A CONCEPTUAL FRAMEWORK FOR PRACTICAL IMPLEMENTATION OF LI-FI FOR V2V VANET COMMUNICATION

The emergence of light fidelity (Li-Fi) has revolutionized the way information are sent froma source to destination. Despite the expensiveness of Li-Fi, it still found application in mosttime critical information transmission between a source and destination due to its fastness.Consequently, this paper presents a Li-Fi mimic approach for communicating sensed roadanomalies among vehicles in a Vehicular Ad-hoc Network (VANET), towards minimizingthe loss of lives and properties. These entailed the design of a laboratory road model and analgorithm for sensing road anomalies (potholes and speed bumps) based on light pulseemitted from an ultrasonic sensor. Furthermore, a Li-Fi mimic concept involving the use ofa laser sensor for transmitting the sensed road anomaly to another vehicle within thetransmission radius having a photodiode embed in it as the receiver and displaying thecorresponding received information accordingly. Experimental results showed that theproposed Li-Fi mimic approach was able to successful communicate sensed road anomaliesbetween the transmitted and received vehicle with about 99% accuracy and 1meter apart.Thus, indicating the potentials of using Li-Fi for communicating sensed road anomaliesamong vehicles towards notifying drivers of the presence of road anomalies, in order tomake effective decisions.