Reconfigurable Dual-polarized Waveguide-fed Metasurface for 5G Millimeter-wave Communication

Résumé fourni par la source

A reconfigurable dual-polarized waveguide-fed metasurface (RDWM) is presented for 5G millimeter-wave communication systems. The design uses a dual-layer substrate-integrated waveguide (SIW) architecture with ±45° slot-coupled elements, enabling independent control of ±45° polarizations. By incorporating guided-wave feeding mechanisms with PIN diode-based state switching, the system achieves dual-polarization beam steering with angular errors below 3°. Experimental validations demonstrate the metasurface's ability to steer +45° and -45° polarized beams in distinct directions (e.g., +45° fixed at 0° while -45° steered to 20°) independently, showcasing decoupled control of orthogonal polarization channels. This work provides a paradigm for low-profile, multi-functional antenna systems in next-generation 5G/6G networks.

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