公开(公告)号：US07860198B2

公开(公告)日：2010-12-28

申请号：US11547739

申请日：2005-03-22

申请人： Giuseppe Montalbano

发明人： Giuseppe Montalbano

IPC分类号： H03D1/04

CPC分类号： H04B17/336

摘要： An overall SIR estimate is based on a weighted-average of different SIR estimates, wherein the weights are chosen to minimize the mean-square-error (MSE) of the overall SIR estimate. Alternatively, the overall SIR estimate is based on a selection from among the different SIR estimates, based on the expected reliability of each SIR estimate. The expected reliability of each SIR estimate may be based on the current format of the transmitted signal and/or a prior estimated SIR level.

摘要翻译： 总体SIR估计基于不同SIR估计的加权平均值，其中选择权重以最小化总体SIR估计的均方误差（MSE）。 或者，基于每个SIR估计的预期可靠性，总SIR估计基于来自不同SIR估计之中的选择。 每个SIR估计的预期可靠性可以基于所发送信号的当前格式和/或先前估计的SIR水平。

公开(公告)号：US07653865B2

公开(公告)日：2010-01-26

申请号：US10584502

申请日：2004-12-14

申请人： Pierre Demaj ,  Giuseppe Montalbano

发明人： Pierre Demaj ,  Giuseppe Montalbano

IPC分类号： H03M13/03

CPC分类号： H04L1/005 ,  H04L1/0054

摘要： A symbol sequence in a received DS-CDMA signal is decoded in an efficient manner in order to reduce the processing needs in a receiver when, e.g., processing acquisition indicators (AI) in a UMTS system. The decoding comprises iterative calculation of a hard-decision vector, using a decision threshold having a value based on the probability of each ternary alphabet element of each symbol in the hard-decision vector.

摘要翻译： 为了在例如UMTS系统中处理采集指示符（AI）时减少接收机中的处理需要，有效地解码所接收的DS-CDMA信号中的符号序列。 解码包括使用具有基于硬判决矢量中每个符号的每个三元字母元素的概率的值的判定阈值的硬判决向量的迭代计算。

公开(公告)号：US08891698B2

公开(公告)日：2014-11-18

申请号：US12326762

申请日：2008-12-02

申请人： Stefania Sesia ,  Giuseppe Montalbano ,  Pierre Demaj

发明人： Stefania Sesia ,  Giuseppe Montalbano ,  Pierre Demaj

IPC分类号： H03D1/04 ,  H04B1/7115 ,  H04B1/7117

CPC分类号： H04B1/7115 ,  H04B1/7117

摘要： A scheme determines the first significant path (FSP) of a received multipath signal, from data defining the relative delay and the amplitude of the individual signal paths occurring in a series of time frames. The scheme includes filtering the data to spread the signal paths, performing a persistence test between frames to reject spurious signal paths, combining the energy of the signal paths in a frame, applying a test to determine the time at which the combined energy satisfies a criterion, and selecting the FSP dependent on that time. The combined energy may be evaluated within a sliding window, and the position of the window within the frame determined that maximizes the combined energy. Alternatively, the combined energy may be evaluated as the cumulative energy through the frame, and the position determined at which the cumulative energy reaches a threshold.

摘要翻译： 方案从定义在一系列时间帧中出现的各个信号路径的相对延迟和振幅的数据确定接收的多路径信号的第一有效路径（FSP）。 该方案包括对数据进行滤波以扩展信号路径，在帧之间执行持续测试以抑制寄生信号路径，组合帧中的信号路径的能量，应用测试来确定组合能量满足标准的时间 ，并根据该时间选择FSP。 可以在滑动窗口内评估组合的能量，并且确定框架内的窗口的位置使得组合能量最大化。 或者，可以将组合的能量评估为通过该帧的累积能量，以及确定累积能量达到阈值的位置。

公开(公告)号：US20070171847A1

公开(公告)日：2007-07-26

申请号：US10584502

申请日：2004-12-14

申请人： Pierre Demaj ,  Giuseppe Montalbano

发明人： Pierre Demaj ,  Giuseppe Montalbano

IPC分类号： H04B7/00

CPC分类号： H04L1/005 ,  H04L1/0054

摘要： A symbol sequence in a received DS-CDMA signal is decoded in an efficient manner in order to reduce the processing needs in a receiver when, e.g., processing acquisition indicators (AI) in a UMTS system. The decoding comprises iterative calculation of a hard-decision vector, using a decision threshold having a value based on the probability of each ternary alphabet element of each symbol in the hard-decision vector

摘要翻译： 为了在例如UMTS系统中处理采集指示符（AI）时减少接收机中的处理需要，有效地解码所接收的DS-CDMA信号中的符号序列。 解码包括硬判决向量的迭代计算，使用具有基于硬判决向量中的每个符号的每个三元字母元素的概率的值的判定阈值

公开(公告)号：US08005159B2

公开(公告)日：2011-08-23

申请号：US10532912

申请日：2003-10-10

申请人： Giuseppe Montalbano

发明人： Giuseppe Montalbano

IPC分类号： H04B7/02

CPC分类号： H04L25/0204 ,  H04L25/0232

摘要： The present invention relates to a method for estimating a propagation channel in the presence of transmit beam-forming within a receiver, accounting for the structure of two logical channels referred as to a common channel and a dedicated physical channel (CPICH, DPCH) and based on a common structure of corresponding propagation channels, said DPCH channel comprising two sub-channels (DPDCH, DPCCH), said propagation channels being modeled as a linear superposition of a finite number of discrete multipath components following an uncorrelated-scattering wide-sense stationary model, a multipath component being characterized by a time-varying multipath complex coefficient and a delay. Use: RAKE Receiver.

