IT1118625B - Perfezionamenti agli equializzatori per trasmissione di segnali numeri ci - Google Patents

Perfezionamenti agli equializzatori per trasmissione di segnali numeri ci

Info

Publication number
IT1118625B
IT1118625B IT67999/79A IT6799979A IT1118625B IT 1118625 B IT1118625 B IT 1118625B IT 67999/79 A IT67999/79 A IT 67999/79A IT 6799979 A IT6799979 A IT 6799979A IT 1118625 B IT1118625 B IT 1118625B
Authority
IT
Italy
Prior art keywords
equalizers
transmission
number signals
signals
Prior art date
Application number
IT67999/79A
Other languages
English (en)
Other versions
IT7967999A0 (it
Inventor
Giovanni Tamburelli
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT67999/79A priority Critical patent/IT1118625B/it
Publication of IT7967999A0 publication Critical patent/IT7967999A0/it
Priority to US06/148,237 priority patent/US4288872A/en
Application granted granted Critical
Publication of IT1118625B publication Critical patent/IT1118625B/it

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
    • H04L25/03114—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
    • H04L25/03133—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals with a non-recursive structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—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
    • H04L25/03025—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception using a two-tap delay line

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
IT67999/79A 1979-05-11 1979-05-11 Perfezionamenti agli equializzatori per trasmissione di segnali numeri ci IT1118625B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT67999/79A IT1118625B (it) 1979-05-11 1979-05-11 Perfezionamenti agli equializzatori per trasmissione di segnali numeri ci
US06/148,237 US4288872A (en) 1979-05-11 1980-05-09 Equalizer for the correction of digital signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67999/79A IT1118625B (it) 1979-05-11 1979-05-11 Perfezionamenti agli equializzatori per trasmissione di segnali numeri ci

Publications (2)

Publication Number Publication Date
IT7967999A0 IT7967999A0 (it) 1979-05-11
IT1118625B true IT1118625B (it) 1986-03-03

Family

ID=11307072

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67999/79A IT1118625B (it) 1979-05-11 1979-05-11 Perfezionamenti agli equializzatori per trasmissione di segnali numeri ci

Country Status (2)

Country Link
US (1) US4288872A (it)
IT (1) IT1118625B (it)

