PL2676389T3 - Sposób zapewniania asymetrii opóźnienia drogi dla synchronizacji czasu pomiędzy zegarem nadrzędnym a podrzędnym za pośrednictwem sieci komunikacyjnej - Google Patents

Sposób zapewniania asymetrii opóźnienia drogi dla synchronizacji czasu pomiędzy zegarem nadrzędnym a podrzędnym za pośrednictwem sieci komunikacyjnej

Info

Publication number
PL2676389T3
PL2676389T3 PL11716547T PL11716547T PL2676389T3 PL 2676389 T3 PL2676389 T3 PL 2676389T3 PL 11716547 T PL11716547 T PL 11716547T PL 11716547 T PL11716547 T PL 11716547T PL 2676389 T3 PL2676389 T3 PL 2676389T3
Authority
PL
Poland
Prior art keywords
master
providing
time synchronization
path delay
slave clock
Prior art date
Application number
PL11716547T
Other languages
English (en)
Inventor
Stefano Ruffini
Giulio Bottari
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
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 Telefonaktiebolaget Lm Ericsson (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Publication of PL2676389T3 publication Critical patent/PL2676389T3/pl

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
    • 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
    • H04J3/0647—Synchronisation among TDM nodes
    • H04J3/065—Synchronisation among TDM nodes using timestamps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/08—Time-division multiplex systems
    • 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
    • H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0852—Delays
    • H04L43/0858—One way delays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0073—Services, e.g. multimedia, GOS, QOS
    • H04J2203/0082—Interaction of SDH with non-ATM protocols
    • H04J2203/0085—Support of Ethernet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0089—Multiplexing, e.g. coding, scrambling, SONET
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
PL11716547T 2011-02-15 2011-04-27 Sposób zapewniania asymetrii opóźnienia drogi dla synchronizacji czasu pomiędzy zegarem nadrzędnym a podrzędnym za pośrednictwem sieci komunikacyjnej PL2676389T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11154544 2011-02-15

Publications (1)

Publication Number Publication Date
PL2676389T3 true PL2676389T3 (pl) 2017-02-28

Family

ID=44041488

Family Applications (1)

Application Number Title Priority Date Filing Date
PL11716547T PL2676389T3 (pl) 2011-02-15 2011-04-27 Sposób zapewniania asymetrii opóźnienia drogi dla synchronizacji czasu pomiędzy zegarem nadrzędnym a podrzędnym za pośrednictwem sieci komunikacyjnej

Country Status (7)

Country Link
US (2) US9094142B2 (pl)
EP (1) EP2676389B1 (pl)
CN (2) CN103718483B (pl)
PL (1) PL2676389T3 (pl)
PT (1) PT2676389T (pl)
RU (1) RU2546198C1 (pl)
WO (1) WO2012110109A2 (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10389645B2 (en) * 2015-04-30 2019-08-20 Huawei Technologies Co., Ltd. Communications network delay variation smoothing method, apparatus, and system

