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公开(公告)号：US12096512B2
公开(公告)日：2024-09-17
申请号：US17671810
申请日：2022-02-15
Inventor： Sung Cheol Chang , Jae Heung Kim
IPC: H04W8/00 , H04W68/00 , H04W74/0833 , H04W88/04 , H04W92/18
CPC classification number: H04W8/005 , H04W68/005 , H04W74/0841 , H04W88/04 , H04W92/18
Abstract: An operation method of a relay terminal for relaying radio communication between a base station and a remote terminal may comprise: recognizing a relay request of the remote terminal for system information provided by the base station; acquiring the system information from the base station; and transmitting the system information to the remote terminal.
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公开(公告)号：US11611989B2
公开(公告)日：2023-03-21
申请号：US17347662
申请日：2021-06-15
Inventor： Cheul Soon Kim , Jae Heung Kim , Sung Hyun Moon , Jung Hoon Lee , Sung Cheol Chang
Abstract: An operation method of a terminal in a communication system may comprise receiving first random access (RA) configuration information and second RA configuration information from a base station; transmitting a Msg1 to the base station based on the second RA configuration information; receiving a Msg2, which is a response to the Msg1, from the base station; and repeatedly transmitting a Msg3 K times to the base station.
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3.发明授权公开(公告)号：US10575334B2
公开(公告)日：2020-02-25
申请号：US15235956
申请日：2016-08-12
Inventor： Seungkwon Cho , Soojung Jung , Taegyun Noh , Anseok Lee , Sung Cheol Chang
Abstract: A terminal of a communication system transmits a first signal through a physical uplink channel that is allocated within a first radio resource based on a first Transmission Time Interval (TTI) having a first time length at a first step for uplink access, performs the remaining steps for the uplink access using a second radio resource based on the second TTI from a base station, when the terminal may operate based on a second TTI having a second time length smaller than the first time length, and transmits uplink data.
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公开(公告)号：US10440744B2
公开(公告)日：2019-10-08
申请号：US15469558
申请日：2017-03-26
Inventor： Jae Sun Cha , Eunkyung Kim , Jae Joon Park , Seung-Kwon Baek , Pyeong Jung Song , Chanho Yoon , Sung Cheol Chang
Abstract: Disclosed are a base station and a channel access method performing a channel access in a unlicensed band. The channel access method includes: performing channel sensing at least once on a channel of the unlicensed band in a channel sensing period of a frame; and broadcasting a reservation signal for the channel when the channel is empty.
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5.发明授权公开(公告)号：US10425830B2
公开(公告)日：2019-09-24
申请号：US15258954
申请日：2016-09-07
Inventor： Pyeong Jung Song , Hyun Lee , Sung Cheol Chang
Abstract: Disclosed is a mobile communication network system and a network configuring method. The communication network system includes: a common control access network; at least one access network slice added according to a service type requested by a device; a common control core network; and at least one core network slice added according to a service type requested by the device. The access network slice and the core network slice are determined by the service type requested by the device.
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Patent Agency Ranking
公开(公告)号：US10333738B2
公开(公告)日：2019-06-25
申请号：US15173624
申请日：2016-06-04
Inventor： Yu Ro Lee , Kwang Jae Lim , Won-Ik Kim , Taegyun Noh , Sung Cheol Chang
Abstract: A base station defines a short TTI (transmission time interval) equal to the length of one subslot as the minimum unit of a time resource for data transmission in a subframe including a plurality of subslots, determines the RS type the terminal will use for transmission, among a plurality of RS types, based on the positions of RSs (reference signals) within the short TTI, and sends information on the RS type the terminal will use for transmission to the terminal.
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7.发明授权公开(公告)号：US10097206B2
公开(公告)日：2018-10-09
申请号：US15283398
申请日：2016-10-01
Inventor： Taegyun Noh , Hyukjun Oh , Sung Cheol Chang , Jihoon Choi
Abstract: There are provided an encoding method and an encoder performing an encoding by an operation of generating a first output message by encoding an input message based on a first block code, an operation of generating a second output message by encoding some of the input message based on a second block code, and an operation of concatenating the first output message and the second output message.
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公开(公告)号：US09749098B2
公开(公告)日：2017-08-29
申请号：US14707821
申请日：2015-05-08
Inventor： Seung-Kwon Baek , Eunkyung Kim , Kwang Jae Lim , Jae Sun Cha , Sung Cheol Chang
CPC classification number: H04L5/00 , H04L5/0058 , H04W16/32 , H04W48/12 , H04W84/042
Abstract: A method and apparatus of receiving system information of an SeNB, including configuring connection to an MeNB and receiving a RRC Connection Reconfiguration message including the system information of a cell included in a SCG controlled by the SeNB, and a method of sharing frame offset between a MCG controlled by an MeNB and an SCG controlled by an SeNB connected to the MeNB through non-ideal backhaul, including measuring system frame number (SFN) and subframe number (SN) of a cell included in the SCG and sharing the frame offset, which is determined based on the SFN and the SN, with the MeNB or the SeNB are provided.
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9.发明授权Method of direct communication between terminals respectively connected and unconnected to base station 有权分别连接和未连接到基站的终端之间的直接通信方法公开(公告)号：US09198201B2
公开(公告)日：2015-11-24
申请号：US13937803
申请日：2013-07-09
Inventor： Mi Young Yun , Chul Sik Yoon , Hyun Lee , Seokki Kim , Won-Ik Kim , Sung Kyung Kim , Sung Cheol Chang
CPC classification number: H04W76/002 , H04W76/14 , H04W76/40
Abstract: Referring to FIG. 4, if the direct communication terminal 120, among the direct communication terminals 120 and 130 receiving a downlink multicast service from the base station 200 through the forwarding terminal 110, wants to be a talker, the direct communication terminal 120 performs a unicast connection establishment procedure with the forwarding terminal 110, in order to transmit an uplink unicast packet.
Abstract translation: 参考图 如图4所示，直接通信终端120在通过转发终端110从基站200接收下行链路多播服务的直接通信终端120和130中想要成为说话人时，直接通信终端120进行单播连接建立过程 与转发终端110，以便发送上行单播分组。
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10.发明授权公开(公告)号：US09173237B2
公开(公告)日：2015-10-27
申请号：US13665914
申请日：2012-10-31
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , Industry-Academic Cooperation Foundation, Chosun University
Inventor： Won-Ik Kim , Eunkyung Kim , Sung Kyung Kim , Sung Cheol Chang , Mi Young Yun , Seokki Kim , Hyun Lee , Chul Sik Yoon , Kwang Jae Lim , Seokjoo Shin
Abstract: A relay, a terminal, and a communication method of the same are provided. The terminal acting as a relay receives a message including scan duration information from a superordinate HR-BS, and the terminal transmits a message including the scan duration information to a subordinate HR-MS. The terminal receives an A-preamble from the superordinate HR-BS according to the scan duration information.
Abstract translation: 提供了一种中继站，终端站和通信方法。 作为中继站的终端从上级HR-BS接收包括扫描持续时间信息的消息，并且终端向下级HR-MS发送包括扫描持续时间信息的消息。 终端根据扫描持续时间信息从上级HR-BS接收A前置码。
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