Patents by Inventor Yunjung Yi

Yunjung Yi 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: 10484971
    Abstract: The present invention relates to a wireless access system supporting machine type communication (MTC), and to various methods for an MTC terminal transmitting/receiving data. A method for an MTC terminal receiving data in a wireless access system supporting MTC, as one embodiment of the present invention, may comprise the steps of: receiving a modulation and coding scheme (MCS) index indicating a MCS, and a physical resource block (PRB) index indicating the size of a PRB allocated to a MTC terminal; checking a transport block size (TBS) index that is mapped with the MCS index and deriving a TBS on the basis of the TBS index and the PRB index; and on the basis of the TBS, decoding a physical downlink shared channel (PDSCH) in order to receive data. Here, the size of the MCS index is configured to be a 4-bit size, and the TBS index may be configured so as to support only from 0 to 9 for the MTC terminal.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: November 19, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Bonghoe Kim, Yunjung Yi
  • Patent number: 10484127
    Abstract: Provided are methods for repeatedly transceiving a common control message for a machine-type communication (MTC) terminal in a wireless access system supporting MTC, and apparatuses supporting the methods. A method for receiving a common control message for an MTC terminal in a wireless access system supporting MTC according to one embodiment of the present invention may comprise the steps of: receiving a channel status information reference signal (CSI-RS); and receiving a common control message from a subframe in which the CSI-RS is received. Here, the common control message can be configured so as to be repeatedly transmitted from a previously configured number of subframes comprising the subframe.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: November 19, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Bonghoe Kim, Yunjung Yi
  • Publication number: 20190349907
    Abstract: A method for receiving downlink control information by a terminal in a wireless communication system may include receiving control channel element (CCE) configuration information from a base station; determining multiple control channel candidates, each of which has one or more CCEs, on the basis of the CCE configuration information; and blind-detecting downlink control information through the multiple control channel candidates, wherein: each of the one or more CCEs includes multiple resource element groups (REGs), and the number of data resource elements (REs) for carrying the downlink control information is independently determined for each REG; and the CCE configuration information indicates whether each CCE has a fixed number of REGs or a fixed number of data REs. 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: January 3, 2018
    Publication date: November 14, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Inkwon SEO, Yunjung YI
  • Publication number: 20190349911
    Abstract: One aspect of the present disclosure provides a method for detecting, by a user equipment, a PDCCH signal, the method including: receiving configurations for a plurality of search space sets from a base station; determining, based on a monitoring periodicity of each of the plurality of search space sets, search space sets for which the user equipment should monitor a PDCCH signal for a specific unit time; and attempting blind-detection selectively for only a part of PDCCH candidates included in the determined search space sets when a number of PDCCH candidates or a number of CCEs included in the determined search space sets exceed a maximum number of candidates or a maximum number of CCEs, wherein in selection of PDCCH candidates for attempting the blind-detection, the user equipment firstly selects PDCCH candidates from a first search space set related to a CSS among the determined search space sets.
    Type: Application
    Filed: July 26, 2019
    Publication date: November 14, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Inkwon SEO, Yunjung YI
  • Publication number: 20190349865
    Abstract: A disclosure of the present specification provides a method for executing power control by a user equipment (UE). The method may include the steps of: determining a first amount of power for transmitting a first uplink control information (UCI) by a user equipment (UE) set to have a dual connectivity with a first cell group and a second cell group; and determining a second amount of power for transmitting a second UCI. Herein, when the first UCI includes HARQ-ACK but the second UCI does not include HARQ-ACK, the determination of the first amount of power may have a priority over the determination of the second amount of power.
    Type: Application
    Filed: July 26, 2019
    Publication date: November 14, 2019
    Inventors: Daesung HWANG, Yunjung YI, Joonkui AHN, Suckchel YANG
  • Patent number: 10477524
    Abstract: The present invention relates to a wireless communication system. Particularly, the present invention relates to a method for receiving control information in a wireless communication system and a device therefor, the method comprising the steps of: receiving a PDCCH signal including uplink scheduling information; transmitting a PUSCH signal by using the uplink scheduling information: and receiving a PHICH signal including acknowledgement information on the PUSCH signal, wherein an RS for the PUSCH signal exists only in one slot per RB pair within an RB set in which the PUSCH signal is transmitted, and a resource for receiving the PHICH signal is determined by using an index of the slot in which the RS exists.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: November 12, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Suckchel Yang, Yunjung Yi, Joonkui Ahn, Bonghoe Kim
  • Patent number: 10477535
    Abstract: The present invention relates to a wireless communication system. In particular, the present invention relates to a method and an apparatus for receiving data, by a terminal, in a wireless communication system, the method comprising the steps of: receiving a PDCCH; receiving a PDSCH corresponding to the PDCCH in a subframe including CSI-RS resource available in a cell; and demodulating the PDSCH. If a predetermined condition is satisfied, demodulation of the PDSCH is performed on the assumption that the PDSCH is not transmitted in the CSI-RS resource available in the cell, and if the predetermined condition is not satisfied, the demodulation of the PDSCH is performed on the assumption that the PDSCH can be transmitted in the CSI-RS resources available in the cell.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: November 12, 2019
    Assignee: LG Electronics Inc.
    Inventors: Suckchel Yang, Yunjung Yi, Hyangsun You, Joonkui Ahn
  • Patent number: 10477546
    Abstract: Provided is a method for communication for a second terminal and a second terminal apparatus using the method in a wireless communication system utilizing a first frequency band by which a first terminal can receive a signal from a base station and a second frequency band by which the first terminal can transmit a signal to the base station. The method is characterized by receiving a signal from the base station from a part of a subframe of the second frequency band, and transmitting a signal to the base station from the remaining subframe of the second frequency band.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: November 12, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Dongyoun Seo, Joonkui Ahn, Yunjung Yi, Bonghoe Kim, Daesung Hwang
  • Publication number: 20190342909
    Abstract: Provided is an uplink reference signal transmitting method for a terminal configured to support a length of a transmission time interval (TTI) in a wireless communication system according to an embodiment of the present invention. The method is performed by a terminal and may comprise the steps of: receiving configuration information associated with an uplink reference signal for a plurality of TTIs from a base station; and transmitting an uplink reference signal in at least one TTI from among the plurality of TTIs, using the received configuration information, wherein the configuration information may be included in signaling that schedules at least one TTI from among the plurality of TTIs.
    Type: Application
    Filed: July 19, 2019
    Publication date: November 7, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyunho LEE, Kijun KIM, Eunsun KIM, Suckchel YANG, Yunjung YI, Youngtae KIM, Daesung HWANG
  • Publication number: 20190342782
    Abstract: A channel state reporting method based on a channel state information-reference signal (CSI-RS) in a wireless communication system, according to one embodiment of the present invention, may comprise the steps of: receiving a CSI-RS configuration associated with a partial band occupying a frequency band configured with a single numerology; and when CSI-RS configurations for multiple partial bands are included in the CSI-RS configuration, configuring the respective multiple partial bands with numerologies that are different from each other, and according to the CSI-RS configuration associated with the partial band, transmitting CSI information derived from a CSI-RS transmitted from the partial band.
    Type: Application
    Filed: August 10, 2017
    Publication date: November 7, 2019
    Inventors: Kunil YUM, Jiwon KANG, Kijun KIM, Yunjung YI
  • Publication number: 20190342135
    Abstract: The present specification relates to a method for transmitting uplink signals in a wireless communication system, the method being performed by a UE and comprising the steps of: receiving, from a base station, information on a cyclic shift (CS) index configuration, which indicates the configuration of an index group for a CS related to uplink signal transmission; determining a CS index for generating a particular uplink signal in the CS index group; generating the particular uplink signal by using the determined CS index and a base sequence having a particular length; and transmitting the generated particular uplink signal to the base station via an uplink control channel.
    Type: Application
    Filed: December 9, 2016
    Publication date: November 7, 2019
    Applicant: LG Electronics Inc.
    Inventors: Kyuhwan KWAK, Daesung HWANG, Yunjung YI, Suckchel YANG, Hyunho LEE
  • Publication number: 20190342061
    Abstract: A user equipment (UE) receives UE group information indicating a first UE group to which the UE belongs, and transmits uplink (UL) data and a demodulation reference signal (DM-RS), which is for demodulating the UL data, on the basis of the UE group information. The DM-RS is transmitted by means of a first uplink demodulation reference signal (UL DM-RS) resource, which corresponds to the first UE group to which the UE belongs, among a plurality of UL DM-RS resources respectively corresponding to one or more UE groups.
    Type: Application
    Filed: July 26, 2017
    Publication date: November 7, 2019
    Applicant: LG Electronics Inc.
    Inventors: Eunsun KIM, Hyunsoo KO, Kijun KIM, Yunjung YI, Hanbyul SEO, Suckchel YANG, Hojae LEE
  • Publication number: 20190342838
    Abstract: The present invention discloses a method for controlling uplink transmission power in a wireless communication system, and an apparatus therefor. Specifically, the method includes: reporting to a base station, terminal capability information regarding uplink transmission power; receiving from the base station, indication information on the transmission power of a first uplink channel and indication information on the transmission power of a second uplink channel; transmitting the first uplink channel according to the transmission power of the received first uplink channel; and transmitting the second uplink channel according to the transmission power of the received second uplink channel.
    Type: Application
    Filed: June 2, 2017
    Publication date: November 7, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Kyuhwan KWAK, Yunjung YI, Inkwon SEO, Daesung HWANG, Suckchel YANG, Hyukjin CHAE
  • Publication number: 20190342058
    Abstract: A method of receiving, by a user equipment (UE) that is configured to operate in transmission mode 10, downlink data in a wireless communication system. The method includes: receiving, in a transmission time interval (TTI), downlink control information (DCI) that includes resource element (RE) mapping information. The method also includes receiving, in a plurality of TTIs subsequent to the TTI in which the DCI was received, repeated transmissions of the downlink data to which the RE mapping information has been applied.
    Type: Application
    Filed: May 6, 2019
    Publication date: November 7, 2019
    Inventors: Kyuhwan KWAK, Seungmin LEE, Yunjung YI, Hyunho LEE
  • Publication number: 20190342864
    Abstract: Disclosed is a method for transmitting an uplink signal to a base station by a terminal in a wireless communication system. Specifically, the method comprises the steps of: detecting a downlink control signal from the base station through a terminal-specific search space or a common search space at a first time point; and transmitting an uplink signal corresponding to the downlink control signal to the base station on the basis of the downlink control signal, wherein, when the downlink control signal is detected in the terminal-specific search space, the uplink signal is transmitted at a second time point, and when the downlink control signal is detected in the common search space, the uplink signal is transmitted at a third time point.
    Type: Application
    Filed: June 8, 2017
    Publication date: November 7, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Daesung HWANG, Hyunho LEE, Hanjun PARK, Yunjung YI, Seungmin LEE
  • Publication number: 20190341962
    Abstract: A method and apparatus for transmitting data to a machine type communication user equipment (MTC UE) in a wireless communication system is provided. A base station (BS) configures a frequency hopping in every specific number of subframes which corresponds to a frequency hopping granularity, and transmits data to the MTC UE by using the configured frequency hopping.
    Type: Application
    Filed: July 17, 2019
    Publication date: November 7, 2019
    Inventor: Yunjung Yi
  • Patent number: 10469222
    Abstract: The present specification discloses a method for transmitting a demodulation reference signal (DMRS) for uplink data demodulation by a machine type communication (MTC) device which is configured to operate in only a part of the system band of a cell. The method may comprise the steps of: mapping a DMRS sequence to 12 sub-carriers of a physical resource block (PRB); and dividing the PRB, to which the DMRS is mapped, into N sub-PRBs. Here, each of the sub-PRBs may comprise 12/N sub-carriers to which the DMRS is mapped. The method may further comprise a step for transmitting the N sub-PRBs to a base station in N sub-frames.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: November 5, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyangsun You, Yunjung Yi
  • Patent number: 10470194
    Abstract: A method for receiving interference downlink control information of a terminal equipped with an interference cancellation capability in a wireless communication system according to one embodiment of the present invention may comprise the steps of: receiving, from a base station, information regarding a transmission mode or method of candidate interference downlink control information; receiving, from the base station, as the transmission mode or method of the interference downlink control information, information indicating one from among the transmission mode or method of candidate interference downlink control information, or a transmission mode or method identical to the downlink control information for the terminal itself; and detecting interference downlink control information by searching only the downlink control information of the indicated transmission mode or method of the interference downlink control information.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: November 5, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Kijun Kim, Hyungtae Kim, Yunjung Yi
  • Patent number: 10470221
    Abstract: A method for performing a random access procedure by a user equipment (UE) in a wireless communication system supporting coverage enhancement, the method including transmitting, by the UE, a random access preamble and repeatedly receiving, by the UE, a physical downlink control channel (PDCCH) scheduling a random access response (RAR) in response to the random access preamble, wherein, starting subframe information for repeatedly receiving the PDCCH scheduling the RAR is signaled through a system information block (SIB).
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: November 5, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Suckchel Yang, Joonkui Ahn, Yunjung Yi, Hyangsun You, Bonghoe Kim
  • Publication number: 20190334677
    Abstract: A method for receiving data in a user equipment (UE) from an eNB in a wireless communication system is disclosed. The method comprises the steps of receiving one or more control resource set (CORESET) regions; receiving rate matching information from a higher layer; and receiving the data based on the one or more CORESET regions and the rate matching information, wherein the data are mapped into at least one CORESET indicated by the higher layer among the one or more CORESETs on the basis of the rate matching information.
    Type: Application
    Filed: February 14, 2018
    Publication date: October 31, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Daesung HWANG, Yunjung YI, Inkwon SEO