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).

  • 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
  • Publication number: 20200296614
    Abstract: A distance measurement method of user equipment in a wireless communication system is provided. The method comprises receiving a plurality of ranging request signals and transmitting a plurality of ranging response signals for the plurality of ranging request signals, wherein the number of transmitted ranging response signals is less than or equal to a maximum response signal number, and the maximum response signal number is determined on the basis of a channel busy ratio (CBR) measured by the terminal.
    Type: Application
    Filed: November 8, 2018
    Publication date: September 17, 2020
    Inventors: Seungmin Lee, Hyukjin Chae, Hanbyul Seo, Sangrim Lee
  • Patent number: 10779287
    Abstract: A method for receiving, by a terminal, a signal in a wireless communication system comprises: a step of receiving, from a base station, information indicating a subframe configuration type of subframes bundled into a plurality of subframe units; and a step of receiving, from the base station, a signal of a service corresponding to the indicated subframe configuration type in the bundled subframes, wherein the subframe configuration type of the bundled subframes is determined on the basis of the characteristics of the service to be provided from the bundled subframes.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: September 15, 2020
    Assignee: LG Electronics Inc.
    Inventors: Sangrim Lee, Jaehoon Chung, Hojae Lee
  • Patent number: 10771205
    Abstract: A method and a device for performing communication by using a non-orthogonal code multiple access scheme in a wireless communication system are provided. Particularly, a terminal receives control information from a base station. The terminal modulates or demodulates a terminal-specific NCC on the basis of the control information. The terminal performs the non-orthogonal code multiple access scheme by using the terminal-specific NCC. The control information includes information on a codeword composed of a Grassmannian sequence. The codeword is included in a codebook predefined for the non-orthogonal code multiple access scheme. Each coefficient of the Grassmannian sequence is quantized on the basis of an M-quadrature amplitude modulation (M-QAM) constellation.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: September 8, 2020
    Assignee: LG Electronics Inc.
    Inventors: Hojae Lee, Sangrim Lee, Kijun Kim, Byounghoon Kim
  • Patent number: 10763975
    Abstract: A method by which a base station reduces an operation for removing self-interference in an FDR environment can comprise the steps of receiving estimated channel state information from a terminal, determining a beam forming value for transmission beamforming on the basis of the received channel state information, and transmitting a downlink signal by applying the determined beamforming value.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: September 1, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Dongkyu Kim, Kwangseok Noh, Sangrim Lee, Hojae Lee
  • Publication number: 20200275244
    Abstract: The present document provides a method by which first vehicle-to-X (V2X) user equipment (UE) for supporting distance measurement transmits a ranging response signal in a wireless communication system, the method comprising: receiving a ranging request signal from second V2X UE; and transmitting, to the second V2X UE, the ranging response signal as a response to the ranging request signal on the basis of distance measurement parameter information, wherein the distance measurement parameter information includes information on a cyclic prefix (CP) length used for the ranging response signal, and the CP length used for the ranging response signal is different from a CP length to be used in V2X data channel transmission.
    Type: Application
    Filed: November 8, 2018
    Publication date: August 27, 2020
    Inventors: Seungmin Lee, Hanbyul Seo, Hyukjin Chae, Sangrim Lee
  • Publication number: 20200274601
    Abstract: The method for feedback of channel quality information in a wireless communication system, according to one embodiment of the present invention, is performed by a terminal and comprises the steps of: receiving feedback configuration information, including information on disjoint segmentation indicating the indexes of channel or beam quality-related parameters for broadcast or multicast services, from a base station; and according to the information on disjoint segmentation in the feedback configuration information, encoding the index of a channel or beam quality-related parameter to be reported and transmitting same to the base station, wherein the disjoint segmentation includes multiple subsets which do not overlap and which have different lengths, and the index of the channel or beam quality-related parameter, which is transmitted to the base station, may indicate a predetermined value in one subset among the multiple subsets.
