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无线传感器网络节点硬件平台已经有几十种之多。根据无线传感器网络应用对于处理能力的不同要求,传感器节点可以分为对低带宽、低处理能力的简单应用类节点和具有较高处理能力的32位节点。介绍了无线传感器网络节点的结构,分析了简单应用类节点处理器单元、通信单元、传感单元和能量供给单元等组成部分的常见设计方法。讨论了32位节点平台设计的共同特点。最后探讨了传感器网络节点的发展趋势。
There are dozens of wireless sensor network node hardware platforms. According to different requirements of wireless sensor network applications for processing capability, sensor nodes can be divided into simple application nodes with low bandwidth and low processing capability and 32-bit nodes with high processing capability. The structure of WSN nodes is introduced and the common design methods of processor nodes, communication elements, sensor elements and energy supply elements of simple application nodes are analyzed. Discusses the common features of 32-bit node platform design. Finally, the development trend of sensor network nodes is discussed.