ATE461559T1 - Systeme und verfahren zur charakterisierung von übertragunsleitern in einem dsl mehrträgersystem - Google Patents

Systeme und verfahren zur charakterisierung von übertragunsleitern in einem dsl mehrträgersystem

Info

Publication number
ATE461559T1
ATE461559T1 AT01964588T AT01964588T ATE461559T1 AT E461559 T1 ATE461559 T1 AT E461559T1 AT 01964588 T AT01964588 T AT 01964588T AT 01964588 T AT01964588 T AT 01964588T AT E461559 T1 ATE461559 T1 AT E461559T1
Authority
AT
Austria
Prior art keywords
data
modems
systems
methods
carrier system
Prior art date
Application number
AT01964588T
Other languages
English (en)
Inventor
Murat Belge
Michael Tzannes
Halil Padir
Original Assignee
Aware Inc
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 Aware Inc filed Critical Aware Inc
Application granted granted Critical
Publication of ATE461559T1 publication Critical patent/ATE461559T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/46Monitoring; Testing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/16Arrangements for providing special services to substations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/46Monitoring; Testing
    • H04B3/487Testing crosstalk effects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/24Testing correct operation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/24Testing correct operation
    • H04L1/245Testing correct operation by using the properties of transmission codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H04L5/0046Determination of how many bits are transmitted on different sub-channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/14Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1438Negotiation of transmission parameters prior to communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/2227Quality of service monitoring
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/26Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/305Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop testing of physical copper line parameters, e.g. capacitance or resistance
    • H04M3/306Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop testing of physical copper line parameters, e.g. capacitance or resistance for frequencies above the voice frequency, e.g. xDSL line qualification
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/2209Arrangements for supervision, monitoring or testing for lines also used for data transmission
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/50Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
AT01964588T 2000-08-10 2001-08-10 Systeme und verfahren zur charakterisierung von übertragunsleitern in einem dsl mehrträgersystem ATE461559T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22430800P 2000-08-10 2000-08-10
PCT/US2001/041653 WO2002013405A2 (en) 2000-08-10 2001-08-10 Systems and methods for characterizing transmission lines in a multi-carrier dsl environment

Publications (1)

Publication Number Publication Date
ATE461559T1 true ATE461559T1 (de) 2010-04-15

Family

ID=22840086

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01964588T ATE461559T1 (de) 2000-08-10 2001-08-10 Systeme und verfahren zur charakterisierung von übertragunsleitern in einem dsl mehrträgersystem

Country Status (12)

