KR101234360B1 - 패킷-기반 네트워크들에서의 라인-타이밍 - Google Patents

패킷-기반 네트워크들에서의 라인-타이밍 Download PDF

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Publication number
KR101234360B1
KR101234360B1 KR1020060038091A KR20060038091A KR101234360B1 KR 101234360 B1 KR101234360 B1 KR 101234360B1 KR 1020060038091 A KR1020060038091 A KR 1020060038091A KR 20060038091 A KR20060038091 A KR 20060038091A KR 101234360 B1 KR101234360 B1 KR 101234360B1
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South Korea
Prior art keywords
clock signal
node
packet
signal
clock
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KR1020060038091A
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English (en)
Korean (ko)
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KR20060113493A (ko
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피. 스테판 베드로시안
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에이저 시스템즈 엘엘시
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    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
    • H04J3/0632—Synchronisation of packets and cells, e.g. transmission of voice via a packet network, circuit emulation service [CES]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/14—Interfaces between hierarchically different network devices between access point controllers and backbone network device
    • 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
    • H04J3/0641—Change of the master or reference, e.g. take-over or failure of the master
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
KR1020060038091A 2005-04-27 2006-04-27 패킷-기반 네트워크들에서의 라인-타이밍 Expired - Fee Related KR101234360B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/115,715 US7539200B2 (en) 2005-04-27 2005-04-27 Line-timing in packet-based networks
US11/115,715 2005-04-27

Publications (2)

Publication Number Publication Date
KR20060113493A KR20060113493A (ko) 2006-11-02
KR101234360B1 true KR101234360B1 (ko) 2013-02-15

Family

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KR1020060038091A Expired - Fee Related KR101234360B1 (ko) 2005-04-27 2006-04-27 패킷-기반 네트워크들에서의 라인-타이밍

Country Status (5)

Country Link
US (3) US7539200B2 (enExample)
JP (2) JP5039319B2 (enExample)
KR (1) KR101234360B1 (enExample)
CN (1) CN1855784B (enExample)
GB (1) GB2427327B (enExample)

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US7539200B2 (en) * 2005-04-27 2009-05-26 Agere Systems Inc. Line-timing in packet-based networks
FR2886793A1 (fr) * 2005-06-06 2006-12-08 France Telecom Procede et systeme de transmission d'un rythme de synchronisation sur un lien reseau de technologie ethernet et leurs applications
US7835366B2 (en) * 2005-11-01 2010-11-16 Ciena Corporation Three-way message exchange clock synchronization
US7492732B2 (en) * 2005-11-01 2009-02-17 Nortel Networks Limited Differential clock recovery in packet networks
US8306070B2 (en) * 2005-12-02 2012-11-06 Broadcom Corporation Method and system for speed negotiation for twisted pair links using intelligent E-FIFO in fibre channel systems
EP1914914B1 (en) * 2006-10-18 2010-11-03 Tellabs Oy Method and arrangement for synchronization
US8199695B2 (en) * 2007-04-10 2012-06-12 International Business Machines Corporation Clock signal synchronization among computers in a network
EP2009821B1 (en) 2007-06-28 2011-11-02 Alcatel Lucent Method of distributing a clock signal in a circuit emulation service network
US8831435B2 (en) * 2008-03-28 2014-09-09 Centurylink Intellectual Property Llc System and method for dual wavelength communications of a clock signal
JP4628440B2 (ja) * 2008-03-31 2011-02-09 富士通株式会社 クロック発生機能付き装置、基準周波数等設定方法、および基準周波数等調整方法
WO2009126665A1 (en) 2008-04-07 2009-10-15 Actelis Networks Ltd. Method and apparatus for resilient clock transfer over multiple dsl lines
CN102415129B (zh) * 2009-04-24 2014-07-23 三菱电机株式会社 无线基站
CN101931524A (zh) * 2009-06-25 2010-12-29 中兴通讯股份有限公司 一种同步数字传输网的时钟源选择方法
KR101298806B1 (ko) * 2009-12-21 2013-08-22 한국전자통신연구원 다수의 이더넷 물리층 인터페이스를 지원하는 클럭 운용 방법 및 그 장치
WO2011088150A2 (en) * 2010-01-12 2011-07-21 Vitesse Semiconductor Corporation Method for switching master/slave timing in a 1000base-t link without traffic disruption
EP2521292B1 (en) * 2011-05-06 2017-08-09 ADVA Optical Networking SE Clock monitoring in a synchronous network
US8934891B2 (en) * 2012-04-19 2015-01-13 Broadcom Corporation Small cell network self-synchronization
US9301267B2 (en) * 2012-08-01 2016-03-29 Broadcom Corporation Radio over Ethernet
US9513388B2 (en) * 2014-03-12 2016-12-06 Sercel Method for providing synchronization in a data acquisition system
US9219562B2 (en) * 2014-05-08 2015-12-22 Nokia Solutions And Networks Oy System and method to dynamically redistribute timing and synchronization in a packet switched network
FR3026255B1 (fr) * 2014-09-24 2017-12-22 Thales Sa Architecture d'echange de donnees numeriques utilisable dans des applications avioniques
WO2017124288A1 (zh) * 2016-01-19 2017-07-27 华为技术有限公司 传输时钟报文的方法和装置
JP2018074375A (ja) * 2016-10-28 2018-05-10 富士通株式会社 クロック再生回路，半導体集積回路装置およびｒｆタグ
US10390116B1 (en) * 2018-11-30 2019-08-20 Ciena Corporation Optical modem line timing
JP7301689B2 (ja) * 2019-09-13 2023-07-03 株式会社東芝 Ｐｔｐメッセージ選択方法およびプログラム、ならびにｐｔｐスレーブ装置
CN116074871A (zh) * 2019-11-29 2023-05-05 华为技术有限公司 一种时钟故障定位方法和网络设备

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JPS6066539A (ja) 1983-09-22 1985-04-16 Nec Corp クロック信号選択方式
SU1270764A1 (ru) 1984-07-25 1986-11-15 Военная Ордена Ленина,Ордена Октябрьской Революции И Ордена Суворова Академия Им.Ф.Э.Дзержинского Устройство дл определени выборочной медианы
JP3244247B2 (ja) * 1994-08-24 2002-01-07 日本電信電話株式会社 クロック信号現用予備切替方式
JPH08256136A (ja) * 1995-03-17 1996-10-01 Fujitsu Ltd 同期クロック切替装置
JP3298353B2 (ja) * 1995-03-20 2002-07-02 富士通株式会社 同期信号源選択方式
US5982831A (en) 1996-02-21 1999-11-09 Hewlett-Packard Company Feed forward method and apparatus for generating a clock signal
JPH1155234A (ja) 1997-07-30 1999-02-26 Fujitsu Ltd クロック周波数精度監視回路
JP3460118B2 (ja) * 1998-08-26 2003-10-27 富士通株式会社 同期網システムのクロック管理方法及び伝送装置
US6618358B2 (en) 1998-09-24 2003-09-09 Cisco Technology, Inc. Method and apparatus for switching a clock source from among multiple T1/E1 lines with user defined priority
US6665316B1 (en) 1998-09-29 2003-12-16 Agilent Technologies, Inc. Organization of time synchronization in a distributed system
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US20030012158A1 (en) * 2001-01-25 2003-01-16 Hang Jin System and method for synchronizing a base station in a distributed radio system
KR100401199B1 (ko) * 2001-09-27 2003-10-10 삼성전자주식회사 공중용 및 사설용 이동통신 시스템에서의 신호 공급 장치
JP3886392B2 (ja) * 2002-02-20 2007-02-28 Ｎｅｃエンジニアリング株式会社 クロック再生回路
US7391975B2 (en) * 2002-04-29 2008-06-24 Texas Instruments Incorporated Method of synchronizing servo timing in an optical wireless link
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US7706400B2 (en) * 2004-05-28 2010-04-27 Panasonic Corporation Transport stream processing device and transport stream processing method
JP2006217359A (ja) * 2005-02-04 2006-08-17 Matsushita Electric Ind Co Ltd 移動体通信システムの同期装置及び同期方法
US7539200B2 (en) * 2005-04-27 2009-05-26 Agere Systems Inc. Line-timing in packet-based networks
US7768983B2 (en) * 2005-10-04 2010-08-03 Telefonaktiebolaget Lm Ericsson (Publ) Radio network controller selection for IP-connected radio base station
EP2269362B1 (en) * 2008-04-21 2018-06-13 Telefonaktiebolaget LM Ericsson (publ) Method for enabling communication between a user equipment and an ims gateway

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Publication number Priority date Publication date Assignee Title
US5060241A (en) * 1988-11-03 1991-10-22 Telic Alcatel Synchronizing system for a private digital exchange connected to an isdn

Also Published As

Publication number Publication date
JP2006311559A (ja) 2006-11-09
JP5039319B2 (ja) 2012-10-03
CN1855784A (zh) 2006-11-01
US20060245453A1 (en) 2006-11-02
JP2012186831A (ja) 2012-09-27
GB2427327B (en) 2011-07-06
KR20060113493A (ko) 2006-11-02
US20120218986A1 (en) 2012-08-30
US8213436B2 (en) 2012-07-03
US20090141725A1 (en) 2009-06-04
GB0607970D0 (en) 2006-05-31
US7539200B2 (en) 2009-05-26
CN1855784B (zh) 2011-04-13
US8774197B2 (en) 2014-07-08
JP5563620B2 (ja) 2014-07-30
GB2427327A (en) 2006-12-20

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