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11. 发明申请

US20120163503A1 Process for Estimating the Channel from the PSS Signal in a LTE Communication Network, and Receiver for the Same 有权
标题翻译：用于从LTE通信网络中的PSS信号估计信道的过程，以及用于其的接收机
公开(公告)号：US20120163503A1
公开(公告)日：2012-06-28
申请号：US13379155
申请日：2010-06-18
申请人： Andrea Ancora , Issam Toufik
发明人： Andrea Ancora , Issam Toufik
IPC分类号： H04L27/00
CPC分类号： H04L25/0232 , H04L5/0007 , H04L5/0048 , H04L25/0216 , H04L25/0226 , H04L25/0244 , H04L25/025 , H04L25/0256 , H04L27/2647
摘要： A Method for estimating the channel in a Long Term Evolution (LTE) communication system, said method involving the step of extracting a Primary Synchronization Signal (PSS) from a received signal and further involving the step of spanning said PSS based Least Square (LS) channel estimation on the 64 sub-carriers so as to facilitate the MMSE channel estimation. Preferably, the spanning is performed by means of an interpolation of the particular sub-carriers which are not allocated to said PSS (#-32, d.c.) The method involves the steps of: —Perform LS channel estimation on the 62 sub-carriers containing the PSS (40)—reconstruct the LS channel estimation on the 64 central sub-carriers by interpolating (41) on subcarriers not allocated to said PSS; —Apply (42) an Inverse DFT or Inverse Fast Fourrier Transform—Extract (43) the L first samples, with L corresponding to the length of the channel; —multiply (44) by (FLHFL+σ2Ch−1)−1—Zero-pad (45) the resulting signal to length 64; —Apply (46) a DFT or an FFT.
摘要翻译：一种用于在长期演进（LTE）通信系统中估计信道的方法，所述方法涉及从接收信号中提取主同步信号（PSS）的步骤，并且还涉及跨越所述基于PSS的最小二乘法（LS）的步骤，对64个子载波进行信道估计，以便于MMSE信道估计。优选地，通过未分配给所述PSS（＃-32，dc）的特定子载波的内插来执行跨越。该方法包括以下步骤： - 对62个副载波进行LS信道估计，其包含 PSS（40）通过对未分配给所述PSS的子载波进行内插（41）来重构64个中心子载波上的LS信道估计; - 应用（42）反向DFT或反向快速傅里叶变换提取（43）L个第一个样本，L对应于信道的长度; （45）由（FLHFL +＆sgr。2Ch-1）-1-Zero-pad（45）将所得到的信号长度为64; - 应用（46）DFT或FFT。

12. 发明授权

US08189709B2 Frequency domain equalization method for continuous phase modulated signals 失效
标题翻译：用于连续相位调制信号的频域均衡方法
公开(公告)号：US08189709B2
公开(公告)日：2012-05-29
申请号：US12780629
申请日：2010-05-14
申请人： Wim Van Thillo , Andre Bourdoux
发明人： Wim Van Thillo , Andre Bourdoux
IPC分类号： H04L27/10
CPC分类号： H04L27/22 , H04L25/0224 , H04L25/0244 , H04L25/03159 , H04L25/03254 , H04L2025/03407 , H04L2025/03522
摘要： A method for frequency domain equalization of a cyclic CPM signal received via a channel is disclosed. In one aspect, the method includes representing the received cyclic CPM signal as a matrix model comprising a channel matrix representing influence of the channel, separate from a Laurent pulse matrix and a pseudocoefficient matrix respectively representing Laurent pulses and pseudocoefficients determined by Laurent decomposition of the received cyclic CPM signal. The method may further include applying a channel equalizer on the separate channel matrix and after the equalization. It may further include demodulating the received cyclic CPM signal by the matrix model, the demodulation exploiting known correlation properties of the Laurent pulses and the pseudocoefficients.
摘要翻译：公开了一种经由信道接收的循环CPM信号的频域均衡的方法。在一个方面，该方法包括将接收到的循环CPM信号表示为包括表示信道影响的信道矩阵的矩阵模型，该信道矩阵与Laurent脉冲矩阵分离，并且分别表示由接收到的Laurent脉冲和由Laurent分解确定的Laurent脉冲和伪系数的伪效率矩阵循环CPM信号。该方法还可以包括在分离的信道矩阵上和均衡之后应用信道均衡器。它还可以包括通过矩阵模型解调所接收的循环CPM信号，解调利用Laurent脉冲和伪系数的已知相关特性。