Country Link
US (6) US20020114383A1 (de)
EP (4) EP2267914A3 (de)
JP (1) JP4694093B2 (de)
KR (2) KR101211871B1 (de)
AT (1) ATE461559T1 (de)
AU (1) AU2001285426A1 (de)
CA (2) CA2789759C (de)
DE (1) DE60141584D1 (de)
DK (1) DK1307973T3 (de)
ES (1) ES2341703T3 (de)
PT (1) PT1307973E (de)
WO (1) WO2002013405A2 (de)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1245085B1 (de) 2000-01-07 2006-07-05 Aware, Inc. Verfahren und vorrichtung zur bestimmung der leitungslänge und der brückenabgrifflange von in einer übertragunsleitung
EP2267914A3 (de) 2000-01-07 2012-09-26 Aware, Inc. Verfahren und Vorrichtung zur Bestimmung der Leitungslänge und der Brückenabgrifflänge in einer Übertragungsleitung
US6934655B2 (en) * 2001-03-16 2005-08-23 Mindspeed Technologies, Inc. Method and apparatus for transmission line analysis
US6947857B2 (en) * 2001-03-16 2005-09-20 Mindspeed Technologies, Inc. Optical sequence time domain reflectometry during data transmission
US6885954B2 (en) * 2001-03-16 2005-04-26 Mindspeed Technologies, Inc. Sequence time domain reflectometry using complementary golay codes
US6829330B2 (en) 2001-04-26 2004-12-07 Aware, Inc. Systems and methods for loop characterization from double-ended measurements
US7260067B2 (en) * 2001-05-22 2007-08-21 Agere Systems Inc. Spectrum and bin reassignment protocol for ADSL
US6653844B2 (en) * 2001-07-27 2003-11-25 Acterna, Llc System and method for providing a time varying gain TDR to display abnormalities of a communication cable or the like
US20030068024A1 (en) * 2001-10-05 2003-04-10 Jones William W. Communication system activation
WO2003040736A1 (en) * 2001-11-07 2003-05-15 Aware, Inc. Modeling and calibrating a three-port time-domain reflectometry system
WO2003081560A1 (en) * 2002-03-21 2003-10-02 United Parcel Service Of America, Inc. Telematic programming logic control unit and methods of use
DE60329480D1 (de) * 2002-04-17 2009-11-12 Infineon Technologies Ag Verfahren zum abrufen von informationen; die mit einem signal über einen signalkanal gesendet werden, und entsprechende signalverarbeitungsvorrichtung
DE10226348A1 (de) * 2002-06-13 2004-01-15 Infineon Technologies Ag Verfahren und Schaltungsanordnung zur Erkennung von Pupinspulen
US7480326B2 (en) * 2002-07-17 2009-01-20 Broadcom Corporation Channel diagnostic systems and methods
US7239680B2 (en) * 2002-07-17 2007-07-03 Broadcom Corporation Methods for performing channel diagnostics
US7471771B2 (en) * 2003-05-12 2008-12-30 Aware, Inc. Telecommunications diagnostic information management
US20050026572A1 (en) * 2003-07-28 2005-02-03 Texas Instruments Incorporated Noise determiner, a DSL modem including a noise determiner and a method of determining noise in a communications system
JP4348138B2 (ja) * 2003-08-01 2009-10-21 パナソニック株式会社 Adslモデム装置
KR20060069463A (ko) * 2003-08-21 2006-06-21 어웨어, 인크. 비선형 장치 검출
DE10342557A1 (de) 2003-09-15 2005-04-14 Siemens Ag Verfahren und Kommunikationsanordnung zur Überprüfung von Teilnehmeranschlußleitungen
US7386039B2 (en) 2003-09-26 2008-06-10 Tollgrade Communications, Inc. Method and apparatus for identifying faults in a broadband network
US7809116B2 (en) 2003-12-07 2010-10-05 Adaptive Spectrum And Signal Alignment, Inc. DSL system estimation including known DSL line scanning and bad splice detection capability
US7302379B2 (en) * 2003-12-07 2007-11-27 Adaptive Spectrum And Signal Alignment, Inc. DSL system estimation and parameter recommendation
WO2007008835A2 (en) 2005-07-10 2007-01-18 Adaptive Spectrum And Signal Alignment, Inc. Dsl system estimation
US7260361B2 (en) 2003-12-29 2007-08-21 Intel Corporation Locating interfering devices in wireless networks using channel adaptation metrics
