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Analysis of IMU and GNSS Data Provided by Xiaomi 8 Smartphone

Kaiser, Susanna and Yazheng, Wei and Renaudin, Valerie (2021) Analysis of IMU and GNSS Data Provided by Xiaomi 8 Smartphone. In: IPIN 2021. IPIN 2021, Lloret de Mar, Spain.

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Abstract

The quality of positioning information given by smartphones is not always fully evident and might be inaccurate. With the possibility to access the Inertial Measurement Unit (IMU) data of the smartphone using the Android application program interface (API) functions and the Global Navigation Satellite System (GNSS) signals using the GNSS analysis App from Google, more or less unprocessed data is made available to developers and users. This enables the assessment of the quality of the smartphone chipsets and final positioning information. In this paper, we investigate the quality of available GNSS and IMU measurements and final track estimates of the smartphone. The analysis includes both static and dynamic measurements. A platform is developed to carry both, the smartphone and high accurate reference sensors for a fair comparison in the dynamic tests. The data of the different sensors are synchronized and the lever arm is removed. Open-sky and urban environments are considered for the GNSS analyses. Depending on the environment and on the dynamics, we show the different quality impairments of the data in this paper. Moreover, the Google Android indicators are investigated and their consistency and context with the data are provided.

Item URL in elib:https://elib.dlr.de/142700/
Document Type:Conference or Workshop Item (Speech)
Title:Analysis of IMU and GNSS Data Provided by Xiaomi 8 Smartphone
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Kaiser, SusannaSusanna.Kaiser (at) dlr.deUNSPECIFIED
Yazheng, Weivalerie.renaudin (at) univ-eiffel.frUNSPECIFIED
Renaudin, Valerievalerie.renaudin (at) univ-eiffel.frUNSPECIFIED
Date:31 May 2021
Journal or Publication Title:IPIN 2021
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:IMU data, GNSS data, smartphones, pedestrian navigation
Event Title:IPIN 2021
Event Location:Lloret de Mar, Spain
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Road Transport
DLR - Research area:Transport
DLR - Program:V ST Straßenverkehr
DLR - Research theme (Project):V - NGC KoFiF
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Communications Systems
Deposited By: Kaiser, Dr.-Ing. Susanna
Deposited On:23 Aug 2021 10:21
Last Modified:13 Jan 2022 13:23

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