公开(公告)号：US20050207346A1

公开(公告)日：2005-09-22

申请号：US10793295

申请日：2004-03-04

申请人： Fred Chu ,  Michael Turner

发明人： Fred Chu ,  Michael Turner

IPC分类号： H04L1/00

CPC分类号： H04L1/0045

摘要： A system for detecting non-linear distortion comprises an error detector and logic. The error detector is configured to estimate signal errors associated with signals communicated across a telecommunication line. The logic is configured to track the signal errors and to detect whether the signals are subject to non-linear distortion based on a history of the signal errors.

摘要翻译： 用于检测非线性失真的系统包括误差检测器和逻辑。 误差检测器被配置为估计与通过电信线路传送的信号相关联的信号误差。 该逻辑被配置为跟踪信号错误并且基于信号错误的历史来检测信号是否受到非线性失真。

公开(公告)号：US20050123031A1

公开(公告)日：2005-06-09

申请号：US10727411

申请日：2003-12-04

申请人： Gary Hunt ,  Fred Chu ,  Lee Gusler

发明人： Gary Hunt ,  Fred Chu ,  Lee Gusler

IPC分类号： H04B3/23 ,  H04M3/00 ,  H04M3/08 ,  H04M3/28 ,  H04Q1/20

CPC分类号： H04B3/238 ,  H04M3/002 ,  H04M3/085 ,  H04M3/28

摘要： An anomaly detection system comprises an echo canceler and anomaly detection logic. The echo canceler has a plurality of taps respectively associated with a plurality of tap coefficients. The anomaly detection logic is configured to determine a difference between a new tap coefficient associated with one of the taps and a previous tap coefficient associated with the one tap. The anomaly detection logic is configured to perform a comparison between the difference and a threshold and to detect an anomaly along a telecommunication line based on the comparison.

摘要翻译： 异常检测系统包括回波消除器和异常检测逻辑。 回波消除器具有分别与多个抽头系数相关联的多个抽头。 异常检测逻辑被配置为确定与抽头之一相关联的新抽头系数与与一次抽头相关联的先前抽头系数之间的差。 异常检测逻辑被配置为执行差异和阈值之间的比较，并且基于该比较来检测沿着电信线路的异常。

公开(公告)号：US09692481B2

公开(公告)日：2017-06-27

申请号：US14857531

申请日：2015-09-17

申请人： Fred Chu ,  Kenneth D. Ko

发明人： Fred Chu ,  Kenneth D. Ko

IPC分类号： H04B3/32

CPC分类号： H04B3/32

摘要： A communication system has a trunk extending from a network facility, such as a central office, with a plurality of distribution points positioned along the trunk. Each leg of the trunk defines a shared channel that permits peak data rates much greater than what would be achievable without channel sharing. As an example, the connections of each respective trunk leg may be bonded. Further, the same modulation format and crosstalk vectoring are used for each leg of the trunk. The crosstalk vectoring cancels both far-end crosstalk (FEXT) that couples between connections of a given trunk leg and crossover crosstalk that couples between one trunk leg and another. In addition, logic determines an amount of excess capacity available for each leg of the trunk and controls error correction based on the determined excess capacity.

公开(公告)号：US09294212B2

公开(公告)日：2016-03-22

申请号：US13913348

申请日：2013-06-07

申请人： Martin Kuipers ,  Richard L. Goodson ,  Fred Chu

发明人： Martin Kuipers ,  Richard L. Goodson ,  Fred Chu

IPC分类号： H04J3/10 ,  H04L5/22 ,  H04L12/403 ,  H04L12/64 ,  H04L12/873

CPC分类号： H04J3/10 ,  H04L5/22 ,  H04L12/403 ,  H04L12/6418 ,  H04L47/52

摘要： A controller at a distribution point (DP) of a communication system is coupled to a plurality of customer premises (CP) transceivers via drop connections. The controller is configured to schedule upstream and downstream data transmissions across the drop connections such that they do not overlap from one drop connection to another thereby avoiding the effects of crosstalk. A flexible frame structure is used to permit dynamic scheduling changes. Overhead for the flexible frame structure is permitted to overlap on the drop connections, and a reduced bit loading is used to communicate the overhead relative to the bit loading used for data transmissions.

