DE60307660D1 - Datenempfangssystem - Google Patents

Datenempfangssystem

Info

Publication number
DE60307660D1
DE60307660D1 DE60307660T DE60307660T DE60307660D1 DE 60307660 D1 DE60307660 D1 DE 60307660D1 DE 60307660 T DE60307660 T DE 60307660T DE 60307660 T DE60307660 T DE 60307660T DE 60307660 D1 DE60307660 D1 DE 60307660D1
Authority
DE
Germany
Prior art keywords
dimensions
symbol
isi
dimensional
data system
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 - Lifetime
Application number
DE60307660T
Other languages
English (en)
Inventor
Thomas J Conway
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.)
University of Limerick
Original Assignee
University of Limerick
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 University of Limerick filed Critical University of Limerick
Application granted granted Critical
Publication of DE60307660D1 publication Critical patent/DE60307660D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/3905—Maximum a posteriori probability [MAP] decoding or approximations thereof based on trellis or lattice decoding, e.g. forward-backward algorithm, log-MAP decoding, max-log-MAP decoding
    • 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
    • G11B20/10037—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
    • 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
    • G11B20/10268—Improvement or modification of read or write signals bit detection or demodulation methods
    • G11B20/10287—Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors
    • G11B20/10296—Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors using the Viterbi algorithm
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • G11B7/24088—Pits for storing more than two values, i.e. multi-valued recording for data or prepits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/29—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/63—Joint error correction and other techniques
    • H03M13/6343—Error control coding in combination with techniques for partial response channels, e.g. recording
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B2020/1249—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the bits are arranged on a two-dimensional hexagonal lattice
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/013—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Probability & Statistics with Applications (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Error Detection And Correction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE60307660T 2002-10-08 2003-10-08 Datenempfangssystem Expired - Lifetime DE60307660D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IE20020803 2002-10-08
PCT/IE2003/000142 WO2004034389A1 (en) 2002-10-08 2003-10-08 A data detector system

Publications (1)

Publication Number Publication Date
DE60307660D1 true DE60307660D1 (de) 2006-09-28

Family

ID=32088947

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60307660T Expired - Lifetime DE60307660D1 (de) 2002-10-08 2003-10-08 Datenempfangssystem

Country Status (6)

Country Link
US (1) US7443933B2 (de)
EP (1) EP1550117B1 (de)
AT (1) ATE336784T1 (de)
AU (1) AU2003299476A1 (de)
DE (1) DE60307660D1 (de)
WO (1) WO2004034389A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1788313A (zh) * 2003-05-12 2006-06-14 皇家飞利浦电子股份有限公司 用于多维记录系统的迭代的逐条的基于格子的符号检测方法和设备
WO2004100150A2 (en) * 2003-05-12 2004-11-18 Koninklijke Philips Electronics N.V. Iterative stripewise trellis-based symbol detection method and device for multi-dimensional recording systems

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5774444A (en) * 1990-05-25 1998-06-30 Hitachi, Ltd. Split photo detector for detecting a central portion and a peripheral portion of a reflected light beam
US5748592A (en) * 1996-02-07 1998-05-05 Matsushita Electric Industrial Co., Ltd. Disk drive apparatus and disk storage medium for high density recording
US5959953A (en) * 1996-07-03 1999-09-28 Zen Research Nv Methods and apparatus for performing cross-talk correction in a multi-track optical disk reader based on magnification error
JPH11144250A (ja) * 1997-11-06 1999-05-28 Pioneer Electron Corp 情報データの記録再生方法
WO2002054394A2 (en) * 2000-12-28 2002-07-11 Darren Kraemer Superresolution in periodic data storage media
FR2819659B1 (fr) * 2001-01-15 2006-08-11 Mitsubishi Electric Inf Tech Methode simplifiee de detection par spheres en presence de faible rapport signal a bruit

Also Published As

Publication number Publication date
IE20030747A1 (en) 2004-04-21
ATE336784T1 (de) 2006-09-15
EP1550117A1 (de) 2005-07-06
AU2003299476A1 (en) 2004-05-04
EP1550117B1 (de) 2006-08-16
US7443933B2 (en) 2008-10-28
WO2004034389A1 (en) 2004-04-22
US20050238122A1 (en) 2005-10-27

Similar Documents

Publication Publication Date Title
Adams et al. Microsatellite analysis of the phylogeography, Pleistocene history and secondary contact hypotheses for the killifish, Fundulus heteroclitus
Muylaert et al. Relationship between bacterial community composition and bottom-up versus top-down variables in four eutrophic shallow lakes
Shearer et al. DNA BARCODING: Barcoding corals: limited by interspecific divergence, not intraspecific variation
Sunday et al. Ocean circulation model predicts high genetic structure observed in a long‐lived pelagic developer
WO2006042688A3 (fr) Procede d’etablissement de points de voisinage pour systeme de reseau routier numerique
Lesser et al. Development of genetic diversity, differentiation and structure over 500 years in four ponderosa pine populations
ATE381761T1 (de) Dvd kopierschutz
DE60307660D1 (de) Datenempfangssystem
Sebastian et al. Genomic investigations provide insights into the mechanisms of resilience to heterogeneous habitats of the Indian Ocean in a pelagic fish
Walter et al. Gene flow increases temporal stability of Chinook salmon (Oncorhynchus tshawytscha) populations in the Upper Fraser River, British Columbia, Canada
Bowen et al. Phylogenetic relationships among North American Alosa species (Clupeidae)
Jackson et al. Testing the role of meander cutoff in promoting gene flow across a riverine barrier in ground skinks (Scincella lateralis)
Kopatz et al. Genetic substructure and admixture as important factors in linkage disequilibrium‐based estimation of effective number of breeders in recovering wildlife populations
Tri et al. Effect of climate change on the salinity intrusion: case study ca river basin, Vietnam
WO2006130391A3 (en) A multi-level format for information storage
Harris et al. Gene flow and effective population size in two life‐history types of broad whitefish Coregonus nasus from the Canadian Arctic
Löfstedt e-Government-assessment of current research and proposals for future directions
Agarwal Learning to Detect: A Semi Supervised Multi-relational Graph Convolutional Network for Uncovering Key Actors on Hackforums
IE83723B1 (en) A data detector system
TWI450266B (zh) 電子裝置及音頻資料的解碼方法
Sweet et al. Genomewide marker estimates of the level of dominance in maize heterosis
Gustavsson Global knowledge creation-Exploring dimensions of proximity
He Risk assessment of dredging processes in Pearl River estuary-Hong Kong waters
Harper et al. Machine-assisted data editing for global bathymetry compilations using gradient boosting methods
Hörstmann et al. Biogeographic gradients of picoplankton diversity indicate increasing dominance of prokaryotes in warmer Arctic fjords

Legal Events

Date Code Title Description
8332 No legal effect for de