This study established a wireless sensor network system based on the ZigBee protocol. Atmegal 128L as the MCU of sensor nodes and CC2420 chip as RF module constitute the system architecture. This system can get access to a variety of physiological parameters and analysis those parameters. Collection nodes has six channels for obtain the patient's physiological parameters and environmental data, and then transfer the data to the receiving node which was connect to the PC through the RS232 interface. Terminal section designed by Labview program can achieve the displaying, storage and analysis of physiological parameters. The system was mainly developed for clinical monitor, to build a intelligence unit of clinical nurse which is covered by wireless network of multi-physiological parameters measured.%本文介绍一种基于ZigBee协议的无线传感网络系统,系统采用MCU+RF的方案设计,以ATmegal 128L作为传感器节点的MCU,CC2420作为RF射频模块.采集节点具有6个通道可获取病人的生理参数和环境数据,然后将这些数据传输到接收节点,再通过RS232接口连接到PC.终端设计的Labview程序可以对采集的多种生理参数进行显示、存储和分析.
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