CN105453501A - 串扰估计方法、装置及系统 - Google Patents

串扰估计方法、装置及系统 Download PDF

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Publication number
CN105453501A
CN105453501A CN201480011127.1A CN201480011127A CN105453501A CN 105453501 A CN105453501 A CN 105453501A CN 201480011127 A CN201480011127 A CN 201480011127A CN 105453501 A CN105453501 A CN 105453501A
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Prior art keywords
line
training signal
pilot tone
pilot
signal
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CN201480011127.1A
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CN105453501B (zh
Inventor
涂建平
潘众
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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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • 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
    • H04M3/22—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6478—Digital subscriber line, e.g. DSL, ADSL, HDSL, XDSL, VDSL

Landscapes

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

Abstract

本发明提供一种串扰估计方法、装置和系统。本发明实施例提供的串扰处理方法、装置和系统，线路的收发器根据矢量化控制实体分配的导频序列，分别生成与其它线路的导频训练信号满足预设关系的不同频谱范围内的导频训练信号，使线路的接收器可分别根据不同的导频训练信号确定样本误差，从而使矢量化控制实体确定其它线路对该线路的带内频谱、带外频谱的串扰信道系数，从而通过对该线路的待发送数据信号进行预编码处理，即可消除其它线路对该线路带内和带外频谱间的串扰影响，降低了不同属性线路共存的系统内，由于线路间的串扰对线路速率的影响，从而增加了FTTC提速的效果和稳定性。

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。
CN201480011127.1A 2014-07-24 2014-07-24 串扰估计方法、装置及系统 Active CN105453501B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/082934 WO2016011642A1 (zh) 2014-07-24 2014-07-24 串扰估计方法、装置及系统

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CN105453501A true CN105453501A (zh) 2016-03-30
CN105453501B CN105453501B (zh) 2019-02-19

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US (1) US9756178B2 (zh)
EP (1) EP3154230B1 (zh)
CN (1) CN105453501B (zh)
WO (1) WO2016011642A1 (zh)

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CN107979390A (zh) * 2016-10-25 2018-05-01 中兴通讯股份有限公司 一种矢量化系统识别外部串入端口的方法及装置
CN109600179A (zh) * 2017-09-30 2019-04-09 富士通株式会社 信道间线性串扰的估计方法、装置和接收机
CN109728837A (zh) * 2017-10-30 2019-05-07 华为技术有限公司 一种抵消串扰信号的方法、装置及系统
CN109964461A (zh) * 2016-11-16 2019-07-02 杜塞尔多夫华为技术有限公司 基于与带内和带外子载波相关的映射函数对多载波信号进行预编码和解码的技术
CN110752863A (zh) * 2019-10-25 2020-02-04 中国人民解放军空军工程大学航空机务士官学校 一种多线间单粒子串扰的估计方法
US20220247603A1 (en) * 2021-01-29 2022-08-04 Marvell Asia Pte Ltd Method and Apparatus for Training a Full-Duplex Communication Link

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EP3185498A4 (en) * 2014-08-21 2018-04-18 LG Electronics Inc. Method for generating and transmitting pilot sequence in wireless communication system
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
WO2018098709A1 (zh) * 2016-11-30 2018-06-07 华为技术有限公司 信道估计的方法及装置
CN111106850B (zh) * 2018-10-25 2022-07-05 中兴通讯股份有限公司 一种矢量化技术中节省功耗的方法及相关设备
CN112751792B (zh) * 2019-10-31 2022-06-10 华为技术有限公司 一种信道估计方法及装置
US11677540B1 (en) * 2020-01-28 2023-06-13 Cable Television Laboratories, Inc. Systems and methods for data frame and data symbol synchronization in a communication network

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107979390A (zh) * 2016-10-25 2018-05-01 中兴通讯股份有限公司 一种矢量化系统识别外部串入端口的方法及装置
CN107979390B (zh) * 2016-10-25 2021-10-12 中兴通讯股份有限公司 一种矢量化系统识别外部串入端口的方法及装置
CN109964461A (zh) * 2016-11-16 2019-07-02 杜塞尔多夫华为技术有限公司 基于与带内和带外子载波相关的映射函数对多载波信号进行预编码和解码的技术
CN109964461B (zh) * 2016-11-16 2021-10-26 杜塞尔多夫华为技术有限公司 发送和接收多载波信号的方法以及设备
CN109600179A (zh) * 2017-09-30 2019-04-09 富士通株式会社 信道间线性串扰的估计方法、装置和接收机
US10892962B2 (en) 2017-09-30 2021-01-12 Fujitsu Limited Inter-channel linear crosstalk estimation method and apparatus and receiver
CN109600179B (zh) * 2017-09-30 2021-04-27 富士通株式会社 信道间线性串扰的估计方法、装置和接收机
CN109728837A (zh) * 2017-10-30 2019-05-07 华为技术有限公司 一种抵消串扰信号的方法、装置及系统
CN109728837B (zh) * 2017-10-30 2020-11-17 桐乡市定邦信息技术有限公司 一种抵消串扰信号的方法、装置及系统
CN110752863A (zh) * 2019-10-25 2020-02-04 中国人民解放军空军工程大学航空机务士官学校 一种多线间单粒子串扰的估计方法
CN110752863B (zh) * 2019-10-25 2021-07-20 中国人民解放军空军工程大学航空机务士官学校 一种多线间单粒子串扰的估计方法
US20220247603A1 (en) * 2021-01-29 2022-08-04 Marvell Asia Pte Ltd Method and Apparatus for Training a Full-Duplex Communication Link

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Publication number Publication date
US20170134569A1 (en) 2017-05-11
CN105453501B (zh) 2019-02-19
EP3154230B1 (en) 2018-10-24
EP3154230A1 (en) 2017-04-12
WO2016011642A1 (zh) 2016-01-28
EP3154230A4 (en) 2017-06-28
US9756178B2 (en) 2017-09-05

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