Patents by Inventor Hyukjin Chae

Hyukjin Chae 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: 10716093
    Abstract: The present application discloses a method for allocating resources for direct communication between terminals in a wireless communication system. Specifically, the method for allocating resources comprises: a step of configuring a first periodic resource so as to transmit multiple messages via direct communication between the terminals; and a step of transmitting the multiple messages by using the first periodic resource if a coding rate corresponding to the first periodic resource is below a maximum coding rate configured by an upper layer, wherein, if the coding rate is equal to or above the maximum coding rate, the first periodic resource is released and a second periodic resource is configured.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: July 14, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hanbyul Seo, Hyukjin Chae, Seungmin Lee
  • Publication number: 20200221335
    Abstract: Disclosed are a method whereby a terminal transmits a device-to-device (D2D) signal in a wireless communication system that supports D2D communication according to various embodiments, and an apparatus therefor. Disclosed are a method whereby a terminal transmits a D2D signal, and an apparatus therefor, wherein the method comprises: a step of measuring a technology congestion level with regard to a predetermined resource area; and a step of determining a wireless technology that is to be used for the 2D2 signal transmission on the basis of the technology congestion level, and transmitting the D2D signal on the basis of the determined wireless technology, and wherein the technology congestion level is related to the proportion of received signals that include information regarding the usage of a particular wireless technology in the predetermined resource area.
    Type: Application
    Filed: September 19, 2018
    Publication date: July 9, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyukjin CHAE, Seungmin LEE
  • Publication number: 20200220692
    Abstract: Disclosed in the present application is a method by which a terminal transmits and receives a signal. Particularly, the method comprises the steps of: receiving a downlink signal from a plurality of cells; transmitting, to a serving cell among the plurality of cells, an acknowledgement/negative ACK (ACK/NACK) response for the downlink signal; and receiving, from at least one cell among the plurality of cells, retransmission for the downlink signal.
    Type: Application
    Filed: March 16, 2020
    Publication date: July 9, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Hanbyul SEO, Kijun KIM, Byounghoon KIM, Hyukjin CHAE
  • Publication number: 20200221271
    Abstract: An embodiment of the present invention is a PSCCH transmission method. The method for a vehicle to everything (V2X) terminal to receive physical sidelink control channel (PSCCH) scheduling information and transmit a physical sidelink control channel (PSCCH) in a wireless communication system includes: a step for receiving Downlink control information related to sidelink semi persistent scheduling (SL SPS); a step for transmitting a first PSCCH in response to an instruction for activating an SL SPS configuration of the downlink control information; and a step for transmitting a second PSCCH among reserved resources after transmitting the PSCCH, wherein, when the downlink control information is related to the SL SPS for two or more component carriers (CCs), time resource units at which the first PSCCH is transmitted in each CC do not overlap with each other. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, the BS or a network.
    Type: Application
    Filed: August 13, 2018
    Publication date: July 9, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Heejin KIM, Seungmin LEE, Hyukjin CHAE, Hanbyul SEO
  • Patent number: 10708015
    Abstract: The present invention relates to a method and a device for transmitting a device-to-device (D2D) signal of a first terminal in a wireless communication system. Particularly, the method comprises the steps of: receiving at least one parameter for D2D communication which includes a scheduling assignment identity (ID); and transmitting a D2D signal generated by using the scheduling assignment ID to a second terminal through an uplink subframe, wherein the scheduling assignment ID is associated with the second terminal for the D2D communication.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: July 7, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Youngtae Kim, Hanbyul Seo, Kijun Kim, Inkwon Seo, Hyukjin Chae, Suckchel Yang, Myoungseob Kim
  • Publication number: 20200213976
    Abstract: Disclosed are a method and a device for performing sidelink communication in a wireless communication system. Specifically, the method performed by a terminal may comprise the steps of: receiving information on a resource pool related to narrowband sidelink communication from a base station, wherein the information includes information on at least one of a resource pool index and/or an initial allocation timing of the resource pool; and performing the narrowband sidelink communication through at least one resource pool determined on the basis of the information and a specific hopping pattern on a frequency domain, wherein the specific hopping pattern is determined on the basis of a hopping pattern set for another narrowband-based communication of the terminal.
    Type: Application
    Filed: September 12, 2018
    Publication date: July 2, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Myoungseob KIM, Hanbyul SEO, Seungmin LEE, Hyukjin CHAE
  • Publication number: 20200213961
    Abstract: Provided is a method of transmitting a sidelink synchronization signal in a wireless communication system and a user equipment (UE) using the same. The method includes: receiving SLSS resource configuration information, wherein the SLSS resource configuration information configures SLSS resources of an equal position and number in each of a plurality of carriers in which carrier aggregation is performed, receiving SLSS transmission configuration information indicating whether the plurality of carriers actually transmits the SLSS using the SLSS resources, respectively and transmitting the SLSS using the SLSS resources indicated by the SLSS resource configuration information on at least one of the plurality of carriers determined based on the SLSS transmission configuration information.
    Type: Application
    Filed: March 6, 2020
    Publication date: July 2, 2020
    Inventors: Seungmin Lee, Hanbyul Seo, Hyukjin Chae
  • Publication number: 20200213975
    Abstract: Disclosed in one embodiment of the present invention is a method by which a terminal selects a resource and transmits a signal in a wireless communication system, the method comprising the steps of: performing sensing during a preset time; selecting a resource through which a signal is to be transmitted on the basis of the sensing result; and transmitting the signal to another terminal through the selected resource, wherein when selecting the resource, the terminal preferentially excludes a pivot resource from resources for which sensing is performed, and the pivot resource is a resource which has a periodically repeated position and is irrelevant to a size or a period change of a transmission packet.
    Type: Application
    Filed: July 20, 2018
    Publication date: July 2, 2020
    Inventors: Hyukjin CHAE, Hanbyul SEO
  • Patent number: 10701581
    Abstract: A method for measuring and reporting a D2D resource by a terminal that supports D2D communication according to an embodiment of the present invention comprises the steps of: measuring a resource usage rate of a first link that is being used by the terminal for D2D communication; transmitting a measurement report including the measured resource usage rate to a base station when the measured resource usage rate exceeds a first threshold value or less than a second threshold value; and receiving resource reallocation information for offloading the D2D communication, from the base station, wherein the resource reallocation information includes probability values indicating probabilities that the first link and the second link, which is configured in a resource different from that of the first link, will be used for the D2D communication, respectively.
    Type: Grant
    Filed: December 26, 2016
    Date of Patent: June 30, 2020
    Assignee: LG Electronics Inc.
    Inventors: Inkwon Seo, Hanbyul Seo, Hyukjin Chae
  • Patent number: 10701648
    Abstract: The present invention relates to a wireless communication system. Disclosed is a method for transmitting a synchronization signal for direction communication between terminals. A method for transmitting a synchronization signal according to one embodiment of the present invention comprises the steps of: mapping a synchronization signal for direction communication between terminals to a sub-frame comprising a first slot and a second slot; and transmitting, to a counterpart terminal, the sub-frame to which the synchronization signal is mapped, wherein the synchronization signal is mapped to four orthogonal frequency division multiple access (OFDM) symbols of the sub-frame, and at least two OFDM symbols of the four OFDM symbols may be adjacent to each other.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: June 30, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hanbyul Seo, Inkwon Seo, Hyukjin Chae
  • Publication number: 20200204968
    Abstract: The present invention provides a vehicle-to-X (V2X) operation method performed by a V2X terminal in a wireless communication system, the method comprising: selecting, in a selection period, a subframe excluding a subframe relating to a subframe in which transmission has been performed during a sensing period; and performing a V2X communication on the basis of the selected subframe.
    Type: Application
    Filed: March 5, 2020
    Publication date: June 25, 2020
    Inventors: Seungmin LEE, Hanbyul SEO, Hyukjin CHAE, Youngtae Kim
  • Patent number: 10694566
    Abstract: A method for transmitting a signal by a Device-to-Device (D2D) User Equipment (UE) in a wireless communication system is disclosed. The method includes determining a resource pool for a D2D control signal, determining a resource pool for a D2D communication signal based on the resource pool for a D2D control signal, and transmitting a D2D communication signal using the resource pool for a D2D communication signal. Subframes of the resource pool for a D2D communication signal were reindexed, starting from a first subframe following a last subframe of the resource pool for a D2D control signal.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: June 23, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyukjin Chae, Hanbyul Seo, Youngtae Kim
  • Patent number: 10694347
    Abstract: The present invention provides a vehicle-to-X (V2X) operation method performed by a V2X terminal in a wireless communication system, the method comprising: reserving a finite number of resources used for performing a V2X communication; and performing the V2X communication on the finite number of reserved resources.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: June 23, 2020
    Assignee: LG Electronics Inc.
