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1.发明申请公开(公告)号：US20190165916A1
公开(公告)日：2019-05-30
申请号：US16204212
申请日：2018-11-29
Inventor： Heesoo LEE , Eun Kyung KIM , Tae Joong KIM , Hyun Seo PARK , An Seok LEE , Yu Ro LEE , Hyun LEE
IPC: H04L5/00 , H04W72/04 , H04B17/336
Abstract: An operation method of a terminal in a non-orthogonal multiple access (NOMA) based communication system includes receiving information on a NOMA resource sequence allocated by a base station from the base station; and transmitting data to the base station by using a NOMA resource indicated by the information on the NOMA resource sequence in each data symbol or each data symbol group. Also, the NOMA resource sequence may indicate at least one NOMA resource in a NOMA resource set.
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公开(公告)号：US20180227026A1
公开(公告)日：2018-08-09
申请号：US15877182
申请日：2018-01-22
Inventor： Eun Kyung KIM , Seung Kwon BAEK
IPC: H04B7/06
CPC classification number: H04B7/0617 , H04B7/0695
Abstract: Disclosed are a method and an apparatus for performing communications based on multiple antennas in a communication network. An operation method performed in a multi-antenna performing beamforming in a communication network according to the present disclosure may comprise selecting a beamformer generating a transmission beam for transmitting data to a plurality of communication nodes included in the communication network among a plurality of beamformers included in the multi-antenna; selecting at least one antenna panel corresponding to each of the plurality of communication nodes among a plurality of antenna panels included in the selected beamformer; configuring parameters for respectively allocating independent transmission beams to the plurality of communication nodes based on the selected at least one antenna panel; and transmitting data to the plurality of communication nodes using transmission beams through the plurality of antenna panels based on the configured parameter.
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公开(公告)号：US20190223057A1
公开(公告)日：2019-07-18
申请号：US16244450
申请日：2019-01-10
Inventor： Hyun Seo PARK , Eun Kyung KIM , Tae Joong KIM , An Seok LEE , Yu Ro LEE , Hyun LEE , Heesoo LEE
CPC classification number: H04W36/0016 , H04W36/0085 , H04W36/08 , H04W36/26 , H04W36/38 , H04W76/19 , H04W76/27
Abstract: An operation method of a terminal in a communication system includes transmitting a measurement report message of each of one or more neighbor base stations to a source base station, the one or more neighbor base stations satisfying a handover (HO) preparation event; receiving, from the source base station, a conditional HO command message of each of at least one of neighbor base stations among the one or more neighbor base stations; determining a target base station based on priority of a neighbor base station which satisfies a HO execution event among the at least one of neighbor base stations; and performing a handover with the target base station.
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4.发明申请公开(公告)号：US20190159238A1
公开(公告)日：2019-05-23
申请号：US16197317
申请日：2018-11-20
Inventor： Eun Kyung KIM , Hyun Seo PARK , An Seok LEE , Yu Ro LEE , Hyun LEE , Hee Soo LEE
Abstract: Disclosed are a method and an apparatus for providing low-latency services in a communication system. A downlink communication method may comprise receiving downlink control information (DCI) including resource allocation information from a base station through a control channel of a subframe receiving downlink data from the base station through a data channel of a subframe #n+k indicated by the resource allocation information included in the DCI; and transmitting a first hybrid automatic repeat request (HARM) response for the downlink data to the base station through a control channel of a subframe #n+k+l. Thus, the performance of the communication system can be improved.
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Patent Agency Ranking
公开(公告)号：US20180352601A1
公开(公告)日：2018-12-06
申请号：US15994027
申请日：2018-05-31
Inventor： Hyun Seo PARK , Eun Kyung KIM , Tae Joong KIM , An Seok LEE , Yu Ro LEE , Hyun LEE , Hee Soo LEE
Abstract: Disclosed is an operation method of a terminal in a mobile communication system. The operation method may comprise starting a T310 timer when a physical layer out-of-synchronization occurs in a PDCCH transmitted from a first base station; confirming that an RLF occurs when the PDCCH does not transition to a physical layer in-sync state until the T310 timer expires; performing re-establishment of PDCP layers and RLC layers for all radio bearers except an SRB0; suspending all the radio bearers except the SRB0; performing RRC connection re-establishment with a second base station selected through cell selection; and resuming all the radio bearers when the RRC connection re-establishment with the second base station succeeds.
