DK0667997T3 - Hierarkisk synkroniseringsfremgangsmåde samt telekommunikationssystem, der anvender meddelelsesbaseret synkronisering - Google Patents
Hierarkisk synkroniseringsfremgangsmåde samt telekommunikationssystem, der anvender meddelelsesbaseret synkroniseringInfo
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0679—Clock 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)
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 (en) | 1992-11-09 | 1993-11-08 | A hierarchical synchronization method and a telecommunications system employing message-based synchronization |
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 (da) |
EP (1) | EP0667997B1 (da) |
AU (1) | AU5422394A (da) |
DE (1) | DE69329294T2 (da) |
DK (1) | DK0667997T3 (da) |
FI (1) | FI91689C (da) |
WO (1) | WO1994011966A1 (da) |
Families Citing this family (23)
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 |
US6411598B1 (en) | 1997-03-12 | 2002-06-25 | Mci Communications Corporation | Signal conversion for fault isolation |
US6507561B1 (en) | 1997-03-12 | 2003-01-14 | Worldcom, Inc. | Telecommunications network distributed restoration method and system |
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 |
US6418117B1 (en) | 1998-09-08 | 2002-07-09 | Mci Worldcom, Inc. | Out of band messaging in a DRA 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 |
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 |
WO2010000110A1 (zh) * | 2008-07-03 | 2010-01-07 | 中兴通讯股份有限公司 | 分层无线接入系统的同步、调度、网络管理和频率分配方法 |
Family Cites Families (8)
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 |
-
1992
- 1992-11-09 FI FI925072A patent/FI91689C/fi not_active IP Right Cessation
-
1993
- 1993-11-08 WO PCT/FI1993/000459 patent/WO1994011966A1/en active IP Right Grant
- 1993-11-08 US US08/448,355 patent/US5734687A/en not_active Expired - Lifetime
- 1993-11-08 DK DK93924624T patent/DK0667997T3/da active
- 1993-11-08 EP EP93924624A patent/EP0667997B1/en not_active Expired - Lifetime
- 1993-11-08 DE DE69329294T patent/DE69329294T2/de not_active Expired - Fee Related
- 1993-11-08 AU AU54223/94A patent/AU5422394A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE69329294T2 (de) | 2001-02-22 |
AU5422394A (en) | 1994-06-08 |
EP0667997A1 (en) | 1995-08-23 |
EP0667997B1 (en) | 2000-08-23 |
WO1994011966A1 (en) | 1994-05-26 |
FI925072A0 (fi) | 1992-11-09 |
US5734687A (en) | 1998-03-31 |
FI91689C (fi) | 1994-07-25 |
FI91689B (fi) | 1994-04-15 |
DE69329294D1 (de) | 2000-09-28 |
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