公开(公告)号：US08886986B2

公开(公告)日：2014-11-11

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： G06F1/12 ,  H04L5/14 ,  H04J1/00 ,  H04J3/08 ,  H04J3/06 ,  H04M11/06

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。 当中央办公室设备发送第一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。

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。

公开(公告)号：US08432851B2

公开(公告)日：2013-04-30

申请号：US12895326

申请日：2010-09-30

申请人： Guijin Xu ,  Guozhu Long ,  Ruzhou Feng

发明人： Guijin Xu ,  Guozhu Long ,  Ruzhou Feng

IPC分类号： H04B7/212 ,  H04J3/06 ,  H04L12/28 ,  H04L7/00

CPC分类号： H04L7/04 ,  H04J3/06 ,  H04J3/0685 ,  H04L27/2663 ,  H04L27/2672 ,  H04L27/2676 ,  H04L27/2682 ,  H04L27/2688 ,  H04L27/2691

摘要： A method, apparatus, and system for time synchronization are disclosed. The method comprising: obtaining a master sending time stamp, a slave receiving time stamp, a slave sending time stamp, and a master receiving time stamp; and adjusting the time of the slave clock according to the offset calculated from the time stamps to synchronize with the clock time of the master clock. With the present invention, in passband transmission systems that transmit signals continuously in units of symbols, the time synchronization is implemented between the master clock and the slave clock.

公开(公告)号：US20110075685A1

公开(公告)日：2011-03-31

申请号：US12895326

申请日：2010-09-30

申请人： Guijin Xu ,  Guozhu Long ,  Ruzhou Feng

发明人： Guijin Xu ,  Guozhu Long ,  Ruzhou Feng

IPC分类号： H04J3/06

CPC分类号： H04L7/04 ,  H04J3/06 ,  H04J3/0685 ,  H04L27/2663 ,  H04L27/2672 ,  H04L27/2676 ,  H04L27/2682 ,  H04L27/2688 ,  H04L27/2691

摘要： A method, apparatus, and system for time synchronization are disclosed. The method comprising: obtaining a master sending time stamp, a slave receiving time stamp, a slave sending time stamp, and a master receiving time stamp; and adjusting the time of the slave clock according to the offset calculated from the time stamps to synchronize with the clock time of the master clock. With the present invention, in passband transmission systems that transmit signals continuously in units of symbols, the time synchronization is implemented between the master clock and the slave clock.

摘要翻译： 公开了一种用于时间同步的方法，装置和系统。 该方法包括：获得主发送时间戳，从接收时间戳，从发送时间戳和主接收时间戳; 并根据从时间戳计算的偏移量调整从时钟的时间，以与主时钟的时钟时间同步。 利用本发明，在以符号为单位连续发送信号的通带传输系统中，在主时钟和从时钟之间实现时间同步。

公开(公告)号：US08553847B2

公开(公告)日：2013-10-08

申请号：US12562845

申请日：2009-09-18

申请人： Ruzhou Feng ,  Jun Zhou ,  Jianhua Liu

发明人： Ruzhou Feng ,  Jun Zhou ,  Jianhua Liu

IPC分类号： H04M1/24 ,  H04M3/08 ,  H04M3/22

CPC分类号： H04B3/46 ,  H04B3/32 ,  H04L5/0046 ,  H04L25/022 ,  H04L25/0224 ,  H04M11/062

摘要： A method for determining reference virtual noise of Digital Subscriber Line (DSL), includes: obtaining a receiver-end-actual noise of DSL subcarriers; and determining a reference virtual noise according to the obtained receiver-end-actual noise of the DSL subcarriers. Furthermore, the invention also discloses a device for determining a reference virtual noise of DSL, and a method and a system for configuring the reference virtual noise of DSL. The invention can improve the accuracy of the reference virtual noise, thereby making the configuration of the reference virtual noise more accurate.

