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。

公开(公告)号：US20100039927A1

公开(公告)日：2010-02-18

申请号：US12514406

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 ,  H04W72/00

CPC分类号： H04L5/0007 ,  H04J11/00 ,  H04L5/0028 ,  H04L5/0048 ,  H04L25/0226 ,  H04L27/0008 ,  H04L27/2607 ,  H04L27/262

摘要： Provided are a pilot transmitting apparatus and method capable of selectively using an OFDMA scheme and an SC-FDMA scheme. The pilot transmitting apparatus includes a pilot inserter for inserting a pilot signal in a modulated symbol and inserting a cyclic prefix code for the inserted pilot signal, an FFT processor for receiving symbols with a pilot inserted thereto from the pilot inserter and performing an FFT process on the received symbols, an IFFT processor for receiving the transformed data from the FFT processor and performing an IFFT process on the transformed data, a mapping processor for mapping the output of the FFT processor to input positions of the IFFT processor to load the frequency domain transformed data on predetermined sub-carriers, and a cyclic prefix inserter for inserting a cyclic prefix code for the output of the IFFT processor.

摘要翻译： 提供能够选择性地使用OFDMA方案和SC-FDMA方案的导频发送装置和方法。 导频发送装置包括：导频插入器，用于将调制符号中的导频信号插入并插入用于插入的导频信号的循环前缀码; FFT处理器，用于从导频插入器插入导频的导频接收符号，并对 接收的符号，用于从FFT处理器接收经变换的数据并对变换的数据执行IFFT处理的IFFT处理器，用于将FFT处理器的输出映射到IFFT处理器的输入位置以加载变频的域的映射处理器 关于预定子载波的数据，以及用于插入用于IFFT处理器的输出的循环前缀码的循环前缀插入器。

公开(公告)号：US09071391B2

公开(公告)日：2015-06-30

申请号：US12514406

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 ,  H04L5/00 ,  H04L25/02 ,  H04L27/00 ,  H04L27/26

CPC分类号： H04L5/0007 ,  H04J11/00 ,  H04L5/0028 ,  H04L5/0048 ,  H04L25/0226 ,  H04L27/0008 ,  H04L27/2607 ,  H04L27/262

摘要： Provided are a pilot transmitting apparatus and method capable of selectively using an OFDMA scheme and an SC-FDMA scheme. The pilot transmitting apparatus includes a pilot inserter for inserting a pilot signal in a modulated symbol and inserting a cyclic prefix code for the inserted pilot signal, an FFT processor for receiving symbols with a pilot inserted thereto from the pilot inserter and performing an FFT process on the received symbols, an IFFT processor for receiving the transformed data from the FFT processor and performing an IFFT process on the transformed data, a mapping processor for mapping the output of the FFT processor to input positions of the IFFT processor to load the frequency domain transformed data on predetermined sub-carriers, and a cyclic prefix inserter for inserting a cyclic prefix code for the output of the IFFT processor.

摘要翻译： 提供能够选择性地使用OFDMA方案和SC-FDMA方案的导频发送装置和方法。 导频发送装置包括：导频插入器，用于将调制符号中的导频信号插入并插入用于插入的导频信号的循环前缀码; FFT处理器，用于从导频插入器插入导频的导频接收符号，并对 接收的符号，用于从FFT处理器接收经变换的数据并对变换的数据执行IFFT处理的IFFT处理器，用于将FFT处理器的输出映射到IFFT处理器的输入位置以加载变频的域的映射处理器 关于预定子载波的数据，以及用于插入用于IFFT处理器的输出的循环前缀码的循环前缀插入器。

公开(公告)号：US08295156B2

公开(公告)日：2012-10-23

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。

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。

公开(公告)号：US20100316165A1

公开(公告)日：2010-12-16

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。

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。

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.

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。

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。