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1.发明申请公开(公告)号：US20090296585A1
公开(公告)日：2009-12-03
申请号：US12226677
申请日：2006-04-27
申请人： Bruno Melis , Alfredo Ruscitto , Pietro Di Paola
发明人： Bruno Melis , Alfredo Ruscitto , Pietro Di Paola
CPC分类号： H04L25/022 , H04L25/0206 , H04L25/0226 , H04L25/0228 , H04L25/0258 , H04L25/03159 , H04L25/03292 , H04L25/03305 , H04L27/2613 , H04L27/262 , H04L2025/03414
摘要： A channel estimator for use in a receiver node receiving signals from a plurality of user terminals wherein each user terminal is allotted a respective set of transmission subcarriers and respective test signal sequences for transmission over the channel to be estimated. The channel estimator has stored therein information as to the respective sets of transmission subcarriers allotted to the user terminals for transmission as well as the discrete spectra of the respective test signal sequences allotted to the user terminals. Upon receiving from a plurality of user terminals signals including the respective test signal sequences transmitted over the channel by using the respective sets of transmission subcarriers allotted thereto, the estimator generates the discrete spectrum of the combined test signal received and performs channel estimation as a function of the discrete spectrum of the combined test signal and the discrete spectra of the test signal sequences allotted to the user terminals. A frequency domain channel estimation is performed for a single carrier frequency division multiple access system.
摘要翻译： 一种用于接收来自多个用户终端的信号的接收机节点的信道估计器，其中每个用户终端分配相应的一组发射子载波和各个测试信号序列，以便在待估计的信道上传输。 信道估计器在其中存储关于分配给用户终端进行传输的各组发送子载波的信息以及分配给用户终端的各个测试信号序列的离散频谱。 在从多个用户终端接收包括通过使用分配给它们的各组发送子载波的通过信道发送的各个测试信号序列的信号时，估计器产生接收的组合测试信号的离散频谱，并且执行信道估计作为 组合测试信号的离散频谱和分配给用户终端的测试信号序列的离散频谱。 对单载波频分多址系统进行频域信道估计。
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2.发明授权公开(公告)号：US07848356B2
公开(公告)日：2010-12-07
申请号：US12226677
申请日：2006-04-27
申请人： Bruno Melis , Alfredo Ruscitto , Pietro Di Paola
发明人： Bruno Melis , Alfredo Ruscitto , Pietro Di Paola
IPC分类号： H04J1/00
CPC分类号： H04L25/022 , H04L25/0206 , H04L25/0226 , H04L25/0228 , H04L25/0258 , H04L25/03159 , H04L25/03292 , H04L25/03305 , H04L27/2613 , H04L27/262 , H04L2025/03414
摘要： A channel estimator for use in a receiver node receiving signals from a plurality of user terminals wherein each user terminal is allotted a respective set of transmission subcarriers and respective test signal sequences for transmission over the channel to be estimated. The channel estimator has stored therein information as to the respective sets of transmission subcarriers allotted to the user terminals for transmission as well as the discrete spectra of the respective test signal sequences allotted to the user terminals. Upon receiving from a plurality of user terminals signals including the respective test signal sequences transmitted over the channel by using the respective sets of transmission subcarriers allotted thereto, the estimator generates the discrete spectrum of the combined test signal received and performs channel estimation as a function of the discrete spectrum of the combined test signal and the discrete spectra of the test signal sequences allotted to the user terminals. A frequency domain channel estimation is performed for a single carrier frequency division multiple access system.
摘要翻译： 一种用于接收来自多个用户终端的信号的接收机节点的信道估计器，其中每个用户终端分配相应的一组发射子载波和各个测试信号序列，以便在待估计的信道上传输。 信道估计器在其中存储关于分配给用户终端进行传输的各组发送子载波的信息以及分配给用户终端的各个测试信号序列的离散频谱。 在从多个用户终端接收包括通过使用分配给它们的各组发送子载波的通过信道发送的各个测试信号序列的信号时，估计器产生接收的组合测试信号的离散频谱，并且执行信道估计作为 组合测试信号的离散频谱和分配给用户终端的测试信号序列的离散频谱。 对单载波频分多址系统进行频域信道估计。
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公开(公告)号：US09960821B2
公开(公告)日：2018-05-01
申请号：US13142568
申请日：2008-12-30
申请人： Mauro Boldi , Paolo Gianola , Bruno Melis , Alfredo Ruscitto
发明人： Mauro Boldi , Paolo Gianola , Bruno Melis , Alfredo Ruscitto
CPC分类号： H04B7/022 , H04B7/026 , H04B7/0617
摘要： A method of arranging exchange of signals between user terminals in a cellular communication system and at least one base station including a central unit and a plurality of remote units. The method includes exchanging signals with at least one user terminal simultaneously via at least two remote units by applying at the at least two remote units, separate distributing weighting functions to the signals exchanged with the at least one user terminal.