摘要翻译： 通信系统的分发点（DP）处的控制器通过分支连接耦合到多个客户驻地（CP）收发器。 控制器被配置为调度跨越分支连接的上游和下游数据传输，使得它们不从一个分支连接重叠到另一个，从而避免串扰的影响。 灵活的帧结构用于允许动态调度更改。 柔性帧结构的开销允许在分接连接上重叠，并且使用减少的比特加载来相对于用于数据传输的比特加载来传送开销。

公开(公告)号：US20140050227A1

公开(公告)日：2014-02-20

申请号：US13971823

申请日：2013-08-20

申请人： Richard L. Goodson ,  Fred Chu ,  Martin Kuipers

发明人： Richard L. Goodson ,  Fred Chu ,  Martin Kuipers

IPC分类号： H04L5/00

CPC分类号： H04L5/0058 ,  H04B3/04 ,  H04B3/32 ,  H04M11/062

摘要： Power dissipation within a network service unit, such as digital-subscriber-line access multiplexer (DSLAM), is treated as a resource that is to be shared among subscribers. In this regard, the total amount of available power dissipation is quantified, and the framing for the data streams communicated across the subscriber lines are controlled to ensure that specified power dissipation limits are not exceeded, accounting for one or more factors, such as traffic load, service level agreement (SLA) specifications, available power, and temperature.

摘要翻译： 网络服务单元（如数字用户线路接入复用器（DSLAM））中的功耗被视为要在订户之间共享的资源。 在这方面，量化可用功耗的总量，并且控制在用户线路上传送的数据流的成帧，以确保不超过规定的功率耗散限制，占一个或多个因素，例如业务负载 ，服务水平协议（SLA）规格，可用功率和温度。

公开(公告)号：US20130272314A1

公开(公告)日：2013-10-17

申请号：US13913348

申请日：2013-06-07

申请人： Martin Kuipers ,  Richard L. Goodson ,  Fred Chu

发明人： Martin Kuipers ,  Richard L. Goodson ,  Fred Chu

IPC分类号： H04J3/10

CPC分类号： H04J3/10 ,  H04L5/22 ,  H04L12/403 ,  H04L12/6418 ,  H04L47/52

摘要： A controller at a distribution point (DP) of a communication system is coupled to a plurality of customer premises (CP) transceivers via drop connections. The controller is configured to schedule upstream and downstream data transmissions across the drop connections such that they do not overlap from one drop connection to another thereby avoiding the effects of crosstalk. A flexible frame structure is used to permit dynamic scheduling changes. Overhead for the flexible frame structure is permitted to overlap on the drop connections, and a reduced bit loading is used to communicate the overhead relative to the bit loading used for data transmissions.

摘要翻译： 通信系统的分发点（DP）处的控制器通过分支连接耦合到多个客户驻地（CP）收发器。 控制器被配置为调度跨越分支连接的上游和下游数据传输，使得它们不从一个分支连接重叠到另一个，从而避免串扰的影响。 灵活的帧结构用于允许动态调度更改。 柔性帧结构的开销允许在分接连接上重叠，并且使用减少的比特加载来相对于用于数据传输的比特加载来传送开销。

公开(公告)号：US20130010585A1

公开(公告)日：2013-01-10

申请号：US13178249

申请日：2011-07-07

申请人： Fred Chu ,  Kenneth D. Ko ,  Richard Goodson ,  Kevin W. Schneider

发明人： Fred Chu ,  Kenneth D. Ko ,  Richard Goodson ,  Kevin W. Schneider

IPC分类号： H04J3/10

CPC分类号： H04B3/32

摘要： A communication system has a trunk extending from a network facility, such as a central office, with a plurality of distribution points positioned along the trunk. Each leg of the trunk defines a shared channel that permits peak data rates much greater than what would be achievable without channel sharing. As an example, the connections of each respective trunk leg may be bonded. Further, the same modulation format and crosstalk vectoring are used for each leg of the trunk. The crosstalk vectoring cancels both far-end crosstalk (FEXT) that couples between connections of a given trunk leg and crossover crosstalk that couples between one trunk leg and another. In addition, logic determines an amount of excess capacity available for each leg of the trunk and controls error correction based on the determined excess capacity.

摘要翻译： 通信系统具有从诸如中心局的网络设施延伸的中继线，沿着中继线定位多个分配点。 中继线的每一条都定义了一个共享信道，允许峰值数据速率远远大于没有信道共享可实现的数据速率。 作为示例，每个相应的中继支路的连接可以被联结。 此外，相同的调制格式和串扰向量被用于中继线的每个支路。 串扰向量消除了在给定中继线的连接之间耦合的远端串扰（FEXT）和耦合在一个中继线与另一个之间的交叉串扰。 此外，逻辑决定了可用于中继线的每个支路的超量容量的量，并且基于所确定的过剩容量来控制纠错。

公开(公告)号：US08242785B2

公开(公告)日：2012-08-14

申请号：US12267273

申请日：2008-11-07

申请人： Gary Hunt ,  Fred Chu ,  Lee T. Gusler, Jr.

