-
11.发明授权Method, apparatus and system for compatibility with VDSL2 legacy customer premises equipment 有权与VDSL2传统客户端设备兼容的方法，设备和系统公开(公告)号：US09225826B2
公开(公告)日：2015-12-29
申请号：US14623386
申请日：2015-02-16
Applicant: Huawei Technologies Co., Ltd.
CPC classification number: H04M3/34 , H04B3/32 , H04B3/487 , H04M3/007 , H04M11/062
Abstract: Embodiments of the present invention provide a method for compatibility with a VDSL2 legacy customer premises equipment, including: selecting tones in preset locations from tones of a legacy line as training tones; controlling the training tones not to transmit data and modulating a pilot sequence on the training tones; calculating and feeding back clipped errors on a Vectored line; and calculating coefficients, for the training tones, of crosstalk of the legacy line in the Vectored line according to the pilot sequence and the clipped errors. The embodiments of the present invention further provide an apparatus and a system for compatibility with a VDSL2 legacy customer premises equipment.
Abstract translation: 本发明的实施例提供了一种用于与VDSL2传统客户驻地设备的兼容性的方法，包括：从传统线路的音调中选择预设位置的音调作为训练音; 控制训练音调不发送数据和调制训练音上的导频序列; 计算并反馈在向导线上的限幅误差; 以及根据导频序列和限幅误差，计算导频线中传统线路的串扰的训练音调的系数。 本发明的实施例还提供了一种用于与VDSL2传统客户驻地设备兼容的装置和系统。
-
公开(公告)号：US10122410B2
公开(公告)日：2018-11-06
申请号：US15471955
申请日：2017-03-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaolong Zhang , Jie Lv
Abstract: A channel transmission characteristic obtaining method and apparatus, where the method includes obtaining transmission characteristic curves of at least two channels in a cable modem in a channel scanning manner, where the at least two channels form one contiguous frequency band, and frequencies corresponding to the transmission characteristic curves of the at least two channels include frequency values on a same order of magnitude, and amplitude values on a same order of magnitude, translating the transmission characteristic curves of the channels in an amplitude direction, to make amplitudes corresponding to same frequencies on all transmission characteristic curves overlapped in order to form one continuous curve, and setting the continuous curve as a transmission characteristic curve of the contiguous frequency band.
-
13.发明授权公开(公告)号：US09712208B2
公开(公告)日：2017-07-18
申请号：US14611553
申请日：2015-02-02
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jianping Tu , Jie Lv , Xiang Wang
CPC classification number: H04B3/32 , H04L25/0224
Abstract: The present invention provides a method and an apparatus for training a Vector coefficient of a vectored digital subscriber line, where the method includes: after a handshake phase is executed for a joining line, calculating, by using a pilot estimation method, an initial precoding coefficient and an initial cancellation coefficient that represent interference from the joining line to a normal working line; and after a channel discovery phase is executed for the joining line, compensating the initial precoding coefficient and the initial cancellation coefficient by using a compensation factor, to obtain a precoding coefficient and a cancellation coefficient that represent the interference from the joining line to the normal working line, wherein the compensation factor is obtained according to a signal power change or a signal phase change of the joining line. The present invention improves efficiency of Vector coefficient training.
-
14.发明授权公开(公告)号：US08831114B2
公开(公告)日：2014-09-09
申请号：US13972181
申请日：2013-08-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jie Lv
CPC classification number: H04B3/32 , H04B3/28 , H04L1/06 , H04L5/20 , H04L25/0272 , H04L25/0276 , H04L25/085
Abstract: Embodiments of the present invention relate to the field of communication technologies, and in particular, to a method, an apparatus, and a system for processing signals based on a twisted pair. The method for processing signals based on a twisted pair includes: determining a signal processing manner; performing, according to the signal processing manner, digital processing on signals of the extended channels that are to be sent to convert the signals of the extended channels into common mode signals of each twisted pair; and sending the converted common mode signals of the each twisted pair to corresponding twisted pairs for transmission.
