Theoretical Investigation of the Passive Transmitter Based on Reconfigurable Metasurface

Theoretical Investigation of the Passive Transmitter Based on Reconfigurable Metasurface

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Wireless communication has become a standard solution to satisfy the ever-increasing demands of information transfer in our daily life.Furthermore, reconfigurable metasurfaces comprised of multiple tunable unitcells have drawn significant attention due Fan Shop - CFL - Hats to their superior electromagnetic performance, while the desired electromagnetic response can be controlled by computer.We therefore present a prototype of a wireless communication system based reconfigurable metasurface that works in the microwave frequency range.A 2-D periodical array of a reconfigurable metasurface is loaded with a varactor diode to effectively adjust the in-band transmission and reflection coefficients that maintain different far-field electromagnetic characteristics.The reconfigurable metasurface does not radiate electromagnetic waves and only carries information by adjusting its reflection and transmission coefficients.

With this Midi Crate reconfigurable metasurface, a passive communication method can be realized.