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1 Journal of Telecommunications and Information Technology

1 2021

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C-V2X Communications for the Support of a Green Light Optimized Speed Advisory (GLOSA) Use Case

Chochliouros Ioannis P., Spiliopoulou Anastasia S., Kostopoulos Alexandros, Agapiou George, Lazaridis Pavlos, Zaharis Zaharias, Chen Tao, Dardamanis Athanassios, Kourtis Michail-Alexandros, Agapiou Marinos, Herzog Uwe, Ladid Latif

Journal of Telecommunications and Information Technology

2021

nr 2

93--106

Rapid expansion of 5G affects a number of sectors, including vehicular communications relying on cooperative intelligent transportation systems (C-ITS). More specifically, in the context of the Internet of Vehicles (IoV), a particular emphasis is placed on modern cellular V2X (C-V2X) technologies aiming to further improve road safety. This work originates from the detailed scope of the ongoing 5G-DRIVE research project promoting cooperation between the EU and China, with the aim of demonstrating IoV services that rely on vehicle-to-infrastructure (V2I) communications. With the C-V2X approach serving as a point of departure, we analyze and describe a specific green light-optimized speed advisory (GLOSA) use case, for which we provide a detailed descriptive framework, a proposed architectural framework for trials, as well as specific KPIs for the joint assessment of trials between the EU and China. We also discuss the context for performance test procedures to be conducted as part of the intended trials. GLOSA provides end-users with short-term information on upcoming traffic light status to optimize traffic flows, help prevent speed limit violations, improve fuel efficiency, and reduce pollution.