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《Transactions of the Chinese Society for Agricultural Machinery》 2009-S1
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Dormant of Wireless Sensor Networks for Precision Irrigation

Xu Gang Chen Liping Zhang Ruirui(National Engineering Research Center for Information Technology in Agriculture,Beijing 100097,China)  
According to the requirements for precision agriculture applications,the commonly-used node power supply in sensor networks and its characteristics are analyzed.To extend the node lifecycle powered by ordinary dry-cell batteries,an application layer operated node dormant/synchronization mechanism is proposed and a duty cycle computing method depending on the node lifecycle expectation and data acquisition demands is also provided,based on the node energy analysis.Finally,this dormant/synchronization mechanisms is realized on actual sensor networks nodes,and a large number of experiments were executed at Xiaotangshan agricultural bases of the National Engineering Research Center for Information Technology in Agriculture.The experimental results show that the node with dormant design increases its lifetime from about 150 hours to more than one year.
【Fund】: 国家“863”高技术研究发展计划资助项目(2006AA10A306);; “十一五”国家科技支撑计划资助项目(2007BAD44B06);; 北京市留学人员科技活动项目择优资助课题
【CateGory Index】: S274
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【Citations】
Chinese Journal Full-text Database 4 Hits
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