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1. 发明授权

US10009903B2 Method and apparatus for measuring downlink interference in OFDM mobile communication system 有权
公开(公告)号：US10009903B2
公开(公告)日：2018-06-26
申请号：US13532115
申请日：2012-06-25
申请人： Younsun Kim , Kiil Kim , Hyojin Lee
发明人： Younsun Kim , Kiil Kim , Hyojin Lee
IPC分类号： H04W24/10 , H04W72/08 , H04J11/00 , H04B17/318 , H04B17/336 , H04W88/08 , H04L5/00 , H04B7/022 , H04B17/24 , H04B17/345
摘要： A method and apparatus for efficiently measuring downlink interference in a Distributed Antenna System (DAS)-based Long Term Evolution Advanced (LTE-A) system with a plurality antennas distributed within the service area of each evolved Node B (eNB), through the use of a Channel Status Information Reference Signal (CSI-RS) method and a muting method, is provided.

2. 发明申请

US20120327800A1 METHOD AND APPARATUS FOR MEASURING DOWNLINK INTERFERENCE IN OFDM MOBILE COMMUNICATION SYSTEM 有权
标题翻译：用于测量OFDM移动通信系统中的下行干扰的方法和装置
公开(公告)号：US20120327800A1
公开(公告)日：2012-12-27
申请号：US13532115
申请日：2012-06-25
申请人： Younsun Kim , Kiil Kim , Hyojin Lee
发明人： Younsun Kim , Kiil Kim , Hyojin Lee
IPC分类号： H04W24/10
CPC分类号： H04W72/082 , H04B7/022 , H04B17/24 , H04B17/318 , H04B17/336 , H04B17/345 , H04J11/0026 , H04J11/005 , H04L5/0048 , H04L5/0073 , H04W88/085 , Y02D70/1244 , Y02D70/1246 , Y02D70/1262 , Y02D70/1264 , Y02D70/146 , Y02D70/442
摘要： A method and apparatus for efficiently measuring downlink interference in a Distributed Antenna System (DAS)-based Long Term Evolution Advanced (LTE-A) system with a plurality antennas distributed within the service area of each evolved Node B (eNB), through the use of a Channel Status Information Reference Signal (CSI-RS) method and a muting method, is provided.
摘要翻译：一种用于在分布式天线系统（DAS）的长期演进高级（LTE-A）系统中有效测量下行链路干扰的方法和装置，其具有分布在每个演进节点B（eNB）的服务区域内的多个天线，通过使用的信道状态信息参考信号（CSI-RS）方法和静音方法。

3. 发明申请

US20120320775A1 FEEDBACK METHOD AND APPARATUS FOR COOPERATIVE COMMUNICATION SYSTEM 有权
标题翻译：反馈通信系统的反馈方法和装置
公开(公告)号：US20120320775A1
公开(公告)日：2012-12-20
申请号：US13525958
申请日：2012-06-18
申请人： Hyojin Lee , Younsun Kim , Kiil Kim , Youngbun Kim
发明人： Hyojin Lee , Younsun Kim , Kiil Kim , Youngbun Kim
IPC分类号： H04W72/02 , H04W72/04 , H04W24/02
CPC分类号： H04W72/0406 , H04B7/024 , H04B17/24 , H04B17/309 , H04B17/336 , H04B17/382 , H04L5/0035 , H04L5/0048 , H04W28/04 , H04W48/20 , H04W72/082 , H04W72/085
摘要： A feedback method and apparatus is provided for facilitating feedback in a Cooperative Multi-Point (CoMP) system in which multiple base stations cooperate with each other for downlink transmission to a terminal. The feedback method of a terminal includes determining whether the terminal is operating in cooperative multi-point mode for receiving data from a plurality of cells; estimating, when the terminal is operating in cooperative multi-point mode, channels of the cells belonging to a measurement set based on channel status information reference signals for the cells; selecting at least one best cell based on a signal-to-interference plus noise ratio based on the estimated channels; and feeding back a cell index and channel information of the best cell.
摘要翻译：提供了一种反馈方法和装置，用于促进多个基站彼此协作以便下行链路传输到终端的协作多点（CoMP）系统中的反馈。终端的反馈方法包括：确定终端是否以协作多点模式操作，用于从多个小区接收数据; 当终端以协同多点模式工作时，基于小区的信道状态信息参考信号估计属于测量集合的小区的信道; 基于估计的信道，基于信号与干扰加噪声比选择至少一个最佳小区; 并反馈最佳小区的小区索引和信道信息。

