ATE448611T1 - System und verfahren zum synchronisieren von über telekom miteinander zusammenhängenden takten in einem passiven optischen zugriffsnetzwerk auf ethernet-basis - Google Patents

System und verfahren zum synchronisieren von über telekom miteinander zusammenhängenden takten in einem passiven optischen zugriffsnetzwerk auf ethernet-basis

Info

Publication number
ATE448611T1
ATE448611T1 AT02721496T AT02721496T ATE448611T1 AT E448611 T1 ATE448611 T1 AT E448611T1 AT 02721496 T AT02721496 T AT 02721496T AT 02721496 T AT02721496 T AT 02721496T AT E448611 T1 ATE448611 T1 AT E448611T1
Authority
AT
Austria
Prior art keywords
telecom
clock
ethernet
network node
point
Prior art date
Application number
AT02721496T
Other languages
English (en)
Inventor
Thaddeus Dudziak
Dumitru Gruia
Joseph Decarolis
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Application granted granted Critical
Publication of ATE448611T1 publication Critical patent/ATE448611T1/de

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
    • H04J3/0638—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
    • H04J3/0664—Clock or time synchronisation among packet nodes using timestamps unidirectional timestamps
    • 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
    • H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0697—Synchronisation in a packet node
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q11/0066—Provisions for optical burst or packet networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0045—Synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
AT02721496T 2001-03-20 2002-03-20 System und verfahren zum synchronisieren von über telekom miteinander zusammenhängenden takten in einem passiven optischen zugriffsnetzwerk auf ethernet-basis ATE448611T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/813,774 US6470032B2 (en) 2001-03-20 2001-03-20 System and method for synchronizing telecom-related clocks in ethernet-based passive optical access network
PCT/US2002/008553 WO2002075969A1 (en) 2001-03-20 2002-03-20 System and method for synchronizing telecom-related clocks in ethernet-based passive optical access network

Publications (1)

Publication Number Publication Date
ATE448611T1 true ATE448611T1 (de) 2009-11-15

Family

ID=25213345

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02721496T ATE448611T1 (de) 2001-03-20 2002-03-20 System und verfahren zum synchronisieren von über telekom miteinander zusammenhängenden takten in einem passiven optischen zugriffsnetzwerk auf ethernet-basis

Country Status (7)

Country Link
US (2) US6470032B2 (de)
EP (1) EP1417785B1 (de)
AT (1) ATE448611T1 (de)
DE (1) DE60234349D1 (de)
ES (1) ES2335868T3 (de)
TW (1) TWI226769B (de)
WO (1) WO2002075969A1 (de)

