FI971664L - Kaiunpoistojärjestelmä ja -menetelmä sekä matkaviestin - Google Patents

Kaiunpoistojärjestelmä ja -menetelmä sekä matkaviestin Download PDF

Info

Publication number: FI971664L
Authority: FI; Finland
Prior art keywords: mobile station; echo cancellation; cancellation system; echo; station
Prior art date: 1997-04-18

Application number

FI971664A

Other languages

English (en)

Swedish (sv)

Other versions

FI104524B (fi

FI971664A0 (fi

Inventor

Jorma Maekinen

Antti Vaehaetalo

Original Assignee

Nokia Mobile Phones Ltd

Nokia Telecommunications Oy

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.)

1997-04-18

Filing date

1997-04-18

Publication date

1998-10-19

1997-04-18 Application filed by Nokia Mobile Phones Ltd, Nokia Telecommunications Oy filed Critical Nokia Mobile Phones Ltd

1997-04-18 Priority to FI971664A priority Critical patent/FI104524B/fi

1997-04-18 Publication of FI971664A0 publication Critical patent/FI971664A0/fi

1998-04-16 Priority to US09/061,623 priority patent/US6163609A/en

1998-04-17 Priority to EP98302979A priority patent/EP0872962B1/en

1998-04-17 Priority to DE69836240T priority patent/DE69836240T2/de

1998-04-17 Priority to AT98302979T priority patent/ATE343874T1/de

1998-04-20 Priority to JP10988198A priority patent/JP3679245B2/ja

1998-10-19 Publication of FI971664L publication Critical patent/FI971664L/fi

2000-02-15 Application granted granted Critical

2000-02-15 Publication of FI104524B publication Critical patent/FI104524B/fi

Classifications

- 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)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Telephone Function (AREA)
Mobile Radio Communication Systems (AREA)

FI971664A 1997-04-18 1997-04-18 Kaiunpoistojärjestelmä ja -menetelmä sekä matkaviestin FI104524B (fi)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
FI971664A FI104524B (fi)	1997-04-18	1997-04-18	Kaiunpoistojärjestelmä ja -menetelmä sekä matkaviestin
US09/061,623 US6163609A (en)	1997-04-18	1998-04-16	System and method for echo cancelling and mobile communications device
EP98302979A EP0872962B1 (en)	1997-04-18	1998-04-17	Echo cancelling using foreground and background filters
DE69836240T DE69836240T2 (de)	1997-04-18	1998-04-17	Echounterdrückung unter Verwendung von Vordergrund- und Hintergrundfiltern
AT98302979T ATE343874T1 (de)	1997-04-18	1998-04-17	Echounterdrückung unter verwendung von vordergrund- und hintergrundfiltern
JP10988198A JP3679245B2 (ja)	1997-04-18	1998-04-20	エコー消去システム及び方法、並びに移動通信装置

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI971664		1997-04-18
FI971664A FI104524B (fi)	1997-04-18	1997-04-18	Kaiunpoistojärjestelmä ja -menetelmä sekä matkaviestin

Publications (3)

Publication Number	Publication Date
FI971664A0 FI971664A0 (fi)	1997-04-18
FI971664L true FI971664L (fi)	1998-10-19
FI104524B FI104524B (fi)	2000-02-15

Family

ID=8548674

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI971664A FI104524B (fi)	1997-04-18	1997-04-18	Kaiunpoistojärjestelmä ja -menetelmä sekä matkaviestin

Country Status (6)

