ATE332593T1 - Verfahren und vorrichtung zur bestimmung der leitungslänge und der brückenabgrifflange von in einer übertragunsleitung - Google Patents

Verfahren und vorrichtung zur bestimmung der leitungslänge und der brückenabgrifflange von in einer übertragunsleitung

Info

Publication number
ATE332593T1
ATE332593T1 AT01900917T AT01900917T ATE332593T1 AT E332593 T1 ATE332593 T1 AT E332593T1 AT 01900917 T AT01900917 T AT 01900917T AT 01900917 T AT01900917 T AT 01900917T AT E332593 T1 ATE332593 T1 AT E332593T1
Authority
AT
Austria
Prior art keywords
length
transmission line
line
taps
determining
Prior art date
Application number
AT01900917T
Other languages
English (en)
Inventor
Murat Belge
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 ATE332593T1 publication Critical patent/ATE332593T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/46Monitoring; Testing
    • H04B3/493Testing echo effects or singing
    • 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
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • 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
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0212Channel estimation of impulse response
    • H04L25/0216Channel estimation of impulse response with estimation of channel length
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/50Testing arrangements
    • 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
    • H04M3/08Indicating faults in circuits or apparatus
    • H04M3/085Fault locating arrangements
    • 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
AT01900917T 2000-01-07 2001-01-08 Verfahren und vorrichtung zur bestimmung der leitungslänge und der brückenabgrifflange von in einer übertragunsleitung ATE332593T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17486600P 2000-01-07 2000-01-07
US22430800P 2000-08-10 2000-08-10

Publications (1)

Publication Number Publication Date
ATE332593T1 true ATE332593T1 (de) 2006-07-15

Family

ID=26870618

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01900917T ATE332593T1 (de) 2000-01-07 2001-01-08 Verfahren und vorrichtung zur bestimmung der leitungslänge und der brückenabgrifflange von in einer übertragunsleitung

Country Status (10)

