FI98770B - Hierarkiskt synkroniseringsförfarande - Google Patents

Hierarkiskt synkroniseringsförfarande

Info

Publication number
FI98770B
FI98770B FI940979A FI940979A FI98770B FI 98770 B FI98770 B FI 98770B FI 940979 A FI940979 A FI 940979A FI 940979 A FI940979 A FI 940979A FI 98770 B FI98770 B FI 98770B
Authority
FI
Finland
Prior art keywords
synchronization procedure
hierarchical synchronization
hierarchical
procedure
synchronization
Prior art date
Application number
FI940979A
Other languages
English (en)
Finnish (fi)
Other versions
FI940979A (sv
FI940979A0 (sv
FI98770C (sv
Inventor
Jukka Kainulainen
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
Priority to FI940979A priority Critical patent/FI98770C/sv
Publication of FI940979A0 publication Critical patent/FI940979A0/sv
Priority to JP7523103A priority patent/JPH09510058A/ja
Priority to EP95909807A priority patent/EP0748546A1/en
Priority to US08/700,380 priority patent/US5878095A/en
Priority to AU18137/95A priority patent/AU1813795A/en
Priority to PCT/FI1995/000110 priority patent/WO1995024772A2/en
Publication of FI940979A publication Critical patent/FI940979A/sv
Publication of FI98770B publication Critical patent/FI98770B/sv
Application granted granted Critical
Publication of FI98770C publication Critical patent/FI98770C/sv

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
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
FI940979A 1994-03-01 1994-03-01 Hierarkiskt synkroniseringsförfarande FI98770C (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI940979A FI98770C (sv) 1994-03-01 1994-03-01 Hierarkiskt synkroniseringsförfarande
JP7523103A JPH09510058A (ja) 1994-03-01 1995-02-28 ハイアラーキ式の同期方法
EP95909807A EP0748546A1 (en) 1994-03-01 1995-02-28 Hierarchical synchronization method
US08/700,380 US5878095A (en) 1994-03-01 1995-02-28 Hierarchical synchronization method
AU18137/95A AU1813795A (en) 1994-03-01 1995-02-28 Hierarchical synchronization method
PCT/FI1995/000110 WO1995024772A2 (en) 1994-03-01 1995-02-28 Hierarchical synchronization method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI940979A FI98770C (sv) 1994-03-01 1994-03-01 Hierarkiskt synkroniseringsförfarande

Publications (4)

Publication Number Publication Date
FI940979A0 FI940979A0 (sv) 1994-03-01
FI940979A FI940979A (sv) 1995-09-02
FI98770B true FI98770B (sv) 1997-04-30
FI98770C FI98770C (sv) 1997-08-11

Family

ID=8540232

Family Applications (1)

Application Number Title Priority Date Filing Date
FI940979A FI98770C (sv) 1994-03-01 1994-03-01 Hierarkiskt synkroniseringsförfarande

Country Status (6)

Country Link
US (1) US5878095A (sv)
EP (1) EP0748546A1 (sv)
JP (1) JPH09510058A (sv)
AU (1) AU1813795A (sv)
FI (1) FI98770C (sv)
WO (1) WO1995024772A2 (sv)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506175C2 (sv) * 1996-09-24 1997-11-17 Ericsson Telefon Ab L M Förfarande och anordning för meddelandebaserad synkronisering i ett nätverk
US5875179A (en) * 1996-10-29 1999-02-23 Proxim, Inc. Method and apparatus for synchronized communication over wireless backbone architecture
US6418151B1 (en) * 1997-03-05 2002-07-09 Lucent Technologies Inc. Automatic primary reference clock switching for synchronous networks
US6977937B1 (en) 2000-04-10 2005-12-20 Bbnt Solutions Llc Radio network routing apparatus
US6470329B1 (en) * 2000-07-11 2002-10-22 Sun Microsystems, Inc. One-way hash functions for distributed data synchronization
US6601076B1 (en) * 2001-01-17 2003-07-29 Palm Source, Inc. Method and apparatus for coordinated N-way synchronization between multiple database copies
US7983239B1 (en) 2003-01-07 2011-07-19 Raytheon Bbn Technologies Corp. Systems and methods for constructing a virtual model of a multi-hop, multi-access network
JP4080366B2 (ja) * 2003-04-01 2008-04-23 シャープ株式会社 ネットワーク端末、ネットワークシステム、ネットワーク端末の制御方法
US20040246902A1 (en) * 2003-06-02 2004-12-09 Weinstein Joseph J. Systems and methods for synchronizing multple copies of a database using datablase digest
US7881229B2 (en) * 2003-08-08 2011-02-01 Raytheon Bbn Technologies Corp. Systems and methods for forming an adjacency graph for exchanging network routing data
US7606927B2 (en) 2003-08-27 2009-10-20 Bbn Technologies Corp Systems and methods for forwarding data units in a communications network
US7668083B1 (en) 2003-10-28 2010-02-23 Bbn Technologies Corp. Systems and methods for forwarding data in a communications network
US7126877B2 (en) * 2004-08-24 2006-10-24 Bbn Technologies Corp. System and method for disambiguating shooter locations
US7190633B2 (en) 2004-08-24 2007-03-13 Bbn Technologies Corp. Self-calibrating shooter estimation
CN101110695B (zh) * 2006-07-18 2010-12-08 华为技术有限公司 一种在电路重选时实现异常恢复的方法及装置
US8437223B2 (en) * 2008-07-28 2013-05-07 Raytheon Bbn Technologies Corp. System and methods for detecting shooter locations from an aircraft
US8139504B2 (en) * 2009-04-07 2012-03-20 Raytheon Bbn Technologies Corp. System, device, and method for unifying differently-routed networks using virtual topology representations
US8091429B2 (en) * 2009-08-14 2012-01-10 The Johns Hopkins University Apparatus and method for high frequency low pressure arc flash sensor
US8320217B1 (en) 2009-10-01 2012-11-27 Raytheon Bbn Technologies Corp. Systems and methods for disambiguating shooter locations with shockwave-only location
WO2015010337A1 (zh) 2013-07-26 2015-01-29 华为终端有限公司 同步信号的承载方法和用户设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2986723A (en) * 1960-02-26 1961-05-30 Bell Telephone Labor Inc Synchronization in a system of interconnected units
US4142069A (en) * 1977-06-20 1979-02-27 The United States Of America As Represented By The Secretary Of The Army Time reference distribution technique
US4736393A (en) * 1986-04-16 1988-04-05 American Telephone And Telegraph Co., At&T Information Systems, Inc. Distributed timing control for a distributed digital communication system
DE3629931A1 (de) * 1986-09-03 1988-03-10 Philips Patentverwaltung Hierarchisches synchronisationsverfahren und schaltungsanordnung fuer vermittlungsstellen eines vermaschten fernmeldenetzes
JPH0630094B2 (ja) * 1989-03-13 1994-04-20 インターナショナル・ビジネス・マシーンズ・コーポレイション マルチプロセツサ・システム
US4939752A (en) * 1989-05-31 1990-07-03 At&T Company Distributed timing recovery for a distributed communication system
FR2670345B1 (fr) * 1990-12-11 1994-09-30 Alcatel Business Systems Procede destine a assurer la permanence de la synchronisation des nóoeuds d'un reseau prive de telecommunications sur la meilleure des horloges disponibles et reseau correspondant.
US5359595A (en) * 1991-01-09 1994-10-25 Rockwell International Corporation Skywave adaptable network transceiver apparatus and method using a stable probe and traffic protocol

Also Published As

Publication number Publication date
FI940979A (sv) 1995-09-02
FI940979A0 (sv) 1994-03-01
EP0748546A1 (en) 1996-12-18
JPH09510058A (ja) 1997-10-07
WO1995024772A2 (en) 1995-09-14
US5878095A (en) 1999-03-02
WO1995024772A3 (en) 1995-11-09
FI98770C (sv) 1997-08-11
AU1813795A (en) 1995-09-25

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: NOKIA TELECOMMUNICATIONS OY

BB Publication of examined application