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    • 2. 发明授权
    • Systems and methods for communicating with multiple distribution points of a network
    • 用于与网络的多个分发点通信的系统和方法
    • US08411696B1
    • 2013-04-02
    • US12839400
    • 2010-07-19
    • Kenneth D. KoKevin W. Schneider
    • Kenneth D. KoKevin W. Schneider
    • H04L12/56H04J1/16
    • H04M19/00H04L12/18H04L12/2861H04L12/2867H04L12/2869H04L12/2878H04M3/005H04M3/007H04M11/062Y02D50/30
    • 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.
    • 本公开通常涉及用于传送数据的系统和方法。 在一个示例性实施例中,系统在诸如中心局(CO)的网络设施和网络设施与多个客户驻地之间的第一中间点之间具有诸如光纤之类的高速信道( CP)。 诸如DSL链路的数字通信链路用于在第一中间点(例如馈线分配接口(FDI))和诸如分配点(DP)的第二中间点之间传送数据。 然后,非共享链路可以将数据从第二中间点传送到CP。 两个中间点之间的链接被粘合以产生高速共享数据信道,其允许峰值数据速率远大于没有粘合可实现的数据速率。 在一些实施例中,多播数据流可以被优先化并且跨越一组连接发送到每个中间点。 另外,可以从一个或多个CP的中间点处的元件供电。
    • 3. 发明申请
    • SYSTEMS AND METHODS FOR COMMUNICATING AMONG NETWORK DISTRIBUTION POINTS
    • 在网络分配点上进行通信的系统和方法
    • US20130010585A1
    • 2013-01-10
    • US13178249
    • 2011-07-07
    • Fred ChuKenneth D. KoRichard GoodsonKevin W. Schneider
    • Fred ChuKenneth D. KoRichard GoodsonKevin W. Schneider
    • H04J3/10
    • H04B3/32
    • 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.
    • 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。
    • 4. 发明授权
    • System and method for adaptively updating precoder taps
    • 用于自适应地更新预编码器抽头的系统和方法
    • US07483481B1
    • 2009-01-27
    • US10930343
    • 2004-08-31
    • Ayman GhobrialFred ChuMichael D. TurnerKevin W. Schneider
    • Ayman GhobrialFred ChuMichael D. TurnerKevin W. Schneider
    • H03H7/30
    • H04L25/03343H04L2025/03802
    • A system for adaptively updating precoder taps comprises a first signal path, a second signal path, a delay mechanism, and logic. The first signal path is configured to receive encoded signals. The first signal path has a decoder that is configured to decode the encoded signals thereby recovering data originally transmitted from a remote transmitter. The delay mechanism is configured to receive and delay the encoded signals. The second signal path is connected in parallel with the first signal path and is configured to receive the encoded signals delayed by the delay mechanism. The second signal path has an adaptive filter configured to filter the encoded signals received by the second signal path based on a set of coefficients of the adaptive filter. The adaptive filter is configured to adaptively update the coefficients based on the data recovered by the first signal path. The logic is configured to adaptively generate new precoder taps based on the coefficients and to transmit the new precoder taps to a precoder.
    • 用于自适应地更新预编码器抽头的系统包括第一信号路径,第二信号路径,延迟机制和逻辑。 第一信号路径被配置为接收编码信号。 第一信号路径具有解码器,其被配置为对编码的信号进行解码,从而恢复最初从远程发射机发送的数据。 延迟机构被配置为接收和延迟编码的信号。 第二信号路径与第一信号路径并联连接,并被配置为接收延迟机制延迟的编码信号。 第二信号路径具有自适应滤波器,其被配置为基于自适应滤波器的一组系数来对由第二信号路径接收的编码信号进行滤波。 自适应滤波器被配置为基于由第一信号路径恢复的数据自适应地更新系数。 逻辑被配置为基于系数自适应地生成新的预编码器抽头,并将新的预编码器抽头发送到预编码器。
    • 5. 发明授权
    • Mechanism for providing full utilization of high data rate serial
communication link conveying data sourced from data terminal equipment
and compressed by high compression ratio data compression-protocol
engine
    • 提供充分利用高数据速率串行通信链路的机制,传送数据源自数据终端设备并由高压缩比数据压缩协议引擎压缩
    • US5805600A
    • 1998-09-08
    • US611644
    • 1996-03-06
    • W. Stuart VentersKevin W. Schneider
    • W. Stuart VentersKevin W. Schneider
    • H04J3/18
    • H04J3/1647H04L25/14H04L69/04H04L69/14
    • State of the art data compression-protocol engines provide high compression ratios for improving data transport over a high data rate serial communication link. However, a respective data port of data terminal equipment may not be capable of being clocked at a sufficiently high clock rate, which limits the performance of the data compression-protocol engine, and prevents full utilization of the available bandwidth of the serial link. To remedy this problem, data terminal equipment and data compression-protocol engine components that provide auxiliary data communication port connectivity are employed. Data from the data terminal equipment is clocked to the data compression-protocol engine over a plurality of parallel data paths. This increases the effective clock rate and enables the data compression-protocol engine to output a compressed data stream that fully utilizes the bandwidth of the network. The data compression-protocol engine is programmable for either parallel data path transport or single path data transport to the network interface. In one embodiment, plural data streams from the data terminal equipment are compressed and then time division multiplexed onto the network. In a second embodiment, the data streams are statistically multiplexed into a single compressed data stream to the network.
    • 现有技术的数据压缩协议引擎提供高压缩比以改善高数据速率串行通信链路上的数据传输。 然而,数据终端设备的各自的数据端口可能不能以足够高的时钟速率被计时,这限制了数据压缩协议引擎的性能,并且防止了串行链路的可用带宽的充分利用。 为了解决这个问题,采用提供辅助数据通信端口连接的数据终端设备和数据压缩协议引擎组件。 来自数据终端设备的数据通过多个并行数据路径被提供给数据压缩协议引擎。 这增加了有效时钟速率,并使得数据压缩协议引擎能够输出完全利用网络带宽的压缩数据流。 数据压缩协议引擎可编程为并行数据路径传输或单路径数据传输到网络接口。 在一个实施例中,来自数据终端设备的多个数据流被压缩,然后被时分复用到网络上。 在第二实施例中,将数据流统计复用到单个压缩数据流到网络。
    • 6. 发明授权
    • Method and apparatus for reducing waiting time jitter in pulse stuffing
synchronized digital communications
    • 减少脉冲填充同步数字通信中等待时间抖动的方法和装置
    • US5619506A
    • 1997-04-08
    • US429950
    • 1995-04-27
    • Richard A. BurchKevin W. SchneiderMichael D. Turner
    • Richard A. BurchKevin W. SchneiderMichael D. Turner
    • H04J3/07
    • H04J3/073
    • A jitter/wander reduction mechanism monitors the ratio of pulse stuffing, to detect whenever the pulse stuffing ratio is proximate a prescribed undesirable ratio of stuffs per stuffing opportunity, which causes the wander to be a large number of unit intervals. A stuffing pulse accumulator-controlled frequency shift control circuit monitors the signal produced by a multiplexer (and demultiplexer for full duplex mode) control logic circuit and incrementally adjusts, as necessary, the frequency of a synchronized clock signal input to the multiplexer (and demultiplexer). The magnitude of the incremental frequency shift is sufficient to drive the synchronized clock away from the frequency associated with the undesired stuff ratio to a frequency that is sufficiently separated from the undesired value to produce a stuffing ratio other than the undesired value and reduce the jitter/wander.
    • 抖动/漂移减少机制监测脉冲填充的比率,以便每当脉冲填充比接近于每个填充机会的填充物的规定的不期望比例时检测,这导致漂移是大量的单位间隔。 填充脉冲累加器控制的频移控制电路监视由多路复用器(和全双工模式的解复用器)控制逻辑电路产生的信号,并根据需要递增地调整输入到多路复用器(和解复用器)的同步时钟信号的频率, 。 增量频移的大小足以将同步时钟从与不需要的填充比相关联的频率驱动到与不期望值充分分离的频率,以产生除了不需要的值之外的填充比,并减少抖动/ 漫步。
    • 7. 发明授权
    • Access multiplexers and methods for multiplexing telecommunication signals using an arrayed media converter
    • 接入复用器和使用阵列介质转换器复用电信信号的方法
    • US08670667B1
    • 2014-03-11
    • US12619397
    • 2009-11-16
    • Leif J. SandstromKevin W. Schneider
    • Leif J. SandstromKevin W. Schneider
    • H04J14/00
    • H04J14/0239H04J14/025H04J2014/0253H04Q11/0071
    • The present disclosure generally pertains to an arrayed media converter (AMC) that has an array of Wavelength Division Multiplexing-Passive Optical Network (WDM-PON) Optical Network Units (ONUs) for terminating an optical channel in the feeder or distribution portion of a telecommunication network. The ONU converts an optical signal from the optical channel into at least one electrical signal for transmission to a customer premises. Thus, the AMC serves as an interface between at least one WDM-PON link and at least one conductive connection, such as a twisted pair. In one exemplary embodiment, the AMC comprises a sealed housing that is environmentally hardened to protect the AMC from environmental conditions, including changes in weather. Such an AMC may be used to provide a robust, cost effective Fiber To The Curb (FTTC) solution, but the AMC may be used at other points within the network, if desired.
