DE69628172D1 - Verfahren zum Kodieren eines Eingabewertes für die Übertragung auf Partial-Response Kanälen - Google Patents
Verfahren zum Kodieren eines Eingabewertes für die Übertragung auf Partial-Response KanälenInfo
- Publication number
- DE69628172D1 DE69628172D1 DE69628172T DE69628172T DE69628172D1 DE 69628172 D1 DE69628172 D1 DE 69628172D1 DE 69628172 T DE69628172 T DE 69628172T DE 69628172 T DE69628172 T DE 69628172T DE 69628172 D1 DE69628172 D1 DE 69628172D1
- Authority
- DE
- Germany
- Prior art keywords
- coding
- transmission
- input value
- partial response
- response channels
- 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 - Fee Related
Links
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Error Detection And Correction (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1986 | 1993-01-08 | ||
US198695P | 1995-08-03 | 1995-08-03 | |
PCT/US1996/012680 WO1997006624A1 (en) | 1995-08-03 | 1996-08-02 | Matched spectral null encoder/decoder |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69628172D1 true DE69628172D1 (de) | 2003-06-18 |
DE69628172T2 DE69628172T2 (de) | 2004-04-01 |
Family
ID=21698714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69628172T Expired - Fee Related DE69628172T2 (de) | 1995-08-03 | 1996-08-02 | Verfahren zum Kodieren eines Eingabewertes für die Übertragung auf Partial-Response Kanälen |
Country Status (6)
Country | Link |
---|---|
US (1) | US5801649A (de) |
EP (1) | EP0842577B1 (de) |
JP (1) | JPH11511283A (de) |
KR (1) | KR100406330B1 (de) |
DE (1) | DE69628172T2 (de) |
WO (1) | WO1997006624A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6032284A (en) * | 1997-03-12 | 2000-02-29 | Cirrus Logic, Inc. | Trellis coding system for disc storage systems |
US6185173B1 (en) | 1998-07-31 | 2001-02-06 | Cirrus Logic, Inc. | Sampled amplitude read channel employing a trellis sequence detector matched to a channel code constraint and a post processor for correcting errors in the detected binary sequence using the signal samples and an error syndrome |
WO2000057559A1 (de) * | 1999-03-18 | 2000-09-28 | Siemens Aktiengesellschaft | Verfahren und prozessoreinheit zur abbildung von informationen mit variablem wertebereich auf codewörter |
JP4239314B2 (ja) * | 1999-09-06 | 2009-03-18 | ソニー株式会社 | 符号化装置および方法、復号装置および方法、および記録媒体 |
US6570509B2 (en) * | 2000-03-03 | 2003-05-27 | Motorola, Inc. | Method and system for encoding to mitigate decoding errors in a receiver |
CN1305220C (zh) * | 2001-07-09 | 2007-03-14 | 希捷科技有限公司 | 用于抑制数字数据内低频含量的方法和装置 |
US6538586B1 (en) * | 2002-01-30 | 2003-03-25 | Intel Corporation | Data encoding strategy to reduce selected frequency components in a serial bit stream |
US7084789B2 (en) * | 2003-11-17 | 2006-08-01 | Seagate Technology Llc | DC-free code having limited error propagation and limited complexity |
US6989776B2 (en) * | 2003-11-17 | 2006-01-24 | Seagate Technology Llc | Generation of interleaved parity code words having limited running digital sum values |
US7002492B2 (en) * | 2004-07-07 | 2006-02-21 | Seagate Technology Llc | High rate running digital sum-restricted code |
US7460032B2 (en) * | 2005-10-27 | 2008-12-02 | Evault, Inc. | Methods and apparatus for performing adaptive compression |
US9031241B2 (en) * | 2009-02-05 | 2015-05-12 | D.E. Shaw Research, Llc | Link and physical coding sub-layer protocols |
KR20100136890A (ko) * | 2009-06-19 | 2010-12-29 | 삼성전자주식회사 | 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4486739A (en) * | 1982-06-30 | 1984-12-04 | International Business Machines Corporation | Byte oriented DC balanced (0,4) 8B/10B partitioned block transmission code |
NL8402445A (nl) * | 1984-01-20 | 1985-08-16 | Philips Nv | Werkwijze voor het coderen van n-bits informatiewoorden naar m-bits codewoorden, inrichting voor het uitvoeren van die werkwijze, werkwijze voor het decoderen van m-bits codewoorden naar n-bits informatiewoorden en inrichting voor het uitvoeren van die werkwijze. |
US4888779A (en) * | 1988-03-18 | 1989-12-19 | International Business Machines Corporation | Matched spectral null trellis codes for partial response channels |
JPH0362621A (ja) * | 1989-07-31 | 1991-03-18 | Ricoh Co Ltd | データ変調方式 |
US5208834A (en) * | 1991-03-15 | 1993-05-04 | International Business Machines Corporation | Lexicographical encoding and decoding of state-dependent codes |
US5497384A (en) * | 1993-12-29 | 1996-03-05 | International Business Machines Corporation | Permuted trellis codes for input restricted partial response channels |
US5537424A (en) * | 1994-08-12 | 1996-07-16 | International Business Machines Corporation | Matched spectral null codes with partitioned systolic trellis structures |
US5608397A (en) * | 1995-08-15 | 1997-03-04 | Lucent Technologies Inc. | Method and apparatus for generating DC-free sequences |
US5731768A (en) * | 1996-01-31 | 1998-03-24 | Seagate Technology, Inc. | Method and apparatus for implementing codes with maximum transition run length |
-
1996
- 1996-08-02 EP EP96927306A patent/EP0842577B1/de not_active Expired - Lifetime
- 1996-08-02 JP JP9508574A patent/JPH11511283A/ja not_active Ceased
- 1996-08-02 WO PCT/US1996/012680 patent/WO1997006624A1/en active IP Right Grant
- 1996-08-02 DE DE69628172T patent/DE69628172T2/de not_active Expired - Fee Related
- 1996-08-02 US US08/817,865 patent/US5801649A/en not_active Expired - Lifetime
- 1996-08-02 KR KR10-1998-0700764A patent/KR100406330B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69628172T2 (de) | 2004-04-01 |
JPH11511283A (ja) | 1999-09-28 |
EP0842577B1 (de) | 2003-05-14 |
KR19990036097A (ko) | 1999-05-25 |
WO1997006624A1 (en) | 1997-02-20 |
EP0842577A1 (de) | 1998-05-20 |
US5801649A (en) | 1998-09-01 |
KR100406330B1 (ko) | 2005-05-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |