Multi-power level mobile beacon assisted distributed node localization algorithm

SHI Qing-jiang; HE Chen

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Multi-power level mobile beacon assisted distributed node localization algorithm

更新时间：2024-10-14

- Multi-power level mobile beacon assisted distributed node localization algorithm
- Vol. 30, Issue 10, Pages: 8-13(2009)
- 作者机构：
  
  上海交通大学信息传输与处理实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP211.4
- Published：2009
- 稿件说明：
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SHI Qing-jiang, HE Chen. Multi-power level mobile beacon assisted distributed node localization algorithm[J]. 2009, 30(10): 8-13.
DOI：

SHI Qing-jiang, HE Chen. Multi-power level mobile beacon assisted distributed node localization algorithm[J]. 2009, 30(10): 8-13. DOI：

摘要

提出了一种移动锚节点辅助的分布式定位算法。与以前的基于移动锚节点的定位算法不同

此算法不需要任何测距技术支持。它是利用移动锚节点的功率控制

即以不同的发射功率发射信标信号

接收到信标信号的未知节点将这些信标信息转化为一系列二次不等式约束

然后通过凸优化技术求解这些不等式组来逼近未知节点位置的最佳估计。仿真结果表明

提出的距离无关的定位算法可适合实际定位情况且具有较高的定位精度。

Abstract

A mobile beacon assisted distributed node localization scheme was proposed. The scheme differs from other mobile beacon based methods that it is range-free with power control. In the scheme

a mobile beacon broadcasts packets with multi-power level on its trajectory

and then unknown nodes that receive packets will derive a set of quadratic inequality constraints and run a convex position estimation algorithm. Simulation results show that the proposed method can perform well without range.

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