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公开(公告)号：US20150181611A1
公开(公告)日：2015-06-25
申请号：US14581430
申请日：2014-12-23
Applicant: Industry-Academic Cooperation Foundation Gyeongsang National University , Electronics and Telecommunications Research Institute
Inventor： Bang Chul JUNG , Won Yong SHIN , Hyun Jong YANG , Jae Joon PARK , Kwang Jae LIM , Jae Sun CHA , Eun Kyung KIM , Hyun LEE , Sung Cheol CHANG
IPC: H04W72/08
CPC classification number: H04B7/086 , H04B7/0413 , H04B7/0617 , H04B7/0619 , H04B7/0632 , H04W28/04
Abstract: A communication system configured to send data using an interference alignment scheme is disclosed herein. The disclosed communication system includes an MS and a BS. The disclosed BS sends data using a transmission beamforming matrix that minimizes intra-cell interference. The disclosed MS receives the data using a reception beamforming matrix that minimizes inter-cell interference. The BS sends information about a reference beamforming matrix to the MS, and sends a pilot signal to the MS using the reference beamforming matrix. The MS estimates an effective channel using the reference beamforming matrix, and calculates the intensity of an interference signal from an interference BS.
Abstract translation: 本文公开了配置为使用干扰对准方案发送数据的通信系统。 所公开的通信系统包括MS和BS。 公开的BS使用最小化小区内干扰的发送波束成形矩阵来发送数据。 所公开的MS使用最小化小区间干扰的接收波束形成矩阵来接收数据。 BS向MS发送关于参考波束成形矩阵的信息，并使用参考波束形成矩阵向MS发送导频信号。 MS使用参考波束成形矩阵估计有效信道，并且计算来自干扰BS的干扰信号的强度。
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7.发明申请公开(公告)号：US20210045150A1
公开(公告)日：2021-02-11
申请号：US17082932
申请日：2020-10-28
Inventor： Eun Kyung KIM , Hyun Seo PARK , An Seok LEE , Yu Ro LEE , Hyun LEE , Hee Soo LEE
Abstract: Disclosed are a method and an apparatus for providing low-latency services in a communication system. A downlink communication method may comprise receiving downlink control information (DCI) including resource allocation information from a base station through a control channel of a subframe #n; receiving downlink data from the base station through a data channel of a subframe #n+k indicated by the resource allocation information included in the DCI; and transmitting a first hybrid automatic repeat request (HARQ) response for the downlink data to the base station through a control channel of a subframe #n+k+l. Thus, the performance of the communication system can be improved.
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8.发明申请公开(公告)号：US20190028938A1
公开(公告)日：2019-01-24
申请号：US16040926
申请日：2018-07-20
Inventor： Hyun Seo PARK , Eun Kyung KIM , Tae Joong KIM , An Seok LEE , Yu Ro LEE , Hyun LEE , Hee Soo LEE
CPC classification number: H04W36/0058 , H04W36/00837 , H04W36/30
Abstract: An operation method of a terminal includes receiving configuration information from a serving base station; measuring channel states of the serving base station and a target base station; when a difference between received signal strengths of the serving base station and the target base station is not less than a handover preparation offset, determining that a handover preparation event has occurred and transmitting a measurement report message to the serving base station; and when the difference is equal to or greater than a handover execution offset, determining that a handover execution event has occurred and transmitting a handover indication message informing of execution of a handover to the target base station. The channel state is normal state, abnormal state, or RLF state, and the configuration information indicates a different handover preparation offset and a different handover execution event according to the channel state.
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公开(公告)号：US20180124859A1
公开(公告)日：2018-05-03
申请号：US15800835
申请日：2017-11-01
Inventor： Seung Kwon CHO , Seok Ki KIM , Won Ik KIM , Eun Kyung KIM , Jae Heung KIM , Jae Su SONG , Sung Pil SHIN , Sei Yun SHIN , Mi Young YUN , Soo Jung JUNG , Yun Hee CHO , Tae Joong KIM , Seung Kwon BAEK
CPC classification number: H04W76/12 , H04W8/26 , H04W28/021 , H04W36/0009 , H04W40/246 , H04W56/0025 , H04W84/18 , H04W88/08
Abstract: An operation method of a first communication node, which controls a plurality of communication nodes included in a mobile xhaul network supporting mobility, may comprise performing an attach procedure between the first communication node and a second communication node among the plurality of communication nodes; configuring a path for communications between the second communication node and a third communication node for which attach procedure has been completed among the plurality of communication nodes; and supporting communications of the second communication node and the third communication node using the configured path.
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