DeepLoc: A Ubiquitous Accurate and Low-Overhead Outdoor Cellular Localization System

• URL: http://arxiv.org/abs/2106.13632v1
• Date: Fri, 25 Jun 2021 13:34:40 GMT
• Title: DeepLoc: A Ubiquitous Accurate and Low-Overhead Outdoor Cellular Localization System
• Authors: Ahmed Shokry, Marwan Torki, Moustafa Youssef
• Abstract summary: DeepLoc is a deep learning-based outdoor localization system. DeepLoc can achieve a median localization accuracy within 18.8m in urban areas and within 15.7m in rural areas. This accuracy outperforms the state-of-the-art cellular-based systems by more than 470% and comes with 330% savings in power compared to the GPS.
• Score: 6.780776591991887
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Recent years have witnessed fast growth in outdoor location-based services. While GPS is considered a ubiquitous localization system, it is not supported by low-end phones, requires direct line of sight to the satellites, and can drain the phone battery quickly. In this paper, we propose DeepLoc: a deep learning-based outdoor localization system that obtains GPS-like localization accuracy without its limitations. In particular, DeepLoc leverages the ubiquitous cellular signals received from the different cell towers heard by the mobile device as hints to localize it. To do that, crowd-sensed geo-tagged received signal strength information coming from different cell towers is used to train a deep model that is used to infer the user's position. As part of DeepLoc design, we introduce modules to address a number of practical challenges including scaling the data collection to large areas, handling the inherent noise in the cellular signal and geo-tagged data, as well as providing enough data that is required for deep learning models with low-overhead. We implemented DeepLoc on different Android devices. Evaluation results in realistic urban and rural environments show that DeepLoc can achieve a median localization accuracy within 18.8m in urban areas and within 15.7m in rural areas. This accuracy outperforms the state-of-the-art cellular-based systems by more than 470% and comes with 330% savings in power compared to the GPS. This highlights the promise of DeepLoc as a ubiquitous accurate and low-overhead localization system.

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