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8718482B1 (en) * 2009-11-10 2014-05-06 Calix, Inc. Transparent clock for precision timing distribution
US8953948B2 (en) * 2011-02-23 2015-02-10 Ciena Corporation Optical transport network synchronization and timestamping systems and methods
US9680567B2 (en) * 2011-03-03 2017-06-13 Acacia Communications, Inc. Fault localization and fiber security in optical transponders
WO2013170910A1 (en) * 2012-05-16 2013-11-21 Telefonaktiebolaget L M Ericsson (Publ) Determining properties of an optical communications path in an optical communications network
US9252866B2 (en) * 2012-08-02 2016-02-02 Sony Corporation Relay node aggregation of data transfers in a wireless telecommunication system
US10075258B2 (en) * 2012-08-22 2018-09-11 Telefonaktiebolaget Lm Ericsson (Publ) Distributing path delay data in a connection-oriented communications network
CN104782064A (zh) 2012-09-06 2015-07-15 瑞典爱立信有限公司 通过非对称网络的公用公共无线电接口的使用
EP2712100A1 (en) * 2012-09-19 2014-03-26 Alcatel Lucent Method for switching from a one-way into a two-way signalling mode as a protection scheme for the distribution of time and frequency over a packet switched network
KR101882727B1 (ko) 2013-08-08 2018-07-27 삼성전자주식회사 컨텐츠 중심 네트워크를 구성하는 단말 장치 및 이의 통신 방법
CA2921761A1 (en) 2013-08-22 2015-02-26 Telefonaktiebolaget L M Ericsson (Publ) A method for detecting timing references affected by a change in path delay asymmetry between nodes in a communications network
JP2017098588A (ja) * 2014-02-20 2017-06-01 日本電気株式会社 通信システム、無線通信装置及び無線通信方法
US9276678B1 (en) 2014-07-23 2016-03-01 Google Inc. Scalable multi-source GPS signal distribution network
US9369979B1 (en) 2014-07-23 2016-06-14 Google Inc. Scalable multi-source GPS signal distribution network
US9432144B2 (en) 2014-09-12 2016-08-30 Ciena Corporation Precision time transfer systems and methods in optical networks
CN104836630B (zh) * 2015-05-21 2017-05-24 大连理工大学 Ieee1588时钟同步系统及其实现方法
US9602271B2 (en) * 2015-06-01 2017-03-21 Globalfoundries Inc. Sub-nanosecond distributed clock synchronization using alignment marker in ethernet IEEE 1588 protocol
US10439712B2 (en) 2016-09-09 2019-10-08 Huawei Technologies Co., Ltd. System and methods for determining propagation delay
US10341083B2 (en) * 2016-09-09 2019-07-02 Huawei Technologies Co., Ltd. System and methods for network synchronization
CN106774634A (zh) * 2016-12-08 2017-05-31 郑州云海信息技术有限公司 一种时钟偏斜校正方法、装置和系统
CN106685564B (zh) * 2016-12-28 2018-10-02 深圳市英特瑞半导体科技有限公司 主时钟节点的相差测量方法及装置和校准方法及装置
US10594395B2 (en) 2018-07-23 2020-03-17 Ciena Corporation Systems and methods for compensating coherent optics delay asymmetry in a packet optical network
JP7010170B2 (ja) * 2018-08-03 2022-02-10 日本電信電話株式会社 時刻同期システム及び時刻同期方法
CN110267200A (zh) * 2019-06-27 2019-09-20 合肥更鼓电子科技有限公司 一种基于高精度时间同步网络的基站定位方法
JP2021169962A (ja) * 2020-04-15 2021-10-28 国立研究開発法人情報通信研究機構 時計の同期システム及び同期方法
US11191053B1 (en) * 2020-08-06 2021-11-30 Facebook, Inc. Network-based clock for time distribution across a wireless network
FR3114712A1 (fr) 2020-09-29 2022-04-01 Orange Procédé de synchronisation d’une pluralité de serveurs de communications, dispositifs et programmes d’ordinateurs correspondants
US11552722B2 (en) 2020-12-10 2023-01-10 Ciena Corporation Precision time protocol using a coherent optical DSP frame

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT957184B (it) * 1972-04-12 1973-10-10 Mischiatti S Apparecchiatura elettronica per il comando e la sincronizzazione locale o universale di orologi
RU2133489C1 (ru) * 1997-07-09 1999-07-20 Акционерное общество закрытого типа Фирма "Котлин" Система формирования временных поправок по сигналам спутниковой радионавигационной системы к шкалам времени пространственно разнесенных пунктов
US7933295B2 (en) * 1999-04-13 2011-04-26 Broadcom Corporation Cable modem with voice processing capability
US7254116B2 (en) * 2000-04-07 2007-08-07 Broadcom Corporation Method and apparatus for transceiver noise reduction in a frame-based communications network
US6711411B1 (en) * 2000-11-07 2004-03-23 Telefonaktiebolaget Lm Ericsson (Publ) Management of synchronization network
US8582659B2 (en) * 2003-09-07 2013-11-12 Microsoft Corporation Determining a decoding time stamp from buffer fullness
WO2005122455A1 (ja) * 2004-06-14 2005-12-22 Nec Corporation 双方向通信方法と装置、システムならびにプログラム
JP2008544592A (ja) * 2005-03-18 2008-12-04 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ネットワークノードの同期方法
US7633870B2 (en) * 2005-04-18 2009-12-15 Symmetricom, Inc. Network forwarding device and method that forward timing packets through the device with a constant delay
US20070147435A1 (en) * 2005-12-23 2007-06-28 Bruce Hamilton Removing delay fluctuation in network time synchronization
CN100583693C (zh) * 2005-12-30 2010-01-20 华为技术有限公司 一种实现空口同步发送数据的方法和系统
US7729387B2 (en) * 2007-01-31 2010-06-01 Agere Systems Inc. Methods and apparatus for controlling latency variation in a packet transfer network
CN101043277B (zh) * 2007-04-29 2010-10-13 Ut斯达康通讯有限公司 移动通信终端接收性能测试中的脉冲同步方法及单元
US7948897B2 (en) * 2007-08-15 2011-05-24 Adc Telecommunications, Inc. Delay management for distributed communications networks
RU2356080C1 (ru) * 2007-11-26 2009-05-20 Российская Федерация,от имени которой выступает государственный заказчик - Федеральное агентство по атомной энергии Система синхронизации времени по проводному радиоканалу
US8559412B1 (en) * 2007-12-31 2013-10-15 Rockstar Consortium Us Lp Communication time information in a network to enable synchronization
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
US8274998B2 (en) * 2008-10-02 2012-09-25 Cortina Systems, Inc. Systems and methods for packet based timing offset determination using timing adjustment information
CN101997669B (zh) * 2009-08-14 2015-10-21 中兴通讯股份有限公司 光传送网承载时间同步协议时的时间校正方法及系统
CN102577194B (zh) * 2009-08-25 2014-11-12 Sem技术公司 使分布式网络内时钟同步的系统和方法
US8462821B1 (en) * 2011-02-18 2013-06-11 Juniper Networks, Inc. Precision timing using a modified synchronization operation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10389645B2 (en) * 2015-04-30 2019-08-20 Huawei Technologies Co., Ltd. Communications network delay variation smoothing method, apparatus, and system

