CN1855784B - 基于分组的网络内的线路定时 - Google Patents

基于分组的网络内的线路定时 Download PDF

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Publication number
CN1855784B
CN1855784B CN2006100770276A CN200610077027A CN1855784B CN 1855784 B CN1855784 B CN 1855784B CN 2006100770276 A CN2006100770276 A CN 2006100770276A CN 200610077027 A CN200610077027 A CN 200610077027A CN 1855784 B CN1855784 B CN 1855784B
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China
Prior art keywords
clock signal
node
signal
clock
recovered
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Expired - Fee Related
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CN2006100770276A
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English (en)
Chinese (zh)
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CN1855784A (zh
Inventor
P·S·贝德罗西安
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Avago Technologies International Sales Pte Ltd
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Agere Systems LLC
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Publication of CN1855784A publication Critical patent/CN1855784A/zh
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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
    • 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
    • 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

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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)
CN2006100770276A 2005-04-27 2006-04-26 基于分组的网络内的线路定时 Expired - Fee Related CN1855784B (zh)

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
CN1855784A CN1855784A (zh) 2006-11-01
CN1855784B true CN1855784B (zh) 2011-04-13

Family

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Family Applications (1)

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CN2006100770276A Expired - Fee Related CN1855784B (zh) 2005-04-27 2006-04-26 基于分组的网络内的线路定时

Country Status (5)

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

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US7835366B2 (en) * 2005-11-01 2010-11-16 Ciena Corporation Three-way message exchange clock synchronization
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
ATE532280T1 (de) 2007-06-28 2011-11-15 Alcatel Lucent Verfahren zur verteilung eines uhrensignals in einem schaltungsemulierungs-dienstnetzwerk
US7864747B2 (en) * 2008-03-28 2011-01-04 Embarq Holdings Company, Llc System and method for communicating timing to a remote node
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
EP3396877B1 (en) * 2016-01-19 2024-07-31 Huawei Technologies Co., Ltd. Clock packet transmission method and device
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
CN112887122B (zh) * 2019-11-29 2022-11-04 华为技术有限公司 一种时钟故障定位方法和网络设备
US12120213B2 (en) * 2022-05-30 2024-10-15 Airoha Technology Corp. 100BASE-TX transceiver with transmit clock selected from output clock of clock generator circuit and receive recovered clock of clock and data recovery circuit and associated method

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CN1411300A (zh) * 2001-09-27 2003-04-16 三星电子株式会社 用于公共和专用移动通信系统的信号提供装置和方法
CN1459940A (zh) * 2002-05-21 2003-12-03 深圳市中兴通讯股份有限公司上海第二研究所 一种宽带码分多址系统中时间同步的方法
CN1505279A (zh) * 2002-12-02 2004-06-16 ��ʽ����Ntt����Ħ 无线接入网络系统、无线通信方法、同步服务器及节点

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FR2638591B1 (fr) * 1988-11-03 1990-11-30 Telephonie Ind Commerciale Agencement de synchronisation pour autocommutateur numerique prive raccorde a un reseau rnis
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
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JP2000350245A (ja) * 1999-06-03 2000-12-15 Matsushita Electric Ind Co Ltd 無線通信システム
US6810270B1 (en) 2000-11-02 2004-10-26 Ericsson Inc. Providing reference signal to radio heads
US20030012158A1 (en) * 2001-01-25 2003-01-16 Hang Jin System and method for synchronizing a base station in a distributed radio system
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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US7539200B2 (en) * 2005-04-27 2009-05-26 Agere Systems Inc. Line-timing in packet-based networks
CN101278580B (zh) * 2005-10-04 2012-10-17 艾利森电话股份有限公司 Ip连接的无线电基站的无线电网络控制器选择
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Publication number Priority date Publication date Assignee Title
CN1411300A (zh) * 2001-09-27 2003-04-16 三星电子株式会社 用于公共和专用移动通信系统的信号提供装置和方法
CN1459940A (zh) * 2002-05-21 2003-12-03 深圳市中兴通讯股份有限公司上海第二研究所 一种宽带码分多址系统中时间同步的方法
CN1505279A (zh) * 2002-12-02 2004-06-16 ��ʽ����Ntt����Ħ 无线接入网络系统、无线通信方法、同步服务器及节点

Also Published As

Publication number Publication date
GB2427327A (en) 2006-12-20
KR101234360B1 (ko) 2013-02-15
US20060245453A1 (en) 2006-11-02
JP5563620B2 (ja) 2014-07-30
GB0607970D0 (en) 2006-05-31
US8213436B2 (en) 2012-07-03
JP2012186831A (ja) 2012-09-27
US7539200B2 (en) 2009-05-26
US8774197B2 (en) 2014-07-08
KR20060113493A (ko) 2006-11-02
US20120218986A1 (en) 2012-08-30
GB2427327B (en) 2011-07-06
CN1855784A (zh) 2006-11-01
JP2006311559A (ja) 2006-11-09
JP5039319B2 (ja) 2012-10-03
US20090141725A1 (en) 2009-06-04

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Owner name: AGERE SYSTEMS GUARDIAN CORP.

Free format text: FORMER NAME: EGREE SYSTEM CO. LTD.

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Patentee before: AGERE SYSTEMS Inc.

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Granted publication date: 20110413