SG115783A1 - Apparatus for providing dynamic equalizer optimization - Google Patents

Apparatus for providing dynamic equalizer optimization

Info

Publication number
SG115783A1
SG115783A1 SG200501717A SG200501717A SG115783A1 SG 115783 A1 SG115783 A1 SG 115783A1 SG 200501717 A SG200501717 A SG 200501717A SG 200501717 A SG200501717 A SG 200501717A SG 115783 A1 SG115783 A1 SG 115783A1
Authority
SG
Singapore
Prior art keywords
providing dynamic
dynamic equalizer
equalizer optimization
optimization
providing
Prior art date
Application number
SG200501717A
Other languages
English (en)
Inventor
D Cideciyan Roy
Dholakia Ajay
S Eleftheriou Evangelos
L Galbraith Richard
M Hanson Weldon
Mittelholzer Thomas
R Oenning Travis
J Ross Michael
J Stanek David
Original Assignee
Hitachi Global Storage Tech
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 Hitachi Global Storage Tech filed Critical Hitachi Global Storage Tech
Publication of SG115783A1 publication Critical patent/SG115783A1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/035—Equalising
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
SG200501717A 2004-03-25 2005-03-18 Apparatus for providing dynamic equalizer optimization SG115783A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/809,230 US7193802B2 (en) 2004-03-25 2004-03-25 Apparatus for providing dynamic equalizer optimization

Publications (1)

Publication Number Publication Date
SG115783A1 true SG115783A1 (en) 2005-10-28

Family

ID=34989523

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200501717A SG115783A1 (en) 2004-03-25 2005-03-18 Apparatus for providing dynamic equalizer optimization

Country Status (5)

Country Link
US (1) US7193802B2 (ja)
JP (1) JP2005276412A (ja)
KR (1) KR20060045121A (ja)
CN (1) CN100559488C (ja)
SG (1) SG115783A1 (ja)

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US7511910B1 (en) 2004-10-27 2009-03-31 Marvell International Ltd. Asymmetry correction in read signal
US7298570B1 (en) * 2004-10-27 2007-11-20 Marvell International Ltd. Asymmetry correction in read signal
US7236319B2 (en) * 2005-06-08 2007-06-26 Fujifilm Corporation Reproducing method, reproducing apparatus, recording and reproducing apparatus, and magnetic recording medium
US7589927B2 (en) * 2005-08-30 2009-09-15 International Business Machines Corporation Dynamically adapting a read channel equalizer
WO2008117441A1 (ja) * 2007-03-27 2008-10-02 Fujitsu Limited イコライザ特性最適化方法、伝送システム、通信装置及びプログラム
US7567881B2 (en) * 2007-03-30 2009-07-28 General Electric Company Self-adjusting voltage filtering technique compensating for dynamic errors of capacitive voltage transformers
US8081676B2 (en) * 2007-05-08 2011-12-20 Mediatek Inc. Method and apparatus for data reception
US8175141B2 (en) * 2007-08-20 2012-05-08 Computer Access Technology Corporation Method and apparatus for calibrating equalizers without knowledge of the data pattern being received
US8175201B2 (en) 2007-12-21 2012-05-08 Lsi Corporation 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
US7924518B2 (en) * 2008-08-27 2011-04-12 Lsi Corporation Systems and methods for adaptive write pre-compensation
US7859780B2 (en) * 2008-08-27 2010-12-28 Agere Systems Inc. Systems and methods for on-the-fly write pre-compensation estimation
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
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
US7948702B2 (en) * 2008-12-18 2011-05-24 Lsi Corporation Systems and methods for controlling data equalization
US7929240B2 (en) * 2008-12-18 2011-04-19 Lsi Corporation Systems and methods for adaptive MRA compensation
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
EP2377124B1 (en) * 2009-01-09 2019-04-24 Avago Technologies International Sales Pte. Limited Systems for adaptive target search
US8077764B2 (en) * 2009-01-27 2011-12-13 International Business Machines Corporation 16-state adaptive noise predictive maximum-likelihood detection system
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
US8149529B2 (en) * 2010-07-28 2012-04-03 Lsi Corporation Dibit extraction for estimation of channel parameters
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
US8625226B2 (en) * 2011-11-23 2014-01-07 International Business Machines Corporation Fixing tap coefficients in a programmable finite-impulse-response equalizer
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
US9524748B2 (en) * 2014-12-08 2016-12-20 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for multi-dimensional equalization constraint
US10255448B1 (en) * 2017-10-11 2019-04-09 International Business Machines Corporation Data security using high speed serial equalization
US10135645B1 (en) * 2017-10-18 2018-11-20 Cisco Technology, Inc. Equalizer optimization for FEC-protected communication links
CN111245499B (zh) * 2020-01-08 2021-07-27 西安电子科技大学 基于预整形的时域并行分数间隔均衡器及均衡方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0363551B1 (en) * 1988-10-17 1994-12-07 International Business Machines Corporation Adaptive equalization for recording systems using partial-response signaling
US5999355A (en) * 1996-04-30 1999-12-07 Cirrus Logic, Inc. Gain and phase constrained adaptive equalizing filter in a sampled amplitude read channel for magnetic recording
JP3776582B2 (ja) * 1998-02-17 2006-05-17 富士通株式会社 記録再生装置
US6292511B1 (en) * 1998-10-02 2001-09-18 Usa Digital Radio Partners, Lp Method for equalization of complementary carriers in an AM compatible digital audio broadcast system

Also Published As

Publication number Publication date
KR20060045121A (ko) 2006-05-16
CN1674133A (zh) 2005-09-28
US20050213241A1 (en) 2005-09-29
CN100559488C (zh) 2009-11-11
JP2005276412A (ja) 2005-10-06
US7193802B2 (en) 2007-03-20

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