CN106105103A - 时钟同步方法、设备及通信系统 - Google Patents
时钟同步方法、设备及通信系统 Download PDFInfo
- Publication number
- CN106105103A CN106105103A CN201480076842.3A CN201480076842A CN106105103A CN 106105103 A CN106105103 A CN 106105103A CN 201480076842 A CN201480076842 A CN 201480076842A CN 106105103 A CN106105103 A CN 106105103A
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- CN
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- Prior art keywords
- clock
- node
- data set
- zone
- synchronous
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/0015—Synchronization between nodes one node acting as a reference for the others
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2662—Arrangements for Wireless System Synchronisation
- H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
- H04B7/2678—Time synchronisation
- H04B7/2687—Inter base stations synchronisation
- H04B7/269—Master/slave synchronisation
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
本发明实施例提供一种时钟同步方法、设备及通信系统。本方法包括:网络中的第一节点设备根据自身的第一时钟数据集和所述网络中的其它节点设备的第一时钟数据集,确定第一主时钟,并与所述第一主时钟同步,其中,所述第一时钟数据集中包括节点设备的第一时钟域选择参数;所述第一节点设备根据自身的第二时钟数据集和与所述第一节点设备同属于第一节点时钟域中的其它节点设备的第二时钟数据集,确定第二主时钟,并与所述第二主时钟同步,其中,所述第二时钟数据集中包括节点设备的第二时钟域选择参数,所述节点时钟域为第二时钟域。本发明实施例能够进一步提升无线接入网时钟同步的精度。
Description
PCT国内申请,说明书已公开。
Claims (1)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2014/072912 WO2015131350A1 (zh) | 2014-03-05 | 2014-03-05 | 时钟同步方法、设备及通信系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106105103A true CN106105103A (zh) | 2016-11-09 |
CN106105103B CN106105103B (zh) | 2020-09-18 |
Family
ID=54054361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201480076842.3A Active CN106105103B (zh) | 2014-03-05 | 2014-03-05 | 时钟同步方法、设备及通信系统 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10178636B2 (zh) |
EP (1) | EP3104556B1 (zh) |
CN (1) | CN106105103B (zh) |
WO (1) | WO2015131350A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109218007A (zh) * | 2017-07-03 | 2019-01-15 | 中兴通讯股份有限公司 | 路径选择方法、设备及存储介质 |
CN115250159A (zh) * | 2022-07-18 | 2022-10-28 | 重庆长安汽车股份有限公司 | 时间同步方法、装置、电子设备、存储介质及程序产品 |
WO2023061012A1 (zh) * | 2021-10-12 | 2023-04-20 | 华为技术有限公司 | 时钟同步方法、设备及系统 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105634714A (zh) * | 2014-10-28 | 2016-06-01 | 中兴通讯股份有限公司 | 一种跨域时钟同步方法、装置和系统 |
US10728130B2 (en) * | 2016-04-21 | 2020-07-28 | Cisco Technology, Inc. | Distributed stateless inference of hop-wise delays and round-trip time for internet protocol traffic |
US10922302B2 (en) * | 2017-08-07 | 2021-02-16 | Vital Connect, Inc. | Data time stamps |
JP7116706B2 (ja) * | 2019-05-09 | 2022-08-10 | 株式会社日立製作所 | 通信制御装置および通信制御方法 |
US11223437B1 (en) * | 2020-08-24 | 2022-01-11 | Ciena Corporation | Differential clock recovery using a global reference time |
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US5479409A (en) * | 1992-09-15 | 1995-12-26 | Alcatel N.V. | Method of transmitting timing advance data to a mobile station in a cellular mobile radio network and corresponding mobile station, base station controller and transmission system |
US6714563B1 (en) * | 1999-04-26 | 2004-03-30 | Cisco Technology, Inc. | Network clock synchronization scheme |
EP1451952A1 (en) * | 2001-11-09 | 2004-09-01 | QUALCOMM Incorporated | Communications in an asynchronous wireless network |
CN1918557A (zh) * | 2003-12-22 | 2007-02-21 | 查尔斯·李·麦克耐特 | 使用网络设备中的独立绝对时间值来创建知悉时间的网络的系统和方法 |
US20130010814A1 (en) * | 2011-07-06 | 2013-01-10 | Fujitsu Limited | Node device, communication system and time synchronization method |
US20130301634A1 (en) * | 2012-05-11 | 2013-11-14 | Kristian Ehlers | Timing synchronization for networks with radio links |
WO2013189536A1 (en) * | 2012-06-20 | 2013-12-27 | Nokia Siemens Networks Oy | Synchronization in computer network |
WO2013189176A2 (zh) * | 2012-08-20 | 2013-12-27 | 中兴通讯股份有限公司 | 一种多同步域的时间同步系统、方法及跨域设备 |
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ATE337652T1 (de) * | 2002-10-25 | 2006-09-15 | Koninkl Philips Electronics Nv | Einrichtung zum austausch von datensignalen zwischen zwei taktbereichen |
CN101227689B (zh) * | 2007-12-27 | 2011-01-19 | 华为技术有限公司 | 信息上报方法及装置 |
US8527803B2 (en) | 2011-02-03 | 2013-09-03 | Dell Products L.P. | System and method for multiple backplane time synchronization |
CN102263630B (zh) | 2011-07-21 | 2017-06-16 | 中兴通讯股份有限公司 | 一种时钟源的选择方法 |
CN102664700B (zh) | 2012-04-13 | 2015-08-19 | 烽火通信科技股份有限公司 | 网状网中的节点时钟同步规划方法 |
CN102684808A (zh) | 2012-06-06 | 2012-09-19 | 哈尔滨工业大学 | 一种自适应时钟同步系统 |
US9497019B2 (en) * | 2012-06-18 | 2016-11-15 | Telefonaktiebolaget L M Ericsson (Publ) | Time domains in a PON |
EP2693654A1 (en) * | 2012-08-03 | 2014-02-05 | Alcatel Lucent | Coordinated multipoint transmission modes |
CN102904662B (zh) | 2012-09-29 | 2015-06-24 | 北京东土科技股份有限公司 | 一种基于ptp协议的跨域时钟同步方法及系统 |
US20150103817A1 (en) * | 2013-10-11 | 2015-04-16 | Qualcomm Incorporated | Global time synchronization server for wireless devices |
-
2014
- 2014-03-05 WO PCT/CN2014/072912 patent/WO2015131350A1/zh active Application Filing
- 2014-03-05 EP EP14884805.4A patent/EP3104556B1/en active Active
- 2014-03-05 CN CN201480076842.3A patent/CN106105103B/zh active Active
-
2016
- 2016-09-03 US US15/256,538 patent/US10178636B2/en active Active
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US5479409A (en) * | 1992-09-15 | 1995-12-26 | Alcatel N.V. | Method of transmitting timing advance data to a mobile station in a cellular mobile radio network and corresponding mobile station, base station controller and transmission system |
US6714563B1 (en) * | 1999-04-26 | 2004-03-30 | Cisco Technology, Inc. | Network clock synchronization scheme |
EP1451952A1 (en) * | 2001-11-09 | 2004-09-01 | QUALCOMM Incorporated | Communications in an asynchronous wireless network |
CN1918557A (zh) * | 2003-12-22 | 2007-02-21 | 查尔斯·李·麦克耐特 | 使用网络设备中的独立绝对时间值来创建知悉时间的网络的系统和方法 |
US20130010814A1 (en) * | 2011-07-06 | 2013-01-10 | Fujitsu Limited | Node device, communication system and time synchronization method |
US20130301634A1 (en) * | 2012-05-11 | 2013-11-14 | Kristian Ehlers | Timing synchronization for networks with radio links |
WO2013189536A1 (en) * | 2012-06-20 | 2013-12-27 | Nokia Siemens Networks Oy | Synchronization in computer network |
WO2013189176A2 (zh) * | 2012-08-20 | 2013-12-27 | 中兴通讯股份有限公司 | 一种多同步域的时间同步系统、方法及跨域设备 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109218007A (zh) * | 2017-07-03 | 2019-01-15 | 中兴通讯股份有限公司 | 路径选择方法、设备及存储介质 |
WO2023061012A1 (zh) * | 2021-10-12 | 2023-04-20 | 华为技术有限公司 | 时钟同步方法、设备及系统 |
CN115250159A (zh) * | 2022-07-18 | 2022-10-28 | 重庆长安汽车股份有限公司 | 时间同步方法、装置、电子设备、存储介质及程序产品 |
CN115250159B (zh) * | 2022-07-18 | 2024-07-30 | 重庆长安汽车股份有限公司 | 时间同步方法、装置、电子设备、存储介质及程序产品 |
Also Published As
Publication number | Publication date |
---|---|
EP3104556B1 (en) | 2023-07-05 |
US10178636B2 (en) | 2019-01-08 |
CN106105103B (zh) | 2020-09-18 |
EP3104556A4 (en) | 2017-03-15 |
US20160374041A1 (en) | 2016-12-22 |
EP3104556A1 (en) | 2016-12-14 |
WO2015131350A1 (zh) | 2015-09-11 |
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