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41. 发明申请

US20130272703A1 Method and Apparatus of Delivering Upstream Data in Ethernet Passive Optical Network Over Coaxial Network 有权
标题翻译：以太网无源光网络同轴网络上传数据的方法与装置
公开(公告)号：US20130272703A1
公开(公告)日：2013-10-17
申请号：US13447748
申请日：2012-04-16
申请人： Liming Fang , Jim Chen , Kira Zhang
发明人： Liming Fang , Jim Chen , Kira Zhang
IPC分类号： H04B10/20
CPC分类号： H04B10/2575 , H04B10/27 , H04J14/08 , H04L12/00 , H04Q11/0067 , H04Q11/0071 , H04Q2011/0064 , H04Q2011/0086
摘要： An apparatus for interconnecting a fiber-optic network and a coax network comprising a coax line terminal (CLT) configured to couple to an optical line terminal (OLT) at the fiber-optic network and a plurality of coax network units (CNUs) at the coax network and to cache data received from the CNUs and forward the cached data to the OLT upon receiving a message from the OLT that assigns a transmission cycle for a specified CNU, wherein the CLT forwards the cached data to the OLT upon receiving the message regardless of whether the cached data corresponds to the specified CNU.
摘要翻译：一种用于互连光纤网络和同轴电缆网络的装置，包括被配置为耦合到光纤网络处的光线路终端（OLT）的同轴线路终端（CLT）和在该光纤网络处的多个同轴电缆网络单元（CNU）同轴网络和缓存从CNU接收的数据，并且在从OLT接收到为指定的CNU分配传输周期的消息时将缓存的数据转发到OLT，其中CLT在接收到消息时将缓存的数据转发到OLT 缓存数据是否对应于指定的CNU。

42. 发明授权

US08477929B2 Method, device and system for line management 失效
标题翻译：线路管理的方法，设备和系统
公开(公告)号：US08477929B2
公开(公告)日：2013-07-02
申请号：US12847111
申请日：2010-07-30
申请人： Liming Fang , Cheng Li
发明人： Liming Fang , Cheng Li
IPC分类号： H04M9/00
CPC分类号： H04B3/32 , H04L5/0037 , H04L5/0062 , H04L5/1423 , H04M3/34 , H04M11/062
摘要： A method for line management includes: acquiring running parameters of a subscriber line; computing a transmitting power spectral density, PSD, and reference virtual noise of the subscriber line according to the running parameters; activating the subscriber line according to the transmitting PSD and the reference virtual noise. A device and system for line management are provided correspondingly. Reference virtual noise needed by virtual noise technology is set rationally according to the information provided by dynamic spectrum management, DSM, Level 2 algorithm. The utilization of the virtual noise technology improves the line stability under the DSM Level 2 algorithm, and has an effect of optimizing the subscriber line.
摘要翻译：线路管理方法包括：获取用户线的运行参数; 根据运行参数计算用户线的发射功率谱密度，PSD和参考虚拟噪声; 根据传输PSD和参考虚拟噪声激活用户线路。相应地提供用于线路管理的设备和系统。根据动态频谱管理DSM，Level 2算法提供的信息合理设置虚拟噪声技术所需的虚拟噪声参考。虚拟噪声技术的使用提高了DSM Level 2算法下的线路稳定性，具有优化用户线的效果。

43. 发明授权

US08391125B2 Method and device for managing channel matrix 有权
标题翻译：用于管理信道矩阵的方法和设备
公开(公告)号：US08391125B2
公开(公告)日：2013-03-05
申请号：US12202921
申请日：2008-09-02
申请人： Jun Zhou , Gouzhou Long , Dong Wei , Liming Fang , Zihuan Chen
发明人： Jun Zhou , Gouzhou Long , Dong Wei , Liming Fang , Zihuan Chen
IPC分类号： H04J1/12 , H04J3/10
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。

44. 发明授权

US08254471B2 Far-end crosstalk canceling method and device, and signal processing system 有权
标题翻译：远端串扰消除方法和装置，以及信号处理系统
公开(公告)号：US08254471B2
公开(公告)日：2012-08-28
申请号：US12478962
申请日：2009-06-05
申请人： Liming Fang
发明人： Liming Fang
IPC分类号： H04B3/32 , H04B15/00 , H04J1/12 , H04L27/28
CPC分类号： H04B3/32 , H04B1/62 , H04J1/12 , H04L2012/6478
摘要： A method for remote crosstalk cancellation, includes: filtering, at a first transmitting end which is connected to a first receiving end over a first line, crosstalk source signals according to values of filtering parameters; synthesizing, at the first transmitting end, a first signal to be transmitted over the first line and the filtered crosstalk source signals; transmitting the synthesized signal from the first transmitting end to the first receiving end over the first line; receiving, at the first transmitting end, a noise statistic related value fed back from the first receiving end; and adjusting, at the transmitting end, the values of the filtering parameters according to the noise statistic related value. A corresponding device and a signal processing system for remote crosstalk cancellation are provided.
摘要翻译：一种用于远程串扰消除的方法，包括：在通过第一线连接到第一接收端的第一发射端处，根据滤波参数的值对串扰源信号进行滤波; 在第一发送端合成要在第一线路上传输的第一信号和经滤波的串扰源信号; 将所述合成信号从所述第一发送端发送到所述第一接收端; 在第一发送端接收从第一接收端反馈的噪声统计相关值; 并且根据噪声统计相关值在发送端调整滤波参数的值。提供了一种用于远程串扰消除的相应设备和信号处理系统。

