DE69120594D1 - Wellenformentzerrer mit Neuronalnetzwerk - Google Patents

Wellenformentzerrer mit Neuronalnetzwerk

Info

Publication number
DE69120594D1
DE69120594D1 DE69120594T DE69120594T DE69120594D1 DE 69120594 D1 DE69120594 D1 DE 69120594D1 DE 69120594 T DE69120594 T DE 69120594T DE 69120594 T DE69120594 T DE 69120594T DE 69120594 D1 DE69120594 D1 DE 69120594D1
Authority
DE
Germany
Prior art keywords
neural network
waveform equalizer
equalizer
waveform
neural
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 - Fee Related
Application number
DE69120594T
Other languages
English (en)
Other versions
DE69120594T2 (de
Inventor
Takashi Kimoto
Kazuo Kawabata
Kazuo Asakawa
Yasuyuki Ohishi
Eisuke Fukuda
Takeshi Takano
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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
Priority claimed from JP2111194A external-priority patent/JPH048019A/ja
Priority claimed from JP11547790A external-priority patent/JPH0413316A/ja
Priority claimed from JP2115479A external-priority patent/JP2763380B2/ja
Priority claimed from JP2115478A external-priority patent/JP2763379B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69120594D1 publication Critical patent/DE69120594D1/de
Publication of DE69120594T2 publication Critical patent/DE69120594T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04L25/03165—Arrangements for removing intersymbol interference using neural networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/04—Architecture, e.g. interconnection topology
    • 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
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03464—Neural networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Theoretical Computer Science (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computational Linguistics (AREA)
  • Data Mining & Analysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
DE69120594T 1990-04-26 1991-04-24 Wellenformentzerrer mit Neuronalnetzwerk Expired - Fee Related DE69120594T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2111194A JPH048019A (ja) 1990-04-26 1990-04-26 復調装置
JP11547790A JPH0413316A (ja) 1990-05-01 1990-05-01 等化器の制御処理方式
JP2115479A JP2763380B2 (ja) 1990-05-01 1990-05-01 信号系特性測定装置
JP2115478A JP2763379B2 (ja) 1990-05-01 1990-05-01 信号系特性測定装置

Publications (2)

Publication Number Publication Date
DE69120594D1 true DE69120594D1 (de) 1996-08-08
DE69120594T2 DE69120594T2 (de) 1997-01-09

Family

ID=27469887

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69120594T Expired - Fee Related DE69120594T2 (de) 1990-04-26 1991-04-24 Wellenformentzerrer mit Neuronalnetzwerk

Country Status (3)

Country Link
US (1) US5272723A (de)
EP (1) EP0454445B1 (de)
DE (1) DE69120594T2 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0496677B1 (de) * 1991-01-23 1997-07-09 Fujitsu Limited Adaptive Entzerrer
JPH0683792A (ja) * 1991-06-12 1994-03-25 Hitachi Ltd ニューラルネットワークの学習装置およびニューラルネットワークの学習パターン呈示方法
US5630019A (en) * 1992-05-23 1997-05-13 Kabushiki Kaisha Topcon Waveform evaluating apparatus using neural network
DE69317181T2 (de) * 1992-08-06 1998-08-20 Koninkl Philips Electronics Nv Einrichtung zur Wiedergabe eines digitalen Signals von einem Aufzeichnungsträger mit einem variablen Entzerrer
EP0585991B1 (de) * 1992-08-06 1998-03-04 Koninklijke Philips Electronics N.V. Einrichtung zur Wiedergabe eines digitalen Signals von einem Aufzeichnungsträger mit einem variablen Entzerrer
US5343404A (en) * 1992-11-12 1994-08-30 Maritec Corp. Precision digital multimeter and waveform synthesizer for multi-signals with distorted waveforms embedded in noise
US5802505A (en) * 1993-04-13 1998-09-01 Matsushita Electric Industrial Co., Ltd. Waveform signal equalizing method and apparatus and signal recording and reproducing apparatus
US5517585A (en) * 1993-05-05 1996-05-14 Liberty Technologies, Inc. System and method for stable analysis of sampled transients arbitrarily aligned with their sample points
US5799114A (en) * 1993-05-05 1998-08-25 Liberty Technologies, Inc. System and method for stable analysis of sampled transients arbitrarily aligned with their sample points
US5517667A (en) * 1993-06-14 1996-05-14 Motorola, Inc. Neural network that does not require repetitive training
US5504780A (en) * 1994-01-06 1996-04-02 Bell Communications Research Inc. Adaptive equalizer using self-learning neural network
US5532950A (en) * 1994-04-25 1996-07-02 Wadia Digital Corporation Dynamic digital filter using neural networks
DE4415811A1 (de) * 1994-05-05 1995-11-09 Thomson Brandt Gmbh Verfahren zum Entzerren von verzerrten Datensignalen
US5642341A (en) * 1994-09-20 1997-06-24 Ricoh Corporation CD ROM apparatus for improved tracking and signal sensing
US5699487A (en) * 1995-07-07 1997-12-16 Hewlett-Packard Company Artificial neural network read channel
JP3764269B2 (ja) 1998-03-20 2006-04-05 株式会社東芝 ディスク記憶装置
GB2351885A (en) * 1999-06-26 2001-01-10 Axeon Ltd Neural network for real-time channel equalisation
US6933856B2 (en) * 2001-08-02 2005-08-23 Halliburton Energy Services, Inc. Adaptive acoustic transmitter controller apparatus and method
GB2393825B (en) * 2001-08-02 2006-02-15 Halliburton Energy Serv Inc Adaptive acoustic transmitter controller apparatus and method
US7245680B2 (en) * 2003-06-04 2007-07-17 Honeywell Federal Manufacturing & Technologiex, Llc Method of differential-phase/absolute-amplitude QAM
US8223827B2 (en) * 2004-05-05 2012-07-17 Agere Systems Inc. Method and apparatus for generating filter tap weights and biases for signal dependent branch metric computation
US8111986B1 (en) * 2004-12-22 2012-02-07 Clariphy Communications, Inc. Testing of transmitters for communication links by software simulation of reference channel and/or reference receiver
US7643752B2 (en) * 2004-12-22 2010-01-05 Clariphy Communications, Inc. Testing of transmitters for communication links by software simulation of reference channel and/or reference receiver
US7853149B2 (en) * 2005-03-08 2010-12-14 Clariphy Communications, Inc. Transmitter frequency peaking for optical fiber channels
US7664394B2 (en) 2005-06-30 2010-02-16 Clariphy Communications, Inc. Testing of receivers with separate linear O/E module and host used in communication links
US8254781B2 (en) 2005-06-30 2012-08-28 Clariphy Communications, Inc. Testing of receivers with separate linear O/E module and host used in communication links
US8775341B1 (en) 2010-10-26 2014-07-08 Michael Lamport Commons Intelligent control with hierarchical stacked neural networks
US9015093B1 (en) 2010-10-26 2015-04-21 Michael Lamport Commons Intelligent control with hierarchical stacked neural networks
US9490995B1 (en) * 2012-11-01 2016-11-08 Juniper Networks, Inc. Simulation system for network devices in a network
US20150249554A1 (en) * 2013-06-21 2015-09-03 Dhadesugoor Vaman Adaptive demodulation method and apparatus using an artificial neural network to improve data recovery in high speed channels
US20160072543A1 (en) 2014-09-10 2016-03-10 Qualcomm Incorporated Methods and Systems for Multi-Model, Multi-Layer Perceptron Based Non-Linear Interference Management in Multi-Technology Communication Devices
JP7126061B2 (ja) * 2016-09-27 2022-08-26 パナソニックＩｐマネジメント株式会社 音声信号処理装置、音声信号処理方法、および制御プログラム
US10084620B1 (en) 2017-03-01 2018-09-25 Intel Corporation Neural network-based systems for high speed data links
US11050494B2 (en) * 2018-08-17 2021-06-29 Electronics And Telecommunications Research Institute Signal-multiplexing apparatus and method based on machine learning
US11831347B2 (en) * 2019-09-18 2023-11-28 Nec Corporation Parameter determination apparatus, signal transmission apparatus, parameter determination method, signal transmission method and recording medium
CN112598107A (zh) * 2019-10-01 2021-04-02 创鑫智慧股份有限公司 数据处理***及其数据处理方法
US11804233B2 (en) * 2019-11-15 2023-10-31 Qualcomm Incorporated Linearization of non-linearly transformed signals
TWI733305B (zh) * 2020-01-10 2021-07-11 瑞昱半導體股份有限公司 晶片及基於神經網路電路的電流調整方法
JP2024506293A (ja) * 2021-02-03 2024-02-13 テクトロニクス・インコーポレイテッド 人間と機械学習のためのオーバーレイ、コンポジット、ダイナミック・アイ・トリガを備えたアイのクラス・セパレータ
US11923895B2 (en) 2021-03-24 2024-03-05 Tektronix, Inc. Optical transmitter tuning using machine learning and reference parameters
US11923896B2 (en) 2021-03-24 2024-03-05 Tektronix, Inc. Optical transceiver tuning using machine learning
US11940889B2 (en) 2021-08-12 2024-03-26 Tektronix, Inc. Combined TDECQ measurement and transmitter tuning using machine learning
US11907090B2 (en) 2021-08-12 2024-02-20 Tektronix, Inc. Machine learning for taps to accelerate TDECQ and other measurements

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3649916A (en) * 1970-11-18 1972-03-14 Hughes Aircraft Co Automatic equalizer for communication channels
US4044381A (en) * 1974-06-03 1977-08-23 Hitachi, Ltd. Automatic waveform equalizing system for television receiver
US4430743A (en) * 1980-11-17 1984-02-07 Nippon Electric Co., Ltd. Fast start-up system for transversal equalizers
US4825448A (en) * 1986-08-07 1989-04-25 International Mobile Machines Corporation Subscriber unit for wireless digital telephone system
JP2531699B2 (ja) * 1987-09-08 1996-09-04 株式会社日立製作所 波形等化方式及び装置
US5115452A (en) * 1990-08-02 1992-05-19 At&T Bell Laboratories Phase jitter correction arrangement

Also Published As

Publication number Publication date
EP0454445B1 (de) 1996-07-03
US5272723A (en) 1993-12-21
DE69120594T2 (de) 1997-01-09
EP0454445A2 (de) 1991-10-30
EP0454445A3 (en) 1992-09-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee