IL130122A0 - Method for adaptive filter adjustment in a QAM/CAP system - Google Patents

Method for adaptive filter adjustment in a QAM/CAP system

Info

Publication number
IL130122A0
IL130122A0 IL13012299A IL13012299A IL130122A0 IL 130122 A0 IL130122 A0 IL 130122A0 IL 13012299 A IL13012299 A IL 13012299A IL 13012299 A IL13012299 A IL 13012299A IL 130122 A0 IL130122 A0 IL 130122A0
Authority
IL
Israel
Prior art keywords
qam
adaptive filter
cap system
filter adjustment
adjustment
Prior art date
Application number
IL13012299A
Other languages
English (en)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of IL130122A0 publication Critical patent/IL130122A0/xx

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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
    • H04L25/4919—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using balanced multilevel codes
    • H04L25/4921—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using balanced multilevel codes using quadrature encoding, e.g. carrierless amplitude-phase coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
IL13012299A 1998-06-04 1999-05-25 Method for adaptive filter adjustment in a QAM/CAP system IL130122A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98110218A EP0963085A1 (fr) 1998-06-04 1998-06-04 Procédé de réglage des filtres adaptifs dans un système MAQ/CAP

Publications (1)

Publication Number Publication Date
IL130122A0 true IL130122A0 (en) 2000-06-01

Family

ID=8232059

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13012299A IL130122A0 (en) 1998-06-04 1999-05-25 Method for adaptive filter adjustment in a QAM/CAP system

Country Status (4)

Country Link
US (1) US6381623B1 (fr)
EP (1) EP0963085A1 (fr)
JP (1) JP2000059456A (fr)
IL (1) IL130122A0 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007537666A (ja) * 2004-05-12 2007-12-20 トムソン ライセンシング イコライザエラー信号のためのコンステレーション位置依存ステップサイズ
KR20070014165A (ko) * 2004-05-12 2007-01-31 톰슨 라이센싱 잡음 전력 추정치에 기반한 등화기 동기 검출기
US8144759B2 (en) * 2007-05-04 2012-03-27 University Of Central Florida Research Foundation, Inc. Adaptive methods employing optimal convergence factors for processing complex signals and systems

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9511568D0 (en) * 1995-06-07 1995-08-02 Discovision Ass Signal processing apparatus and method
US5793807A (en) * 1996-05-07 1998-08-11 Lucent Technologies Inc. Multimodulus blind eqalization using piecewise linear contours
US5835731A (en) * 1996-09-18 1998-11-10 Lucent Technologies Inc. Technique for improving the blind convergence of a two-filter adaptive equalizer
US5809074A (en) * 1996-11-08 1998-09-15 Lucent Technologies Inc. Technique for improving the blind convergence of an adaptive equalizer using a transition algorithm
US6075816A (en) * 1996-11-27 2000-06-13 Lucent Technologies, Inc. Windowing technique for blind equalization
US6252903B1 (en) * 1998-07-02 2001-06-26 Lucent Technologies Inc. Blind start-up of a dual mode CAP-QAM receiver

Also Published As

Publication number Publication date
EP0963085A1 (fr) 1999-12-08
US6381623B1 (en) 2002-04-30
JP2000059456A (ja) 2000-02-25

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