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一种基于RSSI的无线传感器网络定位法 被引量：5

A Positioning Algorithm for WSNs Based on Received Signal Strength Indicator
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摘要 文中通过实地测量数据分析了信号衰减模型的时变特性,提出了一种基于RSSI的定位方法——差圆法。该方法弱化了信号衰减模型的作用从而在一定程度上提高了定位的精确度。仿真分析表明:在测量噪声较小的情况下,差圆法较常用的多边定位法具有更高的定位精度。 This paper,based on experimental data,analyzes the time varying characteristic of the signal attenuation model.A method named DCA （Difference Circularity Algorithm） based on RSSI is proposed,which could improve the performance by reducing the function of signal attenuation model.Simulation shows that DCA performs better than multilateral algorithm when little noise exists.
作者 刘广怡 于宏毅 皮兴宇 张健
机构地区 解放军信息工程大学
出处 《通信技术》 2010年第3期93-95,共3页 Communications Technology
基金 国家发改委CNGIIPv6无线传感器网络节点基金资助项目(批准号:CNGI-04-10-1D)
关键词 无线传感器网络 定位算法 接收信号强度 差圆法 wireless sensor network positioning algorithm RSSI DCA
分类号 TP301 [自动化与计算机技术—计算机系统结构]
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参考文献6

  • 1王福豹,史龙,任丰原.无线传感器网络中的自身定位系统和算法[J].软件学报,2005,16(5):857-868. 被引量：673
  • 2王建刚,王福豹,段渭军.加权最小二乘估计在无线传感器网络定位中的应用[J].计算机应用研究,2006,23(9):41-43. 被引量：50
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二级参考文献57

  • 1王福豹,史龙,任丰原.无线传感器网络中的自身定位系统和算法[J].软件学报,2005,16(5):857-868. 被引量：673
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通信技术
2010年 第3期

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