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6870836B1 (en) * 2000-03-31 2005-03-22 Nortel Networks Limited System and method for transfer of IP data in an optical communication networks
US7228077B2 (en) * 2000-05-12 2007-06-05 Forster Energy Llc Channel gain control for an optical communications system utilizing frequency division multiplexing
US6700903B1 (en) * 2000-05-22 2004-03-02 Terawave Communications, Inc. Upstream scrambler seeding system and method in a passive optical network
US7028204B2 (en) * 2000-09-06 2006-04-11 Schneider Automation Inc. Method and apparatus for ethernet prioritized device clock synchronization
US6572293B1 (en) * 2000-09-14 2003-06-03 Electronics For Imaging, Inc. Simple and inexpensive high-capacity output catch tray for document production machines
US20020110157A1 (en) * 2001-02-14 2002-08-15 Kestrel Solutions Method and apparatus for providing a gigabit ethernet circuit pack
US6470032B2 (en) * 2001-03-20 2002-10-22 Alloptic, Inc. System and method for synchronizing telecom-related clocks in ethernet-based passive optical access network
EP1271825A1 (de) * 2001-06-25 2003-01-02 Lucent Technologies Inc. Verfahren und System zur Übertragung von multiplexierten optischen Nachrichten
FI111898B (fi) * 2001-08-17 2003-09-30 Heikki Tapio Laamanen Menetelmä tilaajayhteyden järjestämiseksi ja menetelmää soveltava järjestelmä
US20030048501A1 (en) * 2001-09-12 2003-03-13 Michael Guess Metropolitan area local access service system
US20030093703A1 (en) * 2001-11-09 2003-05-15 Adc Dsl Systems, Inc. Multiple dataport clock synchronization
JP4491771B2 (ja) * 2001-11-29 2010-06-30 日本ビクター株式会社 光送受信システム
KR100421151B1 (ko) * 2002-01-17 2004-03-04 삼성전자주식회사 기가비트 이더넷 수동 광 가입자 망 시스템에서의 동작구현방법 및 그 이더넷 프레임 구조
KR100419425B1 (ko) * 2002-02-01 2004-02-21 삼성전자주식회사 기가비트 이더넷 - 수동 광 네트워크에서 아이들 패턴출력 제어회로
GB2385684A (en) * 2002-02-22 2003-08-27 Sony Uk Ltd Frequency synchronisation of clocks
US7483450B1 (en) * 2002-03-08 2009-01-27 Nortel Networks Limited Method and system for link-based clock synchronization in asynchronous networks
US7206516B2 (en) * 2002-04-30 2007-04-17 Pivotal Decisions Llc Apparatus and method for measuring the dispersion of a fiber span
US6816018B1 (en) 2002-07-19 2004-11-09 3Com Corporation System and method for partitioning a system timing reference among multiple circuit boards
GB2392353B (en) * 2002-08-21 2005-11-02 Zarlink Semiconductor Ltd Method and apparatus for distributing timing data across a packet network
US7079554B2 (en) * 2002-10-16 2006-07-18 Terasync, Ltd. System and method for synchronizing between communication terminals of asynchronous packets networks
US7248802B2 (en) * 2002-11-27 2007-07-24 Nokia Corporation Distribution of a synchronization signal in an optical communication system
US7844690B1 (en) 2003-01-24 2010-11-30 Douglas Durham Systems and methods for creation and use of a virtual protocol analyzer
US7954109B1 (en) 2003-01-24 2011-05-31 Jds Uniphase Corporation Systems and methods for time based sorting and display of captured data events in a multi-protocol communications system
JP4209890B2 (ja) * 2003-02-20 2009-01-14 ザ−リンク・セミコンダクタ−・インコ−ポレイテッド パケット化されたネットワーク上でリファレンスクロックの配信手段を提供する方法
GB2399263A (en) * 2003-03-07 2004-09-08 Zarlink Semiconductor Ltd Clock synchronisation over a packet network
US9337948B2 (en) 2003-06-10 2016-05-10 Alexander I. Soto System and method for performing high-speed communications over fiber optical networks
US20040264961A1 (en) * 2003-06-12 2004-12-30 Nam Hong Soon Ethernet passive optical network system, and optical network terminal and optical line terminal provided in the same
US7409154B2 (en) * 2003-08-05 2008-08-05 Lucent Technologies Inc. System and method for a protected optical access ring network
US7920601B2 (en) * 2003-12-19 2011-04-05 Gentex Corporation Vehicular communications system having improved serial communication
US7103073B2 (en) * 2004-02-19 2006-09-05 Advanced Fibre Communications, Inc. Optical line termination, passive optical network, and method and apparatus for performance monitoring
WO2005112336A1 (ja) * 2004-05-14 2005-11-24 Mitsubishi Denki Kabushiki Kaisha 暗号機能付きｐｏｎシステム及びｐｏｎシステムの暗号化方法
US20060018322A1 (en) * 2004-07-21 2006-01-26 Moshe Oron Dedicated service class for voice traffic
GB2417867B (en) * 2004-09-03 2007-04-11 Sony Uk Ltd Data transmission
CN100370795C (zh) * 2004-09-09 2008-02-20 烽火通信科技股份有限公司 以太网无源光网络系统中光网络单元伪环回时钟的实现方法
US8625547B1 (en) 2005-03-11 2014-01-07 At&T Intellectual Property Ii, L.P. Two-tier wireless broadband access network
KR101242461B1 (ko) 2005-06-29 2013-03-12 테크노버스, 인크. 이더넷 수동 광 네트워크에서 서로 다른 클록 주파수를 수용하는 방법
CN100542083C (zh) * 2005-08-24 2009-09-16 华为技术有限公司 通过分组网络实现网络同步的方法和系统
CN1866803B (zh) * 2005-09-13 2012-05-30 华为技术有限公司 一种在以太网设备中解决时钟同步的方法
CN100589433C (zh) * 2005-10-25 2010-02-10 华为技术有限公司 通过分组网络提供时钟同步的方法和系统
DE602005024158D1 (de) * 2005-12-19 2010-11-25 Alcatel Lucent Verfahren zum Durchreichen eines Signals mit konstanter Bitrate über einen Ethernet-Anschluss und System zur Ausführung des Verfahrens
CN101009584B (zh) * 2006-01-24 2011-04-20 华为技术有限公司 对无源光网络进行网络速率升级的方法、设备和系统
US7660330B1 (en) * 2006-06-28 2010-02-09 Atrica Israel Ltd. Clock synchronization and distribution over an optical Ethernet network
US7649910B1 (en) 2006-07-13 2010-01-19 Atrica Israel Ltd. Clock synchronization and distribution over a legacy optical Ethernet network
US9178713B1 (en) 2006-11-28 2015-11-03 Marvell International Ltd. Optical line termination in a passive optical network
US8208815B1 (en) * 2006-11-30 2012-06-26 Marvell International Ltd. Bit accurate upstream burst transmission phase method for reducing burst data arrival variation
EP2101449A4 (de) * 2006-12-15 2012-02-29 Fujitsu Ltd Optisches kommunikationssystem, optisches kommunikationsverfahren dafür und kommunikationseinrichtung
DE102006060821A1 (de) * 2006-12-21 2008-06-26 Infineon Technologies Ag Netzsynchrone Datenschnittstelle
US7835644B2 (en) * 2006-12-22 2010-11-16 Verizon Patent And Licensing Inc. System for intercepting signals to be transmitted over a fiber optic network and associated method
US7660333B2 (en) * 2007-03-12 2010-02-09 Tellabs Petaluma, Inc. Method and apparatus for detecting and compensating for jitter in a communications network
JP2008301153A (ja) * 2007-05-31 2008-12-11 Oki Electric Ind Co Ltd 受動光ネットワーク通信方法及び受動光ネットワーク通信システム
US8401387B2 (en) * 2007-08-30 2013-03-19 Calix, Inc. Optical network interface devices and methods
JP5188170B2 (ja) * 2007-12-21 2013-04-24 株式会社日立製作所 ネットワークシステム及びｏｌｔ
US8831435B2 (en) * 2008-03-28 2014-09-09 Centurylink Intellectual Property Llc System and method for dual wavelength communications of a clock signal
CN101577600B (zh) * 2008-05-09 2013-04-24 华为技术有限公司 无源光网络系统时间同步方法、系统及光网络设备
CN101631014B (zh) * 2008-07-14 2012-04-04 华为技术有限公司 同步时钟的传递方法、装置和系统
CN101707505B (zh) 2008-08-13 2013-08-28 华为技术有限公司 一种在无源光网络中时间同步的方法、装置及无源光网络
CN101729180A (zh) * 2008-10-21 2010-06-09 华为技术有限公司 精准时钟同步方法及系统、精准时钟频率/时间同步装置
US8942561B2 (en) * 2008-10-21 2015-01-27 Broadcom Corporation Synchronization transport over passive optical networks
CN102282788A (zh) 2009-01-16 2011-12-14 瑞典爱立信有限公司 用于接入网中的方法和互连节点
CN101795423A (zh) * 2009-02-04 2010-08-04 中兴通讯股份有限公司 无源光网络系统的时间同步方法及其同步系统
US8335235B2 (en) * 2009-03-20 2012-12-18 Broadcom Corporation Methods and apparatus for extending MAC control message in EPON
CN102136900B (zh) * 2010-01-22 2014-11-05 华为技术有限公司 无源光网络的时间同步方法、装置及系统
US9252904B2 (en) * 2011-06-01 2016-02-02 Coriant Operations, Inc. Method and apparatus for distributing network timing in a mesh optical network
CN102264012B (zh) * 2011-07-29 2017-11-28 中兴通讯股份有限公司 一种pon系统的本振同步方法及onu和olt
WO2013025311A1 (en) * 2011-08-12 2013-02-21 Rambus Inc. Temporal redundancy
EP3185487B1 (de) * 2014-08-22 2018-12-12 Nippon Telegraph And Telephone Corporation Stationsseitige vorrichtung in einem optischen übertragungssystem, optisches übertragungssystem und verfahren zur optischen übertragung
CN104539438B (zh) * 2015-01-07 2018-04-17 烽火通信科技股份有限公司 一种用于pon系统中实现组播业务分层的系统及方法
WO2018161282A1 (zh) * 2017-03-08 2018-09-13 华为技术有限公司 时钟同步的方法、装置以及无源光网络系统

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5260978A (en) 1992-10-30 1993-11-09 Bell Communications Research, Inc. Synchronous residual time stamp for timing recovery in a broadband network
ATE180937T1 (de) 1994-03-15 1999-06-15 Siemens Ag Verfahren zur empfangsseitigen taktversorgung für digital mittels atm übertragene videosignale in faser-/koaxial-teilnehmeranschlussnetzen
JP3386221B2 (ja) * 1994-03-17 2003-03-17 富士通株式会社 非同期データのクロック乗換回路
IT1270046B (it) * 1994-04-21 1997-04-28 Italtel Spa Metodo e dispositivo per la temporizzazione della trasmissione di segnali digitali in un sistema tdma pon
US5796795A (en) * 1994-11-30 1998-08-18 Gte Laboratories Incorporated Data transferring circuit which aligns clock and data
CA2224605C (en) * 1995-06-27 2002-10-22 British Telecommunications Public Limited Company Synchronisation in digital communications networks
DE19620723A1 (de) * 1996-05-23 1997-11-27 Sel Alcatel Ag Optische Netzwerkeinheit und Zentrale eines optischen Kommunikationsnetzes
US6044122A (en) 1997-01-23 2000-03-28 Ericsson, Inc. Digital phase acquisition with delay locked loop
US6038226A (en) 1997-03-31 2000-03-14 Ericcson Inc. Combined signalling and PCM cross-connect and packet engine
US5978374A (en) 1997-04-03 1999-11-02 Ericsson, Inc. Protocol for data communication over a point-to-multipoint passive optical network
US6070248A (en) * 1997-12-12 2000-05-30 Advanced Micro Devices, Inc. Generation of a stable reference clock frequency from a base clock frequency that may vary depending on source
CA2243888C (en) * 1998-07-27 2005-10-18 Newbridge Networks Corporation Ds-o synchronization over a wireless atm link
US6665316B1 (en) * 1998-09-29 2003-12-16 Agilent Technologies, Inc. Organization of time synchronization in a distributed system
GB2349315B (en) * 1999-04-16 2003-06-04 Fujitsu Ltd Delay adjustment unit and method, optical network unit, and communication system
DE19929337C2 (de) * 1999-06-26 2002-04-25 Alcatel Sa Verfahren zum Generieren eines Taktes für den Rückkanal eines bidirektionalen Punkt-zu-Mehrpunkt Netzwerkes
WO2001019005A1 (en) * 1999-09-03 2001-03-15 Broadcom Corporation System and method for the synchronization and distribution of telephony timing information in a cable modem network
US20030012158A1 (en) * 2001-01-25 2003-01-16 Hang Jin System and method for synchronizing a base station in a distributed radio system
US7301968B2 (en) * 2001-03-02 2007-11-27 Pmc-Sierra Israel Ltd. Communication protocol for passive optical network topologies
US6470032B2 (en) * 2001-03-20 2002-10-22 Alloptic, Inc. System and method for synchronizing telecom-related clocks in ethernet-based passive optical access network
WO2003017545A1 (en) * 2001-08-21 2003-02-27 Broadcom Corporation System, method, and computer program product for ethernet-passive optical networks

Also Published As

Publication number Publication date
EP1417785A1 (de) 2004-05-12
US20020136232A1 (en) 2002-09-26
EP1417785A4 (de) 2005-10-19
US20030039272A1 (en) 2003-02-27
ES2335868T3 (es) 2010-04-06
DE60234349D1 (de) 2009-12-24
TWI226769B (en) 2005-01-11
US6470032B2 (en) 2002-10-22
US7555015B2 (en) 2009-06-30
WO2002075969A1 (en) 2002-09-26
EP1417785B1 (de) 2009-11-11

Similar Documents

Publication Publication Date Title
ATE448611T1 (de) System und verfahren zum synchronisieren von über telekom miteinander zusammenhängenden takten in einem passiven optischen zugriffsnetzwerk auf ethernet-basis
CN102104476B (zh) 时钟同步装置及方法
IL164037A (en) Synchronization system for all optical slotted ring dynamic networks
CN110224775A (zh) 一种时间信息确定的方法、装置及设备
DE60130319D1 (de) Mehrtor-brücke zur lieferung von netzwerkverbindungen
CN106357362B (zh) 一种时间同步方法、装置及ptp系统
WO2005055499A3 (en) Method and apparatus for synchronizing a data communications network
WO2004036341A3 (en) Synchronizing between terminals of asynchronous networks using timestamps
ATE364268T1 (de) System und verfahren zur synchronisierung und verteilung von telefontaktinformation in einem kabelmodem-netzwerk
WO2003041284A3 (en) Multiple dataport clock synchronization
WO2001078275A3 (en) Clock recovery in a packet-based data network
CN1672375A (zh) 分组交换网络中时间敏感数据的同步数据传输系统
CN108259109A (zh) Ptp域中的网络设备及tod同步方法
CN107786293A (zh) 时间同步方法、主时钟设备、从时钟设备及时间同步系统
CN106712885A (zh) 时钟同步方法、网络设备和网络系统
CN105450324B (zh) 一种xg‑pon1系统的onu端时间同步方法与装置
CN102916758A (zh) 以太网时间同步装置和网络设备
WO2018076651A1 (zh) 一种时间同步方法、设备及计算机存储介质
DE602004017423D1 (de) Synchronisation von takten über mehrerepaketnetzwerke hinweg
CN103546273A (zh) 基于ptp帧的频率同步装置及方法
CN107636627B (zh) 时刻同步装置、时刻同步系统及时刻同步方法
JP2002051078A (ja) 基準クロック信号を移送する方法
ATE308214T1 (de) Verfahren zur optimierung von zugangen zu dem internet durch ein zellulares netzwerk und entsprechendes system
DE60130480D1 (de) Verfahren und vorrichtung zur datenübertragung über einen tdm-bus
SE0201008D0 (sv) A method and a system for synchronising digital data streams

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties