Connection of the SUMO Microscopic Traffic Simulator and the Unity 3D Game Engine to Evaluate V2X Communication-Based Systems. - Cristina Olaverri-Monreal; Javier Errea-Moreno; Alberto Díaz-Álvarez; Carlos Biurrun-Quel; Luis Serrano-Arriezu; Markus Kuba (Sensors, 2018)