ATE477640T1 - Verfahren und vorrichtung zur ermittlung der leistung eines netzwerkes - Google Patents

Verfahren und vorrichtung zur ermittlung der leistung eines netzwerkes

Info

Publication number
ATE477640T1
ATE477640T1 AT01114012T AT01114012T ATE477640T1 AT E477640 T1 ATE477640 T1 AT E477640T1 AT 01114012 T AT01114012 T AT 01114012T AT 01114012 T AT01114012 T AT 01114012T AT E477640 T1 ATE477640 T1 AT E477640T1
Authority
AT
Austria
Prior art keywords
test signal
test
performance
comparator
known server
Prior art date
Application number
AT01114012T
Other languages
English (en)
Inventor
Richard C Jawaorski
Robert L Richards
James E Barker
Hermann B Elliot
Original Assignee
Sunrise Telecom 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 Sunrise Telecom Inc filed Critical Sunrise Telecom Inc
Application granted granted Critical
Publication of ATE477640T1 publication Critical patent/ATE477640T1/de

Links

Classifications

    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/14—Arrangements for detecting or preventing errors in the information received by using return channel in which the signals are sent back to the transmitter to be checked ; echo systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2801—Broadband local area networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/50—Testing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
AT01114012T 2000-11-01 2001-06-08 Verfahren und vorrichtung zur ermittlung der leistung eines netzwerkes ATE477640T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/704,888 US7010730B1 (en) 2000-11-01 2000-11-01 System and method for testing the upstream channel of a cable network

Publications (1)

Publication Number Publication Date
ATE477640T1 true ATE477640T1 (de) 2010-08-15

Family

ID=24831249

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01114012T ATE477640T1 (de) 2000-11-01 2001-06-08 Verfahren und vorrichtung zur ermittlung der leistung eines netzwerkes

Country Status (7)

Country Link
US (4) US7010730B1 (de)
EP (1) EP1204240B8 (de)
JP (2) JP2002164870A (de)
KR (1) KR20020034946A (de)
AT (1) ATE477640T1 (de)
DE (1) DE60142766D1 (de)
TW (1) TWI224910B (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7496110B1 (en) * 2001-08-21 2009-02-24 Juniper Networks, Inc. Virtual upstream channel scheduling in broadband communication systems
US8089888B2 (en) 2001-12-10 2012-01-03 Qualcomm Incorporated Method and apparatus for testing traffic and auxiliary channels in a wireless data communication system
US7007209B2 (en) 2002-02-25 2006-02-28 Richard Charles Jaworski System of testing the upstream cable modem channel
US7451472B2 (en) * 2002-09-30 2008-11-11 Cable Television Laboratories, Inc. System and method to test network performance with impairments
KR100937099B1 (ko) 2003-02-14 2010-01-15 주식회사 케이티 영상 전송시 소스-채널 결합 부호화의 부호율 결정 방법및 이를 이용한 영상 전송 시스템
US7796526B2 (en) * 2003-10-31 2010-09-14 Acterna Versatile communication network test apparatus and methods
US7707615B2 (en) * 2004-06-10 2010-04-27 Time Warner Cable, Inc. Establishing a return path in a forward path cable television testing environment
US7893685B2 (en) 2006-08-28 2011-02-22 Acterna Llc RF meter with input noise suppression
US7885195B2 (en) * 2008-02-26 2011-02-08 Sunrise Telecom Incorporated Test system with user selectable channel
US20090228941A1 (en) * 2008-03-05 2009-09-10 At&T Intellectual Property, Lp Video System and a Method of Using the Video System
US8234540B2 (en) 2008-07-01 2012-07-31 International Business Machines Corporation Error correcting code protected quasi-static bit communication on a high-speed bus
US8139430B2 (en) * 2008-07-01 2012-03-20 International Business Machines Corporation Power-on initialization and test for a cascade interconnect memory system
US9537717B2 (en) * 2009-04-20 2017-01-03 Hewlett Packard Enterprise Development Lp Policy enforcement point provisioning
US8527815B2 (en) 2010-09-16 2013-09-03 Lsi Corporation Method for detecting a failure in a SAS/SATA topology
KR101239100B1 (ko) * 2011-01-24 2013-03-05 사단법인한국디지털케이블연구원 브라우저 기반 케이블레디 디지털 텔레비전의 시험 검증 시스템 및 시험 검증 방법
US9450686B2 (en) 2011-06-30 2016-09-20 Viavi Solutions Inc. Testing an upstream path of a cable network
US9264340B2 (en) 2013-03-15 2016-02-16 Ixia Methods, systems, and computer readable media for misdirected packet drill down and negative packet capture at a network test device
US9094336B2 (en) * 2013-03-15 2015-07-28 Ixia Methods, systems, and computer readable media for assisting with the debugging of conditions associated with the processing of test packets by a device under test
US10361945B2 (en) * 2015-10-08 2019-07-23 Fluke Corporation System and method to reconcile cabling test results with cabling test configurations
US10367713B2 (en) 2015-10-15 2019-07-30 Fluke Corporation Cloud based system and method for managing testing configurations for cable test devices
US10097443B2 (en) 2015-12-16 2018-10-09 Fluke Corporation System and method for secure communications between a computer test tool and a cloud-based server
US9979566B2 (en) * 2016-09-27 2018-05-22 Intel Corporation Hybrid forward error correction and replay technique for low latency
DE102016221660B4 (de) * 2016-11-04 2025-03-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und entsprechendes verfahren zum kommunizieren mit einem transponder sowie system zum kommunizieren
US10567123B2 (en) 2018-02-26 2020-02-18 Keysight Technologies, Inc. Methods, systems and computer readable media for evaluating link or component quality using synthetic forward error correction (FEC)
US11050527B1 (en) 2019-06-26 2021-06-29 Keysight Technologies, Inc. Methods, systems, and computer readable media for testing of hardened forward error correction (FEC) implementations
US11102104B1 (en) 2019-08-30 2021-08-24 Keysight Technologies, Inc. Methods, systems, and computer readable media for generating analog-distorted test data
US11228380B2 (en) 2019-10-29 2022-01-18 Keysight Technologies, Inc. Bit error ratio (BER) measurement including forward error correction (FEC) on back channel

