AU4889397A - Signal processing method and apparatus for reducing equalizer error - Google Patents

Signal processing method and apparatus for reducing equalizer error

Info

Publication number
AU4889397A
AU4889397A AU48893/97A AU4889397A AU4889397A AU 4889397 A AU4889397 A AU 4889397A AU 48893/97 A AU48893/97 A AU 48893/97A AU 4889397 A AU4889397 A AU 4889397A AU 4889397 A AU4889397 A AU 4889397A
Authority
AU
Australia
Prior art keywords
signal processing
processing method
equalizer error
reducing
reducing 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.)
Abandoned
Application number
AU48893/97A
Other languages
English (en)
Inventor
Antoni Fertner
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU4889397A publication Critical patent/AU4889397A/en
Abandoned 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
    • H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a 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)
  • Dc Digital Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
AU48893/97A 1996-10-29 1997-10-28 Signal processing method and apparatus for reducing equalizer error Abandoned AU4889397A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08739752 1996-10-29
US08/739,752 US5742642A (en) 1996-10-29 1996-10-29 Signal processing method and apparatus for reducing equalizer error
PCT/SE1997/001798 WO1998019432A1 (en) 1996-10-29 1997-10-28 Signal processing method and apparatus for reducing equalizer error

Publications (1)

Publication Number Publication Date
AU4889397A true AU4889397A (en) 1998-05-22

Family

ID=24973639

Family Applications (1)

Application Number Title Priority Date Filing Date
AU48893/97A Abandoned AU4889397A (en) 1996-10-29 1997-10-28 Signal processing method and apparatus for reducing equalizer error

Country Status (6)

Country Link
US (1) US5742642A (enExample)
EP (1) EP0965206A1 (enExample)
JP (1) JP2001503227A (enExample)
CN (1) CN1104794C (enExample)
AU (1) AU4889397A (enExample)
WO (1) WO1998019432A1 (enExample)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5809033A (en) 1995-08-18 1998-09-15 Adtran, Inc. Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link
US6192087B1 (en) 1996-11-15 2001-02-20 Conexant Systems, Inc. Method and apparatus for spectral shaping in signal-point limited transmission systems
US6278744B1 (en) 1996-11-15 2001-08-21 Conexant Systems, Inc. System for controlling and shaping the spectrum and redundancy of signal-point limited transmission
US6198753B1 (en) * 1997-05-20 2001-03-06 Alcatel Usa Sourcing, L.P. Method and apparatus for facilitating an interface to a digital signal processor
CA2296382C (en) * 1997-07-24 2007-09-11 Kabushiki Kaisha Kenwood Received signal phase detecting circuit
US6067655A (en) * 1997-08-28 2000-05-23 Stmicroelectronics, N.V. Burst error limiting symbol detector system
US6144697A (en) * 1998-02-02 2000-11-07 Purdue Research Foundation Equalization techniques to reduce intersymbol interference
US6141783A (en) * 1998-04-10 2000-10-31 International Business Machines Corporation Error propagation limiting encoder/decoder for multilevel decision feedback equalization
US6724844B1 (en) * 1998-06-30 2004-04-20 Koninklijke Philips Electronics N.V. Method and device for improving DFE performance in a trellis-coded system
US6532272B1 (en) 1998-08-12 2003-03-11 New Mexico State University Technology Transfer Corporation RAM-search processor for intersymbol interference cancellation
US6389064B1 (en) * 1999-03-08 2002-05-14 International Business Machines Corporation Modems, methods, and computer program products for identifying a signaling alphabet in variance with an ideal alphabet due to digital impairments
US6661837B1 (en) 1999-03-08 2003-12-09 International Business Machines Corporation Modems, methods, and computer program products for selecting an optimum data rate using error signals representing the difference between the output of an equalizer and the output of a slicer or detector
US6553518B1 (en) 1999-03-08 2003-04-22 International Business Machines Corporation Severe error detectors, methods and computer program products that use constellation specific error event thresholds to detect severe error events during demodulation of a signal comprising symbols from a plurality of symbol constellations
US6341360B1 (en) 1999-03-08 2002-01-22 International Business Machines Corporation Decision feedback equalizers, methods, and computer program products for detecting severe error events and preserving equalizer filter characteristics in response thereto
US7003030B2 (en) 1999-03-08 2006-02-21 Lenovo (Singapore) Pte. Ltd. Receivers, methods, and computer program products for an analog modem that receives data signals from a digital modem
US6381267B1 (en) 1999-03-08 2002-04-30 International Business Machines Corporation Modems, methods, and computer program products for falling back to a lower data rate protocol upon detecting abnormal line conditions during startup
US6487243B1 (en) 1999-03-08 2002-11-26 International Business Machines Corporation Modems, methods, and computer program products for recovering from errors in a tone reversal sequence between two modems
US6661847B1 (en) 1999-05-20 2003-12-09 International Business Machines Corporation Systems methods and computer program products for generating and optimizing signal constellations
US6690754B1 (en) * 1999-06-04 2004-02-10 Agere Systems Inc. Method and apparatus for reducing the computational complexity and relaxing the critical path of reduced state sequence estimation (RSSE) techniques
US6690715B2 (en) 1999-06-29 2004-02-10 Intersil Americas Inc. Rake receiver with embedded decision feedback equalizer
US6567467B1 (en) * 1999-09-21 2003-05-20 Intel Corporation Receiver having a comparator based decision feedback equalizer
GB2355629B (en) * 1999-10-18 2004-02-11 Mitel Corp Precursor decision feedback equalizer (PDFE)
US7110923B2 (en) * 1999-11-04 2006-09-19 Verticalband, Limited Fast, blind equalization techniques using reliable symbols
US7143013B2 (en) * 1999-11-04 2006-11-28 Verticalband, Limited Reliable symbols as a means of improving the performance of information transmission systems
US7085691B2 (en) * 1999-11-04 2006-08-01 Verticalband, Limited Reliable symbols as a means of improving the performance of information transmission systems
US6690739B1 (en) 2000-01-14 2004-02-10 Shou Yee Mui Method for intersymbol interference compensation
US7079586B1 (en) 2000-03-16 2006-07-18 Koninklijke Philips Electronics N.V. Systems and methods for optimal distribution of symbols in a fixed size data packet to improve receiver performance
WO2002005544A1 (en) * 2000-07-06 2002-01-17 Seiko Epson Corporation Image processing method, recording medium, and image processing device
US20020089941A1 (en) * 2001-01-05 2002-07-11 Chien-Meen Hwang Network receiver utilizing sample management buffers
US7133442B2 (en) * 2001-03-29 2006-11-07 Hewlett-Packard Development Company, L.P. Rapid identification of transmission media channel characteristics
CN100527642C (zh) * 2002-10-25 2009-08-12 Gct半导体公司 接收机中减少信号失真的方法和系统、isi消除器及接收机
ATE494659T1 (de) * 2003-11-25 2011-01-15 Ericsson Telefon Ab L M Leistungsverstärker-vorverzerrer-training
CN102739300A (zh) 2004-03-05 2012-10-17 高通股份有限公司 用于无线通信中的接收分集控制的设备
US8074126B1 (en) * 2006-06-07 2011-12-06 Marvell International Ltd. Non-intrusive eye monitor system
JP4947053B2 (ja) * 2006-09-14 2012-06-06 日本電気株式会社 判定負帰還型波形等化器
KR100747552B1 (ko) * 2006-11-22 2007-08-08 한국전자통신연구원 Ｆｆｔ를 이용한 결정 귀환 등화기의 초기 계수 획득 장치및 그 방법
US8804809B2 (en) 2011-09-12 2014-08-12 Transwitch Corporation Techniques for setting feedback coefficients of a PAM-N decision feedback equalizer
US8842721B1 (en) * 2011-09-25 2014-09-23 Integrated Device Technology, Inc. Method and apparatus for channel equalization in high speed S-RIO based communication systems
US8966353B2 (en) * 2011-10-31 2015-02-24 Hewlett-Packard Development Company L.P. Receiver with tap-coefficient adjustments
TWI533646B (zh) * 2014-06-10 2016-05-11 晨星半導體股份有限公司 配合可變增益放大器之信號處理系統及信號處理方法
CN105282466B (zh) * 2014-06-30 2018-07-06 晨星半导体股份有限公司 配合可变增益放大器的信号处理系统及信号处理方法
US9621445B2 (en) 2015-01-25 2017-04-11 Valens Semiconductor Ltd. Utilizing known data for status signaling
US10171182B2 (en) 2015-01-25 2019-01-01 Valens Semiconductor Ltd. Sending known data to support fast convergence
CN107360109A (zh) 2015-01-25 2017-11-17 瓦伦斯半导体有限责任公司 在不到1毫秒内从质量劣化恢复的收发器和方法
US10256920B2 (en) 2015-01-25 2019-04-09 Valens Semiconductor Ltd. Mode-conversion digital canceller for high bandwidth differential signaling
US9685991B2 (en) 2015-01-25 2017-06-20 Valens Semiconductor Ltd. Reducing transmission rate to support fast convergence
CN109873777B (zh) * 2017-12-01 2021-12-17 华为技术有限公司 一种纠错方法和纠错装置
US11231740B2 (en) * 2019-02-06 2022-01-25 Credo Technology Group Limited Clock recovery using between-interval timing error estimation
WO2021028026A1 (en) * 2019-08-13 2021-02-18 Huawei Technologies Co., Ltd. Noise cancelling device and method for a receiver
CN111447161B (zh) * 2020-04-03 2023-03-28 杭州易百德微电子有限公司 判决方法和判决模块
US11201693B2 (en) * 2020-04-28 2021-12-14 Maxlinear, Inc. Receiver filtering
CN118525457A (zh) * 2021-12-21 2024-08-20 华为技术有限公司 接收机、接收方法和光通信系统
US11582073B1 (en) * 2022-01-31 2023-02-14 Mellanox Technologies, Ltd. Sequence estimation system and method
US11677420B1 (en) * 2022-03-01 2023-06-13 Western Digital Technologies, Inc. Externalizing inter-symbol interference data in a data channel
US11811566B2 (en) * 2022-03-22 2023-11-07 Samsung Electronics Co., Ltd. Methods and systems for performing adaptive equalization of data

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879664A (en) * 1973-05-07 1975-04-22 Signatron High speed digital communication receiver
US3974449A (en) * 1975-03-21 1976-08-10 Bell Telephone Laboratories, Incorporated Joint decision feedback equalization and carrier recovery adaptation in data transmission systems
USRE31351E (en) * 1978-08-04 1983-08-16 Bell Telephone Laboratories, Incorporated Feedback nonlinear equalization of modulated data signals
JPS5927133B2 (ja) * 1979-02-21 1984-07-03 日本電気株式会社 適応型受信機
US4468786A (en) * 1982-09-21 1984-08-28 Harris Corporation Nonlinear equalizer for correcting intersymbol interference in a digital data transmission system
FI85548C (fi) * 1990-06-14 1992-04-27 Nokia Oy Ab Mottagningsfoerfarande och mottagare foer diskreta signaler.
CA2047557C (en) * 1990-07-20 1996-12-10 Mitsuo Kakuishi Received data adjusting device
CA2076997C (en) * 1991-09-30 1996-12-10 James C. Baker Apparatus and method for adaptively filtering a time-varying signal using multiple filtering algorithms
JP2780576B2 (ja) * 1992-08-05 1998-07-30 日本電気株式会社 干渉波除去装置
US5517527A (en) * 1992-12-11 1996-05-14 Industrial Technology Research Institute Adaptive equalizer for ISDN U-interface transceiver
US5513216A (en) * 1994-10-13 1996-04-30 At&T Corp. Hybrid equalizer arrangement for use in data communications equipment
US5604769A (en) * 1994-10-13 1997-02-18 Lucent Technologies Inc. Hybrid equalizer arrangement for use in data communications equipment
US5572262A (en) * 1994-12-29 1996-11-05 Philips Electronics North America Corporation Receiver based methods and devices for combating co-channel NTSC interference in digital transmission
JP3270289B2 (ja) * 1995-03-15 2002-04-02 日本電気株式会社 判定帰還形等化器
JP2669393B2 (ja) * 1995-04-11 1997-10-27 日本電気株式会社 干渉波除去装置

Also Published As

Publication number Publication date
EP0965206A1 (en) 1999-12-22
WO1998019432A1 (en) 1998-05-07
JP2001503227A (ja) 2001-03-06
CN1242121A (zh) 2000-01-19
US5742642A (en) 1998-04-21
CN1104794C (zh) 2003-04-02

Similar Documents

Publication Publication Date Title
AU4889397A (en) Signal processing method and apparatus for reducing equalizer error
AU1433495A (en) Apparatus and method for signal processing
EP0825511A3 (en) Method and apparatus for trusted processing
AUPO099696A0 (en) Methods and apparatus for processing spatialised audio
AU1232297A (en) Apparatus and method for plasma processing
AU2065297A (en) Method and apparatus for adaptable network processing
AU3216897A (en) Method and apparatus for document processing
AU6899596A (en) Method and apparatus for transporting auxiliary data in audio signals
EP0740478A3 (en) Method and apparatus for receiving and/or reproducing digital signals
AU7109298A (en) Improved signal processing apparatus and method
AU5096498A (en) Method and apparatus for decoding variable rate data
AU3477997A (en) Digital data processing methods and apparatus for fault isolation
AU2541797A (en) An apparatus and method for re-encrypting data
AU3790397A (en) Method and apparatus for detecting communication signals having unequal error protection
IL121034A0 (en) Method and apparatus for data processing
AU2029299A (en) Video signal processing method and apparatus
AU4525899A (en) Method and apparatus for processing sound
AU7337996A (en) Apparatus and method for demodulating multi-level signal
GB2314746B (en) Voice-coded data error processing apparatus and method of performing the same
SG64982A1 (en) Method for processing video signal and apparatus for processing video signal
AU1889597A (en) Apparatus and method for encoding data
AU7640796A (en) Digital signal processing method and apparatus
AU6133796A (en) Improved data processing method and apparatus
EP0706294A3 (en) Video signal processing apparatus and method
AU2124897A (en) Method and apparatus for processing data