CA928800A - Digital adaptive equalizer system - Google Patents

Digital adaptive equalizer system

Info

Publication number
CA928800A
CA928800A CA106993A CA106993A CA928800A CA 928800 A CA928800 A CA 928800A CA 106993 A CA106993 A CA 106993A CA 106993 A CA106993 A CA 106993A CA 928800 A CA928800 A CA 928800A
Authority
CA
Canada
Prior art keywords
adaptive equalizer
digital adaptive
equalizer system
digital
equalizer
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
Application number
CA106993A
Other languages
English (en)
Inventor
H. P. Olszanski Henry
Lender Adam
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.)
GTE Automatic Electric Laboratories Inc
Original Assignee
GTE Automatic Electric Laboratories 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 GTE Automatic Electric Laboratories Inc filed Critical GTE Automatic Electric Laboratories Inc
Application granted granted Critical
Publication of CA928800A publication Critical patent/CA928800A/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
CA106993A 1970-04-01 1971-03-05 Digital adaptive equalizer system Expired CA928800A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2479170A 1970-04-01 1970-04-01

Publications (1)

Publication Number Publication Date
CA928800A true CA928800A (en) 1973-06-19

Family

ID=21822409

Family Applications (1)

Application Number Title Priority Date Filing Date
CA106993A Expired CA928800A (en) 1970-04-01 1971-03-05 Digital adaptive equalizer system

Country Status (5)

Country Link
US (1) US3633105A (enExample)
BE (1) BE764857A (enExample)
CA (1) CA928800A (enExample)
DE (1) DE2115495A1 (enExample)
FR (1) FR2089035A5 (enExample)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL166592C (nl) * 1970-07-25 1981-08-17 Philips Nv Transmissiestelsel voor informatie-overdracht bij zeer lage signaal-ruisverhoudingen.
US3736511A (en) * 1971-06-11 1973-05-29 North American Rockwell Automatic decision threshold adjustment
DE2163831C3 (de) * 1971-12-22 1982-01-28 Rockwell International Corp., 90245 El Segundo, Calif. Empfänger für auf dem Übertragungsweg verformte Impulssignale
US4044241A (en) * 1972-01-12 1977-08-23 Esl Incorporated Adaptive matched digital filter
FR2229336A5 (enExample) * 1973-05-11 1974-12-06 Trt Telecom Radio Electr
US3935538A (en) * 1973-09-22 1976-01-27 Robert Bosch G.M.B.H. Digital frequency-control circuit
FR2275936A1 (fr) * 1974-06-21 1976-01-16 Ibm France Filtre frequentiel numerique
NL176211C (nl) * 1974-09-16 1985-03-01 Philips Nv Interpolerend digitaal filter.
NL168669C (nl) * 1974-09-16 1982-04-16 Philips Nv Interpolerend digitaal filter met ingangsbuffer.
US3992616A (en) * 1975-06-24 1976-11-16 Honeywell Inc. Receiver equalizer apparatus
US4035625A (en) * 1975-07-31 1977-07-12 Milgo Electronic Corporation Method and apparatus for performing binary equalization in voice-band phase-modulation modems
US4038539A (en) * 1976-02-23 1977-07-26 American Electronic Laboratories, Inc. Adaptive pulse processing means and method
US4093989A (en) * 1976-12-03 1978-06-06 Rockland Systems Corporation Spectrum analyzer using digital filters
US4246642A (en) * 1979-01-22 1981-01-20 Ricoh Company, Ltd. Leaky digital integrator
US4237554A (en) * 1979-03-01 1980-12-02 Bell Telephone Laboratories, Incorporated Coefficient tap leakage for fractionally-spaced equalizers
NL7905577A (nl) * 1979-07-18 1981-01-20 Philips Nv Inrichting met een niet-recursieffilter.
DE3173567D1 (de) * 1980-09-24 1986-03-06 Toshiba Kk Transversal equalizer
US4381561A (en) * 1980-10-23 1983-04-26 International Telephone And Telegraph Corporation All digital LSI line circuit for analog lines
US4377858A (en) * 1980-10-23 1983-03-22 International Telephone And Telegraph Corporation Digital two-to-four wire converter for full duplex signals
US4351060A (en) * 1980-10-23 1982-09-21 International Telephone And Telegraph Corporation Automatic, digitally synthesized matching line terminating impedance
US4438521A (en) 1982-06-07 1984-03-20 Rca Corporation Automatically adaptive transversal filter
US4468786A (en) * 1982-09-21 1984-08-28 Harris Corporation Nonlinear equalizer for correcting intersymbol interference in a digital data transmission system
IT1212993B (it) * 1983-08-11 1989-12-07 Sip Equalizzatore adattivo per segnali numerici soggetti a distorsioni variabili nel tempo
US4773034A (en) * 1985-05-09 1988-09-20 American Telephone And Telegraph Company Adaptive equalizer utilizing a plurality of multiplier-accumulator devices
US4873646A (en) * 1985-07-15 1989-10-10 Tektronix, Inc. Digital Correction of linear system distortion
US4814875A (en) * 1985-10-17 1989-03-21 Ampex Corporation Digital envelope shaping apparatus
CA2024997A1 (en) * 1990-03-06 1991-09-07 David J. Pope Adaptive equalisers
JP3169646B2 (ja) * 1991-09-25 2001-05-28 日本電気株式会社 交差偏波干渉補償器
JPH0629788A (ja) * 1992-04-15 1994-02-04 Matsushita Electric Ind Co Ltd 自動等化装置
DE4236272A1 (de) * 1992-10-27 1994-04-28 Siemens Ag Echokompensationsvorrichtung und 4/2-Drahtschnittstelle mit einer solchen Echokompensationsvorrichtung
US5307375A (en) * 1992-11-19 1994-04-26 General Instrument Corporation Two stage accumulator for use in updating coefficients
US5367476A (en) * 1993-03-16 1994-11-22 Dsc Communications Corporation Finite impulse response digital filter
US6108681A (en) * 1998-02-27 2000-08-22 Philips Electronics North America Corporation System for sharing resources in a digital filter
US6330660B1 (en) * 1999-10-25 2001-12-11 Vxtel, Inc. Method and apparatus for saturated multiplication and accumulation in an application specific signal processor
US6741636B1 (en) 2000-06-27 2004-05-25 Lockheed Martin Corporation System and method for converting data into a noise-like waveform
JP2004032679A (ja) * 2002-02-28 2004-01-29 Matsushita Electric Ind Co Ltd 通信装置及び通信システム
KR102718858B1 (ko) * 2020-08-26 2024-10-17 삼성전자주식회사 저전력 입출력을 위한 송신기, 수신기 및 이를 포함하는 메모리 시스템

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524169A (en) * 1967-06-05 1970-08-11 North American Rockwell Impulse response correction system
US3579109A (en) * 1969-04-02 1971-05-18 Gen Dynamics Corp Automatic equalizer for digital data transmission systems

Also Published As

Publication number Publication date
DE2115495A1 (de) 1971-10-14
FR2089035A5 (enExample) 1972-01-07
US3633105A (en) 1972-01-04
BE764857A (fr) 1971-09-27

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