    Inventors: Seungmin Lee, Hanbyul Seo, Hyukjin Chae, Youngtae Kim
  • Publication number: 20200196257
    Abstract: One embodiment of the present invention relates to a method for receiving a sidelink synchronization signal (SLSS) by a terminal in a wireless communication system, comprising the steps of: receiving a physical sidelink broadcast channel (PSBCH); determining which of global navigation satellite systems (GNSS) or an eNB is to be a synchronization source according to priority information included in the PSBCH; and receiving an SLSS associated with the determined synchronization source, wherein the terminal determines that the priority information is valid only when a public land mobile network (PLMN) associated with the priority information matches a PLMN to which the terminal belongs.
    Type: Application
    Filed: February 24, 2020
    Publication date: June 18, 2020
    Inventors: Hyukjin CHAE, Hanbyul SEO, Seungmin LEE
  • Publication number: 20200196296
    Abstract: Provided are a method for executing vehicle-to-everything (V2X) communication by a base station in a wireless communication system and a device supporting same. The base station can; allocate a first resource set; transmit to a neighboring base station a UE resource reservation request message comprising information about the allocated first resource set; receive from the neighboring base station a UE resource reservation response message as a response to the UE resource reservation request message; and transmit a newly allocated second resource set to a terminal.
    Type: Application
    Filed: March 13, 2017
    Publication date: June 18, 2020
    Inventors: Daewook Byun, Myoungseob Kim, Hyukjin Chae, Jian Xu
  • Patent number: 10687294
    Abstract: One embodiment of the present invention relates to a method for a user equipment to transmit a device-to-device (D2D) signal in a time division duplex (TDD) wireless communication system, the method comprising the steps of: generating a primary synchronization signal and a secondary synchronization signal; and transmitting a subframe in which the primary synchronization signal and the secondary synchronization signal are mapped, wherein, if the cell selection reception level value and the cell selection quality value of the user equipment are all greater than 0, then the user equipment applies a fixed timing advance offset value (e.g. 624 Ts) that is greater than 0 when transmitting the subframe.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: June 16, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyukjin Chae, Hanbyul Seo
  • Patent number: 10687312
    Abstract: One embodiment of the present invention provides a method by which a device to device (D2D) terminal transmits a signal in a wireless communication system, the D2D signal transmission method comprising the steps of: allowing a resource, which is to be used for D2D transmission, to be configured by a base station; and transmitting a D2D control signal by selecting a time frequency resource from the resource, wherein, when there is no data to be transmitted by the terminal, transmission of the D2D control signal is not permitted.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: June 16, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyukjin Chae, Hanbyul Seo
  • Publication number: 20200187141
    Abstract: Disclosed is a method for transmitting a D2D synchronization signal. The method for transmitting a synchronization signal according to the present application may comprise the step of transmitting, on a previously set cycle, a synchronization signal from within a discovery section while a discovery message to be transmitted from an upper hierarchy exists.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 11, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Seungmin LEE, Hanbyul SEO, Hyukjin CHAE
  • Publication number: 20200187145
    Abstract: Various embodiments provide a method and an apparatus for calculating ranging information by a terminal in a wireless communication system. Specifically, disclosed are a method and an apparatus for calculating ranging information by a terminal, the method comprising the steps of: determining a resource region corresponding to geographic information of the terminal, on the basis of ranging resource information of a resource region set for each piece of geographic information, and transmitting a ranging signal for calculating ranging information in the determined resource region; receiving, from a road side unit (RSU) which has received the ranging signal, a response signal including information that is used as a basis for calculation of the ranging information; and calculating ranging information that is information on a distance to the RSU, on the basis of the response signal.
    Type: Application
    Filed: August 3, 2018
    Publication date: June 11, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyukjin CHAE, Hanbyul SEO
  • Publication number: 20200187252
    Abstract: Provided herein are a method for performing sidelink communication by a first device (100) and a device for supporting the same. The method may include the steps of performing at least one of Channel occupancy Ratio (CR) measurement or Channel Busy Ratio (CBR) measurement based on a first resource unit, and performing the sidelink communication based on the measurement, wherein a number of symbols of the first resource unit may be a number of symbols related with sidelink being included in a first slot, among a plurality of slots within a resource pool.
    Type: Application
    Filed: February 19, 2020
    Publication date: June 11, 2020
    Inventors: Seungmin LEE, Hanbyul SEO, Hyukjin CHAE