ATE330375T1 - Bestimmung der physikalischen struktur von teilnehmeranschlussleitungen - Google Patents

Bestimmung der physikalischen struktur von teilnehmeranschlussleitungen

Info

Publication number
ATE330375T1
ATE330375T1 AT00923432T AT00923432T ATE330375T1 AT E330375 T1 ATE330375 T1 AT E330375T1 AT 00923432 T AT00923432 T AT 00923432T AT 00923432 T AT00923432 T AT 00923432T AT E330375 T1 ATE330375 T1 AT E330375T1
Authority
AT
Austria
Prior art keywords
determination
physical structure
subscribe lines
subscribe
lines
Prior art date
Application number
AT00923432T
Other languages
English (en)
Inventor
Ilia L Rudinski
Kurt E Schmidt
Original Assignee
Teradyne 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 Teradyne Inc filed Critical Teradyne Inc
Application granted granted Critical
Publication of ATE330375T1 publication Critical patent/ATE330375T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/305—Automatic 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
    • H04M3/306—Automatic 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
    • 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
    • H04L25/022—Channel estimation of frequency response
    • 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)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Human Resources & Organizations (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Economics (AREA)
  • Strategic Management (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Marketing (AREA)
  • Theoretical Computer Science (AREA)
  • Educational Administration (AREA)
  • Development Economics (AREA)
  • Operations Research (AREA)
  • Tourism & Hospitality (AREA)
  • Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Game Theory and Decision Science (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
AT00923432T 1999-04-20 2000-04-17 Bestimmung der physikalischen struktur von teilnehmeranschlussleitungen ATE330375T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/294,563 US6895081B1 (en) 1999-04-20 1999-04-20 Predicting performance of telephone lines for data services

Publications (1)

Publication Number Publication Date
ATE330375T1 true ATE330375T1 (de) 2006-07-15

Family

ID=23133975

Family Applications (2)

Application Number Title Priority Date Filing Date
AT00923432T ATE330375T1 (de) 1999-04-20 2000-04-17 Bestimmung der physikalischen struktur von teilnehmeranschlussleitungen
AT00926232T ATE404015T1 (de) 1999-04-20 2000-04-20 Voraussage der leistungsfähigkeit von telefonleitungen für datendienste

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT00926232T ATE404015T1 (de) 1999-04-20 2000-04-20 Voraussage der leistungsfähigkeit von telefonleitungen für datendienste

Country Status (12)

Country Link
US (3) US6895081B1 (de)
EP (2) EP1171962B1 (de)
JP (2) JP2002542725A (de)
AR (2) AR025153A1 (de)
AT (2) ATE330375T1 (de)
AU (3) AU4355500A (de)
BR (2) BR0011149A (de)
CA (2) CA2371146A1 (de)
DE (2) DE60028748T2 (de)
ES (1) ES2265935T3 (de)
TW (2) TW457803B (de)
WO (3) WO2000064130A2 (de)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6895081B1 (en) * 1999-04-20 2005-05-17 Teradyne, Inc. Predicting performance of telephone lines for data services
GB2355361B (en) * 1999-06-23 2004-04-14 Teradyne Inc Qualifying telephone lines for data transmission
EP2267914A3 (de) 2000-01-07 2012-09-26 Aware, Inc. Verfahren und Vorrichtung zur Bestimmung der Leitungslänge und der Brückenabgrifflänge in einer Übertragungsleitung
CA2394491C (en) 2000-01-07 2011-03-29 Aware, Inc. Diagnostic methods and systems for multicarrier modems
WO2001052439A1 (en) * 2000-01-07 2001-07-19 Aware, Inc. Systems and methods for loop length and bridged tap length determination of a transmission line
AU2005211639B2 (en) * 2000-01-07 2006-10-26 Aware, Inc. Systems and methods for loop length and bridged tap length determination of a transmission line
GB0005227D0 (en) * 2000-03-03 2000-04-26 Teradyne Inc Technique for estimatio of insertion loss
GB0007836D0 (en) * 2000-03-31 2000-05-17 British Telecomm Telecommunications line parameter estimation
AU2001244338A1 (en) * 2000-03-31 2001-10-15 British Telecommunications Public Limited Company Fault location in a telecommunications network
DE10019552A1 (de) * 2000-04-20 2001-10-25 Deutsche Telekom Ag Verfahren und Vorrichtung zur Messung der Qualität eines zur Übertragung von digitalen oder analogen Signalen ausgelegten Leitungsnetzes
GB2365253B (en) * 2000-07-19 2004-06-16 Teradyne Inc Method of performing insertion loss estimation
US20020016831A1 (en) * 2000-08-07 2002-02-07 Vidius Inc. Apparatus and method for locating of an internet user
AU2002246853A1 (en) * 2000-10-19 2002-07-30 Teradyne, Inc. Method and apparatus for bridged tap impact analysis
WO2002089454A2 (en) 2001-04-26 2002-11-07 Aware, Inc. Systems and methods for loop characterization from double-ended measurements
JP2004532582A (ja) * 2001-04-30 2004-10-21 シーメンス　アクチエンゲゼルシヤフト 通信ネットワークにおける接続を制御する方法
AU2002305771A1 (en) * 2001-06-01 2002-12-16 Dsltester, Inc. Method and apparatus for determining distance qualification and electrical qualification of a telephone line for high speed communications
EP1444802B1 (de) * 2001-11-15 2007-02-28 Swisscom Fixnet AG Verfahren und system zum bestimmen von datentransfermargins für netzwerkverbindungen
EP1349355A1 (de) 2002-03-28 2003-10-01 BRITISH TELECOMMUNICATIONS public limited company Verfahren und Vorrichtung zur Fehlererkennung für eine Fernsprechleitung
JP2003338878A (ja) 2002-05-22 2003-11-28 Nec Corp 通信システム、そのシステムに含まれる多重化装置、回線伝送特性テスト方法ならびにプログラム
WO2003103187A1 (en) * 2002-06-04 2003-12-11 Celion Networks, Inc. Flexible, dense line card architecture
DE10226759B4 (de) * 2002-06-14 2011-01-27 Infineon Technologies Ag Verfahren zur Detektion von Impedanzen, Verfahren zur Qualifizierung von Telefonleitungen
US20030235242A1 (en) * 2002-06-20 2003-12-25 Adc Dsl Systems, Inc. Testing a digital loop carrier
US6826258B2 (en) * 2002-06-20 2004-11-30 Teradyne, Inc. System and method for pre-qualification of telephone lines for DSL service using an average loop loss
US6914961B2 (en) * 2002-09-30 2005-07-05 Teradyne, Inc. Speed binning by neural network
US7620154B2 (en) * 2002-12-23 2009-11-17 Cambron G Keith Equivalent working length determinative system for digital subscriber line circuits
US8108500B2 (en) * 2003-06-13 2012-01-31 Broadcom Corporation Probing-based auto moding
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
US7483864B2 (en) * 2003-11-17 2009-01-27 Nec Corporation Active learning method and system
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
US7535866B2 (en) * 2003-12-15 2009-05-19 Aktino, Inc. Deployment processes for new technology systems
JP2007531457A (ja) * 2004-03-30 2007-11-01 トムソン ライセンシング モデムの使用許可料を決定するための電話回線の検査
GB0407198D0 (en) * 2004-03-30 2004-05-05 British Telecomm Joint fault detection
US7653180B2 (en) * 2004-10-01 2010-01-26 Tollgrade Communications, Inc. Method for assessing DSL capability of telephone lines
US7400720B2 (en) * 2004-10-05 2008-07-15 Sbc Knowledge Ventures, L.P. System and method for optimizing digital subscriber line based services
US7235979B2 (en) * 2005-01-18 2007-06-26 Tollgrade Communications, Inc. Apparatus and method for measuring loop insertion loss single-endedly
US7623630B2 (en) * 2005-04-08 2009-11-24 Ikanos Communications, Inc. Double-ended line probing (DELP) for DSL systems
CN101238645A (zh) * 2005-07-10 2008-08-06 适应性频谱和信号校正股份有限公司 自适应容限和频带控制
US7395162B2 (en) * 2005-12-21 2008-07-01 Telefonaktiebolaget Lm Ericsson (Publ) Load coil detection and localization
US7729477B2 (en) * 2006-02-17 2010-06-01 At&T Intellectual Property I, L.P. System and method for detecting continuity of network lines
US7593833B2 (en) * 2006-03-03 2009-09-22 At&T Intellectual Property I, L.P. System and method for determining performance of network lines
US20080310617A1 (en) * 2007-06-14 2008-12-18 Infineon Technologies Ag Transmission Links
US8923139B2 (en) * 2007-07-17 2014-12-30 Tollgrade Communications, Inc. System and method for making far end measurements for DSL diagnostics
US7978756B2 (en) * 2008-04-07 2011-07-12 Ikanos Communications, Inc. Systems and methods for monitoring impulse noise
US8396688B2 (en) * 2008-09-07 2013-03-12 Ikanos Communications, Inc. Systems and methods for impulse noise characterization
US9300525B2 (en) * 2010-07-02 2016-03-29 At&T Intellectual Property I, L.P. Method and system to identify a source of signal impairment
EP2464089A1 (de) * 2010-12-07 2012-06-13 Alcatel Lucent Diagnosemaschine zur Bestimmung der umfassenden Leitungseigenschaften einer DSL-Telekommunikationsleitung und Verfahren damit
US20120250527A1 (en) * 2011-03-28 2012-10-04 International Business Machines Corporation Determining Connectivity Of A High Speed Link That Includes An AC-Coupling Capacitor
EP2826232A1 (de) * 2012-03-12 2015-01-21 Adaptive Spectrum and Signal Alignment, Inc. Gleichtaktbasierte diagnostik
WO2015026709A1 (en) * 2013-08-19 2015-02-26 Tollgrade Communications, Inc. Pre-installation frequency domain premises wiring tests
CN103428320B (zh) * 2013-08-23 2015-07-15 清华大学 基于模型拟合的智能手机功耗评估方法
WO2017167824A1 (en) * 2016-03-29 2017-10-05 British Telecommunications Public Limited Company Method and apparatus for operating a telecommunications access network
TWI637574B (zh) * 2017-06-27 2018-10-01 義守大學 Power distribution correlation detection system and user association detection device
GB2578269A (en) 2018-03-28 2020-05-06 British Telecomm Network
EP3776897A4 (de) * 2018-04-13 2022-03-02 Nokia Technologies Oy Kompression von abzweigpositionsinformationen für eine explizite kanalzustandsinformationsrückkopplung in neuem funk
EP3739764B1 (de) * 2019-05-17 2024-07-31 Nokia Solutions and Networks Oy Verfahren und vorrichtung zur bestimmung einer brückenabgriffslänge
WO2021043410A1 (en) * 2019-09-05 2021-03-11 Adtran GmbH Detecting a single wire interruption

