SG87896A1 - Trellis code for extended partial response maximum likelihood (eprml) channel - Google Patents
Trellis code for extended partial response maximum likelihood (eprml) channelInfo
- Publication number
- SG87896A1 SG87896A1 SG200003674A SG200003674A SG87896A1 SG 87896 A1 SG87896 A1 SG 87896A1 SG 200003674 A SG200003674 A SG 200003674A SG 200003674 A SG200003674 A SG 200003674A SG 87896 A1 SG87896 A1 SG 87896A1
- Authority
- SG
- Singapore
- Prior art keywords
- eprml
- channel
- maximum likelihood
- partial response
- trellis code
- Prior art date
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0059—Convolutional codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
-
- 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
- H04L25/03178—Arrangements involving sequence estimation techniques
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Error Detection And Correction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/347,598 US6408419B1 (en) | 1999-07-01 | 1999-07-01 | Trellis code for extended partial response maximum likelihood (EPRML) channel |
Publications (1)
Publication Number | Publication Date |
---|---|
SG87896A1 true SG87896A1 (en) | 2002-04-16 |
Family
ID=23364404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200003674A SG87896A1 (en) | 1999-07-01 | 2000-07-01 | Trellis code for extended partial response maximum likelihood (eprml) channel |
Country Status (6)
Country | Link |
---|---|
US (1) | US6408419B1 (ko) |
EP (1) | EP1065852B1 (ko) |
JP (1) | JP2001053623A (ko) |
KR (1) | KR100727690B1 (ko) |
DE (1) | DE60025413T2 (ko) |
SG (1) | SG87896A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6718502B1 (en) * | 2000-08-11 | 2004-04-06 | Data Storage Institute | Precoders for partial response channels |
KR100399353B1 (ko) * | 2001-07-13 | 2003-09-26 | 삼성전자주식회사 | 시분할 감지 기능을 구비한 불 휘발성 반도체 메모리 장치및 그것의 읽기 방법 |
KR100559730B1 (ko) | 2003-09-22 | 2006-03-15 | 삼성전자주식회사 | 기록 시스템을 위한 데이터 부호화/복호화 방법 및 장치 |
US8276038B2 (en) * | 2007-08-03 | 2012-09-25 | International Business Machines Corporation | Data storage systems |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5621761A (en) * | 1994-12-09 | 1997-04-15 | General Instrument Corporation Of Delaware | Rotationally invariant trellis coding incorporating transparent binary convolutional codes |
WO1999017456A1 (en) * | 1997-09-30 | 1999-04-08 | Datapath Systems, Inc. | Method and apparatus for encoding a binary signal |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH609510A5 (ko) | 1976-06-18 | 1979-02-28 | Ibm | |
FR2565440B1 (fr) | 1984-06-01 | 1986-09-05 | Adret Electronique | Etage synthetiseur de frequence comportant deux boucles a verrouillage de phase dont la seconde multiplie la frequence de la premiere par un facteur voisin de l'unite. |
US4707681A (en) * | 1986-04-24 | 1987-11-17 | International Business Machines Corporation | Method and apparatus for implementing optimum PRML codes |
US5040191A (en) | 1987-02-24 | 1991-08-13 | Codex Corporation | Partial response channel signaling systems |
US4939555A (en) | 1987-05-13 | 1990-07-03 | At&T Bell Laboratories | Trellis coding arrangement |
US4802009A (en) | 1987-07-13 | 1989-01-31 | Rca Licensing Corporation | Digitally controlled phase locked loop system |
US4873701A (en) | 1987-09-16 | 1989-10-10 | Penril Corporation | Modem and method for 8 dimensional trellis code modulation |
US4888779A (en) | 1988-03-18 | 1989-12-19 | International Business Machines Corporation | Matched spectral null trellis codes for partial response channels |
US4888775A (en) | 1988-03-18 | 1989-12-19 | International Business Machines Corporation | Trellis codes for partial response channels |
DE3910739C3 (de) | 1989-04-03 | 1996-11-21 | Deutsche Forsch Luft Raumfahrt | Verfahren zum Verallgemeinern des Viterbi-Algorithmus und Einrichtungen zur Durchführung des Verfahrens |
US5159610A (en) | 1989-05-12 | 1992-10-27 | Codex Corporation | Trellis precoding for modulation systems |
US5111483A (en) | 1989-08-07 | 1992-05-05 | Motorola, Inc. | Trellis decoder |
US5095484A (en) | 1989-11-13 | 1992-03-10 | International Business Machines Company Corporation | Phase invariant rate 8/10 matched spectral null code for PRML |