摘要翻译： 一种用于确定数字用户线（DSL）的参考虚拟噪声的方法，包括：获得DSL子载波的接收机端实际噪声; 以及根据获得的DSL子载波的接收机端实际噪声来确定参考虚拟噪声。 此外，本发明还公开了一种用于确定DSL的参考虚拟噪声的装置，以及用于配置DSL的参考虚拟噪声的方法和系统。 本发明可以提高参考虚拟噪声的精度，从而使得参考虚拟噪声的配置更准确。

公开(公告)号：US20100014645A1

公开(公告)日：2010-01-21

申请号：US12562845

申请日：2009-09-18

申请人： Ruzhou Feng ,  Jun Zhou ,  Jianhua Liu

发明人： Ruzhou Feng ,  Jun Zhou ,  Jianhua Liu

IPC分类号： H04M1/24

CPC分类号： H04B3/46 ,  H04B3/32 ,  H04L5/0046 ,  H04L25/022 ,  H04L25/0224 ,  H04M11/062

摘要： A method for determining reference virtual noise of Digital Subscriber Line (DSL), includes: obtaining a receiver-end-actual noise of DSL subcarriers; and determining a reference virtual noise according to the obtained receiver-end-actual noise of the DSL subcarriers. Furthermore, the invention also discloses a device for determining a reference virtual noise of DSL, and a method and a system for configuring the reference virtual noise of DSL. The invention can improve the accuracy of the reference virtual noise, thereby making the configuration of the reference virtual noise more accurate.

摘要翻译： 一种用于确定数字用户线（DSL）的参考虚拟噪声的方法，包括：获得DSL子载波的接收机端实际噪声; 以及根据获得的DSL子载波的接收机端实际噪声来确定参考虚拟噪声。 此外，本发明还公开了一种用于确定DSL的参考虚拟噪声的装置，以及用于配置DSL的参考虚拟噪声的方法和系统。 本发明可以提高参考虚拟噪声的精度，从而使得参考虚拟噪声的配置更准确。

公开(公告)号：US08116218B2

公开(公告)日：2012-02-14

申请号：US12126180

申请日：2008-05-23

申请人： Jie Lv ,  Ruzhou Feng

发明人： Jie Lv ,  Ruzhou Feng

IPC分类号： H04L12/26

CPC分类号： H04M11/062 ,  H04L5/1446

摘要： The present disclosure includes a method for acquiring DSL parameters, a module for acquiring Digital Subscriber Line (DSL) parameters, and a line management system. The method includes: obtaining the priority of a DSL; and acquiring parameters of the DSL in an acquisition period corresponding to the obtained priority, in accordance with a preset corresponding relationship between the priority of the DSL and the acquisition period. The system includes: a module for acquiring DSL parameters, configured to obtain the priority of a DSL and acquire parameters of the DSL in an acquisition period corresponding to the obtained priority in accordance with a preset corresponding relationship between the priority of the DSL and the acquisition period; a database configured to store the parameters acquired by the module for acquiring DSL parameters; a line management module configured to manage the DSL using the DSL parameters.

摘要翻译： 本公开包括用于获取DSL参数的方法，用于获取数字用户线（DSL）参数的模块和线路管理系统。 该方法包括：获取DSL的优先级; 以及根据所述DSL的优先级与所述获取周期之间的预设对应关系，在与所获得的优先级对应的获取周期中获取所述DSL的参数。 该系统包括：用于获取DSL参数的模块，用于根据DSL的优先级和采集之间预设的对应关系，获取DSL的优先级，并在获取的优先级对应的采集周期中获取DSL的参数 期; 配置为存储由模块获取的用于获取DSL参数的参数的数据库; 线路管理模块，被配置为使用DSL参数来管理DSL。

公开(公告)号：US08005007B2

公开(公告)日：2011-08-23

申请号：US12549434

申请日：2009-08-28

申请人： Ruzhou Feng ,  Jun Zhou ,  Xinjun Zhang

发明人： Ruzhou Feng ,  Jun Zhou ,  Xinjun Zhang

IPC分类号： H04L12/26 ,  H04B1/38

CPC分类号： H04L41/00 ,  H04L41/0213 ,  H04L43/0847

摘要： A method for improving line stability, an adjusting apparatus and a system are provided. The method includes determining an Operating Performance Value (OPV) on a current Digital Subscriber Line (DSL); and if the OPV is below a preset Target Performance Value (TPV), adjusting Management Information Base (MIB) parameters in a line template. The apparatus includes a determining unit and an adjusting unit. With the provided method, apparatus, and system, the error correction capability of the DSL line can be updated with the actual bit error ratio to adapt to a complex environment and to improve the line stability.