Family Cites Families (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882287A (en) 1973-04-20 1975-05-06 Perkins Res & Mfg Co Method and apparatus for detecting faults and locating conductors in multi-conductor cables
US4087657A (en) * 1977-04-15 1978-05-02 Bell Telephone Laboratories, Incorporated Testing of inductively loaded transmission lines for correct loading
US4186283A (en) 1978-05-22 1980-01-29 Perkins Research & Manufacturing Co., Inc. Test set
DE3024346A1 (de) 1980-06-27 1982-01-28 Siemens AG, 1000 Berlin und 8000 München Verfahren zur messung der daempfungsverzerrung und/oder der gruppenlaufzeitverzerrung
US4529847A (en) 1983-12-12 1985-07-16 At&T Bell Laboratories Maintenance termination unit
US4620069A (en) 1984-11-23 1986-10-28 Itt Corporation Method and apparatus to determine whether a subscriber line is loaded or non-loaded
US4868506A (en) 1988-12-02 1989-09-19 International Business Machines Corporation Defect detection using intermodulation signals
US5128619A (en) * 1989-04-03 1992-07-07 Bjork Roger A System and method of determining cable characteristics
GB9002171D0 (en) 1990-01-31 1990-03-28 Raychem Pontoise Sa Maintenance telecommunications unit
US5083086A (en) 1990-07-12 1992-01-21 James G. Biddle Co. Differential arc reflectometry
US5121420A (en) 1990-09-17 1992-06-09 Rolm Systems Automatic line defect detector
JPH04285874A (ja) 1991-03-13 1992-10-09 Chubu Electric Power Co Inc ケーブルの事故点標定方法
US5157336A (en) 1991-03-18 1992-10-20 Tempo Research Noise measurement in a paired telecommunications line
US5302905A (en) 1991-03-18 1994-04-12 Tempo Research Corporation Apparatus and method for detecting and isolating noise-creating imbalances in a paired telecommunications line
US5270661A (en) 1991-10-25 1993-12-14 Pipeline Profiles, Ltd. Method of detecting a conductor anomaly by applying pulses along the conductor in opposite directions
DE69330712T2 (de) 1992-01-28 2002-02-07 Alan Ross Anlage zur Prüfung der Charakteristik einer Nachrichtenleitung von einer Messstelle
JP3069440B2 (ja) * 1992-06-30 2000-07-24 富士通株式会社 加入者線多重伝送システムの集中監視方式
US5404388A (en) 1993-03-03 1995-04-04 Northern Telecom Limited Digital measurement of amplitude and phase of a sinusoidal signal and detection of load coil based on said measurement
US5606592A (en) 1993-06-16 1997-02-25 Industrial Technology, Inc. Method and apparatus for analyzing resistive faults on telephones cables
US5436953A (en) 1993-07-02 1995-07-25 Northern Telecom Limited Digital longitudinal balance measurement
US5790523A (en) 1993-09-17 1998-08-04 Scientific-Atlanta, Inc. Testing facility for a broadband communications system
US5465287A (en) 1994-01-13 1995-11-07 Teledata Communication Ltd. Subscriber line impedance measurement device and method
US5528679A (en) 1994-01-27 1996-06-18 Primary Access Corporation Automatic detection of digital call paths in a telephone system
US5528661A (en) 1994-02-09 1996-06-18 Harris Corporation Diagnostic mechanism for monitoring operational status of remote monitoring and test unit which controllably test and conditions subscriber line circuits
US5559427A (en) 1994-04-04 1996-09-24 Fluke Corporation Instrument and method for testing local area network cables
US5461318A (en) 1994-06-08 1995-10-24 Borchert; Marshall B. Apparatus and method for improving a time domain reflectometer
US5699402A (en) 1994-09-26 1997-12-16 Teradyne, Inc. Method and apparatus for fault segmentation in a telephone network
US6107867A (en) 1994-09-30 2000-08-22 Lucent Technologies Inc. Load termination sensing circuit
US5636202A (en) 1995-07-25 1997-06-03 Lucent Technologies Inc. Test system for detecting ISDN NT1-U interfaces
US5715372A (en) 1995-01-10 1998-02-03 Lucent Technologies Inc. Method and apparatus for characterizing an input signal
FR2733108B1 (fr) 1995-04-13 1997-05-16 Thomson Multimedia Sa Dispositif de communication
US5680391A (en) * 1995-06-20 1997-10-21 Harris Corporation Arrangement for testing telephone subscriber line circuit via B-ISDN channel linking central office test system and metallic channel unit installed in digital loop carrier remote terminal
US6111861A (en) 1996-12-30 2000-08-29 Siemens Information And Communication Networks, Inc. Method and system for managing high speed data communication
US6014425A (en) 1997-02-26 2000-01-11 Paradyne Corporation Apparatus and method for qualifying telephones and other attached equipment for optimum DSL operation
GB2327553B (en) 1997-04-01 2002-08-21 Porta Systems Corp System and method for telecommunications system fault diagnostics
US5864602A (en) 1997-04-28 1999-01-26 Nynex Science & Technologies, Inc. Qualifying telephone line for digital transmission service
US5937033A (en) 1997-05-20 1999-08-10 Gte Laboratories Incorporated Telephone system diagnostic measurement system including a distant terminal drop test measurement circuit
US5956386A (en) 1997-06-20 1999-09-21 Advanced Micro Devices, Inc. Telephone subscriber line diagnostics system and method
US6215854B1 (en) 1997-06-30 2001-04-10 Harris Corporation Digital signal processor-based telephone test set analyzing and displayed multiple signal parameter data for terminal mode and line monitor mode operation
