ID27681A - Peralatan dan metode untuk penyesuaian suatu penunda gema di dalam suatu sistem komunikasi - Google Patents

Peralatan dan metode untuk penyesuaian suatu penunda gema di dalam suatu sistem komunikasi

Info

Publication number
ID27681A
ID27681A IDW990808D ID990808D ID27681A ID 27681 A ID27681 A ID 27681A ID W990808 D IDW990808 D ID W990808D ID 990808 D ID990808 D ID 990808D ID 27681 A ID27681 A ID 27681A
Authority
ID
Indonesia
Prior art keywords
gema
delayer
adjustment
equipment
methods
Prior art date
Application number
IDW990808D
Other languages
English (en)
Inventor
Lijun Tan
Hanyu Liu
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of ID27681A publication Critical patent/ID27681A/id

Links

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
    • H04B3/237—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 two adaptive filters, e.g. for near end and for end echo cancelling
    • 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)
  • Telephonic Communication Services (AREA)
IDW990808D 1997-12-12 1998-11-13 Peralatan dan metode untuk penyesuaian suatu penunda gema di dalam suatu sistem komunikasi ID27681A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US98969297A 1997-12-12 1997-12-12

Publications (1)

Publication Number Publication Date
ID27681A true ID27681A (id) 2001-04-19

Family

ID=25535373

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW990808D ID27681A (id) 1997-12-12 1998-11-13 Peralatan dan metode untuk penyesuaian suatu penunda gema di dalam suatu sistem komunikasi

Country Status (7)

Country Link
EP (1) EP0960521A4 (id)
CN (1) CN1247664A (id)
AU (1) AU1411299A (id)
BR (1) BR9807321A (id)
CA (1) CA2279360C (id)
ID (1) ID27681A (id)
WO (1) WO1999031866A1 (id)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6480532B1 (en) * 1999-07-13 2002-11-12 Stmicroelectronics, Inc. Echo cancellation for an ADSL modem
EP1117191A1 (en) 2000-01-13 2001-07-18 Telefonaktiebolaget Lm Ericsson Echo cancelling method
EP1286509A3 (de) * 2001-08-21 2004-02-04 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Echokompensation in einem Telekommunikationsnetz
SE525053C2 (sv) * 2002-04-26 2004-11-16 Global Ip Sound Europ Ab Ekosläckning
AU2003250747A1 (en) * 2002-07-02 2004-01-23 Siemens Aktiengesellschaft Runtime-dependent switching off of the echo compensation in packet networks
JP2007502054A (ja) 2003-08-07 2007-02-01 ケラン インコーポレイテッド クロストークキャンセルのための方法とシステム
US9509854B2 (en) 2004-10-13 2016-11-29 Koninklijke Philips N.V. Echo cancellation
US10177810B2 (en) * 2016-09-02 2019-01-08 Marvell World Trade Ltd. Systems and methods for echo or interference cancellation power-saving management in a communication system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4742510A (en) * 1986-04-04 1988-05-03 Massachusetts Institute Of Technology Near and far echo canceller for data communications
JPH0650829B2 (ja) * 1986-09-16 1994-06-29 日本電気株式会社 エコ−キヤンセラ方式モデム
US4970715A (en) * 1987-03-27 1990-11-13 Universal Data Systems, Inc. Modem with improved remote echo location and cancellation
US4995030A (en) * 1988-02-01 1991-02-19 Memotec Datacom, Inc. Far end echo cancellation method and apparatus
EP0403716B1 (en) * 1989-06-22 1995-09-13 International Business Machines Corporation Echo cancelling device providing adjustment of the echo canceller coefficients during full-duplex transmission
US5280473A (en) * 1990-02-08 1994-01-18 Universal Data Systems, Inc. Modem with echo cancellation
EP0543568A2 (en) * 1991-11-22 1993-05-26 AT&T Corp. High resolution filtering using low resolution processors
US5353348A (en) * 1993-05-14 1994-10-04 Jrc International, Inc. Double echo cancelling system

Also Published As

Publication number Publication date
CA2279360C (en) 2002-10-22
CN1247664A (zh) 2000-03-15
EP0960521A1 (en) 1999-12-01
EP0960521A4 (en) 2004-08-04
BR9807321A (pt) 2000-04-18
WO1999031866A1 (en) 1999-06-24
AU1411299A (en) 1999-07-05
CA2279360A1 (en) 1999-06-24

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