摘要
根据抢险救灾工作的实际需要,着重研究了1种基于ZigBee无线传网络技术的抢险救灾无线传感器网络装置的设计,完成了无限传感网络中基站和节点的设计。编写了该网络系统的上位机和下位机软件,实现了各个节点间的无线通信和每个节点的中继功能。并利用实验检验了该装置在不同通信距离内的通信丢包率、RSSI值,通信效果良好。室外城市通信距离可以达到500~1 000 m,室内穿墙通信距离可达100 m。且RSSI和距离的实际关系经MATLAB曲线拟合仿真,符合理论模型。
According to the need of rescue and relief,much attention are focused on the design for wireless network sensor for rescue and relief based on Zigbee technology,the development of the sensor base station and node.Experimental method is used to measure the packet loss ratio,RSSI.Communication is realized with better quality.Outdoor communication distance is able to be up to 500~1 000 meters,while indoor＇s to 100 meters.Connection between RSSI and communication distance coincides with theoretical models.
出处
《电子测量技术》
2011年第9期77-79,100,共4页
Electronic Measurement Technology
