公开(公告)号：US5995560A

公开(公告)日：1999-11-30

申请号：US113343

申请日：1998-07-10

申请人： Tzvi Shukhman ,  Avi Kliger ,  Amir Ilevitzky

发明人： Tzvi Shukhman ,  Avi Kliger ,  Amir Ilevitzky

IPC分类号： H04L25/03 ,  H04L25/49 ,  H03D1/00 ,  H04L27/06

CPC分类号： H04L25/03057 ,  H04L25/03267 ,  H04L25/4919

摘要： A vector decoder for detecting symbols transmitted along a communication channel is disclosed, as is a method for decoding symbols. The decoder includes at least two pairs of decision feedback equalizers and noise predictors operating on a plurality M of vectors of symbols being detected, a path storage unit, a metric determiner a sorter and a path builder. The vectors are ordered in accordance with quality levels and each noise predictor estimates the noise associated with its associated vector. The path storage unit stores M of the ordered vectors, each vector being of length L. The metric determiner is connected to the output of all of the decision feedback equalizers and the noise predictors and produces a performance metric for each of Q branches extending from each vector. Each branch is associated with one of Q possible symbol values. The sorter is connected to the output of the metric determiner and sorts data, formed of a) the symbol values and b) the vectors which they extend, in accordance with their performance metrics. The sorter also orders, from the M*Q performance metrics, the data having the M best performance metrics. The path builder is connected to the output of the sorter and associates the ordered data with the appropriate ones of the previously stored ordered vectors.

摘要翻译： 公开了用于检测沿着通信信道发送的符号的向量解码器，用于对符号进行解码的方法。 解码器包括至少两对判决反馈均衡器和噪声预测器，其对被检测的符号的多个向量进行操作，路径存储单元，度量确定器分类器和路径构建器。 向量根据质量级别排序，并且每个噪声预测器估计与其相关矢量相关联的噪声。 路径存储单元存储有序矢量的M，每个矢量的长度为L。度量确定器连接到所有判决反馈均衡器和噪声预测器的输出，并且产生从每个矢量延伸的每个Q分支的性能度量 向量。 每个分支与Q个可能的符号值之一相关联。 分拣机连接到度量确定器的输出端，并根据其性能指标对由a）符号值和b）它们扩展的向量组成的数据进行排序。 分拣机还从M * Q性能指标中订购具有M个最佳性能指标的数据。 路径构建器连接到分拣机的输出端，并将有序数据与先前存储的有序向量中的相应数据相关联。

公开(公告)号：US07636406B2

公开(公告)日：2009-12-22

申请号：US10838974

申请日：2004-05-05

申请人： Amir Leshem ,  Nir Tal

发明人： Amir Leshem ,  Nir Tal

IPC分类号： H04B7/10

CPC分类号： H04L1/0618

摘要： A Multiple Input Multiple Output (MIMO) transmitter/receiver system has a reduced complexity decoder for receiving and decoding simultaneously several transmitted signals. The transmitter includes a space time coded modulation (STCM) block in the decoder. The transmitter/receiver system provides a reduced complexity approximation of optimal Maximum Likelihood Estimation (MLE) methods while maintaining most of the performance gain and simplifying the implementation.

摘要翻译： 多输入多输出（MIMO）发射机/接收机系统具有降低的复杂度的解码器，用于同时接收和解码若干发射信号。 发射机在解码器中包括时空编码调制（STCM）块。 发射机/接收机系统提供了最佳最大似然估计（MLE）方法的降低的复杂度近似，同时保持了大部分的性能增益并简化了实现。

公开(公告)号：US20060277216A1

公开(公告)日：2006-12-07

申请号：US11443933

申请日：2006-05-31

申请人： Tzvika Shukhman

发明人： Tzvika Shukhman

IPC分类号： G06F17/00

CPC分类号： G06K19/077 ,  G06K19/07732

摘要： Portable media storage device with wireless network connectivity. A portable storage device is proposed for enabling wireless communication between the portable storage device and one or more multimedia terminals and/or devices. The portable storage device includes a wireless circuitry for communicating with any of the wireless devices. When communicating on the wireless network, the portable storage device can transmit to any of the wireless devices data stored in its memory. Additionally, data streaming between portable storage device and at least one multimedia devices and or terminals may be performed simultaneously.

摘要翻译： 带无线网络连接的便携式媒体存储设备。 提出了便携式存储装置，用于实现便携式存储装置与一个或多个多媒体终端和/或装置之间的无线通信。 便携式存储设备包括用于与任何无线设备进行通信的无线电路。 当在无线网络上进行通信时，便携式存储设备可以向无线设备中的任何一个传送存储在其存储器中的数据。 此外，可以同时执行便携式存储设备与至少一个多媒体设备和/或终端之间的数据流。

公开(公告)号：US07643439B2

公开(公告)日：2010-01-05

申请号：US11422909

申请日：2006-06-08

申请人： Yuval Kochman ,  Moshe Penso

发明人： Yuval Kochman ,  Moshe Penso

IPC分类号： G08C17/00

CPC分类号： H04W52/0261 ,  H04W88/02 ,  Y02D70/142

摘要： Method and system for reducing the power consumption in a receiver. A power consumption control module reconfigures the receiver for every packet received by the receiver, by setting the receiver's modules to an optimal mode of operation from a power consumption perspective, based on parameters extracted from each packet header.

