CN103828251A - 一种兼容vdsl2传统用户端设备的方法、装置及系统 - Google Patents

一种兼容vdsl2传统用户端设备的方法、装置及系统 Download PDF

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Publication number
CN103828251A
CN103828251A CN201280001120.2A CN201280001120A CN103828251A CN 103828251 A CN103828251 A CN 103828251A CN 201280001120 A CN201280001120 A CN 201280001120A CN 103828251 A CN103828251 A CN 103828251A
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China
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signal
subcarrier
training
crosstalk coefficient
traditional circuit
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CN201280001120.2A
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CN103828251B (zh
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石操
吕捷
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/32—Reducing cross-talk, e.g. by compensating
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H04B3/487—Testing crosstalk effects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
    • H04M3/007—Access interface units for simultaneous transmission of speech and data, e.g. digital subscriber line [DSL] access interface units
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/34—Testing for cross-talk

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

本发明实施例提供了一种兼容VDSL2中传统用户端设备的方法，包括在传统线路的子载波中选择预设位置的子载波作为训练子载波；控制所述训练子载波不传输数据并在所述训练子载波中调制导频序列；在矢量线路上计算并反馈截取误差；根据所述导频序列及截取误差计算在所述训练子载波上，所述传统线路对矢量线路的串扰系数。本发明实施例还提供了一种兼容VDSL2中传统用户端设备的装置及系统，采用本发明，可在不增加成本且不改变现有传统用户端设备的前提下，得到传统线路对矢量线路的串扰系数，进而消除传统线路对矢量线路的串音，实现Vectored-DSL系统对传统用户端设备的兼容。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201280001120.2A 2012-08-30 2012-08-30 一种兼容vdsl2传统用户端设备的方法、装置及系统 Active CN103828251B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/080801 WO2014032260A1 (zh) 2012-08-30 2012-08-30 一种兼容vdsl2传统用户端设备的方法、装置及系统

Publications (2)

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CN103828251A true CN103828251A (zh) 2014-05-28
CN103828251B CN103828251B (zh) 2016-06-15

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US (1) US9225826B2 (zh)
EP (1) EP2876817B1 (zh)
CN (1) CN103828251B (zh)
WO (1) WO2014032260A1 (zh)

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WO2014180792A1 (en) * 2013-05-05 2014-11-13 Lantiq Deutschland Gmbh Training optimization of multiple lines in a vectored system using a prepared-to-join group
WO2015054596A1 (en) * 2013-10-10 2015-04-16 Ikanos Communications, Inc. Method and apparatus for vectoring adsl2 lines
WO2015127624A1 (zh) * 2014-02-27 2015-09-03 华为技术有限公司 串扰信道估计方法、矢量化控制实体及osd系统
EP3242410B1 (en) * 2014-03-25 2020-05-20 Lantiq Beteiligungs-GmbH & Co.KG Interference mitigation
EP2942933B1 (en) * 2014-05-05 2021-04-21 ADTRAN GmbH Data processing in a digital subscriber line environment
US10193594B2 (en) * 2014-09-30 2019-01-29 British Telecommunications Public Limited Company Method and apparatus for transmitting and receiving signals over pairs of wires
US10141976B2 (en) 2015-02-24 2018-11-27 Lantiq Beteiligungs-GmbH & Co. KG Crosstalk mitigation
CN108028678B (zh) * 2015-04-29 2020-12-22 华为技术有限公司 一种发送信号的方法、装置和系统
WO2018041833A1 (en) 2016-08-29 2018-03-08 British Telecommunications Public Limited Company Method and apparatus for transmitting data over metallic wire pairs
EP3301898A1 (en) 2016-09-29 2018-04-04 British Telecommunications public limited company Method and apparatus for transmitting data from a transmitter device to one or more receiver devices
EP3539282B1 (en) 2016-11-08 2021-05-26 British Telecommunications Public Limited Company Method and apparatus for operating a digital subscriber line arrangement
EP3539283B1 (en) 2016-11-08 2021-03-31 British Telecommunications Public Limited Company Method and apparatus for operating a digital subscriber line arrangement
EP3554028A4 (en) * 2016-12-30 2019-11-13 Huawei Technologies Co., Ltd. SIGNAL PROCESSING METHOD, NETWORK SIDE DEVICE, AND CLIENT TERMINAL DEVICE
US10455079B2 (en) * 2017-09-07 2019-10-22 Nokia Solutions And Networks Oy Effective crosstalk estimation in presence of clipping errors
EP3554016B1 (en) * 2018-04-15 2021-10-27 National Instruments Belgium NV Exchanging data in a real-time data communication system

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CN102388588A (zh) * 2011-09-30 2012-03-21 华为技术有限公司 一种串扰信道估计方法、装置及系统

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US20140369480A1 (en) * 2013-06-12 2014-12-18 Adaptive Spectrum And Signal Alignment, Inc. Systems, methods, and apparatuses for implementing a dsl system
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US20050237954A1 (en) * 1999-05-21 2005-10-27 Kazutomo Hasegawa Digital subscriber line transmission method, apparatus and system
US20100271263A1 (en) * 2008-03-31 2010-10-28 Mehran Moshfeghi Method and System for Determining the Position of a Mobile Station
CN102111186A (zh) * 2011-02-16 2011-06-29 华为技术有限公司 绑定数字用户线路信道的信号处理方法、装置与系统
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US10505583B2 (en) 2016-12-19 2019-12-10 Futurewei Technologies, Inc. Crosstalk channel estimation for legacy CPE

Also Published As

Publication number Publication date
WO2014032260A1 (zh) 2014-03-06
US20150163350A1 (en) 2015-06-11
EP2876817A4 (en) 2015-10-14
EP2876817B1 (en) 2017-10-11
EP2876817A1 (en) 2015-05-27
CN103828251B (zh) 2016-06-15
US9225826B2 (en) 2015-12-29

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