Sangrim Lee, Hojae Lee
  • Publication number: 20200213054
    Abstract: Disclosed is a method for uplink transmission and reception in a wireless communication system and an apparatus therefor. Particularly, a method for performing uplink transmission by a user equipment (UE) in a wireless communication system includes: receiving sounding reference signal (SRS) resource configuration information form a base station, in which the SRS resource configuration information includes SRS resource information and association configuration information between a first SRS and a second SRS that is a target of the SRS resource configuration information; and transmitting precoded the second SRS to the base station on an SRS resource indicated by the SRS resource information, and the second SRS may be transmitted based on the precoding applied to the first SRS indicated by the association configuration information.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 2, 2020
    Inventors: Jonghyun PARK, Kijun KIM, Jiwon KANG, Haewook PARK, Minki AHN, Sangrim LEE
  • Publication number: 20200212973
    Abstract: Provided are a method and a device for transmitting uplink data by using a non-orthogonal code multiple access scheme in a wireless communication system. Specifically, a terminal receives information on a terminal-specific codebook from a base station. The terminal-specific codebook is included in a codebook for a predefined multi-dimensional modulation. The terminal performs multi-dimensional modulation-based encoding on an information bit on the basis of the terminal-specific codebook so as to generate a complex vector. The terminal performs DFT on the complex vector on the basis of the terminal-specific codebook so as to generate a frequency signal. The terminal transmits uplink data generated by performing IFFT on the frequency signal.
    Type: Application
    Filed: June 7, 2018
    Publication date: July 2, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Hojae LEE, Sangrim LEE
  • Publication number: 20200204317
    Abstract: A method for a terminal to transmit and receive signals for position estimation in a wireless communication system according to an embodiment of the present invention comprises the steps of: receiving a downlink (DL) positioning reference signal (PRS) from each of a serving base station and reference base stations; measuring phase differences between sinusoidal components included in the DL PRSs for each of the serving base station and the reference base stations; generating an uplink (UL) PRS on the basis of the measured phase differences; and transmitting the UL PRS to the serving base station, wherein the terminal may report the phase difference measured for the serving base station and the phase differences measured for the reference base stations through the transmission of the UL PRS to the serving base station.
    Type: Application
    Filed: August 20, 2018
    Publication date: June 25, 2020
    Inventors: Myeongjin KIM, Sangrim LEE
  • Publication number: 20200187248
    Abstract: Provided are a method and an apparatus for transmitting uplink data on the basis of contention in a wireless communication system. Specifically, a terminal receives, from a base station, allocation information for a contention zone in one resource zone. The allocation information includes a configuration field indicating locations and the number of contention zones. The terminal determines whether repetition of uplink data is to be performed, on the basis of downlink channel information. When it is determined that the repetition of uplink data is to be performed, the terminal transmits, to the base station, uplink data through all contention zones indicated by the configuration field. When it is determined that the repetition of uplink data is not to be performed, the terminal transmits, to the base station, uplink data through one contention zone arbitrarily selected from among all the contention zones indicated by the configuration field.
    Type: Application
    Filed: May 15, 2018
    Publication date: June 11, 2020
    Inventors: Hojae LEE, Sangrim LEE
  • Publication number: 20200178221
    Abstract: Provided are a method and equipment for performing device-to-device communication by sharing an uplink resource and a sidelink resource in a wireless communication system. Particularly, a first terminal transmits a reference signal to a base station. The first terminal receives a downlink control signal from the base station. The downlink control signal includes beam limiting information indicating a beam, which is not used for reducing interference with an uplink signal, when the first terminal transmits a sidelink signal. The first terminal transmits the sidelink signal to a second terminal by using beams excluding the beam indicated by the beam limiting information. The sidelink signal is transmitted through a resource pool in which the uplink resource and the sidelink resource are overlapped in time and frequency domains.
