DE60333994D1 - Zeitverzögerungsschätzung für die entzerrung - Google Patents

Zeitverzögerungsschätzung für die entzerrung

Info

Publication number
DE60333994D1
DE60333994D1 DE60333994T DE60333994T DE60333994D1 DE 60333994 D1 DE60333994 D1 DE 60333994D1 DE 60333994 T DE60333994 T DE 60333994T DE 60333994 T DE60333994 T DE 60333994T DE 60333994 D1 DE60333994 D1 DE 60333994D1
Authority
DE
Germany
Prior art keywords
output signals
signal
cross
lag
indicative
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 - Lifetime
Application number
DE60333994T
Other languages
English (en)
Inventor
Fabian Lis
Haim Primo
Joshua Kablotsky
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.)
Analog Devices Inc
Original Assignee
Analog Devices 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 Analog Devices Inc filed Critical Analog Devices Inc
Application granted granted Critical
Publication of DE60333994D1 publication Critical patent/DE60333994D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • H04L25/0214—Channel estimation of impulse response of a single coefficient
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Control Of Electric Motors In General (AREA)
  • Networks Using Active Elements (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE60333994T 2002-05-23 2003-05-23 Zeitverzögerungsschätzung für die entzerrung Expired - Lifetime DE60333994D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38271702P 2002-05-23 2002-05-23
PCT/US2003/016356 WO2003101058A1 (en) 2002-05-23 2003-05-23 Time delay estimation for equalisation

Publications (1)

Publication Number Publication Date
DE60333994D1 true DE60333994D1 (de) 2010-10-14

Family

ID=29584447

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60333994T Expired - Lifetime DE60333994D1 (de) 2002-05-23 2003-05-23 Zeitverzögerungsschätzung für die entzerrung

Country Status (8)

Country Link
US (1) US7251299B2 (de)
EP (1) EP1506650B1 (de)
JP (1) JP4410098B2 (de)
CN (1) CN100571225C (de)
AT (1) ATE480080T1 (de)
AU (1) AU2003247408A1 (de)
DE (1) DE60333994D1 (de)
WO (1) WO2003101058A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7058464B2 (en) * 2003-07-17 2006-06-06 Ess Technology, Inc. Device and method for signal processing
US7103514B1 (en) * 2005-09-09 2006-09-05 International Business Machines Corporation Filter turning point detection
JP2009047831A (ja) * 2007-08-17 2009-03-05 Toshiba Corp 特徴量抽出装置、プログラムおよび特徴量抽出方法
US8571231B2 (en) * 2009-10-01 2013-10-29 Qualcomm Incorporated Suppressing noise in an audio signal
EP2493167B1 (de) * 2011-02-28 2015-07-01 2236008 Ontario Inc. Adaptiver Verzögerungsausgleich für den akustischen Echoabbruch
US20150078564A1 (en) * 2012-06-08 2015-03-19 Yongfang Guo Echo cancellation algorithm for long delayed echo

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007330A (en) * 1975-08-13 1977-02-08 Bunker Ramo Corporation Method and apparatus for demodulation of relative phase modulated binary data
US4191853A (en) * 1978-10-10 1980-03-04 Motorola Inc. Sampled data filter with time shared weighters for use as an LPC and synthesizer
US4173759A (en) * 1978-11-06 1979-11-06 Cubic Corporation Adaptive antenna array and method of operating same
FR2487144B1 (fr) * 1980-07-21 1986-10-24 Trt Telecom Radio Electr Dispositif d'annulation d'un signal d'echo composite
DE3585034D1 (de) * 1985-10-30 1992-02-06 Ibm Verfahren zur bestimmung einer flachen echopfadverzoegerung und dieses verfahren verwendender echokompensator.
JP3102221B2 (ja) * 1993-09-10 2000-10-23 三菱電機株式会社 適応等化器および適応ダイバーシチ等化器
US5572621A (en) * 1993-09-21 1996-11-05 U.S. Philips Corporation Speech signal processing device with continuous monitoring of signal-to-noise ratio
FI935834A (fi) * 1993-12-23 1995-06-24 Nokia Telecommunications Oy Menetelmä kaikukohtaan sovittautumiseksi kaiunpoistajassa
US5805584A (en) * 1996-02-23 1998-09-08 L-3 Communications Corporation Multi-user acquisition procedure for point-to-multipoint synchronous CDMA systems
US5764690A (en) * 1996-06-04 1998-06-09 Motorola, Inc. Apparatus for despreading and demodulating a burst CDMA signal
US6067295A (en) * 1997-01-13 2000-05-23 Lucent Technologies, Inc. Method and apparatus for reducing error in recovering information bits in a wireless system
JPH11261457A (ja) * 1998-03-10 1999-09-24 Hitachi Ltd 波形等化処理方法

Also Published As

Publication number Publication date
EP1506650A1 (de) 2005-02-16
US7251299B2 (en) 2007-07-31
EP1506650B1 (de) 2010-09-01
US20040037432A1 (en) 2004-02-26
CN1656757A (zh) 2005-08-17
ATE480080T1 (de) 2010-09-15
JP4410098B2 (ja) 2010-02-03
AU2003247408A1 (en) 2003-12-12
JP2005528039A (ja) 2005-09-15
WO2003101058A1 (en) 2003-12-04
CN100571225C (zh) 2009-12-16

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