【摘要】 时间同步是无线传感器网络管理的重要内容,同时也是无线传感器网络应用可靠运行的基础前提。本论文分析了无线传感器网络时钟偏差的根源,阐述了同步技术的发展现状,分别介绍了目前3种时间同步机制中的典型算法,探讨了无线传感器网络时间同步技术领域的难题,最后提出了今后在该领域的研究方向。更多还原

【Abstract】 Time Synchronization is one of important content and is definitely a prerequisite for the applications of Wireless Sensor Network. The reason of network time offset is analyzed and current research statuses of time synchronization are summarized in this paper.Three forms of typical time synchronization algorithm are discussed. Finally,the challenged and further research directions of wireless sensor networks are presented.更多还原