The TOA Position Algorithm Based on Coordinate Shift Invariance

YANG Tian-chi; JIN Liang

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The TOA Position Algorithm Based on Coordinate Shift Invariance

更新时间：2025-07-16

- The TOA Position Algorithm Based on Coordinate Shift Invariance
- Acta Electronica Sinica Vol. 36, Issue 9, Pages: 1848-1851(2008)
- 作者机构：
  
  国家数字交换系统工程技术研究中心,河南,郑州,450002
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN929.533
- Published Online：25 September 2008，
  
  Published：2008
- 稿件说明：
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YANG Tian-chi, JIN Liang. The TOA Position Algorithm Based on Coordinate Shift Invariance[J]. Acta Electronica Sinica, 2008, 36(9): 1848-1851.
DOI：

YANG Tian-chi, JIN Liang. The TOA Position Algorithm Based on Coordinate Shift Invariance[J]. Acta Electronica Sinica, 2008, 36(9): 1848-1851. DOI：

摘要

本文提出了视距条件下利用坐标平移来实现到达时间(TOA)定位的新算法.该算法首先利用基站(BS)与移动台(MS)相对地理位置关系

采用坐标平移方法实现对MS位置的粗略估计;通过对误差分量特性的分析

提出了再次利用坐标平移消除误差分量相关性的方法

使得误差的协方差矩阵变得易于求解

从而实现对MS位置的精确估计.仿真表明

本文算法具有良好的性能.

Abstract

A position method

based on time-of-arrival(TOA)in the line-of-sight environment

is proposed by using coordinate shift method.The rough result of the mobile station(MS)position can be calculated through the first step of coordinate shift by using the base station(BS)and MS geographical position relationship.This paper also proposed the error vector covariance by analyzing the character of the error vector

and the WLS method is used to get the second step estimation of the MS position.The simulation results verify the performance of this method.

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