VITAL: Vision Transformer Neural Networks for Accurate Smartphone Heterogeneity Resilient Indoor Localization

• URL: http://arxiv.org/abs/2302.09443v1
• Date: Sat, 18 Feb 2023 23:43:45 GMT
• Title: VITAL: Vision Transformer Neural Networks for Accurate Smartphone Heterogeneity Resilient Indoor Localization
• Authors: Danish Gufran, Saideep Tiku, Sudeep Pasricha
• Abstract summary: Wi-Fi fingerprinting-based indoor localization is an emerging embedded application domain. We propose a novel framework based on vision transformer neural networks called VITAL to address this challenge.
• Score: 3.577310844634503
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Wi-Fi fingerprinting-based indoor localization is an emerging embedded application domain that leverages existing Wi-Fi access points (APs) in buildings to localize users with smartphones. Unfortunately, the heterogeneity of wireless transceivers across diverse smartphones carried by users has been shown to reduce the accuracy and reliability of localization algorithms. In this paper, we propose a novel framework based on vision transformer neural networks called VITAL that addresses this important challenge. Experiments indicate that VITAL can reduce the uncertainty created by smartphone heterogeneity while improving localization accuracy from 41% to 68% over the best-known prior works. We also demonstrate the generalizability of our approach and propose a data augmentation technique that can be integrated into most deep learning-based localization frameworks to improve accuracy.

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