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4.发明授权Method of processing received signals, corresponding receiver and computer program product therefor 有权处理接收信号的方法，相应的接收机和计算机程序产品公开(公告)号：US08830907B2
公开(公告)日：2014-09-09
申请号：US13062184
申请日：2008-09-04
IPC分类号： H04W4/00 , H04B7/08 , H04B1/712 , H04B1/7105
CPC分类号： H04B7/0845 , H04B1/71055 , H04B1/712
摘要： Signals received from channels exposed to multi-path propagation via a plurality of diversity antennas and including at least one pilot signal are processed by detecting a set of multi-path components for each received signal and computing a set of channel coefficients from multi-path components of the at least one pilot signal in the set of multi-path components. The set of channel coefficients is organized as a channel coefficient vector. From the channel coefficient vector, a set of combining weights is estimated to be applied to the received signals by: computing a spatial correlation matrix of the channel coefficient vector by neglecting the correlations between multi-path components of the channel coefficient vector having different delays, whereby the correlation matrix is a block diagonal matrix including null coefficients other than for non-null sub-matrixes arranged along the diagonal of the correlation matrix, wherein the sub-matrixes have a size equal to the number of diversity antennas; deriving from the spatial correlation matrix a resulting matrix by calculating the inverse of the sub-matrixes or a scaled version thereof; and multiplying the resulting matrix and the channel coefficient vector in order to obtain the desired set of combining weights.
摘要翻译： 通过经由多个分集天线暴露于多路径传播并且包括至少一个导频信号的信道接收到的信号通过检测每个接收信号的多路径分量集合并且从多路径分量计算一组信道系数来处理 的多路径分量集合中的至少一个导频信号。 信道系数集合被组织为信道系数向量。 从信道系数向量，通过以下方式估计组合权重集合：通过忽略具有不同延迟的信道系数向量的多径分量之间的相关性来计算信道系数向量的空间相关矩阵， 由此相关矩阵是包括除了相关矩阵的对角线排列的非零子矩阵之外的空系数的块对角矩阵，其中子矩阵的大小等于分集天线的数量; 通过计算子矩阵的逆或其缩放版本从空间相关矩阵导出得到的矩阵; 并乘以所得到的矩阵和信道系数向量，以便获得期望的组合权重集合。
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5.发明授权Switched beam antenna with digitally controlled weighted radio frequency combining 有权具有数字控制加权射频组合的开关波束天线公开(公告)号：US08509724B2
公开(公告)日：2013-08-13
申请号：US12312846
申请日：2006-11-29
IPC分类号： H04B1/06
CPC分类号： H04B7/0874 , H04B7/0691 , H04B7/084 , H04B7/086 , H04B7/088
摘要： A wireless communication system, wherein a sub-set of radio frequency signals received from corresponding antenna elements is selected and combined into a single radio frequency signal, the single radio frequency signal being processed and demodulated in a single processing chain, includes a radio frequency phasing network for co-phasing the selected radio frequency signals before combining and a processor for controlling combining and phasing in order to obtain a single radio frequency signal having a radio performance indicator which satisfies predetermined conditions.
摘要翻译： 一种无线通信系统，其中从对应的天线元件接收的射频信号的子集被选择并组合成单个射频信号，在单个处理链中被处理和解调的单个射频信号包括射频定相 网络，用于在组合之前将所选择的射频信号相位，以及用于控制组合和定相的处理器，以便获得具有满足预定条件的无线电性能指示符的单个射频信号。
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6.发明申请METHOD FOR ADAPTIVE DISTRIBUTED MOBILE COMMUNICATIONS, CORRESPONDING SYSTEM AND COMPUTER PROGRAM PRODUCT 有权自适应分布式移动通信方法，相关系统和计算机程序产品公开(公告)号：US20110275376A1
公开(公告)日：2011-11-10
申请号：US13142568
申请日：2008-12-30
申请人： Mauro Boldi , Paolo Gianola , Bruno Melis , Alfredo Ruscitto
发明人： Mauro Boldi , Paolo Gianola , Bruno Melis , Alfredo Ruscitto
IPC分类号： H04W36/00
CPC分类号： H04B7/022 , H04B7/026 , H04B7/0617
摘要： A method of arranging exchange of signals between user terminals in a cellular communication system and at least one base station including a central unit and a plurality of remote units. The method includes exchanging signals with at least one user terminal simultaneously via at least two remote units by applying at the at least two remote units, separate distributing weighting functions to the signals exchanged with the at least one user terminal.
