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《Chinese Journal of Sensors and Actuators》 2007-10
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Design of a Low Power RF Wake-Up Wireless Sensor Networks

TANG Yun-jian,LIANG Shan,FENG Hui-wei,HUANG Chao (College of Automation, Chongqing University, Chongqing 400044, China)  
The sleep/wake-up method is usually used for reducing energy consumption in wireless sensor networks. However, the sleep/wake-up method will results in the long delay of event response. We propose the low power RF (Radio Frequency) wake-up mechanism instead of the sleep/wake-up method to improve energy efficiency and fast response capability by collecting the energy from radio frequency wave. We also describe RF wake-up scheme and the architecture of the sensor node. Analyze of energy consumption and delay of nodes shows that the network with RF wake up module has the low power consumption and short delay capability.
【Fund】: 高等学校博士学科点专项科研基金资助课题(2006611010)
【CateGory Index】: TP212.9;TN929.5
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