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公开(公告)号：US20170202018A1
公开(公告)日：2017-07-13
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
CPC classification number: H04W74/08 , H04W16/14 , H04W74/0816 , H04W88/08
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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22.发明申请MOBILE COMMUNICATION NETWORK SYSTEM AND METHOD FOR COMPOSING NETWORK COMPONENT CONFIGURATIONS 有权移动通信网络系统和组合网络组件配置的方法公开(公告)号：US20170070892A1
公开(公告)日：2017-03-09
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.
Abstract translation: 公开了移动通信网络系统和网络配置方法。 通信网络系统包括：公共控制接入网; 根据由设备请求的服务类型添加至少一个接入网片; 共同控制核心网; 以及根据设备请求的服务类型添加至少一个核心网片。 接入网片和核心网片由设备请求的业务类型决定。
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23.发明申请METHOD AND APPARATUS FOR RECEIVING DATA AND METHOD FOR TRANSMITTING DATA IN MOBILE COMMUNICATION SYSTEM 审中-公开用于接收数据的方法和装置以及用于在移动通信系统中发送数据的方法公开(公告)号：US20160360529A1
公开(公告)日：2016-12-08
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
CPC classification number: H04L25/0224 , H04L5/0048 , H04L5/006 , H04L5/0085 , H04L5/0091 , H04L25/0212 , H04L25/0226 , H04L27/2611 , H04W56/002
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.
Abstract translation: 基站将包括多个子帧的子帧中的等于一个子时隙长度的短TTI（传输时间间隔）定义为用于数据传输的时间资源的最小单位，确定终端将用于传输的RS类型， 在多个RS类型中，基于短TTI内的RS（参考信号）的位置，并发送终端将用于传输到终端的RS类型的信息。
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24.发明申请COOPERATION TRANSMISSION METHOD, TERMINAL AND BASE STATION SUPPORTING THE SAME 审中-公开合作传输方式，终端和基站支持相同公开(公告)号：US20150131577A1
公开(公告)日：2015-05-14
申请号：US14535676
申请日：2014-11-07
Inventor： Eunkyung KIM , Jae Sun CHA , Jae Joon PARK , Hyun LEE , Kwang Jae LIM , Sung Cheol CHANG
CPC classification number: H04B7/024 , H04B7/0617 , H04B7/0619
Abstract: A method of providing cooperative communication to a terminal through a plurality of base stations is provided. A plurality of base stations each transmit a midamble to a terminal, and the terminal measures a channel through a received midamble. The terminal transmits information about the measured channel to at least one of the plurality of base stations.
Abstract translation: 提供了一种通过多个基站向终端提供协作通信的方法。 多个基站各自向终端发送中间码，并且终端通过接收到的中间码测量信道。 终端将关于所测量的信道的信息发送到多个基站中的至少一个。
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公开(公告)号：US20150045033A1
公开(公告)日：2015-02-12
申请号：US14455399
申请日：2014-08-08
Inventor： Eunkyung KIM , Jae Sun CHA , Jae Joon PARK , Hyun LEE , Kwang Jae LIM , Sung Cheol CHANG
CPC classification number: H04B7/15507 , H04W36/00 , H04W88/04
Abstract: A data relay method includes receiving a relay request from a BS, and when the relay request is accepted, relaying data between the BS and at least one external terminal, or the data relay method includes determining relaying between a first terminal among a plurality of terminals, and other remaining terminals excluding the first terminal among the plurality of terminals, and relaying data between the first terminal and the other remaining terminals.
Abstract translation: 数据中继方法包括从BS接收中继请求，当接收到中继请求时，BS与至少一个外部终端之间的中继数据或数据中继方法包括：确定多个终端中的第一终端之间的中继 ，以及在多个终端之中除了第一终端之外的其他剩余终端，并且在第一终端和其他剩余终端之间中继数据。
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Patent Agency Ranking
26.发明申请METHOD AND APPARATUS FOR DETECTING COLLISION IN WIRELESS MULTI-ACCESS CHANNEL 有权用于检测无线多路访问通道中的冲突的方法和装置公开(公告)号：US20140233411A1
公开(公告)日：2014-08-21
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
IPC: H04W74/08
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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27.发明申请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：US20140112235A1
公开(公告)日：2014-04-24
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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公开(公告)号：US20140017991A1
公开(公告)日：2014-01-16
申请号：US13937898
申请日：2013-07-09
Inventor： Sung Cheol CHANG , Mi Young YUN , Seokki KIM , Won-Ik KIM , Hyun LEE , Sung Kyung KIM , Chul Sik YOON
IPC: H04W76/00
Abstract: A signaling method for a terminal that performs direct communication between terminals terminal is disclosed. A transmitting terminal transmits a link establishment request message for establishing a link to a receiving terminal, and the receiving terminal transmits a link establishment response message responding to this message to the transmitting terminal. The link establishment request message includes a field indicating a flow to use if the receiving terminal acquires a token.
Abstract translation: 公开了一种在终端之间执行直接通信的终端的信令方法。 发送终端发送用于建立到接收终端的链路的链路建立请求消息，并且接收终端向发送终端发送响应该消息的链路建立响应消息。 链接建立请求消息包括指示如果接收终端获取令牌时要使用的流的字段。
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公开(公告)号：US20250159688A1
公开(公告)日：2025-05-15
申请号：US19024481
申请日：2025-01-16
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：US20240206000A1
公开(公告)日：2024-06-20
申请号：US18556794
申请日：2022-04-13
Inventor： Cheul Soon KIM , Jae Heung KIM , Sung Hyun MOON , Jung Hoon LEE , Sung Cheol CHANG , Young Jo KO
IPC: H04W76/20 , H04L5/00 , H04W72/1273 , H04W74/0833
CPC classification number: H04W76/20 , H04L5/0051 , H04W72/1273 , H04W74/0833
Abstract: A method and a device for coherent communication are disclosed. An operating method of a terminal comprises the steps of: receiving, from a first TRP, an RRC message including information indicating the performance of reception operations for the first TRP and a second TRP; performing the reception operations for the first TRP and the second TRP to receive a common DL-RS; and allowing communication with the first TRP and/or the second TRP on the basis of the common DL-RS, wherein the common DL-RS is co-transmitted in the first TRP and the second TRP.
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