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公开(公告)号：US11197337B2
公开(公告)日：2021-12-07
申请号：US16244709
申请日：2019-01-10
发明人： Kwangjin Choi , Dongsook Kim , Hanseok Kim , Hwajin Cha
摘要： The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An apparatus and an operation method of a base station in a wireless communication system are provided. The method may include performing data communication with a terminal that is in a first sub-state of a radio connection state, and controlling to change the state of the terminal from the first sub-state to a second sub-state of the radio connection state on the basis of whether data related to the terminal is generated during a transfer duration. Here, the first sub-state is a state in which resources for terminal context information related to the data communication are allocated in a first layer and a second layer, and the second sub-state is a state in which the resource is allocated in the first layer and is released in the second layer.
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公开(公告)号：US10405238B2
公开(公告)日：2019-09-03
申请号：US15161830
申请日：2016-05-23
发明人： Dongho Kwak , Dongsook Kim , Hanseok Kim
IPC分类号： H04L12/835 , H04W28/14 , H04L5/00 , H04L12/841
摘要： A method for managing a buffer by a base station in a wireless communication system is provided. The method includes calculating a transmission delay time that is an average of waiting time of packets transmitted for a predetermined time, identifying whether the calculated transmission delay time is greater than a preset delay time threshold value, and rearranging, if the transmission delay time is greater than the delay time threshold value, a transmission order of the packets in the buffer.
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3.发明授权公开(公告)号：US11463899B2
公开(公告)日：2022-10-04
申请号：US16670062
申请日：2019-10-31
发明人： Jongpil Jung , Hanseok Kim , Dongsook Kim
IPC分类号： H04W24/10
摘要： The method and apparatus relate to a 5th generation (5G) or pre-5G communication system for supporting a higher data rate after a 4th generation (4G) communication system such as long-term evolution (LTE). A method for controlling a measurement operation in a wireless communication system, and an apparatus therefor are provided. The method includes an operation method of a terminal including receiving a message for controlling a measurement operation from a base station, and controlling a measurement operation based on the message. The message including information indicating an object for the application of the controlled measurement operation.
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公开(公告)号：US11284461B2
公开(公告)日：2022-03-22
申请号：US16872667
申请日：2020-05-12
发明人： Dongsook Kim , Dongho Kwak , Hoon Huh
摘要： A method and an apparatus for controlling a packet transmission for a split bearer to reduce latency in a wireless communication system are provided. A method by a third node for controlling a packet transmission for a split bearer connected to a first node and a second node in a wireless communication system includes obtaining information related to a buffer state of each of the first node and the second node, determining a packet arrival time at a terminal through each of the first node and the second node based on the information related to the buffer state of each of the nodes, selecting one of the first node and the second node based on a comparison of the packet arrival time corresponding to the first node with the packet arrival time corresponding to the second node, and transmitting a packet to the terminal through the selected node.
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公开(公告)号：US11246057B2
公开(公告)日：2022-02-08
申请号：US16303914
申请日：2017-05-25
发明人： Dowon Hyun , Hanseok Kim , Dongsook Kim , Abhishek Roy , Jeongwoong Hwang
摘要： The purpose of the present invention is to provide a method and a device for efficiently supporting multi-link transmission regardless of the type of RAT and the types of protocols. The present invention provides a method for aggregating links in an IP layer, and a method by which a multi-packet gateway transmits a packet comprises: confirming information on a link available for a terminal; scheduling a received data packet on the basis of the information on the available link; and transmitting the data packet, wherein the data packet is distributed so as to be transmitted by using the available link.
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6.发明授权公开(公告)号：US11197223B2
公开(公告)日：2021-12-07
申请号：US16874157
申请日：2020-05-14
发明人： Dongsook Kim , Dongho Kwak , Hoon Huh
摘要： A communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT) is provided. The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The disclosure proposes a transmission path determination method and apparatus for latency reduction.
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7.发明授权公开(公告)号：US11184798B2
公开(公告)日：2021-11-23
申请号：US16488479
申请日：2018-02-23
发明人： Dongho Kwak , Dongsook Kim , Hanseok Kim
摘要： The general purpose of the present disclosure is to retransmit data between base stations in a wireless communication system, and an operating method of a base station comprises the steps of: receiving, from another base station, information on unreceived packets; and retransmitting at least one unreceived packet among the unreceived packets to another base station based on the received information, wherein the at least one unreceived packet is determined based on a difference value between an identification number of the unreceived packets and an identification number of a last packet transmitted to the other base station.
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公开(公告)号：US10405149B2
公开(公告)日：2019-09-03
申请号：US15176619
申请日：2016-06-08
发明人： Hanseok Kim , Dongsook Kim , Juyoung Kim , Junhyuk Song , Hyungtaig Lim
摘要： A method and an apparatus for reducing delay in enhanced multimedia broadcast multicast services (eMBMS)-based group communication are provided. The method includes receiving the user packet, including information of a time stamp assigned by a broadcast/multicast service center (BM-SC), from the BM-SC, and transmitting the user packet to a terminal through a physical multicast channel based on information of the time stamp, wherein the time stamp is assigned at an interval set to a value less than a multimedia broadcast multicast services (MBMS) scheduling period.
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公开(公告)号：US20190215890A1
公开(公告)日：2019-07-11
申请号：US16244709
申请日：2019-01-10
发明人： Kwangjin Choi , Dongsook Kim , Hanseok Kim , Hwajin Cha
摘要： The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An apparatus and an operation method of a base station in a wireless communication system are provided. The method may include performing data communication with a terminal that is in a first sub-state of a radio connection state, and controlling to change the state of the terminal from the first sub-state to a second sub-state of the radio connection state on the basis of whether data related to the terminal is generated during a transfer duration. Here, the first sub-state is a state in which resources for terminal context information related to the data communication are allocated in a first layer and a second layer, and the second sub-state is a state in which the resource is allocated in the first layer and is released in the second layer.
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10.发明授权公开(公告)号：US10158753B2
公开(公告)日：2018-12-18
申请号：US15608215
申请日：2017-05-30
发明人： Hyeonje Cho , Hanseok Kim , Dongsook Kim , Dowon Hyun , Soonyoung Yoon
摘要： A voice call quality information generation method and an apparatus of a server for use in a wireless communication system are provided. The voice call quality information generation method includes receiving log information from at least one base station and generating voice call quality information using muting information generated based on the log information.
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