LIFI Technology

https://www.jagranjosh.com/general-knowledge/what-is-the-difference-between-lifi-and-wifi-technology-1501140564-1

https://digitalspartan.com/what-is-lifi/

https://blog.beaconstac.com/2016/05/li-fi-vs-wi-fi-vs-ibeacon-ble-technology/

http://www.helios7.com/how-does-lifi-technology-works/

https://www.google.co.in/url?sa=i&rct=j&q=&esrc=s&source=imgres&cd=&cad=rja&uact=8&ved=2ahUKEwiWx8KTj7LdAhVEZt4KHSbCByEQjRx6BAgBEAU&url=http%3A%2F%2Fvisiblelightcomm.com%2Fwhat-is-visible-light-communication-vlc%2F&psig=AOvVaw2sBT7eYUBCGt9qRUATHqrm&ust=1536726455093716

https://www.led-professional.com/project_news/lamps-luminaires/worlds-first-industrialized-lifi-luminaire

http://visiblelightcomm.com/what-is-visible-light-communication-vlc/

https://purelifi.com/technology/#what-is-lifi

Mathematics Journal paper on lifi

https://www.pinterest.com/dev2448/li-fi-technology/