| 基于SDH网络的时钟同步链路规划 |
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| 引用本文： | 张扬,鹿浩,陈晓阳.基于SDH网络的时钟同步链路规划[J].电子测量技术,2016,39(12):89-92. |
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| 作者姓名： | 张扬 鹿浩 陈晓阳 |
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| 作者单位： | 河海大学 计算机与信息学院 南京211100 |
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| 摘 要： | 目前,我国的通信网络已基本实现数字化,传输和交换都是数字设备.随着电力通信网的快速发展,SDH传输网承载的业务也在不断地拓展,而时钟同步则是SDH网所必须解决的问题.同步网络结构上可分为准同步网络、主从同步网络以及混合同步网络3种.为提高网络的稳定性,一般都会同时规划好主用及备用时钟链路.针对主从同步网络,提出了一种时钟同步链路的规划方法.先通过最小生成树Prim算法规划主用时钟链路,然后在此基础上利用最小环算法规划备用时钟链路.最后在MATLAB上对该规划方法进行了仿真,并应用于示例拓扑,验证了该方法的正确性、可靠性.
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| 关 键 词： | SDH网 时钟同步 主从同步 Prim算法 最小环 |
Clock synchronization link planning based on the SDH network |
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| Zhang Yang,Lu Hao and Chen Xiaoyang.Clock synchronization link planning based on the SDH network[J].Electronic Measurement Technology,2016,39(12):89-92. |
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| Authors: | Zhang Yang Lu Hao and Chen Xiaoyang |
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| Affiliation: | College of Computer and Information, Hohai University, Nanjing 211100, China,College of Computer and Information, Hohai University, Nanjing 211100, China and College of Computer and Information, Hohai University, Nanjing 211100, China |
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| Abstract: | At present,Chinese telecommunications network has been digitized and the digital devices are used in transmission and switching.With the rapid development of electric power communication network,business of SDH transmission network is continuing to expand.Clock synchronization is the key to realize SDH network synchronization.Synchronous network can be divided into Plesiochronous network,master-slave synchronization network and hybrid network synchronization in its structure.Usually,planning master sync route and standby sync route at the same time are a general method in order to improve the stability of the network.In this paper,aimed at the master-slave synchronization network,a planning method for clock synchronization route is proposed.After the master sync route has been planned by Prim algorithm,we use the smallest ring algorithm to plan standby sync route.Finally make a simulation on matlab and apply to a example of topology to verify correctness and reliability of the method. |
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| Keywords: | SDH network clock synchronization master-slave synchronization prim algorithm the smallest rings |
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