45. 发明授权

US08165234B2 Method and system for synchronizing OFDM transmission symbols 有权
标题翻译：用于同步OFDM传输符号的方法和系统
公开(公告)号：US08165234B2
公开(公告)日：2012-04-24
申请号：US12273964
申请日：2008-11-19
申请人： Liming Fang , Jun Zhou
发明人： Liming Fang , Jun Zhou
IPC分类号： H04L27/28
CPC分类号： H04L27/2662 , H04L5/0007 , H04L27/2602 , H04L27/2626 , H04L27/2675
摘要： A method for synchronizing orthogonal frequency division multiplexing (OFDM) transmission symbols includes: an OFDM transmission module receives a synchronization signal, and adjusts the OFDM symbols sent by all lines to synchronous symbols according to the synchronization signal and send the symbols out. The present invention also provides a system for synchronizing OFDM transmission symbols. In the present invention, the weaknesses of the prior art are overcome; a synchronization signal generator generates a synchronization signal and sends it to the OFDM transmission equipment; and the OFDM transmission equipment adjusts the OFDM symbols sent by all lines to synchronous symbols according to the synchronization signal and send the symbols out, thus accomplishing synchronization between OFDM symbols and optimizing the performance of the dynamic spectrum management (DSM).
摘要翻译：一种用于同步正交频分复用（OFDM）传输符号的方法包括：OFDM传输模块接收同步信号，并根据同步信号将所有行发送的OFDM符号调整为同步符号，并发送符号。本发明还提供了一种用于同步OFDM传输符号的系统。在本发明中克服了现有技术的缺陷; 同步信号发生器产生同步信号并将其发送到OFDM传输设备; 并且OFDM传输设备根据同步信号将所有线路发送的OFDM符号调整为同步符号，并发送符号，从而完成OFDM符号之间的同步并优化动态频谱管理（DSM）的性能。

46. 发明申请

US20110206102A1 METHOD, SYSTEM, AND DEVICE FOR RAPIDLY EXITING TRAINING 有权
标题翻译：用于快速退出培训的方法，系统和设备
公开(公告)号：US20110206102A1
公开(公告)日：2011-08-25
申请号：US13097950
申请日：2011-04-29
申请人： Liming Fang , Raphael Cendrillon , Pengrui Zhang
发明人： Liming Fang , Raphael Cendrillon , Pengrui Zhang
IPC分类号： H04B1/38
CPC分类号： H04B3/32 , H04M11/062
摘要： A method, a system, and a device for rapidly exiting training are provided. The method includes: in a training procedure of a Vectored-Digital Subscriber Line (DSL) filter, comparing a feedback error value of the filter and/or a swing range of a filter coefficient with a preset threshold, and determining whether the filter meets a convergence condition according to a comparison result; and exiting the training procedure of the filter when the filter meets the convergence condition. The method, system, and device are applicable to a training procedure of a Vectored-DSL precoder or canceller, so as to rapidly exit the training procedure.
摘要翻译：提供了一种用于快速退出训练的方法，系统和装置。该方法包括：在向量数字用户线（DSL）滤波器的训练过程中，将滤波器的反馈误差值和/或滤波器系数的摆动范围与预设阈值进行比较，以及确定滤波器是否满足收敛条件根据比较结果; 并且当滤波器满足收敛条件时退出滤波器的训练过程。方法，系统和设备适用于Vectored-DSL预编码器或消除器的训练程序，以便迅速退出训练程序。

47. 发明申请

US20110176594A1 Method, Apparatus and System for Returning Signal Error in Multi-Carrier Communication System 审中-公开
标题翻译：多载波通信系统中返回信号误差的方法，装置和系统
公开(公告)号：US20110176594A1
公开(公告)日：2011-07-21
申请号：US13043981
申请日：2011-03-09
申请人： Liming Fang , Raphael Cendrillon , Chin Ngek Hung
发明人： Liming Fang , Raphael Cendrillon , Chin Ngek Hung
IPC分类号： H04B17/00
CPC分类号： H04L1/0027 , H04L1/0026 , H04L1/0029 , H04L5/0007 , H04L5/0053
摘要： A method for returning a signal error in a multi-carrier communication system is disclosed. A specific sub-carrier interval is determined. The specific sub-carrier interval is larger than an interval between adjacent sub-carriers in the multi-carrier communication system. A signal error is returned to a central office end on a corresponding frequency in a communication frequency band of the multi-carrier communication system at the specific sub-carrier intervals.
摘要翻译：公开了一种在多载波通信系统中返回信号误差的方法。确定特定的子载波间隔。特定子载波间隔大于多载波通信系统中相邻副载波之间的间隔。在多载波通信系统的通信频带中以特定子载波间隔将信号误差返回到相应频率上的中心局端。

