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    • 2. 发明授权
    • Apparatus and method for estimating a channel
    • 用于估计信道的装置和方法
    • US07529310B2
    • 2009-05-05
    • US10967044
    • 2004-10-15
    • Gunther Auer
    • Gunther Auer
    • H04L1/02
    • H04L1/06H04L25/0204H04L25/022H04L25/0224H04L25/024H04L27/2647
    • An apparatus for estimating a channel from a transmitting point to a receiving point in an environment, in which at least two transmitting points spaced apart from each other are present, the transmitting point having associated therewith a pilot sequence, wherein the pilot sequences are different from each other, having a provider for providing an input signal, the input signal including a superposition of signals from the transmitting points, a multiplier for providing a number of copies of the input signal, the number of copies being equal to the number of transmitting points, for each copy of the input signal, a transformer for transforming the copy or a signal derived from the copy to obtain a transformed signal, the transformer being operative to apply a transform algorithm which is based on a Fourier transform, and for each transformed signal, an extractor extracting a portion of the transformed signal.
    • 一种用于估计在环境中从发射点到接收点的信道的装置,其中存在彼此间隔开的至少两个发射点,所述发射点具有与其相关联的导频序列,其中所述导频序列不同于 彼此具有用于提供输入信号的提供者,所述输入信号包括来自所述发送点的信号的叠加,用于提供所述输入信号的多个拷贝的乘数,所述复制数等于所述发送点的数量 对于输入信号的每个副本,用于变换副本的变压器或从副本导出的信号以获得变换的信号,变压器可操作以应用基于傅里叶变换的变换算法,并且对于每个变换信号 提取器提取变换信号的一部分。
    • 5. 发明授权
    • Apparatus and method for estimating a plurality of channels
    • 用于估计多个通道的装置和方法
    • US07327812B2
    • 2008-02-05
    • US11038674
    • 2005-01-19
    • Gunther Auer
    • Gunther Auer
    • H04B7/10
    • H04L25/0226H04B7/0684H04B2201/70701H04L1/0618H04L25/0204H04L27/2647
    • An apparatus for estimating a plurality of channels from a plurality of distinct transmitting points, wherein an input signal includes a super position of signals based on a first pilot sequence transmittable from a first transmitting point and on a second pilot sequence transmittable from a second transmitting point, the first pilot sequence and the second pilot sequence having a phase shift to each other, comprises a transformer, which is operative to translate phase shifts between the first and the second pilot sequence into a delay, so that a first group of a set of discrete values of the transformed signal includes channel information of a first channel and that a second group of a set of discrete values includes channel information of a second channel, a selector for selecting the first group from the set of discrete values and for selecting the second group from the set of discrete values to obtain selected groups, and means for determining channel information for the plurality of channels based on the selected groups. The selection of groups at the output of the transformer for obtaining channel information for the channel allows the construction of a simplified receiver.
    • 一种用于从多个不同的发送点估计多个信道的装置,其中输入信号包括基于从第一发送点可发送的第一导频序列和可从第二发送点发送的第二导频序列的信号的超位置 具有彼此相移的第一导频序列和第二导频序列包括变换器,其可操作以将第一和第二导频序列之间的相移转换为延迟,使得第一组一组 变换信号的离散值包括第一信道的信道信息,并且一组离散值的第二组包括第二信道的信道信息,选择器,用于从该组离散值中选择第一组,并选择第二信道 组从离散值集合获得所选择的组,以及用于确定多个信道的信道信息的装置 基于选定组的频道。 在变压器的输出处选择用于获得通道的通道信息的组允许构造简化的接收器。
    • 6. 发明授权
    • Radio channel estimator
    • 无线电信道估计器
    • US08260208B2
    • 2012-09-04
    • US12570297
    • 2009-09-30
    • Gunther Auer
    • Gunther Auer
    • H04B17/00
    • H04L25/0232H04L5/0023H04L5/0048
    • Radio channel estimators are provided. In an exemplary embodiment, a radio channel estimator is provided for estimating a first radio channel to obtain a first estimate, the first radio channel being comprised in a multiple input multiple output (MIMO) radio channel extending between at least a first transmit antenna and a second transmit antenna and a receive antenna, the first radio channel extending between the first transmit antenna and the receive antenna. The estimator comprises a means for receiving a reference symbol transmitted by the second transmit antenna and a means for estimating a second radio channel based on the reference symbol, the second radio channel extending between the second transmit antenna and the receive antenna. The estimator further comprises a means for processing the estimate of the second radio channel based on a spatial property of the MIMO radio channel to obtain the first estimate.