Country Link
US (9) US6865221B2 (de)
EP (1) EP1245085B1 (de)
JP (3) JP4311902B2 (de)
KR (1) KR100683289B1 (de)
AT (1) ATE332593T1 (de)
AU (1) AU2632601A (de)
CA (2) CA2687472C (de)
DE (1) DE60121290T2 (de)
ES (2) ES2407155T3 (de)
WO (1) WO2001052439A1 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2267914A3 (de) * 2000-01-07 2012-09-26 Aware, Inc. Verfahren und Vorrichtung zur Bestimmung der Leitungslänge und der Brückenabgrifflänge in einer Übertragungsleitung
AU2632601A (en) 2000-01-07 2001-07-24 Aware, Inc. Systems and methods for loop length and bridged tap length determination of a transmission line
US6782043B1 (en) * 2000-01-18 2004-08-24 Lsi Logic Corporation Method and apparatus for estimating the length of a transmission line
KR100697002B1 (ko) * 2001-02-17 2007-03-20 삼성전자주식회사 톤 간격 조절을 포함한 초고속 디지털 가입자회선을 위한초기화 방법 및 이를 지원하는 시스템
DE60123211T2 (de) * 2001-04-02 2007-09-20 Alcatel Lucent Verfahren und Gerät zur Zugriffnetzwerkidentifikation durch 1-Tormessungen
WO2002087103A1 (en) * 2001-04-19 2002-10-31 Aware, Inc. Single-ended measurement method and system using abcd-matrix theory of transmission lines
EP1382188A2 (de) * 2001-04-26 2004-01-21 Aware, Inc. Systeme und verfahren zur schleifencharakterisierung aus zweiendenmessungen
CA2358379A1 (en) * 2001-10-05 2003-04-05 Elysium Broadband Inc. Method and device for preventing signal loss in unterminated bridge taps
US6782082B2 (en) 2002-02-15 2004-08-24 Broadcom Corporation Method and system for reducing cross-talk and avoiding bridged taps
US7015948B2 (en) * 2002-04-05 2006-03-21 Spx Corporation Method and apparatus for real time testing of DTV antenna transmitting systems in time domain under full power
DE10226348A1 (de) * 2002-06-13 2004-01-15 Infineon Technologies Ag Verfahren und Schaltungsanordnung zur Erkennung von Pupinspulen
AU2003207976A1 (en) 2003-02-04 2004-08-30 Tracespan Communications Ltd. Non-intrusive modem performance analysis
JP4500309B2 (ja) * 2003-05-02 2010-07-14 イカノス・コミュニケーションズ・インコーポレイテッド AnnexCにおける自動モード選択
JP4348138B2 (ja) * 2003-08-01 2009-10-21 パナソニック株式会社 Adslモデム装置
US7446622B2 (en) * 2003-09-05 2008-11-04 Infinera Corporation Transmission line with low dispersive properties and its application in equalization
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
US7460649B2 (en) * 2004-01-14 2008-12-02 Conexant Systems, Inc. Method and apparatus for single end loop testing for DSL provisioning and maintenance
US7388906B2 (en) * 2004-05-03 2008-06-17 Sbc Knowledge Ventures, L.P. Method for detecting bridged taps on telephony cable
US7440497B2 (en) * 2004-11-01 2008-10-21 Lsi Corporation Serial data link using decision feedback equalization
US7623630B2 (en) * 2005-04-08 2009-11-24 Ikanos Communications, Inc. Double-ended line probing (DELP) for DSL systems
US7405405B2 (en) * 2005-05-17 2008-07-29 General Electric Company Method and system for reconstructing an image in a positron emission tomography (PET) system
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
BRPI0613066A2 (pt) * 2005-07-10 2010-12-21 Adaptive Spectrum & Signal método para estimar uma configuração de laço de teste de sistema dsl, método para detectar um problema com um micro-filtro em um laço de sistema dsl, produtos de programa de computador e controladores
DE102006015055B4 (de) * 2006-03-31 2007-12-27 Nokia Siemens Networks Gmbh & Co.Kg Verfahren , Anordnung und Einrichtung zur Übermittlung von Informationen zwischen einer zentralen und zumindest einer dezentralen Einheit in einem Kommunikationsnetz
US20080292064A1 (en) * 2007-05-21 2008-11-27 Xidong Wu Methods and apparatus to characterize a digital subscriber line (dsl) subscriber loop
US20080310617A1 (en) * 2007-06-14 2008-12-18 Infineon Technologies Ag Transmission Links
CN101159777B (zh) * 2007-11-09 2011-02-09 华为技术有限公司 线路测量方法以及测量装置
TW200934154A (en) * 2007-12-28 2009-08-01 Panasonic Corp Communication device and communication system
CN101572569B (zh) * 2008-05-04 2013-01-23 华为技术有限公司 一种线路拓扑管理方法、系统及相关装置
US20100123618A1 (en) * 2008-11-19 2010-05-20 Harris Corporation Closed loop phase control between distant points
US8170088B2 (en) * 2008-11-19 2012-05-01 Harris Corporation Methods for determining a reference signal at any location along a transmission media
US20100124263A1 (en) * 2008-11-19 2010-05-20 Harris Corporation Systems 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
US20110062472A1 (en) * 2009-09-17 2011-03-17 Koninklijke Philips Electronics N.V. Wavelength-converted semiconductor light emitting device
EP2675074B1 (de) * 2012-06-13 2014-08-06 Alcatel Lucent Verfahren und Vorrichtung zur Detektion von eines Brückenabgriffs innerhalb einer Telekommunikationsleitung
EP2712161B1 (de) * 2012-09-24 2015-07-01 Alcatel Lucent Verfahren und Vorrichtung zum Testen von Teilnehmereinrichtung
WO2015017252A1 (en) * 2013-07-29 2015-02-05 Ikanos Communications, Inc. Method and apparatus for designing an improved transmit signal for use in a single ended line test (selt)
US10887450B1 (en) * 2018-09-06 2021-01-05 Adtran, Inc. Systems and methods for locating faults in a telecommunication line using line test data
EP3739764A1 (de) * 2019-05-17 2020-11-18 Nokia Solutions and Networks Oy Verfahren und vorrichtung zur bestimmung einer brückenabgriffslänge
CN112013506B (zh) * 2019-05-31 2022-02-25 青岛海尔空调电子有限公司 用于通讯检测的方法及装置、空调
TWI773966B (zh) * 2020-02-20 2022-08-11 瑞昱半導體股份有限公司 運作方法以及接收裝置
US11553618B2 (en) 2020-08-26 2023-01-10 PassiveLogic, Inc. Methods and systems of building automation state load and user preference via network systems activity

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US653098A (en) * 1900-04-13 1900-07-03 John Edward Laidlaw Non-reclosable bottle.
JPS58121838A (ja) * 1981-12-28 1983-07-20 Fujitsu Ltd 自動等化器
US4630228A (en) * 1982-06-28 1986-12-16 Systron-Donner Corporation Transmission line analyzer for automatically identifying the severities and locations of multiple mismatches
US5128619A (en) 1989-04-03 1992-07-07 Bjork Roger A System and method of determining cable characteristics
US5068614A (en) * 1990-11-05 1991-11-26 Tektronix, Inc. Swept frequency domain relectometry enhancement
JP2867802B2 (ja) * 1992-04-14 1999-03-10 日本電気株式会社 加入者線におけるブリッジタップ伝送線路位置特定方式
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
US6385203B2 (en) * 1996-03-29 2002-05-07 Cisco Technology, Inc. Communication server apparatus and method
US5864602A (en) * 1997-04-28 1999-01-26 Nynex Science & Technologies, Inc. Qualifying telephone line for digital transmission service
US6002671A (en) * 1997-09-03 1999-12-14 Fluke Corporation Test instrument for testing asymmetric digital subscriber lines
US5991311A (en) * 1997-10-25 1999-11-23 Centillium Technology Time-multiplexed transmission on digital-subscriber lines synchronized to existing TCM-ISDN for reduced cross-talk
EP0966808A2 (de) 1997-11-14 1999-12-29 Tektronix, Inc. Verfahren zum betreiben eines digitalen datenverteilungsnetzwerks
US5994905A (en) * 1997-12-02 1999-11-30 Wavetek Corporation Frequency domain reflectometer and method of suppressing harmonics
US6058162A (en) * 1997-12-05 2000-05-02 Harris Corporation Testing of digital subscriber loops using multi-tone power ratio (MTPR) waveform
US6259746B1 (en) * 1998-01-14 2001-07-10 Motorola Inc. Method for allocating data and power in a discrete multi-tone communication system
JP3510473B2 (ja) * 1998-03-23 2004-03-29 横河電機株式会社 伝送特性測定装置
US6370187B1 (en) * 1998-04-01 2002-04-09 Texas Instruments Incorporated Adaptive power dissipation for data communications system
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
GB9820427D0 (en) * 1998-09-18 1998-11-11 Northern Telecom Ltd Wireline communication system and method of frequency allocation therin
US6965578B1 (en) * 1998-09-30 2005-11-15 Conexant Systems, Inc. Echo canceling method and apparatus for digital data communication system
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
DE69938070T2 (de) * 1999-03-31 2009-01-15 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
US6177801B1 (en) * 1999-04-21 2001-01-23 Sunrise Telecom, Inc. Detection of bridge tap using frequency domain analysis
US6512789B1 (en) * 1999-04-30 2003-01-28 Pctel, Inc. Partial equalization for digital communication systems
US6751254B1 (en) * 1999-05-05 2004-06-15 Panasonic Communications Co., Ltd. Activation of multiple xDSL modems with power control measurement
US6256377B1 (en) * 1999-05-25 2001-07-03 Adtran, Inc. Loop loss measurement and reporting mechanism for digital data services telephone channel equipment
US6538451B1 (en) * 1999-06-25 2003-03-25 Telcordia Technologies, Inc. Single ended measurement method and system for determining subscriber loop make up
CA2369858C (en) 1999-06-25 2006-02-21 Stefano Galli Single ended measurement method and system for determining subscriber loop make up
US6487276B1 (en) * 1999-09-30 2002-11-26 Teradyne, Inc. Detecting faults in subscriber telephone lines
US6532277B2 (en) * 1999-11-12 2003-03-11 Qwest Communications International Inc. Method for controlling DSL transmission power
US6512597B1 (en) * 1999-11-17 2003-01-28 Lexmark International, Inc. Method and apparatus for correcting unadjusted threshold arrays for halftoning by use of parameterized transfer functions that generate adjusted threshold arrays at run time
AU2632601A (en) 2000-01-07 2001-07-24 Aware, Inc. Systems and methods for loop length and bridged tap length determination of a transmission line
EP2267914A3 (de) * 2000-01-07 2012-09-26 Aware, Inc. Verfahren und Vorrichtung zur Bestimmung der Leitungslänge und der Brückenabgrifflänge in einer Übertragungsleitung
EP2270996B1 (de) 2000-01-07 2018-03-07 TQ Delta, LLC Systeme und verfahren zur charakterisierung von übertragunsleitern in einem dsl mehrträgersystem
US6553098B1 (en) * 2000-04-11 2003-04-22 Verizon Laboratories Inc. Apparatus and method for assessing leakage from cable networks
US6516049B1 (en) * 2000-06-06 2003-02-04 Ikanos Communications, Inc. Method and apparatus for insertion loss estimation in wireline communications
US6996199B2 (en) * 2001-01-25 2006-02-07 Bandspeed, Inc. Approach for processing data received from a communications channel to reduce noise power and optimize impulse response length to reduce inter-symbol interference and inter-channel interference
EP1382188A2 (de) * 2001-04-26 2004-01-21 Aware, Inc. Systeme und verfahren zur schleifencharakterisierung aus zweiendenmessungen
US6707886B2 (en) * 2001-06-08 2004-03-16 At&T Corp. Method and system for testing subscriber loops using touchtone telephone signals
US6842012B2 (en) * 2001-11-07 2005-01-11 Aware, Inc. Modeling and calibrating a three-port time-domain reflectometry system
US6782082B2 (en) * 2002-02-15 2004-08-24 Broadcom Corporation Method and system for reducing cross-talk and avoiding bridged taps
US7313130B2 (en) * 2002-04-01 2007-12-25 Texas Instruments Incorporated Spectrally compatible mask for enhanced upstream data rates in DSL systems
US7486894B2 (en) 2002-06-25 2009-02-03 Finisar Corporation Transceiver module and integrated circuit with dual eye openers