13. 发明授权

US08175135B1 Equalizer with adaptive noise loading 有权
标题翻译：均衡器具有自适应噪声负载
公开(公告)号：US08175135B1
公开(公告)日：2012-05-08
申请号：US12612695
申请日：2009-11-05
申请人： Meir Griniasty
发明人： Meir Griniasty
IPC分类号： H04B1/00
CPC分类号： H04L25/03019 , H04L25/0212 , H04L25/0244 , H04L2025/03509 , H04L2025/03566
摘要： A method for communication includes receiving signals at a receiver from one or more sources, including a target signal transmitted by a given transmitter. A channel response is estimated from the given transmitter to the receiver, and a filter response is computed by taking a sum of an autocorrelation of the received signals with an adaptive noise factor, and applying the sum to the estimated channel response. The filter response is applied to the received signals in order to recover the target signal.
摘要翻译：一种用于通信的方法包括从一个或多个源在接收机处接收信号，包括由给定发射机发送的目标信号。从给定的发射机估计信道响应到接收机，并且通过将接收到的信号的自相关和自适应噪声因子的和相加，并将该和应用到所估计的信道响应来计算滤波器响应。滤波器响应应用于接收到的信号，以便恢复目标信号。

14. 发明授权

US08155234B2 Method for processing a data signal, data processing unit and computer program product 有权
标题翻译：处理数据信号的方法，数据处理单元和计算机程序产品
公开(公告)号：US08155234B2
公开(公告)日：2012-04-10
申请号：US12279536
申请日：2007-02-14
申请人： Chin Keong Ho , Sumei Sun , Ho Wang Fung , Chin Ming Pang , Zhaohui Cai
发明人： Chin Keong Ho , Sumei Sun , Ho Wang Fung , Chin Ming Pang , Zhaohui Cai
IPC分类号： H04B7/02
CPC分类号： H04L25/0244 , H04L1/0668 , H04L27/2626 , H04L27/2647
摘要： A method for processing a data signal received via a communication channel is described, comprising determining a first matrix comprising components describing characteristics of the communication channel and inverting the first matrix by sub-dividing the first matrix into at least four sub matrices, inverting a first sub matrix of the four sub matrices generating a second matrix by multiplying a second sub matrix of the four sub matrices with the inverted first matrix and a third sub matrix of the four sub matrices, determining the difference matrix between the second matrix and a fourth sub matrix of the four sub matrices inverting the difference matrix and calculating the inverted matrix based on the inverted difference matrix. The data signal is processed using the inverted first matrix.
摘要翻译：描述了一种用于处理经由通信信道接收的数据信号的方法，包括：确定第一矩阵，其包括描述所述通信信道的特征的组件，并且通过将所述第一矩阵细分为至少四个子矩阵来反转所述第一矩阵，所述四个子矩阵的子矩阵通过将所述四个子矩阵的第二子矩阵与所述四个子矩阵的反转第一矩阵和第三子矩阵相乘来生成第二矩阵，确定所述第二矩阵与第四子矩阵之间的差矩阵矩阵反演差分矩阵的四个子矩阵，并基于反相差矩阵计算反相矩阵。使用倒置的第一矩阵处理数据信号。

