公开(公告)号：US08112687B2

公开(公告)日：2012-02-07

申请号：US12348763

申请日：2009-01-05

申请人： Julien D. Pons ,  Patrick Duvaut ,  Massimo Sobara ,  Yue-Peng Zheng

发明人： Julien D. Pons ,  Patrick Duvaut ,  Massimo Sobara ,  Yue-Peng Zheng

IPC分类号： H04L1/18

CPC分类号： H04L1/1867 ,  H04L1/0009 ,  H04L1/0019 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/1812 ,  H04L1/20 ,  H04L27/2601

摘要： Various embodiments for mitigating impulse noise are disclosed that cooperatively use impulse noise statistics to utilize retransmission, forward error correction (FEC), and blanking to mitigate the effects of a wide variety of impulse noise sources.

摘要翻译： 公开了用于减轻脉冲噪声的各种实施例，其协作地使用脉冲噪声统计来利用重传，前向纠错（FEC）和消隐来减轻各种脉冲噪声源的影响。

公开(公告)号：US07925935B2

公开(公告)日：2011-04-12

申请号：US12100355

申请日：2008-04-09

申请人： Massimo Sorbara ,  Patrick Duvaut ,  Yan Wu

发明人： Massimo Sorbara ,  Patrick Duvaut ,  Yan Wu

IPC分类号： G06F11/00 ,  G01R31/28 ,  H04B1/38 ,  H04B3/46

CPC分类号： H04L12/66 ,  H04B3/32

摘要： Included are embodiments for back channel communication. At least one embodiment of a method includes receiving data at customer premises equipment and determining at least one error in the received data. Some embodiments include formatting the determined error for communication to a central office and sending the formatted error to the central office via a back channel.

摘要翻译： 包括用于反向信道通信的实施例。 方法的至少一个实施例包括在客户驻地设备处接收数据并确定接收到的数据中的至少一个错误。 一些实施例包括将所确定的错误格式化为中央局的通信，并通过后向信道将格式化的错误发送到中心局。

公开(公告)号：US07738541B2

公开(公告)日：2010-06-15

申请号：US10714660

申请日：2003-11-18

申请人： Patrick Duvaut ,  Lujing Cai ,  Massimo Sorbara

发明人： Patrick Duvaut ,  Lujing Cai ,  Massimo Sorbara

IPC分类号： H04B1/38 ,  H04L5/16

CPC分类号： H04L12/2854 ,  H04Q2213/13039

摘要： A “Smart DSL System” for addressing the performance objectives of LDSL and examples of smart systems for LDSL are disclosed. In accordance with embodiments of the invention, there is disclosed a method for implementing smart DSL for LDSL systems. Embodiments of the method include presenting a number of spectral masks that are available on the LDSL system, and selecting from the number of spectral masks an upstream mask and a downstream mask wherein the upstream mask and the downstream mask exhibit complimentary features.

摘要翻译： 公布了用于解决LDSL性能目标的“智能DSL系统”和LDSL智能系统的示例。 根据本发明的实施例，公开了一种用于实现LDSL系统的智能DSL的方法。 该方法的实施例包括呈现在LDSL系统上可用的多个频谱掩模，以及从频谱掩模的数量中选择上游掩模和下游掩模，其中上游掩码和下游掩模具有互补特征。

公开(公告)号：US20100061434A1

公开(公告)日：2010-03-11

申请号：US12359885

申请日：2009-01-26

申请人： Shailendra Kumar Singh ,  Patrick Duvaut

发明人： Shailendra Kumar Singh ,  Patrick Duvaut

IPC分类号： H04B3/46

CPC分类号： H04B3/46

摘要： The topology of a digital subscriber line loop can play an important role in provisioning service. For example, knowledge of certain topological features in a loop can enable telecommunications companies to make better decisions about the kinds of services that can be provisioned on that loop. Additionally, knowledge of those topological features can also assist field engineers in troubleshooting problems in the field. A topology recognition engine can provide key topological features such as the loop length, presence of single and multiple bridge taps and the length of single bridge taps on a loop.

摘要翻译： 数字用户线环路的拓扑可以在配置服务中发挥重要作用。 例如，一个循环中某些拓扑特征的知识可以使电信公司能够对该循环中可以提供的服务种类做出更好的决策。 另外，这些拓扑特征的知识也可以帮助现场工程师解决现场问题。 拓扑识别引擎可以提供关键的拓扑特征，例如循环长度，单个和多个桥接抽头的存在以及单个桥接抽头在循环上的长度。

公开(公告)号：US07633999B2

公开(公告)日：2009-12-15

申请号：US10626714

申请日：2003-07-25

申请人： Patrick Duvaut ,  Massimo Sorbara

发明人： Patrick Duvaut ,  Massimo Sorbara

IPC分类号： H04B1/38

CPC分类号： H04L5/0048 ,  H04L5/0046 ,  H04L5/143 ,  H04L5/1438 ,  H04L5/16 ,  H04L12/66 ,  H04L25/0286 ,  H04L25/03834 ,  H04L27/2608 ,  H04L27/2655 ,  H04L27/2656 ,  Y02D30/34

摘要： In accordance with one embodiment of the present invention, a power spectral density (PSD) mask for spectral shaping of a dual bit map (DBM) mode downstream transmission is provided. The PSD mask is represented by the equation: PSD DBMsOL = K ADSL_OL × C f 0 × [ sin ⁡ ( π ⁢ f f 0 ) ] 2 ( π ⁢ f f 0 ) 2 × 1 1 + ( f f LP3dB ) 12 × 1 1 + ( f HP3dB f ) 6 , 0 ≺ f ≺ ∞ where PSDDBMsOL represents the PSD mask, KADSL—OL represents a constant value, C represents a constant value, f represents a frequency of the downstream transmission, f0 represents a constant value, fLP3dB represents a 3 decibel (dB) low pass frequency and ffHP3dB represents a 3 dB high pass frequency. KADSL—OL preferably has a value between 0.0900 watts and 0.1200 watts and more preferably has a value of 0.1104 watts. The constant f0 preferably has a value between 2.100 megahertz and 2.300 megahertz and more preferably has a value of 2.208 megahertz. The constant fLP3dB has a value substantially equal to f 0 2 . The constant fHP3dB has preferably has a value between 100 kilohertz and 150 kilohertz and more preferably has a value of 130 kilohertz. The constant C preferably has a value between 0.1 and 10 and more preferably has a value of 2.

摘要翻译： 根据本发明的一个实施例，提供了用于双位图（DBM）模式下行传输的频谱整形的功率谱密度（PSD）掩模。 PSD掩模由以下等式表示：PSD DBMsOL = K ADSL_OL x C f 0 x [sin⁡（piff 0）] 2（piff 0）2 x 1 1 +（ff LP3dB）12 x 1 1 + （f HP3dB f）6,0 f∞其中PSDDBMsOL表示PSD掩码，KADSL-OL表示常数值，C表示常数值，f表示下行传输的频率，f0表示常数值，fLP3dB表示3 分贝（dB）低通频率，ffHP3dB表示3 dB高通频率。 KADSL-OL优选地具有在0.0900瓦特和0.1200瓦之间的值，更优选地具有0.1104瓦的值。 常数f0优选地具有在2.100兆赫兹和2.300兆赫兹之间的值，更优选地具有2.208兆赫的值。 常数fLP3dB具有基本上等于f 0 2的值。 恒定fHP3dB优选地具有在100千赫兹和150千赫兹之间的值，更优选地具有130千赫兹的值。 常数C的值优选为0.1〜10，更优选为2。

公开(公告)号：US20090249133A1

公开(公告)日：2009-10-01

申请号：US12411511

申请日：2009-03-26

申请人： Julien D. Pons ,  Ravindra M. Lambi ,  Patrick Duvaut ,  Massimo Sorbara

发明人： Julien D. Pons ,  Ravindra M. Lambi ,  Patrick Duvaut ,  Massimo Sorbara

IPC分类号： H04L1/18 ,  G06F11/00

CPC分类号： H04L1/1835 ,  H03M13/1515 ,  H03M13/6306 ,  H03M13/6533 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/1838 ,  H04L1/1858

摘要： Systems and methods for protecting DSL systems against impulse noise are provided. Disclosed herein are example embodiments of a retransmission technique located above the gamma interface (i.e., in the network processing layer). Such a retransmission technique can be combined with standard RS coding with standard erasure-decoding & triangular interleaving at the PMS-TC layer. Example embodiments of the technique involve using the RS code to protect against REIN noise, and using γ-layer retransmission for protecting against error events not corrected by the RS code, e.g. a SHINE noise in the presence of REIN. Both techniques are used jointly in the case of combined REIN and SHINE noise.