摘要翻译： 本发明涉及一种用于在存在接收机内的发射波束形成的情况下估计传播信道的方法，考虑了公共信道和专用物理信道（CPICH，DPCH）的基于两个逻辑信道的结构，并且基于 在相应传播信道的公共结构上，所述DPCH信道包括两个子信道（DPDCH，DPCCH），所述传播信道被建模为有限数量的离散多径分量的线性叠加，该离散多径分量遵循不相关散射广义固定模型 多径分量的特征在于时变多径复数系数和延迟。 使用：RAKE接收器。

公开(公告)号：US20090323874A1

公开(公告)日：2009-12-31

申请号：US12296891

申请日：2007-04-11

申请人： Ahmet Bastug ,  Giuseppe Montalbano

发明人： Ahmet Bastug ,  Giuseppe Montalbano

IPC分类号： H04B1/10

CPC分类号： H04L25/0226 ,  H04L25/0228

摘要： The present invention relates to a receiver apparatus and method of channel estimation in a telecommunication system which provides at least two pilot sequences, and to a computer program product. Channel estimation is achieved by estimating channel taps separately for each of the at least two pilot sequences in every transmission block, and for applying estimated channel taps obtained from the estimation to at least one of a temporal and spatial filtering or combining operation to refine the channel estimate. Accordingly, temporal correlations and cross-correlations of the at least two pilot sequences are exploited without requiring knowledge of path delays and beamforming parameters.

摘要翻译： 本发明涉及在提供至少两个导频序列的电信系统中的信道估计的接收机装置和方法以及计算机程序产品。 通过对每个传输块中的至少两个导频序列中的每一个单独地估计信道抽头，并且将从估计获得的估计信道抽头应用于时间和空间滤波或组合操作中的至少一个以优化信道来实现信道估计 估计。 因此，利用了至少两个导频序列的时间相关性和互相关，而不需要知道路径延迟和波束成形参数。

公开(公告)号：US20090180522A1

公开(公告)日：2009-07-16

申请号：US12326762

申请日：2008-12-02

申请人： Stefania Sesia ,  Giuseppe Montalbano ,  Pierre Demaj

发明人： Stefania Sesia ,  Giuseppe Montalbano ,  Pierre Demaj

IPC分类号： H04B1/707

CPC分类号： H04B1/7115 ,  H04B1/7117

摘要： A scheme determines the first significant path (FSP) of a received multipath signal, from data defining the relative delay and the amplitude of the individual signal paths occurring in a series of time frames. The scheme includes filtering the data to spread the signal paths, performing a persistence test between frames to reject spurious signal paths, combining the energy of the signal paths in a frame, applying a test to determine the time at which the combined energy satisfies a criterion, and selecting the FSP dependent on that time. The combined energy may be evaluated within a sliding window, and the position of the window within the frame determined that maximizes the combined energy. Alternatively, the combined energy may be evaluated as the cumulative energy through the frame, and the position determined at which the cumulative energy reaches a threshold.

摘要翻译： 方案从定义在一系列时间帧中出现的各个信号路径的相对延迟和振幅的数据确定接收的多路径信号的第一有效路径（FSP）。 该方案包括对数据进行滤波以扩展信号路径，在帧之间执行持续测试以抑制寄生信号路径，组合帧中的信号路径的能量，应用测试来确定组合能量满足标准的时间 ，并根据该时间选择FSP。 可以在滑动窗口内评估组合的能量，并且确定框架内的窗口的位置使得组合的能量最大化。 或者，可以将组合的能量评估为通过该帧的累积能量，以及确定累积能量达到阈值的位置。

公开(公告)号：US20070258547A1

公开(公告)日：2007-11-08

申请号：US11547739

申请日：2005-03-22

申请人： Giuseppe Montalbano

发明人： Giuseppe Montalbano

IPC分类号： H04L1/20

CPC分类号： H04B17/336

摘要： An overall SIR estimate is based on a weighted-average of different SIR estimates, wherein the weights are chosen to minimize the mean-square-error (MSE) of the overall SIR estimate. Alternatively, the overall SIR estimate is based on a selection from among the different SIR estimates, based on the expected reliability of each SIR estimate. The expected reliability of each SIR estimate may be based on the current format of the transmitted signal and/or a prior estimated SIR level.

摘要翻译： 总体SIR估计基于不同SIR估计的加权平均值，其中选择权重以最小化总体SIR估计的均方误差（MSE）。 或者，基于每个SIR估计的预期可靠性，总SIR估计基于来自不同SIR估计之中的选择。 每个SIR估计的预期可靠性可以基于所发送信号的当前格式和/或先前估计的SIR水平。