Abstract translation: 本发明的实施例涉及通信技术领域，特别涉及一种用于处理基于双绞线的信号的方法，装置和系统。 基于双绞线处理信号的方法包括：确定信号处理方式; 根据信号处理方式对要发送的扩展信道的信号进行数字处理，以将扩展信道的信号转换成每个双绞线的共模信号; 并将每个双绞线的转换的共模信号发送到相应的双绞线用于传输。
-
公开(公告)号：US20160049990A1
公开(公告)日：2016-02-18
申请号：US14928567
申请日：2015-10-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jie Lv , Xiang Wang
CPC classification number: H04B3/487 , H04B3/32 , H04L5/0042 , H04L5/0085 , H04L27/2601
Abstract: Embodiments of the present invention provide a power control method, device, and system, and relate to the field of communications technologies. The method is applied to a vectoring system, where the vectoring system includes multiple lines, each line includes multiple subcarriers, and for each subcarrier, a crosstalk channel is formed between the multiple lines, and the method includes: obtaining a closed subcarrier set of the multiple lines according to line crosstalk channel information corresponding to each subcarrier of the multiple subcarriers, where the closed subcarrier set includes a subcarrier set required to be closed on the multiple lines; and sending the closed subcarrier set of the multiple lines to a transceiver, and closing, by the transceiver, a transmit signal on a subcarrier required to be closed on each line.
Abstract translation: 本发明的实施例提供功率控制方法，装置和系统，并且涉及通信技术领域。 该方法应用于向量系统，其中矢量系统包括多条线路，每条线路包括多个子载波，并且对于每个子载波，在多条线路之间形成串扰信道，并且该方法包括：获得闭合的子载波集合 根据与多个子载波的每个子载波相对应的线路串扰信道信息的多条线路，其中闭合副载波集合包括在多条线路上需要关闭的子载波集合; 并且将多条线路的闭合子载波组发送到收发机，并且由收发器关闭在每条线路上需要关闭的子载波上的发射信号。
-
Patent Agency Ranking
16.发明授权Method, apparatus, and system for reducing digital subscriber line interference 有权减少数字用户线路干扰的方法，装置和系统公开(公告)号：US08908834B2
公开(公告)日：2014-12-09
申请号：US14266522
申请日：2014-04-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianping Tu , Jie Lv , Jinxiong Lv
Abstract: The present invention provides a method, an apparatus, and a system for reducing digital subscriber line interference. The method includes identifying at least one legacy digital subscriber line in a digital subscriber line DSL legacy line set, obtaining a target power spectral density mask value of the legacy digital subscriber line, and reducing power spectral density of a transmit signal on the legacy digital subscriber line according to the target power spectral density mask value.
Abstract translation: 本发明提供一种减少数字用户线干扰的方法，装置和系统。 该方法包括识别数字用户线DSL传统线路组中的至少一个传统数字用户线路，获得传统数字用户线路的目标功率频谱密度掩码值，以及降低传统数字用户上的发射信号的功率谱密度 线根据目标功率谱密度掩模值。
-
公开(公告)号：US10257018B2
公开(公告)日：2019-04-09
申请号：US15429491
申请日：2017-02-10
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaolong Zhang , Jie Lv
IPC: H04B3/48 , H04L12/24 , G01R31/08 , G01R23/16 , H04L12/28 , H04B10/079 , H04B10/2575
Abstract: A failure analysis method and device, where the method includes obtaining a frequency domain response amplitude of a channel from a hybrid fiber-coaxial (HFC) network, performing linear fitting on an effective portion of the frequency domain response amplitude to determine a channel slope value, and performing channel failure analysis according to the channel slope value. Failure analysis is performed according to the obtained channel slope value, and the channel slope value is a new failure analysis parameter. In this way, means of channel failure analysis increase, and channel failure analysis is more accurate.
