GB9723484D0 - Waveform equalizer employing an adaptive initial value - Google Patents

Waveform equalizer employing an adaptive initial value

Info

Publication number
GB9723484D0
GB9723484D0 GBGB9723484.3A GB9723484A GB9723484D0 GB 9723484 D0 GB9723484 D0 GB 9723484D0 GB 9723484 A GB9723484 A GB 9723484A GB 9723484 D0 GB9723484 D0 GB 9723484D0
Authority
GB
United Kingdom
Prior art keywords
initial value
waveform equalizer
adaptive initial
equalizer employing
employing
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.)
Withdrawn
Application number
GBGB9723484.3A
Other versions
GB2320866A (en
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.)
WiniaDaewoo Co Ltd
Original Assignee
Daewoo Electronics Co 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
Application filed by Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Publication of GB9723484D0 publication Critical patent/GB9723484D0/en
Publication of GB2320866A publication Critical patent/GB2320866A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02—Analogue recording or reproducing
    • G11B20/08—Pulse-modulation recording or reproducing
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10018—Improvement or modification of read or write signals analog processing for digital recording or reproduction
    • G11B20/10027—Improvement or modification of read or write signals analog processing for digital recording or reproduction adjusting the signal strength during recording or reproduction, e.g. variable gain amplifiers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03656—Initialisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/211—Ghost signal cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Magnetic Recording (AREA)
  • Filters That Use Time-Delay Elements (AREA)
GB9723484A 1996-12-30 1997-11-06 An equalization arrangement in which initial values which determine tap coefficients are adaptively chosen Withdrawn GB2320866A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR19960076501 1996-12-30

Publications (2)

Publication Number Publication Date
GB9723484D0 true GB9723484D0 (en) 1998-01-07
GB2320866A GB2320866A (en) 1998-07-01

Family

ID=19492201

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9723484A Withdrawn GB2320866A (en) 1996-12-30 1997-11-06 An equalization arrangement in which initial values which determine tap coefficients are adaptively chosen

Country Status (3)

Country Link
JP (1) JPH10199147A (en)
KR (1) KR19980064798A (en)
GB (1) GB2320866A (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2336277B (en) * 1998-04-08 2003-12-31 Olivetti Telemedia Spa Preloading for equalisers
JP2001319421A (en) * 2000-05-08 2001-11-16 Sony Corp Reproducing device and adaptive equalizing circuit
JP2002008315A (en) * 2000-06-22 2002-01-11 Matsushita Electric Ind Co Ltd Optical disk device
KR100379332B1 (en) * 2000-08-03 2003-04-10 주식회사 하이닉스반도체 Automatic equalizer control appratus for audio system
JP2002230902A (en) * 2001-01-29 2002-08-16 Sony Corp Adaptive equalizer circuit and reproducing device using the same
KR20020085302A (en) * 2001-05-07 2002-11-16 주식회사 씨노드 Decision feedback recurrent neural network equalizer and learning method for the equalizer
US7457347B2 (en) 2004-11-08 2008-11-25 Interdigital Technology Corporation Method and apparatus for estimating and correcting baseband frequency error in a receiver
MX2007005453A (en) 2004-11-05 2007-05-21 Interdigital Tech Corp Adaptive equalizer with a dual-mode active taps mask generator and a pilot reference signal amplitude control unit.
GB2421670B (en) * 2004-12-22 2009-05-27 Agilent Technologies Inc Receiver for an optical communication system
EP2198427A4 (en) 2007-12-21 2013-11-06 Lsi Corp Systems and methods for adaptive equalization in recording channels
US7924523B2 (en) 2007-12-21 2011-04-12 Lsi Corporation Frequency domain approach for efficient computation of fixed-point equalization targets
US9281908B2 (en) 2008-10-08 2016-03-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for memory efficient signal and noise estimation
US7948702B2 (en) 2008-12-18 2011-05-24 Lsi Corporation Systems and methods for controlling data equalization
US8154815B2 (en) 2008-12-18 2012-04-10 Lsi Corporation Systems and methods for generating equalization data using shift register architecture
US7965467B2 (en) 2008-12-18 2011-06-21 Lsi Corporation Systems and methods for generating equalization data
US7974030B2 (en) 2008-12-23 2011-07-05 Lsi Corporation Systems and methods for dibit correction
US7948699B2 (en) 2009-01-02 2011-05-24 Lsi Corporation Systems and methods for equalizer optimization in a storage access retry
JP2012514935A (en) * 2009-01-09 2012-06-28 エルエスアイ コーポレーション System and method for adaptive target search
US7957251B2 (en) 2009-02-16 2011-06-07 Agere Systems Inc. Systems and methods for reduced latency loop recovery
US7969337B2 (en) 2009-07-27 2011-06-28 Lsi Corporation Systems and methods for two tier sampling correction in a data processing circuit
US8139305B2 (en) 2009-09-14 2012-03-20 Lsi Corporation Systems and methods for timing and gain acquisition
US8854752B2 (en) 2011-05-03 2014-10-07 Lsi Corporation Systems and methods for track width determination
US8762440B2 (en) 2011-07-11 2014-06-24 Lsi Corporation Systems and methods for area efficient noise predictive filter calibration
US9112538B2 (en) 2013-03-13 2015-08-18 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for loop feedback
US8848776B1 (en) 2013-03-25 2014-09-30 Lsi Corporation Systems and methods for multi-dimensional signal equalization
US8929010B1 (en) 2013-08-21 2015-01-06 Lsi Corporation Systems and methods for loop pulse estimation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI82337C (en) * 1989-05-29 1991-02-11 Nokia Data Systems Procedure for determining basic values for a transverse coefficient of coefficients

Also Published As

Publication number Publication date
GB2320866A (en) 1998-07-01
JPH10199147A (en) 1998-07-31
KR19980064798A (en) 1998-10-07

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)