High-precision indoor wireless positioning method based on generative adversarial network

Fuzhan WANG; Xiaorong ZHU; Meijuan CHEN; Hongbo ZHU

doi:10.11959/j.issn.2096-3750.2021.00208

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High-precision indoor wireless positioning method based on generative adversarial network

Theory and Technology | 更新时间：2024-06-05

- High-precision indoor wireless positioning method based on generative adversarial network
- Chinese Journal on Internet of Things Vol. 5, Issue 2, Pages: 107-115(2021)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-3750.2021.00208
  CLC： TN961
- Published：30 June 2021，
  
  Published Online：2021-06，
- 稿件说明：
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FUZHAN WANG, XIAORONG ZHU, MEIJUAN CHEN, et al. High-precision indoor wireless positioning method based on generative adversarial network. [J]. Chinese journal on internet of things, 2021, 5(2): 107-115.
DOI：

FUZHAN WANG, XIAORONG ZHU, MEIJUAN CHEN, et al. High-precision indoor wireless positioning method based on generative adversarial network. [J]. Chinese journal on internet of things, 2021, 5(2): 107-115. DOI： 10.11959/j.issn.2096-3750.2021.00208.

摘要

无线信号在传播过程中容易受到干扰，这限制了传统室内定位方法在实际生活中的应用。而基于位置的指纹定位技术具有普适性强的优点，是当前的研究热点。指纹数据的数量是影响指纹定位精度的重要因素，但是采集大量指纹数据的成本较大。因此，如何使用少量指纹数据实现较高定位精度成为指纹定位技术的难点。针对此问题，提出了一种基于生成对抗网络（GAN

generative adversarial network）的高精度室内无线定位方法。首先，在室内等间隔密集地采集指纹数据，构造初始指纹数据集，选取初始指纹数据集中部分指纹数据，使用 GAN 利用部分指纹数据得到大量指纹数据；然后，基于这些生成数据，使用k最近邻（KNN

k-nearest neighbor）分类算法模型和随机森林模型进行定位预测。实验结果表明，该方法能够基于少量指纹数据实现较高的无线定位精度，定位精度达15.4 cm。

Abstract

Because wireless signals are susceptible to interference during the propagation process

the application of traditional indoor positioning methods in real life is limited.Because location-based fingerprint positioning technology has the advantage of strong universality

it has become a current research hotspot.The number of fingerprint data is an important factor affecting the accuracy of fingerprint positioning

but the cost of collecting a large amount of fingerprint data is large.Therefore

how to use a small amount of fingerprint data to achieve higher positioning accuracy is a difficult point of fingerprint positioning technology.Aiming at this problem

a high-precision indoor wireless positioning method based on generative adversarial network was proposed.Firstly

fingerprint data was collected densely at equal intervals indoors

and the initial fingerprint data set was constructed

the part of the fingerprint data was selected in the initial fingerprint data set

and the generative adversarial network was used to obtain a large amount of fingerprint data from part of the fingerprint data.Then

based on these generated data

a KNN (k-nearest neighbor) model and a random forest model were used for location prediction.Experimental results show that this method can achieve high wireless positioning accuracy based on a small amount of fingerprint data

and the positioning accuracy can reach 15.4 cm.

关键词

指纹定位生成对抗网络室内KNN随机森林

Keywords

fingerprint localizationgenerative adversarial networkindoorKNNrandom forest

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