期刊文献+

基于DV-Hop定位算法和RSSI测距技术的定位系统 被引量:32

A localization system based on DV-Hop localization algorithm and RSSI ranging technique
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摘要 针对DV-Hop算法在实验环境中存在的问题,加入接收信号强度指示器(RSSI)测距模块辅助定位,对算法进行改进。为了实现定位系统,首先,需要建立当前实验环境的RSSI模型;然后,应用该模型,从锚节点和非锚节点两方面分别控制DV-Hop定位过程。实验证明:改进后的定位系统在增加少量计算复杂度的情况下,改善了系统的稳定性,提高了定位的精度,可以被应用到无线传感器网络中。 As an assistant localization method, received signal strength indicator (RSSI) ranging module was added into the DV-Hop localization algorithm to resolve its problems existing in experimental environment. In order to implement the localization system, first, the RSSI model was built up; then, this model was applied to control DV-Hop localization process from anchor nodes and nonanchor nodes respectively. It is proved that improved localization system improves system stability and localization precision with a little sacrifice on computing complexity. Therefore, it can be applied into wireless sensor networks.
出处 《计算机应用》 CSCD 北大核心 2007年第3期516-518,527,共4页 journal of Computer Applications
基金 国家自然科学基金资助项目(60472074) 西北工业大学研究生创业种子基金资助项目(Z200568)
关键词 DV-HOP定位算法 定位系统 接收信号强度指示器测距技术 DV-Hop localization algorithm localization system received signal strength indicator (RSSI) ranging technique
作者简介 刘艳文(1983-),男,江西人,硕士研究生,主要研究方向:无线传感器网络、嵌入式计算技术;stormingrans@163.com;liuyanwen@mail.nwpu.edu.cn 王福豹(1963-),男,山西人,教授,博士,主要研究方向:计算机网络、流媒体、传感器网络; 段渭军(1962-),男,陕西人,高级工程师,博士,主要研究方向:流媒体、无线通信; 于超(1973-)男,湖南人,硕士研究生,主要研究方向:无线传感器网络、嵌入式设计.
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