IT941333B - Sistema per la correzione di erro ri nel campo delle telecomunica zioni - Google Patents

Sistema per la correzione di erro ri nel campo delle telecomunica zioni

Info

Publication number
IT941333B
IT941333B IT31633/71A IT3163371A IT941333B IT 941333 B IT941333 B IT 941333B IT 31633/71 A IT31633/71 A IT 31633/71A IT 3163371 A IT3163371 A IT 3163371A IT 941333 B IT941333 B IT 941333B
Authority
IT
Italy
Prior art keywords
erros
telecommunications
correction
field
Prior art date
Application number
IT31633/71A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT941333B publication Critical patent/IT941333B/it

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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
IT31633/71A 1970-12-01 1971-11-26 Sistema per la correzione di erro ri nel campo delle telecomunica zioni IT941333B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9407070A 1970-12-01 1970-12-01

Publications (1)

Publication Number Publication Date
IT941333B true IT941333B (it) 1973-03-01

Family

ID=22242691

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31633/71A IT941333B (it) 1970-12-01 1971-11-26 Sistema per la correzione di erro ri nel campo delle telecomunica zioni

Country Status (7)

Country Link
US (1) US3678469A (it)
JP (1) JPS5211867B1 (it)
CA (1) CA936618A (it)
DE (1) DE2159108A1 (it)
FR (1) FR2117056A5 (it)
GB (1) GB1345634A (it)
IT (1) IT941333B (it)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798597A (en) * 1972-06-26 1974-03-19 Honeywell Inf Systems System and method for effecting cyclic redundancy checking
US3825905A (en) * 1972-09-13 1974-07-23 Action Communication Syst Inc Binary synchronous communications processor system and method
US3949208A (en) * 1974-12-31 1976-04-06 International Business Machines Corporation Apparatus for detecting and correcting errors in an encoded memory word
JPS5832421B2 (ja) * 1976-09-10 1983-07-13 株式会社日立製作所 フイ−ドバツクシフトレジスタ
US4105997A (en) * 1977-01-12 1978-08-08 United States Postal Service Method for achieving accurate optical character reading of printed text
DE2759106C2 (de) * 1977-12-30 1979-04-05 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum Codieren oder Decodieren von Binarinformationen
US4216540A (en) * 1978-11-09 1980-08-05 Control Data Corporation Programmable polynomial generator
US4473902A (en) * 1982-04-22 1984-09-25 Sperrt Corporation Error correcting code processing system
US4532517A (en) * 1983-02-28 1985-07-30 Allied Corporation Cyclic redundancy check monitor for microwave landing system beam steering unit
US4723243A (en) * 1985-12-02 1988-02-02 Advanced Micro Devices, Inc. CRC calculation machine with variable bit boundary
US4720830A (en) * 1985-12-02 1988-01-19 Advanced Micro Devices, Inc. CRC calculation apparatus having reduced output bus size
US5280484A (en) * 1989-07-08 1994-01-18 Alcatel N.V. Time-division multiplex communication system with a synchronizing circuit at the receiving end which responds to the coding of words inserted in the transmitted information
DE3922486A1 (de) * 1989-07-08 1991-01-17 Standard Elektrik Lorenz Ag Zeitmultiplex-nachrichtenuebertragungssystem mit einer auf die codierung von in die uebertragene nachricht eingefuegten woertern ansprechenden empfangsseitigen synchronisierschaltung
GB2242104B (en) * 1990-02-06 1994-04-13 Digital Equipment Int Method and apparatus for generating a frame check sequence
US5428629A (en) * 1990-11-01 1995-06-27 Motorola, Inc. Error check code recomputation method time independent of message length
DE69217931T2 (de) * 1992-07-14 1997-09-25 Alcatel Bell Nv Fehlererkennungs- und Fehlerkorrektureinrichtung
DE69217930T2 (de) * 1992-07-14 1997-09-25 Alcatel Bell Nv Teiler zur Division eines ersten Polynoms durch ein zweites
JPH0666363U (ja) * 1993-03-03 1994-09-20 田中化工機工業株式会社 回転ワイヤーブラシ