摘要翻译： 一种在蜂窝通信系统中的用户终端之间交换信号的方法以及包括中央单元和多个远程单元的至少一个基站的方法。 该方法包括通过在至少两个远程单元处应用至少两个远程单元与至少一个用户终端交换信号，将加权函数分配到与至少一个用户终端交换的信号。
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7.发明申请SWITCHED BEAM ANTENNA WITH DIGITALLY CONTROLLED WEIGHTED RADIO FREQUENCY COMBINING 有权带有数字控制无线电频率组合的开关束天线公开(公告)号：US20100130150A1
公开(公告)日：2010-05-27
申请号：US12312846
申请日：2006-11-29
CPC分类号： H04B7/0874 , H04B7/0691 , H04B7/084 , H04B7/086 , H04B7/088
摘要： A wireless communication system, wherein a sub-set of radio frequency signals received from corresponding antenna elements is selected and combined into a single radio frequency signal, the single radio frequency signal being processed and demodulated in a single processing chain, includes a radio frequency phasing network for co-phasing the selected radio frequency signals before combining and a processor for controlling combining and phasing in order to obtain a single radio frequency signal having a radio performance indicator which satisfies predetermined conditions.
摘要翻译： 一种无线通信系统，其中从对应的天线元件接收的射频信号的子集被选择并组合成单个射频信号，在单个处理链中被处理和解调的单个射频信号包括射频定相 网络，用于在组合之前将所选择的射频信号相位，以及用于控制组合和定相的处理器，以便获得具有满足预定条件的无线电性能指示符的单个射频信号。
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公开(公告)号：US20070036243A1
公开(公告)日：2007-02-15
申请号：US10573830
申请日：2003-09-30
IPC分类号： H04L27/06
CPC分类号： H04L25/0204 , H04L25/0206 , H04L25/0232 , H04L25/0236
摘要： A system for estimating the transfer function of a transmission channel such as the downlink channel in a CDMA system over which a pilot signal and a data signal are transmitted. The system includes at least one estimator for producing first and second channel estimates from the pilot signal and the data signals and a combination node for combining the first and second channel estimates to obtain final combined channel estimates. The system includes an interpolator module adapted for interpolating the second channel estimates over a basic estimation reference time to produce equal numbers of channel estimates over the basic estimation reference time derived from the data signal and the pilot signal respectively, and possibly rate adaptation modules adapted for mapping the channel estimates on the basic estimation reference time. The combination node is a summation node producing the final combined channel estimates as a sum of the first channel estimates and the interpolated second channel estimates.
摘要翻译： 一种用于估计传输信道的传递函数的系统，例如在其中发送导频信号和数据信号的CDMA系统中的下行链路信道。 该系统包括用于从导频信号和数据信号产生第一和第二信道估计的至少一个估计器，以及用于组合第一和第二信道估计以获得最终组合信道估计的组合节点。 该系统包括内插器模块，其适于在基本估计基准时间内插第二信道估计，以分别在从数据信号和导频信号导出的基本估计参考时间上产生相等数目的信道估计，并且可能的速率适应模块 在基本估计参考时间上映射信道估计。 组合节点是产生最终组合信道估计值作为第一信道估计和内插第二信道估计之和的求和节点。
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9.发明授权公开(公告)号：US10014910B2
公开(公告)日：2018-07-03
申请号：US13142443
申请日：2008-12-30
申请人： Mauro Boldi , Paolo Gianola , Bruno Melis , Alfredo Ruscitto
发明人： Mauro Boldi , Paolo Gianola , Bruno Melis , Alfredo Ruscitto
CPC分类号： H04B7/022 , H04B7/0617 , H04W4/18 , H04W88/08 , H04W92/10
摘要： A method of arranging exchange of signals between user terminals in a cellular communication system and at least one base station. The base station includes a central unit and a plurality of remote units. The signals are exchanged between the central unit and the remote units as aggregated signals for plural user terminals. The signals are processed at the remote units as distinct signals each associated with a respective one of the plural user terminals.
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10.发明授权Method and system for multiple antenna communications using multiple transmission modes, related apparatus and computer program product 有权使用多种传输模式的多天线通信方法和系统，相关设备和计算机程序产品公开(公告)号：US08437712B2
公开(公告)日：2013-05-07
申请号：US12084134
申请日：2005-10-27
CPC分类号： H04B7/0894 , H04B7/0671
摘要： A system for diversity processing a signal propagated via two diversity antennas includes: respective propagation paths for propagating two replicas of the signal, these propagation paths being coupled to the two diversity antennas so that the replicas are propagated via different antennas; a time variable delay element for subjecting at least one of the replicas to a time variable delay; and a level adjusting element, such as an asymmetric splitter, to produce a level imbalance between the power levels of the replicas propagated via the two diversity antennas.
摘要翻译： 用于分集处理经由两个分集天线传播的信号的系统包括：用于传播信号的两个副本的相应传播路径，这些传播路径耦合到两个分集天线，使得副本经由不同的天线传播; 用于使所述副本中的至少一个进行时间可变延迟的时间可变延迟元件; 以及诸如非对称分路器的电平调整元件，以在通过两个分集天线传播的副本的功率电平之间产生电平不平衡。
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