摘要翻译： 提供了一种用于提高线路稳定性的方法，调节装置和系统。 该方法包括确定当前数字用户线路（DSL）上的操作性能值（OPV）; 并且如果OPV低于预设的目标性能值（TPV），则在行模板中调整管理信息库（MIB）参数。 该装置包括确定单元和调整单元。 利用所提供的方法，装置和系统，可以利用实际误码率来更新DSL线路的纠错能力，以适应复杂环境并提高线路稳定性。

公开(公告)号：US08331537B2

公开(公告)日：2012-12-11

申请号：US12939624

申请日：2010-11-04

申请人： Ruzhou Feng

发明人： Ruzhou Feng

IPC分类号： H04M1/24 ,  H04M3/08 ,  H04M3/22

CPC分类号： H04M3/30 ,  H04M11/062

摘要： A method and system for managing a line topology is provided by the embodiments of the disclosure. The method for managing a line topology includes obtaining an actual transfer function of the line according to the actual transfer function of the line and a transfer function of the bridge tap model, estimating a diameter and length of the bridge tap of the line and a diameter and length of the trunk line of the line according to the estimated diameter and length of the bridge tap and the diameter and length of the trunk line, obtaining a transfer function of the line model that includes the location parameter of the bridge tap by comparing the error between the actual transfer function and the transfer function of the line model which includes the location parameter of the bridge tap, estimating the position of the bridge tap according to the estimated diameter and length of the trunk line and the diameter and length of the bridge tap and the location of the bridge tap, and generating a topology of the line. By applying the embodiment of the disclosure to maintain and manage the line topology, the location of the bridge tap can be estimated effectively, and the line topology can be obtained.

摘要翻译： 用于管理线路拓扑的方法和系统由本公开的实施例提供。 用于管理线路拓扑的方法包括根据线路的实际传递函数和桥接抽头模型的传递函数获得线路的实际传递函数，估计线路的桥接器的直径和长度以及直径 根据桥式水龙头的估计直径和长度以及中继线的直径和长度，线路的干线长度，通过比较桥式水龙头的位置参数来获得包括桥式水龙头的位置参数的线路模型的传递函数 实际传递函数与线路模型的传递函数之间的误差，其中包括桥式抽头的位置参数，根据估计的干线直径和长度以及桥的直径和长度来估计桥接头的位置 点击并选择桥接器的位置，并生成该线路的拓扑。 通过应用本公开的实施例来维护和管理线路拓扑，可以有效地估计桥接抽头的位置，并且可以获得线路拓扑。

公开(公告)号：US20110058502A1

公开(公告)日：2011-03-10

申请号：US12939624

申请日：2010-11-04

申请人： Ruzhou Feng

发明人： Ruzhou Feng

IPC分类号： H04L12/28

CPC分类号： H04M3/30 ,  H04M11/062

摘要： A method and system for managing a line topology is provided by the embodiments of the disclosure. The method for managing a line topology includes obtaining an actual transfer function of the line according to the actual transfer function of the line and a transfer function of the bridge tap model, estimating a diameter and length of the bridge tap of the line and a diameter and length of the trunk line of the line according to the estimated diameter and length of the bridge tap and the diameter and length of the trunk line, obtaining a transfer function of the line model that includes the location parameter of the bridge tap by comparing the error between the actual transfer function and the transfer function of the line model which includes the location parameter of the bridge tap, estimating the position of the bridge tap according to the estimated diameter and length of the trunk line and the diameter and length of the bridge tap and the location of the bridge tap, and generating a topology of the line. By applying the embodiment of the disclosure to maintain and manage the line topology, the location of the bridge tap can be estimated effectively, and the line topology can be obtained.

摘要翻译： 用于管理线路拓扑的方法和系统由本公开的实施例提供。 用于管理线路拓扑的方法包括根据线路的实际传递函数和桥接抽头模型的传递函数获得线路的实际传递函数，估计线路的桥接器的直径和长度以及直径 根据桥式水龙头的估计直径和长度以及中继线的直径和长度，线路的干线长度，通过比较桥式水龙头的位置参数来获得包括桥式水龙头的位置参数的线路模型的传递函数 实际传递函数与线路模型的传递函数之间的误差，其中包括桥式抽头的位置参数，根据估计的干线直径和长度以及桥的直径和长度来估计桥接头的位置 点击并选择桥接器的位置，并生成该线路的拓扑。 通过应用本公开的实施例来维护和管理线路拓扑，可以有效地估计桥接抽头的位置，并且可以获得线路拓扑。