TW200506844A - Bit recovery scheme for an asymmetric data channel - Google Patents

Bit recovery scheme for an asymmetric data channel

Info

Publication number
TW200506844A
TW200506844A TW093113574A TW93113574A TW200506844A TW 200506844 A TW200506844 A TW 200506844A TW 093113574 A TW093113574 A TW 093113574A TW 93113574 A TW93113574 A TW 93113574A TW 200506844 A TW200506844 A TW 200506844A
Authority
TW
Taiwan
Prior art keywords
data channel
asymmetric data
bit recovery
recovery scheme
equalization filter
Prior art date
Application number
TW093113574A
Other languages
English (en)
Other versions
TWI335018B (en
Inventor
Axel Kochale
Klaus Gaedke
Friedrich Timmermann
Oliver Theis
Original Assignee
Thomson Licensing Sa
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 Thomson Licensing Sa filed Critical Thomson Licensing Sa
Publication of TW200506844A publication Critical patent/TW200506844A/zh
Application granted granted Critical
Publication of TWI335018B publication Critical patent/TWI335018B/zh

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
    • 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
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10212—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter compensation for data shift, e.g. pulse-crowding effects
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
    • H03M5/145—Conversion to or from block codes or representations thereof
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/46—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind
    • 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
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
TW093113574A 2003-06-06 2004-05-14 Bit recovery scheme for an asymmetric data channel TWI335018B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03012954A EP1484842A1 (en) 2003-06-06 2003-06-06 Bits recovery method and apparatus for an asymmetric data channel

Publications (2)

Publication Number Publication Date
TW200506844A true TW200506844A (en) 2005-02-16
TWI335018B TWI335018B (en) 2010-12-21

Family

ID=33155185

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093113574A TWI335018B (en) 2003-06-06 2004-05-14 Bit recovery scheme for an asymmetric data channel

Country Status (7)

Country Link
US (1) US7286598B2 (zh)
EP (1) EP1484842A1 (zh)
JP (1) JP2005071565A (zh)
KR (1) KR101147798B1 (zh)
CN (1) CN100481245C (zh)
MY (1) MY135812A (zh)
TW (1) TWI335018B (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7495854B2 (en) * 2005-10-03 2009-02-24 International Business Machines Corporation Dynamic method for asymmetry compensation in a storage read channel
JPWO2008111346A1 (ja) 2007-03-13 2010-06-24 日本電気株式会社 情報再生装置および情報再生方法
US8331511B2 (en) * 2008-12-24 2012-12-11 Hughes Network Sysetms, LLC System and method for compensating for nonlinear interference cancellation in multi-carrier transmission
US8548072B1 (en) 2012-06-20 2013-10-01 MagnaCom Ltd. Timing pilot generation for highly-spectrally-efficient communications
WO2015033232A2 (en) * 2013-09-09 2015-03-12 MagnaCom Ltd. Adaptive nonlinear model learning
US9118519B2 (en) 2013-11-01 2015-08-25 MagnaCom Ltd. Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator
US9496900B2 (en) 2014-05-06 2016-11-15 MagnaCom Ltd. Signal acquisition in a multimode environment
US9246523B1 (en) 2014-08-27 2016-01-26 MagnaCom Ltd. Transmitter signal shaping
EP3179710A1 (en) 2015-12-10 2017-06-14 Thomson Licensing Method and apparatus for determining coefficients of a nonlinear color transform, method and apparatus for applying a nonlinear color transform to digital images
US11070238B2 (en) * 2017-11-27 2021-07-20 Sony Semiconductor Solutions Corporation Decoding device and decoding method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468786A (en) * 1982-09-21 1984-08-28 Harris Corporation Nonlinear equalizer for correcting intersymbol interference in a digital data transmission system
JP3788684B2 (ja) * 1998-03-06 2006-06-21 パイオニア株式会社 波形等化器及びこれを用いたデータ再生装置
US6449110B1 (en) * 1999-02-03 2002-09-10 Cirrus Logic, Inc. Optimizing operation of a disk storage system by increasing the gain of a non-linear transducer and correcting the non-linear distortions using a non-linear correction circuit
US7167516B1 (en) * 2000-05-17 2007-01-23 Marvell International Ltd. Circuit and method for finding the sampling phase and canceling precursor intersymbol interference in a decision feedback equalized receiver
US7251297B2 (en) * 2000-11-22 2007-07-31 Broadcom Corporation Method and system to identify and characterize nonlinearities in optical communications channels
US7012957B2 (en) * 2001-02-01 2006-03-14 Broadcom Corporation High performance equalizer having reduced complexity

Also Published As

Publication number Publication date
CN1574044A (zh) 2005-02-02
MY135812A (en) 2008-07-31
CN100481245C (zh) 2009-04-22
KR101147798B1 (ko) 2012-05-18
US7286598B2 (en) 2007-10-23
TWI335018B (en) 2010-12-21
KR20040108573A (ko) 2004-12-24
JP2005071565A (ja) 2005-03-17
US20040247026A1 (en) 2004-12-09
EP1484842A1 (en) 2004-12-08

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees