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An Adaptive AP Selection Scheme Based on RSS for Enhancing Positioning Accuracy

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Abstract

In recent years, the indoor positioning technologies have been recognized as core technologies for realizing smart space, a ubiquitous society, context awareness, and various location-based services. There are several approaches for positioning with radio signals, but the received signal strength (RSS)-based technology is considered a promising scheme because of its simplicity and practicality in implementation. In this paper, the positioning performance of the RSS value-based scheme is analyzed with respect to the location of access points (APs) and the number of APs in an indoor environment. An adaptive AP selection scheme and a base AP changing scheme are then proposed to enhance the positioning accuracy. In order to estimate the RSS characteristics, RSS values are measured as the distance between the AP and the receiver increases. The positioning performance is evaluated with differing AP numbers, which form a triangle or a quadrilateral. The performance of the proposed schemes is evaluated via experiments using wireless local area network APs. Results show that the performance of proposed schemes is enhanced compared to that of conventional scheme.

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Authors and Affiliations

  1. Department of Electronics Engineering, Kwangwoon University, Seoul, Korea

    Hyeonmu Jeon, Uk Jo, Mingyu Jo, Nammoon Kim & Youngok Kim

Authors
  1. Hyeonmu Jeon
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  2. Uk Jo
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  3. Mingyu Jo
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  4. Nammoon Kim
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  5. Youngok Kim
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Corresponding author

Correspondence to Youngok Kim.

Additional information

This paper was presented in part at the International Conference on Advanced Communication and Networking (ACN), Brno, Czech Republic, Aug. 2011.

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Jeon, H., Jo, U., Jo, M. et al. An Adaptive AP Selection Scheme Based on RSS for Enhancing Positioning Accuracy. Wireless Pers Commun 69, 1535–1550 (2013). https://doi.org/10.1007/s11277-012-0649-8

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  • DOI: https://doi.org/10.1007/s11277-012-0649-8

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