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1. 发明授权

US08238450B2 Dynamic transmitter noise level adjustment for digital subscriber line systems 有权
标题翻译：数字用户线路系统的动态发射机噪声电平调整
公开(公告)号：US08238450B2
公开(公告)日：2012-08-07
申请号：US12689875
申请日：2010-01-19
申请人： Sanjay Gupta , Amir H. Fazlollahi , Guozhu Long , Ying Li , Raphael Jean Cendrillon
发明人： Sanjay Gupta , Amir H. Fazlollahi , Guozhu Long , Ying Li , Raphael Jean Cendrillon
IPC分类号： H04B3/00
CPC分类号： H04M11/062 , H04B3/46
摘要： An apparatus comprising an artificial noise (AN) controller coupled to a digital subscriber line (DSL) transmitter and configured to adjust an AN level for a signal transmitted by the DSL transmitter, wherein the AN level is adjusted based on an actual signal to noise ratio (SNR) of the signal from the receiver to achieve a desired SNR for the signal. Also disclosed is a method comprising maintaining a data rate in a line at about a desired level by adjusting an AN level in a transmitted signal based on a SNR of a received signal.
摘要翻译：一种装置，包括耦合到数字用户线（DSL）发射机的人造噪声（AN）控制器，并且被配置为调整由DSL发射机发送的信号的AN电平，其中AN电平根据实际信噪比（SNR），以实现信号的期望SNR。还公开了一种方法，其包括通过基于接收信号的SNR调整发射信号中的AN电平，将线路中的数据速率维持在大约期望的水平。

2. 发明申请

US20100195745A1 Dynamic Transmitter Noise Level Adjustment for Digital Subscriber Line Systems 有权
标题翻译：数字用户线路系统的动态发射机噪声电平调整
公开(公告)号：US20100195745A1
公开(公告)日：2010-08-05
申请号：US12689875
申请日：2010-01-19
申请人： Sanjay Gupta , Amir H. Fazlollahi , Guozhu Long , Ying Li , Raphael Jean Cendrillon
发明人： Sanjay Gupta , Amir H. Fazlollahi , Guozhu Long , Ying Li , Raphael Jean Cendrillon
IPC分类号： H04L25/08 , H04B15/00 , H04L27/02
CPC分类号： H04M11/062 , H04B3/46
摘要： An apparatus comprising an artificial noise (AN) controller coupled to a digital subscriber line (DSL) transmitter and configured to adjust an AN level for a signal transmitted by the DSL transmitter, wherein the AN level is adjusted based on an actual signal to noise ratio (SNR) of the signal from the receiver to achieve a desired SNR for the signal. Also disclosed is a method comprising maintaining a data rate in a line at about a desired level by adjusting an AN level in a transmitted signal based on a SNR of a received signal.
摘要翻译：一种装置，包括耦合到数字用户线（DSL）发射机的人造噪声（AN）控制器，并且被配置为调整由DSL发射机发送的信号的AN电平，其中AN电平根据实际信噪比（SNR），以实现信号的期望SNR。还公开了一种方法，其包括通过基于接收信号的SNR调整发射信号中的AN电平，将线路中的数据速率维持在大约期望的水平。

3. 发明授权

US08811600B2 Optimizing the transmit power spectrum density (PSD) of a remotely deployed line to ensure spectral compatibility 有权
标题翻译：优化远程部署线路的发射功率谱密度（PSD），以确保频谱兼容性
公开(公告)号：US08811600B2
公开(公告)日：2014-08-19
申请号：US12634994
申请日：2009-12-10
申请人： Raphael Jean Cendrillon , Guozhu Long , Dong Wei
发明人： Raphael Jean Cendrillon , Guozhu Long , Dong Wei
IPC分类号： H04M1/00
CPC分类号： H04M11/062 , H04B3/487 , H04L5/0046 , H04L5/006
摘要： An apparatus comprising a transmitter at a digital subscriber line (DSL) Cabinet configured to transmit a downstream signal in a subscriber line according to a power spectral density (PSD) configuration, wherein the PSD configuration comprises a cutoff frequency based on a required data-rate of the subscriber line. Also included is an apparatus comprising at least one processor configured to implement a method comprising determining a downstream PSD for a PSD mask for a DSL, determining a cutoff frequency for the PSD profile based on a data-rate required for the DSL, and adjusting a downstream signal power on the DSL according to the PSD mask. Included is a method comprising configuring a plurality of transmitted PSDs for a plurality of Exchange deployed lines and Cabinet deployed lines by varying a plurality of cutoff frequencies corresponding to the transmitted PSDs, wherein the cutoff frequencies are varied by line, with time, or both.
摘要翻译：一种包括在数字用户线（DSL）机柜处的发射机的设备，其被配置为根据功率谱密度（PSD）配置在用户线路中发送下行信号，其中所述PSD配置包括基于所需数据速率的截止频率的用户线。还包括一种装置，包括至少一个处理器，其被配置为实现一种方法，包括确定用于DSL的PSD掩模的下游PSD，基于DSL所需的数据速率来确定PSD简档的截止频率，并且调整根据PSD掩码在DSL上下行信号电源。包括的方法包括通过改变对应于所发送的PSD的多个截止频率来配置用于多个Exchange部署线路和机柜部署线路的多个发送的PSD，其中截止频率随时间变化，或两者都被改变。

4. 发明申请

US20110007788A1 Method for Robust Crosstalk Precoder Training in Channels with Impulse Noise 有权
标题翻译：用于具有脉冲噪声的通道中的鲁棒串扰预编码器训练方法
公开(公告)号：US20110007788A1
公开(公告)日：2011-01-13
申请号：US12830960
申请日：2010-07-06
申请人： Raphael Jean Cendrillon , Liming Fang , Guozhu Long
发明人： Raphael Jean Cendrillon , Liming Fang , Guozhu Long
IPC分类号： H04B1/38
CPC分类号： H04B3/32 , H04B3/487 , H04L1/0026
摘要： An apparatus comprising a first transceiver at a central office (CO) coupled to a second transceiver at a customer premise equipment (CPE) via a digital subscriber line (DSL), a crosstalk precoder coupled to the first transceiver at the CO, and a vectoring control entity (VCE) coupled to the transceiver via a feedback channel and to the crosstalk precoder, wherein the second transceiver comprises a noise monitor configured to detect non-crosstalk noise in a downstream signal from the CO to the CPE, and wherein the first transceiver is configured to receive a predefined special feedback signal from the second transceiver that indicates whether non-crosstalk noise is detected in the downstream signal instead of a measured error value.
摘要翻译：一种装置，包括经由数字用户线（DSL）在客户驻地设备（CPE）处耦合到第二收发器的中心局（CO）处的第一收发器，耦合到CO处的第一收发器的串扰预编码器，以及向量控制实体（VCE），其经由反馈信道和所述串扰预编码器耦合到所述收发器，其中所述第二收发机包括被配置为检测从所述CO到所述CPE的下行信号中的非串扰噪声的噪声监测器，并且其中所述第一收发器被配置为从第二收发器接收预定的特殊反馈信号，其指示在下行信号中是否检测到非串扰噪声，而不是测量的误差值。

5. 发明申请

US20110007623A1 Method for Estimating the Strength of a Crosstalk Channel 审中-公开
标题翻译：估计串扰信道强度的方法
公开(公告)号：US20110007623A1
公开(公告)日：2011-01-13
申请号：US12833188
申请日：2010-07-09
申请人： Raphael Jean Cendrillon , Guozhu Long
发明人： Raphael Jean Cendrillon , Guozhu Long
IPC分类号： H04J3/10
CPC分类号： H04M11/062 , H04B3/32 , H04M3/34
摘要： A network component comprising at least one processor coupled to a memory and configured to receive a plurality of probing signals from the other end of a plurality of corresponding lines, correlate the received probing signals or their error signals with the orthogonal frequency signatures to determine the dominant crosstalk channels for each of the lines, and send a plurality of signals that correspond to the dominant crosstalk channels to a crosstalk canceller to reduce crosstalk noise in the lines, wherein each of the orthogonal frequency signatures is transmitted in a sync symbol on one of the lines, and wherein the sync symbol comprises a plurality of tones.
摘要翻译：一种网络组件，包括耦合到存储器并被配置为从多个对应线路的另一端接收多个探测信号的至少一个处理器，将所接收的探测信号或其误差信号与正交频谱签名相关，以确定占优势并且将对应于主要串扰信道的多个信号发送到串扰消除器以减少线路中的串扰噪声，其中每个正交频率签名以同步符号的一个线，并且其中所述同步符号包括多个音调。

6. 发明授权

US08750492B2 Reducing the feedback overhead during crosstalk precoder initialization 有权
标题翻译：在串扰预编码器初始化期间减少反馈开销
公开(公告)号：US08750492B2
公开(公告)日：2014-06-10
申请号：US12690757
申请日：2010-01-20
申请人： Raphael Jean Cendrillon , Guozhu Long
发明人： Raphael Jean Cendrillon , Guozhu Long
IPC分类号： H04M9/08
CPC分类号： H04B3/32 , H04B17/24 , H04L5/0048 , H04L5/006 , H04L25/0226 , H04M3/002 , H04M3/2209 , H04M3/304 , H04M3/34
摘要： An apparatus comprising a receiver coupled to a digital subscriber line (DSL) between an exchange site and a customer premise equipment (CPE) and configured to send a feedback error message to train a precoder coupled to the exchange site, wherein the feedback error message comprises a plurality of error components and an indication of a quantity of bits per error component, a quantization accuracy per error component, or both. Included is a method comprising sending an error feedback message to a DSL crosstalk precoder to train the crosstalk precoder, wherein the error feedback message comprises an error vector and a quantization scaling factor of the error vector.
摘要翻译：一种装置，包括耦合到交换站点和客户驻地设备（CPE）之间的数字用户线路（DSL）的接收机，并且被配置为发送反馈错误消息以训练耦合到所述交换站点的预编码器，其中所述反馈错误消息包括多个误差分量以及每个误差分量的比特量的指示，每个误差分量的量化精度或两者。包括的方法包括向DSL串扰预编码器发送错误反馈消息以训练串扰预编码器，其中误差反馈消息包括误差向量和误差向量的量化缩放因子。

7. 发明授权

US08432955B2 Method for robust crosstalk precoder training in channels with impulse noise 有权
标题翻译：用于具有脉冲噪声的通道中鲁棒串扰预编码器训练的方法
公开(公告)号：US08432955B2
公开(公告)日：2013-04-30
申请号：US12830960
申请日：2010-07-06
申请人： Raphael Jean Cendrillon , Liming Fang , Guozhu Long
发明人： Raphael Jean Cendrillon , Liming Fang , Guozhu Long
IPC分类号： H04B1/38
CPC分类号： H04B3/32 , H04B3/487 , H04L1/0026
摘要： An apparatus comprising a first transceiver at a central office (CO) coupled to a second transceiver at a customer premise equipment (CPE) via a digital subscriber line (DSL), a crosstalk precoder coupled to the first transceiver at the CO, and a vectoring control entity (VCE) coupled to the transceiver via a feedback channel and to the crosstalk precoder, wherein the second transceiver comprises a noise monitor configured to detect non-crosstalk noise in a downstream signal from the CO to the CPE, and wherein the first transceiver is configured to receive a predefined special feedback signal from the second transceiver that indicates whether non-crosstalk noise is detected in the downstream signal instead of a measured error value.
摘要翻译：一种装置，包括经由数字用户线（DSL）在客户驻地设备（CPE）处耦合到第二收发器的中心局（CO）处的第一收发器，耦合到CO处的第一收发器的串扰预编码器，以及向量控制实体（VCE），其经由反馈信道和所述串扰预编码器耦合到所述收发器，其中所述第二收发机包括被配置为检测从所述CO到所述CPE的下行信号中的非串扰噪声的噪声监测器，并且其中所述第一收发器被配置为从第二收发器接收预定的特殊反馈信号，其指示在下行信号中是否检测到非串扰噪声，而不是测量的误差值。

8. 发明授权

US08280036B2 Configuring the virtual noise parameters of a digital subscriber line 有权
标题翻译：配置数字用户线的虚拟噪声参数
公开(公告)号：US08280036B2
公开(公告)日：2012-10-02
申请号：US12637885
申请日：2009-12-15
申请人： Raphael Jean Cendrillon , Guozhu Long , Dong Wei
发明人： Raphael Jean Cendrillon , Guozhu Long , Dong Wei
IPC分类号： H04M9/08
CPC分类号： H04B15/02 , H04B1/1027 , H04M3/304
摘要： An apparatus comprising a digital subscriber line (DSL) transmitter configured to transmit a transmitter referred virtual noise for a tone in a subscriber line, wherein the transmitter referred virtual noise is based on a time history of a noise condition in the subscriber line. Also disclosed is an apparatus comprising at least one processor configured to implement a method comprising obtaining a transmitter referred virtual noise for a DSL tone using a plurality of noise condition measurements, and determining a DSL bitloading using the transmitter referred virtual noise.
摘要翻译：一种包括数字用户线（DSL）发射机的装置，其被配置为在用户线路中发送用于音调的发射机参考虚拟噪声，其中所述发射机参考虚拟噪声基于所述用户线路中的噪声条件的时间历史。还公开了一种装置，包括至少一个处理器，其被配置为实现一种方法，包括使用多个噪声条件测量获得用于DSL音调的发射机参考虚拟噪声，以及使用所述发射机参考虚拟噪声来确定DSL比特加载。

