公开(公告)号：US08583051B2

公开(公告)日：2013-11-12

申请号：US13057581

申请日：2009-08-04

申请人： Yong Hwan Lee ,  Seung Hwan Lee

发明人： Yong Hwan Lee ,  Seung Hwan Lee

IPC分类号： H04B17/00

CPC分类号： H04B17/345

摘要： The present invention relates to an apparatus for removing interference between neighbor cells in a radio communication system, and to a method for same. The apparatus according to the present invention includes a receiving unit which receives receiving power information and signal-to-noise ratio information of a neighbor cell base station from multiple receiving antennas, a first determination unit for determining the number of major neighbor cell interference signals by using the received receiving power information and the signal-to-noise ratio information, a second determination unit for determining a candidate signal vector of a target signal in accordance with the determined number of major neighbor cell interference signals, the received signal-to-noise ratio, and the number of the multiple receiving antennas, a third determination unit for determining a candidate signal matrix of the major neighbor cell interference signals on the basis of the determined candidate signal vector of the target signal, and an estimation unit for estimating signals transmitted from the target base station or the neighbor base station by applying the determined candidate signal matrix of the major neighbor cell interference signals to the method of maximum likelihood.

摘要翻译： 本发明涉及一种用于消除无线电通信系统中的相邻小区之间的干扰的装置及其方法。 根据本发明的装置包括：接收单元，其从多个接收天线接收相邻小区基站的接收功率信息和信噪比信息;第一确定单元，用于通过以下步骤确定主相邻小区干扰信号的数量： 使用接收到的接收功率信息和信噪比信息，第二确定单元，用于根据所确定的主要相邻小区干扰信号的数量确定目标信号的候选信号矢量，所接收的信号与噪声 比率和多个接收天线的数量，第三确定单元，用于基于所确定的目标信号的候选信号矢量来确定主相邻小区干扰信号的候选信号矩阵;以及估计单元，用于估计发送的信号 从目标基站或相邻基站通过应用 确定主要相邻小区干扰信号的候选信号矩阵为最大似然方法。

公开(公告)号：US20110183692A1

公开(公告)日：2011-07-28

申请号：US13057581

申请日：2009-08-04

申请人： Yong Hwan Lee ,  Seung-Hwan Lee

发明人： Yong Hwan Lee ,  Seung-Hwan Lee

IPC分类号： H04B15/00 ,  H04B7/26

CPC分类号： H04B17/345

摘要： The present invention relates to an apparatus for removing interference between neighbor cells in a radio communication system, and to a method for same. The apparatus according to the present invention includes a receiving unit which receives receiving power information and signal-to-noise ratio information of a neighbor cell base station from multiple receiving antennas, a first determination unit for determining the number of major neighbor cell interference signals by using the received receiving power information and the signal-to-noise ratio information, a second determination unit for determining a candidate signal vector of a target signal in accordance with the determined number of major neighbor cell interference signals, the received signal-to-noise ratio, and the number of the multiple receiving antennas, a third determination unit for determining a candidate signal matrix of the major neighbor cell interference signals on the basis of the determined candidate signal vector of the target signal, and an estimation unit for estimating signals transmitted from the target base station or the neighbor base station by applying the determined candidate signal matrix of the major neighbor cell interference signals to the method of maximum likelihood. Whereby, the present invention removes interference between neighbor cells in an efficient manner, maintains the performance thereof, and reduces complexity at the receiving end.

摘要翻译： 本发明涉及一种用于消除无线电通信系统中的相邻小区之间的干扰的装置及其方法。 根据本发明的装置包括：接收单元，其从多个接收天线接收相邻小区基站的接收功率信息和信噪比信息;第一确定单元，用于通过以下步骤确定主相邻小区干扰信号的数量： 使用接收到的接收功率信息和信噪比信息，第二确定单元，用于根据所确定的主要相邻小区干扰信号的数量确定目标信号的候选信号矢量，所接收的信号与噪声 比率和多个接收天线的数量，第三确定单元，用于基于所确定的目标信号的候选信号矢量来确定主相邻小区干扰信号的候选信号矩阵;以及估计单元，用于估计发送的信号 从目标基站或相邻基站通过应用 确定主要相邻小区干扰信号的候选信号矩阵为最大似然方法。 由此，本发明以有效的方式去除相邻小区之间的干扰，保持其性能，并降低接收端的复杂度。

公开(公告)号：US20110261861A1

公开(公告)日：2011-10-27

申请号：US13126424

申请日：2009-10-27

申请人： Yong Hwan Lee ,  Seung Hwan Lee

发明人： Yong Hwan Lee ,  Seung Hwan Lee

IPC分类号： H04B1/713

CPC分类号： H04B1/715 ,  H04B2201/709709

摘要： Disclosed are an apparatus and a method for reducing the effect of an interference signal present in the same channel in a frequency hopping spread spectrum (FHSS) system. The apparatus of the present invention comprises: a group classification part for classifying the entire channels of the FHSS system into a certain number of groups according to the channel bandwidth unit of an FS interference signal; an FS interference elimination part for eliminating a group in which an FS interference exists from said certain number of groups based on the packet error rate (PER) of said certain number of groups that have been classified; and an FD interference avoidance part for avoiding interference by transmitting a packet only if an interference signal does not exist by estimating the existence of said FD interference signal based on a time sequence with respect to the channel to be used for the next frequency hopping (FH), when transmitting a signal by utilizing FH using channels wherein said FS interference signal does not exist. Thus, the present invention enables further shortening of the time taken for FS interference avoidance, and efficient avoidance of FD interference, thereby being capable of obtaining enhanced transmission performance.

摘要翻译： 公开了一种降低在跳频扩频（FHSS）系统中存在于相同信道中的干扰信号的影响的装置和方法。 本发明的装置包括：组分类部分，用于根据FS干扰信号的信道带宽单位将FHSS系统的整个信道分类成一定数量的组; FS干扰消除部分，用于基于已经被分类的所述一定数量的组的分组错误率（PER）来消除存在来自所述特定数量组的FS干扰的组; 以及FD干扰避免部分，用于通过基于相对于下一次跳频所使用的信道的时间序列（FH）来估计所述FD干扰信号的存在而不存在干扰信号来发送分组，以避免干扰 ），当使用其中所述FS干扰信号不存在的信道利用FH发送信号时。 因此，本发明能够进一步缩短FS干扰避免所需的时间，并且有效地避免FD干扰，从而能够获得增强的传输性能。

公开(公告)号：US08761227B2

公开(公告)日：2014-06-24

申请号：US13126424

申请日：2009-10-27

申请人： Yong Hwan Lee ,  Seung Hwan Lee

发明人： Yong Hwan Lee ,  Seung Hwan Lee

IPC分类号： H04B1/00

CPC分类号： H04B1/715 ,  H04B2201/709709

摘要： The apparatus of the present invention comprises a group classification part for classifying the entire channels of the FHSS system into a certain number of groups according to the channel bandwidth unit of an FS interference signal; an FS interference elimination part for eliminating a group in which an FS interference exists from said certain number of groups based on the packet error rate (PER) of said certain number of groups that have been classified; and an FD interference avoidance part for avoiding interference by transmitting a packet only if an interference signal does not exist by estimating the existence of said FD interference signal based on a time sequence with respect to the channel to be used for the next frequency hopping (FH), when transmitting a signal by utilizing FH using channels wherein said FS interference signal does not exist.

摘要翻译： 本发明的装置包括：组分类部分，用于根据FS干扰信号的信道带宽单位将FHSS系统的整个信道分类成一定数量的组; FS干扰消除部分，用于基于已经被分类的所述一定数量的组的分组错误率（PER）来消除存在来自所述特定数量组的FS干扰的组; 以及FD干扰避免部分，用于通过基于相对于下一次跳频所使用的信道的时间序列（FH）来估计所述FD干扰信号的存在而不存在干扰信号来发送分组，以避免干扰 ），当使用其中所述FS干扰信号不存在的信道利用FH发送信号时。

公开(公告)号：US09397734B2

公开(公告)日：2016-07-19

申请号：US13639845

申请日：2011-04-06

申请人： Yong Hwan Lee ,  Hee-Nam Cho ,  Jin-Woo Lee

发明人： Yong Hwan Lee ,  Hee-Nam Cho ,  Jin-Woo Lee

IPC分类号： H04B7/04 ,  H04W24/10 ,  H04B7/06

CPC分类号： H04B7/0417 ,  H04B7/0434 ,  H04B7/0452 ,  H04B7/0478 ,  H04B7/0617 ,  H04B7/0639 ,  H04B7/0641 ,  H04B7/0647 ,  H04W24/10

摘要： A method of signal transmission based on differentially quantized channel information in a multi-antenna wireless communication system which can transmit signal to multiple mobile stations simultaneously through multiple transmit antennas includes a main codebook reporting step of each mobile station for quantizing channel correlation information (CCI) using a main-codebook and reporting an index of the main codebook, which corresponds to the quantized CCI, to a base station. A sub-codebook reporting step of each mobile station for quantizing the change of the CCI between the quantization interval using a sub-codebook and reporting an index of the sub-codebook, which corresponds to the quantized CCI change, to a base station. A multi-user eigen-beam transmission step of the base station for generating multiple eigen-beams using the index of the main-codebook or sub-codebook reported from mobile stations and transmitting them to multiple users simultaneously.

