DE69429086D1 - Verfahren zur synchronisation von verbundenen sdh- und pdh-fernmeldenetzen - Google Patents

Verfahren zur synchronisation von verbundenen sdh- und pdh-fernmeldenetzen

Info

Publication number
DE69429086D1
DE69429086D1 DE69429086T DE69429086T DE69429086D1 DE 69429086 D1 DE69429086 D1 DE 69429086D1 DE 69429086 T DE69429086 T DE 69429086T DE 69429086 T DE69429086 T DE 69429086T DE 69429086 D1 DE69429086 D1 DE 69429086D1
Authority
DE
Germany
Prior art keywords
pdh
telephone networks
synchronizing
sdh
connected sdh
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 - Lifetime
Application number
DE69429086T
Other languages
English (en)
Other versions
DE69429086T2 (de
Inventor
Arto Peltomaeki
Simo Hyytiae
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.)
Schofield Technologies LLC
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
Publication of DE69429086D1 publication Critical patent/DE69429086D1/de
Application granted granted Critical
Publication of DE69429086T2 publication Critical patent/DE69429086T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0647—Synchronisation among TDM nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H04L12/422—Synchronisation for ring networks
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0057—Operations, administration and maintenance [OAM]
    • H04J2203/006—Fault tolerance and recovery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0089—Multiplexing, e.g. coding, scrambling, SONET

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Small-Scale Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DE69429086T 1993-03-16 1994-03-14 Verfahren zur synchronisation von verbundenen sdh- und pdh-fernmeldenetzen Expired - Lifetime DE69429086T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI931166A FI93287C (fi) 1993-03-16 1993-03-16 Menetelmä toisiinsa kytkettyjen SDH- ja PDH-tietoliikenneverkkojen synkronoimiseksi
PCT/FI1994/000094 WO1994022251A1 (en) 1993-03-16 1994-03-14 Method for synchronizing interconnected sdh and pdh telecommunications networks

Publications (2)

Publication Number Publication Date
DE69429086D1 true DE69429086D1 (de) 2001-12-20
DE69429086T2 DE69429086T2 (de) 2002-06-06

Family

ID=8537562

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69429086T Expired - Lifetime DE69429086T2 (de) 1993-03-16 1994-03-14 Verfahren zur synchronisation von verbundenen sdh- und pdh-fernmeldenetzen

Country Status (6)

Country Link
EP (1) EP0689745B1 (de)
JP (1) JPH08508146A (de)
AU (1) AU680879B2 (de)
DE (1) DE69429086T2 (de)
FI (1) FI93287C (de)
WO (1) WO1994022251A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI95977C (fi) * 1994-02-25 1996-04-10 Nokia Telecommunications Oy Verkkojärjestely
FI95976C (fi) 1994-02-25 1996-04-10 Nokia Telecommunications Oy Verkkojärjestely
FI98583C (fi) * 1995-06-28 1997-07-10 Nokia Telecommunications Oy Varmennetun väylän toteutus tietoliikenneverkossa
SE505380C2 (sv) * 1995-11-06 1997-08-18 Ericsson Telefon Ab L M System vid en transmissionsbuffert
US6134234A (en) * 1996-07-19 2000-10-17 Nokia Telecommunications Oy Master-slave synchronization
FI104592B (fi) * 1996-07-19 2000-02-29 Nokia Networks Oy Synkronoinnin ylläpito tietoliikenneverkossa
TW363315B (en) * 1996-11-12 1999-07-01 Toshiba Corp Communication network system and the rebuilding method
US20020178256A1 (en) * 2001-03-16 2002-11-28 Johann Arnold System and method for introducing redundancy mechanisms into a communication system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE154483T1 (de) * 1990-04-21 1997-06-15 Sel Alcatel Ag Synchronisationsverfahren für sdh-systeme sowie verfahren und schaltungsanordnung zum erkennen unterschiedlicher datenstrukturen
GB9012436D0 (en) * 1990-06-04 1990-07-25 Plessey Telecomm Sdh rejustification
GB9114841D0 (en) * 1991-07-10 1991-08-28 Gpt Ltd Sdh data transmission timing
DE4205238C1 (de) * 1992-02-21 1993-01-07 Wandel & Goltermann Gmbh & Co, 7412 Eningen, De

Also Published As

Publication number Publication date
FI93287C (fi) 1995-03-10
JPH08508146A (ja) 1996-08-27
EP0689745A1 (de) 1996-01-03
AU680879B2 (en) 1997-08-14
EP0689745B1 (de) 2001-11-14
AU6209694A (en) 1994-10-11
FI931166A0 (fi) 1993-03-16
FI93287B (fi) 1994-11-30
DE69429086T2 (de) 2002-06-06
FI931166A (fi) 1994-09-17
WO1994022251A1 (en) 1994-09-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SCHOFIELD TECHNOLOGIES LLC, WILMINGTON, DEL., US