摘要翻译： 提供了用于保护DSL系统免受脉冲噪声的系统和方法。 这里公开了位于伽马接口（即网络处理层）之上的重传技术的示例实施例。 这样的重传技术可以与在PMS-TC层的标准擦除解码和三角形交织的标准RS编码组合。 该技术的示例实施例涉及使用RS代码来防止REIN噪声，并且使用伽玛层重传来防止未被RS码纠正的错误事件，例如， 在REIN存在下的SHINE噪音。 两种技术在组合REIN和SHINE噪声的情况下共同使用。

公开(公告)号：US07068592B1

公开(公告)日：2006-06-27

申请号：US09997662

申请日：2001-11-29

申请人： Patrick Duvaut ,  William E. Keasler ,  Laurent Pierrugues

发明人： Patrick Duvaut ,  William E. Keasler ,  Laurent Pierrugues

IPC分类号： H04J11/00

CPC分类号： H04L27/2608

摘要： A system and method for increasing payload in a data transmission system. In architecture, the system comprises a modulation device configured to modulate data bins to produce bin-clusters, a mechanism to load the bin-clusters with data, a transmitter configured to transmit the loaded bin-clusters, a receiver configured to receive the transmitted bin-clusters, and a demodulation device configured to extract data from the received bin-clusters.The method steps comprise the steps of modulating data bins to produce bin-clusters, loading the bin-clusters with data, transmitting the loaded bin-clusters, receiving the transmitted bin-clusters, and extracting data from the received bin-clusters.

摘要翻译： 一种用于增加数据传输系统中的有效载荷的系统和方法。 在架构中，该系统包括被配置为调制数据箱以产生二进制群集的调制装置，用数据加载二进制群集的机制，被配置为发送加载的二进制群集的发射机，被配置为接收所发送的小区的接收机 集群和解调装置，被配置为从接收到的二进制群集中提取数据。 所述方法步骤包括以下步骤：调制数据仓以产生二维群集，使用数据加载二维群集，发送加载的垃圾群集，接收所发送的垃圾群集，以及从接收到的垃圾群提取数据。

公开(公告)号：US20050232172A1

公开(公告)日：2005-10-20

申请号：US10824611

申请日：2004-04-15

申请人： Feng Ouyang ,  Patrick Duvaut ,  Chengshu Wang

发明人： Feng Ouyang ,  Patrick Duvaut ,  Chengshu Wang

IPC分类号： H04L5/16 ,  H04L27/26

CPC分类号： H04L27/2608

摘要： A technique for dynamic bin allocation is disclosed. In one particular exemplary embodiment, the technique may be realized as a method for dynamic bin allocation. The method may comprise obtaining link performance data based on a plurality of test transmissions between two network elements, wherein the plurality of test transmissions utilize at least one transmission mode in each of a plurality of frequency ranges. The method may also comprise determining a desired transmission scheme, wherein each of the plurality of frequency ranges is designated for at least one of the at least one transmission mode based at least in part on the link performance data. The desired transmission scheme may be determined by identifying a desired transmission mode for each of the plurality of frequency ranges, or the desired transmission scheme may be selected from a plurality of predetermined transmission schemes.

摘要翻译： 公开了一种用于动态分配箱的技术。 在一个特定的示例性实施例中，该技术可以被实现为用于动态仓分配的方法。 该方法可以包括基于两个网络元件之间的多个测试传输来获得链路性能数据，其中多个测试传输在多个频率范围的每一个中使用至少一个传输模式。 该方法还可以包括确定期望的传输方案，其中至少部分地基于链路性能数据来指定多个频率范围中的每一个针对至少一个传输模式中的至少一个。 可以通过识别多个频率范围中的每一个的期望的传输模式来确定期望的传输方案，或者可以从多个预定传输方案中选择所需的传输方案。

公开(公告)号：US06952458B1

公开(公告)日：2005-10-04

申请号：US09969323

申请日：2001-10-02

申请人： Igor Djokovich ,  Patrick Duvaut ,  Massimo Sorbara

发明人： Igor Djokovich ,  Patrick Duvaut ,  Massimo Sorbara

IPC分类号： H03D1/00 ,  H04L27/38

CPC分类号： H04L27/38

摘要： A demapping system and method for demapping symbols into bits, is provided. An embodiment of the system comprises a processor, and a memory that is coupled to the processor. The memory comprises a memory module that comprises a program that finds a hard demapper output d based on a received symbol r; finds a challenger ci for each i, the challenger ci is a challenger of the hard demapper output d, i is an integer whose maximum value is a number of bits of the challenger ci; calculates reliability mi for each i, the reliability mi is the reliability of the hard demapper output d; and calculates soft bit xi for each i, the soft bit xi is calculated based on the reliability mi.

摘要翻译： 提供了用于将符号解映射成位的解映射系统和方法。 系统的一个实施例包括处理器和耦合到处理器的存储器。 存储器包括存储器模块，该存储器模块包括基于接收到的符号r找到硬解映射器输出d的程序; 为每个i找到挑战者c ，挑战者c是硬解映射器输出d的挑战者，i是一个整数，其最大值是 挑战者c 计算每个i的可靠性m i i i i，则可靠性m i是硬解映射器输出d的可靠性; 并且对于每个i计算软比特x i i i i，则基于可靠性m i i i来计算软比特x i i i。