We investigate the influence of Non Line Of Sight (NLOS) components on the performance of Vehicular VLC (V-VLC). Given the steep rise of Intelligent Transportation Systems (ITS) for road safety applications, the need for reliable technologies for Vehicle-to-Vehicle (V2V) communication rises. Among others, V-VLC turned out to be a promising candidate to enhance vehicular connectivity, which nicely complements Radio Frequency (RF)-based technologies. V-VLC is supposed to be a Line Of Sight (LOS) communication technology, nevertheless, there is also a NLOS component caused by reflection on the road surface. In this paper, we investigate this influence in a real-world measurement campaign for different ground surfaces. Our results are very interesting as they (a) confirm a huge impact, and (b) indicate such reflections being actually helpful as they improve the received signal strength.
Empirical Characterization of the NLOS Component for Vehicular Visible Light Communication
01.12.2019
9001053 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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