NO20030678L - Fremgangsmåte og anordning for å måle linjedempning - Google Patents
Fremgangsmåte og anordning for å måle linjedempningInfo
- Publication number
- NO20030678L NO20030678L NO20030678A NO20030678A NO20030678L NO 20030678 L NO20030678 L NO 20030678L NO 20030678 A NO20030678 A NO 20030678A NO 20030678 A NO20030678 A NO 20030678A NO 20030678 L NO20030678 L NO 20030678L
- Authority
- NO
- Norway
- Prior art keywords
- line
- signal
- amplitude
- attenuation
- frequency
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/04—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
- G01R27/06—Measuring reflection coefficients; Measuring standing-wave ratio
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
- H04B3/48—Testing attenuation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Bridges Or Land Bridges (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0010732A FR2812947B1 (fr) | 2000-08-11 | 2000-08-11 | Procede et dispositif de mesure de l'attenuation d'une ligne |
PCT/FR2001/002604 WO2002014882A1 (fr) | 2000-08-11 | 2001-08-10 | Procede et dispositif de mesure de l'attenuation d'une ligne |
Publications (2)
Publication Number | Publication Date |
---|---|
NO20030678D0 NO20030678D0 (no) | 2003-02-11 |
NO20030678L true NO20030678L (no) | 2003-04-02 |
Family
ID=8853594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO20030678A NO20030678L (no) | 2000-08-11 | 2003-02-11 | Fremgangsmåte og anordning for å måle linjedempning |
Country Status (11)
Country | Link |
---|---|
US (1) | US6781386B2 (no) |
EP (1) | EP1322970B1 (no) |
AT (1) | ATE322693T1 (no) |
AU (1) | AU2001287787A1 (no) |
CA (1) | CA2419079A1 (no) |
DE (1) | DE60118586T2 (no) |
FR (1) | FR2812947B1 (no) |
IL (1) | IL154361A0 (no) |
NO (1) | NO20030678L (no) |
WO (1) | WO2002014882A1 (no) |
ZA (1) | ZA200301454B (no) |
Families Citing this family (15)
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 |
GB0005227D0 (en) * | 2000-03-03 | 2000-04-26 | Teradyne Inc | Technique for estimatio of insertion loss |
GB2365253B (en) * | 2000-07-19 | 2004-06-16 | Teradyne Inc | Method of performing insertion loss estimation |
AU2002246853A1 (en) * | 2000-10-19 | 2002-07-30 | Teradyne, Inc. | Method and apparatus for bridged tap impact analysis |
US6914961B2 (en) * | 2002-09-30 | 2005-07-05 | Teradyne, Inc. | Speed binning by neural network |
EP1494037B1 (en) * | 2003-07-03 | 2007-08-15 | Alcatel Lucent | Method and device for single ended testing of a line |
US7386039B2 (en) * | 2003-09-26 | 2008-06-10 | Tollgrade Communications, Inc. | Method and apparatus for identifying faults in a broadband network |
GB0404911D0 (en) | 2004-03-04 | 2004-04-07 | Mitel Networks Corp | Method of selecting impedance setting for loop start trunk line |
EP1829347B1 (en) | 2004-12-01 | 2012-04-18 | Telefonaktiebolaget LM Ericsson (publ) | Method and system to determine one or more properties of a digital subscriber line using an adaptive finite impulse response filter |
CN100486273C (zh) * | 2005-09-08 | 2009-05-06 | 华为技术有限公司 | 一种数字用户线路外线衰减的测算方法 |
US8265232B2 (en) * | 2006-07-11 | 2012-09-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Estimation of transmission line insertion loss |
US9432064B2 (en) | 2014-02-11 | 2016-08-30 | Introbotics Corporation | System and method for automated loss testing |