摘要翻译： 一种能够通过多个发送天线同时发送信号到多个移动站的多天线无线通信系统中的基于差分量化信道信息的信号发送方法，包括：每个移动站的主码本报告步骤，用于量化信道相关信息（CCI） 使用主码本并将与量化的CCI对应的主码本的索引报告给基站。 每个移动站的子码本报告步骤，用于使用子码本量化量化间隔之间的CCI的变化，并将对应于量化的CCI改变的子码本的索引报告给基站。 基站的多用户特征波束发送步骤，用于使用从移动台报告的主码本或子码本的索引来生成多个本征波束，并将它们同时发送到多个用户。

公开(公告)号：US09136034B2

公开(公告)日：2015-09-15

申请号：US13394523

申请日：2010-08-25

申请人： Moo-Seok Lee ,  Yong-Cheol Shin ,  Jae Hee Ryu ,  Na Young Kim ,  Kyoung-Ju Kim ,  Chul Ki Kim ,  Yong Hwan Lee ,  Yun Kyung Kang

发明人： Moo-Seok Lee ,  Yong-Cheol Shin ,  Jae Hee Ryu ,  Na Young Kim ,  Kyoung-Ju Kim ,  Chul Ki Kim ,  Yong Hwan Lee ,  Yun Kyung Kang

IPC分类号： H01B1/12 ,  C08J5/22 ,  H01M8/02 ,  H01M8/10

CPC分类号： H01B1/122 ,  C08J5/2275 ,  C08J2339/06 ,  C08J2381/02 ,  H01M8/0293 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/106 ,  H01M8/1062 ,  H01M2300/0088 ,  Y02E60/521

摘要： The present disclosure relates to a polymer electrolyte membrane having a construction wherein an ionomer is charged in pores of a nanoweb having a high melting point, being insoluble in an organic solvent and having excellent pore characteristics, under optimum conditions. Therefore, an overall thickness of the electrolyte membrane may be reduced, thereby attaining advantages such as decrease in ohmic loss, reduction of material costs, excellent heat resistance, low thickness expansion rate which in turn prevents proton conductivity from being deteriorated over a long term. The polymer electrolyte membrane of the present invention comprises a porous nanoweb having a melting point of 300□ or more and being insoluble in an organic solvent of NMP, DMF, DMA, or DMSO at room temperature; and an ionomer which is charged in pores of the porous nanoweb and contains a hydrocarbon material soluble in the organic solvent at room temperature.

摘要翻译： 本公开内容涉及一种具有这样一种结构的聚合物电解质膜，其中在最佳条件下，将离聚物加入具有高熔点的纳米纤维网的孔中，不溶于有机溶剂并具有优异的孔特性。 因此，可以降低电解质膜的整体厚度，从而获得诸如欧姆损耗降低，材料成本降低，耐热性优异，低厚度膨胀率的优点，从而防止质子传导性长期劣化。 本发明的高分子电解质膜包含在室温下熔点为300□以上且不溶于NMP，DMF，DMA或DMSO的有机溶剂的多孔纳米纤维网; 和离子交联聚合物，其装入多孔纳米纤维网的孔中，并含有在室温下可溶于有机溶剂的烃类物质。

公开(公告)号：US20110261675A1

公开(公告)日：2011-10-27

申请号：US12991426

申请日：2009-05-06

申请人： Yong Hwan Lee ,  Jae Yun Ko ,  Seung Hyeon Yang

发明人： Yong Hwan Lee ,  Jae Yun Ko ,  Seung Hyeon Yang

IPC分类号： H04W4/00 ,  H04J11/00

CPC分类号： H04B7/04 ,  H04B7/0639 ,  H04L5/0023 ,  H04L25/0208 ,  H04L25/0232 ,  H04L25/0242 ,  H04L25/0246 ,  H04L27/2601

摘要： Disclosed are a channel information generating device and a method for spatial division multiplexing algorithm in a wireless communication system and data transmission apparatus and a method adopting the same. According to one embodiment of the present invention, a channel information generating device for space division multiplexing algorithm in an orthogonal frequency division multiplexing (OFDM)-based wireless communication system using multi-input/multi-output (MIMO) antennas comprises: a codebook storage where pre-defined codebooks are stored; a channel correlation information calculator which receives channel information corresponding to each of the sub-carriers and calculates information on a channel correlation coefficient between the sub-carriers, based on the received channel information; an index calculator which calculates an index of an optimal matrix out of the matrices stored in the codebook storage, based on the channel information, the channel correlation coefficient information and the codebook; and a transmission section which transmits to an opponent transmitter the channel correlation coefficient information and index information on the optimal matrix.

摘要翻译： 公开了一种在无线通信系统和数据传输装置中的信道信息产生装置和空分复用算法的方法及采用该方法的方法。 根据本发明的一个实施例，在使用多输入/多输出（MIMO）天线的基于正交频分复用（OFDM）的无线通信系统中的用于空分复用算法的信道信息产生装置包括：码本存储 其中存储预定义码本; 信道相关信息计算器，其基于所接收的信道信息，接收与所述子载波对应的信道信息，并计算关于所述子载波之间的信道相关系数的信息; 索引计算器，其基于所述信道信息，所述信道相关系数信息和所述码本来计算存储在所述码本存储器中的矩阵中的最优矩阵的索引; 以及传输部分，向对方发射机发送关于最佳矩阵的信道相关系数信息和索引信息。

公开(公告)号：US20130271306A1

公开(公告)日：2013-10-17

申请号：US13602770

申请日：2012-09-04

申请人： In Su Jang ,  Seong Hoon Choi ,  Jang Hyun Park ,  Chang Beom Kim ,  Ji Hun Eo ,  Jae Dong Lee ,  Yong Hwan Lee ,  Young Chan Jang

发明人： In Su Jang ,  Seong Hoon Choi ,  Jang Hyun Park ,  Chang Beom Kim ,  Ji Hun Eo ,  Jae Dong Lee ,  Yong Hwan Lee ,  Young Chan Jang

IPC分类号： H03M1/12

CPC分类号： G06F3/05 ,  H03M1/1205

摘要： The present invention, which relates to an apparatus for collecting data at multi-points, suggests an apparatus connecting analog blocks obtaining the same channel data in series with each other and connecting analog blocks obtaining different channel data in parallel with each other to collect data. The suggested apparatus includes a channel data collecting group including at least two channel data collecting units having data obtaining modules collecting channel data at different points and connected in series with each other; and a channel data processing unit including the channel data collecting units connected in parallel with each other and controlling each of the data obtaining module so as to allow each of the channel obtaining module to shift the channel data by a predetermined size.

摘要翻译： 涉及多点收集数据的装置的本发明提出了一种将获得相同信道数据的模拟块彼此串联连接的装置，并且将获得不同信道数据的模拟块彼此并联连接以收集数据。 所提出的装置包括：通道数据采集组，包括至少两个通道数据采集单元，具有数据获取模块，其在不同点收集通道数据并串联连接; 以及通道数据处理单元，其包括彼此并联连接的通道数据采集单元，并且控制每个数据获取模块，以便允许每个通道获取模块将通道数据移位预定尺寸。

公开(公告)号：US07457356B2

公开(公告)日：2008-11-25

申请号：US10979829

申请日：2004-11-01

申请人： Yong Hwan Lee ,  Jong Moon Kim

发明人： Yong Hwan Lee ,  Jong Moon Kim

IPC分类号： H03K5/159

CPC分类号： H04L25/03146 ,  H04L2025/03382 ,  H04L2025/0349 ,  H04L2025/03509 ,  H04L2025/03605 ,  H04L2025/0377

摘要： A method of initializing an equalizer of VSB DTV receiver and an equalizer using the same are provided. The method includes the steps of: obtaining a channel estimation value by estimating an impulse response of a channel from a received signal, initializing a backward filter by using the channel estimation value; generating an imaginary training signal by an arithmetical operation for the channel estimation value and a generated known training sequence; and initializing a forward filter by using the imaginary training signal.

摘要翻译： 提供了一种初始化VSB DTV接收机的均衡器和使用其的均衡器的方法。 该方法包括以下步骤：通过从接收信号估计信道的脉冲响应，通过使用信道估计值初始化反向滤波器来获得信道估计值; 通过用于信道估计值的算术运算和产生的已知训练序列来产生虚拟训练信号; 并通过使用虚拟训练信号来初始化正向滤波器。

公开(公告)号：US06613323B2

公开(公告)日：2003-09-02

申请号：US09735660

申请日：2000-12-14

申请人： Boung-Jun Oh ,  Young Soon Kim ,  Moon Kyung Ko ,  Hyun Hwa Lee ,  Chae Eun Song ,  Yong Hwan Lee ,  Cheol-Yong Bae

发明人： Boung-Jun Oh ,  Young Soon Kim ,  Moon Kyung Ko ,  Hyun Hwa Lee ,  Chae Eun Song ,  Yong Hwan Lee ,  Cheol-Yong Bae

IPC分类号： A61K3846

CPC分类号： C12N15/8282 ,  A01N63/02 ,  A01N65/08 ,  C12N9/18

摘要： This invention relates to the use of enzymes for protection of plants against phytopathogenic fungi. In particular, the invention relates to the use of enzymes showing esterase activity for protecting plants against phytopathogenic fungi by inhibition of fungal appressorium formation. In addition, the invention relates to the use of recombinant pepper esterase expressed by using Escherichia coli to protect plants against phytopathogenic fungi by inhibition of fungal appressorium formation.