    • 本公开通常涉及具有用于终止电信馈线或分配部分中的光信道的波分复用无源光网络(WDM-PON)光网络单元(ONU)阵列的阵列介质转换器(AMC) 网络。 ONU将来自光信道的光信号转换成至少一个电信号以传输到客户驻地。 因此,AMC用作至少一个WDM-PON链路和至少一个导电连接(例如双绞线)之间的接口。 在一个示例性实施例中,AMC包括环境硬化的密封外壳,以保护AMC免受环境条件的影响,包括天气变化。 这样的AMC可以用于提供鲁棒的,具有成本效益的光纤到路由(FTTC)解决方案,但是如果需要,可以在网络内的其他点使用AMC。
    • 8. 发明申请
    • SYSTEMS AND METHODS FOR MOVING DSL LAUNCH POINTS
    • 移动DSL启动点的系统和方法
    • US20120250492A1
    • 2012-10-04
    • US13434808
    • 2012-03-29
    • Kevin W. SchneiderArlynn Wayne Wilson
    • Kevin W. SchneiderArlynn Wayne Wilson
    • H04J3/10
    • H04Q11/04H04M11/062H04Q2213/13003H04Q2213/13039H04Q2213/13298
    • A system for scaling vectored DSLAM deployments has a DSLAM interfaced with a cross-connect apparatus. The DSLAM receives POTS signals from at least one bridge connection assembly. When a DSLAM is added at the cross-connect facility, at least one connector of the bridge connection assembly is disconnected from an existing DSLAM and is interfaced with the newly-added DSLAM. By moving the connector to the newly-added DSLAM, a batch of downstream distribution pairs (which are preferably bound by a single distribution cable) are effectively moved from the existing DSLAM to the new DSLAM without having to reconfigure the jumpers of the cross-connect apparatus. Accordingly, it is possible to scale the cross-connect facility to any number of vectored DSLAMs while limiting vector group sizes, thereby reducing the complexity of vectoring operations, without having to perform complex reconfigurations of the cross-connect apparatus.
    • 用于缩放矢量DSLAM部署的系统具有与交叉连接装置接口的DSLAM。 DSLAM从至少一个桥连接组件接收POTS信号。 当在交叉连接设施中添加DSLAM时,桥接器连接组件的至少一个连接器与现有的DSLAM断开连接,并且与新添加的DSLAM接口。 通过将连接器移动到新添加的DSLAM,一批下游分发对(其优选地由单个分配电缆绑定)被有效地从现有DSLAM移动到新的DSLAM,而不必重新配置交叉连接的跳线 仪器。 因此,可以将交叉连接设施扩展到任何数量的向量DSLAM,同时限制向量组大小,从而降低矢量化操作的复杂性,而不必执行交叉连接设备的复杂重新配置。
    • 10. 发明授权
    • Code-based filtering mechanism for reducing data-induced latching loopback in digital data service device
    • 基于代码的滤波机制,用于减少数字数据服务器件中的数据触发闭环回路
    • US06711136B1
    • 2004-03-23
    • US09336873
    • 1999-06-18
    • Kevin W. SchneiderDon A. Waring
    • Kevin W. SchneiderDon A. Waring
    • G01R3108
    • H04L43/00
    • To reduce the possibility of a data-induced latching loopback, a digital data services device integrates one or more digital control code-based filtering routines into a test code sequence-based latching loopback scheme. The filtering routines include a ‘garbage’ byte detection routine, a ‘protected loopback’ routine, and a ‘preamble’ routine. The ‘garbage’ byte detection routine is an intra-loopback establishment filtering routine that limits the type of customer data that may be received between sequences of repeated control bytes of a valid latching loopback sequence. The ‘protected loopback’ routine is a flag byte-based filtering routine for frame relay data, which controllably disables latching loopback for a prescribed period of time, whenever a predetermined character associated with frame relay customer data is detected. The ‘preamble’ routine is a repeated code based-mechanism that allows the timeout invoked in the frame relay protected loopback routine to be controllably terminated, so that latching loopback may be immediately re-enabled.
    • 为了减少数据诱发的闭锁环回的可能性,数字数据服务设备将一个或多个基于数字控制码的滤波例程集成到基于测试码序列的锁存环回方案中。 过滤例程包括“垃圾”字节检测程序,“保护环回”例程和“前导码”例程。 “垃圾”字节检测程序是环回设置过滤程序,其限制可以在有效锁存环回序列的重复控制字节的序列之间接收的客户数据的类型。 “受保护的环回”例程是用于帧中继数据的基于标志字节的过滤例程,每当检测到与帧中继客户数据相关联的预定字符时,其可控地禁用锁定环回规定的时间段。 “前导码”例程是重复的基于代码的机制,其允许在帧中继受保护的环回例程中调用的超时被可控地终止,使得可以立即重新启用锁存环回。