Please use this identifier to cite or link to this item: https://scholar.dlu.edu.vn/handle/123456789/2432
Title: A Multi-Floor Indoor Pedestrian Localization Method Using Landmarks Detection for Different Holding Styles
Authors: Nguyễn, Hữu Khánh 
Lee, S. W.
Keywords: Indoor Positioning System
Issue Date: 2021
Publisher: Hindawi Limited
Journal: Mobile Information Systems
Abstract: 
The pedestrian dead reckoning (PDR) technique is widely used due to its ease of implementation on portable devices such as smartphones. However, the position error that accumulates over time is the main drawback of this technology. In this paper, we propose a fusion method combining a PDR technique and the landmark recognition methods for multi-floor indoor environments using a smartphone in different holding styles. The proposed method attempts to calibrate the position of a pedestrian by detecting whether the pedestrian passes by specific locations called landmarks. Three kinds of landmarks are defined, which are the WiFi, the turning, and the stairs landmarks, and the detection methods for each landmark are proposed. Besides, an adaptive floor detection method using a barometer and a WiFi fingerprinting technique is suggested for tracking a pedestrian in a multi-floor building. The developed system can track the pedestrian holding a smartphone in four styles. The results of the experiment conducted by three subjects changing the holding style in a three-floor building show the superior performance of the proposed method. It reduces the error rate of positioning results to less than 57.51% compared with the improved PDR alone system.
URI: https://scholar.dlu.edu.vn/handle/123456789/2432
Type: Bài báo đăng trên tạp chí thuộc ISI, bao gồm book chapter
Appears in Collections:Tạp chí (Khoa Vật lý và Kỹ thuật hạt nhân)

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