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Open Access

Atmospheric Pressure-Aware Seamless 3-D Localization and Navigation for Mobile Internet Devices

Nengqiang He1, Jinhai Huo2, Yuhan Dong1, Yipeng Li3, Yang Yu1, Yong Ren1( )
Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
China Electronic System Engineering Corporation (CESEC), Beijing 100141, China
Department of Automation, Tsinghua University, Beijing 100084, China
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Abstract

This paper describes a seamless three-dimensional (3-D) localization and navigation system for smartphones. The smartphone includes an atmospheric pressure sensor to measure the user's altitude that is combined with the outdoor Global Positioning System (GPS) and indoor WiFi-APs localization systems in a seamless 3-D localization system. The smartphone software also provides seamless navigation services by updating map information for both indoor and outdoor locations through the mobile Internet. The indoor floor information calculated from the altitude information is used to project localization anchor nodes, e.g., WiFi-AP, on different floors onto the user's floor with an indoor 3-D localization algorithm using projection distances based on a Received Signal Strength (RSS) algorithm. Tests show that the 3-D method reduces systematic errors and achieves much higher accuracy than the traditional two-dimensional localization method.

Keywords

3-D localization and navigationatmospheric pressuremobile smartphonemobile Internet

References

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Tsinghua Science and Technology
Volume 17 Issue 2,
April 2012
Pages 172-178
DOI: 10.1109/TST.2012.6180042

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Cite this article:
He N, Huo J, Dong Y, et al. Atmospheric Pressure-Aware Seamless 3-D Localization and Navigation for Mobile Internet Devices. Tsinghua Science and Technology, 2012, 17(2): 172-178. https://doi.org/10.1109/TST.2012.6180042

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Received: 08 January 2012
Revised: 10 February 2012
Published: 20 April 2012
© The author(s) 2012.

The articles published in this open access journal are distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/).