Smartphone indoor positioning based on enhanced BLE beacon multi-lateration

In this paper, we introduce a smartphone indoor positioning method using bluetooth low energy (BLE) beacon multilateration. At first, based on signal strength analysis, we construct a distance calculation model for BLE beacons. Then, with the aims to improve positioning accuracy, we propose an impro...

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Bibliographic Details
Published in:Telkomnika 2021-02, Vol.19 (1), p.51-62
Main Authors: Duong, Ngoc-Son, Dinh Thi, Thai-Mai
Format: Article
Language:English
Subjects:
Accuracy
Algorithms
Beacons
Bluetooth
Global positioning systems
GPS
Internet of Things
Location based services
Methods
Noise
Radio frequency identification
Signal strength
Smartphones
Social research
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Summary:In this paper, we introduce a smartphone indoor positioning method using bluetooth low energy (BLE) beacon multilateration. At first, based on signal strength analysis, we construct a distance calculation model for BLE beacons. Then, with the aims to improve positioning accuracy, we propose an improved lateral method (range-based method) which is applied for 4 nearby beacons. The method is intended to design a real-time system for some services such as emergency assistance, personal localization and tracking, location-based advertising and marketing, etc. Experimental results show that the proposed method achieves high accuracy when compared with the state of the art lateral methods such as geometry-based (conventional trilateration), least square estimation-based (LSE-based) and weighted LSE-based.
ISSN:1693-6930
2302-9293
DOI:10.12928/telkomnika.v19i1.16275