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

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

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


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.

Original languageEnglish
Pages (from-to)93-106
Number of pages14
JournalJournal of Telecommunications and Information Technology
Issue number2
Publication statusPublished - 30 Jun 2021


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