    Type: Application
    Filed: November 5, 2018
    Publication date: August 27, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Gwanmo KU, Haewook PARK, Kilbom LEE, Sangrim LEE, Woonghee LEE, Hojae LEE, Hyukjin CHAE, Sangwook HAN
  • Patent number: 10757740
    Abstract: A method for performing, by a terminal, a contention-based uplink transmission in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: selecting any one of a plurality of codewords and any one of a plurality of demodulation reference signals (DMRS), the plurality of codewords and the plurality of DMRSs being set in a contention resource area for a contention-based uplink transmission; and transmitting, through the contention resource area, uplink data that corresponds to the selected codeword, and the selected DMRS, wherein the DMRS is transmitted in an orthogonal multiple access (OMA) scheme, the uplink data is transmitted in a non-orthogonal multiple access (NOMA) scheme, and the selected DMRS is one of the K DMRSs mapped to the selected codeword, wherein K may be an integer greater than or equal to 1, which is changed according to a DMRS collision occurring in the contention resource area.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: August 25, 2020
    Assignee: LG Electronics Inc.
    Inventors: Sangrim Lee, Hojae Lee, Dongkyu Kim, Myeongjin Kim, Kwangseok Noh
  • Patent number: 10756932
    Abstract: Provided is a non-orthogonal multiple access method, which: randomly selects a physical resource for performing non-orthogonal multiple access among the contention-based data transmission areas defined in advance; selects a reference signal sequence for a contention-based data transmission through the selected physical resource; selects a contention resource for the contention-based data transmission; selects a scrambling sequence to be applied to data transmission in the contention-based data transmission; and transmitting a data channel including data and a reference signal corresponding to the selected reference signal sequence through the selected physical resource, wherein the data channel is transmitted by allowing the selected scrambling sequence to be applied thereto.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: August 25, 2020
    Assignee: LG Electronics Inc.
    Inventors: Hojae Lee, Kijun Kim, Eunsun Kim, Sangrim Lee
  • Patent number: 10756867
    Abstract: According to one embodiment, a method by which a terminal transmits a signal in a wireless communication system on the basis of a contention-based non-orthogonal NOMA scheme can be provided, wherein the method for transmitting the signal can comprise the steps of: allocating a resource pool to which a signal is to be transmitted on the basis of the contention-based NOMA scheme; and transmitting data and a UE ID through the resource pool on the basis of the contention-based NOMA scheme, wherein a plurality of UE ID regions exist in the resource pool, and the UE ID can be allocated to a first region, which is one of the plurality of UE ID regions, and then transmitted.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: August 25, 2020
    Assignee: LG Electronics Inc.
    Inventors: Myeongjin Kim, Sangrim Lee, Hojae Lee, Dongkyu Kim, Kwangseok Noh
  • Patent number: 10757732
    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 UE receives, from a base station, information relating to a contention zone. The information relating to the contention zone includes predefined contention zone patterns and predefined terminal classes. The terminal selects a terminal class for the terminal from among the predefined terminal classes. The terminal selects a contention zone pattern for the terminal from among the predefined contention zone patterns on the basis of the selected terminal class. The uplink data is transmitted to the base station through a plurality of contention zones included in the selected contention zone pattern.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: August 25, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hojae Lee, Kijun Kim, Byounghoon Kim, Sangrim Lee
  • Publication number: 20200267767
    Abstract: A method by which a terminal transmits feedback information comprises the steps of: determining, in predetermined resource units for receiving the broadcast information in a broadcast resource region, whether broadcast information collides; selecting a first shared resource in a shared resource region corresponding to a first broadcast resource in which the conflict occurs in the broadcast resource region, on the basis of a pre-defined mapping rule of the broadcast resource region and the shared resource region; and transmitting, in the selected first shared resource, feedback information including information on the occurrence of the collision, wherein the broadcast resource region is a resource region, which is defined so as to transmit or receive the broadcast information, and the shared resource region can be determined as a resource region shared between a plurality of terminals.
    Type: Application
    Filed: November 8, 2018
    Publication date: August 20, 2020
    Inventors: Hojae LEE, Gwanmo KU, Haewook PARK, Kilbom LEE, Sangrim LEE, Hyukjin CHAE