UWB time of flight-based indoor IoT localisation solution with deep learning optimised by meta-heuristics
by Sihem Tlili; Sami Mnasri; Thierry Val
International Journal of Sensor Networks (IJSNET), Vol. 44, No. 2, 2024

Abstract: Nowadays, indoor localisation is among the most important challenges in IoT networks. Furthermore, deep learning techniques are emerging as a leading method. Additionally, meta-heuristic algorithms attract several research domains due to its efficiency in resolving optimisation problems. In this work, a deep learning model optimised by meta-heuristic algorithms and based on time of flight (ToF) measurements captured by ultra-wide band technology, as an indoor IoT localisation solution, is proposed. The findings showed that optimisation with the grey wolf optimiser can accelerate convergence towards optimal parameters during the learning phase. Compared with three among recent and widely applied localisation solutions, the suggested solution provided more accurate positions of the IoT mobile object as it yielded better results in terms of localisation accuracy (98.92%), mean absolute error (0.057 m) and mean squared error (0.0095 m). In addition to standard comparisons, inferential statistical procedures were employed to emphasise the superior performance of the proposed approach.

Online publication date: Fri, 16-Feb-2024

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