公开(公告)号：US08829917B1

公开(公告)日：2014-09-09

申请号：US13470893

申请日：2012-05-14

申请人： William Lo ,  Yiqing Guo ,  Tak Tsui ,  Tsin-Ho Leung ,  Runsheng He ,  Eric Janofsky

发明人： William Lo ,  Yiqing Guo ,  Tak Tsui ,  Tsin-Ho Leung ,  Runsheng He ,  Eric Janofsky

IPC分类号： G01R31/11

CPC分类号： H04L43/50 ,  G01R31/11 ,  H04L12/10

摘要： A physical layer device configured to interface with a plurality of pairs of wires. The physical layer device includes a cable test module configured to transmit a pulse over the plurality of pairs of wires, measure a reflection of the pulse as received from the plurality of pairs of wires, and determine whether a short circuit exists in one of the plurality of pairs of wires based on the measure of the reflection of the pulse. An autonegotiation module is configured to perform autonegotiation to establish a link at a particular speed over the plurality of pairs of wires. The particular speed at which the link is established over the plurality of pairs of wires is based, at least in part, on whether a short circuit exists in one of the plurality of pairs of wires as determined by the cable test module.

摘要翻译： 物理层设备，被配置为与多对线对接口。 物理层设备包括：电缆测试模块，被配置为在所述多对导线上传输脉冲，测量从所述多对导线接收的所述脉冲的反射，并且确定所述多个导线之一中是否存在短路 的基于脉冲反射测量的电线对。 自动协商模块被配置为执行自动协商以在多对线路上以特定速度建立链路。 至少部分地基于由电缆测试模块确定的多对线中的一条线路是否存在短路，在多对线路上建立链路的特定速度是基于的。

公开(公告)号：US08767813B1

公开(公告)日：2014-07-01

申请号：US11656729

申请日：2007-01-23

申请人： Runsheng He

发明人： Runsheng He

IPC分类号： H03H7/30

CPC分类号： H04L25/03057 ,  H04L7/0062 ,  H04L7/0334 ,  H04L25/0307 ,  H04L25/4917 ,  H04L2025/0349

摘要： A circuit comprises an analog to digital converter (ADC) that samples a received signal based on a sampling clock. A feed forward filter communicates with the ADC and does not remove first precursor intersymbol interference from the received signal. An adaptive timing loop circuit that adjusts a timing phase of the sampling clock of said ADC to remove the first precursor intersymbol interference from the received signal. The adaptive timing loop circuit adjusts the timing phase based on at least one of an estimate signal and a loop gain control constant.

摘要翻译： 电路包括基于采样时钟对接收信号进行采样的模数转换器（ADC）。 前馈滤波器与ADC通信，不会从接收到的信号中消除第一个前兆码间干扰。 一种自适应定时环路电路，其调整所述ADC的采样时钟的定时相位，以从接收的信号中去除第一前兆符号间干扰。 自适应定时环路电路基于估计信号和环路增益控制常数中的至少一个来调整定时相位。

公开(公告)号：US08743939B2

公开(公告)日：2014-06-03

申请号：US12215222

申请日：2008-06-26

申请人： Xiaopeng Chen ,  Runsheng He ,  Shuran Wei

发明人： Xiaopeng Chen ,  Runsheng He ,  Shuran Wei

IPC分类号： H03H7/30 ,  H03H7/40 ,  H03K5/159

CPC分类号： H04B3/32 ,  H04B3/231

摘要： A nonlinear echo compensator comprises a mapping circuit that includes a weighting circuit that generates a weighted signal based on a current symbol and a prior symbol and a function generating circuit that selects one of N functions based on the weighted signal, where N is an integer greater than one. The mapping circuit generates a driving signal based on the selected one of the N functions and the weighted signal. A canceling circuit generates a nonlinear echo compensation signal based on the driving signal.

摘要翻译： 非线性回波补偿器包括映射电路，该映射电路包括基于当前符号和先前符号产生加权信号的加权电路，以及基于加权信号选择N个函数之一的函数产生电路，其中N是更大的整数 比一个。 映射电路根据N个功能和加权信号中选择的一个产生驱动信号。 消除电路基于驱动信号产生非线性回波补偿信号。

公开(公告)号：US08327195B1

公开(公告)日：2012-12-04

申请号：US13300354

申请日：2011-11-18

申请人： Haoli Qian ,  William Lo ,  Runsheng He ,  Jeffrey Choun ,  Ping Zheng ,  Hui Wang ,  Yi-Chun Chen ,  Chee Hoe Chu

发明人： Haoli Qian ,  William Lo ,  Runsheng He ,  Jeffrey Choun ,  Ping Zheng ,  Hui Wang ,  Yi-Chun Chen ,  Chee Hoe Chu

IPC分类号： G06F11/00 ,  H03H7/30

CPC分类号： H04L25/03019 ,  H04L1/203 ,  H04L25/03057

摘要： A system including a summer, a comparator, a zero-crossing module, and a control module. The summer is configured to (i) receive a data input signal, and (ii) generate an equalized signal in response to the data input signal. The comparator is configured to generate a recovered data signal in response to the equalized signal. The zero-crossing module is configured to generate a zero-crossing signal in response to the equalized signal. The control module is configured to generate eye information in response to i) the recovered data signal and ii) the zero-crossing signal. The eye information includes characteristic data associated with the recovered data signal, and the characteristic data when plotted provides an eye diagram.

摘要翻译： 包括加法器，比较器，过零模块和控制模块的系统。 夏天被配置为（i）接收数据输入信号，以及（ii）响应于数据输入信号产生均衡的信号。 比较器被配置为响应于均衡的信号产生恢复的数据信号。 过零模块被配置为响应于均衡信号产生过零信号。 控制模块被配置为响应于i）恢复的数据信号和ii）过零信号来生成眼睛信息。 眼睛信息包括与恢复的数据信号相关联的特征数据，并且绘制时的特征数据提供眼图。

公开(公告)号：US08270394B1

公开(公告)日：2012-09-18

申请号：US12345440

申请日：2008-12-29

申请人： Xiaopeng Chen ,  Runsheng He

发明人： Xiaopeng Chen ,  Runsheng He

IPC分类号： H04B1/06

CPC分类号： H04B3/32 ,  H04B3/23

摘要： Methods and apparatus describe techniques for reducing interference signals in a communication signal. An apparatus includes, in at least one aspect, a transceiver circuit to receive a communication signal that includes one or more interference signals and a compensation circuit to generate a compensation signal to compensate for the one or more interference signals in the communication signal based on one or more cancellation coefficients and one or more data symbols.

摘要翻译： 方法和装置描述了用于减少通信信号中的干扰信号的技术。 一种装置在至少一个方面包括收发器电路，用于接收包括一个或多个干扰信号的通信信号和补偿电路，以产生补偿信号，以补偿通信信号中的一个或多个干扰信号 或更多的取消系数和一个或多个数据符号。

公开(公告)号：US08077859B1

公开(公告)日：2011-12-13

申请号：US12748987

申请日：2010-03-29

申请人： Chen Xiaopeng ,  Runsheng He

发明人： Chen Xiaopeng ,  Runsheng He

IPC分类号： H04M9/08

CPC分类号： H04B3/32 ,  H04B3/23

摘要： A physical layer (PHY) device including i) an input configured to receive a first transmit signal transmitted from a remote device, and ii) an output configured to transmit a second transmit signal from the PHY device to the remote device. The second transmit signal causes interference in a receive signal at the input of the PHY device. The PHY device further including a selection module configured to select a first control signal to cancel the interference in the receive signal when the receive signal does not include the first transmit signal and a second control signal to cancel the interference in the receive signal when the receive signal includes the first transmit signal. The interference includes (i) an echo due to the second transmit signal or (ii) crosstalk due to a third transmit signal output by a local PHY device proximate to the PHY device.

摘要翻译： 一种物理层（PHY）设备，包括i）被配置为接收从远程设备发送的第一发送信号的输入，以及ii）被配置为将第二发送信号从PHY设备发送到远程设备的输出。 第二发送信号在PHY设备的输入处引起接收信号的干扰。 所述PHY设备还包括选择模块，所述选择模块被配置为当所述接收信号不包括所述第一发射信号时，选择第一控制信号以消除所述接收信号中的干扰;以及第二控制信号，以在接收时消除所述接收信号中的干扰 信号包括第一发送信号。 干扰包括（i）由于第二发射信号引起的回波或（ii）由靠近PHY设备的本地PHY设备输出的第三发射信号引起的串扰。

公开(公告)号：US08074126B1

公开(公告)日：2011-12-06

申请号：US11810762

申请日：2007-06-07

申请人： Haoli Qian ,  William Lo ,  Runsheng He ,  Jeffrey Choun ,  Ping Zheng ,  Hui Wang ,  Yi-Chun Chen ,  Chee Hoe Chu

发明人： Haoli Qian ,  William Lo ,  Runsheng He ,  Jeffrey Choun ,  Ping Zheng ,  Hui Wang ,  Yi-Chun Chen ,  Chee Hoe Chu

IPC分类号： G06F11/00 ,  H03H7/30

CPC分类号： H04L25/03019 ,  H04L1/203 ,  H04L25/03057

摘要： A signal receiver includes a data recovery module that generates an equalized data signal and a recovered data signal based on a data input signal. An error module generates an error information signal based on the equalized data signal and an error threshold signal. An eye measurement control module generates an eye characteristic signal based on the recovered data signal and the error information signal.

摘要翻译： 信号接收机包括数据恢复模块，该数据恢复模块基于数据输入信号产生均衡的数据信号和恢复的数据信号。 错误模块基于均衡的数据信号和错误阈值信号产生错误信息信号。 眼睛测量控制模块基于恢复的数据信号和错误信息信号产生眼睛特征信号。

公开(公告)号：US07957259B1

公开(公告)日：2011-06-07

申请号：US11894864

申请日：2007-08-21

申请人： Jing Fang ,  Runsheng He ,  Zhipei Chi

发明人： Jing Fang ,  Runsheng He ,  Zhipei Chi

IPC分类号： H04J11/00

CPC分类号： H04L27/2666

摘要： Systems, apparatus and methods are provided for detecting the mode of a received OFDM signal. A received signal may be correlated with one or more time-delayed version of itself resulting in a set of correlation signals. Each correlation signal may be analyzed for one or more characteristics that can be used to determine the symbol length of the received signal. In order to minimize the number of correlations performed, one or more correlations can be used with varying symbol lengths and a fixed guard interval length. The correlation signals can be processed by filters, and the characteristics of the filtered correlation signals can be analyzed to determine the guard interval length of the received signal. In addition to detecting symbol length, the present invention can be used to detect receiver impairment and perform any appropriate compensations.

摘要翻译： 提供了用于检测接收的OFDM信号的模式的系统，装置和方法。 接收到的信号可以与自身的一个或多个时间延迟版本相关，从而产生一组相关信号。 可以分析每个相关信号的一个或多个特性，其可用于确定接收信号的符号长度。 为了最小化执行的相关数量，可以使用具有变化的符号长度和固定的保护间隔长度的一个或多个相关性。 可以通过滤波器来处理相关信号，并且可以分析滤波的相关信号的特性，以确定接收信号的保护间隔长度。 除了检测符号长度之外，本发明可以用于检测接收机损伤并执行任何适当的补偿。

公开(公告)号：US07881688B1

公开(公告)日：2011-02-01

申请号：US11864003

申请日：2007-09-28

申请人： Runsheng He

发明人： Runsheng He

IPC分类号： H04B1/10

CPC分类号： H04B15/00

摘要： In a method for setting a local oscillator (LO) frequency in a receiver, a power level of an interfering signal corresponding to a harmonic of an LO signal is determined. The LO frequency is set based on the determined power level of the interfering signal.

摘要翻译： 在接收机中设置本地振荡器（LO）频率的方法中，确定与LO信号的谐波对应的干扰信号的功率电平。 LO频率基于所确定的干扰信号的功率电平来设置。

公开(公告)号：US07853855B1

公开(公告)日：2010-12-14

申请号：US12538953

申请日：2009-08-11

申请人： Runsheng He

发明人： Runsheng He

IPC分类号： H03M13/00

CPC分类号： H03M13/2957 ,  H03M13/2975 ,  H03M13/6544

摘要： A system includes a clock having a clock frequency. A first buffer configured to buffer a plurality of encoded data frames. An iterative decoder configured to iteratively decode, in accordance with the clock frequency. A first encoded data frame of the plurality of encoded data frames buffered in the first buffer. The iterative decoder generates a confidence result. The iterative decoder compares the confidence result to a predetermined value. The iterative decoder stops iteratively decoding the first encoded data frame based on the comparison of the confidence result to the predetermined value or based on a total number of decoding iterations. The clock frequency of the clock is based on a total number of encoded data frames buffered in the first buffer.

摘要翻译： 系统包括具有时钟频率的时钟。 配置为缓冲多个编码数据帧的第一缓冲器。 配置为根据时钟频率迭代地解码的迭代解码器。 在第一缓冲器中缓冲的多个编码数据帧中的第一编码数据帧。 迭代解码器产生置信度。 迭代解码器将置信度结果与预定值进行比较。 迭代解码器基于置信结果与预定值的比较或者基于解码迭代的总数来停止迭代地解码第一编码数据帧。 时钟的时钟频率基于缓冲在第一缓冲器中的编码数据帧的总数。