ATE408933T1 - System und verfahren zur anwendung von einem lms verfahren zur aktualisierung eines echounterdrückers in einem adsl modem - Google Patents

System und verfahren zur anwendung von einem lms verfahren zur aktualisierung eines echounterdrückers in einem adsl modem

Info

Publication number
ATE408933T1
ATE408933T1 AT01905022T AT01905022T ATE408933T1 AT E408933 T1 ATE408933 T1 AT E408933T1 AT 01905022 T AT01905022 T AT 01905022T AT 01905022 T AT01905022 T AT 01905022T AT E408933 T1 ATE408933 T1 AT E408933T1
Authority
AT
Austria
Prior art keywords
line
samples
echo
line version
version
Prior art date
Application number
AT01905022T
Other languages
English (en)
Inventor
Igor Tkachov
Stuart Sandberg
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 ATE408933T1 publication Critical patent/ATE408933T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/002Applications of echo suppressors or cancellers in telephonic connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/20Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/32Reducing cross-talk, e.g. by compensating

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)
  • Communication Control (AREA)
  • Interface Circuits In Exchanges (AREA)
AT01905022T 2000-01-25 2001-01-25 System und verfahren zur anwendung von einem lms verfahren zur aktualisierung eines echounterdrückers in einem adsl modem ATE408933T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17794400P 2000-01-25 2000-01-25

Publications (1)

Publication Number Publication Date
ATE408933T1 true ATE408933T1 (de) 2008-10-15

Family

ID=22650556

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01905022T ATE408933T1 (de) 2000-01-25 2001-01-25 System und verfahren zur anwendung von einem lms verfahren zur aktualisierung eines echounterdrückers in einem adsl modem

Country Status (9)

Country Link
US (7) US20010040875A1 (de)
EP (3) EP1250766B1 (de)
JP (1) JP2003521194A (de)
KR (2) KR20100034063A (de)
AT (1) ATE408933T1 (de)
AU (1) AU783527B2 (de)
CA (1) CA2396162A1 (de)
DE (1) DE60135828D1 (de)
WO (1) WO2001056184A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE408933T1 (de) 2000-01-25 2008-10-15 Aware Inc System und verfahren zur anwendung von einem lms verfahren zur aktualisierung eines echounterdrückers in einem adsl modem
TWI256810B (en) * 2001-08-24 2006-06-11 Faraday Tech Corp Method for adjusting weighting of blind-type equalizer
US20050232308A1 (en) * 2004-04-19 2005-10-20 Texas Instruments Incorporated Frame alignment and cyclic extension partitioning
EP2575342B1 (de) * 2011-09-30 2014-09-17 Alcatel Lucent Diagnosemaschine für DSL-Linien
CN103636230B (zh) 2012-05-31 2017-04-26 华为技术有限公司 一种dsl激活的方法、设备和系统
US20190040520A1 (en) * 2016-02-04 2019-02-07 Ecole Polytechnique Federale De Lausanne (Epfl) Coating for optical and electronic applications
US11748024B2 (en) 2020-04-01 2023-09-05 Samsung Electronics Co., Ltd. Apparatus and method of managing registers based on register group

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053336A (ja) * 1983-09-02 1985-03-27 Nec Corp 反響消去装置
GB2182826B (en) * 1985-11-20 1990-08-01 Stc Plc Data transmission system
CA1315356C (en) * 1988-07-20 1993-03-30 Seiji Miyoshi Digital adaptive filter and method of convergence therein
US5007047A (en) * 1988-12-02 1991-04-09 Codex Corporation Adaptive rate control for echo cancelling modem
JP2846002B2 (ja) * 1989-11-22 1999-01-13 株式会社日立製作所 伝送装置
US5305309A (en) * 1989-12-06 1994-04-19 Fujitsu Limited Echo canceller
JP2728760B2 (ja) * 1990-02-13 1998-03-18 株式会社東芝 データ伝送装置並びに受信データ処理方法
JPH04119713A (ja) * 1990-09-10 1992-04-21 Fujitsu Ltd 適応フィルタ係数推定時に使用する修正定数の設定方法
IT1254819B (it) * 1992-02-24 1995-10-11 Sits Soc It Telecom Siemens Procedimento e dispositivo per la cancellazione numerica adattativa dell'eco generato in collegamenti telefonici non stazionari
FI935834A (fi) * 1993-12-23 1995-06-24 Nokia Telecommunications Oy Menetelmä kaikukohtaan sovittautumiseksi kaiunpoistajassa
JP3181167B2 (ja) * 1994-03-18 2001-07-03 富士通株式会社 多地点会議システムのカスケード構成における接続・切断方式
US5577097A (en) * 1994-04-14 1996-11-19 Northern Telecom Limited Determining echo return loss in echo cancelling arrangements
JP2586441B2 (ja) * 1994-07-27 1997-02-26 日本電気株式会社 移動電話機
JPH08125587A (ja) * 1994-10-26 1996-05-17 Matsushita Electric Ind Co Ltd 適応ディジタル信号処理装置
US5633936A (en) * 1995-01-09 1997-05-27 Texas Instruments Incorporated Method and apparatus for detecting a near-end speech signal
JP2728120B2 (ja) * 1995-01-24 1998-03-18 日本電気株式会社 エコーキャンセラ装置
US5828696A (en) * 1995-03-30 1998-10-27 Lucent Technologies Inc. Timing recovery in a network-synchronized modem
SE505150C3 (sv) 1995-10-18 1997-08-04 Ericsson Telefon Ab L M Adaptivt ekoslaeckningsfoerfarande av dubbelfiltertyp
US5937060A (en) * 1996-02-09 1999-08-10 Texas Instruments Incorporated Residual echo suppression
SG99276A1 (en) 1996-09-04 2003-10-27 Texas Instruments Inc A multiplexed approach to adsl atu-c concentration
US5815944A (en) * 1996-10-16 1998-10-06 Palmer; James R. Enclosure for drying and storing hosiery and method of use
US5995568A (en) * 1996-10-28 1999-11-30 Motorola, Inc. Method and apparatus for performing frame synchronization in an asymmetrical digital subscriber line (ADSL) system
US6185300B1 (en) * 1996-12-31 2001-02-06 Ericsson Inc. Echo canceler for use in communications system
JPH10303872A (ja) * 1997-04-23 1998-11-13 Takashi Tsutsui Tcm方式によりxdslに漏話対策を施す方法
US6374375B1 (en) * 1997-05-09 2002-04-16 Advanced Micro Devices, Inc. Monitoring line conditions in the data transmission mode
JP3361724B2 (ja) * 1997-06-11 2003-01-07 沖電気工業株式会社 エコーキャンセラ装置
US6181793B1 (en) * 1997-11-14 2001-01-30 Tellabs Operations, Inc. Echo canceller employing dual-H architecture having improved coefficient transfer
US6563803B1 (en) * 1997-11-26 2003-05-13 Qualcomm Incorporated Acoustic echo canceller
US6377683B1 (en) * 1998-05-29 2002-04-23 3Com Corporation Low complexity frequency domain echo canceller for DMT transceivers
US6366591B1 (en) * 1998-07-13 2002-04-02 Agere Systems Guardian Corp. Technique for treating channel impairments involving measuring a digital loss in transmitted signals in data communications
US6778671B1 (en) * 1998-12-14 2004-08-17 Intel Corporation Method of reference to echo time alignment for facilitation of echo cancellation
US6580696B1 (en) * 1999-03-15 2003-06-17 Cisco Systems, Inc. Multi-adaptation for a voice packet based
US6636505B1 (en) * 1999-05-28 2003-10-21 3Com Corporation Method for service provisioning a broadband modem
US6654463B1 (en) * 1999-05-28 2003-11-25 3Com Corporation Round trip delay estimator and compensator for the echo canceller
US6771772B1 (en) * 1999-07-09 2004-08-03 Oguz Tanrikulu Method and apparatus for fast network bulk delay and span estimation for line echo cancellation
US6683859B1 (en) * 1999-11-12 2004-01-27 Motorola, Inc. Method and apparatus for echo cancellation updates in a multicarrier transceiver system
ATE408933T1 (de) 2000-01-25 2008-10-15 Aware Inc System und verfahren zur anwendung von einem lms verfahren zur aktualisierung eines echounterdrückers in einem adsl modem
US7460498B2 (en) * 2003-12-04 2008-12-02 Adtran, Inc. System and method for detecting anomalies along telecommunication lines
JP5125690B2 (ja) * 2008-03-31 2013-01-23 ヤマハ株式会社 音響エコー除去装置
KR101072262B1 (ko) 2009-02-03 2011-10-12 명지대학교 산학협력단 직류 전압 인가에 의한 산화아연 나노선의 전자방출능력 향상방법 및 산화아연 나노선을 사용한 디바이스의 전자방출능력 향상방법

Also Published As

Publication number Publication date
US20050141441A1 (en) 2005-06-30
CA2396162A1 (en) 2001-08-02
EP1250766A1 (de) 2002-10-23
US20010040875A1 (en) 2001-11-15
US8391191B2 (en) 2013-03-05
DE60135828D1 (de) 2008-10-30
EP2267913A3 (de) 2012-10-10
US9065886B2 (en) 2015-06-23
US20140140499A1 (en) 2014-05-22
KR20020069265A (ko) 2002-08-29
US8649305B2 (en) 2014-02-11
WO2001056184A1 (en) 2001-08-02
AU3294301A (en) 2001-08-07
EP2267913A2 (de) 2010-12-29
JP2003521194A (ja) 2003-07-08
EP1250766B1 (de) 2008-09-17
EP1995884A1 (de) 2008-11-26
US20130163749A1 (en) 2013-06-27
US20100296663A1 (en) 2010-11-25
US20060215587A1 (en) 2006-09-28
US20150288808A1 (en) 2015-10-08
KR20100034063A (ko) 2010-03-31
AU783527B2 (en) 2005-11-03

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties
REN Ceased due to non-payment of the annual fee