摘要
通过对无线生理传感器网络TPSN算法的研究,针对采用TPSN算法进行时间同步时产生的同步误差,文章采用最小二乘法对其进行改进,并在NS2仿真环境下进行仿真分析,结果表明改进后算法的时间同步误差更小,同步精度更高,更适用于无线生理传感器网络。
Through studying TPSN algorithm in wireless physiology sensor networks, aiming at reducing synchronization error caused in synchronization by adopting TPSN algorithm, this paper presents an improved algorithm based on the least square method, and the result simulated in NS2 show that the synchronization error of improved algorithm is lower, and the synchronization accuracy is higher. So it is more suitable to the wireless physiology sensor networks.
出处
《电子技术（上海）》
2012年第7期29-31,16,共4页
Electronic Technology
基金
陕西省教育厅专项科研计划项目(项目编号:09JK492)
