Patents by Inventor Kyuhwan KWAK

Kyuhwan KWAK 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: 10869282
    Abstract: Disclosed is a method for transmitting an uplink control channel and a device therefor. Specifically, a method for transmitting an uplink control channel in a wireless communication system by a terminal, includes: generating at least one modulation symbol for specific uplink control information; mapping the at least one modulation symbol to a first resource region of the uplink control channel; and transmitting the uplink control channel to a base station, in which the uplink control channel may include the first resource region and a second resource region to which a reference signal is mapped, and an energy value allocated to the first resource region may be configured to be the same as an energy value allocated to the second resource region.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: December 15, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Kyuhwan Kwak, Kijun Kim, Daesung Hwang
  • Patent number: 10863489
    Abstract: A method for transmitting an uplink control channel in a wireless communication system and a device therefor are disclosed. In detail, the method performed by a user equipment (UE) includes generating a third sequence by aggregating a first sequence with a second sequence, generating a fourth sequence by using the generated third sequence and a specific cyclic shift index corresponding to specific uplink control information, and transmitting the uplink control channel by using the generated fourth sequence, wherein the fourth sequence may be transmitted in at least one symbol constituting a resource region allocated for transmission of the uplink control channel, and wherein the fourth sequence may indicate the specific uplink control information transmitted through the uplink control channel.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: December 8, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Kyuhwan Kwak, Suckchel Yang, Bonghoe Kim, Daesung Hwang
  • Publication number: 20200382247
    Abstract: Disclosed is a method by which a terminal receives a physical downlink shared channel (PDSCH) in a wireless communication system. Particularly, the method comprises: receiving a physical downlink control channel (PDCCH) for scheduling the PDSCH; acquiring, from the PDCCH, rate matching information for the PDSCH; and receiving the PDSCH at a plurality of transmission time intervals (TTIs) on the basis of the rate matching information, wherein the rate matching information is identically used for the plurality of TTIs.
    Type: Application
    Filed: February 14, 2019
    Publication date: December 3, 2020
    Inventors: Kyuhwan KWAK, Hyunho LEE, Seungmin LEE, Yunjung YI, Daesung HWANG
  • Patent number: 10856314
    Abstract: The disclosure proposes a method for transmitting/receiving data in a wireless communication system and apparatus for supporting the same. Specifically, a method of transmitting an uplink data channel by a user equipment (UE) in a wireless communication system comprises receiving, from a base station, first downlink control information for scheduling an uplink data channel in an nth transmission time unit, receiving, from the base station, second downlink control information for scheduling an uplink data channel in an n+kth transmission time unit, and when information by the first downlink control information is inconsistent with information by the second downlink control information, transmitting an uplink data channel which is based on the first downlink control information to the base station, wherein the second downlink control information may be discarded by the UE.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: December 1, 2020
    Assignee: LG Electronics Inc.
    Inventors: Hyunho Lee, Kyuhwan Kwak
  • Patent number: 10855408
    Abstract: The present specification relates to a method for transmitting uplink control channels in a wireless communication system, the method being performed by a terminal 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 control channel transmission; transmitting a first physical uplink control channel by using a first CS index included in the CS index group and a base sequence having a particular length; and transmitting a second physical uplink control channel by using a second CS index included in the CS index group and the base sequence having the particular length, wherein the first CS index is used for symbols that are not overlapped between transmission time intervals (TTI) for transmitting the physical uplink control channel, and the second CS index is used for symbols that are overlapped between the TTI.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: December 1, 2020
    Assignee: LG Electronics Inc.
    Inventors: Kyuhwan Kwak, Daesung Hwang, Hyunho Lee, Yunjung Yi
  • Publication number: 20200374881
    Abstract: The present invention provides a method by which a terminal receives downlink control information (DCI) in a wireless communication system. Particularly, the method can acquire the DCI by detecting a plurality of first DCI candidates in a plurality of control resource block (RB) sets, descrambling a cyclic redundancy check (CRC) included in each of the plurality of first DCI candidates, and aggregating second DCI candidates, from among the plurality of first DCI candidates, descrambled on the basis of the same scrambling sequence.
    Type: Application
    Filed: January 16, 2019
    Publication date: November 26, 2020
    Inventors: Kyuhwan KWAK, Seungmin LEE, Hyunho LEE
  • Publication number: 20200367276
    Abstract: Disclosed is a method for a terminal to receive downlink control information (DCI) in a wireless communication system. In particular, the method comprises: receiving information related to a mapping relation between a blind decoding candidate index and a redundancy version (RV) for DCI; detecting DCIs repeatedly transmitted in a plurality of blind decoding candidates; acquiring an RV value of the DCI on the basis of the information and the index of the blind decoding candidate in which the DCI has been detected, and acquiring data scheduling information included in the DCI on the basis of the RV value.
    Type: Application
    Filed: November 14, 2018
    Publication date: November 19, 2020
    Inventors: Kyuhwan Kwak, Seungmin Lee, Yunjung Yi, Hyunho Lee
  • Patent number: 10841945
    Abstract: A method of transmitting an uplink (UL) signal by a user equipment (UE) in a wireless communication system, where the method includes: receiving, through a physical downlink control (PDCCH) signal, downlink control information (DCI) regarding a semi-persistent scheduling (SPS) physical uplink shared channel (PUSCH); and periodically transmitting an SPS PUSCH signal based on the DCI. Periodically transmitting the SPS PUSCH signal based on the DCI includes: in a state in which (i) the SPS PUSCH signal is subslot-based, (ii) a demodulation reference signal (DMRS) pattern field included in the DCI is set to a first value, and (iii) simultaneous transmission of a physical uplink control channel (PUCCH) and the PUSCH is configured for the UE: transmitting uplink control information (UCI) through the SPS PUSCH signal, without simultaneously transmitting a PUCCH signal.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: November 17, 2020
    Assignee: LG Electronics Inc.
    Inventors: Hyunho Lee, Kyuhwan Kwak
  • Publication number: 20200359375
    Abstract: A method of performing an operation for a first user equipment (UE) in a wireless communication system includes receiving a physical sidelink shared channel (PSSCH) from a second UE by the first UE, and transmitting, to the second UE, a physical sidelink feedback channel (PSFCH) related to the PSSCH in a first slot of the PSFCH after a predetermined number of slots by the first UE. One or more slots correspond to the predetermined number of slots are included in a sidelink slot set.
    Type: Application
    Filed: January 22, 2020
    Publication date: November 12, 2020
    Inventors: Daesung HWANG, Seungmin LEE, Hanbyul SEO, Kyuhwan KWAK
  • Publication number: 20200359403
    Abstract: A method and a device for allowing a terminal to transmit a signal in a wireless communication system, according to one embodiment of the present invention, map first uplink control information (UCI) and second UCI to one specific uplink channel if a resource region for transmitting the first UCI and a resource region for transmitting the second UCI are overlapped in a time domain, and transmit the specific uplink channel Particularly, the specific uplink channel comprises a first bit payload for the first UCI and a second bit payload for the second UCI, wherein the number of bits of the first bit payload and the number of bits of the second bit payload are determined on the basis of preset ratio information.
    Type: Application
    Filed: January 16, 2019
    Publication date: November 12, 2020
    Inventors: Hyunho Lee, Kyuhwan Kwak, Seungmin Lee, Daesung Hwang
  • Publication number: 20200344783
    Abstract: The present specification proposes a method for transmitting and receiving a physical downlink shared channel (PDSCH) in a wireless communication system and a device supporting the same. More specifically, the method performed by a user equipment includes receiving, from a base station, a higher layer signal including first information about a configuration of an operation related to a PDSCH repetition, receiving, from the base station, second information related to a number of symbols of a control region, receiving, from the base station, downlink control information (DCI) including information related to a PDSCH repetition number based on the second information, and repeatedly receiving, from the base station, the PDSCH based on the DCI, wherein when the control region is configured with a specific number of symbols, a transmission time unit related to the control region is not included in transmission time units for a PDSCH repetition reception.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 29, 2020
    Inventors: Hyunho LEE, Kyuhwan KWAK, Seungmin LEE
  • Patent number: 10820305
    Abstract: The present invention relates to a wireless communication system and, particularly, to a method and a device therefor, the method comprising the steps of: configuring a plurality of A/N transmission delays and a plurality of A/N resources through a higher layer signal; receiving downlink scheduling information indicating a first A/N transmission delay among the plurality of A/N transmission delays and a first A/N resource among the plurality of A/N resources; receiving data indicated by the downlink scheduling information; and transmitting an A/N for the data by using the first A/N resource at a time determined on the basis of the first A/N transmission delay.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: October 27, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Suckchel Yang, Daesung Hwang, Kyuhwan Kwak, Jaehoon Chung, Kijun Kim, Seonwook Kim
  • Patent number: 10805919
    Abstract: The present invention provides a method for a user equipment to receive downlink data. Particularly, the method includes: receiving information related to one or more control resource sets for downlink control information; receiving rate matching information related to whether or not to receive downlink data in each of the one or more control resource sets; and receiving the downlink data in each of the one or more control sets on the basis of the rate matching information, wherein, if the rate matching information includes first information, the downlink data are not received in the control resource set in which the downlink control information has not been detected.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: October 13, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Kyuhwan Kwak, Seungmin Lee, Hyunho Lee
  • Patent number: 10798731
    Abstract: A method of transmitting an uplink (UL) signal by a user equipment (UE) in a wireless communication system, where the method includes: receiving, through a physical downlink control (PDCCH) signal, downlink control information (DCI) regarding a semi-persistent scheduling (SPS) physical uplink shared channel (PUSCH); and periodically transmitting an SPS PUSCH signal based on the DCI. Periodically transmitting the SPS PUSCH signal based on the DCI includes: in a state in which (i) the SPS PUSCH signal is subslot-based, (ii) a demodulation reference signal (DMRS) pattern field included in the DCI is set to a first value, and (iii) simultaneous transmission of a physical uplink control channel (PUCCH) and the PUSCH is configured for the UE: transmitting uplink control information (UCI) through the SPS PUSCH signal, without simultaneously transmitting a PUCCH signal.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: October 6, 2020
    Assignee: LG Electronics Inc.
    Inventors: Hyunho Lee, Kyuhwan Kwak
  • Publication number: 20200296756
    Abstract: A method of transmitting an uplink (UL) signal by a user equipment (UE) in a wireless communication system, where the method includes: receiving, through a physical downlink control (PDCCH) signal, downlink control information (DCI) regarding a semi-persistent scheduling (SPS) physical uplink shared channel (PUSCH); and periodically transmitting an SPS PUSCH signal based on the DCI. Periodically transmitting the SPS PUSCH signal based on the DCI includes: in a state in which (i) the SPS PUSCH signal is subslot-based, (ii) a demodulation reference signal (DMRS) pattern field included in the DCI is set to a first value, and (iii) simultaneous transmission of a physical uplink control channel (PUCCH) and the PUSCH is configured for the UE: transmitting uplink control information (UCI) through the SPS PUSCH signal, without simultaneously transmitting a PUCCH signal.
    Type: Application
    Filed: May 29, 2020
    Publication date: September 17, 2020
    Inventors: Hyunho LEE, Kyuhwan KWAK
  • Publication number: 20200296698
    Abstract: The present disclosure provides a method for a terminal to receive downlink control information (DCI) in a wireless communication system. Particularly, the method is characterized in that DCI is received through one or more control channel elements (CCE) based on an aggregation level for a physical downlink control channel (PDCCH), wherein each of the one or more CCEs includes a plurality of resource element groups (REG), each of the plurality of REGs includes a plurality of resource elements (RE), and the DCI is mapped to a first RE included in a first REG and then to a second RE included in a second REG.
    Type: Application
    Filed: September 28, 2018
    Publication date: September 17, 2020
    Inventors: Kyuhwan KWAK, Seungmin LEE, Hyunho LEE, Yunjung YI
  • Publication number: 20200288435
    Abstract: An embodiment of the present disclosure provides a method for performing sidelink (SL) communication based on physical sidelink control channel (PSCCH) by a first apparatus. The method may include transmitting a first sidelink control information to a second apparatus through PSCCH, and transmitting a second sidelink control information to the second apparatus through physical sidelink shared channel(PSSCH) related to the PSCCH, wherein the first sidelink control information includes at least one reserved bit reserved for use.
    Type: Application
    Filed: March 19, 2020
    Publication date: September 10, 2020
    Inventors: Kyuhwan KWAK, Daesung HWANG, Seungmin LEE, Hanbyul SEO
  • Publication number: 20200288486
    Abstract: An embodiment of the present disclosure provides a method of performing sidelink (SL) communication by a first apparatus. The method includes transmitting a first sidelink control information (SCI) to a second apparatus through physical sidelink control channel (PSCCH), and transmitting a second SCI to the second apparatus through physical sidelink shared channel (PSSCH) related to the PSCCH, wherein the first SCI includes information for resource of the second SCI.
    Type: Application
    Filed: March 19, 2020
    Publication date: September 10, 2020
    Inventors: Kyuhwan KWAK, Daesung HWANG, Seungmin LEE, Hanbyul SEO
  • Patent number: 10772090
    Abstract: The present invention provides a method for a user equipment to receive downlink data. Particularly, the method includes: receiving information related to one or more control resource sets for downlink control information; receiving rate matching information related to whether or not to receive downlink data in each of the one or more control resource sets; and receiving the downlink data in each of the one or more control sets on the basis of the rate matching information, wherein, if the rate matching information includes first information, the downlink data are not received in the control resource set in which the downlink control information has not been detected.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: September 8, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Kyuhwan Kwak, Seungmin Lee, Hyunho Lee
  • Publication number: 20200281009
    Abstract: The disclosure proposes a method for transmitting/receiving data in a wireless communication system and apparatus for supporting the same. Specifically, a method of transmitting an uplink data channel by a user equipment (UE) in a wireless communication system comprises receiving, from a base station, first downlink control information for scheduling an uplink data channel in an nth transmission time unit, receiving, from the base station, second downlink control information for scheduling an uplink data channel in an n+kth transmission time unit, and when information by the first downlink control information is inconsistent with information by the second downlink control information, transmitting an uplink data channel which is based on the first downlink control information to the base station, wherein the second downlink control information may be discarded by the UE.
    Type: Application
    Filed: April 29, 2019
    Publication date: September 3, 2020
    Inventors: Hyunho LEE, Kyuhwan KWAK