DE69015693T2 - Adaptives zeitdiskretes Transversalfilter. - Google Patents

Adaptives zeitdiskretes Transversalfilter.

Info

Publication number
DE69015693T2
DE69015693T2 DE69015693T DE69015693T DE69015693T2 DE 69015693 T2 DE69015693 T2 DE 69015693T2 DE 69015693 T DE69015693 T DE 69015693T DE 69015693 T DE69015693 T DE 69015693T DE 69015693 T2 DE69015693 T2 DE 69015693T2
Authority
DE
Germany
Prior art keywords
transversal filter
adaptive time
discrete
discrete transversal
adaptive
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
DE69015693T
Other languages
English (en)
Other versions
DE69015693D1 (de
Inventor
Petrus Christianus Wilh Sommen
Valburg Christinus Johanne Van
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Application granted granted Critical
Publication of DE69015693D1 publication Critical patent/DE69015693D1/de
Publication of DE69015693T2 publication Critical patent/DE69015693T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • 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
    • 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
    • H04B3/238—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 using initial training sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE69015693T 1989-05-19 1990-05-16 Adaptives zeitdiskretes Transversalfilter. Expired - Fee Related DE69015693T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8901247A NL8901247A (nl) 1989-05-19 1989-05-19 Adaptief tijddiscreet transversaal filter.

Publications (2)

Publication Number Publication Date
DE69015693D1 DE69015693D1 (de) 1995-02-16
DE69015693T2 true DE69015693T2 (de) 1995-07-27

Family

ID=19854670

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69015693T Expired - Fee Related DE69015693T2 (de) 1989-05-19 1990-05-16 Adaptives zeitdiskretes Transversalfilter.

Country Status (5)

Country Link
US (1) US5581494A (de)
EP (1) EP0398441B1 (de)
JP (1) JPH036918A (de)
DE (1) DE69015693T2 (de)
NL (1) NL8901247A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19601405B4 (de) * 1996-01-17 2007-02-01 Deutsche Telekom Ag Verfahren und Vorrichtung zur Systemidentifikation und Echokompensation in Übertragungssystemen

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI106489B (fi) 1996-06-19 2001-02-15 Nokia Networks Oy Kaikusalpa ja kaiunpoistajan epälineaarinen prosessori
US5933797A (en) * 1997-02-28 1999-08-03 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive dual filter echo cancellation
US5909426A (en) * 1997-03-31 1999-06-01 Rockwell Science Center, Inc. Orthogonal LMS algorithms for fast line echo canceler training
US6535860B1 (en) 1999-08-02 2003-03-18 National Science Council Design and hardware synthesis of adaptive weighted fuzzy mean image filter
US8755426B1 (en) * 2012-03-15 2014-06-17 Kandou Labs, S.A. Rank-order equalization
CN109697986B (zh) * 2018-09-19 2020-12-18 四川大学 一种基于最小三次方绝对值的自适应偏差补偿回声消除方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791390A (en) * 1982-07-01 1988-12-13 Sperry Corporation MSE variable step adaptive filter
US4591669A (en) * 1984-09-26 1986-05-27 At&T Bell Laboratories Adaptive filter update gain normalization
US4939685A (en) * 1986-06-05 1990-07-03 Hughes Aircraft Company Normalized frequency domain LMS adaptive filter
US4947362A (en) * 1988-04-29 1990-08-07 Harris Semiconductor Patents, Inc. Digital filter employing parallel processing
US4989170A (en) * 1988-06-09 1991-01-29 National Semiconductor Corporation Hybrid stochastic gradient for convergence of adaptive filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19601405B4 (de) * 1996-01-17 2007-02-01 Deutsche Telekom Ag Verfahren und Vorrichtung zur Systemidentifikation und Echokompensation in Übertragungssystemen

Also Published As

Publication number Publication date
EP0398441B1 (de) 1995-01-04
US5581494A (en) 1996-12-03
JPH036918A (ja) 1991-01-14
DE69015693D1 (de) 1995-02-16
EP0398441A1 (de) 1990-11-22
NL8901247A (nl) 1990-12-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee