NO307728B1 - Fremgangsmåte for å skaffe tidssynkronisering i et nettverk - Google Patents

Fremgangsmåte for å skaffe tidssynkronisering i et nettverk

Info

Publication number
NO307728B1
NO307728B1 NO972519A NO972519A NO307728B1 NO 307728 B1 NO307728 B1 NO 307728B1 NO 972519 A NO972519 A NO 972519A NO 972519 A NO972519 A NO 972519A NO 307728 B1 NO307728 B1 NO 307728B1
Authority
NO
Norway
Prior art keywords
network
steps
time synchronization
obtain time
synchronization
Prior art date
Application number
NO972519A
Other languages
English (en)
Other versions
NO972519D0 (no
NO972519L (no
Inventor
Wojciech Kozlowski
Maurizio Mariani
Harald Vefling
Original Assignee
Abb Research Ltd
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 Abb Research Ltd filed Critical Abb Research Ltd
Priority to NO972519A priority Critical patent/NO307728B1/no
Publication of NO972519D0 publication Critical patent/NO972519D0/no
Priority to PCT/NO1998/000123 priority patent/WO1998056136A2/en
Priority to AU74575/98A priority patent/AU7457598A/en
Priority to DE69837431T priority patent/DE69837431T2/de
Priority to EP98924349A priority patent/EP0983658B1/en
Priority to PCT/FI1998/000481 priority patent/WO1998056135A2/en
Priority to AU76575/98A priority patent/AU7657598A/en
Publication of NO972519L publication Critical patent/NO972519L/no
Publication of NO307728B1 publication Critical patent/NO307728B1/no

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
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0664—Clock or time synchronisation among packet nodes using timestamps unidirectional timestamps
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/14—Time supervision arrangements, e.g. real time clock
    • 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
    • H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Small-Scale Networks (AREA)
NO972519A 1997-06-03 1997-06-03 Fremgangsmåte for å skaffe tidssynkronisering i et nettverk NO307728B1 (no)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NO972519A NO307728B1 (no) 1997-06-03 1997-06-03 Fremgangsmåte for å skaffe tidssynkronisering i et nettverk
PCT/NO1998/000123 WO1998056136A2 (en) 1997-06-03 1998-04-17 Method for providing time synchronization in a network
AU74575/98A AU7457598A (en) 1997-06-03 1998-04-17 Method for providing time synchronization in a network
DE69837431T DE69837431T2 (de) 1997-06-03 1998-06-03 Verfahren zur verfügungsstellung von zeitsynchronisierung in einem netzwerk
EP98924349A EP0983658B1 (en) 1997-06-03 1998-06-03 Method for providing time synchronization in a network
PCT/FI1998/000481 WO1998056135A2 (en) 1997-06-03 1998-06-03 Method for providing time synchronization in a network
AU76575/98A AU7657598A (en) 1997-06-03 1998-06-03 Method for providing time synchronization in a network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO972519A NO307728B1 (no) 1997-06-03 1997-06-03 Fremgangsmåte for å skaffe tidssynkronisering i et nettverk

Publications (3)

Publication Number Publication Date
NO972519D0 NO972519D0 (no) 1997-06-03
NO972519L NO972519L (no) 1998-12-04
NO307728B1 true NO307728B1 (no) 2000-05-15

Family

ID=19900778

Family Applications (1)

Application Number Title Priority Date Filing Date
NO972519A NO307728B1 (no) 1997-06-03 1997-06-03 Fremgangsmåte for å skaffe tidssynkronisering i et nettverk

Country Status (5)