4. 发明授权

US09525521B2 Method and apparatus for scheduling CoMP user equipment 有权
标题翻译：调度CoMP用户设备的方法和装置
公开(公告)号：US09525521B2
公开(公告)日：2016-12-20
申请号：US13534628
申请日：2012-06-27
申请人： Younsun Kim , Kiil Kim , Cheng Shan , Hyojin Lee , Joonyoung Cho
发明人： Younsun Kim , Kiil Kim , Cheng Shan , Hyojin Lee , Joonyoung Cho
IPC分类号： H04L5/00 , H04W72/12 , H04L25/03
CPC分类号： H04L5/0007 , H04L5/0035 , H04L5/005 , H04L5/0073 , H04L5/0091 , H04L25/03866 , H04W72/1289
摘要： Methods and apparatus are provided for scheduling in a communication system. A Coordinated Multi-point Transmission/Reception (CoMP) set of cells is determined for a terminal that supports a CoMP function. An indicator for use in scheduling one or more cells in the CoMP set and cell information corresponding to the indicator are transmitted to the terminal. Scheduling information with the indicator is transmitted to the terminal.
摘要翻译：提供了用于在通信系统中进行调度的方法和装置。为支持CoMP功能的终端确定协调的多点发送/接收（CoMP）小区集合。用于调度CoMP集中的一个或多个小区的指示符和与该指示符相对应的小区信息被发送到终端。带有指示灯的调度信息被发送到终端。

5. 发明授权

US09125189B2 Feedback method and apparatus for cooperative communication system 有权
公开(公告)号：US09125189B2
公开(公告)日：2015-09-01
申请号：US13525958
申请日：2012-06-18
申请人： Hyojin Lee , Younsun Kim , Kiil Kim , Youngbum Kim
发明人： Hyojin Lee , Younsun Kim , Kiil Kim , Youngbum Kim
IPC分类号： H04W4/00 , H04W72/04 , H04B7/02 , H04W48/20 , H04L5/00 , H04B17/24 , H04B17/309 , H04B17/336 , H04B17/382 , H04W28/04 , H04W72/08
CPC分类号： H04W72/0406 , H04B7/024 , H04B17/24 , H04B17/309 , H04B17/336 , H04B17/382 , H04L5/0035 , H04L5/0048 , H04W28/04 , H04W48/20 , H04W72/082 , H04W72/085
摘要： A feedback method and apparatus is provided for facilitating feedback in a Cooperative Multi-Point (CoMP) system in which multiple base stations cooperate with each other for downlink transmission to a terminal. The feedback method of a terminal includes determining whether the terminal is operating in cooperative multi-point mode for receiving data from a plurality of cells; estimating, when the terminal is operating in cooperative multi-point mode, channels of the cells belonging to a measurement set based on channel status information reference signals for the cells; selecting at least one best cell based on a signal-to-interference plus noise ratio based on the estimated channels; and feeding back a cell index and channel information of the best cell.

6. 发明授权

US09277593B2 Downlink transmission/reception method and apparatus for mobile communication system 有权
标题翻译：下行链路发送/接收方法和移动通信系统的装置
公开(公告)号：US09277593B2
公开(公告)日：2016-03-01
申请号：US13416263
申请日：2012-03-09
申请人： Younsun Kim , Jinkyu Han , Joonyoung Cho , Youngbum Kim , Taeyoung Kim , Hyojin Lee , Hyoungju Ji
发明人： Younsun Kim , Jinkyu Han , Joonyoung Cho , Youngbum Kim , Taeyoung Kim , Hyojin Lee , Hyoungju Ji
IPC分类号： H04W4/00 , H04W99/00 , H04L27/26 , H04W84/04 , H04W88/08
CPC分类号： H04W99/00 , H04L27/2607 , H04W84/045 , H04W88/08
摘要： A downlink transmission/reception apparatus and a method are provided for improving a data rate in a mobile communication based on Orthogonal Frequency Division Multiple Access (OFDMA). The downlink transmission method of a base station in a mobile communication system including at least one femto cell deployed in a macro cell includes generating signals to be mapped to at least one short symbol and a plurality of long symbols in a second type of subframe for the femto cell which differs from a first type of subframe for the macro cell in frequency, the first and second types of subframes being identical with each other in the time domain, and transmitting the at least one short symbol and the plurality of long symbols at predetermined positions in the second type of subframe.
摘要翻译：提供了一种用于改善基于正交频分多址（OFDMA）的移动通信中的数据速率的下行链路发送/接收装置和方法。包括部署在宏小区中的至少一个毫微微小区的移动通信系统中的基站的下行链路传输方法包括生成要被映射到第二类型子帧中的至少一个短符号和多个长符号的信号，用于毫微微小区，其与用于宏小区的频率的第一类型的子帧不同，第一和第二类型的子帧在时域中彼此相同，并且以预定的方式发送所述至少一个短符号和多个长符号第二类子帧中的位置。

7. 发明授权

US08275070B2 Apparatus and method of transmitting/receiving signals using signaling point rotation at mutual cooperation transmission 失效
标题翻译：在相互协作传输时使用信令点旋转发送/接收信号的装置和方法
公开(公告)号：US08275070B2
公开(公告)日：2012-09-25
申请号：US12517949
申请日：2007-12-06
申请人： Hyojin Lee , Hyun-Kyu Chung , Hyun-Seok Ryu , Chung-Gu Kang , Heesoo Lee , Kyung-Mi Park
发明人： Hyojin Lee , Hyun-Kyu Chung , Hyun-Seok Ryu , Chung-Gu Kang , Heesoo Lee , Kyung-Mi Park
IPC分类号： H04L27/20
CPC分类号： H04L27/34 , H04B7/02 , H04B7/026 , H04B7/15592 , H04L27/36 , H04L27/38
摘要： An apparatus for and method of transmitting and/or receiving a signal by using signaling point rotation in mutually cooperative relaying are provided. The apparatus for transmitting a signal includes: a rotated I-channel generation unit rotating a symbol containing data of a first user, by a predetermined angle, and then, obtaining the I-channel (in-phase) component of the rotated symbol; a rotated Q-channel generation unit receiving a symbol rotated by a predetermined angle, of a previous time slot from a node of a second user performing mutually cooperative relaying with the node of the first user, detecting the I-channel component, and obtaining the Q-channel (quadrature-phase) component of a symbol containing data of the second user from the detected I-channel component; and a combining unit combining the I-channel component of the first user generated in the rotated I-channel generation unit and the Q-channel component of the second user generated in the rotated Q-channel generation unit, thereby generating one symbol.
摘要翻译：提供了一种通过在相互协作的中继中使用信令点旋转来发送和/或接收信号的装置和方法。用于发送信号的装置包括：旋转的I信道生成单元，使包含第一用户的数据的符号旋转预定角度，然后获得旋转符号的I信道（同相）分量; 旋转的Q信道生成单元接收从与第一用户的节点进行相互协作中继的第二用户的节点的先前时隙旋转预定角度的符号，检测I信道分量，并获得从检测到的I信道分量的包含第二用户的数据的符号的Q信道（正交相位）分量; 以及组合单元，组合在旋转的I信道生成单元中生成的第一用户的I信道分量和在旋转的Q信道生成单元中生成的第二用户的Q信道分量，从而生成一个符号。

8. 发明申请

US20060254467A1 Method for making spray-dried cement particles 审中-公开
标题翻译：制造喷雾干燥水泥颗粒的方法
公开(公告)号：US20060254467A1
公开(公告)日：2006-11-16
申请号：US11128681
申请日：2005-05-13
申请人： Isaac Farr , Daniel Kearl , William Carty , Hyojin Lee , Ungsoo Kim
发明人： Isaac Farr , Daniel Kearl , William Carty , Hyojin Lee , Ungsoo Kim
IPC分类号： C04B24/00 , C04B2/10
CPC分类号： B28B1/00 , B28B1/001 , B29C64/165 , C04B28/02 , C04B2111/00146 , C04B2111/00181 , C04B24/2641
摘要： A cement composition comprises free-flowing spray-dried unreacted cement particles and a liquid binder. The spray-dried particles may include a poly acid. A method for making a cement composition using spray dried cement particles comprises a) providing cement particles, b) milling or sieving said cement particles so as to produce cement particles having a desired average size, c) adding a liquid carrier to said particles before or after milling so as to form a slurry, d) adding a poly acid to said particles while maintaining the pH of the slurry above about 6, and e) spray-drying the slurry. The resulting particles can be used in conjunction with a liquid binder to form a monolith having a desired shape.
摘要翻译：水泥组合物包括自由流动的喷雾干燥的未反应水泥颗粒和液体粘合剂。喷雾干燥的颗粒可以包括多元酸。使用喷雾干燥的水泥颗粒制备水泥组合物的方法包括a）提供水泥颗粒，b）研磨或筛分所述水泥颗粒，以便生产具有所需平均尺寸的水泥颗粒，c）将液体载体添加到所述颗粒之前或在研磨之后以形成浆料，d）在保持浆料的pH高于约6的同时向所述颗粒中加入多元酸，以及e）喷雾干燥浆料。所得到的颗粒可以与液体粘合剂结合使用以形成具有期望形状的整料。