ATE509432T1 (de) * 2004-02-11 2011-05-15 Aware Inc Kommunikationskanal-kapazitätsschätzung
EP1569402A1 (de) * 2004-02-26 2005-08-31 Alcatel Digitales Teilnehmerleitungs-(DSL)-modem mit adaptiver Bitverteilung, welcher ein Modell der Qualität des Komunikationskanals verwendet
US20050195892A1 (en) * 2004-03-05 2005-09-08 Texas Instruments Incorporated Training and updating for multiple input-output wireline communications
US7388906B2 (en) * 2004-05-03 2008-06-17 Sbc Knowledge Ventures, L.P. Method for detecting bridged taps on telephony cable
EP1805927A1 (de) * 2004-10-11 2007-07-11 2Wire, Inc. Verminderung von periodischem impulsrauschen in einem dsl-system
US20060120442A1 (en) * 2004-12-08 2006-06-08 Melsa Peter J System and method to determine loop characteristics
US20060159026A1 (en) * 2005-01-14 2006-07-20 Sbc Knowledge Ventures L.P. Method and apparatus for managing a quality of service for a communication link
US8625547B1 (en) * 2005-03-11 2014-01-07 At&T Intellectual Property Ii, L.P. Two-tier wireless broadband access network
US9374257B2 (en) 2005-03-18 2016-06-21 Broadcom Corporation Methods and apparatuses of measuring impulse noise parameters in multi-carrier communication systems
US7623630B2 (en) * 2005-04-08 2009-11-24 Ikanos Communications, Inc. Double-ended line probing (DELP) for DSL systems
CN1870611A (zh) * 2005-05-26 2006-11-29 华为技术有限公司 估算信道性能参数的方法及系统
US8112247B2 (en) * 2006-03-24 2012-02-07 International Business Machines Corporation Resource adaptive spectrum estimation of streaming data
CN101056342B (zh) * 2006-04-13 2011-04-20 华为技术有限公司 一种在数字用户线技术中进行通信的方法和装置
US8644169B2 (en) * 2006-05-01 2014-02-04 Adaptive Spectrum And Signal Alignment, Inc. Methods and apparatus to perform line testing at customer premises
US20070274513A1 (en) * 2006-05-04 2007-11-29 Sbc Knowledge Ventures, Lp Method and system for estimating data rate of a local loop
WO2008042882A2 (en) * 2006-10-02 2008-04-10 Conexant Systems, Inc. Systems and methods for single-ended loop testing
AU2008222837B2 (en) * 2007-03-06 2013-02-14 Qualcomm Incorporated System and method for spectrum management
US8515017B2 (en) * 2007-03-07 2013-08-20 Ikanos Communications, Inc. Systems and methods for loop termination detection based on per-port calibration
TW200934154A (en) * 2007-12-28 2009-08-01 Panasonic Corp Communication device and communication system
US8750341B2 (en) 2008-01-04 2014-06-10 Mindspeed Technologies, Inc. Method and apparatus for reducing optical signal speckle
EP2250801B1 (de) 2008-01-29 2017-03-15 Broadcom Corporation Verfahren und anordnung zum erkennen nicht-linearer geräte
US8295444B2 (en) * 2008-06-13 2012-10-23 Ikanos Communications, Inc. Systems and methods for performing loop analysis based on un-calibrated single-ended line testing
US8300771B2 (en) * 2008-10-02 2012-10-30 Ikanos Communications, Inc. Systems and methods for characterizing loop termination via single-ended line testing
US8605837B2 (en) 2008-10-10 2013-12-10 Broadcom Corporation Adaptive frequency-domain reference noise canceller for multicarrier communications systems
US20100123618A1 (en) * 2008-11-19 2010-05-20 Harris Corporation Closed loop phase control between distant points
US20100124263A1 (en) * 2008-11-19 2010-05-20 Harris Corporation Systems for determining a reference signal at any location along a transmission media
US8170088B2 (en) * 2008-11-19 2012-05-01 Harris Corporation Methods for determining a reference signal at any location along a transmission media
US8249176B2 (en) * 2008-11-20 2012-08-21 At&T Intellectual Property I, Lp Method for determination of bridged taps on a transmission line
EP2389668B1 (de) * 2009-01-23 2016-03-30 Tyco Safety Products Canada Ltd. Erkennung des zustandes einer alarmüberwachungstelekommunikationsleitung und automatische kalibrierung
