【摘要】 时间同步作为无线传感器网络应用的一项支撑技术,对无线传感器网络的设计和应用都很关键.在满足无线传感器网络时间同步精度要求的前提下,应尽可能节约能源,在对现有的时间同步机制进行分析研究的基础上,给出了一种改进的TPSN时间同步算法.并利用网络仿真器NS2对改进的算法进行仿真验证,取得了满意的结果.更多还原

【Abstract】 Time synchronization is a fundamental service for both design and application of wireless sensor networks.In order to meet the time synchronization accuracy requirement of wireless sensor networks and take account of saving energy,an improved TPSN time synchronization algorithm is setup based on the analysis and research of the existing time synchronization mechanism.The improved algorithm has been simulated and verified in network simulator NS2,and obtained a satisfactory result.更多还原