The Performance of the RSS-Based Lateration Algorithm for Indoor Localization

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Date

2019

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Institute of Electrical and Electronics Engineers Inc.

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Abstract

Localization methods have evolved over the years and led the invention of the Global Positioning System for outdoor localization. In time, the need for indoor localization has also arisen and research on indoor positioning systems has increased significantly. One of the most widely studied indoor localization algorithms is considered to be the Received Signal Strength-based lateration. The mentioned algorithm has a major advantage of being simple. In addition, it is low cost since it uses the existing infrastructure. In this paper, the performance of the RSS-based lateration is evaluated and compared for various scenarios through simulation studies. The accuracy of the algorithm is calculated when the path loss exponent value is known, when the path loss exponent value is estimated or when least-squares approximation is used. In addition, the impact of certain parameters such as the size of the area, the grid size or the noise level are investigated.

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Keywords

Indoor positioning systems, Least Squares Lateration, Path Loss Exponent, Received Signal strength

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2

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Volume

09/01/19

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Start Page

148

End Page

153