US5214672A (en) | 1990-04-06 | 1993-05-25 | Codex Corporation | Trellis precoding for fractional bits/baud |
US5052031A (en) | 1990-08-14 | 1991-09-24 | At&T Bell Laboratories | Phase locked loop including non-integer multiple frequency reference signal |
US5301209A (en) | 1991-10-09 | 1994-04-05 | At&T Bell Laboratories | Multidimensional trellis-coded modulation for fading channels |
US5327440A (en) | 1991-10-15 | 1994-07-05 | International Business Machines Corporation | Viterbi trellis coding methods and apparatus for a direct access storage device |
US5260703A (en) | 1992-08-27 | 1993-11-09 | Quantum Corporation | Data encoding and decoding within PRML class IV sampling data detection channel of disk drive |
US5424881A (en) | 1993-02-01 | 1995-06-13 | Cirrus Logic, Inc. | Synchronous read channel |
US5844922A (en) | 1993-02-22 | 1998-12-01 | Qualcomm Incorporated | High rate trellis coding and decoding method and apparatus |
US5497384A (en) | 1993-12-29 | 1996-03-05 | International Business Machines Corporation | Permuted trellis codes for input restricted partial response channels |
US5619539A (en) | 1994-02-28 | 1997-04-08 | International Business Machines Corporation | Data detection methods and apparatus for a direct access storage device |
US5490091A (en) | 1994-03-01 | 1996-02-06 | Guzik Technical Enterprises, Inc. | Histograms of processed noise samples for measuring error rate of a PRML data detection channel |
JPH08329619A (ja) | 1994-10-27 | 1996-12-13 | Hitachi Ltd | データ再生方法、データ再生装置、およびデータ再生用回路 |
US5691993A (en) | 1995-06-07 | 1997-11-25 | Seagate Technology, Inc. | Rate 4/5 trellis code for PR4 channels with improved error propagation |
US5521945A (en) | 1995-06-30 | 1996-05-28 | Quantum Corporation | Reduced complexity EPR4 post-processor for sampled data detection |
US5809080A (en) | 1995-10-10 | 1998-09-15 | Mitel Semiconductor Americas Inc. | System and method for coding partial response channels with noise predictive Viterbi detectors |
US5726818A (en) | 1995-12-05 | 1998-03-10 | Cirrus Logic, Inc. | Magnetic disk sampled amplitude read channel employing interpolated timing recovery for synchronous detection of embedded servo data |
US5841818A (en) | 1996-01-17 | 1998-11-24 | Chung-Chin Chen | Decoding method for trellis codes employing a convolutional processor |
US5809081A (en) | 1996-05-20 | 1998-09-15 | Mitel Semiconductor Americas Inc. | System and method for encoding data such that after precoding the data has a pre-selected parity structure |
US5771127A (en) | 1996-07-29 | 1998-06-23 | Cirrus Logic, Inc. | Sampled amplitude read channel employing interpolated timing recovery and a remod/demod sequence detector |
US5857002A (en) | 1996-08-16 | 1999-01-05 | International Business Machines Corporation | PRML channel with EPR4 equalization and clocking |
US5757294A (en) | 1996-12-31 | 1998-05-26 | Quantum Corporation | Rate 24/25 modulation code for PRML recording channels |
US6154870A (en) * | 1997-06-04 | 2000-11-28 | Seagate Technology Llc | Signal error-correction system and method |
-
1999
- 1999-07-01 US US09/347,598 patent/US6408419B1/en not_active Expired - Lifetime
-
2000
- 2000-06-24 EP EP00113457A patent/EP1065852B1/en not_active Expired - Lifetime
- 2000-06-24 DE DE60025413T patent/DE60025413T2/de not_active Expired - Lifetime
- 2000-06-30 JP JP2000199374A patent/JP2001053623A/ja active Pending
- 2000-07-01 KR KR1020000037544A patent/KR100727690B1/ko not_active IP Right Cessation
- 2000-07-01 SG SG200003674A patent/SG87896A1/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5621761A (en) * | 1994-12-09 | 1997-04-15 | General Instrument Corporation Of Delaware | Rotationally invariant trellis coding incorporating transparent binary convolutional codes |
WO1999017456A1 (en) * | 1997-09-30 | 1999-04-08 | Datapath Systems, Inc. | Method and apparatus for encoding a binary signal |
Also Published As
Publication number | Publication date |
---|---|
EP1065852A3 (en) | 2003-12-03 |
KR100727690B1 (ko) | 2007-06-13 |
JP2001053623A (ja) | 2001-02-23 |
EP1065852B1 (en) | 2006-01-11 |
EP1065852A2 (en) | 2001-01-03 |
DE60025413D1 (de) | 2006-04-06 |
DE60025413T2 (de) | 2006-08-24 |
KR20010021043A (ko) | 2001-03-15 |
US6408419B1 (en) | 2002-06-18 |
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