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31.发明申请BASE STATION CONTROL METHOD FOR CONNECTION OF TERMINAL WITH HIGHER PRIORITY AND BASE STATION SUPPORTING THE SAME 审中-公开用于连接具有较高优先级的终端和支持其的基站的基站控制方法公开(公告)号：US20130294233A1
公开(公告)日：2013-11-07
申请号：US13886635
申请日：2013-05-03
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , Industry-Academic Cooperation Foundation, Chosun University
Inventor： Won-Ik Kim , Seokki Kim , Sung Kyung Kim , Mi Young Yun , Hyun Lee , Chul Sik Yoon , Sung Cheol Chang , Seokjoo Shin
IPC: H04W28/04
CPC classification number: H04W74/085 , H04W74/006 , H04W74/0833
Abstract: A method of controlling a base station is disclosed that provides service to a first terminal and a second terminal having higher priority than the first terminal. The base station determines whether there is an influx of call connection attempts when the lower-priority terminal and the higher-priority terminal perform ranging. If it is determined that there is an influx of call connection attempts, the base station sets the initial ranging backoff window size included in an information element of S-SFH SP3 (Secondary-Superframe Header SubPacket3) to a first size. If it is determined that there is an influx of call connection attempts, the base station sets the initial ranging backoff window size for the second terminal in an AAI-SCD (Advanced Air Interface-System Configuration Descriptor) message to a second size. Accordingly, it is possible to achieve a high probability of success of initial ranging of a higher-priority terminal.
Abstract translation: 公开了一种控制基站的方法，其向第一终端和具有比第一终端优先级高的第二终端提供服务。 当低优先级终端和较高优先级终端执行测距时，基站确定是否存在呼叫连接尝试的涌入。 如果确定存在呼叫连接尝试的流入，则基站将包括在S-SFH SP3（Secondary-Superframe Header SubPacket3）的信息元素中的初始测距退避窗口大小设置为第一大小。 如果确定存在呼叫连接尝试的涌入，则基站将AAI-SCD（高级空中接口 - 系统配置描述符）消息中的第二终端的初始测距退避窗口大小设置为第二大小。 因此，可以实现较高优先级终端的初始测距的高成功概率。
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公开(公告)号：US12238723B2
公开(公告)日：2025-02-25
申请号：US17435217
申请日：2020-05-06
Inventor： Sung Cheol Chang
IPC: H04W72/21 , H04L1/1607 , H04L1/1812 , H04W72/1268 , H04W72/23
Abstract: A method for operating a transmission node performing link adaptation in a mobile communication network may include the steps of: receiving, from a resource allocation node, resource allocation information for a resource for transmission of data; determining link adaptation information and transmitting the determined link adaptation information to a reception node; and on the basis of the determined link adaptation information, transmitting the data to the reception node. Therefore, link adaptation accurately reflecting a radio channel state between a base station and terminals can be performed, thereby enabling efficient use of a radio resource.
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公开(公告)号：US10277366B2
公开(公告)日：2019-04-30
申请号：US15010855
申请日：2016-01-29
Inventor： Eunkyung Kim , Seung-Kwon Baek , Chanho Yoon , Jae Sun Cha , Sung Cheol Chang , Young Jo Ko
Abstract: A method and an apparatus for transmitting a resource, and a method for the HARQ retransmission using an unlicensed band include an operation of performing clear channel assessment (CCA) for the unlicensed band; and an operation of occupying a channel of the unlicensed band according to the CCA and determining whether or not the resource is transmitted based on a position of a transmission time interval (TTI) within a channel occupancy time (COT) for the channel.
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公开(公告)号：US10244526B2
公开(公告)日：2019-03-26
申请号：US15349524
申请日：2016-11-11
Inventor： Anseok Lee , Taegyun Noh , Sung Cheol Chang
Abstract: Disclosed are a method and an apparatus for receiving data by decoding a control channel received in unit of a short transmission time interval (sTTI); and receiving, if a first control channel matched with the terminal is determined based on the decoding result, data in a short resource block set (sRBS) including the first control channel.
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35.发明授权公开(公告)号：US10219159B2
公开(公告)日：2019-02-26
申请号：US15012190
申请日：2016-02-01
Inventor： Seung-Kwon Baek , Chanho Yoon , Eunkyung Kim , Jae Sun Cha , Sung Cheol Chang , Young Jo Ko
IPC: H04W72/12 , H04W16/14 , H04W48/20 , H04W52/02 , H04L5/00 , H04W74/08 , H04W24/02 , H04W48/12 , H04W88/06 , H04W36/00
Abstract: There are provided a method and apparatus for transmitting a discovery reference signal (DRS) through transmitting the DRS to a user equipment through a channel of an unlicensed band, receiving measurement report for measurement performed based on the DRS from the user equipment, and scheduling the cell of the unlicensed band based on the measurement report and providing a service to the user equipment through the cell of the unlicensed band.
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Patent Agency Ranking
36.发明授权Discovery signal transmitted in direct communication system, and method of transmitting/receiving the discovery signal 有权在直接通信系统中发送的发现信号，以及发送/接收发现信号的方法公开(公告)号：US09408137B2
公开(公告)日：2016-08-02
申请号：US14058894
申请日：2013-10-21
Inventor： Soojung Jung , Sung Kyung Kim , Seungkwon Cho , Chanho Yoon , Hyung Jin Kim , Sung Cheol Chang , DongSeung Kwon
Abstract: A discovery signal that a first device joining in direct communication broadcasts through a radio channel is provided. The discovery signal includes a first field representing whether the discovery signal is a signal for discovering a device or a signal for discovering a service, and a second field including one of device identifier information of the first device and service information of a service that the first device provides according to a value of the first field.
Abstract translation: 提供了通过无线电信道广播直接通信的第一设备的发现信号。 发现信号包括表示发现信号是用于发现设备的信号还是用于发现服务的信号的第一字段，以及包括第一设备的设备标识符信息和第一设备的服务信息之一的第二字段 设备根据第一个字段的值提供。
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37.发明授权Method and apparatus for detecting collision in wireless multi-access channel 有权用于检测无线多址通道中的碰撞的方法和装置公开(公告)号：US09264175B2
公开(公告)日：2016-02-16
申请号：US14180569
申请日：2014-02-14
Inventor： Sung Geun Jin , Byung Jae Kwak , Jin Kyeong Kim , Sung Cheol Chang , Seung Chan Bang
CPC classification number: H04L1/00 , H04L1/1607 , H04L1/201 , H04W74/00
Abstract: A method and an apparatus for detecting a collision in a wireless multi-access channel are disclosed. The method of detecting the collision in the wireless multi-access according to an exemplary embodiment includes generating a request-to-send (RTS) message by a transmission terminal, transmitting the RTS message to a reception terminal, and receiving a response message from the reception terminal and determining whether a collision occurs based on a number of pieces of tone information included in the response message.
Abstract translation: 公开了一种用于检测无线多址信道中的冲突的方法和装置。 根据示例性实施例的检测无线多址中的冲突的方法包括：生成发送终端的请求发送（RTS）消息，向接收终端发送RTS消息，以及从所述接收终端接收响应消息 接收终端，基于响应消息中包含的多个音调信息来确定是否发生冲突。
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38.发明授权Method of transmitting and receiving data in talk-around direct communication network 有权在谈话直播通信网络中发送和接收数据的方法公开(公告)号：US09204479B2
公开(公告)日：2015-12-01
申请号：US14023862
申请日：2013-09-11
Inventor： Sung Kyung Kim , Soojung Jung , Seungkwon Cho , Hyung Jin Kim , Chanho Yoon , Sung Cheol Chang
CPC classification number: H04W76/023 , H04L5/0007 , H04L5/0032 , H04L5/0037 , H04L5/0094 , H04W4/70 , H04W76/14
Abstract: A method in which a transmitting terminal included in an talk-around direct communication (TDC) network transmits data includes: determining a data frame for transmitting the data; requesting to reserve a data transmission segment included in the data frame through a transmission request segment included in the data frame; receiving a response signal transmitted in a transmission response segment included in the data frame; and analyzing the response signal and transmitting the data through the data transmission segment.
Abstract translation: 包括在通话直接通信（TDC）网络中的发送终端发送数据的方法包括：确定用于发送数据的数据帧; 请求通过包括在数据帧中的传输请求段来保留包括在数据帧中的数据传输段; 接收在所述数据帧中包括的传输响应段中发送的响应信号; 并分析响应信号并通过数据传输段发送数据。
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39.发明授权Method and apparatus for transmitting frames in talk-around direct communication 有权用于在谈话直接通信中发送帧的方法和装置公开(公告)号：US09113482B2
公开(公告)日：2015-08-18
申请号：US13937827
申请日：2013-07-09
Inventor： Seokki Kim , Sung Cheol Chang , Mi Young Yun , Won-Ik Kim , Hyun Lee , Sung Kyung Kim , Chul Sik Yoon
CPC classification number: H04W72/082 , H04B7/2656 , H04W56/003 , H04W72/0446
Abstract: A permutated channel structure based on a block structure in talk-around direct communication is provided. A dedicated subchannel interferes with only one adjacent dedicated subchannel, even with a large synchronization error, by permutating the dedicated subchannels by cyclic shifts, whereby diversity gain can be maintained and interference between adjacent channels can be minimized.
Abstract translation: 提供了一种基于交谈直接通信中的块结构的排列通道结构。 即使具有大的同步误差，专用子信道也仅干扰一个相邻的专用子信道，通过循环移位排列专用子信道，从而可以保持分集增益，并且可以最小化相邻信道之间的干扰。
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公开(公告)号：US20130286819A1
公开(公告)日：2013-10-31
申请号：US13786829
申请日：2013-03-06
Inventor： Eunkyung Kim , Won-Ik Kim , Sung Kyung Kim , Sung Cheol Chang , Seokki Kim , Mi Young Yun , Hyun Lee , Chul Sik Yoon , Kwang Jae Lim
IPC: H04L12/24
CPC classification number: H04L41/0654 , H04L41/0659 , H04W24/04 , H04W88/04
Abstract: A multimode apparatus and a communication method thereof are disclosed. If the multimode apparatus is chosen to serve as a relay station due to a base station having a backhaul link problem, it sets up a first relay link with a first base station. Upon receiving a request for releasing the first relay link from the first base station even though the backhaul link is not restored, the multimode apparatus sets up a second relay link with a second base station, or configures and operates a standalone network or an independent network.
Abstract translation: 公开了一种多模式装置及其通信方法。 如果由于具有回程链路问题的基站而选择多模装置作为中继站，则它建立与第一基站的第一中继链路。 即使回程链路没有恢复，一旦接收到从第一基站释放第一中继链路的请求，则多模设备与第二基站建立第二中继链路，或者配置和操作独立网络或独立网络 。
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