-
公开(公告)号：US09992089B2
公开(公告)日：2018-06-05
申请号：US15355203
申请日：2016-11-18
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jie Lv , Xiaolong Zhang
IPC: H04B3/00 , H04B3/46 , H04B17/391 , H04L12/26 , H04B10/079 , H04L1/00 , H04L1/20 , H04Q11/00
CPC classification number: H04L43/0847 , H04B3/00 , H04B3/46 , H04B10/0793 , H04B17/391 , H04L1/0036 , H04L1/203 , H04L1/206 , H04Q11/0066 , H04Q2011/0083
Abstract: The present invention discloses a parameter obtaining method and apparatus. In this method, multiple signals are received over a communications link on a network, where each of the received signals is corresponding to a point on a complex plane; decision is performed on each of the received signals; for each of the received signals, an error signal between the received signal and a corresponding decision signal is determined; and a complex-plane distribution feature parameter used to indicate a distribution feature, on the complex plane, of the signals received over the communications link is determined according to all the determined error signals. In this method, an inaccurate maintenance result in manual analysis of a constellation diagram is avoided.
-
19.发明申请METHOD, APPARATUS AND SYSTEM FOR COMPATIBILITY WITH VDSL2 LEGACY CUSTOMER PREMISES EQUIPMENT 有权方法，与VDSL2 LEGACY CUSTOMER PREMISE EQUIPMENT兼容的装置和系统公开(公告)号：US20150163350A1
公开(公告)日：2015-06-11
申请号：US14623386
申请日：2015-02-16
Applicant: Huawei Technologies Co., Ltd.
CPC classification number: H04M3/34 , H04B3/32 , H04B3/487 , H04M3/007 , H04M11/062
Abstract: Embodiments of the present invention provide a method for compatibility with a VDSL2 legacy customer premises equipment, including: selecting tones in preset locations from tones of a legacy line as training tones; controlling the training tones not to transmit data and modulating a pilot sequence on the training tones; calculating and feeding back clipped errors on a Vectored line; and calculating coefficients, for the training tones, of crosstalk of the legacy line in the Vectored line according to the pilot sequence and the clipped errors. The embodiments of the present invention further provide an apparatus and a system for compatibility with a VDSL2 legacy customer premises equipment.
Abstract translation: 本发明的实施例提供了一种用于与VDSL2传统客户驻地设备的兼容性的方法，包括：从传统线路的音调中选择预设位置的音调作为训练音; 控制训练音调不发送数据和调制训练音上的导频序列; 计算并反馈在向导线上的限幅误差; 以及根据导频序列和限幅误差，计算导频线中传统线路的串扰的训练音调的系数。 本发明的实施例还提供了一种用于与VDSL2传统客户驻地设备兼容的装置和系统。
-
公开(公告)号：US08953664B2
公开(公告)日：2015-02-10
申请号：US13909770
申请日：2013-06-04
Applicant: Huawei Technologies Co., Ltd.
Inventor： Cao Shi , Zhong Pan , Jie Lv , Shicai Chen
CPC classification number: H04M11/06 , H04M11/062
Abstract: Embodiments of the present invention provide a method for activating a DSL. The method includes: sending, by a central office equipment, a sync frame period indication message to a customer premises equipment, where a sync frame period indicated by the sync frame period indication message is smaller than a specified sync frame period threshold; receiving a reply message sent by the customer premises equipment in response to the sync frame period indication message, where the reply message indicates whether the customer premises equipment accepts the sync frame period indicated by the sync frame period indication message; and if the reply message indicates that the customer premises equipment accepts the sync frame period, performing, by the central office equipment, vectoring training by using a corresponding sync frame within the sync frame period. The embodiments of the present invention further provide corresponding equipments, a system, and a program product.
Abstract translation: 本发明的实施例提供了一种激活DSL的方法。 该方法包括：由中心局设备向客户驻地设备发送同步帧周期指示消息，其中由同步帧周期指示消息指示的同步帧周期小于指定的同步帧周期阈值; 响应于所述同步帧周期指示消息，接收由所述客户驻地设备发送的应答消息，其中所述应答消息指示所述客户驻地设备是否接受由所述同步帧周期指示消息指示的同步帧周期; 并且如果所述回复消息指示所述客户驻地设备接受所述同步帧周期，则由所述中心局设备通过在所述同步帧周期内使用对应的同步帧执行向量化训练。 本发明的实施例还提供对应的设备，系统和程序产品。
-
-
-
-
-
-
-
-
-
Search Results
20
records
(took 0.017 seconds)