48. 发明授权

US07907506B2 Method, system and device for xDSL crosstalk cancellation 有权
标题翻译：用于xDSL串扰消除的方法，系统和设备
公开(公告)号：US07907506B2
公开(公告)日：2011-03-15
申请号：US12369443
申请日：2009-02-11
申请人： Liming Fang , Ying Li , Zihuan Chen
发明人： Liming Fang , Ying Li , Zihuan Chen
IPC分类号： H04J1/12
CPC分类号： H04M11/062 , H04B3/32 , H04L5/14 , H04L25/022 , H04L25/0246 , H04L25/03159 , H04L2025/03414
摘要： A method and system for xDSL crosstalk cancellation is provided. The method includes dividing xDSL signals into a plurality of signal sets; and connecting signals from a same signal set to a same processing unit to be processed. A digital subscriber line access multiplexer (DSLAM) includes a line switching control module and at least one processing unit.
摘要翻译：提供了一种用于xDSL串扰消除的方法和系统。该方法包括将xDSL信号分成多个信号组; 并将来自相同信号组的信号连接到要处理的相同处理单元。数字用户线路接入复用器（DSLAM）包括线路交换控制模块和至少一个处理单元。

49. 发明申请

US20100027601A1 Method and Apparatus for Controlling DSL Line Transmission Power 有权
标题翻译：控制DSL线路传输功率的方法和装置
公开(公告)号：US20100027601A1
公开(公告)日：2010-02-04
申请号：US12551246
申请日：2009-08-31
申请人： Liming Fang
发明人： Liming Fang
IPC分类号： H04B1/38
CPC分类号： H04L25/085 , H04B3/32 , H04L25/03828 , H04L27/2601 , H04M11/062
摘要： A method for controlling DSL transmission power includes: determining a group to which a line belongs, and selecting a representative line from each group to form a line model; obtaining a crosstalk model of the line model; obtaining Transmit Power Spectrum Density (TxPSD) of each representative line in the line model according to the crosstalk model, and converting the TxPSD into a spectrum control parameter; and enhancing the line rate according to the spectrum control parameter. An apparatus for controlling DSL transmission power is also disclosed. Through the method, the transmission power of the band that incurs serious line crosstalk is restricted, and the line that incurs serious crosstalk can achieve higher transmission rates. Therefore, the adverse impact from the crosstalk between xDSL lines is reduced, and the line works in the optimum state.
摘要翻译：一种用于控制DSL传输功率的方法包括：确定一条线路所属的组，并从每个组中选择一条代表线以形成线路模型; 获得线模型的串扰模型; 根据串扰模型获得线路模型中每个代表线的发射功率谱密度（TxPSD），并将TxPSD转换为频谱控制参数; 并根据频谱控制参数提高线路速率。还公开了一种用于控制DSL传输功率的装置。通过该方法，导致严重线路串扰的频带的发射功率受到限制，并且导致严重串扰的线路可以实现更高的传输速率。因此，xDSL线路之间串扰的不利影响降低，线路处于最佳状态。

50. 发明申请

US20090116376A1 METHOD FOR COMMON TRANSMISSION OVER MULTIPLE LINE PAIRS, AND TRANSMITTING END AND RECEIVING END THEREFOR 有权
标题翻译：多行线对通用传输方法，发送端和接收端
公开(公告)号：US20090116376A1
公开(公告)日：2009-05-07
申请号：US12351598
申请日：2009-01-09
申请人： Liming Fang
发明人： Liming Fang
IPC分类号： H04J11/00 , H04J1/00
CPC分类号： H04B3/32 , H04L5/0023 , H04L5/0044 , H04L5/006 , H04L5/20 , H04L12/2881 , H04L12/4633 , H04L12/5601 , H04L2012/5618 , H04L2012/5665 , H04M11/062 , H04Q11/0428 , H04Q2213/13196 , H04Q2213/13204 , H04Q2213/1329 , H04Q2213/13389 , H04Q2213/13399
摘要： The present disclosure discloses a method for common transmission over multiple line pairs, and a transmitting device and a receiving device therefor. The method for common transmission over multiple line pairs includes: modulating information to be sent; and sending a modulated signal to a receiving device over the multiple line pairs; wherein, a transmission spectrum of each transmitter in the multiple line pairs comprises two parts: a first part is a frequency segment that meets a bearer condition of a modulation method, and a second part is a frequency segment that does not meet the bearer condition of the modulation method.
摘要翻译：本公开公开了一种用于通过多个线对的公共传输的方法，以及用于其的发送设备和接收设备。用于多条线对上的公共传输的方法包括：调制要发送的信息; 以及通过所述多个线对将调制信号发送到接收设备; 其中，所述多个线路对中的每个发射机的发射频谱包括两部分：第一部分是满足调制方式的载体状态的频段，第二部分是不满足载波状态的频段调制方式。

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