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 PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- clock signal
- node
- signal
- institute
- recovered
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 230000001360 synchronised effect Effects 0.000 claims description 13
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 abstract description 12
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
- 238000009795 derivation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
-
- 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
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/115,715 | 2005-04-27 | ||
US11/115,715 US7539200B2 (en) | 2005-04-27 | 2005-04-27 | Line-timing in packet-based networks |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1855784A CN1855784A (zh) | 2006-11-01 |
CN1855784B true CN1855784B (zh) | 2011-04-13 |
Family
ID=36581065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006100770276A Active 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 (zh) |
JP (2) | JP5039319B2 (zh) |
KR (1) | KR101234360B1 (zh) |
CN (1) | CN1855784B (zh) |
GB (1) | GB2427327B (zh) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US7492732B2 (en) * | 2005-11-01 | 2009-02-17 | Nortel Networks Limited | Differential clock recovery in packet networks |
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 |
EP2009821B1 (en) | 2007-06-28 | 2011-11-02 | Alcatel Lucent | Method of distributing a clock signal in a circuit emulation service network |
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 |
US8837531B2 (en) * | 2008-04-07 | 2014-09-16 | Actelis Networks (Israel) Ltd. | Method and apparatus for resilient clock transfer over multiple DSL lines |
WO2010122686A1 (ja) * | 2009-04-24 | 2010-10-28 | 三菱電機株式会社 | 無線基地局 |
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 |
CN102714590B (zh) * | 2010-01-12 | 2015-03-25 | 维特赛半导体公司 | 用于在不使业务中断的情况下切换1000base-t链路中的主装置/从装置计时的方法 |
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 |
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 |
Citations (3)
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 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
US6665316B1 (en) | 1998-09-29 | 2003-12-16 | Agilent Technologies, Inc. | Organization of time synchronization in a distributed system |
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 |
CN100488082C (zh) | 2003-07-28 | 2009-05-13 | 华为技术有限公司 | 时钟源频率偏移检测方法 |
EP1758288A4 (en) * | 2004-05-28 | 2008-04-16 | Matsushita Electric Ind Co Ltd | TRANSPORT CURRENT PROCESSING DEVICE AND TRANSPORT CURRENT 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 |
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 |
WO2009131497A1 (en) * | 2008-04-21 | 2009-10-29 | Telefonaktiebolaget L M Ericsson (Publ) | Method for enabling communication between a user equipment and an ims gateway |
-
2005
- 2005-04-27 US US11/115,715 patent/US7539200B2/en active Active
-
2006
- 2006-04-21 GB GB0607970A patent/GB2427327B/en not_active Expired - Fee Related
- 2006-04-26 CN CN2006100770276A patent/CN1855784B/zh active Active
- 2006-04-27 KR KR1020060038091A patent/KR101234360B1/ko active IP Right Grant
- 2006-04-27 JP JP2006122764A patent/JP5039319B2/ja not_active Expired - Fee Related
-
2009
- 2009-02-12 US US12/369,878 patent/US8213436B2/en active Active
-
2012
- 2012-05-02 JP JP2012105019A patent/JP5563620B2/ja not_active Expired - Fee Related
- 2012-05-03 US US13/462,927 patent/US8774197B2/en active Active
Patent Citations (3)
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 |
---|---|
CN1855784A (zh) | 2006-11-01 |
KR20060113493A (ko) | 2006-11-02 |
GB2427327A (en) | 2006-12-20 |
US8213436B2 (en) | 2012-07-03 |
JP5563620B2 (ja) | 2014-07-30 |
US20090141725A1 (en) | 2009-06-04 |
JP2006311559A (ja) | 2006-11-09 |
US20060245453A1 (en) | 2006-11-02 |
GB2427327B (en) | 2011-07-06 |
US8774197B2 (en) | 2014-07-08 |
GB0607970D0 (en) | 2006-05-31 |
JP5039319B2 (ja) | 2012-10-03 |
KR101234360B1 (ko) | 2013-02-15 |
JP2012186831A (ja) | 2012-09-27 |
US7539200B2 (en) | 2009-05-26 |
US20120218986A1 (en) | 2012-08-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1855784B (zh) | 基于分组的网络内的线路定时 | |
CN103563287B (zh) | 同步设备和同步方法 | |
US10476657B2 (en) | Device and method for supporting clock transfer of multiple clock domains | |
EP3301835B1 (en) | Apparatus and methods for asynchronous clock mapping | |
CN103001720A (zh) | 时间同步方法和装置 | |
CN102237941A (zh) | 时间同步系统及方法 | |
US8718213B2 (en) | Clock synchronization method, apparatus, and system | |
JP5429867B2 (ja) | 通信装置および網同期方法 | |
CN101005349B (zh) | 一种时钟同步方法和系统 | |
AU757626B2 (en) | Frame phase synchronous system and a method thereof | |
CN101795190B (zh) | 用于调整时钟信号的方法和装置 | |
CN102342051B (zh) | 用于通过经由至少一个时间分发协议分开传输第一和第二数据来同步时钟的方法和相关的系统及模块 | |
CN111464252B (zh) | 通信方法和光模块 | |
CN103516454A (zh) | 时钟同步方法、装置及通信设备 | |
CN116232519A (zh) | 一种时钟的同步方法和网络设备 | |
CN112073140B (zh) | Cdr调试方法和设备 | |
GB2477058A (en) | Packet network clock distribution by line timing synchronisation with clock accuracy packets and selection amongst incoming timing signals | |
US20220286220A1 (en) | Transmitting and receiving synchronization data | |
CN116846502A (zh) | 一种授时方法、装置及存储介质 | |
CN106712882A (zh) | 一种t1数据信号的最大时间间隔误差的估计方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: AGERE SYSTEMS GUARDIAN CORP. Free format text: FORMER NAME: EGREE SYSTEM CO. LTD. |
|
CP03 | Change of name, title or address |
Address after: Delaware Patentee after: Agere Systems Inc. Address before: American Pennsylvania Patentee before: AGERE SYSTEMS Inc. |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: American Pennsylvania Patentee after: Agere Systems Inc. Address before: Delaware Patentee before: Agere Systems Inc. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20160914 Address after: Singapore Singapore Patentee after: Avago Technologies General IP (Singapore) Pte. Ltd. Address before: American Pennsylvania Patentee before: Agere Systems Inc. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20181019 Address after: Singapore Singapore Patentee after: Avago Technologies General IP (Singapore) Pte. Ltd. Address before: Singapore Singapore Patentee before: Avago Technologies General IP (Singapore) Pte. Ltd. |
|
TR01 | Transfer of patent right |