摘要
为了更好地解决井下定位监测系统存在着节点定位精度不高以及传输数据可能发生冲突等缺点,提出了一种基于无线传感器网络改进RSSI井下定位算法;该算法对接收信号强度指示器测距原理进行分析并加以改进,通过对计算数值进行多次迭代求精运算后,进一步提高了定位精确度,有效地降低了节点位置的定位误差,确保了各节点之间数据通信准确性和稳定性,实现了对井下人员的实时定位监测,进而确保了高效救援和井下作业的安全系数;仿真实验表明,该算法能够用较少参数变量完成较为复杂的计算过程,有效地减少网络节点间通信开销,延长了网络生存周期,增强了整个网络系统的鲁棒性和稳定性。
The mine location monitoring algorithm exits the flaws of low accuracy and conflicts may occurred when deliver a data.In order to solve this problem,the papers improve RSSI a kind of mine location monitor algorithm on account base on WSN.This algorithm could analysis and improve the measure principle of received signal strength indicator（RSSI）,through the iterative solving precise arithmetic,raise the location accracy,debase the node location error,ensure the accuracy and stationary of data communication among each node.Realized actual time location monitor of the worker,guarantee the efficient rescue and coefficient of safety working mineed.The experiment demonstrates that complex calculation can be performed by less parametric variants,network energy can be saved and the lifetime of network is prolonged and thus the robustness and stability can be enforced.
出处
《计算机测量与控制》
CSCD
北大核心
2011年第7期1758-1760,1763,共4页
Computer Measurement &Control
基金
河南省科技厅计划基金项目(102300410173)
河南省教育厅自然科学基金项目(2010B510016
2011A590001)
关键词
无线传感器网络
定位算法
监测系统
接收信号强度指示器
wireless sensor network（WSN）
location algorithm
monitoring algorithm
received signal strength indicator（RSSI）
