基于Truetime的无线分布式测试系统时钟同步研究  

Research on Clock Synchronization in Wireless Distributed Measurement System Based on Truetime

作　　者：李力[1] 李本亮[1] 闫斌[1] 王厚军[1] 

机构地区：[1]电子科技大学自动化工程学院,四川成都610054

出　　处：《测控技术》2009年第8期72-75,共4页Measurement & Control Technology

基　　金：国家自然科学基金资助项目(60673011);博士点基金资助项目(20070614018)

摘　　要：提出了无线分布式测试系统的构架,介绍了PTP协议的时钟同步工作过程。引入一种新的无线网络仿真工具Truetime,结合PTP协议在其中的实现,讲解了其建模的关键步骤。通过仿真给出了PTP协议在无线分布式测试系统中时钟同步的精度性能。The frame of wireless distributed system is provided, and the work process of clock synchronization based on PTP is introduced. By using a new wireless network simulation tool named Truetime, some key steps to realize PTP protocol while creating model in simulation is provided. After that, the accuracy of clock synchronization in wireless distributed measurement system based on PTP is presented through simulation.

关 键 词：TRUETIME 无线 分布式测试系统 PTP 时钟同步 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]