DE3685914D1 - Fehlerkorrekturmechanismus. - Google Patents
Fehlerkorrekturmechanismus.Info
- Publication number
- DE3685914D1 DE3685914D1 DE8686105484T DE3685914T DE3685914D1 DE 3685914 D1 DE3685914 D1 DE 3685914D1 DE 8686105484 T DE8686105484 T DE 8686105484T DE 3685914 T DE3685914 T DE 3685914T DE 3685914 D1 DE3685914 D1 DE 3685914D1
- Authority
- DE
- Germany
- Prior art keywords
- error correction
- correction mechanism
- error
- correction
- 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
- 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
-
- 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
- H04L1/24—Testing correct operation
-
- 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
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
-
- 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
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
- H04L25/066—Multilevel decisions, not including self-organising maps
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Detection And Correction Of Errors (AREA)
- Error Detection And Correction (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/741,400 US4677627A (en) | 1985-06-05 | 1985-06-05 | Error correction scheme |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3685914D1 true DE3685914D1 (de) | 1992-08-13 |
DE3685914T2 DE3685914T2 (de) | 1993-02-25 |
Family
ID=24980581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686105484T Expired - Fee Related DE3685914T2 (de) | 1985-06-05 | 1986-04-21 | Fehlerkorrekturmechanismus. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4677627A (de) |
EP (1) | EP0207243B1 (de) |
JP (1) | JPS61281721A (de) |
CA (1) | CA1233233A (de) |
DE (1) | DE3685914T2 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1258130A (en) * | 1985-07-11 | 1989-08-01 | Nec Corporation | Cmi signal transmission system |
US5099500A (en) * | 1988-10-14 | 1992-03-24 | Concord Communications, Inc. | Symbol detection and error correction coding in a local area network |
US5084903A (en) * | 1989-02-28 | 1992-01-28 | First Pacific Networks | Modulation and demodulation system employing AM-PSK and QPSK communication system using digital signals |
AT401838B (de) * | 1990-06-01 | 1996-12-27 | Schrack Telecom | Verfahren zur aufbereitung von signalen für die signalübertragung im basisband |
GB9024515D0 (en) * | 1990-11-12 | 1991-01-02 | Texas Instruments Ltd | Improvements in or relating to digital communications |
EP0505657A1 (de) * | 1991-03-27 | 1992-09-30 | International Business Machines Corporation | Präambel-Erkennung und Synchronisationsdetektierung in Partial-Response Systemen |
CA2104694A1 (en) * | 1991-03-29 | 1992-09-30 | William L. Geller | Clamping receiver and transmission protocol |
JP3133490B2 (ja) * | 1991-08-27 | 2001-02-05 | 古河電気工業株式会社 | 多重伝送装置 |
US5424881A (en) | 1993-02-01 | 1995-06-13 | Cirrus Logic, Inc. | Synchronous read channel |
US6185649B1 (en) * | 1998-05-19 | 2001-02-06 | Toshiba America Electronic Components, Inc. | System for correcting an illegal addressing signal by changing a current bit from one to zero if a bit immediately left adjacent to the current bit is zero |
US6209108B1 (en) * | 1999-08-27 | 2001-03-27 | Qwest Communications International Inc. | Method for testing VDSL loops |
EP1265409A1 (de) * | 2001-06-05 | 2002-12-11 | Alcatel | Entscheiderschaltung mit multiplexierten XOR-Schaltungen |
US7149938B1 (en) * | 2001-12-07 | 2006-12-12 | Applied Micro Circuits Corporation | Non-causal channel equalization |
US20060059411A1 (en) * | 2004-09-16 | 2006-03-16 | Sony Corporation And Sony Electronics, Inc. | Method and system for increasing channel coding gain |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4118686A (en) * | 1977-09-06 | 1978-10-03 | Gte Automatic Electric Laboratories, Incorporated | Error correction for signals employing the modified duobinary code |
DE3069679D1 (en) * | 1980-12-08 | 1985-01-03 | Ibm | Method of transmitting information between stations attached to a unidirectional transmission ring |
US4507777A (en) * | 1983-02-03 | 1985-03-26 | International Business Machines Corporation | Protocol for determining physical order of active stations on a token ring |
US4556974A (en) * | 1983-10-07 | 1985-12-03 | Honeywell Inc. | Method for passing a token in a local-area network |
US4566097A (en) * | 1983-12-23 | 1986-01-21 | International Business Machines Corp. | Token ring with secondary transmit opportunities |
US4549292A (en) * | 1984-02-17 | 1985-10-22 | Burroughs Corporation | Method of efficiently and simultaneously transmitting both isochronous and nonisochronous data in a computer network |
-
1985
- 1985-06-05 US US06/741,400 patent/US4677627A/en not_active Expired - Fee Related
-
1986
- 1986-04-18 JP JP61088418A patent/JPS61281721A/ja active Granted
- 1986-04-21 EP EP86105484A patent/EP0207243B1/de not_active Expired
- 1986-04-21 DE DE8686105484T patent/DE3685914T2/de not_active Expired - Fee Related
- 1986-05-28 CA CA000510245A patent/CA1233233A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS61281721A (ja) | 1986-12-12 |
US4677627A (en) | 1987-06-30 |
DE3685914T2 (de) | 1993-02-25 |
JPH0258816B2 (de) | 1990-12-10 |
EP0207243B1 (de) | 1992-07-08 |
EP0207243A3 (en) | 1988-10-19 |
EP0207243A2 (de) | 1987-01-07 |
CA1233233A (en) | 1988-02-23 |
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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 |