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Erschienen in:
2020 | OriginalPaper | Buchkapitel
Localization of a Mobile Node Using Fingerprinting in an Indoor Environment
verfasst von : Sohaib Bin Altaf Khattak, Min Jia, Mir Yasir Umair, Attiq Ahmed
Erschienen in: Communications, Signal Processing, and Systems
Verlag: Springer Singapore
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Abstract
Localization is an important requirement in today’s world, and numerous modern applications require location tracking. An indoor localization of a mobile node using the range-free fingerprinting technique in WLAN environment is presented. The work focuses on improvement in the accuracy of localization using some additional parameters in the fingerprint, along with the conventional received signal strength (RSS). ToA has been used to enrich the fingerprint data for more unique fingerprints. The impact of AP placement on localization accuracy is also addressed. In this paper, a technique is proposed that is not complex to implement using existing infrastructure and is also easy to understand. Significant improvement has been achieved from about 20 to 40% in different scenarios including line of sight and non-light of sight scenarios, small and large areas.