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070648A (en) 1976-06-18 1978-01-24 Ncr Corporation Computer to computer communication system
JPS5837736B2 (ja) 1979-09-04 1983-08-18 ファナック株式会社 直列デ−タ伝送方式
JPS58201443A (ja) * 1982-05-19 1983-11-24 Ricoh Co Ltd 同期網ル−プ接続方式
JPH0620200B2 (ja) 1982-10-08 1994-03-16 株式会社日立製作所 データ通信方式
US4847837A (en) * 1986-11-07 1989-07-11 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Local area network with fault-checking, priorities and redundant backup
JPH02149042A (ja) * 1988-11-30 1990-06-07 Hitachi Ltd ネツトワークデータ収集システム
JPH0691513B2 (ja) 1989-01-27 1994-11-14 富士通株式会社 データ伝送誤り検出方式
GB8928699D0 (en) * 1989-12-20 1990-02-28 Int Computers Ltd Data communications system
JP3110786B2 (ja) 1991-03-26 2000-11-20 日本電信電話株式会社 障害区間標定方式
JPH06216655A (ja) * 1993-01-13 1994-08-05 Nec Corp 復調回路
US6334219B1 (en) 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
CA2211803A1 (en) 1995-02-06 1996-08-15 Adc Telecommunications, Inc. Method of communication channel monitoring using parity bits
JPH08307926A (ja) 1995-05-08 1996-11-22 Fujitsu Ltd ディジタル移動通信システムにおけるビットエラーレート測定装置
US5790806A (en) * 1996-04-03 1998-08-04 Scientific-Atlanta, Inc. Cable data network architecture
US5699365A (en) * 1996-03-27 1997-12-16 Motorola, Inc. Apparatus and method for adaptive forward error correction in data communications
US5968197A (en) * 1996-04-01 1999-10-19 Ericsson Inc. Method and apparatus for data recovery
US6088451A (en) * 1996-06-28 2000-07-11 Mci Communications Corporation Security system and method for network element access
EP0825738B1 (de) * 1996-08-23 2006-11-08 Nippon Telegraph And Telephone Corporation Verfahren und Vorrichtung zur Fehlerkompensation sowie ein Fehlerkompensationsprogramm speicherndes Speichermedium
JPH10224761A (ja) 1997-02-06 1998-08-21 Toshiba Corp Ｃａｔｖケーブルモデムのエラー表示装置
US5943604A (en) * 1997-10-31 1999-08-24 Cisco Technology, Inc. Echo device method for locating upstream ingress noise gaps at cable television head ends
JPH11225161A (ja) 1998-02-05 1999-08-17 Matsushita Electric Ind Co Ltd データ処理方法およびデータ処理装置
JP3877857B2 (ja) 1998-02-27 2007-02-07 独立行政法人情報通信研究機構 ネットワーク管理装置及びネットワーク管理方法
US6512747B1 (en) * 1998-03-05 2003-01-28 Nippon Telegraph And Telephone Corporation ATM transmission system
US6182264B1 (en) * 1998-05-22 2001-01-30 Vlsi Technology, Inc. Smart dynamic selection of error correction methods for DECT based data services
US6400728B1 (en) * 1998-09-09 2002-06-04 Vlsi Technology, Inc. Method and system for detecting user data types in digital communications channels and optimizing encoding-error correction in response thereto
JP3573988B2 (ja) * 1998-12-28 2004-10-06 富士通株式会社 誤り訂正方法及び伝送装置
US6891851B1 (en) * 1999-01-08 2005-05-10 Verizon Services Corp. Method and apparatus for communicating maintenance messages and/or test messages of digital subscriber line services
JP2000341688A (ja) * 1999-05-31 2000-12-08 Ando Electric Co Ltd 動画通信品質判定装置
US6643818B1 (en) * 1999-11-19 2003-11-04 International Business Machines Corporation Storing and using the history of data transmission errors to assure data integrity
US6690719B1 (en) * 2000-02-14 2004-02-10 Itran Communications Ltd. Host to modem interface
US6742187B1 (en) * 2000-09-15 2004-05-25 3Com Corporation Upstream bandwidth allocation map (MAP)-initiated channel change method for data-over-cable systems
US7151754B1 (en) * 2000-09-22 2006-12-19 Lucent Technologies Inc. Complete user datagram protocol (CUDP) for wireless multimedia packet networks using improved packet level forward error correction (FEC) coding
US7151745B2 (en) * 2001-11-08 2006-12-19 Broadcom Corporation Scalable synchronous packet transmit scheduler

Also Published As

Publication number Publication date
JP2005102344A (ja) 2005-04-14
JP2002164870A (ja) 2002-06-07
US7509542B2 (en) 2009-03-24
EP1204240A2 (de) 2002-05-08
US20100146367A1 (en) 2010-06-10
JP3913757B2 (ja) 2007-05-09
TWI224910B (en) 2004-12-01
US20060048200A1 (en) 2006-03-02
US7721162B2 (en) 2010-05-18
DE60142766D1 (de) 2010-09-23
EP1204240B1 (de) 2010-08-11
KR20020034946A (ko) 2002-05-09
EP1204240B8 (de) 2011-02-16
US20090147671A1 (en) 2009-06-11
US7010730B1 (en) 2006-03-07
EP1204240A3 (de) 2005-08-10

Similar Documents

Publication Publication Date Title
ATE477640T1 (de) Verfahren und vorrichtung zur ermittlung der leistung eines netzwerkes
ATE494700T1 (de) Verfahren und vorrichtung zur durchführung eines diagnostischen tests unter zuhilfenahme eines transceivers
DE602004026213D1 (de) Verfahren und vorrichtung zum unterbrechen einer übertragung eines multicast-signals
BR9815807A (pt) Método e aparelho para gerar um sinal que tem uma estrutura de quadros, e método e aparelho para sincronização de quadros
EP1170731A4 (de) Verfahren zur optischen aufzeichnung von informationen, und vorrichtung zur optischen aufzeichnung von informationen durch dieses verfahren
BR9807295A (pt) Processo e aparelho para medição de tempo relacionado a mensagens de dados do satélite para uso com um sistema de posicionamento por satélite, receptor de sistema de posicionamento por satélite (sps), e, sistema de um receptor .
DE59608030D1 (de) Verfahren und vorrichtung zur überprüfung eines sensors
ATE274225T1 (de) Verfahren und vorrichtung zum charakterisieren eines signals und verfahren und vorrichtung zum erzeugen eines indexierten signals
ATE406729T1 (de) Vorrichtung und verfahren zur verteilten fehlerbesitigung in einem kommunikationssystem
UA74399C2 (uk) Спосіб визначення якості форми обвідної сигналу і пристрій для його реалізації (варіанти)
DE69634493D1 (de) Verfahren und empfänger zur erkennung einer verbindungsherstelllung für datenpakete
DE60237646D1 (de) Verfahren und Vorrichtung zur Empfangs-und Erreichbarkeitsüberprüfung bei explizitem Multicast
WO2008042882A3 (en) Systems and methods for single-ended loop testing
WO2004104531A3 (en) Method and system for improved single-ended loop make-up identification
ATE313086T1 (de) Digitales system und entsprechendes verfahren zur fehlererkennung
DE60004403D1 (de) Vorrichtung und verfahren zur signalqualitätserfassung
DE60331548D1 (de) Verfahren zur Prüfung der Bitfehlerrate eines Gerätes gemäss statistischem Sicherheitsniveau
JP2000241169A5 (de)
CA2356068A1 (en) Network test instrument
ATE209344T1 (de) Verfahren und vorrichtung zur analyse eines gegenstandes
ATE298478T1 (de) Verfahren und vorrichtung zur erzeugung eines fehlersignals bei kohärentem überlagerungsempfang von lichtwellen
DE50002858D1 (de) Verfahren zum erzeugen eines prüfsignals mit vorbestimmtem signal/rausch-verhältnis auf einer frei wählbaren ausgangsfrequenz
ATE356477T1 (de) Systeme und verfahren zur prüfung eines schaltkreises in einem optischen kommunikationsnetz
DE60138462D1 (de) Verfahren und System zur Messung der Genauigkeit eines Übertragungskanals
KR950023078A (ko) 전자교환기에서의 아날로그 가입자회로 검사방법 및 그 장치

Legal Events

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