GB9509149D0 - A hierarchical synchronization method and a telecommunications system employingmessage-based synchronisation - Google Patents

A hierarchical synchronization method and a telecommunications system employingmessage-based synchronisation

Info

Publication number
GB9509149D0
GB9509149D0 GBGB9509149.2A GB9509149A GB9509149D0 GB 9509149 D0 GB9509149 D0 GB 9509149D0 GB 9509149 A GB9509149 A GB 9509149A GB 9509149 D0 GB9509149 D0 GB 9509149D0
Authority
GB
United Kingdom
Prior art keywords
employingmessage
telecommunications system
synchronization method
hierarchical synchronization
based synchronisation
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.)
Granted
Application number
GBGB9509149.2A
Other versions
GB2287618B (en
GB2287618A (en
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.)
Nokia Oyj
Original Assignee
Nokia Telecommunications 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 Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of GB9509149D0 publication Critical patent/GB9509149D0/en
Publication of GB2287618A publication Critical patent/GB2287618A/en
Application granted granted Critical
Publication of GB2287618B publication Critical patent/GB2287618B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
GB9509149A 1992-11-09 1993-11-08 A hierarchical synchronization method and a telecommunications system employing message-based synchronisation Expired - Fee Related GB2287618B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI925071A FI92358C (en) 1992-11-09 1992-11-09 Hierarchical synchronization method and communication system using message-based synchronization
PCT/FI1993/000458 WO1994011965A1 (en) 1992-11-09 1993-11-08 A hierarchical synchronization method and a telecommunications system employing message-based synchronization

Publications (3)

Publication Number Publication Date
GB9509149D0 true GB9509149D0 (en) 1995-07-12
GB2287618A GB2287618A (en) 1995-09-20
GB2287618B GB2287618B (en) 1996-09-25

Family

ID=8536179

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9509149A Expired - Fee Related GB2287618B (en) 1992-11-09 1993-11-08 A hierarchical synchronization method and a telecommunications system employing message-based synchronisation

Country Status (5)

Country Link
AU (1) AU5422294A (en)
DE (1) DE4395761T1 (en)
FI (1) FI92358C (en)
GB (1) GB2287618B (en)
WO (1) WO1994011965A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI95975C (en) * 1994-02-25 1996-04-10 Nokia Telecommunications Oy Hierarchical synchronization method
FI95979C (en) * 1994-03-01 1996-04-10 Nokia Telecommunications Oy Hierarchical synchronization procedure
WO1996001545A1 (en) * 1994-07-06 1996-01-18 Ntt Mobile Communications Network Inc. Mobile communication system using base station frequency correcting method
JP3197793B2 (en) * 1995-07-03 2001-08-13 富士通株式会社 Wireless device
FI104665B (en) * 1996-09-30 2000-04-14 Nokia Networks Oy Hierarchical synchronization method
FI104593B (en) * 1996-09-30 2000-02-29 Nokia Networks Oy Hierarchical synchronization procedure
DE19653261A1 (en) * 1996-12-20 1998-06-25 Alsthom Cge Alcatel Synchronous digital message transmission system, control device, network element and central clock generator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3629931A1 (en) * 1986-09-03 1988-03-10 Philips Patentverwaltung HIERARCHICAL SYNCHRONIZATION METHOD AND CIRCUIT ARRANGEMENT FOR SWITCHING CENTERS OF A INTERMEDIATED TELECOMMUNICATION NETWORK
DE3943052A1 (en) * 1989-12-28 1991-07-04 Philips Patentverwaltung HIERARCHICAL SYNCHRONIZATION METHOD FOR SWITCHING CENTERS OF A TELECOMMUNICATION NETWORK
JP3235730B2 (en) * 1991-08-19 2001-12-04 富士通株式会社 Synchronization method for synchronous data communication network and communication device used in the synchronous data communication network

Also Published As

Publication number Publication date
FI925071A (en) 1994-05-10
FI92358B (en) 1994-07-15
AU5422294A (en) 1994-06-08
GB2287618B (en) 1996-09-25
FI92358C (en) 1994-10-25
GB2287618A (en) 1995-09-20
FI925071A0 (en) 1992-11-09
WO1994011965A1 (en) 1994-05-26
DE4395761T1 (en) 1995-10-19

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20031108