Cooperative localization algorithm based on time-ofarrival in wireless senor network

Qianqian LU; Youming LI; Shengming CHANG; Nana LI

doi:10.11959/j.issn.1000−0801.2019004

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Cooperative localization algorithm based on time-ofarrival in wireless senor network

Research and development | 更新时间：2024-06-05

- Cooperative localization algorithm based on time-ofarrival in wireless senor network
- Telecommunications Science Vol. 35, Issue 1, Pages: 62-66(2019)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000−0801.2019004
  CLC： TP929.5
- Published Online：2019-01，
  
  Published：20 January 2019
- 稿件说明：
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Qianqian LU, Youming LI, Shengming CHANG, et al. Cooperative localization algorithm based on time-ofarrival in wireless senor network[J]. Telecommunications science, 2019, 35(1): 62-66.
DOI：

Qianqian LU, Youming LI, Shengming CHANG, et al. Cooperative localization algorithm based on time-ofarrival in wireless senor network[J]. Telecommunications science, 2019, 35(1): 62-66. DOI： 10.11959/j.issn.1000−0801.2019004.

摘要

提出了一种基于到达时间的无线传感器网络协作定位方法。首先，建立关于目标位置的优化问题，其次通过运用混合半正定和二阶锥松弛理论，将原非凸优化问题转换为一种凸的优化问题，由此快速得到原问题的一个次优解。计算机模拟结果显示，新算法估计均方根误差更接近克拉美−罗界。

Abstract

A novel cooperative location method based on time-of-arrival in wireless senor networks was proposed. Firstly

the optimization problem for the target location was established. Secondly

the mixed semi-positive definite and second-order cone relaxation techniques were used to convert the original non-convex problem into a convex optimization problem. In this way

a fast suboptimal solution to the original problem was obtained. Finally

computer simulations show that the proposed method has lower root mean square error (RMSE) which is closer to the Cramer-Rao lower bound (CRB).

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references

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