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	农田环境无线传感器网络无锚节点定位算法
	郭建全 ; 赵伟 ; 黄松岭 ; Guo Jianquan ; Zhao Wei ; Huang Songling
	2010-06-10 ; 2010-06-10
关键词	无线传感器网络 无锚节点定位 跳数梯度 累积误差 wireless sensor network anchor-free location hop gradient accumulated error TP212.9 TN929.5
其他题名	Anchor-free location algorithm for wireless sensor networks in the application of farmland
中文摘要	无锚节点定位算法不需要添加额外硬件,无需锚节点或少量参考节点,仅利用自身的无线收发器即可实现整个网络的节点定位,使定位成本大大降低,是解决由大量廉价节点组成大规模网络定位问题的较好方法。以农田应用为背景,提出一种无锚节点定位算法。该算法从普通节点中选取基准节点以形成坐标系,其他未知节点根据自己到基准节点的距离计算出自身坐标,最终得到所有节点的相对位置。还以实测求平均方法解决了无锚节点定位算法的累积误差问题。算法具有分布式特点,实现过程简单,实用性强。; Anchor-free location algorithm needs no anchor or only a few of reference nodes and realizes the loca-tion of the nodes in wireless sensor networks only using the wireless receiver equipped on each node without add-ing any other equipment or hardware,which is very applicable to the large scale wireless sensor networks made up by many low-cost nodes.This paper proposes an anchor free location algorithm taking farmland application as a background.The algorithm first chooses some reference nodes as "anchors" from ordinary nodes according to cer-tain criteria to form a coordinate system,based on which other unknown nodes can calculate their coordinates.The algorithm calculates the average hop distance according to the actual size of the farmland and solves the problem of the accumulated error.The algorithm proposed in this paper has distributed feature,and is easy to be implemented and applicable.; 国家高新技术发展规划“863”课题基金(2007AA10Z241)资助项目
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/62018]
专题	清华大学
推荐引用方式 GB/T 7714	郭建全,赵伟,黄松岭,等. 农田环境无线传感器网络无锚节点定位算法[J],2010, 2010.
APA	郭建全,赵伟,黄松岭,Guo Jianquan,Zhao Wei,&Huang Songling.(2010).农田环境无线传感器网络无锚节点定位算法..
MLA	郭建全,et al."农田环境无线传感器网络无锚节点定位算法".(2010).

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