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JPS57116410A (en) * 1981-01-13 1982-07-20 Kokusai Denshin Denwa Co Ltd <Kdd> Karman type equalizer
US4412341A (en) * 1981-11-18 1983-10-25 Bell Telephone Laboratories, Incorporated Interference cancellation method and apparatus
IT1154430B (it) * 1982-01-15 1987-01-21 Cselt Centro Studi Lab Telecom Equalizzatore per tramissione di segnali numerici
US4528676A (en) * 1982-06-14 1985-07-09 Northern Telecom Limited Echo cancellation circuit using stored, derived error map
US4547888A (en) * 1982-07-28 1985-10-15 Motorola, Inc. Recursive adaptive equalizer for SMSK data links
IT1159580B (it) * 1983-05-05 1987-03-04 Cselt Centro Studi Lab Telecom Perfezionamenti agli equalizzatori per la correzione di segnali numerici con un ramo di post decisione e un ramo di pre decisione in parallelo
CA1219338A (en) * 1983-07-27 1987-03-17 Rca Corporation Signal processing circuit
US4587448A (en) * 1983-07-27 1986-05-06 Rca Corporation Signal transition detection circuit
US4553042A (en) * 1983-07-27 1985-11-12 Rca Corporation Signal transition enhancement circuit
JPS60171464A (ja) * 1984-02-17 1985-09-04 Yaskawa Electric Mfg Co Ltd モータまたはモータで駆動される移動体の速度検出方式
US4615038A (en) * 1984-06-06 1986-09-30 At&T Information Systems Inc. Equalization of modulated data signals utilizing tentative and final decisions and replication of non-linear channel distortion
US4626894A (en) * 1984-10-04 1986-12-02 Rca Corporation Signal filtering system having adaptively cascaded filter stages for developing a variable bandwidth frequency characteristic
DE3627676A1 (de) * 1986-08-14 1988-02-25 Blaupunkt Werke Gmbh Filteranordnung
NL8700125A (nl) * 1987-01-20 1988-08-16 Philips Nv Inrichting voor het bestrijden van intersymboolinterferentie en ruis.
US4789994A (en) * 1987-08-12 1988-12-06 American Telephone And Telegraph Company, At&T Bell Laboratories Adaptive equalizer using precursor error signal for convergence control
SE468920B (sv) * 1987-10-23 1993-04-05 Ericsson Telefon Ab L M Adaptiv utjaemnare ingaaende i mottagaren foer ett datatransmissionsmedium
EP0360904B1 (de) * 1988-09-29 1994-08-24 Siemens Aktiengesellschaft Schaltungsanordnung zum Entzerren von in analoger Form empfangener Digitalsignale
US5031194A (en) * 1989-08-11 1991-07-09 Bell Communications Research, Inc. Wideband digital equalizers for subscriber loops
SE9700836L (sv) * 1997-03-10 1998-09-07 Abb Research Ltd Anordning för avkänning av elektriska urladdningar i ett provobjekt med två elektriska anslutningsledare
WO1998047948A1 (en) * 1997-04-18 1998-10-29 California Institute Of Technology Multifunctional polymeric tissue coatings
US7173551B2 (en) 2000-12-21 2007-02-06 Quellan, Inc. Increasing data throughput in optical fiber transmission systems
US7149256B2 (en) 2001-03-29 2006-12-12 Quellan, Inc. Multilevel pulse position modulation for efficient fiber optic communication
US7307569B2 (en) 2001-03-29 2007-12-11 Quellan, Inc. Increasing data throughput in optical fiber transmission systems
EP1384338B1 (en) 2001-04-04 2010-12-15 Quellan, Inc. Method and system for decoding multilevel signals
US20030063663A1 (en) * 2001-10-01 2003-04-03 Bryant Paul Henry Multistage equalizer that corrects for linear and nonlinear distortion in a digitally-modulated signal
US20030067990A1 (en) * 2001-10-01 2003-04-10 Bryant Paul Henry Peak to average power ratio reduction in a digitally-modulated signal
AU2003211094A1 (en) 2002-02-15 2003-09-09 Quellan, Inc. Multi-level signal clock recovery technique
AU2003256569A1 (en) 2002-07-15 2004-02-02 Quellan, Inc. Adaptive noise filtering and equalization
AU2003287628A1 (en) 2002-11-12 2004-06-03 Quellan, Inc. High-speed analog-to-digital conversion with improved robustness to timing uncertainty
WO2004088857A2 (en) * 2003-03-26 2004-10-14 Quellan, Inc. Method and system for equalizing communication signals
JP2004348929A (ja) * 2003-05-26 2004-12-09 Sony Corp 信号処理装置及び信号処理方法
GB2421674B (en) 2003-08-07 2006-11-15 Quellan Inc Method and system for crosstalk cancellation
US7804760B2 (en) 2003-08-07 2010-09-28 Quellan, Inc. Method and system for signal emulation
EP1687929B1 (en) 2003-11-17 2010-11-10 Quellan, Inc. Method and system for antenna interference cancellation
US7616700B2 (en) 2003-12-22 2009-11-10 Quellan, Inc. Method and system for slicing a communication signal
US7725079B2 (en) 2004-12-14 2010-05-25 Quellan, Inc. Method and system for automatic control in an interference cancellation device
US7522883B2 (en) 2004-12-14 2009-04-21 Quellan, Inc. Method and system for reducing signal interference
US9252983B2 (en) 2006-04-26 2016-02-02 Intersil Americas LLC Method and system for reducing radiated emissions from a communications channel
US8041757B2 (en) 2006-09-29 2011-10-18 Netlogic Microsystems, Inc. Low power and low complexity adaptive self-linearization
EP2067252B1 (en) * 2006-09-29 2017-09-06 Avago Technologies General IP (Singapore) Pte. Ltd. Adaptive self-linearization
US8370113B2 (en) 2006-09-29 2013-02-05 Netlogic Microsystems, Inc. Low-power and low-cost adaptive self-linearization system with fast convergence
US8032336B2 (en) 2006-09-29 2011-10-04 Netlogic Microsystems, Inc. Distortion cancellation using adaptive linearization

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL169535C (nl) * 1974-11-14 1982-07-16 Philips Nv Digitale signaalbewerkingsinrichting met gestuurde kwantisering.
US4020333A (en) * 1975-05-06 1977-04-26 International Business Machines Corporation Digital filter for filtering complex signals
DE2727874C3 (de) * 1976-06-25 1979-07-12 Cselt-Centro Studi E Laboratori Telecomunicazioni S.P.A., Turin (Italien) Verfahren und Entzerrer für die nichtlineare Entzerrung von digitalen Signalen

Also Published As

Publication number Publication date
US4288872A (en) 1981-09-08
IT7967999A0 (it) 1979-05-11

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950419