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WSNS中基于箱线图的误差自校正定位算法

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Indexed by:期刊论文

Date of Publication:2017-07-01

Journal:单片机与嵌入式系统应用

Volume:17

Issue:7

Page Number:28-33

ISSN No.:1009-623X

Key Words:无线传感器网络;箱线图;误差自校正;定位算法

Abstract:针对基于接收信号强度指示(RSSI)的无线传感器网络(WSNs)节点定位技术易受环境影响、算法运算量大等问题,提出一种基于箱线图的误差自校正定位算法.该算法采用箱线图法处理测距过程中的异常RSSI值,利用自校正最小二乘法消除测距误差进而实现节点定位.仿真和实验结果表明,该算法可以有效抑制异常RSSI值,显著提高节点定位的准确性和稳定性,而且无需建立复杂的数据传播模型或构造RSSI位置指纹分布图.

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