摘要翻译： 一种降低接收机功耗的方法和系统。 功率消耗控制模块根据从每个分组报头提取的参数，通过从功耗角度将接收机的模块设置为最佳操作模式，为接收机接收的每个分组重新配置接收机。

公开(公告)号：US07642851B2

公开(公告)日：2010-01-05

申请号：US11767678

申请日：2007-06-25

申请人： Dale Scott Douglas

发明人： Dale Scott Douglas

IPC分类号： H03F3/45

CPC分类号： H03F3/45475 ,  H03F3/453 ,  H03F3/45802 ,  H03F2203/45136 ,  H03F2203/45302 ,  H03F2203/45521 ,  H03G3/001

摘要： An improved VGA design offering a purely ratiometric mechanism for controlling gain by current-steering. A control loop delivers a reference voltage to a control amplifier that steers current and match the common mode output voltage (CMOV) with said predefined reference voltage. The VGA is designed so that, although the absolute gain varies over process, voltage, and temperature (PVT), the gain steps retain their values. Moreover, a method for controlling the gain in a VGA in a way that is insensitive to PVT is also disclosed. First, a voltage representing the required gain of the VGA in injected to the outputs of the VGA. Then, the CMOV of the VGA is sampled. Finally, the CMOV is subtracted by a predefined reference voltage and is fed back as bias to bases of the transistors of the VGA, thus controlling it gain, until the CMOV and the reference voltage become equal.

摘要翻译： 改进的VGA设计提供了一种纯比例计算机制，用于通过电流转向控制增益。 控制回路将参考电压提供给控制放大器，该控制放大器转向电流并使共模输出电压（CMOV）与所述预定参考电压相匹配。 VGA的设计使得尽管绝对增益随过程，电压和温度（PVT）而变化，但增益步长仍然保持其值。 此外，还公开了以对PVT不敏感的方式控制VGA中的增益的方法。 首先，表示VGA注入VGA输出所需增益的电压。 然后，对VGA的CMOV进行采样。 最后，CMOV被预定的参考电压减去，并作为偏置反馈到VGA的晶体管的基极，从而控制其增益，直到CMOV和参考电压变得相等。

公开(公告)号：US07609789B2

公开(公告)日：2009-10-27

申请号：US11132717

申请日：2005-05-19

申请人： Amir Leshem

发明人： Amir Leshem

IPC分类号： H04K1/10

CPC分类号： H04L27/2657 ,  H04L27/2662 ,  H04L27/2675

摘要： The present invention provides a method for reducing phase noise in OFDM systems by analyzing a time-dependent representation of the phase noise that changes in real time according to received data. The analysis of real time signals is based on processing statistical properties of phase noise and received data. The statistical properties of phase noise are represented by a covariance matrix Rψψ. The basis of the multiplicative phase noise decomposition which represents the varying in time phase noise component, is selected from the eigenvectors of Rψψ. The present invention suggests replacing the fixed representation of the phase noise as suggested by prior art with a system and time-dependent representation that changes in real time according to received data.The method according to the present invention is implemented within An OFDM transceiver.

摘要翻译： 本发明提供了一种通过分析根据接收到的数据实时改变的相位噪声的时间依赖性表示来减少OFDM系统中的相位噪声的方法。 实时信号分析基于相位噪声和接收数据的统计特性处理。 相位噪声的统计特性由协方差矩阵Rpsipsi表示。 代表时间相位噪声分量变化的乘法相位噪声分解的基础是从Rpsipsi的特征向量中选出的。 本发明建议用现有技术提出的相位噪声的固定表示替换具有根据接收到的数据实时改变的系统和随时间变化的表示。 根据本发明的方法在OFDM收发器内实现。

公开(公告)号：US5963598A

公开(公告)日：1999-10-05

申请号：US518119

申请日：1995-08-22

申请人： Tzvi Shukhman ,  Avi Kliger ,  Amir Ilevitzky

发明人： Tzvi Shukhman ,  Avi Kliger ,  Amir Ilevitzky

IPC分类号： H04L25/03 ,  H04L25/49 ,  H03D1/04

CPC分类号： H04L25/03057 ,  H04L25/03267 ,  H04L25/4919

摘要： A vector decoder for detecting symbols transmitted along a communication channel is disclosed, as is a method for decoding symbols. The decoder includes at least two pairs of decision feedback equalizers and noise predictors operating on a plurality M of vectors of symbols being detected, a path storage unit, a metric determiner a sorter and a path builder. The vectors are ordered in accordance with quality levels and each noise predictor estimates the noise associated with its associated vector. The path storage unit stores M of the ordered vectors, each vector being of length L. The metric determiner is connected to the output of all of the decision feedback equalizers and the noise predictors and produces a performance metric for each of Q branches extending from each vector. Each branch is associated with one of Q possible symbol values. The sorter is connected to the output of the metric determiner and sorts data, formed of a) the symbol values and b) the vectors which they extend, in accordance with their performance metrics. The sorter also orders, from the M*Q performance metrics, the data having the M best performance metrics. The path builder is connected to the output of the sorter and associates the ordered data with the appropriate ones of the previously stored ordered vectors.

摘要翻译： 公开了用于检测沿着通信信道发送的符号的向量解码器，用于对符号进行解码的方法。 解码器包括至少两对判决反馈均衡器和噪声预测器，其对被检测的符号的多个向量进行操作，路径存储单元，度量确定器分类器和路径构建器。 向量根据质量级别排序，并且每个噪声预测器估计与其相关矢量相关联的噪声。 路径存储单元存储有序矢量的M，每个矢量的长度为L。度量确定器连接到所有判决反馈均衡器和噪声预测器的输出，并且产生从每个矢量延伸的每个Q分支的性能度量 向量。 每个分支与Q个可能的符号值之一相关联。 分拣机连接到度量确定器的输出端，并根据其性能指标对由a）符号值和b）它们扩展的向量组成的数据进行排序。 分拣机还从M * Q性能指标中订购具有M个最佳性能指标的数据。 路径构建器连接到分拣机的输出端，并将有序数据与先前存储的有序向量中的相应数据相关联。