Enhancing Localization Accuracy and Reducing Processing Time in Indoor Positioning Systems: A Comparative Analysis of AI Models

This paper presents a comparative study of different AI models for indoor positioning systems, emphasizing improvements in localization accuracy and processing time. This study examines Artificial Neural Networks (ANNs), Long Short-Term Memory (LSTM), Recurrent Neural Networks (RNNs), and the Kalman...

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Main Authors: Salwa Sahnoun, Rihab Souissi, Sirine Chiboub, Aziza Chabchoub, Mohamed Khalil Baazaoui, Ahmed Fakhfakh, Faouzi Derbel
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/25/2/475
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author Salwa Sahnoun
Rihab Souissi
Sirine Chiboub
Aziza Chabchoub
Mohamed Khalil Baazaoui
Ahmed Fakhfakh
Faouzi Derbel
author_facet Salwa Sahnoun
Rihab Souissi
Sirine Chiboub
Aziza Chabchoub
Mohamed Khalil Baazaoui
Ahmed Fakhfakh
Faouzi Derbel
author_sort Salwa Sahnoun
collection DOAJ
description This paper presents a comparative study of different AI models for indoor positioning systems, emphasizing improvements in localization accuracy and processing time. This study examines Artificial Neural Networks (ANNs), Long Short-Term Memory (LSTM), Recurrent Neural Networks (RNNs), and the Kalman filter using a real Received Signal Strength Indicator (RSSI) and 9-axis ICM-20948 sensor. An in-depth analysis is provided in this paper for data cleaning and feature selection to reduce errors for all the models. We evaluate these models in terms of localization accuracy and prediction time. The RNN model shows the best performance, achieving a localization error of 0.247 m with a delay of 0.077 s per position location for an area of 12 m × 9.5 m using four anchors. This research highlights the importance of selecting AI models for effective mobile tracking according to test and validation data.
format Article
id doaj-art-7ce5fca6df6c484981dfb94ed08f40fb
institution Kabale University
issn 1424-8220
language English
publishDate 2025-01-01
publisher MDPI AG
record_format Article
series Sensors
spelling doaj-art-7ce5fca6df6c484981dfb94ed08f40fb2025-01-24T13:49:04ZengMDPI AGSensors1424-82202025-01-0125247510.3390/s25020475Enhancing Localization Accuracy and Reducing Processing Time in Indoor Positioning Systems: A Comparative Analysis of AI ModelsSalwa Sahnoun0Rihab Souissi1Sirine Chiboub2Aziza Chabchoub3Mohamed Khalil Baazaoui4Ahmed Fakhfakh5Faouzi Derbel6Laboratory of Signals, Systems, Artificial Intelligence and Networks (SM@RTS), Digital Research Center of Sfax (CRNS), Sfax University, Sfax 3021, TunisiaLaboratory of Signals, Systems, Artificial Intelligence and Networks (SM@RTS), Digital Research Center of Sfax (CRNS), Sfax University, Sfax 3021, TunisiaLaboratory of Signals, Systems, Artificial Intelligence and Networks (SM@RTS), Digital Research Center of Sfax (CRNS), Sfax University, Sfax 3021, TunisiaLaboratory of Signals, Systems, Artificial Intelligence and Networks (SM@RTS), Digital Research Center of Sfax (CRNS), Sfax University, Sfax 3021, TunisiaLaboratory of Signals, Systems, Artificial Intelligence and Networks (SM@RTS), Digital Research Center of Sfax (CRNS), Sfax University, Sfax 3021, TunisiaLaboratory of Signals, Systems, Artificial Intelligence and Networks (SM@RTS), Digital Research Center of Sfax (CRNS), Sfax University, Sfax 3021, TunisiaSmart Diagnostic and Online Monitoring, Leipzig University of Applied Sciences, Wächterstraße 13, 04107 Leipzig, GermanyThis paper presents a comparative study of different AI models for indoor positioning systems, emphasizing improvements in localization accuracy and processing time. This study examines Artificial Neural Networks (ANNs), Long Short-Term Memory (LSTM), Recurrent Neural Networks (RNNs), and the Kalman filter using a real Received Signal Strength Indicator (RSSI) and 9-axis ICM-20948 sensor. An in-depth analysis is provided in this paper for data cleaning and feature selection to reduce errors for all the models. We evaluate these models in terms of localization accuracy and prediction time. The RNN model shows the best performance, achieving a localization error of 0.247 m with a delay of 0.077 s per position location for an area of 12 m × 9.5 m using four anchors. This research highlights the importance of selecting AI models for effective mobile tracking according to test and validation data.https://www.mdpi.com/1424-8220/25/2/475indoor positioning systemsAIneural networksANNRNNLSTM
spellingShingle Salwa Sahnoun
Rihab Souissi
Sirine Chiboub
Aziza Chabchoub
Mohamed Khalil Baazaoui
Ahmed Fakhfakh
Faouzi Derbel
Enhancing Localization Accuracy and Reducing Processing Time in Indoor Positioning Systems: A Comparative Analysis of AI Models
Sensors
indoor positioning systems
AI
neural networks
ANN
RNN
LSTM
title Enhancing Localization Accuracy and Reducing Processing Time in Indoor Positioning Systems: A Comparative Analysis of AI Models
title_full Enhancing Localization Accuracy and Reducing Processing Time in Indoor Positioning Systems: A Comparative Analysis of AI Models
title_fullStr Enhancing Localization Accuracy and Reducing Processing Time in Indoor Positioning Systems: A Comparative Analysis of AI Models
title_full_unstemmed Enhancing Localization Accuracy and Reducing Processing Time in Indoor Positioning Systems: A Comparative Analysis of AI Models
title_short Enhancing Localization Accuracy and Reducing Processing Time in Indoor Positioning Systems: A Comparative Analysis of AI Models
title_sort enhancing localization accuracy and reducing processing time in indoor positioning systems a comparative analysis of ai models
topic indoor positioning systems
AI
neural networks
ANN
RNN
LSTM
url https://www.mdpi.com/1424-8220/25/2/475
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AT sirinechiboub enhancinglocalizationaccuracyandreducingprocessingtimeinindoorpositioningsystemsacomparativeanalysisofaimodels
AT azizachabchoub enhancinglocalizationaccuracyandreducingprocessingtimeinindoorpositioningsystemsacomparativeanalysisofaimodels
AT mohamedkhalilbaazaoui enhancinglocalizationaccuracyandreducingprocessingtimeinindoorpositioningsystemsacomparativeanalysisofaimodels
AT ahmedfakhfakh enhancinglocalizationaccuracyandreducingprocessingtimeinindoorpositioningsystemsacomparativeanalysisofaimodels
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