CA2535460C - Nonlinear device detection - Google Patents

Nonlinear device detection Download PDF

Info

Publication number
CA2535460C
CA2535460C CA2535460A CA2535460A CA2535460C CA 2535460 C CA2535460 C CA 2535460C CA 2535460 A CA2535460 A CA 2535460A CA 2535460 A CA2535460 A CA 2535460A CA 2535460 C CA2535460 C CA 2535460C
Authority
CA
Canada
Prior art keywords
frequencies
multiples
interfere
transmitted
frequency
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA2535460A
Other languages
English (en)
French (fr)
Other versions
CA2535460A1 (en
Inventor
Christopher C. Cunningham
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aware Inc
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
Publication of CA2535460A1 publication Critical patent/CA2535460A1/en
Application granted granted Critical
Publication of CA2535460C publication Critical patent/CA2535460C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/24Arrangements for testing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/738Interface circuits for coupling substations to external telephone lines
    • H04M1/74Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2203/00Aspects of automatic or semi-automatic exchanges
    • H04M2203/05Aspects of automatic or semi-automatic exchanges related to OAM&P
    • H04M2203/057Aspects of automatic or semi-automatic exchanges related to OAM&P distortion monitoring
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)
CA2535460A 2003-08-21 2004-08-20 Nonlinear device detection Expired - Fee Related CA2535460C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US49703603P 2003-08-21 2003-08-21
US49714203P 2003-08-21 2003-08-21
US60/497,142 2003-08-21
US60/497,036 2003-08-21
PCT/US2004/026912 WO2005022877A1 (en) 2003-08-21 2004-08-20 Nonlinear device detection

Publications (2)

Publication Number Publication Date
CA2535460A1 CA2535460A1 (en) 2005-03-10
CA2535460C true CA2535460C (en) 2013-10-01

Family

ID=34278544

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2535460A Expired - Fee Related CA2535460C (en) 2003-08-21 2004-08-20 Nonlinear device detection

Country Status (8)

Country Link
US (2) US7580471B2 (enExample)
EP (2) EP2288128A3 (enExample)
JP (2) JP4594309B2 (enExample)
KR (2) KR101051250B1 (enExample)
CN (1) CN1856987B (enExample)
AU (2) AU2004302784B2 (enExample)
CA (1) CA2535460C (enExample)
WO (1) WO2005022877A1 (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7564895B2 (en) * 2001-03-29 2009-07-21 Nortel Networks Limited Method and apparatus for monitoring channel frequency response
WO2005022877A1 (en) * 2003-08-21 2005-03-10 Aware, Inc. Nonlinear device detection
WO2007008835A2 (en) * 2005-07-10 2007-01-18 Adaptive Spectrum And Signal Alignment, Inc. Dsl system estimation
US7177419B2 (en) * 2004-09-22 2007-02-13 2Wire, Inc. Methods and apparatuses for detecting and reducing non-linear echo in a multi-carrier communication system
EP1805927A1 (en) * 2004-10-11 2007-07-11 2Wire, Inc. Periodic impulse noise mitigation in a dsl system
US7953163B2 (en) * 2004-11-30 2011-05-31 Broadcom Corporation Block linear equalization in a multicarrier communication system
US7852950B2 (en) * 2005-02-25 2010-12-14 Broadcom Corporation Methods and apparatuses for canceling correlated noise in a multi-carrier communication system
US9374257B2 (en) * 2005-03-18 2016-06-21 Broadcom Corporation Methods and apparatuses of measuring impulse noise parameters in multi-carrier communication systems
US7813439B2 (en) * 2006-02-06 2010-10-12 Broadcom Corporation Various methods and apparatuses for impulse noise detection
WO2008092029A2 (en) 2007-01-24 2008-07-31 Access Scientific, Inc. Access device
EP2486951B1 (en) 2007-04-18 2016-05-25 Access Scientific, Inc. Access device
EP2250801B1 (en) * 2008-01-29 2017-03-15 Broadcom Corporation Method and system for detecting non-linear devices
US8605837B2 (en) * 2008-10-10 2013-12-10 Broadcom Corporation Adaptive frequency-domain reference noise canceller for multicarrier communications systems
EP2366235B1 (en) 2008-11-24 2015-02-25 Broadcom Corporation Detecting faults affecting communications links
EP2507917A1 (en) 2009-11-30 2012-10-10 Aware, Inc. Methods and systems for detecting metallic faults affecting communications links
US9398614B2 (en) * 2010-01-19 2016-07-19 Mitsubishi Electric Corporation Data collection system, data collection device, wireless communication device, and communication method for collecting data
US8956327B2 (en) 2010-02-08 2015-02-17 Access Scientific, Llc Access device
US9137085B2 (en) 2010-07-28 2015-09-15 Broadcom Corporation Adjusting controls at the physical layer to control link quality at higher layers
EP2557870B1 (en) 2011-08-10 2020-07-08 Alcatel Lucent Configuring transmissions
WO2013137850A1 (en) * 2012-03-12 2013-09-19 Adaptive Spectrum And Signal Alignment, Inc. Methods and systems for characterizing line micro-filter states & positioning line faults relative to a network interface device
CN104769891A (zh) * 2012-10-15 2015-07-08 伊卡诺斯通信公司 用以检测和传达关于通信链路状态的信息的方法和装置
WO2014071162A1 (en) * 2012-11-05 2014-05-08 Ikanos Communications, Inc. Customer premise selt based method for detecting the presence of a micro-filter on a vdsl connection
US9566087B2 (en) 2013-03-15 2017-02-14 Access Scientific, Llc Vascular access device
US9178668B2 (en) * 2013-07-29 2015-11-03 Ikanos Communications, Inc. Method and apparatus for detecting improper connections near a customer premises equipment
US9338281B2 (en) 2013-07-29 2016-05-10 Ikanos Communications, Inc. Method and apparatus for detecting and locating loop impairments
WO2016176065A1 (en) 2015-04-30 2016-11-03 Access Scientific, Llc Vascular access device
CN106998214A (zh) * 2017-04-05 2017-08-01 深圳天珑无线科技有限公司 一种谐波处理方法及装置
US10569059B2 (en) 2018-03-01 2020-02-25 Asspv, Llc Guidewire retention device

