TY - GEN AU - Molero Jiménez, Carlos AU - Palomares Caballero, Ángel AU - Alex Amor, Antonio AU - Parellada Serrano, Ignacio AU - Gámiz Pérez, Francisco Jesús AU - Padilla De La Torre, Pablo AU - Valenzuela Valdes, Juan Francisco PY - 2021 UR - https://hdl.handle.net/10481/98239 AB - The upcoming high-speed wireless communication systems will be hosted by millimeter- and sub-millimeter-wave frequency bands. At these frequencies, electromagnetic waves suffer from severe propagation losses and non-line-of-sight scenarios. A new... LA - eng PB - Institute of Electrical and Electronics Engineers (IEEE) KW - 3-D printing KW - Reconfigurable Intelligent Surface (RIS) KW - Graphene KW - Beamforming TI - Metamaterial-Based Reconfigurable Intelligent Surface: 3D Meta-Atoms Controlled by Graphene Structures DO - 10.1109/MCOM.001.2001161 ER -