    • 提供无线电信道估计。 在示例性实施例中,提供无线电信道估计器,用于估计第一无线电信道以获得第一估计,所述第一无线电信道包括在至少第一发射天线和第二发射天线之间延伸的多输入多输出(MIMO)无线电信道中 第二发射天线和接收天线,第一无线电信道在第一发射天线和接收天线之间延伸。 估计器包括用于接收由第二发射天线发送的参考符号的装置和用于基于参考符号估计第二无线电信道的装置,第二无线电信道在第二发射天线和接收天线之间延伸。 估计器还包括用于基于MIMO无线电信道的空间属性来处理第二无线电信道的估计以获得第一估计的装置。
    • 7. 发明申请
    • Apparatus and method for estimating a channel
    • 用于估计信道的装置和方法
    • US20050047518A1
    • 2005-03-03
    • US10967044
    • 2004-10-15
    • Gunther Auer
    • Gunther Auer
    • H04J99/00H04B3/00H04L1/06H04L25/02H04L27/26
    • H04L1/06H04L25/0204H04L25/022H04L25/0224H04L25/024H04L27/2647
    • An apparatus for estimating a channel from a transmitting point to a receiving point in an environment, in which at least two transmitting points spaced apart from each other are present, the transmitting point having associated therewith a pilot sequence, wherein the pilot sequences are different from each other, having a provider for providing an input signal, the input signal including a superposition of signals from the transmitting points, a multiplier for providing a number of copies of the input signal, the number of copies being equal to the number of transmitting points, for each copy of the input signal, a transformer for transforming the copy or a signal derived from the copy to obtain a transformed signal, the transformer being operative to apply a transform algorithm which is based on a Fourier transform, and for each transformed signal, an extractor extracting a portion of the transformed signal to obtain an estimated channel impulse response for the channel to be estimated, wherein each extractor is operative to receive a transformed signal only from an associated transformer.
    • 一种用于估计在环境中从发射点到接收点的信道的装置,其中存在彼此间隔开的至少两个发射点,所述发射点具有与其相关联的导频序列,其中所述导频序列不同于 彼此具有用于提供输入信号的提供者,所述输入信号包括来自所述发送点的信号的叠加,用于提供所述输入信号的多个拷贝的乘数,所述复制数等于所述发送点的数量 对于输入信号的每个副本,用于变换副本的变压器或从副本导出的信号以获得变换的信号,变压器可操作以应用基于傅里叶变换的变换算法,并且对于每个变换信号 提取器提取变换信号的一部分以获得待估计信道的估计信道脉冲响应 ed,其中每个提取器仅操作以从相关联的变压器接收变换的信号。
    • 8. 发明申请
    • NODE IN A WIRELESS SYSTEM AND METHOD FOR TIME AND FREQUENCY SYNCHRONIZING NODES IN A WIRELESS SYSTEM
    • 无线系统中的节点和无线系统中时间和频率同步节点的方法
    • US20120063447A1
    • 2012-03-15
    • US13231134
    • 2011-09-13
    • Alexander TyrrellGunther Auer
    • Alexander TyrrellGunther Auer
    • H04J3/06
    • H04W56/00H04J3/0697H04L7/04
    • A node in a wireless system using transmit/receive slots for a communication among the nodes in the wireless system comprises a reception block configured to receive from a transmitting node in the wireless system a synchronization signal, and to derive from the synchronization signal a time offset and a frequency offset between the clock generators in the node and in the transmitting node. Further, a slot synchronization block is provided including the clock generator which is updated based on the derived time offset and the derived frequency offset. Further, a transmission block is provided for transmitting data. The slot synchronization block sets a slot start of a slot based on the derived time offset and sets a slot of a subsequent slot based on the derived frequency offset.