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04175037A (ja) * 1989-11-16 1992-06-23 Fujitsu Ltd モデム信号検出方式
JP2921105B2 (ja) * 1990-11-16 1999-07-19 富士通株式会社 状態診断機能付モデム
US5475315A (en) * 1991-09-20 1995-12-12 Audio Precision, Inc. Method and apparatus for fast response and distortion measurement
US5474315A (en) * 1993-07-16 1995-12-12 Simplicity Manufacturing Torsion bar rear suspension for ride-on mowers
GB9406224D0 (en) 1994-03-29 1994-05-18 Deas Alexander R Adaptive telephone interface
US6438212B1 (en) * 1997-09-18 2002-08-20 Verizon Services Corp. Automated telephone line test apparatus with intelligent diagnostic function
US6101216A (en) 1997-10-03 2000-08-08 Rockwell International Corporation Splitterless digital subscriber line communication system
WO1999034588A1 (en) * 1997-12-24 1999-07-08 Globespan Semiconductor Inc. Apparatus and method for improved dsl communication
US6111936A (en) * 1998-01-28 2000-08-29 Paradyne Corporation Method and apparatus for automatically detecting and measuring distortion in a DSL system
US6456650B1 (en) * 1998-02-04 2002-09-24 Texas Instruments Incorporated Splitterless modem using harmonics reduction
US6487243B1 (en) * 1999-03-08 2002-11-26 International Business Machines Corporation Modems, methods, and computer program products for recovering from errors in a tone reversal sequence between two modems
US6748016B1 (en) * 1999-07-16 2004-06-08 Aware, Inc. System and method for transmitting messages between transceivers using electromagnetically coupled signals
US6535580B1 (en) * 1999-07-27 2003-03-18 Agere Systems Inc. Signature device for home phoneline network devices
US6466649B1 (en) * 1999-12-09 2002-10-15 Harris Corporation Detection of bridged taps by frequency domain reflectometry
US6795548B2 (en) * 2000-01-05 2004-09-21 Texas Instruments Incorporated Method and system for data communication
DE60124069T2 (de) 2000-01-07 2007-02-01 Aware, Inc., Bedford Diagnostische verfahren und systeme für mehrträgermodems
EP2267914A3 (en) * 2000-01-07 2012-09-26 Aware, Inc. Systems and methods for loop length and bridged tap length determination of a transmission line
WO2005022877A1 (en) * 2003-08-21 2005-03-10 Aware, Inc. Nonlinear device detection
US20060111936A1 (en) * 2004-11-23 2006-05-25 General Electric Company Container system and method for hosting healthcare applications and componentized archiecture

Also Published As

Publication number Publication date
KR20060069463A (ko) 2006-06-21
EP2288128A2 (en) 2011-02-23
KR101051250B1 (ko) 2011-07-21
US7580471B2 (en) 2009-08-25
US20050041753A1 (en) 2005-02-24
CN1856987A (zh) 2006-11-01
JP2007503172A (ja) 2007-02-15
US20090268797A1 (en) 2009-10-29
JP2010022026A (ja) 2010-01-28
AU2010200127B2 (en) 2012-12-20
EP1656787B1 (en) 2016-04-13
AU2004302784B2 (en) 2009-10-29
AU2004302784A1 (en) 2005-03-10
JP4594309B2 (ja) 2010-12-08
AU2010200127A1 (en) 2010-02-04
WO2005022877A1 (en) 2005-03-10
CN1856987B (zh) 2011-06-01
EP2288128A3 (en) 2011-12-28
EP1656787A1 (en) 2006-05-17
KR20090087973A (ko) 2009-08-18
CA2535460A1 (en) 2005-03-10

Similar Documents

Publication Publication Date Title
AU2010200127B2 (en) Nonlinear device detection
CA2788662C (en) Diagnostic methods and systems for multicarrier modems
US9054794B2 (en) Detecting faults affecting communications links
US8559532B2 (en) Method and system for detecting non-linear devices
JP2016535519A (ja) 顧客構内機器の近くの不適切な接続を検出するための方法および装置
AU2017201226B2 (en) Diagnostic methods and systems for multicarrier modems
HK1157532B (en) Detecting faults affecting communications links
HK1146343A (en) Method and system for detecting non-linear devices
HK1146343B (en) Method and system for detecting non-linear devices

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20180820