CA2318929A1 - Stable adaptive filter and method - Google Patents

Stable adaptive filter and method Download PDF

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Publication number
CA2318929A1
CA2318929A1 CA002318929A CA2318929A CA2318929A1 CA 2318929 A1 CA2318929 A1 CA 2318929A1 CA 002318929 A CA002318929 A CA 002318929A CA 2318929 A CA2318929 A CA 2318929A CA 2318929 A1 CA2318929 A1 CA 2318929A1
Authority
CA
Canada
Prior art keywords
adaptive filter
step size
linear equations
solving
calculator
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.)
Abandoned
Application number
CA002318929A
Other languages
English (en)
French (fr)
Inventor
Heping Ding
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.)
Nortel Networks Ltd
Original Assignee
Individual
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
Priority claimed from US09/218,428 external-priority patent/US6754340B1/en
Application filed by Individual filed Critical Individual
Publication of CA2318929A1 publication Critical patent/CA2318929A1/en
Abandoned legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H03H21/0043—Adaptive algorithms
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H03H21/0043—Adaptive algorithms
    • H03H2021/0049—Recursive least squares algorithm
    • H03H2021/0052—Recursive least squares algorithm combined with stochastic gradient algorithm
    • H03H2021/0054—Affine projection

Landscapes

  • Filters That Use Time-Delay Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CA002318929A 1998-12-22 1999-11-10 Stable adaptive filter and method Abandoned CA2318929A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/218,428 US6754340B1 (en) 1998-12-22 1998-12-22 Stable adaptive filter and method
US09/218,428 1998-12-22
US09/356,041 1999-07-16
US09/356,041 US6788785B1 (en) 1998-12-22 1999-07-16 Stable adaptive filter and method
PCT/CA1999/001068 WO2000038319A1 (en) 1998-12-22 1999-11-10 Stable adaptive filter and method

Publications (1)

Publication Number Publication Date
CA2318929A1 true CA2318929A1 (en) 2000-06-29

Family

ID=26912898

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002318929A Abandoned CA2318929A1 (en) 1998-12-22 1999-11-10 Stable adaptive filter and method

Country Status (4)

Country Link
EP (1) EP1057259A1 (ja)
JP (1) JP2002533970A (ja)
CA (1) CA2318929A1 (ja)
WO (1) WO2000038319A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2371191B (en) * 2001-01-11 2005-06-15 Mitel Corp Double-talk and path change detection using a matrix of correlation coefficients
DE10329055B4 (de) * 2003-06-27 2005-10-13 Infineon Technologies Ag Verfahren und Vorrichtung zur Echokompensation
US7436880B2 (en) * 2004-08-17 2008-10-14 National Research Council Of Canada Adaptive filtering using fast affine projection adaptation
US9679260B2 (en) * 2014-03-20 2017-06-13 Huawei Technologies Co., Ltd. System and method for adaptive filter
CN106209023B (zh) * 2016-07-28 2018-06-26 苏州大学 基于数据重用的非负自适应滤波方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69432100T2 (de) * 1993-11-05 2003-09-25 Ntt Mobile Communications Network Inc., Tokio/Tokyo Replikherstellendes adaptives demodulationsverfahren und dieses verwendender demodulator
US5568411A (en) * 1994-07-25 1996-10-22 National Semiconductor Corporation Method and apparatus for using polarity-coincidence correlators in LMS adaptive filters
JP2685031B2 (ja) * 1995-06-30 1997-12-03 日本電気株式会社 雑音消去方法及び雑音消去装置

Also Published As

Publication number Publication date
WO2000038319A1 (en) 2000-06-29
EP1057259A1 (en) 2000-12-06
JP2002533970A (ja) 2002-10-08

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