DE102017215517B3 (de) | 2017-09-05 | 2018-10-11 | Leoni Kabel Gmbh | Verfahren zur Überwachung einer Leitung auf veränderte Umgebungsbedingungen sowie Messanordnung zur Überwachung einer Leitung auf veränderte Umgebungsbedingungen |
DE102018219959A1 (de) | 2018-11-21 | 2020-05-28 | Siemens Aktiengesellschaft | Verfahren und Messanordnung zur Fehlererkennung auf elektrischen Leitungen |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5128619A (en) * | 1989-04-03 | 1992-07-07 | Bjork Roger A | System and method of determining cable characteristics |
US5465287A (en) * | 1994-01-13 | 1995-11-07 | Teledata Communication Ltd. | Subscriber line impedance measurement device and method |
US5548222A (en) * | 1994-09-29 | 1996-08-20 | Forte Networks | Method and apparatus for measuring attenuation and crosstalk in data and communication channels |
US5633801A (en) * | 1995-10-11 | 1997-05-27 | Fluke Corporation | Pulse-based impedance measurement instrument |
DE19702600A1 (de) * | 1997-01-24 | 1998-07-30 | Sgs Thomson Microelectronics | Elektrische Analyse integrierter Schaltungen |
US5864602A (en) * | 1997-04-28 | 1999-01-26 | Nynex Science & Technologies, Inc. | Qualifying telephone line for digital transmission service |
US6292539B1 (en) * | 1998-05-29 | 2001-09-18 | Verizon Laboratories Inc. | Method and apparatus for digital subscriber loop qualification |
DE59800423D1 (de) * | 1998-07-09 | 2001-02-08 | Wandel & Goltermann Man Holdin | Verfahren zur Dämpfungsmessung in digitalen Übertragungsleitungen |
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 |
US6687336B1 (en) * | 1999-09-30 | 2004-02-03 | Teradyne, Inc. | Line qualification with neural networks |
CA2394491C (en) * | 2000-01-07 | 2011-03-29 | Aware, Inc. | Diagnostic methods and systems for multicarrier modems |
-
2000
- 2000-08-11 FR FR0010732A patent/FR2812947B1/fr not_active Expired - Lifetime
-
2001
- 2001-08-10 CA CA002419079A patent/CA2419079A1/fr not_active Abandoned
- 2001-08-10 IL IL15436101A patent/IL154361A0/xx unknown
- 2001-08-10 AU AU2001287787A patent/AU2001287787A1/en not_active Abandoned
- 2001-08-10 EP EP01967401A patent/EP1322970B1/fr not_active Expired - Lifetime
- 2001-08-10 DE DE60118586T patent/DE60118586T2/de not_active Expired - Lifetime
- 2001-08-10 WO PCT/FR2001/002604 patent/WO2002014882A1/fr active IP Right Grant
- 2001-08-10 AT AT01967401T patent/ATE322693T1/de not_active IP Right Cessation
- 2001-08-10 US US10/344,145 patent/US6781386B2/en not_active Expired - Lifetime
-
2003
- 2003-02-11 NO NO20030678A patent/NO20030678L/no not_active Application Discontinuation
- 2003-02-24 ZA ZA200301454A patent/ZA200301454B/en unknown
Also Published As
Publication number | Publication date |
---|---|
US6781386B2 (en) | 2004-08-24 |
FR2812947A1 (fr) | 2002-02-15 |
DE60118586D1 (de) | 2006-05-18 |
ZA200301454B (en) | 2003-09-16 |
FR2812947B1 (fr) | 2002-11-08 |
WO2002014882A1 (fr) | 2002-02-21 |
NO20030678D0 (no) | 2003-02-11 |
IL154361A0 (en) | 2003-09-17 |
CA2419079A1 (fr) | 2002-02-21 |
AU2001287787A1 (en) | 2002-02-25 |
DE60118586T2 (de) | 2006-11-30 |
EP1322970A1 (fr) | 2003-07-02 |
ATE322693T1 (de) | 2006-04-15 |
EP1322970B1 (fr) | 2006-04-05 |
US20030173399A1 (en) | 2003-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC2A | Withdrawal, rejection or dismissal of laid open patent application |