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DK0667997T3 - Hierarkisk synkroniseringsfremgangsmåde samt telekommunikationssystem, der anvender meddelelsesbaseret synkronisering - Google Patents

Hierarkisk synkroniseringsfremgangsmåde samt telekommunikationssystem, der anvender meddelelsesbaseret synkronisering

Info

Publication number
DK0667997T3
DK0667997T3 DK93924624T DK93924624T DK0667997T3 DK 0667997 T3 DK0667997 T3 DK 0667997T3 DK 93924624 T DK93924624 T DK 93924624T DK 93924624 T DK93924624 T DK 93924624T DK 0667997 T3 DK0667997 T3 DK 0667997T3
Authority
DK
Denmark
Prior art keywords
synchronization
message
well
telecommunication system
hierarchical
Prior art date
Application number
DK93924624T
Other languages
Danish (da)
English (en)
Inventor
Jukka Kainulainen
Original Assignee
Nokia Networks Oy
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 Nokia Networks Oy filed Critical Nokia Networks Oy
Application granted granted Critical
Publication of DK0667997T3 publication Critical patent/DK0667997T3/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0679Clock or time synchronisation in a network by determining clock distribution path in a network

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Small-Scale Networks (AREA)
DK93924624T 1992-11-09 1993-11-08 Hierarkisk synkroniseringsfremgangsmåde samt telekommunikationssystem, der anvender meddelelsesbaseret synkronisering DK0667997T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI925072A FI91689C (fi) 1992-11-09 1992-11-09 Hierarkkinen synkronointimenetelmä sekä sanomapohjaista synkronointia käyttävä tietoliikennejärjestelmä
PCT/FI1993/000459 WO1994011966A1 (fr) 1992-11-09 1993-11-08 Procede de synchronisation hierarchique et systeme de telecommunications employant la synchronisation basee sur des messages

Publications (1)

Publication Number Publication Date
DK0667997T3 true DK0667997T3 (da) 2000-09-18

Family

ID=8536180

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93924624T DK0667997T3 (da) 1992-11-09 1993-11-08 Hierarkisk synkroniseringsfremgangsmåde samt telekommunikationssystem, der anvender meddelelsesbaseret synkronisering

Country Status (7)

Country Link
US (1) US5734687A (fr)
EP (1) EP0667997B1 (fr)
AU (1) AU5422394A (fr)
DE (1) DE69329294T2 (fr)
DK (1) DK0667997T3 (fr)
FI (1) FI91689C (fr)
WO (1) WO1994011966A1 (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI95978C (fi) * 1994-03-01 1996-04-10 Nokia Telecommunications Oy Hierarkkinen synkronointimenetelmä
GB2301991B (en) 1995-06-06 1999-06-30 Plessey Telecomm SDH Network
FI98583C (fi) * 1995-06-28 1997-07-10 Nokia Telecommunications Oy Varmennetun väylän toteutus tietoliikenneverkossa
FI98582C (fi) * 1995-06-28 1997-07-10 Nokia Telecommunications Oy Varmennetun väylän toteutus tietoliikenneverkossa
JP3420898B2 (ja) * 1996-10-04 2003-06-30 富士通株式会社 シンクロナイゼーションメッセージ受信処理装置
FI103307B (fi) * 1997-02-11 1999-05-31 Nokia Telecommunications Oy Tietoliikenneverkon synkronointi
US6496476B1 (en) 1997-03-12 2002-12-17 Worldcom, Inc. System and method for restricted reuse of intact portions of failed paths
US6507561B1 (en) 1997-03-12 2003-01-14 Worldcom, Inc. Telecommunications network distributed restoration method and system
US6411598B1 (en) 1997-03-12 2002-06-25 Mci Communications Corporation Signal conversion for fault isolation
US6044064A (en) * 1997-03-28 2000-03-28 Mci Communications Corporation Method and system therefor of confining path verification signals within a distributed restoration network
US6044084A (en) * 1997-10-06 2000-03-28 Hughes Electronics Corporation Collision detection for packet-switched multiple-path communication system
US6294991B1 (en) 1998-09-08 2001-09-25 Mci Communications Corporation Method and system therefor for ensuring a true activation of distributed restoration in a telecommunications network
US6337846B1 (en) 1998-09-08 2002-01-08 Mci Worldcom, Inc. Quantification of the quality of spare links in a telecommunications network
US6404733B1 (en) 1998-09-08 2002-06-11 Mci Worldcom, Inc. Method of exercising a distributed restoration process in an operational telecommunications network
US6418117B1 (en) 1998-09-08 2002-07-09 Mci Worldcom, Inc. Out of band messaging in a DRA network
US6714563B1 (en) * 1999-04-26 2004-03-30 Cisco Technology, Inc. Network clock synchronization scheme
US6813240B1 (en) 1999-06-11 2004-11-02 Mci, Inc. Method of identifying low quality links in a telecommunications network
IL137086A (en) * 2000-06-29 2004-06-20 Enavis Networks Ltd Method and system for fast synchronization of multiframe structures using periodic signatures
US20040003007A1 (en) * 2002-06-28 2004-01-01 Prall John M. Windows management instrument synchronized repository provider
CN100369426C (zh) * 2002-11-22 2008-02-13 中兴通讯股份有限公司 在同步数字传送网中判断时钟源成环的方法
US7656804B2 (en) * 2004-08-16 2010-02-02 Motorola, Inc. Method and apparatus for operating an AD-HOC communication system
US7912094B2 (en) * 2006-12-13 2011-03-22 Honeywell International Inc. Self-checking pair-based master/follower clock synchronization
EP2296322A4 (fr) * 2008-07-03 2017-06-07 ZTE Corporation Procédés de synchronisation, d'ordonnancement, de gestion de réseau et d'attribution de fréquence basés sur les systèmes d'accès hiérarchiques et sans fil

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2986723A (en) * 1960-02-26 1961-05-30 Bell Telephone Labor Inc Synchronization in a system of interconnected units
US4347490A (en) * 1981-03-06 1982-08-31 Prem Magnetics, Inc. Low profile transformer
US4701756A (en) * 1985-09-10 1987-10-20 Burr William E Fault-tolerant hierarchical network
US4736393A (en) * 1986-04-16 1988-04-05 American Telephone And Telegraph Co., At&T Information Systems, Inc. Distributed timing control for a distributed digital communication system
DE3629931A1 (de) * 1986-09-03 1988-03-10 Philips Patentverwaltung Hierarchisches synchronisationsverfahren und schaltungsanordnung fuer vermittlungsstellen eines vermaschten fernmeldenetzes
DE3833940A1 (de) * 1988-09-22 1990-04-05 Siemens Ag Verfahren zur neusynchronisation einer vermittlungsstelle in einem fernmeldenetz
DE3943052A1 (de) * 1989-12-28 1991-07-04 Philips Patentverwaltung Hierarchisches synchronisationsverfahren fuer vermittlungsstellen eines fernmeldenetzes
JPH0575635A (ja) * 1991-09-12 1993-03-26 Hitachi Ltd ネツトワーク網同期管理システムおよび管理方式

Also Published As

Publication number Publication date
AU5422394A (en) 1994-06-08
EP0667997B1 (fr) 2000-08-23
DE69329294T2 (de) 2001-02-22
FI91689C (fi) 1994-07-25
EP0667997A1 (fr) 1995-08-23
WO1994011966A1 (fr) 1994-05-26
FI925072A0 (fi) 1992-11-09
US5734687A (en) 1998-03-31
FI91689B (fi) 1994-04-15
DE69329294D1 (de) 2000-09-28

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