Also Published As

Publication number Publication date
EP2676389B1 (en) 2016-08-24
CN106330376B (zh) 2017-12-01
US9094142B2 (en) 2015-07-28
CN106330376A (zh) 2017-01-11
US20150288473A1 (en) 2015-10-08
WO2012110109A3 (en) 2015-06-25
RU2013142096A (ru) 2015-03-27
PT2676389T (pt) 2016-11-07
US9686034B2 (en) 2017-06-20
CN103718483A (zh) 2014-04-09
RU2546198C1 (ru) 2015-04-10
EP2676389A2 (en) 2013-12-25
US20140079409A1 (en) 2014-03-20
CN103718483B (zh) 2016-09-14
WO2012110109A2 (en) 2012-08-23

Similar Documents

Publication Publication Date Title
PT2676389T (pt) Método de facultar uma assimetria de atraso de percurso para sincronização de tempo entre um relógio mestre e um escravo através de uma rede de comunicação
EP2734904A4 (en) SYSTEMS AND METHODS FOR NETWORK SYNCHRONIZATION
GB2491757B (en) Method and apparatus for clock synchronization
EP2732425A4 (en) SYSTEM AND METHOD FOR SYNCHRONIZING PRODUCT FITTINGS
EP2782290A4 (en) METHOD, SYSTEM AND DEVICE FOR CARRYING OUT A HYBRID NETWORKING OF MULTIPLE TACTICAL SYNCHRONIZATION TECHNOLOGIES
EP2696283A4 (en) METHOD AND SYSTEM FOR SYNCHRONIZING APPLICATIONS BETWEEN DEVICES
EP2761516A4 (en) METHOD AND APPARATUS FOR LOW GRIP DISTRIBUTED CLOCK CALIBRATION
EP2770678A4 (en) METHOD AND SYSTEM FOR SYNCHRONIZATION OF CLOCKS IN PROTOCOL 1588-2008
EP2806603A4 (en) NETWORK SYSTEM AND SYNCHRONIZATION PROCESS FOR WAY INFORMATION
EP2689556A4 (en) METHOD AND SYSTEM FOR PROVIDING A STATE MODEL OF AN APPLICATION PROGRAM
EP2807874A4 (en) METHOD FOR FREQUENCY SYNCHRONIZATION FOR N UDS IN A DOWNLINK COORDINATED MULTI-POINT TRANSMISSION SCENARIO
EP2695314A4 (en) ADVANCED BODY B AND EXTENSION CARRIER CONFIGURATION METHOD
EP2991250A4 (en) METHOD AND APPARATUS FOR PTP SYNCHRONOUS NETWORK
EP2690915A4 (en) METHOD FOR ROBUST DOWNLINK TIME SYNCHRONIZATION OF AN LTE SYSTEM
EP2738971A4 (en) METHOD AND DEVICE FOR SYNCHRONIZING CLOCKS
PT2736379T (pt) Método para fazer um cacifo
EP2767135A4 (en) METHOD AND SYSTEM FOR OPTIMIZING SETTINGS OF NETWORK ELEMENTS
EP2727377A4 (en) SYSTEMS, METHODS AND MANUFACTURED SUBJECT FOR CONFIGURING A LEGAL PROSTHESIS
EP2774325A4 (en) SYSTEM AND METHOD FOR EFFECTIVELY AWAKENING A COMPUTER SYSTEM OVER A NETWORK
BR112013033179A2 (pt) artigo de fumo e método para fabricar um artigo de fumo
PT2527580E (pt) Peça de encaixe isoladora para um caixilho formado por perfis
IL229561A0 (en) A sandal, a set of sandal and stripes and a sandal manufacturing method
GB2512689B (en) Timing advance method for synchronized wifi network
EP2884807A4 (en) METHOD AND SYSTEM FOR CYCLE SYNCHRONIZATION FOR A BASE STATION
EP2700171A4 (en) SYSTEM AND METHOD FOR CUTTING SIGNALING