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: 10892859
    Abstract: A method in which a terminal performs a HARQ operation in a NoMA-based system comprises a step of receiving a downlink control information (dci) format comprising a multiple access (MA) signature field for supporting NoMA transmission; a step of receiving downlink data based on a value of the MA signature indicated by the MA signature field; and a step of transmitting an ACK/NACK signal with respect to the downlink data based on a subframe offset value, a frequency offset value, or a sequence index value, which are tied with the indicated value of the MA signature according to a predefined rule, wherein the subframe offset value comprises the subframe offset value between a reception subframe of the downlink data and a downlink HARQ feedback transmission subframe with respect to the downlink data, and wherein the frequency offset value indicates a frequency band used for transmitting the ACK/NACK signal.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: January 12, 2021
    Assignee: LG Electronics Inc.
    Inventors: Hojae Lee, Kwangseok Noh, Dongkyu Kim, Sangrim Lee, Myeongjin Kim
  • Patent number: 10887907
    Abstract: A method and apparatus for performing a scheduling request for transmitting uplink data in a wireless communication system are provided. Specifically, a terminal receives allocation information for a first SR resource that is semi-statically allocated from a base station. The terminal receives allocation information for a second SR resource dynamically allocated from the base station. The second SR resource is additionally allocated in addition to the first SR resource for a buffer status report (BSR). At this time, the allocation information for the first SR resource comprises: mapping information between the first and second SR resources and buffer size information. The terminal transmits an SR to the base station through the first SR resource or the second SR resource.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: January 5, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Ilmu Byun, Sangrim Lee, Yunjung Yi, Kijun Kim
  • Patent number: 10880890
    Abstract: The document relates to a method for performing communication using multiple transmission time interval (TTI) structures in a wireless communication system. In this method, a terminal transmits and receives a signal through a resource region in which a first subframe corresponding to a TTI (short TTI) of a first length and a second subframe corresponding to a TTI (short TTI) of a second length longer than the first length are multiplexed in a frequency divisional multiplexing (FDM) manner, and when a second link direction of a signal transmitted through the second subframe in a specific time interval is different from a first link direction of a signal transmitted through the first subframe, the specific time interval of the second subframe is not used for signal transmission in the second link direction.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: December 29, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyunsoo Ko, Kwangseok Noh, Dongkyu Kim, Sangrim Lee, Hojae Lee
  • Patent number: 10868700
    Abstract: A method for a terminal for detecting data transmitted according to the multiuser superposition transmission system comprises the steps of: receiving, from a base station, downlink control information comprising information for a codeword subset selected form a non-orthogonal codebook comprising an orthogonal subset and non-orthogonal subset; estimating a channel on the basis of a reference signal symbol or reference signal pattern corresponding to the selected codebook subset; and, on the basis of the channel estimation, detecting desired data symbols on the basis of the selected codebook subset, wherein the superposed data symbols are symbols comprising data not only for the terminal but also for other terminals.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: December 15, 2020
    Assignee: LG Electronics Inc.
    Inventors: Hojae Lee, Sangrim Lee, Kwangseok Noh, Dongkyu Kim
  • Publication number: 20200389766
    Abstract: An embodiment of the present specification may provide a method for performing positioning using a drone by a terminal in a wireless communication system. The method for performing positioning using a drone by a terminal may comprise the steps of: transmitting information on a drone-positioning reference signal (D-PRS) configuration to a base station; receiving the D-PRS configuration information from the base station; receiving a positioning reference signal (PRS) from the base station and receiving the D-PRS from the drone; obtaining position-related information of the terminal on the basis of the PRS and the D-PRS; and transmitting the position-related information to the base station. The terminal is capable of communicating with at least one of another terminal, a terminal related to an autonomous driving vehicle, a base station or a network.
