Patents by Inventor Ji Hung Kim
Ji Hung 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).
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Publication number: 20230362950Abstract: 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: ApplicationFiled: July 18, 2023Publication date: November 9, 2023Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sung Hyun MOON, Cheul Soon KIM, Jung Hoon LEE, Min Hyun KIM, Ji Hung KIM, Ju Ho PARK, CHOONG IL YEH, Jun Hwan LEE
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Patent number: 11751215Abstract: 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: GrantFiled: November 9, 2021Date of Patent: September 5, 2023Assignee: Electronics and Telecommunications Research InstituteInventors: Sung Hyun Moon, Cheul Soon Kim, Jung Hoon Lee, Min Hyun Kim, Ji Hung Kim, Ju Ho Park, Choong Il Yeh, Jun Hwan Lee
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Patent number: 11329778Abstract: 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: GrantFiled: October 31, 2017Date of Patent: May 10, 2022Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Ji Hung Kim, Jun Hwan Lee, Jung Hoon Lee, Sung Hyun Moon, Ju Ho Park, Cheul Soon Kim
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Publication number: 20220104185Abstract: 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: ApplicationFiled: November 9, 2021Publication date: March 31, 2022Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sung Hyun MOON, Cheul Soon KIM, Jung Hoon LEE, Min Hyun KIM, Ji Hung KIM, Ju Ho PARK, CHOONG IL YEH, Jun Hwan LEE
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Patent number: 11206655Abstract: 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: GrantFiled: August 8, 2018Date of Patent: December 21, 2021Assignee: Electronics and Telecommunications Research InstituteInventors: Sung Hyun Moon, Cheul Soon Kim, Jung Hoon Lee, Min Hyun Kim, Ji Hung Kim, Ju Ho Park, Choong Il Yeh, Jun Hwan Lee
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Publication number: 20210359804Abstract: 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: ApplicationFiled: October 31, 2017Publication date: November 18, 2021Inventors: Ji Hung KIM, Jun Hwan LEE, Jung Hoon LEE, Sung Hyun MOON, Ju Ho PARK, Cheul Soon KIM
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Publication number: 20200221428Abstract: 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: ApplicationFiled: August 8, 2018Publication date: July 9, 2020Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sung Hyun MOON, Cheul Soon KIM, Jung Hoon LEE, Min Hyun KIM, Ji Hung KIM, Ju Ho PARK, CHOONG IL YEH, Jun Hwan LEE
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Publication number: 20150208370Abstract: Disclosed are a time synchronization method and apparatus in a wireless network. The time synchronization method includes estimating a round trip delay (RTD) time among the plurality of small base stations, generating time information for time synchronization among the plurality of small base stations based on the RTD time, and transmitting the time information to the plurality of small base stations. Therefore, it is possible to synchronizing a time between the base stations.Type: ApplicationFiled: January 20, 2015Publication date: July 23, 2015Inventors: Ji Hung KIM, Jun Hwan LEE
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Patent number: 8929314Abstract: The embodiments of the present invention are directed to a method and apparatus that synchronize radio nodes using preambles in a radio communication system. An embodiment of the present invention relates to a method of transmitting preambles by a radio node. The method includes generating a first preamble indicating a system bandwidth and a carrier configuration, generating a second preamble indicating a segment identifier used for obtaining a node identifier, allocating the first preamble to a first preamble carrier set, allocating the second preamble to a second preamble carrier set corresponding to the segment identifier, and transmitting the first preamble to a receiving node through the first preamble carrier set and the second preamble to the receiving node through the second preamble carrier set.Type: GrantFiled: July 17, 2012Date of Patent: January 6, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Jung Hyun Kim, Ji Hung Kim, Hyun Jae Kim, Kwang Jae Lim, Dong Seung Kwon
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Publication number: 20130182656Abstract: The embodiments of the present invention are directed to a method and apparatus that synchronize radio nodes using preambles in a radio communication system. An embodiment of the present invention relates to a method of transmitting preambles by a radio node. The method includes generating a first preamble indicating a system bandwidth and a carrier configuration, generating a second preamble indicating a segment identifier used for obtaining a node identifier, allocating the first preamble to a first preamble carrier set, allocating the second preamble to a second preamble carrier set corresponding to the segment identifier, and transmitting the first preamble to a receiving node through the first preamble carrier set and the second preamble to the receiving node through the second preamble carrier set.Type: ApplicationFiled: July 17, 2012Publication date: July 18, 2013Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jung Hyun Kim, Ji Hung Kim, Hyun Jae Kim, Kwang Jae Lim, Dong Seung Kwon
