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《Journal of Electronic Measurement and Instrument》 2009-02
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Design of collection system of physiological parameters based on wireless sensor networks

Wang Ji1 Shen Yuli2 Lin Jing1(1.Information School,Guangdong Ocean University,Zhanjiang 524088,China2.Zhongkai University of Agriculture and Engineering,Guangzhou 510225,China)  
A remote system based on wireless sensor networks is proposed for Non-hospital personnel dynamic monitoring.The corresponding position of sensor nodes are arranged in order to collect a variety of human physiological information,and transported to sink by wireless directly.The information is processed and the valuable information is uploaded to Internet through CDMA network,and sent to the database and achieve electronic full duplex diagnosis.The developed system is used to collect the heart sounds of a volunteer that is over 30 kilometers away.The experimental result is objective.The data error is not more than 0.2 percent.The model experiment shows that the system operates stably at the operating frequency 950 MHz ISM bands,receives sensitivity-98 dBm,transmits power 0.75 mW,data rate 40 kbps and wireless communication distance 2.5 km.It satisfies the real-time requirement of remote monitoring.The feature of system is the share of medical resources and is suitable to improve human health quality.So it is vital.
【Fund】: 广东省自然科学基金(编号:07010116)资助项目
【CateGory Index】: TP274.2
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