GB2287618B - A hierarchical synchronization method and a telecommunications system employing message-based synchronisation - Google Patents

A hierarchical synchronization method and a telecommunications system employing message-based synchronisation

Info

Publication number
GB2287618B
GB2287618B GB9509149A GB9509149A GB2287618B GB 2287618 B GB2287618 B GB 2287618B GB 9509149 A GB9509149 A GB 9509149A GB 9509149 A GB9509149 A GB 9509149A GB 2287618 B GB2287618 B GB 2287618B
Authority
GB
United Kingdom
Prior art keywords
telecommunications system
system employing
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.)
Expired - Fee Related
Application number
GB9509149A
Other versions
GB2287618A (en
GB9509149D0 (en
Inventor
Jukka Kainulainen
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Small-Scale Networks (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
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 GB9509149D0 (en) 1995-07-12
GB2287618A GB2287618A (en) 1995-09-20
GB2287618B true 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
JP2921711B2 (en) * 1994-07-06 1999-07-19 エヌ・ティ・ティ移動通信網株式会社 Mobile communication system using base station frequency correction method
JP3197793B2 (en) * 1995-07-03 2001-08-13 富士通株式会社 Wireless device
FI104593B (en) * 1996-09-30 2000-02-29 Nokia Networks Oy Hierarchical synchronization procedure
FI104665B (en) * 1996-09-30 2000-04-14 Nokia Networks Oy Hierarchical synchronization method
DE19653261A1 (en) * 1996-12-20 1998-06-25 Alsthom Cge Alcatel Synchronous digital message transmission system, control device, network element and central clock generator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0262705A2 (en) * 1986-09-03 1988-04-06 Philips Patentverwaltung GmbH Arrangement for the nodes of a meshed telecommunication network
EP0435395A2 (en) * 1989-12-28 1991-07-03 Philips Patentverwaltung GmbH Hierarchical synchronization method for the nodes of a telecommunication network
EP0553360A1 (en) * 1991-08-19 1993-08-04 Fujitsu Limited Method for synchronizing synchronous data communication network, and communication device used in the network

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0262705A2 (en) * 1986-09-03 1988-04-06 Philips Patentverwaltung GmbH Arrangement for the nodes of a meshed telecommunication network
EP0435395A2 (en) * 1989-12-28 1991-07-03 Philips Patentverwaltung GmbH Hierarchical synchronization method for the nodes of a telecommunication network
EP0553360A1 (en) * 1991-08-19 1993-08-04 Fujitsu Limited Method for synchronizing synchronous data communication network, and communication device used in the network

Also Published As

Publication number Publication date
FI92358C (en) 1994-10-25
GB2287618A (en) 1995-09-20
WO1994011965A1 (en) 1994-05-26
AU5422294A (en) 1994-06-08
GB9509149D0 (en) 1995-07-12
FI925071A0 (en) 1992-11-09
FI92358B (en) 1994-07-15
DE4395761T1 (en) 1995-10-19
FI925071A (en) 1994-05-10

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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