Wi-Fi-based Positioning in a Complex Underground Environment

被引：6

作者：

Cypriani, Matteo ^{[1
]}

Delisle, Gilles ^{[1
]}

Hakem, Nadir ^{[1
]}

机构：

[1] UQAT, LRTCS, Val Dor, PQ, Canada

来源：

JOURNAL OF NETWORKS | 2015年 / 10卷 / 03期

关键词：

positioning; localization; underground; mines; IEEE; 802.11; Wi-Fi; self-calibration; autocalibration;

D O I：

10.4304/jnw.10.3.141-151

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Underground mining tunnels constitute a very particular environment for radio wave propagation - with characteristics of both indoor and outdoor "regular" environments. This paper shows how a general-purpose Wi-Fi-based indoor positioning system, OwlPS (Owl Positioning System) was adapted to work in that particular environment. A series of experiments, conducted in a formerly exploited gold mine at 70 metres below the surface, across about 400 metres of drifts, is then introduced; it primarily aims at determining the positioning accuracy that can be reached in such a context with a Wi-Fi-based positioning system using the signal strength at 2.4 GHz. The results obtained are improved with a filter, and the mean Euclidean distance error is under 10 metres in most cases when the terminal is carried by an operator; this makes OwlPS usable as is for asset management and emergency positioning of workers underground.

引用

页码：141 / 151

页数：11

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