9. 发明申请

US20100061224A1 TRANSMITTER FOR EXTENDING GUARD INTERVAL FOR INDIVIDUAL USER EQUIPMENT IN OFDMA SYSTEMS 失效
标题翻译：用于扩展OFDMA系统中个人用户设备间隔的发射机
公开(公告)号：US20100061224A1
公开(公告)日：2010-03-11
申请号：US12514409
申请日：2007-10-30
申请人： Taegyun Noh , Minjoong Rim , Byung-Jang Jeong , Hyojin Lee , Hyun-Kyu Chung
发明人： Taegyun Noh , Minjoong Rim , Byung-Jang Jeong , Hyojin Lee , Hyun-Kyu Chung
IPC分类号： H04J11/00
CPC分类号： H04L27/2607 , H04L27/2636 , H04L27/2644
摘要： Provided is a technology for extending a guard interval for individual user equipment in an OFDMA system. The transmitting apparatus includes: a guard interval extension processor for generating symbols with a guard interval extended by copying a part of a current symbol and pasting the copied part to a last part of a previous symbol; a Fourier Transform (FT) processor for receiving the processed symbols from the guard interval extension processor and performing an FT process on the received processed symbols; an Inverse Fast Fourier Transform (IFFT) processor for performing an IFFT process on the FT processed symbols from the FT processor; a mapping processor for mapping outputs of the FT processor to input points of the IFFT processor to load the FT processed frequency-domain data on corresponding sub-carriers; and a cyclic prefix inserter for inserting a cyclic prefix code to output of the IFFT processor.
摘要翻译：提供了一种在OFDMA系统中扩展个人用户设备的保护间隔的技术。发送装置包括：保护间隔延长处理器，用于生成具有通过复制当前符号的一部分并将复制的部分粘贴到先前符号的最后部分而延长的保护间隔的符号; 傅里叶变换（FT）处理器，用于从所述保护间隔扩展处理器接收所处理的符号，并对所接收的已处理符号执行FT处理; 用于对来自FT处理器的经FT处理的符号执行IFFT处理的反快速傅立叶变换（IFFT）处理器; 映射处理器，用于将FT处理器的输出映射到IFFT处理器的输入点，以将FT处理的频域数据加载到相应的子载波上; 以及用于将循环前缀码插入到IFFT处理器的输出的循环前缀插入器。

10. 发明申请

US20120289631A1 AROMATIC DIAMINE AND METHOD FOR MANUFACTURING THE SAME, AND ARAMID FIBER AND METHOD FOR MANUFACTURING THE SAME 审中-公开
标题翻译：芳香族DIAMINE及其制造方法及其制造方法及其制造方法
公开(公告)号：US20120289631A1
公开(公告)日：2012-11-15
申请号：US13519760
申请日：2010-12-29
申请人： Hyojin Lee , In Sik Han
发明人： Hyojin Lee , In Sik Han
IPC分类号： C07C211/51 , C08K5/50 , B29C47/00 , C08K5/3435 , C08L77/00 , C07C209/84 , C08K5/134
CPC分类号： D01F6/605 , C07C209/84 , C07C211/51 , D01F1/10
摘要： Disclosed is aromatic diamine with high purity obtained by efficiently removing impurities and preventing oxidation, and a method for manufacturing the same; and aramid fiber with improved discoloration resistance realized by preventing deterioration in quality even for a long-period exposure to the external environments of sunlight, atmosphere, and moisture, and a method for manufacturing the same.
摘要翻译：公开了通过有效地去除杂质和防止氧化而获得的高纯度的芳族二胺及其制造方法; 以及即使对于阳光，大气和水分的外部环境的长时间暴露也防止质量劣化而实现的具有改善的耐变色性的芳族聚酰胺纤维及其制造方法。

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