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Adopting Dilution of Precision for Indoor Localization

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Abstract

Due to the rising number of aged people in the last decades, many apprehensions about their quality of life and their personal security in their own homes came to surface especially when these persons prefer to live alone. Compared to other age groups, old persons are more susceptive to domestic incidents, such as sudden illnesses and falls. Therefore, using new technologies in elderly homecare became one of the most urgent issues to study. These technologies are classified into three categories: real time vital sign monitoring, activity recognition and indoor localization. In this paper we present our work in indoor positioning which is the combination of three existing technologies in a more effective, precise and accurate way: Bluetooth Low Energy, Acoustic and Light Fidelity (LiFi). Our main contribution is the proposition of new “dilution of precision” (DOP) indicators as precision weights of the results given by each technology. Depending on these new DOP-like indicators, we were able to judge how much precise and accurate the returned results are. The experiments we conducted proved that precision is much better when using these new precision metrics.

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Acknowledgements

The authors would like to thank the Deanship of Scientific Research at Majmaah University for supporting this work under Project Number R-1441-2.

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Authors and Affiliations

  1. Department of Computer Science and Information, College of Science at Zulfi, Majmaah University, Al-Majmaah, 11952, Saudi Arabia

    Adel Thaljaoui

  2. Department of Computer Science and Information, Toulouse University, Toulouse, France

    Adel Thaljaoui

  3. University of Sfax ENIS, Sfax, Tunisie

    Salim El Khediri

  4. University of Gafsa, Gafsa, Tunisie

    Salim El Khediri

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  1. Adel Thaljaoui
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  2. Salim El Khediri
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Correspondence to Salim El Khediri.

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Thaljaoui, A., El Khediri, S. Adopting Dilution of Precision for Indoor Localization. Wireless Pers Commun 128, 2307–2340 (2023). https://doi.org/10.1007/s11277-019-06896-9

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