基于ZigBee及ARM9的无线传感器网络实验装置研究

An Experimental Device of Wireless Sensor Network Based on ZigBee and ARM9

目的针对高校无线传感器网络及ZigBee技术的课程,设计一套无线传感器网络实验装置,以满足传感器网络从感知层、网络层到应用层的多层次教学实践的安排。方法以无线传感器网络及ZigBee技术的课程需要为研究对象,基于ZigBee技术及ARM9的嵌入式开发技术,硬件和软件都采用模块化设计。结果实验装置设计成实验箱的形式,实验箱由多个ZigBee节点和一个网关组成,并提供一个综合教学案例,在教学案例中以网关为中心,网关采用Linux操作系统,网关通过Web的方式呈现ZigBee网络拓扑、传感器数据信息、接收用户指令控制终端节点。结论实验装置结构简单,使用方便,可安排ZigBee单片机基础、传感器、基于ZigBee协议栈Z-Stack的组网、嵌入式系统设计、综合应用等多层次的实验。

Objective Aiming at the courses of wireless sensor network and ZigBee technology in colleges and universities,a set of wireless sensor network experimental device was designed to meet the multi-level teaching practices of sensor network from the perceptual layer,and the network layer to the application layer.Methods Based on the actual needs of the wireless sensor network and ZigBee technology,the hardware and software were modular designed to meet the practical teaching needs of courses of the ZigBee technology and the embedded development technology of ARM9.Results The experimental device was designed as an experimental box.The experimental box was composed of multiple ZigBee nodes and a gateway,and provided a comprehensive teaching case.In the teaching case,the gateway was the center,and the gateway used the Linux operating system.The gateway presented the ZigBee network topology,the sensor data information,and the instructions controlling the terminal node through the Web.Conclusion The experiment device has the advantages of simple structure and convenient use.It can be used to arrange ZigBee microcontroller,sensor,networking based on ZigBee protocol stack Z-Stack,embedded system design,integrated application experiments and so on.