Electronic Reconfigurable Beam-redirecting Metasurfaces for Outdoor-indoor Radio Coverage Enhancement at 5.2 GHz. - Mario Vala; André Sardo; Joao R. Reis; Rafael F. S. Caldeirinha (PIMRC, 2018)

Review Paper on Transmitarray Antennas. - Joao R. Reis; Mario Vala; Rafael F. S. Caldeirinha (IEEE Access, 2019)

Metamaterial-inspired Flat-Antenna Design for 5G Small-cell Base-Stations Operating at 3.6 GHz. - João R. Reis; Mário Vala; Telmo R. Fernandes; Rafael F. S. Caldeirinha (CSNDSP, 2020)

A Study on Small Sensor Node Antenna Performance Camouflaged Under Grassland Fire. - Tiago E. S. Oliveira; Mário Vala; Stefânia Faria; João R. Reis; Nuno Leonor; Rafael F. S. Caldeirinha (IFIPIoT, 2021)

Metamaterial-Inspired Flat Beamsteering Antenna for 5G Base Stations at 3.6 GHz. - João R. Reis; Mário Vala; Tiago Emanuel Oliveira; Telmo Rui Fernandes; Rafael F. S. Caldeirinha (Sensors, 2021)

A feasibility study on real-time concealed object detection in foliage using STDCC radar. - Luís Duarte; Mário Vala; Carlos Ribeiro; Luís Nero Alves; Carlos A. Fernandes; Rafael F. S. Caldeirinha (CSNDSP, 2022)