CA2131674A1 (en) * 1993-09-10 1995-03-11 Kalyan Ganesan High performance error control coding in channel encoders and decoders
GB2302634A (en) * 1995-06-24 1997-01-22 Motorola Ltd Cyclic redundancy coder
US20020152442A1 (en) * 1996-05-24 2002-10-17 Jeng-Jye Shau Error correction code circuits
JP3237700B2 (ja) * 1997-10-03 2001-12-10 日本電気株式会社 誤り検出方法及び誤り検出システム
US5923681A (en) * 1998-02-24 1999-07-13 Tektronix, Inc. Parallel synchronous header correction machine for ATM
US6438678B1 (en) * 1998-06-15 2002-08-20 Cisco Technology, Inc. Apparatus and method for operating on data in a data communications system
US6456875B1 (en) 1999-10-12 2002-09-24 Medtronic, Inc. Cyclic redundancy calculation circuitry for use in medical devices and methods regarding same
US6732317B1 (en) * 2000-10-23 2004-05-04 Sun Microsystems, Inc. Apparatus and method for applying multiple CRC generators to CRC calculation
JP2002141809A (ja) * 2000-10-31 2002-05-17 Ando Electric Co Ltd Ｃｒｃ符号演算回路、及びｃｒｃ符号演算方法
JP2002164791A (ja) * 2000-11-27 2002-06-07 Ando Electric Co Ltd Ｃｒｃ符号演算回路、及びｃｒｃ符号演算方法
US6836869B1 (en) * 2001-02-02 2004-12-28 Cradle Technologies, Inc. Combined cyclic redundancy check (CRC) and Reed-Solomon (RS) error checking unit
US20020144208A1 (en) * 2001-03-30 2002-10-03 International Business Machines Corporation Systems and methods for enabling computation of CRC' s N-bit at a time
US6938198B1 (en) * 2001-04-12 2005-08-30 Broadband Royalty Corporation Method and system for accelerating ethernet checksums
GB2375463A (en) * 2001-05-08 2002-11-13 Ubinetics Ltd Configurable encoder
EP1311073A1 (en) * 2001-11-12 2003-05-14 Texas Instruments Incorporated Modulation system for complex spreading codes
DE60138290D1 (de) * 2001-12-20 2009-05-20 Texas Instruments Inc Faltungskodierer wobei ein geänderter Multiplizierer verwendet wird
US7134067B2 (en) * 2002-03-21 2006-11-07 International Business Machines Corporation Apparatus and method for allowing a direct decode of fire and similar codes
KR100584170B1 (ko) * 2002-07-11 2006-06-02 재단법인서울대학교산학협력재단 터보 부호화된 복합 재전송 방식 시스템 및 오류 검출 방법
US7103832B2 (en) * 2003-12-04 2006-09-05 International Business Machines Corporation Scalable cyclic redundancy check circuit
US7328396B2 (en) * 2004-05-28 2008-02-05 International Business Machines Corporation Cyclic redundancy check generating circuit
US7707483B2 (en) * 2005-05-25 2010-04-27 Intel Corporation Technique for performing cyclic redundancy code error detection
US7774676B2 (en) * 2005-06-16 2010-08-10 Mediatek Inc. Methods and apparatuses for generating error correction codes
US7430701B2 (en) * 2005-06-16 2008-09-30 Mediatek Incorporation Methods and systems for generating error correction codes
US20070067702A1 (en) * 2005-09-05 2007-03-22 Kuo-Lung Chien Method and apparatus for syndrome generation
US7761776B1 (en) * 2005-11-03 2010-07-20 Xilinx, Inc. Method and apparatus for a modular, programmable cyclic redundancy check design
KR100731985B1 (ko) * 2005-12-29 2007-06-25 전자부품연구원 파이프라인 구조 병렬 순환 중복 검사 장치 및 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3465287A (en) * 1965-05-28 1969-09-02 Ibm Burst error detector
US3452328A (en) * 1965-06-07 1969-06-24 Ibm Error correction device for parallel data transmission system
US3475725A (en) * 1966-12-06 1969-10-28 Ibm Encoding transmission system
US3562711A (en) * 1968-07-16 1971-02-09 Ibm Apparatus for detecting circuit malfunctions
US3573726A (en) * 1968-09-26 1971-04-06 Computer Ind Inc Partial modification and check sum accumulation for error detection in data systems
US3560924A (en) * 1969-10-01 1971-02-02 Honeywell Inc Digital data error detection apparatus

Also Published As

Publication number Publication date
FR2117056A5 (it) 1972-07-21
DE2159108A1 (de) 1972-06-08
JPS5211867B1 (it) 1977-04-02
GB1345634A (en) 1974-01-30
US3678469A (en) 1972-07-18
CA936618A (en) 1973-11-06

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