EP0995287B1 (de) 1997-07-07 2003-07-09 Legerity, Inc. Vorrichtung und verfahren zur bestimmung der eigenschaften einer digitalen teilnehmerleitung
US6002671A (en) 1997-09-03 1999-12-14 Fluke Corporation Test instrument for testing asymmetric digital subscriber lines
US6154447A (en) 1997-09-10 2000-11-28 At&T Corp. Methods and apparatus for detecting and locating cable failure in communication systems
US6118860A (en) 1997-09-12 2000-09-12 Nortel Networks Corporation Public communications services vending method and apparatus
US5881130A (en) 1997-09-15 1999-03-09 Teradyne, Inc. Fast and noise-insensitive load status detection
US6366644B1 (en) 1997-09-15 2002-04-02 Cisco Technology, Inc. Loop integrity test device and method for digital subscriber line (XDSL) communication
US6438212B1 (en) 1997-09-18 2002-08-20 Verizon Services Corp. Automated telephone line test apparatus with intelligent diagnostic function
US6445733B1 (en) 1997-10-03 2002-09-03 Conexant Systems, Inc. Method of and apparatus for performing line characterization in a non-idle mode in a subscriber line communication system
US6058162A (en) 1997-12-05 2000-05-02 Harris Corporation Testing of digital subscriber loops using multi-tone power ratio (MTPR) waveform
US6192109B1 (en) * 1997-12-24 2001-02-20 Globespan, Inc. Apparatus and method for improved DSL communication
US6115466A (en) 1998-03-12 2000-09-05 Westell Technologies, Inc. Subscriber line system having a dual-mode filter for voice communications over a telephone line
JP3510473B2 (ja) 1998-03-23 2004-03-29 横河電機株式会社 伝送特性測定装置
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
US6226356B1 (en) 1998-06-12 2001-05-01 Legerity Inc. Method and apparatus for power regulation of digital data transmission
JP2000049939A (ja) 1998-07-31 2000-02-18 Nec Corp 加入者回線試験装置および試験方法
US6285653B1 (en) 1998-09-11 2001-09-04 Fluke Corporation Method and apparatus to measure far end crosstalk for the determination of equal level far end crosstalk
US6385297B2 (en) 1998-11-03 2002-05-07 Teradyne, Inc. Method and apparatus for qualifying loops for data services
US6389109B1 (en) 1998-11-03 2002-05-14 Teradyne, Inc. Fault conditions affecting high speed data services
US6181775B1 (en) 1998-11-25 2001-01-30 Westell Technologies, Inc. Dual test mode network interface unit for remote testing of transmission line and customer equipment
US6084946A (en) 1998-11-30 2000-07-04 Bell Atlantic Network Services, Inc. Qualifying a telephone line for digital transmission service
US6891803B1 (en) 1998-12-18 2005-05-10 Sunrise Telecom, Inc. Telecommunications transmission test set
US6349130B1 (en) * 1998-12-22 2002-02-19 Lucent Technologies, Inc. Method to pre-qualify copper loops for ADSL service
US6507870B1 (en) 1998-12-31 2003-01-14 Qwest Communications International Inc. xDSL web ordering tool
US6292468B1 (en) 1998-12-31 2001-09-18 Qwest Communications International Inc. Method for qualifying a loop for DSL service
US6215855B1 (en) 1999-01-21 2001-04-10 Bell Atlantic Network Services, Inc. Loop certification and measurement for ADSL
US6091338A (en) 1999-02-08 2000-07-18 Tadiran Telecommunications Ltd. System and method for safety protection of XDSL circuitry
US6895081B1 (en) * 1999-04-20 2005-05-17 Teradyne, Inc. Predicting performance of telephone lines for data services
US6177801B1 (en) 1999-04-21 2001-01-23 Sunrise Telecom, Inc. Detection of bridge tap using frequency domain analysis
US6256377B1 (en) 1999-05-25 2001-07-03 Adtran, Inc. Loop loss measurement and reporting mechanism for digital data services telephone channel equipment
GB2355361B (en) 1999-06-23 2004-04-14 Teradyne Inc Qualifying telephone lines for data transmission
US6456694B1 (en) 1999-07-30 2002-09-24 Lucent Technologies Inc. Method for prequalifying subscriber lines for high speed data service
US6209108B1 (en) 1999-08-27 2001-03-27 Qwest Communications International Inc. Method for testing VDSL loops
CA2281208A1 (en) 1999-08-31 2001-02-28 Nortel Networks Corporation Single-ended subscriber loop qualification for xdsl service
US6263047B1 (en) * 1999-09-07 2001-07-17 Tempo Research Corporation Apparatus and method for characterizing the loading pattern of a telecommunications transmission line
US6487276B1 (en) * 1999-09-30 2002-11-26 Teradyne, Inc. Detecting faults in subscriber telephone lines
US6687336B1 (en) 1999-09-30 2004-02-03 Teradyne, Inc. Line qualification with neural networks
US6463126B1 (en) 1999-11-06 2002-10-08 Qwest Communications International Inc. Method for qualifying a loop for DSL service
US6466647B1 (en) 1999-11-17 2002-10-15 Bellsouth Intellectual Property Corporation System and method for estimating the capacity of a local loop to carry data
US6513025B1 (en) 1999-12-09 2003-01-28 Teradyne, Inc. Multistage machine learning process
GB0005227D0 (en) 2000-03-03 2000-04-26 Teradyne Inc Technique for estimatio of insertion loss
FR2812947B1 (fr) 2000-08-11 2002-11-08 Dassault Automatismes Procede et dispositif de mesure de l'attenuation d'une ligne
DE10100607A1 (de) 2001-01-09 2002-07-25 Siemens Ag Verfahren zur zweiseitigen Leitungsqualifizierung und Überwachung von xDSL-Strecken
US6826258B2 (en) * 2002-06-20 2004-11-30 Teradyne, Inc. System and method for pre-qualification of telephone lines for DSL service using an average loop loss

Also Published As

Publication number Publication date
TW457803B (en) 2001-10-01
EP1171962A2 (de) 2002-01-16
EP1171962B1 (de) 2006-06-14
JP2002542726A (ja) 2002-12-10
WO2000064132A2 (en) 2000-10-26
WO2000064130A3 (en) 2001-01-18
AU4355500A (en) 2000-11-02
WO2000064131A2 (en) 2000-10-26
DE60028748D1 (de) 2006-07-27
US20020090060A1 (en) 2002-07-11
WO2000064131A3 (en) 2003-07-03
TW468327B (en) 2001-12-11
CA2371230A1 (en) 2000-10-26
WO2000064130A2 (en) 2000-10-26
US6895081B1 (en) 2005-05-17
BR0011149A (pt) 2003-07-01
AR023556A1 (es) 2002-09-04
US6741676B2 (en) 2004-05-25
BR0011150A (pt) 2003-09-16
JP2002542725A (ja) 2002-12-10
EP1192788A2 (de) 2002-04-03
US20050135566A1 (en) 2005-06-23
DE60028748T2 (de) 2007-05-24
AU4472700A (en) 2000-11-02
CA2371146A1 (en) 2000-10-26
AR025153A1 (es) 2002-11-13
ES2265935T3 (es) 2007-03-01
DE60039761D1 (de) 2008-09-18
EP1192788B1 (de) 2008-08-06
AU4479500A (en) 2000-11-02
ATE404015T1 (de) 2008-08-15
US7263174B2 (en) 2007-08-28
CA2371230C (en) 2008-03-18
WO2000064132A3 (en) 2002-01-03

Similar Documents

Publication Publication Date Title
ATE330375T1 (de) Bestimmung der physikalischen struktur von teilnehmeranschlussleitungen
DE60017103D1 (de) Bestimmung der orientierung von elektrokardiogramm-signalen
DE60030035D1 (de) Mehrschichtige Struktur
DE69939575D1 (de) Entdeckung von Diensten in unmittelbarer Nähe
DK0816065T3 (da) Keramisk struktur
DE60026222D1 (de) Betonzusatzmittel
DE69700358D1 (de) Zusammenlegbare Struktur
DE60003148D1 (de) Bestimmung der Cachezeit
DE60011375D1 (de) Wabenartige Struktur
DK1261585T3 (da) Substituerede indol-Mannichbaser
FI4150U1 (fi) Elektrodirakenne
DE69822781D1 (de) Keramikverstärkte Struktur
BR0014243B1 (pt) estrutura acústica de construção.
DE60019960D1 (de) Herstellung von isobutencopolymere
ID23452A (id) Tempat bermain dengan alat bergoyang
ID24019A (id) Struktur dinding berlapis
DE60008353D1 (de) Hemihydrat von 16.alpha.-bromoepiandrosterone
DE59814477D1 (de) Geschäumte Struktur
ID27403A (id) Struktur lantai-injak skuter
ID22326A (id) Struktur montasi sarung garpu
DE60007111D1 (de) Herstellung von ausgewählten fluorolefinen
DE59909529D1 (de) Katalytisch wirksame struktur
DE69817301D1 (de) Zusammenfaltbare Struktur
DE60005654D1 (de) Herstellung von carvon
ID30381A (id) Penggunaan arilalkanoilpiridazina

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties