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可容忍信标误差的三维传感网节点定位方法

郭晓雷 于宁 吴银锋 万江文

郭晓雷, 于宁, 吴银锋, 等 . 可容忍信标误差的三维传感网节点定位方法[J]. 北京航空航天大学学报, 2012, 38(6): 810-815.
引用本文: 郭晓雷, 于宁, 吴银锋, 等 . 可容忍信标误差的三维传感网节点定位方法[J]. 北京航空航天大学学报, 2012, 38(6): 810-815.
Guo Xiaolei, Yu Ning, Wu Yinfeng, et al. Beacon error-tolerable method for node localization in 3D wireless sensor networks[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(6): 810-815. (in Chinese)
Citation: Guo Xiaolei, Yu Ning, Wu Yinfeng, et al. Beacon error-tolerable method for node localization in 3D wireless sensor networks[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(6): 810-815. (in Chinese)

可容忍信标误差的三维传感网节点定位方法

基金项目: 国家自然科学基金资助项目(60974121,61001138)
详细信息
  • 中图分类号: TP393

Beacon error-tolerable method for node localization in 3D wireless sensor networks

  • 摘要: 针对信标位置存在误差情况下的三维无线传感器网络节点定位问题,提出一种基于正交回归的多跳定位方法.同时考虑到自变量误差和因变量偏差对节点坐标估计的影响,基于约束加权正交回归参数估计准则,建立可容忍信标位置误差的三维多跳定位模型,解决了信标位置和距离估计两方面的误差并存时的节点自定位问题,并给出求解节点坐标最优值的数值方法;推导出相应的坐标估计精度评估标准3D-MCRB (3D Multi-hop Cramér-Rao Bound).仿真结果表明:此方法对信标位置误差和距离估计误差都具有较好的抑制能力,在大多数实验条件下,能将定位精度提高10%以上.

     

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  • 被引次数: 0
出版历程
  • 收稿日期:  2011-03-24
  • 网络出版日期:  2012-06-30

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