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无线传感器节点低功耗的研究 被引量：13

Analysis and Study of Low Energy Dissipation on a Wireless Sensor Node
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摘要 为了最大限度地延长传感器节点的生存时间,电路、结构、算法和协议必须满足能量有效性.就单个传感器节点角度来看,可以节省能耗的方法有很多,其中动态功率管理(DPM)和动态电压调节(DVS)是两种有效节省CPU能耗的方法.在三星S3C2410芯片上测试,改变处理器的频率,验证了功耗和频率的线性关系.通过仿真分析了CPU能耗与缓冲器长度的关系,说明了缓冲器溢出概率对CPU功耗的影响关系,得出在DVS的基础上增加缓冲器长度或降低溢出概率可以进一步节省能耗. In order to maximize the lifetime of a sensor node,circuits,architecture,algorithms and protocols must be energy efficient.There are many methods to reduce the energy of a node,among them dynamic power manage(DPM) and dynamic voltage supply(DVS) are two effective mechanisms to achieve CPU energy saving.On the test board of Samsung S3C2410,changing the frequency of CPU,verified the linear relation that consumption and frequency.Additional energy savings can be attained by increasing the buffer length and reducing an order of magnitude of buffer overflow probability base on DVS.This paper presents the impacts of buffer length and buffer overflow probability on CPU energy introducing DVS mechanism.
作者 章坚武 张季姬
机构地区 杭州电子科技大学通信与信息系统研究所
出处 《传感技术学报》 CAS CSCD 北大核心 2007年第12期2679-2682,共4页 Chinese Journal of Sensors and Actuators
基金 浙江省自然科学基金人才项目资助(R105473)
关键词 无线传感器网络 低功耗 缓冲器溢出概率 动态电压调节 wireless sensor networks low power dissipation buffer overflow probability dynamic voltage supply
分类号 TN401 [电子电信—微电子学与固体电子学]
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参考文献10

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二级参考文献42

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共引文献22

同被引文献100

引证文献13

二级引证文献88

传感技术学报
2007年 第12期

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