Method of initializing equalizer of digital television receiver and equalizer using the same
    1.
    发明授权
    Method of initializing equalizer of digital television receiver and equalizer using the same 失效
    使用数字电视接收机和均衡器初始化均衡器的方法

    公开(公告)号:US07457356B2

    公开(公告)日:2008-11-25

    申请号:US10979829

    申请日:2004-11-01

    IPC分类号: H03K5/159

    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。

    Method for differentially quantizing channel information in multi-antenna wireless systems and system adopting the same
    2.
    发明授权
    Method for differentially quantizing channel information in multi-antenna wireless systems and system adopting the same 有权
    多天线无线系统信道信息差分量化方法及采用该方法的系统

    公开(公告)号:US09397734B2

    公开(公告)日:2016-07-19

    申请号:US13639845

    申请日:2011-04-06

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

    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。

    Polymer electrolyte membrane for a fuel cell, and method for preparing same
    3.
    发明授权
    Polymer electrolyte membrane for a fuel cell, and method for preparing same 有权
    燃料电池用聚合物电解质膜及其制备方法

    公开(公告)号:US09136034B2

    公开(公告)日:2015-09-15

    申请号:US13394523

    申请日:2010-08-25

    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。

    CHANNEL INFORMATION GENERATING DEVICE AND METHOD FOR SPATIAL DIVISION MULTIPLEXING ALGORITHM IN A WIRELESS COMMUNICATION SYSTEM, AND DATA TRANSMISSION APPARATUS AND METHOD ADOPTING THE SAME
    4.
    发明申请
    CHANNEL INFORMATION GENERATING DEVICE AND METHOD FOR SPATIAL DIVISION MULTIPLEXING ALGORITHM IN A WIRELESS COMMUNICATION SYSTEM, AND DATA TRANSMISSION APPARATUS AND METHOD ADOPTING THE SAME 有权
    信道信息生成装置和无线通信系统中的空间分割多路复用算法的方法,以及数据传输装置和采用该方法的方法

    公开(公告)号:US20110261675A1

    公开(公告)日:2011-10-27

    申请号:US12991426

    申请日:2009-05-06

    IPC分类号: H04W4/00 H04J11/00

    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。

    Apparatus for removing interference between neighbor cells in a radio communication system, and method for same
    5.
    发明授权
    Apparatus for removing interference between neighbor cells in a radio communication system, and method for same 有权
    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

    公开(公告)号:US08583051B2

    公开(公告)日:2013-11-12

    申请号:US13057581

    申请日:2009-08-04

    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。

    APPARATUS AND METHOD FOR COLLECTING DATA AT MULTI-POINTS
    6.
    发明申请
    APPARATUS AND METHOD FOR COLLECTING DATA AT MULTI-POINTS 审中-公开
    用于收集多点数据的装置和方法

    公开(公告)号:US20130271306A1

    公开(公告)日:2013-10-17

    申请号:US13602770

    申请日:2012-09-04

    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。

    APPARATUS FOR REMOVING INTERFERENCE BETWEEN NEIGHBOR CELLS IN A RADIO COMMUNICATION SYSTEM, AND METHOD FOR SAME
    7.
    发明申请
    APPARATUS FOR REMOVING INTERFERENCE BETWEEN NEIGHBOR CELLS IN A RADIO COMMUNICATION SYSTEM, AND METHOD FOR SAME 有权
    用于去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

    公开(公告)号:US20110183692A1

    公开(公告)日:2011-07-28

    申请号:US13057581

    申请日:2009-08-04

    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。

    Resource allocation method and apparatus of heterogeneous cellular communication system
    9.
    发明授权
    Resource allocation method and apparatus of heterogeneous cellular communication system 有权
    异构蜂窝通信系统的资源分配方法和装置

    公开(公告)号:US09351305B2

    公开(公告)日:2016-05-24

    申请号:US13362209

    申请日:2012-01-31

    IPC分类号: H04W72/08 H04W16/16

    CPC分类号: H04W72/082 H04W16/16

    摘要: A resource allocation method and an apparatus for mitigating inter-cell interference in the heterogeneous cellular communication system are provided. The method for a first type base station to allocate resource in a wireless communication system including the first and second types base stations according to the present invention includes estimating an available Frequency Assignment (FA) not used by a neighbor second type terminal among FAs used by the first type base station, and allocating sub-channels associated with one of the available FAs not used by the neighbor second type terminal to a first type terminal, wherein the second type base station allocates the sub-channels for uplink and downlink transmissions of the second type terminal over a predetermined time period such that an FA in which sub-channels for the uplink transmissions are allocated and the FA in which sub-channels for the downlink transmissions are allocated are the same.

    摘要翻译: 提供了用于减轻异构蜂窝通信系统中的小区间干扰的资源分配方法和装置。 根据本发明的用于在包括第一和第二类型基站的无线通信系统中分配资源的第一类型基站的方法包括估计由邻居第二类型终端不使用的可用频率分配(FA) 第一类型基站,并且将与相邻第二类型终端未使用的可用FA之一相关联的子信道分配给第一类型终端,其中第二类型基站分配用于上行链路和下行链路传输的子信道 第二类型终端在预定时间段内,使得其中分配了用于上行链路传输的子信道的FA和分配其中用于下行链路传输的子信道的FA相同。

    METHOD FOR DIFFERENTIALLY QUANTIZING CHANNEL INFORMATION IN MULTI-ANTENNA WIRELESS SYSTEMS AND SYSTEM ADOPTING THE SAME
    10.
    发明申请
    METHOD FOR DIFFERENTIALLY QUANTIZING CHANNEL INFORMATION IN MULTI-ANTENNA WIRELESS SYSTEMS AND SYSTEM ADOPTING THE SAME 有权
    用于在多天线无线系统中进行差分量化信道的方法及其采用的系统

    公开(公告)号:US20130083685A1

    公开(公告)日:2013-04-04

    申请号:US13639845

    申请日:2011-04-06

    IPC分类号: H04B7/04 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。