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Adaptive Empirical Path Loss Prediction Models for Indoor WLAN

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Abstract

This paper presents robust empirical path loss models to characterize indoor propagation for access point (AP) deployed at different heights. The proposed models are developed with wireless local area network infrastructure at 2.4 GHz. The models are backed by extensive received signal strength (RSS) measurements acquired in line of sight and obstructed line of sight regions. The models are developed for two conditions, viz; quasi realistic and realistic RSS measurements. The quasi realistic measurements are taken after suppressing human intervention and electrical interferences to minimum. While the realistic RSS measurements are made in presence of all the human interventions and electrical interferences. The shadow fading component for both quasi realistic and realistic conditions is statistically modeled with the dependency on AP height. The proposed technique can be applied with higher confidence level to the buildings with similar construction features where RSS measurements are made upon. The results reveal that the performance of the proposed propagation models is significantly higher than the existing International Telecommunication Union-path loss model. The results also demonstrate that the realistic path loss model is more robust than the quasi realistic model.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, K.L.E. Society’s College of Engineering and Technology, Belgaum, India

    Udaykumar Naik

  2. Ganga Institute of Technology and Management, Jhajjar, Haryana, India

    Vishram N. Bapat

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  1. Udaykumar Naik
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  2. Vishram N. Bapat
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Correspondence to Udaykumar Naik.

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Naik, U., Bapat, V.N. Adaptive Empirical Path Loss Prediction Models for Indoor WLAN. Wireless Pers Commun 79, 1003–1016 (2014). https://doi.org/10.1007/s11277-014-1914-9

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  • DOI: https://doi.org/10.1007/s11277-014-1914-9

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