Country	Link
US (1)	US6163609A (fi)
EP (1)	EP0872962B1 (fi)
JP (1)	JP3679245B2 (fi)
AT (1)	ATE343874T1 (fi)
DE (1)	DE69836240T2 (fi)
FI (1)	FI104524B (fi)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19935808A1 (de) *	1999-07-29	2001-02-08	Ericsson Telefon Ab L M	Echounterdrückungseinrichtung zum Unterdrücken von Echos in einer Sender/Empfänger-Einheit
US7068780B1 (en) *	2000-08-30	2006-06-27	Conexant, Inc.	Hybrid echo canceller
US6957240B2 (en)	2001-08-08	2005-10-18	Octasic Inc.	Method and apparatus for providing an error characterization estimate of an impulse response derived using least squares
US6965640B2 (en)	2001-08-08	2005-11-15	Octasic Inc.	Method and apparatus for generating a set of filter coefficients providing adaptive noise reduction
US6970896B2 (en)	2001-08-08	2005-11-29	Octasic Inc.	Method and apparatus for generating a set of filter coefficients
US6999509B2 (en)	2001-08-08	2006-02-14	Octasic Inc.	Method and apparatus for generating a set of filter coefficients for a time updated adaptive filter
GB2389286A (en) *	2002-05-28	2003-12-03	Mitel Knowledge Corp	Echo cancellation
US7388954B2 (en)	2002-06-24	2008-06-17	Freescale Semiconductor, Inc.	Method and apparatus for tone indication
US6961423B2 (en) *	2002-06-24	2005-11-01	Freescale Semiconductor, Inc.	Method and apparatus for performing adaptive filtering
US7242762B2 (en)	2002-06-24	2007-07-10	Freescale Semiconductor, Inc.	Monitoring and control of an adaptive filter in a communication system
US7215765B2 (en)	2002-06-24	2007-05-08	Freescale Semiconductor, Inc.	Method and apparatus for pure delay estimation in a communication system
GB2395878A (en) *	2002-11-29	2004-06-02	Mitel Knowledge Corp	Method of capturing constant echo path information using default coefficients
US6947549B2 (en) *	2003-02-19	2005-09-20	The Hong Kong Polytechnic University	Echo canceller
DE10329055B4 (de) *	2003-06-27	2005-10-13	Infineon Technologies Ag	Verfahren und Vorrichtung zur Echokompensation
KR20060130067A (ko) *	2003-12-10	2006-12-18	코닌클리케 필립스 일렉트로닉스 엔.브이.	개별 갱신 제어 전략을 갖는 직렬 배치의 적응 필터들을구비한 에코 제거기
US7596220B2 (en) *	2004-12-30	2009-09-29	Alcatel Lucent	Echo cancellation using adaptive IIR and FIR filters
US7536007B2 (en) *	2004-12-30	2009-05-19	Alcatel Lucent	Echo cancellation using adaptive IIR and FIR filters
GB2427332B (en) *	2005-06-16	2007-05-16	Trinity Convergence Inc	Systems and methods for adaptive echo cancellation
US8335311B2 (en) *	2005-07-28	2012-12-18	Kabushiki Kaisha Toshiba	Communication apparatus capable of echo cancellation
US8014516B2 (en) *	2006-01-27	2011-09-06	Mediatek Inc.	Method and apparatus for echo cancellation
US8437757B2 (en) *	2006-06-30	2013-05-07	Nokia Corporation	Systems for providing peer-to-peer communications
US8170224B2 (en) *	2008-09-22	2012-05-01	Magor Communications Corporation	Wideband speakerphone
JP5373473B2 (ja) *	2009-05-11	2013-12-18	株式会社エー・アール・アイ	音声抽出装置
SE533956C2 (sv) *	2009-07-20	2011-03-15	Limes Audio Ab	Enhet och metod för styrning av restekodämpning
EP2512040B1 (en) *	2011-04-14	2013-11-13	Alcatel Lucent	A computation saving echo canceller for a wide band audio signal
US9479650B1 (en)	2015-05-04	2016-10-25	Captioncall, Llc	Methods and devices for updating filter coefficients during echo cancellation
KR102266780B1 (ko) *	2019-07-04	2021-06-18	한양대학교 산학협력단	음성 통신 환경에서 발생하는 클리핑 현상 완화 및 마이크 입력 신호, 에러 신호 및 원단 신호의 상관관계를 이용한 음성 왜곡 감소 업데이트 방법 및 장치
US12231602B2 (en) *	2021-08-04	2025-02-18	Nokia Technologies Oy	Apparatus, methods and computer programs for performing acoustic echo cancellation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8423017D0 (en) *	1984-09-12	1984-10-17	Plessey Co Plc	Echo canceller
AU4695485A (en) *	1984-09-21	1986-03-27	Alcatel N.V.	Digital hybrid
US5307405A (en) *	1992-09-25	1994-04-26	Qualcomm Incorporated	Network echo canceller
JP2538176B2 (ja) *	1993-05-28	1996-09-25	松下電器産業株式会社	エコ―制御装置
FI108830B (fi) *	1993-12-23	2002-03-28	Nokia Corp	Menetelmä ja laite kaiun vaimentamiseksi puhelinlaitteessa
US5664011A (en) *	1995-08-25	1997-09-02	Lucent Technologies Inc.	Echo canceller with adaptive and non-adaptive filters
SE505150C3 (sv) *	1995-10-18	1997-08-04	Ericsson Telefon Ab L M	Adaptivt ekoslaeckningsfoerfarande av dubbelfiltertyp

1997
- 1997-04-18 FI FI971664A patent/FI104524B/fi not_active IP Right Cessation
1998
- 1998-04-16 US US09/061,623 patent/US6163609A/en not_active Expired - Lifetime
- 1998-04-17 AT AT98302979T patent/ATE343874T1/de not_active IP Right Cessation
- 1998-04-17 EP EP98302979A patent/EP0872962B1/en not_active Expired - Lifetime
- 1998-04-17 DE DE69836240T patent/DE69836240T2/de not_active Expired - Lifetime
- 1998-04-20 JP JP10988198A patent/JP3679245B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US6163609A (en)	2000-12-19
EP0872962B1 (en)	2006-10-25
DE69836240T2 (de)	2007-02-08
FI104524B (fi)	2000-02-15
DE69836240D1 (de)	2006-12-07
JP3679245B2 (ja)	2005-08-03
EP0872962A3 (en)	2004-12-08
JPH10341190A (ja)	1998-12-22
ATE343874T1 (de)	2006-11-15
EP0872962A2 (en)	1998-10-21
FI971664A0 (fi)	1997-04-18

Publication	Publication Date	Title
FI971664L (fi)	1998-10-19	Kaiunpoistojärjestelmä ja -menetelmä sekä matkaviestin
DE69630759D1 (de)	2003-12-24	Mobilstationsortungsverfahren und System und Mobilstation dafür
FI971844A7 (fi)	1998-10-31	Järjestelmä ja menetelmä puhelun välittämiseksi sekä matkaviestin
FI961082A0 (fi)	1996-03-07	Matkaviestin
DE69729703T2 (de)	2004-10-21	Mobile station
EE200000397A (et)	2002-02-15	Meetod ja seade parandatud kajasummutamiseks kommunikatsioonisüsteemides
FI971372A0 (fi)	1997-04-03	Matkapuhelinjärjestelmä
AU8287298A (en)	1999-02-10	Mobile station locating system and method
DE69730238D1 (de)	2004-09-16	Kommunikationssystem und -verfahren
FI971477A7 (fi)	1998-10-10	Häiriöiden vähentäminen matkaviestinjärjestelmässä
NO975041D0 (no)	1997-10-31	Celledelt radio-lokaliseringssystem
DE69532597D1 (de)	2004-04-01	Mobiles Kommunikationssystem und Verfahren hierfür
FI963936A7 (fi)	1998-04-03	Järjestelmä puhelun välittämiseksi sekä matkaviestin
NO981980D0 (no)	1998-04-30	Cellulµrt telefonsystem
ATA911897A (de)	2002-02-15	Mobiltelephon-station
DE69800431D1 (de)	2001-01-25	Verbessertes Antennensystem und Verfahren hierfür
DE69635606D1 (de)	2006-01-26	Relaissender
DE69738954D1 (de)	2008-10-16	Kommunikationsverfahren und -system
DE69630755D1 (de)	2003-12-24	Funkstation
KR960009506A (ko)	1996-03-22	통신 시스템 및 호출 신호 제공방법
NO972745D0 (no)	1997-06-13	Celledelt mobilstasjonssystem
DE69940458D1 (de)	2009-04-09	Kommunikationsverfahren und -system
FI981091A7 (fi)	1999-11-16	Menetelmä ja laitteisto kaiun poistamiseksi digitaalisessa matkaviestinjärjestelmässä
DE69531977D1 (de)	2003-11-27	Mobilkommunikationssystem
NO980264D0 (no)	1998-01-20	Mobiltelefonsystem

Legal Events

Date	Code	Title	Description
2012-05-11	PC	Transfer of assignment of patent	Owner name: 2011 INTELLECTUAL PROPERTY ASSET TRUST
2012-05-22	PC	Transfer of assignment of patent	Owner name: CORE WIRELESS LICENSING S.A.R.L.
2016-11-25	MM	Patent lapsed