Smart City: Recent Advances in Intelligent Street Lighting Systems Based on IoT

Table 2

Comparison between Li-Fi and Wi-Fi.

Parameter	Li-Fi	Wi-Fi
Security	More secure	Less secure
Frequency	1000 times of THz	2.4-5 GHz
Transmitter	LED	Antenna
Receiver	LED	Antenna
Power consumption	Less	More
Efficiency	More	Less