SG100622A1 - Method to transfer trellis code modulated digital data over a digital subscriber line, and related modulator and demodulator devices - Google Patents

Method to transfer trellis code modulated digital data over a digital subscriber line, and related modulator and demodulator devices

Info

Publication number
SG100622A1
SG100622A1 SG200101040A SG200101040A SG100622A1 SG 100622 A1 SG100622 A1 SG 100622A1 SG 200101040 A SG200101040 A SG 200101040A SG 200101040 A SG200101040 A SG 200101040A SG 100622 A1 SG100622 A1 SG 100622A1
Authority
SG
Singapore
Prior art keywords
transfer
subscriber line
data over
code modulated
trellis code
Prior art date
Application number
SG200101040A
Other languages
English (en)
Inventor
Jan Maria Schelstraete Sigurd
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of SG100622A1 publication Critical patent/SG100622A1/en

Links

Classifications

    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • H04L1/006—Trellis-coded modulation
    • 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
    • H04L27/2627—Modulators
    • 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
    • H04L27/2649—Demodulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5603—Access techniques
    • H04L2012/5609—Topology
    • H04L2012/561—Star, e.g. cross-connect, concentrator, subscriber group equipment, remote electronics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
SG200101040A 2000-02-24 2001-02-22 Method to transfer trellis code modulated digital data over a digital subscriber line, and related modulator and demodulator devices SG100622A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00400505A EP1128623A1 (de) 2000-02-24 2000-02-24 Verfahren zur Minimizierung der Sendeleistung von nicht-aktiven ATM Zellen in einem XDSL System mit trelliskodierter Modulation

Publications (1)

Publication Number Publication Date
SG100622A1 true SG100622A1 (en) 2003-12-26

Family

ID=8173570

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200101040A SG100622A1 (en) 2000-02-24 2001-02-22 Method to transfer trellis code modulated digital data over a digital subscriber line, and related modulator and demodulator devices

Country Status (5)

Country Link
US (1) US6819719B2 (de)
EP (1) EP1128623A1 (de)
JP (1) JP2001352356A (de)
IL (1) IL141174A0 (de)
SG (1) SG100622A1 (de)

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US7177350B1 (en) * 2001-04-06 2007-02-13 Centillium Communications, Inc. Receiver transparent quiescent mode operation in a DSL transmission system
EP1525685A4 (de) * 2002-07-01 2005-08-03 Nokia Corp Verfahren und vorrichtung zur erstellung von konstellationen für unvollständige kanalzustandsinformation an einem empfänger
FI115189B (fi) * 2002-12-13 2005-03-15 Nokia Corp Menetelmä pakettikytkentäisen yhteyden muodostamiseksi ja menetelmää hyödyntävä solukkoverkko ja solukkoverkon päätelaite
EP1432193A1 (de) * 2002-12-18 2004-06-23 Alcatel Integrierte Modem Schaltung mit softwareimplementation eines PLL Filter
ATE379909T1 (de) 2003-03-14 2007-12-15 Upzide Labs Ab Anordnungen und verfahren für ein digitales kommunikationssystem
US7889804B2 (en) * 2003-05-30 2011-02-15 Mohammad Jaber Borran Partially coherent constellations for multiple-antenna systems
US7499505B2 (en) * 2003-06-26 2009-03-03 Texas Instruments Incorporated Trellis decoding with finite constellation boundaries
US7756217B2 (en) * 2004-12-21 2010-07-13 Broadcom Corporation Method and system for a robust initialization symbol for digital duplexing
US8804885B2 (en) * 2005-12-19 2014-08-12 Agere Systems Llc Delay compensation in equalizer-based receiver
ES2601556T3 (es) * 2006-09-26 2017-02-15 Koninklijke Philips N.V. Reducción de PAPR usando una rotación de constelación generalizada
CN101094142B (zh) * 2007-06-22 2010-08-18 中兴通讯股份有限公司 一种vdsl2接入设备的业务处理方法及其装置
JP5035045B2 (ja) * 2008-03-14 2012-09-26 富士通株式会社 データ中継装置、通信装置およびデータ中継方法
US8014436B2 (en) * 2008-07-02 2011-09-06 Telefonaktiebolaget L M Ericsson (Publ) Multi-dimensional signal of reduced peak-to-RMS ratio
EP2452457A1 (de) * 2009-07-09 2012-05-16 Nokia Siemens Networks OY Verfahren und vorrichtung zur erzeugung eines aggregatsignals zur verminderung der übertragungsleistung
US11336303B2 (en) * 2010-06-04 2022-05-17 Micron Technology, Inc. Advanced bitwise operations and apparatus in a multi-level system with nonvolatile memory
US9209834B2 (en) 2012-06-12 2015-12-08 Broadcom Corporation Symbol mapping for binary coding
US9001913B2 (en) * 2013-09-05 2015-04-07 Futurewei Technologies, Inc. Power saving idle data transmission units
US10256942B2 (en) * 2015-01-26 2019-04-09 Sony Corporation Receiver for receiving data in a broadcast system using redundancy data

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5440556A (en) * 1992-11-02 1995-08-08 National Semiconductor Corporation Low power isochronous networking mode
EP0883269A1 (de) * 1997-06-02 1998-12-09 Alcatel System zur Mehrträger-Fernvermittlung mit Mittel zur Leistungsverringerung
EP0961515A1 (de) * 1998-05-29 1999-12-01 Alcatel Datenmodulationsverfahren und dazugehörige Modulation- und Demodulationseinrichtungen
WO2000003552A2 (en) * 1998-07-11 2000-01-20 Motorola Limited Communication system with reduced power variation and method therefor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5541964A (en) * 1993-08-30 1996-07-30 At&T Corp. Distortion compensation technique
US6088386A (en) * 1996-07-15 2000-07-11 Alcatel Transmitter with phase rotor, modulator/demodulator, communication system and method performed thereby
GB9807403D0 (en) * 1998-04-06 1998-06-03 Northern Telecom Ltd Apparatus and method for reducing cross-talk in broadband systems and method of improving data recovery
US6236685B1 (en) * 1998-06-05 2001-05-22 Sicom, Inc. Pragmatic trellis-coded digital communication with multi-stage branch metrics

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5440556A (en) * 1992-11-02 1995-08-08 National Semiconductor Corporation Low power isochronous networking mode
EP0883269A1 (de) * 1997-06-02 1998-12-09 Alcatel System zur Mehrträger-Fernvermittlung mit Mittel zur Leistungsverringerung
EP0961515A1 (de) * 1998-05-29 1999-12-01 Alcatel Datenmodulationsverfahren und dazugehörige Modulation- und Demodulationseinrichtungen
WO2000003552A2 (en) * 1998-07-11 2000-01-20 Motorola Limited Communication system with reduced power variation and method therefor

Also Published As

Publication number Publication date
IL141174A0 (en) 2002-02-10
EP1128623A1 (de) 2001-08-29
US6819719B2 (en) 2004-11-16
JP2001352356A (ja) 2001-12-21
US20010017900A1 (en) 2001-08-30

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