Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

TEZE: A System to Enhance Safety in Highway Tunnels as a New Smartphone-Based Emergency Call Paradigm

Version 1 : Received: 18 November 2022 / Approved: 21 November 2022 / Online: 21 November 2022 (07:56:48 CET)

A peer-reviewed article of this Preprint also exists.

Giuliano, R.; Mazzenga, F.; Tenaglia, E.; Vatalaro, F.; Vizzarri, A.; Zei, G. TEZE: A System to Enhance Safety in Highway Tunnels as a New Smartphone-Based Emergency Call Paradigm. Electronics 2023, 12, 333. Giuliano, R.; Mazzenga, F.; Tenaglia, E.; Vatalaro, F.; Vizzarri, A.; Zei, G. TEZE: A System to Enhance Safety in Highway Tunnels as a New Smartphone-Based Emergency Call Paradigm. Electronics 2023, 12, 333.

Abstract

In the European Union, the eCall system has been mandatory since March 31, 2018. The system enabled a significant increase in safety on roads and highways, making help faster in the event of an accident. However, based on circuit-switched 2G/3G communications and an onboard device called IVS, it is generally unavailable on legacy vehicles. Some of its limitations tend to be remedied by the future NG eCall based on 4G/5G packet-switched communications. This paper discusses why IVS may be an Achilles’ heel of any future IVS-based eCall and analyzes the advantages of a smartphone-based system. The TEZE system, implemented and installed in Italian highway tunnels, is a first general-purpose safety system, and allows highly reliable smartphone-based emergency calls. It is based on a dedicated low-cost ground infrastructure that allows monitoring of the availability of emergency call service through the mobile radio networks of the operators present inside the tunnels. The system complies with the ISO/IEC 30141:2018 reference standard. Identifying functional/non-functional requirements and their verification criteria provide an overall validation of the analyzed system. The paper concludes by examining some key functionalities for vehicular services that can be implemented in an integrated system based on smartphones and heterogeneous networks.

Keywords

NG eCall; road security; cellular communications; heterogeneous networks; smartphone.

Subject

Engineering, Electrical and Electronic Engineering

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