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Information 2019, 10(1), 32;

Towards Personal Virtual Traffic Lights

Instituto de Telecomunicações, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
Escola Superior de Tecnologia e Gestão de Águeda—Universidade de Aveiro, 3754-909 Águeda, Portugal
Author to whom correspondence should be addressed.
Received: 28 November 2018 / Revised: 9 January 2019 / Accepted: 14 January 2019 / Published: 17 January 2019
(This article belongs to the Special Issue Vehicular Networks and Applications)
PDF [2289 KB, uploaded 17 January 2019]
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Traffic control management at intersections, a challenging and complex field of study, aims to strike a balance between safety and efficient traffic control. Nowadays, traffic control at intersections is typically done by traffic light systems which are not optimal and exhibit several drawbacks, such as poor efficiency and real-time adaptability. With the advent of Intelligent Transportation Systems (ITS), vehicles are being equipped with state-of-the-art technology, enabling cooperative decision-making which will certainly overwhelm the available traffic control systems. This solution strongly penalizes users without such capabilities, namely pedestrians, cyclists, and other legacy vehicles. Therefore, in this work, a prototype based on an alternative technology to the standard vehicular communications, Bluetooth Low Energy (BLE), is presented. The proposed framework aims to integrate legacy and modern vehicular communication systems into a cohesive management system. In this framework, the movements of users at intersections are managed by a centralized controller which, through the use of networked retransmitters deployed at intersections, broadcasts alerts and virtual light signalization orders. Users receive the aforementioned information on their own smart devices, discarding the need for dedicated light signalization infrastructures. Field tests, carried out with a real-world implementation, validate the correct operation of the proposed framework. View Full-Text
Keywords: V2X; VTL; C-ITS; vehicular networks; vulnerable road users V2X; VTL; C-ITS; vehicular networks; vulnerable road users

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Martins, V.; Rufino, J.; Silva, L.; Almeida, J.; Miguel Fernandes Silva, B.; Ferreira, J.; Fonseca, J. Towards Personal Virtual Traffic Lights. Information 2019, 10, 32.

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