    Type: Application
    Filed: July 7, 2017
    Publication date: June 4, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Ilmu BYUN, Jiwon KANG, Sangrim LEE
  • Patent number: 10667243
    Abstract: This method for a transmitting side to transmit reference signals in a wireless communication system may comprise the step of: generating first reference signals for the demodulation of control channels and second reference signals for the demodulation of data channels; overlapping mapping the first and second reference signals to resources to which the control channels have been allocated in a predefined subframe; and transmitting the first and second reference signals mapped to the resources to which the control channels have been allocated.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: May 26, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Sangrim Lee, Hojae Lee, Kijun Kim
  • Publication number: 20200163058
    Abstract: A method by which a terminal performs a multi-dimensional modulation (MM)-based non-orthogonal multiple access (NOMA) communication can comprise the steps of: receiving, from a base station, control information indicating a terminal specific codebook for a terminal in a predefined codebook set for an MM-based encoder; and receiving a downlink data channel from the base station on the basis of the indicated terminal specific codebook, or performing MM-based encoding on the basis of the indicated terminal specific codebook and then transmitting an uplink data channel.
    Type: Application
    Filed: May 2, 2017
    Publication date: May 21, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Hojae LEE, Sangrim LEE
  • Publication number: 20200163090
    Abstract: A method for receiving resource allocation information by a user equipment in a wireless communication system, the method comprising receiving, from a base station, control information including downlink resource allocation information and an indicator indicating downlink resource allocation for the user equipment operating in Full Duplex Radio (FDR) mode, wherein the downlink resource allocation information indicates at least one first Resource Block Group (RBG) index, each of the at least one RBG index corresponding to a plurality of non-contiguous Physical Resource Block (PRB) indexes in a frequency domain, and receiving, from the base station, downlink data based on the downlink resource allocation information and based on the indicator.
    Type: Application
    Filed: January 20, 2017
    Publication date: May 21, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Dongkyu KIM, Kwangseok NOH, Sangrim LEE, Hojae LEE
  • Publication number: 20200145076
    Abstract: A method for feeding back CQI by a terminal in a wireless communication system can be provided according to one embodiment of the present specification. The method may comprise the steps of: receiving, by a terminal, CQI feedback related information from a base station; triggering CQI feedback on the basis of the CQI feedback related information; and feeding back the CQI to the base station, wherein the CQI feedback related information includes information indicating a CQI feedback mechanism type, in which when the CQI feedback mechanism type indicates a first type, an encoding index is generated by a predetermined encoding rule on the basis of a group index of the terminal and the measured CQI index, and the encoding index can be fed back to the base station.
    Type: Application
    Filed: November 24, 2017
    Publication date: May 7, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Gwanmo KU, Sangrim LEE, Hojae LEE, Sangwook HAN
  • Publication number: 20200145985
    Abstract: According to an embodiment of the present specification, a method for receiving information by a base station in a wireless communication system may be provided. A method for receiving information by a base station may comprise the steps of: acquiring minimum transmission rate information for a function value of a first function; determining a parameter for minimizing distortion between a plurality of terminals; transmitting information on the first function to the plurality of terminals on the basis of the determined parameter; receiving, from the plurality of terminals, feedback information encoded on the basis of the function value; and decoding the encoded feedback information.
    Type: Application
    Filed: September 18, 2017
    Publication date: May 7, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Gwanmo KU, Sangrim LEE, Hojae LEE, Daewook BYUN, Sangwook HAN
  • Patent number: 10637553
    Abstract: A method by which a terminal transmits feedback information in a wireless communication system can comprise the steps of: selecting a filter index for maximizing a signal to interference-plus-noise (SINR) or a signal to leakage-and-noise ratio (SLNR) in a filter book defined in advance for each resource block (RB) or subband; and transmitting, to a base station, feedback information including the selected filter index for each RB or subband.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: April 28, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Sangrim Lee, Hojae Lee, Hyunsoo Ko, Kwangseok Noh, Dongkyu Kim
  • Publication number: 20200128357
    Abstract: Provided is a method by which a terminal performs location measurement on the basis of a PDOA in a wireless communication system, according to one embodiment of the present description, wherein the method, by which a terminal performs location measurement on the basis of PDOA, comprises: a step for receiving, from a base station, a signal through a plurality of paths; a step for acquiring phase difference information on each of the plurality of paths; and a step for reporting, to the base station, the phase difference information on the basis of the reference signal. The terminal is capable of communicating with at least one of another terminal, a terminal related to an autonomous driving vehicle, the base station, or a network.
    Type: Application
    Filed: January 19, 2018
    Publication date: April 23, 2020
    Inventors: Myeongjin KIM, Sangrim LEE, Hyukjin CHAE