Country Link
EP (1) EP0983658B1 (no)
AU (2) AU7457598A (no)
DE (1) DE69837431T2 (no)
NO (1) NO307728B1 (no)
WO (2) WO1998056136A2 (no)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6157957A (en) * 1998-01-22 2000-12-05 Cisco Technology, Inc. Clock synchronization system and method using a continuous conversion function for a communication network
AU3025900A (en) * 1999-01-20 2000-08-07 Fts Computertechnik Ges.Mbh Optimization of user data rate in a distributed time-controlled multicluster real-time system
US6618815B1 (en) * 2000-02-29 2003-09-09 International Business Machines Corporation Accurate distributed system time of day
US7251256B1 (en) * 2000-05-18 2007-07-31 Luminous Networks, Inc. Synchronization of asynchronous networks using media access control (MAC) layer synchronization symbols
FI20012173A (fi) * 2001-11-09 2003-05-10 Nokia Corp Synkronisoiva paikallisverkko
EP1864415A1 (en) * 2005-03-18 2007-12-12 Philips Intellectual Property & Standards GmbH Method for synchronization of network nodes
WO2008015244A1 (de) * 2006-08-03 2008-02-07 Nokia Siemens Networks Gmbh & Co. Kg Verfahren, sender, empfänger und zeitmass-generator zum zeitlichen synchronisieren eines ersten und eines zweiten datenstroms zu einem synchronisationszeitpunkt
GB0616029D0 (en) * 2006-08-11 2006-09-20 Answerback Interactive Interactive electronic system and method for a plurality of users
US10013381B2 (en) 2006-08-31 2018-07-03 Bose Corporation Media playing from a docked handheld media device
ES2350270T3 (es) * 2007-12-18 2011-01-20 Thales Alenia Space Italia S.P.A. Procedimiento de sincronización de nodos de una red, sistema y dispositivo correspondientes.
US9330169B2 (en) 2013-03-15 2016-05-03 Bose Corporation Audio systems and related devices and methods
US10419497B2 (en) 2015-03-31 2019-09-17 Bose Corporation Establishing communication between digital media servers and audio playback devices in audio systems
US9928024B2 (en) 2015-05-28 2018-03-27 Bose Corporation Audio data buffering
CN106487608B (zh) 2015-08-31 2019-06-07 华为技术服务有限公司 测量远端时间戳单位的方法和装置
US9911433B2 (en) 2015-09-08 2018-03-06 Bose Corporation Wireless audio synchronization
US10454604B2 (en) 2015-10-02 2019-10-22 Bose Corporation Encoded audio synchronization
US9798515B1 (en) 2016-03-31 2017-10-24 Bose Corporation Clock synchronization for audio playback devices
US10219091B2 (en) 2016-07-18 2019-02-26 Bose Corporation Dynamically changing master audio playback device
US11252065B1 (en) 2018-12-27 2022-02-15 Equinix, Inc. Clock synchronization in a heterogeneous system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4714924A (en) * 1985-12-30 1987-12-22 Eta Systems, Inc. Electronic clock tuning system
GB9117645D0 (en) * 1991-08-15 1991-10-02 Motorola Ltd Improvements in or relating to digital communication systems
SE502458C2 (sv) * 1992-01-20 1995-10-23 Asea Brown Boveri Förfarande och anordning för avstämning av internt genererad klockpulssignal
US5408506A (en) * 1993-07-09 1995-04-18 Apple Computer, Inc. Distributed time synchronization system and method
KR0123755B1 (ko) * 1993-08-19 1997-12-01 김광호 음성신호 송수신시스템
EP0697774A1 (en) * 1994-08-15 1996-02-21 Hewlett-Packard Company Clock offset estimation
US5535217A (en) * 1994-12-20 1996-07-09 International Business Machines Corporation Method and apparatus for probabilistic clock synchronization with interval arithmetic

Also Published As

Publication number Publication date
AU7657598A (en) 1998-12-21
AU7457598A (en) 1998-12-21
EP0983658B1 (en) 2007-03-28
DE69837431T2 (de) 2007-12-13
WO1998056135A2 (en) 1998-12-10
NO972519D0 (no) 1997-06-03
DE69837431D1 (de) 2007-05-10
WO1998056136A2 (en) 1998-12-10
EP0983658A2 (en) 2000-03-08
NO972519L (no) 1998-12-04
WO1998056136A3 (en) 1999-03-04
WO1998056135A3 (en) 1999-03-04

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