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Neural-based approach for localization of sensors in indoor environment

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Abstract

Location of wireless sensor nodes is an important piece of information for many applications. There are many algorithms present in literature based on Received Signal Strength (RSSI) to estimate the location. However the radio signal propagation is easily influenced by diffraction, reflection and scattering. Therefore algorithms purely based on RSSI may not accurately predict the position of the node.

In the present work, an algorithm for estimating the position of mobile nodes is proposed which is based on a combination of Received Signal Strength (RSSI) and Link Quality Indicator (LQI). Artificial Neural Networks are used to establish the relationship between the location of the mobile node and the experimentally obtained values of RSSI and LQI. Two different algorithms namely, Bayesian Regularization and Gradient Descent are used to develop the neural network model. Proposed algorithms improve the localization accuracy and perform better than other state-of-the-art algorithms.

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Correspondence to Nazish Irfan.

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Irfan, N., Bolic, M., Yagoub, M.C.E. et al. Neural-based approach for localization of sensors in indoor environment. Telecommun Syst 44, 149–158 (2010). https://doi.org/10.1007/s11235-009-9223-4

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  • DOI: https://doi.org/10.1007/s11235-009-9223-4

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