DE69429654T2 - Verfahren und system zur synchronisierung von kodierern und dekodierern in kommunikationsnetzwerken, wenn fehler detektiert werden - Google Patents

Verfahren und system zur synchronisierung von kodierern und dekodierern in kommunikationsnetzwerken, wenn fehler detektiert werden

Info

Publication number
DE69429654T2
DE69429654T2 DE69429654T DE69429654T DE69429654T2 DE 69429654 T2 DE69429654 T2 DE 69429654T2 DE 69429654 T DE69429654 T DE 69429654T DE 69429654 T DE69429654 T DE 69429654T DE 69429654 T2 DE69429654 T2 DE 69429654T2
Authority
DE
Germany
Prior art keywords
decoders
encoders
synchronizing
errors
detected
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
Application number
DE69429654T
Other languages
English (en)
Other versions
DE69429654D1 (de
Inventor
Joseph Desnoyers
Ul Qureshi
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE69429654D1 publication Critical patent/DE69429654D1/de
Publication of DE69429654T2 publication Critical patent/DE69429654T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04L1/0061—Error detection codes
    • 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
    • H04L1/0041—Arrangements at the transmitter end
    • 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
    • H04L1/0045—Arrangements at the receiver end
    • 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
    • H04L1/0075—Transmission of coding parameters to receiver
    • 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
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/048—Speed or phase control by synchronisation signals using the properties of error detecting or error correcting codes, e.g. parity as synchronisation signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5614—User Network Interface
    • H04L2012/5616—Terminal equipment, e.g. codecs, synch.
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5672—Multiplexing, e.g. coding, scrambling
    • H04L2012/5674—Synchronisation, timing recovery or alignment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Error Detection And Correction (AREA)
DE69429654T 1993-11-22 1994-10-21 Verfahren und system zur synchronisierung von kodierern und dekodierern in kommunikationsnetzwerken, wenn fehler detektiert werden Expired - Fee Related DE69429654T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15685793A 1993-11-22 1993-11-22
PCT/US1994/012033 WO1995014971A1 (en) 1993-11-22 1994-10-21 Method and system for synchronizing encoders and decoders in communication networks when errors are detected

Publications (2)

Publication Number Publication Date
DE69429654D1 DE69429654D1 (de) 2002-02-21
DE69429654T2 true DE69429654T2 (de) 2002-06-13

Family

ID=22561383

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69429654T Expired - Fee Related DE69429654T2 (de) 1993-11-22 1994-10-21 Verfahren und system zur synchronisierung von kodierern und dekodierern in kommunikationsnetzwerken, wenn fehler detektiert werden

Country Status (5)

Country Link
EP (1) EP0682790B1 (de)
AU (1) AU670724B2 (de)
CA (1) CA2152177C (de)
DE (1) DE69429654T2 (de)
WO (1) WO1995014971A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6728921B1 (en) 1996-05-31 2004-04-27 Nortel Networks Limited Cell based data transmission method
GB2313748B (en) * 1996-05-31 2000-12-20 Northern Telecom Ltd Cell based data transmission method
DE19901666A1 (de) * 1999-01-18 2000-07-20 Deutsche Telekom Ag Einrichtung und Verfahren zur Synchronisation von Stromchiffrierern in ATM-Netzen
GB2350984B (en) 1999-06-11 2003-10-15 Mitel Corp Synchronisation method and system
CN1303771C (zh) * 2000-11-21 2007-03-07 皇家菲利浦电子有限公司 具备用于重新同步目的的坏帧指示符装置的通信系统
GB2389492A (en) * 2002-06-06 2003-12-10 Motorola Inc A transmitter which combines a time slot identifier with a CRC value, and a receiver which extracts the identifier
FR2898754B1 (fr) * 2006-03-17 2008-06-13 Thales Sa Procede de protection de donnees multimedia au moyen de couches d'abstraction reseau (nal) supplementaires

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4577313A (en) * 1984-06-04 1986-03-18 Sy Kian Bon K Routing mechanism with encapsulated FCS for a multi-ring local area network
CA1259386A (en) * 1985-03-30 1989-09-12 Nec Corporation Synchronization circuit for digital communication systems
US4893339A (en) * 1986-09-03 1990-01-09 Motorola, Inc. Secure communication system
JPH0286245A (ja) * 1988-09-21 1990-03-27 Hitachi Ltd データリンクレイヤ処理方式
US5130993A (en) * 1989-12-29 1992-07-14 Codex Corporation Transmitting encoded data on unreliable networks
JPH04211547A (ja) * 1990-03-20 1992-08-03 Fujitsu Ltd 同期回路
US5131012A (en) * 1990-09-18 1992-07-14 At&T Bell Laboratories Synchronization for cylic redundancy check based, broadband communications network
CA2059396C (en) * 1991-01-16 1996-10-22 Hiroshi Yamashita Compact device for checking a header error in asynchronous transfer mode cells
JP2655547B2 (ja) * 1991-03-13 1997-09-24 富士通株式会社 Ｃｒｃ演算方法及びａｔｍ交換方式におけるｈｅｃ同期装置

Also Published As

Publication number Publication date
EP0682790A4 (de) 1998-05-20
EP0682790A1 (de) 1995-11-22
AU670724B2 (en) 1996-07-25
EP0682790B1 (de) 2002-01-16
AU8085294A (en) 1995-06-13
WO1995014971A1 (en) 1995-06-01
CA2152177C (en) 1999-10-12
CA2152177A1 (en) 1995-06-01
DE69429654D1 (de) 2002-02-21

Similar Documents

Publication Publication Date Title
DE69738792D1 (de) Vorrichtungen, verfahren und system zur codierung und decodierung von bildern
FI940322A (fi) Parannettu virheen korjaava dekooderi ja menetelmä vastaanottajille digitaalisissa solukkokommunikaatiojärjestelmissä
DE69107463D1 (de) Integrierte Schaltung, System und Verfahren zur Fehlererzeugung.
FI950590A0 (fi) Radioliikennejärjestelmässä käytettävä menetelmä ja järjestely
DK0912396T3 (da) Pulverpåfyldningssystemer, apparatur og fremgangsmåder
DE69932092D1 (de) Verfahren und system zur kodierung von rundschreibnachrichten
DE69609342D1 (de) System und verfahren zur kodierung mit ungleichem fehlerschutz, wobei weniger signifikante signale punktiert werden
KR960009491A (ko) 통신 네트워크 구조 및 이를 기초로 한 통신 네트워크 시스템 및 그 통신 방법
DE69810485D1 (de) Kommunikationssysteme und verfahren mit paralleler verschachtelungsloser kodierung
DE69812960T2 (de) Kommunikationssystem und verfahren mit orthogonalen blockkodierung
FI953142A0 (fi) Järjestelmä ja menetelmä sanomien reitittämiseksi matkaviestinjärjestelmässä
DE3750070D1 (de) Verfahren und empfangsgerät zur null-reduktion.
KR19980700735A (ko) 오류정정 부호화 장치, 오류정정 복호화 장치 및 통신시스템
DE69700549D1 (de) Verfahren zur polymerisierung von cyclischen ethern
NO931801D0 (no) System og fremgangsmaate for dekoding, saerlig i forbindelse med digitale baser og mobile enheter
FI963136A (fi) Signalointimenetelmä ja digitaalinen radiojärjestelmä
DE69723589D1 (de) Osmotisches verabreichungssystem und methode zur leistungserhöhung und verbesserung der initialwirkung von osmotischen verabreichungssystemen
DE59814445D1 (de) Verfahren und computersystem zur codierung einer digitalen nachricht, zur übertragung der nachricht von einer ersten computereinheit zu einer zweiten computereinheit und zur decodierung der nachricht
DE69416652T2 (de) Digitales nachrichtensystem, und dazu geeignetes ubertragungs- und empfangsgerät
DE69121945D1 (de) Demodulationssystem zur fehlerfreien Entzerrung von empfangenen Signalen, welche Fehlerkorrekturkodes verwenden
DE69429654T2 (de) Verfahren und system zur synchronisierung von kodierern und dekodierern in kommunikationsnetzwerken, wenn fehler detektiert werden
DE69937016D1 (de) Rundfunkempfänger für den digitalen Tonrundfunk, mit einem System um kurzfristig eine Rahmensynchronisation zu erreichen in der Anwesenheit von Rauschen
DE69823307D1 (de) Digitales Übertragungssystem, Dekoder und Dekodierungsverfahren
DE59814011D1 (de) Verfahren und Empfänger zum Empfang von digital codierten Meldungen, wie zum Beispiel Verkehrsdurchsagen, mit Verwendung des Radiodatensystems
DE69430236D1 (de) Paritäts- und Syndromgenerator zur Fehler-Erkennung und -Korrektur in digitalen Übertragungssystemen

Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 80335 MUENCHEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee