基于CC2431的低功耗网络节点

Design of Low Power Network Node Based on CC2431

针对无线传感器网络节点体积小、能耗低、存储和通信能力有限等特点,以Z igBee为基础,提出了一种基于CC2431的低功耗网络节点的设计方案。详细阐述了构成传感器节点的各模块的设计,即采用了CC2431芯片作为核心元件,使用温湿度传感器SHT11进行温湿度数据采集,并给出了节点软件的设计方案。节点的软硬件均采用低功耗设计,经测试证明,该节点运行稳定可靠,具有较高的通信效率,并且符合设计中对低功耗的要求。

Considering characteristics of wireless sensor network nodes,which are small,low-power consumption,limited capacity of storage and communications,a design of low power wireless sensor network node based on CC2431 according to ZigBee was proposed.The detailed description of various modules of the node was given.It centers on CC2431 chip,with the SHT11 together to realize the acquisition of the temperature and humidity data.And connection of the software design was realized.The node was designed by using low consumption of hardware and software.It is proved that the operation of the node is stable,reliable and has high efficiency of communications after the test.And it is comply with the designing requirements of low power consumption.