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Publication number: 20130159554Abstract: There is provided a method of performing distributed synchronization in an Ad hoc network system. The method includes receiving a signal, including a reception time point change period, through a plurality of nodes, changing a reception time point at which the signal is received through the plurality of nodes within the reception time point change period so that the reception time point is included in a preset Cyclic Prefix (CP) period, changing a Fast Fourier Transform (FFT) start time point which is a time point at which data starts being recovered based on the changed reception time point, and changing the reference point of the transmission time point of each of the plurality of nodes based on a difference value between the preset reference point of the FFT start time point and the changed FFT start time point. The method has smaller overhead.Type: ApplicationFiled: July 16, 2012Publication date: June 20, 2013Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Ji Hung KIM, Jung Hyun Kim, Hyun Jae Kim, Kwang Jae Lim, Dong Seung Kwon
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Patent number: 8347172Abstract: Disclosed is a decoding method and device for low density parity check codes using dynamic scheduling. The low density parity check codes are sequentially decoded, and the messages are scheduled in the descending order of the difference between values before and after updating the message transmitted from the variable node to the check node.Type: GrantFiled: July 2, 2009Date of Patent: January 1, 2013Assignees: Electronics and Telecommunications Research Institute, Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Dong Seung Kwon, Choongil Yeh, Min Sik Seo, Young Seog Song, Byung-Jae Kwak, Ji Hung Kim, Wooram Shin, Hong-Yeop Song, Jung-Hyun Kim, Mi-Young Nam
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Publication number: 20120039271Abstract: A method and apparatus for distributed scheduling within an orthogonal frequency division multiple access (OFDMA)-based wireless mesh network may be provided. A requester and a granter in the wireless mesh network may perform three way-handshaking using distributed scheduling messages. A plurality of distributed scheduling messages may use different sub-channels. The request may reserve sub-channels to be used by respective scheduling messages.Type: ApplicationFiled: August 1, 2011Publication date: February 16, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Hyun Jae KIM, Woo Ram Shin, An Seok Lee, Kwang Jae Lim, Keun Young Kim, Ji Hung Kim, Dong Seung Kwon
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Publication number: 20110054684Abstract: In an operating system having a first controller configured to manage one or more robots included in a first region, and a second controller configured to manage one or more robots included in a second region adjacent to the first region, a method for enabling the second controller to acquire an operation right of N robots (where N is a natural number equal to or greater than 1) operated by the first controller, the method includes: transmitting a control mapping status (CMS) containing an operation right change message to the first controller, upon reception of an operation right request signal from a user of the N robots; and checking a connection status of the N robots, upon reception of the CMS containing the operation right change message from the first controller, and acquiring an operation right by providing CMS acquisition information and control mapping information to the robots included in the second region.Type: ApplicationFiled: September 1, 2010Publication date: March 3, 2011Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, SAMSUNG THALES CO., LTD.Inventors: Beom-Su SEO, Sung-Hoon KIM, Kyeong-Ho LEE, Joong-Bae KIM, Myung-Chan ROH, Choul-Soo JANG, Seung-Woog JUNG, Seung-Ik LEE, Yoon-Ju LEE, Ji-Hung KIM, Hyun-Chul PARK, Joong-Ki PARK
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Publication number: 20100153811Abstract: Disclosed is a decoding method and device for low density parity check codes using dynamic scheduling. The low density parity check codes are sequentially decoded, and the messages are scheduled in the descending order of the difference between values before and after updating the message transmitted from the variable node to the check node.Type: ApplicationFiled: July 2, 2009Publication date: June 17, 2010Applicants: Electronics and Telecommunications Research Institute, Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Dong Seung KWON, Choongil YEH, Min Sik SEO, Young Seog SONG, Byung-Jae KWAK, Ji Hung KIM, Wooram SHIN, Hong-Yeop SONG, Jung-Hyun KIM, Mi-Young NAM