Cordente, FelipeMartinez-de-Rioja, EduardoArboleya, AnaEncinar, José Antonio2024-10-282024-10-282023-09978-84-09-53230-8https://hdl.handle.net/10115/40790URSI 2023: XXXVIII Simposio Nacional de la Unión Científica Internacional de Radio. Cáceres, 13 - 15 septiembre 2023In this contribution, a dual-band reflectarray that operates at 28 and 39 GHz is proposed for millimeter-wave 5G applications. The unit-cell of the reflectarray is based on a dual-layer configuration, where the printed elements on each layer are used to control the phase shift introduced at each operating frequency. A 20 cm x 20 cm reflectarray is designed to generate a collimated beam in dual-linear polarization (Horizontal and Vertical) simultaneously at 28 and 39 GHz. The proposed technology can be applied to design passive intelligent reflecting surfaces (IRS) with dual-band operation, which can be used in millimeter-wave 5G networks to improve the coverage of dead zones or avoid the obstacles that block direct point-to-point communications links.spainfo:eu-repo/semantics/conferenceObjectinfo:eu-repo/semantics/closedAccess