公开(公告)号：US08565418B2

公开(公告)日：2013-10-22

申请号：US13482642

申请日：2012-05-29

申请人： Cheng Li ,  Guozhu Long ,  Jie Lv ,  Huishen Dong ,  Liming Fang

发明人： Cheng Li ,  Guozhu Long ,  Jie Lv ,  Huishen Dong ,  Liming Fang

IPC分类号： H04M7/00

CPC分类号： H04L5/20 ,  H04L25/0272

摘要： The present invention provides a method, a device and a system for extending channels, and belongs to the field of communications technologies. The method includes: generating a non-cascade extended channel by using a first channel and a second channel; and generating a first-level cascade extended channel by using the non-cascade extended channel and a third channel, where the first channel and the second channel are both twisted-pair channels, and the third channel is a twisted-pair channel or another non-cascade extended channel. The device includes a first transformer and a second transformer. The system includes a first device and a second device.

摘要翻译： 本发明提供一种用于扩展信道的方法，装置和系统，属于通信技术领域。 该方法包括：通过使用第一信道和第二信道来产生非级联扩展信道; 以及通过使用非级联扩展信道和第三信道来生成第一级级联扩展信道，其中第一信道和第二信道都是双绞线信道，并且第三信道是双绞线信道或另一非信道 级联扩展通道。 该装置包括第一变压器和第二变压器。 该系统包括第一设备和第二设备。

公开(公告)号：US08468437B2

公开(公告)日：2013-06-18

申请号：US13399170

申请日：2012-02-17

申请人： Pengrui Zhang ,  Guozhu Long ,  Cheng Li ,  Huishen Dong ,  Yuchen Jia

发明人： Pengrui Zhang ,  Guozhu Long ,  Cheng Li ,  Huishen Dong ,  Yuchen Jia

IPC分类号： G06F11/00 ,  H03M13/03 ,  H03H7/30

CPC分类号： H04B3/32 ,  H04B7/0654 ,  H04B7/0658 ,  H04L25/0204 ,  H04L25/0242 ,  H04L25/03343 ,  H04L27/2601

摘要： A filtering method, system, and equipment applied in digital communication technologies are disclosed in the embodiments of the present invention. The filtering method of the present embodiments includes: acquiring filtering coefficients of a part of all subcarriers according to data transmission errors; acquiring filtering coefficients of remaining subcarriers through an interpolation algorithm according to the filtering coefficients of the part of subcarriers; and finally, filtering the data corresponding to the multiple subcarriers according to the filtering coefficients of the part of subcarriers and the filtering coefficients of the remaining subcarriers. The part of subcarriers may be selected at a regular interval, or may be subcarriers which are located at a motion value away from the part of subcarriers selected in the previous update of the filtering coefficients. The method of the present embodiments reduces the amount of operation and hardware expenditure, and saves the cost.

摘要翻译： 在本发明的实施例中公开了一种在数字通信技术中应用的滤波方法，系统和设备。 本实施例的滤波方法包括：根据数据传输错误获取所有子载波的一部分的滤波系数; 根据部分子载波的滤波系数，通过插值算法获取剩余子载波的滤波系数; 最后，根据子载波部分的滤波系数和剩余子载波的滤波系数，对与多个子载波对应的数据进行滤波。 可以以规则的间隔选择子载波的一部分，或者可以是位于远离在先前更新滤波系数中的子载波的部分的运动值的子载波。 本实施例的方法减少了操作量和硬件支出，并节省了成本。

公开(公告)号：US20120151305A1

公开(公告)日：2012-06-14

申请号：US13399170

申请日：2012-02-17

申请人： Pengrui Zhang ,  Guozhu Long ,  Cheng Li ,  Huishen Dong ,  Yuchen Jia

发明人： Pengrui Zhang ,  Guozhu Long ,  Cheng Li ,  Huishen Dong ,  Yuchen Jia

IPC分类号： G06F11/07

CPC分类号： H04B3/32 ,  H04B7/0654 ,  H04B7/0658 ,  H04L25/0204 ,  H04L25/0242 ,  H04L25/03343 ,  H04L27/2601

摘要： A filtering method, system, and equipment applied in digital communication technologies are disclosed in the embodiments of the present invention. The filtering method of the present embodiments includes: acquiring filtering coefficients of a part of all subcarriers according to data transmission errors; acquiring filtering coefficients of remaining subcarriers through an interpolation algorithm according to the filtering coefficients of the part of subcarriers; and finally, filtering the data corresponding to the multiple subcarriers according to the filtering coefficients of the part of subcarriers and the filtering coefficients of the remaining subcarriers. The part of subcarriers may be selected at a regular interval, or may be subcarriers which are located at a motion value away from the part of subcarriers selected in the previous update of the filtering coefficients. The method of the present embodiments reduces the amount of operation and hardware expenditure, and saves the cost.

摘要翻译： 在本发明的实施例中公开了一种在数字通信技术中应用的滤波方法，系统和设备。 本实施例的滤波方法包括：根据数据传输错误获取所有子载波的一部分的滤波系数; 根据部分子载波的滤波系数，通过插值算法获取剩余子载波的滤波系数; 最后，根据子载波部分的滤波系数和剩余子载波的滤波系数，对与多个子载波对应的数据进行滤波。 可以以规则的间隔选择子载波的一部分，或者可以是位于远离在先前更新滤波系数中的子载波的部分的运动值的子载波。 本实施例的方法减少了操作量和硬件支出，并节省了成本。

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。

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。

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。

公开(公告)号：US20120219085A1

公开(公告)日：2012-08-30

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： H04L27/00

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。

公开(公告)号：US20080317035A1

公开(公告)日：2008-12-25

申请号：US12202921

申请日：2008-09-02

申请人： Jun Zhou ,  Guozhu Long ,  Dong Wei ,  Liming Fang ,  Zihuan Chen

发明人： Jun Zhou ,  Guozhu Long ,  Dong Wei ,  Liming Fang ,  Zihuan Chen

IPC分类号： H04L12/56 ,  H04L12/66

CPC分类号： H04Q11/04 ,  H04Q2213/13039 ,  H04Q2213/13099 ,  H04Q2213/13173 ,  H04Q2213/1319 ,  H04Q2213/13209 ,  H04Q2213/13335 ,  H04Q2213/13349

摘要： A method for managing a channel matrix is provided. The method includes: obtaining whether a user logs on or logs off; adding a history record of channel information of the user to a channel matrix when the user logs on; recording current channel information of the user in the channel matrix and deleting the channel information of the user from the channel matrix when the user logs off. The channel matrix may be timely updated based on when the user logs on or off. Accordingly, the channel crosstalk is eliminated timely and correctly according to the channel matrix, and the affection on the crosstalk eliminating capacity caused by the user logs on or logs off can be avoided.

摘要翻译： 提供了一种用于管理信道矩阵的方法。 该方法包括：获取用户是否登录或注销; 当用户登录时，将用户的频道信息的历史记录添加到频道矩阵; 在通道矩阵中记录用户的当前频道信息，并且在用户注销时从频道矩阵中删除用户的频道信息。 可以基于用户何时登录或关闭来及时更新信道矩阵。 因此，可以根据信道矩阵及时正确地消除信道串扰，并且可以避免由用户登录或注销引起的对串扰消除能力的影响。

公开(公告)号：US08442131B2

公开(公告)日：2013-05-14

申请号：US12353903

申请日：2009-01-14

申请人： Guozhu Long

发明人： Guozhu Long

IPC分类号： H04K1/10

CPC分类号： H04M11/062 ,  H04L5/003 ,  H04L12/10 ,  H04L27/2601 ,  Y02D50/44

摘要： An apparatus comprising a transmitter configured to transmit a low power mode Discrete Multi-Tone (DMT) signal using a plurality of DMT tones, wherein at least some of the DMT tones comprise a low power mode (LPM) tone that carries data at a normal PSD level and a non-LPM tone that is transmitted at a reduced PSD level. Also disclosed is a network component comprising at least one processor configured to implement a method comprising detecting a plurality of signal to noise ratio (SNR) values for a plurality of LPM tone signals and a plurality of non-LPM tone signals, and handling crosstalk interference between lines using the detected SNR values.

摘要翻译： 一种装置，包括发射机，其被配置为使用多个DMT音调发送低功率模式离散多音（DMT）信号，其中，所述DMT音调中的至少一些包括在正常情况下携带数据的低功率模式（LPM）音调 PSD电平和以降低的PSD电平发送的非LPM音。 还公开了一种网络组件，包括至少一个处理器，其被配置为实现一种方法，包括检测多个LPM音调信号和多个非LPM音调信号的多个信噪比（SNR）值，以及处理串扰干扰 使用检测到的SNR值。

公开(公告)号：US20120311653A1

公开(公告)日：2012-12-06

申请号：US13587646

申请日：2012-08-16

申请人： Guijin Xu ,  Ruzhou Feng ,  Guozhu Long ,  Jianhua Liu

发明人： Guijin Xu ,  Ruzhou Feng ,  Guozhu Long ,  Jianhua Liu

IPC分类号： H04N7/173

CPC分类号： H04J3/0638 ,  H04M11/062

摘要： A clock synchronization method, customer premises equipment and a clock synchronization system are provided. The customer premises equipment reads a first time stamp when receiving a first specific position of a first DMT signal sent by central office equipment; reads a second time stamp when sending a second specific position of a second DMT signal; receives a third time stamp and a fourth time stamp that are sent by the central office equipment through a data information channel. The third time stamp is read when the central office equipment sends the first specific position of the first DMT signal, and the fourth time stamp is read when the central office equipment receives the second specific position of the second DMT signal. The customer premises equipment adjusts a clock of the customer premises equipment according to the first, second, third and fourth time stamps.

摘要翻译： 提供了时钟同步方法，客户端设备和时钟同步系统。 当接收到由中心局设备发送的第一DMT信号的第一特定位置时，客户驻地设备读取第一时间戳; 当发送第二DMT信号的第二特定位置时读取第二时间戳; 接收由中心局设备通过数据信息通道发送的第三时间戳和第四时间戳。 当中央办公设备发送第一DMT信号的第一特定位置时，读取第三时间戳，并且当中心局设备接收到第二DMT信号的第二特定位置时，读取第四时间戳。 客户端设备根据第一，第二，第三和第四时间戳来调整客户驻地设备的时钟。