Also Published As

Publication number Publication date
US20140036979A1 (en) 2014-02-06
CA2394826A1 (en) 2001-07-19
JP2009044733A (ja) 2009-02-26
DE60121290D1 (de) 2006-08-17
CA2687472C (en) 2015-09-08
US8094703B2 (en) 2012-01-10
US20120072192A1 (en) 2012-03-22
KR100683289B1 (ko) 2007-02-15
JP2010148120A (ja) 2010-07-01
US8369394B2 (en) 2013-02-05
JP2003520489A (ja) 2003-07-02
US8687680B2 (en) 2014-04-01
US8958466B2 (en) 2015-02-17
KR20020079772A (ko) 2002-10-19
JP4473327B2 (ja) 2010-06-02
US20100142602A1 (en) 2010-06-10
ES2407155T3 (es) 2013-06-12
US6865221B2 (en) 2005-03-08
US20110026569A1 (en) 2011-02-03
US20130142315A1 (en) 2013-06-06
WO2001052439A1 (en) 2001-07-19
US9191066B2 (en) 2015-11-17
US20150124860A1 (en) 2015-05-07
CA2687472A1 (en) 2001-07-19
US20140211836A1 (en) 2014-07-31
EP1245085B1 (de) 2006-07-05
US7835431B2 (en) 2010-11-16
AU2632601A (en) 2001-07-24
JP4311902B2 (ja) 2009-08-12
CA2394826C (en) 2010-03-23
EP1245085A1 (de) 2002-10-02
US20050123030A1 (en) 2005-06-09
ES2265411T3 (es) 2007-02-16
DE60121290T2 (de) 2006-11-16
US8553750B2 (en) 2013-10-08
US20010043647A1 (en) 2001-11-22
US7852910B2 (en) 2010-12-14

Similar Documents

Publication Publication Date Title
ATE332593T1 (de) Verfahren und vorrichtung zur bestimmung der leitungslänge und der brückenabgrifflange von in einer übertragunsleitung
DE69919373D1 (de) Verfahren und vorrichtung zur automatischen auswahl eines netzwerk-sender-empfängers der physikalischen schicht einer heimnetzwerksstation
DE60022666D1 (de) Verfahren und vorrichtung zur verifizierung vom netzwerk zum benutzer von zeitbasierenden kommunikationsgeräten
DE10191578D2 (de) Verfahren und Vorrichtung zum Messen des Flusses einer Flüssigkeit
ATE353531T1 (de) Verfahren zum berechnen der echten schleifenlaufzeit und des aufenthaltsortes einer teilnehmereinrichtung in wcdma/utran
ATE403995T1 (de) System und verfahren zur statusüberwachung einer netzwerkvorrichtung
DE60118542D1 (de) System und verfahren zur bestimmung der validität einer interaktion auf einem netzwerk
DE60222041D1 (de) Verfahren und Vorrichtung zur Meldung des Zustandes einer Netzwerkvorrichtung
ATE529952T1 (de) Verfahren und vorrichtung zum messen des nebensprechens
NO20014307L (no) System og fremgangsmåte for overvåkning av korrosjon i brönner og rörledninger på oljefelt ved hjelp av tidsdomene-reflektometri
ATE321273T1 (de) Signalvorverarbeitung zur bestimmung der eigenschaften einer übertragungsleitung
DE50108462D1 (de) Verfahren und sendeschaltung zur erzeugung eines sendesignals
ATE472198T1 (de) Verfahren und vorrichtung zum testen des übersprechens in einer kommunikationsleitung mit mehreren teilnehmern
ATE524908T1 (de) Kommunikationsempfänger mit einer veränderlichen entzerrerlänge
DE50105272D1 (de) Verfahren zum Verteilen einer Datenverkehrslast eines Kommunikationsnetzes und Kommunikationsnetz zur Realisierung des Verfahrens
WO2002089454A3 (en) Systems and methods for loop characterization from double-ended measurements
DE3768085D1 (de) Verfahren und schaltungsanordnung zur ermittlung der stellung des abgriffes eines widerstandsferngebers.
DE69417134D1 (de) Verfahren und gerät zur überwachung des zustandes einer antenne
DE60111427D1 (de) Verfahren und einrichtung zum abschätzen des störabstandes eines signals
ATE313909T1 (de) Verfahren und system zum klassifizieren von netzwerkverbindungen
DE50109150D1 (de) Verfahren und vorrichtung zur ermittlung des durchsatzes eines strömenden mediums
DE60107458D1 (de) Verfahren und vorrichtung zur abschreckung einer dampfleitung eines koksbehälters
DE60115735D1 (de) Gerät und Verfahren zur Datenübertragung , und Gerät und Verfahren zur Verwaltung der Datenübertragung
ATE317137T1 (de) Verfahren zur übertragung eines datentelegramms zwischen einer echtzeit-domain und einer nicht- echtzeit-domain und koppeleinheit
DE50104995D1 (de) Verfahren und vorrichtung zum dekodieren einer folge physikalischer signale, zuverlässigkeitswert-ermittlungseinheit und viterbi-dekodiereinheit

Legal Events

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