FI20070800A - Menetelmä ja järjestely kellonaika-arvon siirtämiseksi verkkoelementtien välillä - Google Patents

Menetelmä ja järjestely kellonaika-arvon siirtämiseksi verkkoelementtien välillä Download PDF

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Publication number
FI20070800A
FI20070800A FI20070800A FI20070800A FI20070800A FI 20070800 A FI20070800 A FI 20070800A FI 20070800 A FI20070800 A FI 20070800A FI 20070800 A FI20070800 A FI 20070800A FI 20070800 A FI20070800 A FI 20070800A
Authority
FI
Finland
Prior art keywords
transferring
day
procedure
arrangement
value
Prior art date
Application number
FI20070800A
Other languages
English (en)
Swedish (sv)
Other versions
FI120378B (fi
FI20070800A0 (fi
Inventor
Mikko Laulainen
Kenneth Hann
Original Assignee
Tellabs 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 Tellabs Oy filed Critical Tellabs Oy
Priority to FI20070800A priority Critical patent/FI120378B/fi
Publication of FI20070800A0 publication Critical patent/FI20070800A0/fi
Priority to EP08165669.6A priority patent/EP2053766A3/en
Priority to US12/254,361 priority patent/US9213317B2/en
Priority to CN2008101729210A priority patent/CN101420281B/zh
Publication of FI20070800A publication Critical patent/FI20070800A/fi
Application granted granted Critical
Publication of FI120378B publication Critical patent/FI120378B/fi

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G7/00—Synchronisation
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
    • 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
    • H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
FI20070800A 2007-10-24 2007-10-24 Menetelmä ja järjestely kellonaika-arvon siirtämiseksi verkkoelementtien välillä FI120378B (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI20070800A FI120378B (fi) 2007-10-24 2007-10-24 Menetelmä ja järjestely kellonaika-arvon siirtämiseksi verkkoelementtien välillä
EP08165669.6A EP2053766A3 (en) 2007-10-24 2008-10-02 Method and arrangement for transferring a time of day value between network elements
US12/254,361 US9213317B2 (en) 2007-10-24 2008-10-20 Method and arrangement for transferring a time of day value between network elements
CN2008101729210A CN101420281B (zh) 2007-10-24 2008-10-24 用于在网络要素之间传送日内时间值的方法和装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20070800A FI120378B (fi) 2007-10-24 2007-10-24 Menetelmä ja järjestely kellonaika-arvon siirtämiseksi verkkoelementtien välillä
FI20070800 2007-10-24

Publications (3)

Publication Number Publication Date
FI20070800A0 FI20070800A0 (fi) 2007-10-24
FI20070800A true FI20070800A (fi) 2009-04-25
FI120378B FI120378B (fi) 2009-09-30

Family

ID=38656809

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20070800A FI120378B (fi) 2007-10-24 2007-10-24 Menetelmä ja järjestely kellonaika-arvon siirtämiseksi verkkoelementtien välillä

Country Status (4)

Country Link
US (1) US9213317B2 (fi)
EP (1) EP2053766A3 (fi)
CN (1) CN101420281B (fi)
FI (1) FI120378B (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2458755B1 (de) * 2010-11-26 2019-01-16 Siemens Aktiengesellschaft Anordnung und Verfahren zum Austausch von Zeitmarken
EP2819467A1 (en) * 2014-06-19 2014-12-31 Kenneth Hann A method and a device for generating a timing signal
US9584302B2 (en) 2015-06-05 2017-02-28 Analog Devices Global Method and apparatus for synchronization of slave clock to master clock
US10721009B2 (en) * 2016-11-17 2020-07-21 Accedian Networks Inc. Virtualized clocks
US10778360B1 (en) * 2018-12-06 2020-09-15 Xilinx, Inc. High accuracy timestamp support

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5805602A (en) 1995-09-25 1998-09-08 Bell Atlantic Network Services, Inc. Network monitoring system for cell delay variation
SE507227C2 (sv) * 1996-09-16 1998-04-27 Ericsson Telefon Ab L M Metod och anordning för synkronisering av tidsstämpling
DE29623891U1 (de) * 1996-11-08 2000-05-04 Alcatel Sa System zur transparenten Übertragung eines eintreffenden Taktsignals über ein Netzwerksegment, und die zugehörige Sende- und Empfangseinheit
US6246738B1 (en) 1998-11-19 2001-06-12 Pmc-Sierra Ltd. Phase modulated reduction of clock wander in synchronous wide area networks
DE10034686A1 (de) * 1999-09-13 2001-03-22 Siemens Ag Anordnung zur Informationsübermittlung zwischen zwei Kommunikationseinrichtungen
US7023942B1 (en) * 2001-10-09 2006-04-04 Nortel Networks Limited Method and apparatus for digital data synchronization
GB2388264A (en) 2002-01-10 2003-11-05 Roke Manor Research GPS based networked time synchronised unit
US7415044B2 (en) 2003-08-22 2008-08-19 Telefonaktiebolaget Lm Ericsson (Publ) Remote synchronization in packet-switched networks
US20060056403A1 (en) * 2004-09-13 2006-03-16 Pleasant Daniel L System and method for robust communication via a non-reliable protocol
US7397312B2 (en) * 2005-07-28 2008-07-08 Agilent Technologies, Inc. Spectrum analyzer and method for correcting frequency errors
US20070104228A1 (en) 2005-11-09 2007-05-10 Resolute Networks, Ltd. Asymmetric Differential Timing

Also Published As

Publication number Publication date
CN101420281B (zh) 2013-07-24
EP2053766A3 (en) 2016-11-02
CN101420281A (zh) 2009-04-29
FI120378B (fi) 2009-09-30
US20090109954A1 (en) 2009-04-30
FI20070800A0 (fi) 2007-10-24
EP2053766A2 (en) 2009-04-29
US9213317B2 (en) 2015-12-15

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