发明人： Gary Hunt ,  Fred Chu ,  Lee T. Gusler, Jr.

IPC分类号： G01R31/11

CPC分类号： H04B3/238 ,  H04M3/002 ,  H04M3/085 ,  H04M3/28

摘要： An anomaly detection system comprises an echo canceler and anomaly detection logic. The echo canceler has a plurality of taps respectively associated with a plurality of tap coefficients. The anomaly detection logic is configured to determine a difference between a new tap coefficient associated with one of the taps and a previous tap coefficient associated with the one tap. The anomaly detection logic is configured to perform a comparison between the difference and a threshold and to detect an anomaly along a telecommunication line based on the comparison.

摘要翻译： 异常检测系统包括回波消除器和异常检测逻辑。 回波消除器具有分别与多个抽头系数相关联的多个抽头。 异常检测逻辑被配置为确定与抽头之一相关联的新抽头系数与与一次抽头相关联的先前抽头系数之间的差。 异常检测逻辑被配置为执行差异和阈值之间的比较，并且基于该比较来检测沿着电信线路的异常。

公开(公告)号：US09742905B1

公开(公告)日：2017-08-22

申请号：US12839402

申请日：2010-07-19

申请人： Kevin W. Schneider ,  Fred Chu ,  Kenneth D. Ko ,  Richard Goodson

发明人： Kevin W. Schneider ,  Fred Chu ,  Kenneth D. Ko ,  Richard Goodson

IPC分类号： H04M3/00

CPC分类号： H04M19/00 ,  H04L12/18 ,  H04L12/2861 ,  H04L12/2867 ,  H04L12/2869 ,  H04L12/2878 ,  H04M3/005 ,  H04M3/007 ,  H04M11/062 ,  Y02D50/30

摘要： The present disclosure generally pertains to systems and methods for communicating data. In one exemplary embodiment, a system has a high-speed channel, such as an optical fiber, between a network facility, such as a central office (CO), and a first intermediate point between the network facility and a plurality of customer premises (CP). Digital communication links, such as DSL links, are used to carry data between the first intermediate point, such as a feeder distribution interface (FDI), and a second intermediate point, such as the Distribution Point (DP). Non-shared links may then carry the data from the second intermediate point to the CPs. The links between the two intermediate points are bonded to create a high-speed, shared data channel that permits peak data rates much greater than what would be achievable without bonding. In some embodiments, multicast data flows may be prioritized and transmitted across a set of connections to each of the intermediate points. In addition, it is possible to power components at the intermediate points from one or more of the CPs.

公开(公告)号：US09143195B2

公开(公告)日：2015-09-22

申请号：US13178249

申请日：2011-07-07

申请人： Fred Chu ,  Kenneth D. Ko ,  Richard Goodson ,  Kevin W. Schneider

发明人： Fred Chu ,  Kenneth D. Ko ,  Richard Goodson ,  Kevin W. Schneider

IPC分类号： H04J1/12 ,  H04L12/66 ,  H04B3/32

CPC分类号： H04B3/32

摘要： A communication system has a trunk extending from a network facility, such as a central office, with a plurality of distribution points positioned along the trunk. Each leg of the trunk defines a shared channel that permits peak data rates much greater than what would be achievable without channel sharing. As an example, the connections of each respective trunk leg may be bonded. Further, the same modulation format and crosstalk vectoring are used for each leg of the trunk. The crosstalk vectoring cancels both far-end crosstalk (FEXT) that couples between connections of a given trunk leg and crossover crosstalk that couples between one trunk leg and another. In addition, logic determines an amount of excess capacity available for each leg of the trunk and controls error correction based on the determined excess capacity.

摘要翻译： 通信系统具有从诸如中心局的网络设施延伸的中继线，沿着中继线定位多个分配点。 中继线的每一条都定义了一个共享信道，允许峰值数据速率远远大于没有信道共享可实现的数据速率。 作为示例，每个相应的中继支路的连接可以被联结。 此外，相同的调制格式和串扰向量被用于中继线的每个支路。 串扰向量消除了在给定中继线的连接之间耦合的远端串扰（FEXT）和耦合在一个中继线与另一个之间的交叉串扰。 此外，逻辑决定了可用于中继线的每个支路的超量容量的量，并且基于所确定的过剩容量来控制纠错。