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Indoor Navigation Algorithm Based on a Smartphone Inertial Measurement Unit and Map Matching

2021-09-24 01:49:50
Taewon Kang, Younghoon Shin
arXiv_RO
     
Abstract

We propose an indoor navigation algorithm based on pedestrian dead reckoning (PDR) using an inertial measurement unit in a smartphone and map matching. The proposed indoor navigation system is user-friendly and convenient because it requires no additional device except a smartphone and works with a pedestrian in a casual posture who is walking with a smartphone in their hand. Because the performance of the PDR decreases over time, we greatly reduced the position error of the trajectory estimated by PDR using a map matching method with a known indoor map. To verify the proposed indoor navigation algorithm, we conducted an experiment in a real indoor environment using a commercial Android smartphone. The performance of our algorithm was demonstrated through the results of the experiment.

Abstract (translated)

URL

https://arxiv.org/abs/2109.11706

PDF

https://arxiv.org/pdf/2109.11706.pdf

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