DE602007012454D1 - Verfahren und Vorrichtungen um die Übersprechungskoeffizienten bei Inbetriebnahme einer Leitung zu schätzen - Google Patents

Verfahren und Vorrichtungen um die Übersprechungskoeffizienten bei Inbetriebnahme einer Leitung zu schätzen

Info

Publication number
DE602007012454D1
DE602007012454D1 DE602007012454T DE602007012454T DE602007012454D1 DE 602007012454 D1 DE602007012454 D1 DE 602007012454D1 DE 602007012454 T DE602007012454 T DE 602007012454T DE 602007012454 T DE602007012454 T DE 602007012454T DE 602007012454 D1 DE602007012454 D1 DE 602007012454D1
Authority
DE
Germany
Prior art keywords
line
estimating
carrier arrangement
starting
methods
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE602007012454T
Other languages
English (en)
Inventor
Masson Jerome Le
Meryem Ouzzif
Issam Wahibi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Orange SA
Original Assignee
France Telecom SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by France Telecom SA filed Critical France Telecom SA
Publication of DE602007012454D1 publication Critical patent/DE602007012454D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE602007012454T 2006-07-21 2007-07-18 Verfahren und Vorrichtungen um die Übersprechungskoeffizienten bei Inbetriebnahme einer Leitung zu schätzen Active DE602007012454D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0653079 2006-07-21
PCT/FR2007/051680 WO2008009853A1 (fr) 2006-07-21 2007-07-18 Procede d'estimation de canal dans un systeme coordonne lors de la mise en service d'une ligne

Publications (1)

Publication Number Publication Date
DE602007012454D1 true DE602007012454D1 (de) 2011-03-24

Family

ID=37756947

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007012454T Active DE602007012454D1 (de) 2006-07-21 2007-07-18 Verfahren und Vorrichtungen um die Übersprechungskoeffizienten bei Inbetriebnahme einer Leitung zu schätzen

Country Status (4)

Country Link
EP (1) EP2074705B1 (de)
AT (1) ATE498247T1 (de)
DE (1) DE602007012454D1 (de)
WO (1) WO2008009853A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101521637B (zh) * 2008-02-28 2012-07-18 华为技术有限公司 一种信道估计的方法、设备和系统
CN102724148B (zh) * 2008-02-28 2015-03-25 华为技术有限公司 一种信道估计的方法、设备和系统
EP2282409A4 (de) 2008-06-20 2012-01-11 Huawei Tech Co Ltd Methode, vorrichtung und system zur kanalschätzung
CN108028815B (zh) * 2016-01-04 2020-09-08 华为技术有限公司 串扰信道估计的方法、矢量化控制实体vce和接入节点an

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6826280B1 (en) * 1999-12-14 2004-11-30 Adc Telecommunications, Inc. Systems and methods for managing digital subscriber line (DSL) telecommunications connections
EP1109329B1 (de) * 1999-12-14 2003-04-02 STMicroelectronics S.A. DSL-Übertragungsystem mit Fernnebensprechkompensation
AU2002345135A1 (en) * 2002-07-03 2004-01-23 Vdsl Systems Oy Power control of digital subscriber line

Also Published As

Publication number Publication date
EP2074705B1 (de) 2011-02-09
EP2074705A1 (de) 2009-07-01
WO2008009853A1 (fr) 2008-01-24
ATE498247T1 (de) 2011-02-15

Similar Documents

Publication Publication Date Title
AU2018253552A1 (en) Transmission method, transmission device, reception method, and reception device
WO2010143926A3 (ko) Dft spread ofdm 시스템을 위한 레퍼런스 심볼 구조
WO2010095827A3 (ko) 시퀀스 생성 방법 및 이를 위한 장치
WO2007095560A3 (en) Pilot signal transmission method and apparatus
WO2007127902A3 (en) Methods and apparatus to allocate reference signals in wireless communication systems
WO2007084988A3 (en) Method and apparatus for pilot multiplexing in a wireless communication system
WO2007067136A3 (en) Method and system of channel estimation
WO2009131396A3 (en) Method of communicating according to time division duplex
RU2009120372A (ru) Улучшенное выделение пилотного сигнала в системах с множеством несущих с вырезанием частоты
TW200742318A (en) Method of transmitting pilot for multiple carrier system
GB2459807A (en) Method of transmitting control signals in wireless communication system
WO2008103658A3 (en) Transmission of prioritized information in the proximity of referenced signals
WO2010102035A3 (en) Method and system for reducing feedback information in multicarrier-based communication systems based on frequency grouping
RU2009133484A (ru) Новая структура кодовой комбинации для передачи фреймов и данных в системах с множеством несущих
ATE407502T1 (de) Verfahren zu unterdrückung spektraler nebenzipfel in auf ofdm beruhenden übertragungssystemen
WO2008129743A1 (ja) 光通信システム、光通信装置、及び光通信方法
ATE400954T1 (de) Kanalschätzung mit verminderter komplexität in ofdm-systemen
DE602007012454D1 (de) Verfahren und Vorrichtungen um die Übersprechungskoeffizienten bei Inbetriebnahme einer Leitung zu schätzen
TW200943790A (en) Transmitters, receivers and apparatus and methods for pilot design
GB0619266D0 (en) Communication on a plurality of carriers
TW200746734A (en) Method and apparatus for pilot multiplexing in a wireless communication system
ATE554625T1 (de) Verfahren für drahtlose datenübertragung
WO2009084885A3 (en) Method and apparatus for generating preamble of data packet
WO2010106330A3 (en) Bit loading method and apparatus for multicode parallel channel communication
ATE516630T1 (de) Verfahren und system zur drahtlosen kommunikation