    Type: Application
    Filed: January 12, 2018
    Publication date: December 10, 2020
    Inventors: Myeongjin Kim, Sangrim Lee, Hojae Lee
  • Patent number: 10862650
    Abstract: Disclosed is an uplink communication method for: receiving data through an mmWave downlink from an mmWave base station; transmitting, to the mmWave base station, an ACK/NACK reply to the data and an mmWave uplink reference signal through an mmWave uplink; receiving, from the mmWave base station, an indicator indicating use of a legacy uplink instead of the mmWave uplink; shortening the length of a legacy TTI to correspond to the length of an mmWave TTI according to the indicator; and communicating with the mmWave base station through the legacy uplink using the shortened legacy TTI.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: December 8, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Kukheon Choi, Hyunsoo Ko, Sangrim Lee, Hojae Lee
  • Patent number: 10848210
    Abstract: A method for transmitting feedback information by a terminal may comprise: multiplying each of a left side and a right side of a matrix, which is related to a channel measured by the terminal, by a transformation matrix, so as to obtain a first matrix; performing a first transformation which transforms elements other than a predetermined number of elements having a larger size among elements of the first matrix to zero, or performing a second transformation which transforms elements other than elements exceeding a threshold value to zero, so as to obtain a second matrix; quantizing the second matrix so as to obtain a third matrix; configuring a vector by selecting a specific portion in the third matrix according to a predetermined pattern; configuring, into bits, an output obtained by multiplying the configured vector by a sensing matrix for compression sensing; and transmitting the output bits to a base station.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: November 24, 2020
    Assignee: LG Electronics Inc.
    Inventors: Sangrim Lee, Woonghee Lee, Hojae Lee
  • Publication number: 20200359354
    Abstract: Provided are a method by which a terminal transmits a ranging response signal in a wireless communication system, and a terminal using the method. The method comprises: receiving a ranging request signal from another terminal; and transmitting a ranging response signal to the other terminal in response to the ranging request signal, wherein a resource for transmission of the ranging response signal is determined on the basis of a reception power level of the ranging request signal.
    Type: Application
    Filed: November 8, 2018
    Publication date: November 12, 2020
    Inventors: Seungmin Lee, Hyukjin Chae, Hanbyul Seo, Sangrim Lee
  • Publication number: 20200358484
    Abstract: A method for transmitting feedback information by a terminal may comprise the steps of: measuring a channel; multiplying a first matrix associated with the measured channel by a transformation matrix, so as to obtain a second matrix and transmitting the obtained second matrix to a base station in a bit format. In addition, the transformation matrix may be determined on the basis of an angle offset satisfying a predetermined condition.
    Type: Application
    Filed: November 21, 2018
    Publication date: November 12, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Woonghee LEE, Sangrim LEE, Hojae LEE
  • Patent number: 10834534
    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: Grant
    Filed: January 19, 2018
    Date of Patent: November 10, 2020
    Assignee: LG Electronics Inc.
    Inventors: Myeongjin Kim, Sangrim Lee, Hyukjin Chae
  • Patent number: 10833796
    Abstract: Provided are a method and an apparatus for competition-based transmitting of uplink data in a wireless communication system to which a non-orthogonal multiple access scheme is applied. Particularly, a terminal receives, from a base station, information relating to a predefined modulation pattern for non-orthogonal multiple access. The information relating to the predefined modulation pattern includes a modulation pattern index. The modulation pattern index indicates designation of a terminal-specific modulation order for each resource element in a resource used overlappingly by multiple terminals. The terminal transmits data to the base station using the modulation order designated to each of the resource elements on the basis of the information relating to the predetermined modulation pattern.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: November 10, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hojae Lee, Kijun Kim, Byounghoon Kim, Sangrim Lee
  • Publication number: 20200351815
    Abstract: A method whereby a user equipment transmits/receives a reference signal for distance measurement in a wireless communication system according to an embodiment of the present invention comprises: a step of receiving, from a base station, a downlink (DL) positioning reference signal (PRS) including sinusoidal components of different angular frequencies; a step of acquiring a phase difference between the sinusoidal components of the DL PRS; a step of transmitting a first uplink (UL) PRS indicating the phase difference, so as to measure a first distance between the user equipment and the base station at a first point of time; and a step of transmitting a second UL PRS so as to measure a second distance between the user equipment, the position of which has changed after the first point of time, and the base station, wherein the user equipment may configure the same phase difference, acquired via the DL PRS before the first point of time, for the second UL PRS, without receiving an additional DL PRS for measuring t
    Type: Application
    Filed: August 29, 2018
    Publication date: November 5, 2020
    Inventors: Myeongjin KIM, Sangrim LEE, Woonghee LEE
  • Publication number: 20200344808
    Abstract: The method for feedback for broadcast- or multicast-based device-to-device communication in a wireless communication system, according to one embodiment of the present disclosure, is performed by a first terminal and may comprise the steps of: determining whether or not a collision has occurred in data received from a counterpart terminal; and in response to the determination that a collision has occurred, transmitting feedback information, including collision resource information and terminal operation information, to the counterpart terminal.
