Use of artificial magnetic anomalies in indoor pedestrian navigation

Paul Kemppi, Juuso Pajunen, T. Rautiainen

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

9 Citations (Scopus)

Abstract

Pedestrian dead reckoning (PDR) based on inertial sensing alone does not provide absolute user location relative to the environment. Moreover, accuracy of the PDR position estimates degrades as a function of time due to the inaccuracies in the raw sensor data. Therefore, a key for successful and cost-effective indoor positioning is to find a way to provide occasional location fixes to assist the PDR. We present a novel way to use a magnetometer to detect and identify artificially created magnetic anomalies that can be interpreted as location fixes. Since inertial measurement units (IMUs) commonly include a built-in magnetometer for heading estimation, the proposed method does not require any additional hardware to be carried by the user. The objective of the paper is to introduce the aforementioned approach in more detail and to evaluate it with a prototype and a positioning trial. (15 refs.)
Original languageEnglish
Title of host publicationProceedings
Subtitle of host publicationIEEE 72nd Vehicular Technology Conference Fall, VETECF 2010
Place of PublicationPiscataway, NJ, USA
PublisherInstitute of Electrical and Electronic Engineers IEEE
Number of pages5
ISBN (Print)978-1-4244-3574-6, 978-1-4244-3573-9
DOIs
Publication statusPublished - 2010
MoE publication typeA4 Article in a conference publication
EventIEEE 72nd Vehicular Technology Conference Fall, VETECF 2010 - Ottawa, ON, United States
Duration: 6 Sep 20109 Sep 2010

Conference

ConferenceIEEE 72nd Vehicular Technology Conference Fall, VETECF 2010
Abbreviated titleVETECF 2010
CountryUnited States
CityOttawa, ON
Period6/09/109/09/10

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Navigation
Magnetometers
Units of measurement
Hardware
Sensors
Costs

Cite this

Kemppi, P., Pajunen, J., & Rautiainen, T. (2010). Use of artificial magnetic anomalies in indoor pedestrian navigation. In Proceedings : IEEE 72nd Vehicular Technology Conference Fall, VETECF 2010 Piscataway, NJ, USA: Institute of Electrical and Electronic Engineers IEEE. https://doi.org/10.1109/VETECF.2010.5594106
Kemppi, Paul ; Pajunen, Juuso ; Rautiainen, T. / Use of artificial magnetic anomalies in indoor pedestrian navigation. Proceedings : IEEE 72nd Vehicular Technology Conference Fall, VETECF 2010. Piscataway, NJ, USA : Institute of Electrical and Electronic Engineers IEEE, 2010.
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Kemppi, P, Pajunen, J & Rautiainen, T 2010, Use of artificial magnetic anomalies in indoor pedestrian navigation. in Proceedings : IEEE 72nd Vehicular Technology Conference Fall, VETECF 2010. Institute of Electrical and Electronic Engineers IEEE, Piscataway, NJ, USA, IEEE 72nd Vehicular Technology Conference Fall, VETECF 2010, Ottawa, ON, United States, 6/09/10. https://doi.org/10.1109/VETECF.2010.5594106

Use of artificial magnetic anomalies in indoor pedestrian navigation. / Kemppi, Paul; Pajunen, Juuso; Rautiainen, T.

Proceedings : IEEE 72nd Vehicular Technology Conference Fall, VETECF 2010. Piscataway, NJ, USA : Institute of Electrical and Electronic Engineers IEEE, 2010.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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AB - Pedestrian dead reckoning (PDR) based on inertial sensing alone does not provide absolute user location relative to the environment. Moreover, accuracy of the PDR position estimates degrades as a function of time due to the inaccuracies in the raw sensor data. Therefore, a key for successful and cost-effective indoor positioning is to find a way to provide occasional location fixes to assist the PDR. We present a novel way to use a magnetometer to detect and identify artificially created magnetic anomalies that can be interpreted as location fixes. Since inertial measurement units (IMUs) commonly include a built-in magnetometer for heading estimation, the proposed method does not require any additional hardware to be carried by the user. The objective of the paper is to introduce the aforementioned approach in more detail and to evaluate it with a prototype and a positioning trial. (15 refs.)

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Kemppi P, Pajunen J, Rautiainen T. Use of artificial magnetic anomalies in indoor pedestrian navigation. In Proceedings : IEEE 72nd Vehicular Technology Conference Fall, VETECF 2010. Piscataway, NJ, USA: Institute of Electrical and Electronic Engineers IEEE. 2010 https://doi.org/10.1109/VETECF.2010.5594106