Design of MIMO SSPP Holographic Leaky-Wave Antenna for 5G Wireless Application

Abstract

In this paper, a multi-input multi-output (MIMO) spoof surface plasmon polariton (SSPP) leaky-wave metasurface is designed based on the holographic principle for the 5G frequency (28 GHz) range and its applications. For the SSPP leaky-wave antenna (LWA) to perform well with excitation from each input, it is necessary to simultaneously modulate the hologram surface in different directions. This hologram consists of hollow cross-bars metallic (HCB). Each HCB unit-cell has a period of λ0/5. The size of the proposed MIMO SSPP holographic LWA is $1.6 \times 1.6\lambda _0^2$. When designing by holographic method, we considered the reference wave as a planar wave and the object wave as quasi Omnidirectional. The realized gain of this proposed structure is about three dBi obtained. MATLAB and full-wave software have been used (CST Microwave Studio) for computer simulations.