Visible Light Communication in Railways

摘要

There has been an ever-increasing demands on the rail transport network lately, with a vast majority of customers having access to mobile communication and the internet. As such, there is a need for a transport network which is more intelligent and provides seamless connectivity to meet the demand. Visible Light Communication (VLC) - A technology which has matured recently, has the potential to provide a wide range of benefits to the railway industry. The paper outlines the basic components in this system, review the state of the art and discuss some of the challenges & possibilities and the broad spectrum of potential applications in railway environment this new wireless technique opens up.