    Type: Application
    Filed: November 5, 2018
    Publication date: October 29, 2020
    Inventors: Gwanmo Ku, Sangrim Lee, Hojae Lee, Hyukjin Chae, Sangwook Lee
  • Publication number: 20200336196
    Abstract: An embodiment of the present specification may provide a method for performing a sequential beam report procedure for multiple beams by a terminal in a wireless communication system. More particularly, the method comprises the steps of: receiving information for a sequential beam report procedure from a base station; measuring, using a signal received from the base station, downlink qualities of multiple beams serviced by the base station; encoding, in descending order, downlink quality measurement results of best M beams among the multiple beams, the downlink qualities of which have been measured; and transmitting the encoded information to the base station so as to perform the sequential beam report procedure.
    Type: Application
    Filed: January 8, 2018
    Publication date: October 22, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Gwanmo KU, Sangwook HAN, Sangrim LEE
  • Publication number: 20200322021
    Abstract: Disclosed is a terminal for performing an mmWave communication method and an mmWave communication method comprising: receiving information relating to a basic UL/DL configuration from an mmWave base station; generating statistical information relating to an mmWave downlink channel using a reference signal received from the mmWave base station, according to the basic UL/DL configuration; transmitting the statistical information to the mmWave base station through a legacy uplink; and receiving, from the mmWave base station, information relating to the UL/DL configuration which has been modified according to the statistical information.
    Type: Application
    Filed: June 8, 2016
    Publication date: October 8, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Kukheon CHOI, Hyunsoo KO, Kwangseok NOH, Dongkyu KIM, Sangrim LEE
  • Publication number: 20200313779
    Abstract: A method for a terminal to receive information for measuring self-interference may comprise: a step of receiving, from a base station, RS configuration information including information on an RS for measuring self-interference; a step of measuring self-interference on the basis of the RS configuration information by using the RS for measuring self-interference; and a step of reporting, to the base station, information on the measurement result of the self-interference. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, a base station or a network.
    Type: Application
    Filed: November 14, 2017
    Publication date: October 1, 2020
    Inventors: Dongkyu Kim, Sangrim Lee
  • Publication number: 20200314908
    Abstract: Disclosed in the present application is a method for a terminal performing a random access procedure in a wireless communication system. Specifically, the method for performing a random access procedure comprises the steps of: transmitting, to a base station, a plurality of random access signals corresponding to a plurality of different beams in a transmission interval corresponding to the corresponding random access signal; receiving a random access response signal corresponding to one random access signal of the plurality of random access signals; and transmitting and receiving a signal to and/or from the base station, using a beam corresponding to the one random access signal, wherein the plurality of random access signals comprise identifier information of the terminal.
    Type: Application
    Filed: March 27, 2017
    Publication date: October 1, 2020
    Inventors: Daesung HWANG, Kijun KIM, Hyunsoo KO, Suckchel YANG, Sangrim LEE, Seungmin LEE, Ilmu BYUN
  • Patent number: 10790957
    Abstract: A method for allocating resources by a Base Station (BS) in a wireless communication system is disclosed. The method includes configuring a Resource Block Group (RBG) dependent on whether a User Equipment (UE) operates in Full Duplex Radio (FDR) mode or Half Duplex (HD) mode, and allocating resources to the UE in units of the configured RBG. The RBG includes a plurality of Resource Blocks (RBs).
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: September 29, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Dongkyu Kim, Kwangseok Noh, Sangrim Lee, Hojae Lee
  • Publication number: 20200305157
    Abstract: A method for a communication apparatus selectively operating a duplex mode in a wireless communication system may comprise the steps of: operating in a half-duplex radio (HDR) mode in a resource including a physical channel or a signal used for initial access prior to radio resource control (RRC) connection; and operating in a full duplex radio (FDR) mode after the initial access.
    Type: Application
    Filed: August 1, 2016
    Publication date: September 24, 2020
    Inventors: Dongkyu KIM, Kwangseok NOH, Sangrim LEE, Hojae LEE
  • Patent number: 10785807
    Abstract: A method by which a terminal transmits a random access channel (RACH) signal in a wireless communication system comprises the step of transmitting the RACH signal to a base station according to an RACH format corresponding to a specific RACH subframe among previously defined RACH formats, wherein the method is configured such that a start point or an end point of the RACH signal in a time domain is differentiated according to whether a downlink control zone and an uplink control zone within the RACH subframe are punctured in a specific frequency band between the previously defined RACH formats.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: September 22, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hojae Lee, Sangrim Lee, Dongkyu Kim, Kwangseok Noh, Kijun Kim