15. 发明授权

US08135101B2 Data equalisation in a communication receiver wth transmit and receive diversity 有权
标题翻译：通信接收机中的数据均衡发送和接收分集
公开(公告)号：US08135101B2
公开(公告)日：2012-03-13
申请号：US12520996
申请日：2007-12-12
申请人： Thanh Bui , Allen Yuan , Holly He , Tao Lin
发明人： Thanh Bui , Allen Yuan , Holly He , Tao Lin
IPC分类号： H04B1/00
CPC分类号： H04B7/0845 , H04B1/71052 , H04B7/0854 , H04L25/0204 , H04L25/0244 , H04L25/03292 , H04L2025/03426
摘要： A method of performing data equalization in a communication receiver with transmit and receive diversity includes (a) for each i-th receiver antenna and j-th transmitter antenna, calculating a channel response matrix Hi,j from multi-path channel estimates, (b) each i-th receiver antenna, calculating a channel gain matrix Gi from the channel response matrices Hi,j and a scalar noise factor β, (c) calculating the middle column c0 of Gi−1, (d) calculating a filter coefficient vector wi,j from the middle column c0 of Gi−1 of and the Hermitian transpose Hi,jH of the corresponding channel response matrices Hi,j, (e) filtering input data ri received at each i-th receiver antenna with the corresponding filter coefficient vectors wi,j, (f) despreading the filtered input data from each i-th receiver antenna, (g) applying phase compensation to the despread data, and (h) combining the despread data from all antennas to obtain received equalized data.
摘要翻译：在具有发射和接收分集的通信接收机中执行数据均衡的方法包括（a）对于每个第i个接收机天线和第j个发射机天线，从多径信道估计中计算信道响应矩阵Hi，j（b ）每个第i个接收机天线，从信道响应矩阵Hi，j和标量噪声因子＆bgr计算信道增益矩阵Gi;（c）计算Gi-1的中间列c0，（d）计算滤波器系数对应的通道响应矩阵Hi，j，（e）对每个第i个接收机天线接收到的输入数据进行滤波，并将相应的滤波器系数向量wi，j，（f）从每个第i个接收机天线解扩滤波后的输入数据，（g）对解扩数据进行相位补偿，以及（h）组合来自所有天线的解扩数据，以获得接收的均衡数据。

16. 发明授权

US08077592B2 Packet processing systems and methods 有权
标题翻译：数据包处理系统和方法
公开(公告)号：US08077592B2
公开(公告)日：2011-12-13
申请号：US11186260
申请日：2005-07-21
申请人： Mark A. Webster , Michael J. Seals
发明人： Mark A. Webster , Michael J. Seals
IPC分类号： H04J9/00
CPC分类号： H04L25/0204 , H04B7/02 , H04B7/0413 , H04B7/0697 , H04L5/0023 , H04L5/0048 , H04L25/0226 , H04L25/0244 , H04L27/2607 , H04L27/2613 , H04W24/00
摘要： Various packet processing systems and methods are disclosed. One method embodiment, among others, comprises providing a legacy long training symbol (LTS), and inserting subcarriers in the legacy LTS to form an extended LTS (ELTS).
摘要翻译：公开了各种分组处理系统和方法。一个方法实施例，其中包括提供遗留长训练符号（LTS），以及在传统LTS中插入子载波以形成扩展LTS（ELTS）。

17. 发明申请

US20110135019A1 SIMPLIFIED EQUALIZATION SCHEME FOR DISTRIBUTED RESOURCE ALLOCATION IN MULTI-CARRIER SYSTEMS 有权
标题翻译：多载波系统中分布式资源分配的简化均衡方案
公开(公告)号：US20110135019A1
公开(公告)日：2011-06-09
申请号：US13057276
申请日：2008-08-04
申请人： Xiabo Zhang , Ni Ma
发明人： Xiabo Zhang , Ni Ma
IPC分类号： H04L27/00
CPC分类号： H04L25/03159 , H04L25/022 , H04L25/0228 , H04L25/0244 , H04L25/03821
摘要： In multi-carrier systems, distributed resource allocation of the resources of multiple user equipments (UEs) can result in better frequency diversity gain but can also induce Inter-Carrier Interference (ICI) between UEs. This ICI can become quite serious in a high mobility environment. Based on a novel radio channel model for ICI cancellation in multi-carrier systems and an iterative channel estimation scheme for ICI cancellation in multi-carrier systems, the present invention provides a simplified equalization scheme in the frequency domain to determine and remove ICI of both a targeting UE as well as other UEs.
摘要翻译：在多载波系统中，多用户设备（UE）的资源的分布式资源分配可以导致更好的频率分集增益，但也可以引起UE间的载波间干扰（ICI）。这个ICI在高移动性环境中可能变得相当严重。基于用于多载波系统中的ICI消除的新型无线电信道模型和用于多载波系统中的ICI消除的迭代信道估计方案，本发明提供了频域中的简化均衡方案，以确定和去除两个瞄准UE以及其他UE。

18. 发明申请

US20110135018A1 RADIO CHANNEL MODEL FOR ICI CANCELLATION IN MULTI-CARRIER SYSTEMS 有权
标题翻译：用于多载波系统中ICI消除的无线电信道模型
公开(公告)号：US20110135018A1
公开(公告)日：2011-06-09
申请号：US13057233
申请日：2008-08-04
申请人： Xiabo Zhang , Ni Ma
发明人： Xiabo Zhang , Ni Ma
IPC分类号： H04L27/00
CPC分类号： H04L25/03159 , H04L25/022 , H04L25/0228 , H04L25/0244 , H04L25/03821
摘要： A channel modeling method for Inter Carrier Interference (ICI) cancellation in multi-carrier wireless communication systems comprises: describing the channel with a plurality of fixed matrices and an equal-numbered plurality of unfixed variables; one-to-one pairing each of the described plurality of unfixed variables with one of described plurality of fixed matrices. Corresponding system is also provided. The method and system can compensate for the channel distortion of the Doppler Effect even if the Doppler Frequency Offset is relatively significant.
摘要翻译：一种用于多载波无线通信系统中的载波间干扰（ICI）消除的信道建模方法，包括：用多个固定矩阵和等于多个非固定变量描述信道; 将所描述的多个未固定变量中的每一个与所述多个固定矩阵中的一个进行一对一配对。还提供了相应的系统。该方法和系统可以补偿多普勒效应的信道失真，即使多普勒频率偏移相对较大。

19. 发明申请

US20110125819A1 MINIMUM MEAN SQUARE ERROR PROCESSING 有权
标题翻译：最小均方误差处理
公开(公告)号：US20110125819A1
公开(公告)日：2011-05-26
申请号：US12623656
申请日：2009-11-23
申请人： Raied N. Mazahreh , Hai-Jo Tarn , Raghavendar M. Rao
发明人： Raied N. Mazahreh , Hai-Jo Tarn , Raghavendar M. Rao
IPC分类号： G06F17/16 , G06F7/552 , G06F7/00
CPC分类号： G06F17/16 , G06F7/78 , G06F15/8046 , H04B7/0413 , H04B7/0854 , H04L25/0244
摘要： A first systolic array receives an input set of time division multiplexed matrices from a plurality of channel matrices. In a first mode, the first systolic array performs triangularization on the input matrices, producing a first set of matrices, and in a second mode performs back-substitution on the first set, producing a second set of matrices. In a first mode, a second systolic array performs left multiplication on the second set of matrices with the input set of matrices, producing a third set of matrices. In a second mode, the second systolic array performs cross diagonal transposition on the third set of matrices, producing a fourth set of matrices, and performs right multiplication on the second set of matrices with the fourth set of matrices. The first systolic array switches from the first mode to the second mode after the triangularization, and the second systolic array switches from the first mode to the second mode after the left multiplication.
摘要翻译：第一收缩阵列从多个信道矩阵接收时分多路复用矩阵的输入集合。在第一模式中，第一收缩阵列在输入矩阵上执行三角化，产生第一组矩阵，并且在第二模式中对第一集合执行反替代，产生第二组矩阵。在第一模式中，第二收缩阵列利用输入的矩阵集在第二组矩阵上执行左乘法，产生第三组矩阵。在第二模式中，第二收缩阵列在第三组矩阵上执行交叉对角线转置，产生第四组矩阵，并且在具有第四组矩阵的第二组矩阵上执行右乘法。第一收缩阵列在三角化后从第一模式切换到第二模式，并且第二收缩阵列在左乘法之后从第一模式切换到第二模式。

20. 发明授权

US07929563B2 System and/or method for channel estimation in communication systems 有权
标题翻译：通信系统中用于信道估计的系统和/或方法
公开(公告)号：US07929563B2
公开(公告)日：2011-04-19
申请号：US11336018
申请日：2006-01-20
申请人： Shuangquan Wang , Ali Abdi
发明人： Shuangquan Wang , Ali Abdi
IPC分类号： H04L12/56 , H04J1/16
CPC分类号： H04L25/0226 , H04L25/0204 , H04L25/0224 , H04L25/0244
摘要： Embodiments of methods, devices and/or systems for estimating channel state information are described.
摘要翻译：描述用于估计信道状态信息的方法，设备和/或系统的实施例。

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