JP5220928B2 (ja) 2009-02-11 2013-06-26 テレフオンアクチーボラゲット エル エム エリクソン(パブル) 伝送回線分析方法およびデバイス
ES2543093T3 (es) * 2009-03-09 2015-08-14 Eskom Holdings Soc Limited Procedimiento y sistema de monitorización de la interferencia electromagnética en el dominio del tiempo
EP2438686B1 (de) * 2009-06-04 2016-09-14 Telefonaktiebolaget LM Ericsson (publ) Passive einseitige Leitungsprüfung (SELT)
US8127151B2 (en) 2009-10-13 2012-02-28 Lockheed Martin Corporation Hardware-based key generation and recovery
US20110106588A1 (en) * 2009-10-30 2011-05-05 At&T Intellectual Property I, L.P. System and Method to Facilitate Installation of a Digital Subscriber Line
US9130655B2 (en) 2009-11-30 2015-09-08 Broadcom Corporation Methods and systems for detecting metallic faults affecting communications links
US8792620B2 (en) 2010-05-10 2014-07-29 Adaptive Spectrum And Signal Alignment, Inc. Non-invasive diagnostic transmission line testing
JP5815690B2 (ja) 2010-06-15 2015-11-17 スペクトラム ブリッジ, インコーポレイテッド ネットワークアクセスを電子デバイスに提供するシステム及び方法
US8369485B2 (en) * 2010-12-07 2013-02-05 At&T Intellectual Property I, L.P. Methods, apparatus, and articles of manufacture to trigger preemptive maintenance in vectored digital subscriber line (DSL) systems
US8532686B2 (en) 2010-12-24 2013-09-10 Spectrum Bridge, Inc. System and method for managing spectrum resources
US8644868B2 (en) 2011-03-07 2014-02-04 Spectrum Bridge, Inc. System and method for managing spectrum allocation
US8577300B2 (en) 2011-04-08 2013-11-05 Spectrum Bridge, Inc. Support for wireless radio device in multiple wireless regulatory domains
US8831625B2 (en) 2011-08-03 2014-09-09 Spectrum Bridge, Inc. Systems and methods for processing spectrum coexistence information to optimize spectrum allocation
US8948801B2 (en) 2011-08-03 2015-02-03 Spectrum Bridge, Inc. Systems and methods for provisioning and allocating a commoditized spectrum object
US9137740B2 (en) 2012-09-10 2015-09-15 Spectrum Bridge, Inc. System and method for providing network access to electronic devices using bandwidth provisioning
EP2712160B1 (de) * 2012-09-24 2014-06-18 Alcatel Lucent Verfahren und Vorrichtung zum Testen von Teilnehmereinrichtung
US8903050B2 (en) 2012-12-06 2014-12-02 At&T Intellectual Property I, L.P. Network analysis based on ambient electromagnetic signals
TWI482465B (zh) * 2012-12-21 2015-04-21 Realtek Semiconductor Corp 依據濾波特性進行補償之訊號傳送裝置及其方法與平衡補償之訊號接收裝置及其方法
CN103905070B (zh) * 2012-12-28 2016-05-25 瑞昱半导体股份有限公司 信号传送装置及方法、平衡补偿的信号接收装置及方法
CN105191271B (zh) * 2013-05-05 2018-01-23 领特德国公司 用于从分配点进行数据传输的低功率模式
US9185204B2 (en) 2013-07-29 2015-11-10 Ikanos Communications, Inc. Method and apparatus for designing an improved transmit signal for use in a single ended line test (SELT)
EP2854299B1 (de) * 2013-09-25 2017-07-12 Alcatel Lucent Verfahren und Vorrichtung zur Analyse einer Kommunikationsleitung
KR102080622B1 (ko) * 2015-03-06 2020-02-25 한온시스템 주식회사 스크롤 압축기
EP3348107A4 (de) * 2015-09-07 2019-04-24 Telefonaktiebolaget LM Ericsson (publ) Verfahren und netzwerkknoten für auf fft basierende leistungsdetektion für lbt in lte laa
US10911052B2 (en) 2018-05-23 2021-02-02 Macom Technology Solutions Holdings, Inc. Multi-level signal clock and data recovery
US11005573B2 (en) 2018-11-20 2021-05-11 Macom Technology Solutions Holdings, Inc. Optic signal receiver with dynamic control
EP3739764A1 (de) 2019-05-17 2020-11-18 Nokia Solutions and Networks Oy Verfahren und vorrichtung zur bestimmung einer brückenabgriffslänge
US11658630B2 (en) 2020-12-04 2023-05-23 Macom Technology Solutions Holdings, Inc. Single servo loop controlling an automatic gain control and current sourcing mechanism

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679227A (en) * 1985-05-20 1987-07-07 Telebit Corporation Ensemble modem structure for imperfect transmission media
US5128619A (en) * 1989-04-03 1992-07-07 Bjork Roger A System and method of determining cable characteristics
US5479447A (en) * 1993-05-03 1995-12-26 The Board Of Trustees Of The Leland Stanford, Junior University Method and apparatus for adaptive, variable bandwidth, high-speed data transmission of a multicarrier signal over digital subscriber lines
AT406533B (de) 1995-06-26 2000-06-26 Ericsson Austria Ag Verfahren zur bidirektionalen datenübertragung über eine zweidrahtleitung
KR100331437B1 (ko) 1995-06-30 2002-08-08 삼성전자 주식회사 디.엠.티.시스템에서적응형비트교환방법및장치
US5966387A (en) * 1995-09-25 1999-10-12 Bell Atlantic Network Services, Inc. Apparatus and method for correcting jitter in data packets
DE19647833B4 (de) * 1996-11-19 2005-07-07 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren zur gleichzeitigen Funkübertragung digitaler Daten zwischen mehreren Teilnehmerstationen und einer Basisstation
US6014425A (en) * 1997-02-26 2000-01-11 Paradyne Corporation Apparatus and method for qualifying telephones and other attached equipment for optimum DSL operation
US5864602A (en) * 1997-04-28 1999-01-26 Nynex Science & Technologies, Inc. Qualifying telephone line for digital transmission service
US6347217B1 (en) * 1997-05-22 2002-02-12 Telefonaktiebolaget Lm Ericsson (Publ) Link quality reporting using frame erasure rates
US6252900B1 (en) * 1997-06-30 2001-06-26 Integrated Telecom Express, Inc. Forward compatible and expandable high speed communications system and method of operation
KR100640320B1 (ko) * 1997-10-10 2006-10-31 어웨어, 인크. 스플리터없는 멀티캐리어 모뎀
EP0966808A2 (de) 1997-11-14 1999-12-29 Tektronix, Inc. Verfahren zum betreiben eines digitalen datenverteilungsnetzwerks
SE511521C3 (sv) * 1997-11-18 1999-11-22 Telia Ab Foerbaettringar av eller med avseende paa abonnentledningstransmissionssystem
US6058162A (en) * 1997-12-05 2000-05-02 Harris Corporation Testing of digital subscriber loops using multi-tone power ratio (MTPR) waveform
US6075821A (en) * 1997-12-16 2000-06-13 Integrated Telecom Express Method of configuring and dynamically adapting data and energy parameters in a multi-channel communications system
JP2000013343A (ja) 1998-04-08 2000-01-14 Fujitsu Ltd 加入者線用伝送方法
US6091713A (en) * 1998-04-13 2000-07-18 Telcordia Technologies, Inc. Method and system for estimating the ability of a subscriber loop to support broadband services
US6292539B1 (en) * 1998-05-29 2001-09-18 Verizon Laboratories Inc. Method and apparatus for digital subscriber loop qualification
EP0987852A3 (de) 1998-09-18 2003-10-15 Nortel Networks Limited System zur Übertragung über Kabel, und Verfahren zur Frequenzzuteilung dafür
GB9820427D0 (en) 1998-09-18 1998-11-11 Northern Telecom Ltd Wireline communication system and method of frequency allocation therin
EP1699143B1 (de) * 1999-03-31 2008-01-23 Alcatel Lucent Verfahren und Anordnung zur Schätzung der Eigenschaften eines Übertragungskanal
US6895081B1 (en) 1999-04-20 2005-05-17 Teradyne, Inc. Predicting performance of telephone lines for data services
US6633545B1 (en) * 1999-07-30 2003-10-14 Cisco Technology, Inc. System and method for determining the data rate capacity of digital subscriber lines
EP2293459A3 (de) 2000-01-07 2014-04-16 TQ Delta, LLC Systeme und Verfahren zur Charakterisierung von Übertragunsleitern in einem DSL Mehrträgersystem
EP2267914A3 (de) * 2000-01-07 2012-09-26 Aware, Inc. Verfahren und Vorrichtung zur Bestimmung der Leitungslänge und der Brückenabgrifflänge in einer Übertragungsleitung
EP1245085B1 (de) * 2000-01-07 2006-07-05 Aware, Inc. Verfahren und vorrichtung zur bestimmung der leitungslänge und der brückenabgrifflange von in einer übertragunsleitung
US6253063B1 (en) * 2000-01-25 2001-06-26 Motorola, Inc. Method and apparatus for selecting a communication data rate between mobile and base stations
US6738418B1 (en) * 2000-04-03 2004-05-18 Virata Corporation Method and apparatus for adaptive data allocation in a multi-carrier communication system
CA2689952A1 (en) * 2000-04-18 2001-10-25 Aware, Inc. Data allocation with variable snr margins
US6985444B1 (en) * 2000-06-02 2006-01-10 Teradyne, Inc. Binning of results from loop qualification tests
US6947441B1 (en) * 2000-07-27 2005-09-20 Cisco Technology, Inc. Method and system for verifying spectral compatibility of digital subscriber line connections

Also Published As

Publication number Publication date
EP2190127A3 (de) 2014-09-03
PT1307973E (pt) 2010-05-05
CA2415915C (en) 2012-11-27
CA2789759C (en) 2016-05-17
US20140036981A1 (en) 2014-02-06
EP2267914A3 (de) 2012-09-26
DE60141584D1 (de) 2010-04-29
WO2002013405A2 (en) 2002-02-14
US20060182169A1 (en) 2006-08-17
US8559489B2 (en) 2013-10-15
EP2270997A2 (de) 2011-01-05
US20120263216A1 (en) 2012-10-18
US8743937B2 (en) 2014-06-03
US20140254771A1 (en) 2014-09-11
EP2190127A2 (de) 2010-05-26
AU2001285426A1 (en) 2002-02-18
EP2267914A2 (de) 2010-12-29
US7773666B2 (en) 2010-08-10
EP1307973B1 (de) 2010-03-17
US20020114383A1 (en) 2002-08-22
EP1307973A2 (de) 2003-05-07
EP2270997A3 (de) 2014-06-25
KR20060135967A (ko) 2006-12-29
DK1307973T3 (da) 2010-05-31
CA2415915A1 (en) 2002-02-14
KR20030022889A (ko) 2003-03-17
JP4694093B2 (ja) 2011-06-01
CA2789759A1 (en) 2002-02-14
US8208519B2 (en) 2012-06-26
WO2002013405A3 (en) 2003-01-30
ES2341703T3 (es) 2010-06-25
EP2190127B1 (de) 2018-12-26
JP2004506376A (ja) 2004-02-26
US8903049B2 (en) 2014-12-02
KR101021420B1 (ko) 2011-03-14
KR101211871B1 (ko) 2012-12-13
US20100195708A1 (en) 2010-08-05

Similar Documents

Publication Publication Date Title
ATE461559T1 (de) Systeme und verfahren zur charakterisierung von übertragunsleitern in einem dsl mehrträgersystem
ATE519280T1 (de) Verfahren und vorrichtung zur bereitstellung von aufwärtssignal-zu-rausch-verhältnis (snr) in einem drahtlosen kommunikationssystem
ATE212771T1 (de) Verfahren und system zur ofdm-mehrträger- übertragung von digitalen rundfunksignalen
US9356708B2 (en) Communications system using adaptive frequency notching
DE60020256D1 (de) Vorrichtung und verfahren zur korrelationzeitauswahl bei rake-empfängern
BRPI0408072A (pt) determinação adaptativa de taxa de dados para um link reverso em um sistema de comunicação
EP0715438A3 (de) Automatische Einstellung eines Entscheidungspegels in einem FSK-Empfänger
EP1274177A3 (de) Verfahren und Vorrichtung zur regenerativen Interferenzunterdrückung innerhalb eines Kommunicationssystems
MXPA04004329A (es) Metodo y aparato par mitigar la interferencia de canal adyacente en un sistema de comunicacion inalambrica.
EP1337062A3 (de) Verfahren und System zur Anpassung einer schnellen Datenverbindung and die Kanalqualität zur Reduktion von Übersprechen und zur Umgehung von Brückenabgriffen
TW200715776A (en) Communication system with demodulation of two-level differential amplitude-shift-keying signals
MY134326A (en) Method and apparatus for adjacent channel interference reduction in an orthogonal frequency division multiplexing (ofdm) receiver
GB2419793A (en) Downhole telemetry system using discrete multi-tone modulation with adaptive noise cancellation
WO2010104159A1 (ja) 受信通信信号における干渉を低減するための装置と方法
MXPA06013733A (es) Deteccion de evento de ciclo entero utilizando sistema y metodo de filtro de paso de ondita.
EP1416629A3 (de) Verfahren und System zur Rauschreduzierung in einem Mehrträgersignal
ATE283574T1 (de) Einrichtung und verfahren zur wesentlichen elimination eines amplitudenmodulierten nachbarkanal-interferenzsignals
ATE285637T1 (de) Systeme zur selektiven gemeinsamen demodulierung und verfahren für den empfang eines signals in der anwesenheit von rauschen und störsignalen
DE60238488D1 (de) Verfahren und gerät zur regelung des verstärkungspegels eines kommunikationskanals in einem cdma kommunikationssystem
US20200412588A1 (en) Bit slicer circuit for s-fsk receiver, integrated circuit, and method associated therewith
ATE376725T1 (de) Verfahren und funkübertragungseinheit zur leistungsdetektion eines vielfachträgersignals
TWI265709B (en) Communications apparatus, systems, and methods
WO2001047170A3 (en) Method and apparatus for characterization of disturbers in communication systems
AU2002316007A1 (en) Noise bqlqnced qam detection
Moore et al. Quasi-optimal demodulation of pulse-frequency modulated signals

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1307973

Country of ref document: EP