SE514016C2 - Ett telekommunikationssystem innefattande åtminstone två VDSL-system jämte ett modem och en metod i ett sådant telekommunikationssystem - Google Patents

Ett telekommunikationssystem innefattande åtminstone två VDSL-system jämte ett modem och en metod i ett sådant telekommunikationssystem

Info

Publication number
SE514016C2
SE514016C2 SE9801150A SE9801150A SE514016C2 SE 514016 C2 SE514016 C2 SE 514016C2 SE 9801150 A SE9801150 A SE 9801150A SE 9801150 A SE9801150 A SE 9801150A SE 514016 C2 SE514016 C2 SE 514016C2
Authority
SE
Sweden
Prior art keywords
samples
modem
dmt
pulse
telecommunication system
Prior art date
Application number
SE9801150A
Other languages
English (en)
Swedish (sv)
Other versions
SE9801150D0 (sv
SE9801150L (sv
Inventor
Mikael Isaksson
Daniel Bengtsson
Frank Sjoeberg
Per Oedling
Rickard Nilsson
Gunnar Bahlenberg
Magnus Johansson
Lennart Olsson
Sven Goeran Oekvist
Original Assignee
Telia Ab
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
Priority claimed from SE9800539A external-priority patent/SE9800539D0/xx
Application filed by Telia Ab filed Critical Telia Ab
Priority to SE9801150A priority Critical patent/SE514016C2/sv
Publication of SE9801150D0 publication Critical patent/SE9801150D0/xx
Priority to PCT/SE1999/000210 priority patent/WO1999043123A1/en
Priority to EP99907994A priority patent/EP1062760B1/de
Priority to DE69922176T priority patent/DE69922176T2/de
Priority to US09/622,523 priority patent/US7113549B1/en
Publication of SE9801150L publication Critical patent/SE9801150L/xx
Publication of SE514016C2 publication Critical patent/SE514016C2/sv

Links

Classifications

    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/143—Two-way operation using the same type of signal, i.e. duplex for modulated signals
    • 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
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/26265—Arrangements for sidelobes suppression specially adapted to multicarrier systems, e.g. spectral precoding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Bidirectional Digital Transmission (AREA)
SE9801150A 1998-02-21 1998-04-01 Ett telekommunikationssystem innefattande åtminstone två VDSL-system jämte ett modem och en metod i ett sådant telekommunikationssystem SE514016C2 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9801150A SE514016C2 (sv) 1998-02-21 1998-04-01 Ett telekommunikationssystem innefattande åtminstone två VDSL-system jämte ett modem och en metod i ett sådant telekommunikationssystem
PCT/SE1999/000210 WO1999043123A1 (en) 1998-02-21 1999-02-17 Improvements in, or relating to, vdsl
EP99907994A EP1062760B1 (de) 1998-02-21 1999-02-17 Verbesserungen bei vdsl
DE69922176T DE69922176T2 (de) 1998-02-21 1999-02-17 Verbesserungen bei vdsl
US09/622,523 US7113549B1 (en) 1998-02-21 1999-02-17 In, or relating to, VDSL

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9800539A SE9800539D0 (sv) 1998-02-21 1998-02-21 Improvements in or relating to VDSL
SE9801150A SE514016C2 (sv) 1998-02-21 1998-04-01 Ett telekommunikationssystem innefattande åtminstone två VDSL-system jämte ett modem och en metod i ett sådant telekommunikationssystem

Publications (3)

Publication Number Publication Date
SE9801150D0 SE9801150D0 (sv) 1998-04-01
SE9801150L SE9801150L (sv) 1999-08-22
SE514016C2 true SE514016C2 (sv) 2000-12-11

Family

ID=26663218

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9801150A SE514016C2 (sv) 1998-02-21 1998-04-01 Ett telekommunikationssystem innefattande åtminstone två VDSL-system jämte ett modem och en metod i ett sådant telekommunikationssystem

Country Status (5)

Country Link
US (1) US7113549B1 (de)
EP (1) EP1062760B1 (de)
DE (1) DE69922176T2 (de)
SE (1) SE514016C2 (de)
WO (1) WO1999043123A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69909292T2 (de) * 1999-10-13 2004-04-22 Stmicroelectronics N.V. Synchronisierung von Symbolen in einem DMT-System mit Übersprechstörung
FR2825862A1 (fr) * 2001-06-06 2002-12-13 St Microelectronics Sa Procede de transmission de donnees en mc/cdma
KR100453766B1 (ko) * 2002-01-31 2004-10-20 주식회사 휴커넥스 디엠티 시스템 및 이 시스템에서의 타이밍 어드밴스 결정 방법
AU2003237502A1 (en) 2002-06-07 2003-12-22 Tokyo Electron Limited Method and system for providing an analog front end for multiline transmission in communication systems
KR20040017909A (ko) * 2002-08-22 2004-03-02 광주과학기술원 이중화 통신시스템에 적용되는 얽힌 주파수 분할 이중화방법
DE10239810A1 (de) * 2002-08-29 2004-03-11 Siemens Ag Verfahren und Sendeeinrichtung zum Übertragen von Daten in einem Mehrträgersystem
SE0301063D0 (sv) * 2003-04-10 2003-04-10 Upzide Labs Ab A data communication system
US7418030B2 (en) 2004-02-11 2008-08-26 Texas Instruments Incorporated Flexible initialization method for DSL communication systems
US7352820B2 (en) * 2004-03-16 2008-04-01 Texas Instruments Incorporated DMT system with variable subchannel spacing in TCM ISDN noise
US7477683B2 (en) * 2004-03-29 2009-01-13 Stmicroelectronics Ltd. Periodic DMT signals with cyclic extension
US20050232308A1 (en) * 2004-04-19 2005-10-20 Texas Instruments Incorporated Frame alignment and cyclic extension partitioning
CN101133580B (zh) * 2005-03-02 2010-12-22 三菱电机株式会社 接收装置
US20060203896A1 (en) * 2005-03-11 2006-09-14 Axel Clausen Semi-digital duplexing
IL177576A0 (en) * 2006-08-20 2007-07-04 Eci Telecom Ltd Method for rate adaptation on a communication network
US7558191B2 (en) * 2006-09-07 2009-07-07 Alcatel-Lucent Usa Inc. Method of OFDM communication using superposition coding
US10003480B2 (en) * 2014-05-29 2018-06-19 Qualcomm Incorporated Asynchronous multicarrier communications
WO2017153699A1 (fr) * 2016-03-11 2017-09-14 Orange Procédé et dispositif de transmission multi services avec modulation fc-ofdm et récepteur correspondant
EP3457617B1 (de) * 2017-09-18 2020-06-17 Nokia Technologies Oy Verfahren und vorrichtung zur koordinierung von fdx- und tdd-kommunikation in einem kommunikationssystem

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5357502A (en) * 1990-02-06 1994-10-18 France Telecom And Telediffusion De France Sa Device for the reception of digital data time frequency interlacing, notably for radio broadcasting at high bit rate towards mobile receivers with nyquist temporal window
GB9323337D0 (en) 1993-11-11 1994-01-05 Marconi Gec Ltd High-speed digital subscriber lines
US5519731A (en) 1994-04-14 1996-05-21 Amati Communications Corporation ADSL compatible discrete multi-tone apparatus for mitigation of T1 noise
DE19520353A1 (de) 1995-06-07 1996-12-12 Thomson Brandt Gmbh Verfahren und Schaltungsanordnung zur Verbesserung des Empfangsverhaltens bei der Übertragung von digitalen Signalen
US5790516A (en) 1995-07-14 1998-08-04 Telefonaktiebolaget Lm Ericsson Pulse shaping for data transmission in an orthogonal frequency division multiplexed system
EP0802649A1 (de) 1996-04-19 1997-10-22 ALCATEL BELL Naamloze Vennootschap Verfahren und Fensteranordnung zum Reduzieren von Verlusten, Fourier-Transformation und DMT-Modem wobei diese Anordnung verwendet wird
US6014412A (en) * 1996-04-19 2000-01-11 Amati Communications Corporation Digital radio frequency interference canceller
US6035000A (en) * 1996-04-19 2000-03-07 Amati Communications Corporation Mitigating radio frequency interference in multi-carrier transmission systems
JP2000022838A (ja) * 1998-06-30 2000-01-21 Fujitsu Ltd 加入者線伝送システムの遅延抑制方式

Also Published As

Publication number Publication date
SE9801150D0 (sv) 1998-04-01
DE69922176D1 (de) 2004-12-30
WO1999043123A1 (en) 1999-08-26
SE9801150L (sv) 1999-08-22
EP1062760A1 (de) 2000-12-27
DE69922176T2 (de) 2005-11-10
EP1062760B1 (de) 2004-11-24
US7113549B1 (en) 2006-09-26

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