Node localization in wireless sensor networks for coal mine security monitoring
Node localization in wireless sensor networks for coal mine security monitoring
复制标题
DOI：
--
复制
发表时间：
2007
期刊：
影响因子：
--
通讯作者：
Qiao Hua
中科院分区：
文献类型：
--
作者：
Qiao Hua
针对煤矿安全监测无线传感器网络，提出并优化了基于接收信号强度指数（RSSI）的定位算法，分析了影响定位精度的几个因素，仿真结果表明，基于RSSI的优化算法有效地提高了定位精度，例如当路径损耗的正常偏移量分别为4和6时，相对误差大约从0.21和0.35下降到0.18和0.29。
The localization algorithm based on the received signal strength index(RSSI) was proposed and optimized for wireless sensor networks of coal mine security monitoring,and consequently several factors which affect the localization precision was analyzed.Simulation results show that the optimized algorithm based on RSSI improves the localization precision effectively.For example,when the normal offsets of path loss are 4 and 6 respectively,the relative errors drop approximately from 0.21 and 0.35 to 0.18 and 0.29.