Patents by Inventor Cheul Soon Kim

Cheul Soon Kim 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: 11452093
    Abstract: A method for indicating preemption in a communication system is disclosed. A method for operating a terminal comprises the steps of: receiving, from a base station, information indicating a first resource area, to which a preemption-capable resource belongs, for transmission of first data; receiving resource allocation information of second data from the base station; performing a monitoring operation for detecting a PI indicating a preempted resource for transmission of the first data in the first resource area, when the first resource area overlaps with a second resource area indicated by the resource allocation information; and performing decoding on the basis of the detected PI. Therefore, the performance of the communication system may be improved.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: September 20, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung Hoon Lee, Jung Bin Kim, Cheul Soon Kim, Sung Hyun Moon, Choong Il Yeh
  • Publication number: 20220279590
    Abstract: An operation method of a terminal in a communication system may comprise: receiving, from a base station, a first SSB; determining a RACH occasion associated with the first SSB; transmitting, to the base station, a PRACH preamble in the RACH occasion within a first radio resource to which a first SCS is applied; determining a slot to which the RACH occasion belongs based on a reference radio resource to which a reference SCS is applied instead of the first SCS; determining an RNTI for a random access procedure based on a slot index for the slot; and performing a reception operation of a response for the PRACH preamble by using the RNTI in the first radio resource.
    Type: Application
    Filed: February 25, 2022
    Publication date: September 1, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jung Hoon LEE, Cheul Soon KIM, Sung Hyun MOON
  • Publication number: 20220278816
    Abstract: Disclosed is a method for configuring a bandwidth for supporting a broadband carrier in a communication system. An operation method of a base station comprises the steps of: configuring a first bandwidth part and a second bandwidth part for a terminal; configuring a reserved resource for the first bandwidth part in a resource area in which the first bandwidth part and the second bandwidth part overlap; and performing an operation of transmitting or receiving a second data channel, which is scheduled to the second bandwidth part, together with the terminal by using the reserved resource. Therefore, the performance of the communication system can be improved.
    Type: Application
    Filed: May 19, 2022
    Publication date: September 1, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Hyun MOON, Cheul Soon KIM, Jung Hoon LEE, Jun Hwan LEE, Min Hyun KIM, Ji Hyung KIM, Ju Ho PARK
  • Patent number: 11425705
    Abstract: Disclosed are methods and apparatuses for transmitting and receiving control information in a communication system supporting unlicensed band communication. An operation method of a terminal may comprise receiving, from a base station, first configuration information of a CORESET and second configuration information of a search space associated with the CORESET; receiving, from the base station, third configuration information indicating one or more PDCCH monitoring resource sets associated with the CORESET and the search space; and performing a PDCCH monitoring operation on the one or more PDCCH monitoring resource sets. Therefore, the performance of the communication system can be improved.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: August 23, 2022
    Assignee: Electronics and Telecommunication Research Institute
    Inventors: Sung Hyun Moon, Cheul Soon Kim, Jung Hoon Lee
  • Publication number: 20220255680
    Abstract: A method for reporting sidelink HARQ response information, performed by a terminal, includes the steps of: receiving, from a base station, information on allocation of a PSSCH resource for PSSCH transmission; determining a PSFCH resource for PSFCH reception corresponding to the PSSCH transmission; determining a transmission time point of HARQ response information corresponding to the PSSCH transmission; and transmitting the HARQ response information, corresponding to the PSSCH transmission, to the base station at the determined time point, wherein the transmission time point of the HARQ response information is expressed as a time offset, L, from a time point of the PSFCH resource, and information on the transmission time point of the HARQ response information is transmitted from the base station to the terminal.
    Type: Application
    Filed: June 9, 2020
    Publication date: August 11, 2022
    Inventors: Sung Hyun MOON, Cheul Soon KIM, Jung Hoon LEE
  • Publication number: 20220256572
    Abstract: An operation method of a terminal in a communication system may comprise: receiving, from a base station, an SPS PDSCH; receiving a first PDSCH from the base station; generating SPS HARQ ACK/NACK information for the SPS PDSCH; generating first HARQ ACK/NACK information for the first PDSCH; and when the SPS HARQ-ACK/NACK information is not transmitted in a first slot and transmission of the SPS HARQ-ACK/NACK information is deferred, transmitting both the SPS HARQ ACK/NACK information and the first HARQ ACK/NACK information in a second slot after the first slot.
    Type: Application
    Filed: February 3, 2022
    Publication date: August 11, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Cheul Soon KIM, Jae Heung KIM, Sung Hyun MOON, Jung Hoon LEE, Sung Cheol CHANG
  • Patent number: 11412497
    Abstract: Disclosed are a method and an apparatus for transmitting or receiving uplink feedback information in a communication system. An operation method of a terminal may comprise receiving downlink control information (DCI) from a base station, the DCI including resource allocation information of a physical downlink shared channel (PDSCH); receiving data #n from the base station through the PDSCH indicated by the DCI; generating a hybrid automatic repeat request (HARQ) codebook including an HARQ response bit #n for the data #n and an HARQ response bit #n?1 for data #n?1 received from the base station before the data #n; and transmitting the HARQ codebook to the base station. Therefore, the performance of the communication system can be improved.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: August 9, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Cheul Soon Kim, Jae Heung Kim, Sung Hyun Moon, Jung Hoon Lee
  • Patent number: 11411690
    Abstract: Disclosed are methods and apparatuses for transmitting and receiving data channels in a communication system. An operation method of a terminal in a communication system may comprise receiving, from a base station, resource allocation information of a plurality of physical uplink shared channels (PUSCHs) used for repetitive transmission of a same transport block (TB); identifying a position of each of the plurality of PUSCHs in a time domain based on the resource allocation information; and repeatedly transmitting the same TB to the base station at the position of each of the plurality of PUSCHs. Therefore, performance of the communication system can be improved.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: August 9, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Hyun Moon, Cheul Soon Kim, Seung Kwon Baek, Gi Yoon Park, Ok Sun Park, Jae Su Song
  • Patent number: 11382124
    Abstract: A method and apparatus for transmitting or receiving a control channel in a communication system. A method for transmitting control information by a base station includes: configuring a control resource set including a plurality of REGs; interleaving, on a frequency axis, the plurality of REGs included in the control resource set; configuring an REG pool including at least two interleaved REGs; configuring at least one CCE in the REG pool; and transmitting control information through a search space configured by the at least one CCE. Therefore, the present invention improves performance of a communication system.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: July 5, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Hyun Moon, Jun Hwan Lee, Jung Hoon Lee, Ji Hyung Kim, Ju Ho Park, Cheul Soon Kim, Min Hyun Kim
  • Patent number: 11368275
    Abstract: Disclosed is a method for configuring a bandwidth for supporting a broadband carrier in a communication system. An operation method of a base station comprises the steps of: configuring a first bandwidth part and a second bandwidth part for a terminal; configuring a reserved resource for the first bandwidth part in a resource area in which the first bandwidth part and the second bandwidth part overlap; and performing an operation of transmitting or receiving a second data channel, which is scheduled to the second bandwidth part, together with the terminal by using the reserved resource. Therefore, the performance of the communication system can be improved.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: June 21, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Hyun Moon, Cheul Soon Kim, Jung Hoon Lee, Jun Hwan Lee, Min Hyun Kim, Ji Hyung Kim, Ju Ho Park
  • Publication number: 20220182191
    Abstract: Feedback methods for repetitive uplink transmissions in a communication system are disclosed. An operation method of a terminal may comprise receiving DL data #1 from a base station through a DL data channel #1; receiving DL data #2 from the base station through a DL data channel #2; and when each of a UL control channel #1 on which an HARQ response #1 for the DL data #1 is to be transmitted and a UL control channel #2 on which an HARQ response #2 for the DL data #2 is to be transmitted overlaps with a UL data channel assigned by the base station, transmitting the HARQ response #1 and the HARQ response #2 to the base station through the UL data channel. Therefore, the performance of the communication system can be improved.
    Type: Application
    Filed: February 23, 2022
    Publication date: June 9, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Cheul Soon KIM, Gi Yoon PARK, Ok Sun PARK
  • Publication number: 20220149996
    Abstract: An operation method of a terminal in a communication system may comprise: receiving DCI from a base station; identifying a plurality of start and length indicator values (SLIVs) indicated by a time domain resource assignment field included in the DCI; determining a plurality of PDSCH resources based on the plurality of SLIVs; receiving a plurality of PDSCHs from the base station through the plurality of PDSCH resources; and transmitting, to the base station, a plurality of HARQ-ACKs in response to the plurality of PDSCHs.
    Type: Application
    Filed: November 9, 2021
    Publication date: May 12, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Hyun MOON, Cheul Soon KIM, Jung Hoon LEE
  • Patent number: 11329778
    Abstract: The present invention relates to a resource allocation method and apparatus, and a signal transmission method, which are applicable to various technical scenarios of 5G New Radio (NR). A method for operating a communication node for resource allocation in a communication network includes: allocating first data and a first pilot for a first type service to a first block period of a first subframe; allocating second data and a second pilot for a second type service to a second block period overlapping with the first block period; and transmitting the first subframe to another communication node. Here, at least one of the second data and the second pilot is allocated to an area to which the first data is allocated.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: May 10, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Ji Hung Kim, Jun Hwan Lee, Jung Hoon Lee, Sung Hyun Moon, Ju Ho Park, Cheul Soon Kim
  • Patent number: 11324017
    Abstract: An operation method of a first terminal performing sidelink communication may comprise receiving a first sidelink signal from a second terminal; transmitting a second sidelink signal to a third terminal; comparing feedback priorities for the first sidelink signal and the second sidelink signal in a specific period; and based on a result of comparing the feedback priorities, transmitting or receiving one sidelink feedback signal among a sidelink feedback signal for the first sidelink signal and a sidelink feedback signal for the second sidelink signal in the specific period.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: May 3, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung Hoon Lee, Cheul Soon Kim, Sung Hyun Moon
  • Patent number: 11317380
    Abstract: A method for transmitting data in sidelink communication, performed by a transmitting terminal, may comprise transmitting first control information including first resource allocation information for a first data transmission resource and second resource allocation information for a second data transmission resource; transmitting data through the first data transmission resource; transmitting second control information including the first resource allocation information for the first data transmission resource and the second resource allocation information for the second data transmission resource; and transmitting data through the second data transmission resource.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: April 26, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung Hoon Lee, Jae Heung Kim, Cheul Soon Kim, Sung Hyun Moon
  • Patent number: 11310798
    Abstract: Disclosed are a measurement method and a measurement apparatus for supporting mobility in a communication system. An operation method of a terminal may comprise receiving, from a base station, control information including first information indicating one or more physical uplink shared channel (PUSCH) interlaces configured in an unlicensed band; identifying frequency resources corresponding to the one or more PUSCH interlaces; and transmitting a PUSCH to the base station using the frequency resources of the unlicensed band. Thus, the performance of the communication system can be improved.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: April 19, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Cheul Soon Kim, Sung Hyun Moon, Jung Hoon Lee
  • Publication number: 20220116953
    Abstract: An operation method of a terminal in a communication system may include: selecting one or more control elements among a plurality of control elements included first UCI in consideration of a size of an uplink resource; generating multiplexed UCIs by multiplexing second UCI with the one or more control elements; and transmitting the multiplexed UCIs to a base station by using the uplink resource.
    Type: Application
    Filed: October 7, 2021
    Publication date: April 14, 2022
    Inventors: Cheul Soon KIM, Sung Hyun MOON, Jung Hoon LEE
  • Patent number: 11296829
    Abstract: Feedback methods for repetitive uplink transmissions in a communication system are disclosed. An operation method of a terminal may comprise receiving DL data #1 from a base station through a DL data channel #1; receiving DL data #2 from the base station through a DL data channel #2; and when each of a UL control channel #1 on which an HARQ response #1 for the DL data #1 is to be transmitted and a UL control channel #2 on which an HARQ response #2 for the DL data #2 is to be transmitted overlaps with a UL data channel assigned by the base station, transmitting the HARQ response #1 and the HARQ response #2 to the base station through the UL data channel. Therefore, the performance of the communication system can be improved.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: April 5, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Cheul Soon Kim, Gi Yoon Park, Ok Sun Park
  • Publication number: 20220104258
    Abstract: A method by which a terminal operating in an unlicensed band transmits a signal includes the steps of: receiving, from a base station, configuration information about a carrier; receiving configuration information for configuring N (where N is an integer) guard band(s) for some frequency domains of the carrier; and transmitting a signal to the base station by using a first frequency domain of a bandwidth part belonging to the carrier, wherein the first frequency domain can be a domain excluding the N guard band(s) from the frequency domain of the bandwidth part.
    Type: Application
    Filed: February 6, 2020
    Publication date: March 31, 2022
    Inventors: Sung Hyun MOON, Cheul Soon KIM, Jung Hoon LEE
  • Publication number: 20220104185
    Abstract: A method for receiving a PDCCH by a terminal in a mobile communication system may comprise the steps of: receiving a first PDCCH including first DCI from a base station through a first PDCCH search space; and receiving a second PDCCH including second DCI from the base station through a second PDCCH search space, wherein the first DCI and second DCI are for scheduling the same PDSCH for the same TB or TBs associated with the same HARQ process, are for scheduling different PDSCHs for the same TB or TBs associated with the same HARQ process, or are for scheduling different PDSCHs for different TBs or TBs associated with different HARQ processes. In addition, the first DCI and second DCI may be received from the base station within a time window.
    Type: Application
    Filed: November 9, 2021
    Publication date: March 31, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Hyun MOON, Cheul Soon KIM, Jung Hoon LEE, Min Hyun KIM, Ji Hung KIM, Ju Ho PARK, CHOONG IL YEH, Jun Hwan LEE