9. 发明申请

US20100246606A1 Optimizing the Transmit Power Spectrum Density (PSD) Of A Remotely Deployed Line to Ensure Spectral Compatibility 有权
标题翻译：优化远程部署线路的发射功率谱密度（PSD），以确保光谱兼容性
公开(公告)号：US20100246606A1
公开(公告)日：2010-09-30
申请号：US12634994
申请日：2009-12-10
申请人： Raphael Jean Cendrillon , Guozhu Long , Dong Wei
发明人： Raphael Jean Cendrillon , Guozhu Long , Dong Wei
IPC分类号： H04J1/00 , H04B1/38 , H04B3/00
CPC分类号： H04M11/062 , H04B3/487 , H04L5/0046 , H04L5/006
摘要： An apparatus comprising a transmitter at a digital subscriber line (DSL) Cabinet configured to transmit a downstream signal in a subscriber line according to a power spectral density (PSD) configuration, wherein the PSD configuration comprises a cutoff frequency based on a required data-rate of the subscriber line. Also included is an apparatus comprising at least one processor configured to implement a method comprising determining a downstream PSD for a PSD mask for a DSL, determining a cutoff frequency for the PSD profile based on a data-rate required for the DSL, and adjusting a downstream signal power on the DSL according to the PSD mask. Included is a method comprising configuring a plurality of transmitted PSDs for a plurality of Exchange deployed lines and Cabinet deployed lines by varying a plurality of cutoff frequencies corresponding to the transmitted PSDs, wherein the cutoff frequencies are varied by line, with time, or both.
摘要翻译：一种包括在数字用户线（DSL）机柜处的发射机的设备，其被配置为根据功率谱密度（PSD）配置在用户线路中发送下行信号，其中所述PSD配置包括基于所需数据速率的截止频率的用户线。还包括一种装置，包括至少一个处理器，其被配置为实现一种方法，包括确定用于DSL的PSD掩模的下游PSD，基于DSL所需的数据速率来确定PSD简档的截止频率，并且调整根据PSD掩码在DSL上下行信号电源。包括的方法包括通过改变对应于所发送的PSD的多个截止频率来配置用于多个Exchange部署线路和机柜部署线路的多个发送的PSD，其中截止频率随时间或两者而变化。

10. 发明授权

US08537912B2 Extremely high speed broadband access over copper pairs 失效
标题翻译：铜线极速高速宽带接入
公开(公告)号：US08537912B2
公开(公告)日：2013-09-17
申请号：US13034353
申请日：2011-02-24
申请人： Guozhu Long , Amir H. Fazlollahi , Liming Fang , Yuchen Jia
发明人： Guozhu Long , Amir H. Fazlollahi , Liming Fang , Yuchen Jia
IPC分类号： H04K1/10
CPC分类号： H04L25/14 , H04L5/0007 , H04L27/28 , H04M11/062
摘要： Disclosed is an apparatus that includes a plurality of parallel digital signal transmitters that each receive one of a plurality of digital sub-signals wherein each of the plurality of digital signal transmitters is configured to transmit one of the plurality of digital sub-signals that each have about the same bandwidth. The apparatus also includes a combiner coupled to the transmitters and configured to shift some of the plurality of digital sub-signals and to combine the plurality of shifted digital sub-signals into a combined digital signal that has a total bandwidth of that is approximately equal to the sum of the bandwidths of the plurality of digital sub-signals. The total bandwidth comprises a plurality of shifted bandwidths of the plurality of digital sub-signals at about the same offset with respect to each other. The combined digital signal is transmitted over a digital subscriber loop.
摘要翻译：公开了一种装置，其包括多个并行数字信号发射机，每个并行数字信号发射机都接收多个数字子信号中的一个，其中多个数字信号发射机中的每一个被配置为发送每个数字子信号中的每一个大约相同的带宽。该装置还包括组合器，其耦合到发射机并且被配置为移动多个数字子信号中的一些并且将多个移位的数字子信号组合成具有总共带宽的组合数字信号近似等于多个数字子信号的带宽之和。总带宽包括相对于彼此大致相同偏移的多个数字子信号的多个移位带宽。组合的数字信号通过数字用户回路传输。

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