Wireless power and data transfer system for internet of things over metal walls and metal shielded environments

Abstract

In this paper we explored the underlying physics of sheet like waveguides to generate surface waves at metal-air interfaces to carry power and data transmission. The presented system is capable of transmitting 40W power along 1.2 m and 16 W along 4 m and across 80 mm metal wall. The system was able to achieve 2.13-3.46 Mbps data throughput using WIFI access-points across 2 metal floors separated by 25m,on an LNG carrier ship. Internet of things device charging application has also been presented.