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无线传感器网络中的DV-Hop定位改进算法

Improved Algorithm for DV-Hop Position in Wireless Sensor Network
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摘要 DV-Hop算法是无线传感器网络中一种典型的基于非测距的定位算法。针对DV-Hop存在的定位精度低的缺陷,本文提出了改进的算法。该算法中的平均跳距利用全网平均跳距与单个锚节点估计的平均跳距的均值来修正,并且根据连通度不同,选取最优的3个锚节点进行三边定位计算。 DV-Hop is a typical range-free position algorithm in wireless senor network. Aiming at the existing low position accuracy in DV-Hop, an improved algorithm is proposed. The average hop distance is amended using the average hop distance of whole network and equalizing value of the average hop distance estimated by a single anchor node.
出处 《单片机与嵌入式系统应用》 2013年第1期1-4,共4页 Microcontrollers & Embedded Systems
基金 国家重点基础研究发展计划(973计划)(项目编号:2011CB302903) 国家自然科学基金项目(项目编号:60873231) 江苏高校优势学科建设工程资助项目(项目编号:yx002001)
关键词 无线传感器网络 DV—Hop算法 平均跳距 连通度的不同 三边定位 定位精度 wireless sensor networks DV-Hop algorithm average hop distance connectivity difference ~ position accuracy
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