    • 使用无线系统中的节点之间的通信的发送/接收时隙的无线系统中的节点包括接收块,被配置为从无线系统中的发送节点接收同步信号,并且从同步信号中导出时间偏移 以及节点和发送节点中的时钟发生器之间的频率偏移。 此外,提供了时隙同步块,包括基于导出的时间偏移和导出的频率偏移来更新的时钟发生器。 此外,提供用于发送数据的发送块。 时隙同步块基于导出的时间偏移来设置时隙的时隙开始,并且基于导出的频率偏移来设置后续时隙的时隙。
    • 9. 发明申请
    • Apparatus and method for estimating a plurality of channels
    • 用于估计多个通道的装置和方法
    • US20050147025A1
    • 2005-07-07
    • US11038674
    • 2005-01-19
    • Gunther Auer
    • Gunther Auer
    • H04J99/00H04B1/707H04J11/00H04L1/06H04L25/02H04L27/26
    • H04L25/0226H04B7/0684H04B2201/70701H04L1/0618H04L25/0204H04L27/2647
    • An apparatus for estimating a plurality of channels from a plurality of distinct transmitting points, wherein an input signal includes a super position of signals based on a first pilot sequence transmittable from a first transmitting point and on a second pilot sequence transmittable from a second transmitting point, the first pilot sequence and the second pilot sequence having a phase shift to each other, comprises a transformer, which is operative to translate phase shifts between the first and the second pilot sequence into a delay, so that a first group of a set of discrete values of the transformed signal includes channel information of a first channel and that a second group of a set of discrete values includes channel information of a second channel, a selector for selecting the first group from the set of discrete values and for selecting the second group from the set of discrete values to obtain selected groups, and means for determining channel information for the plurality of channels based on the selected groups. The selection of groups at the output of the transformer for obtaining channel information for the channel allows the construction of a simplified receiver.
    • 一种用于从多个不同的发送点估计多个信道的装置,其中输入信号包括基于从第一发送点可发送的第一导频序列和可从第二发送点发送的第二导频序列的信号的超位置 具有彼此相移的第一导频序列和第二导频序列包括变换器,其可操作以将第一和第二导频序列之间的相移转换为延迟,使得第一组一组 变换信号的离散值包括第一信道的信道信息,并且一组离散值的第二组包括第二信道的信道信息,选择器,用于从该组离散值中选择第一组,并选择第二信道 组从离散值集合获得所选择的组,以及用于确定多个信道的信道信息的装置 基于选定组的频道。 在变压器的输出处选择用于获得通道的通道信息的组允许构造简化的接收器。
    • 10. 发明授权
    • Node in a wireless system and method for time and frequency synchronizing nodes in a wireless system
    • 无线系统中的节点和无线系统中时间和频率同步节点的方法
    • US08675636B2
    • 2014-03-18
    • US13231134
    • 2011-09-13
    • Alexander TyrrellGunther Auer
    • Alexander TyrrellGunther Auer
    • H04J3/06
    • H04W56/00H04J3/0697H04L7/04
    • A node in a wireless system using transmit/receive slots for a communication among the nodes in the wireless system comprises a reception block configured to receive from a transmitting node in the wireless system a synchronization signal, and to derive from the synchronization signal a time offset and a frequency offset between the clock generators in the node and in the transmitting node. Further, a slot synchronization block is provided including the clock generator which is updated based on the derived time offset and the derived frequency offset. Further, a transmission block is provided for transmitting data. The slot synchronization block sets a slot start of a slot based on the derived time offset and sets a slot of a subsequent slot based on the derived frequency offset.
    • 使用无线系统中的节点之间的通信的发送/接收时隙的无线系统中的节点包括接收块,被配置为从无线系统中的发送节点接收同步信号,并且从同步信号中导出时间偏移 以及节点和发送节点中的时钟发生器之间的频率偏移。 此外,提供了时隙同步块,包括基于导出的时间偏移和导出的频率偏移来更新的时钟发生器。 此外,提供用于发送数据的发送块。 时隙同步块基于导出的时间偏移来设置时隙的时隙开始,并且基于导出的频率偏移来设置后续时隙的时隙。