João Nuno Pimentel da Silva Matos
AuthID: R-000-79G
1
TITLE: A Varactor-Based Balanced Biphase Variable Attenuator With a Novel Single Control Voltage Biasing Technique
AUTHORS: Arruela, Raul; Varum, Tiago; Matos, Joao Nuno;
PUBLISHED: 2025, SOURCE: IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
AUTHORS: Arruela, Raul; Varum, Tiago; Matos, Joao Nuno;
PUBLISHED: 2025, SOURCE: IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
2
TITLE: Concept and Design of a Multi-Polarization Reconfigurable Microstrip Antenna with Symmetrical Biasing Control
AUTHORS: Antunes, Filipa; Ramos, Amelia; Varum, Tiago; Matos, Joao N.;
PUBLISHED: 2024, SOURCE: SENSORS, VOLUME: 24, ISSUE: 8
AUTHORS: Antunes, Filipa; Ramos, Amelia; Varum, Tiago; Matos, Joao N.;
PUBLISHED: 2024, SOURCE: SENSORS, VOLUME: 24, ISSUE: 8
3
TITLE: Measurement Setup of a Ka-band Switchable Circularly Polarized Phased-Array Module for LEO Satellite Communications Systems
AUTHORS: Amelia Ramos; Tiago Varum; Joao Matos;
PUBLISHED: 2024, SOURCE: 25th International Conference on Electromagnetics in Advanced Applications, ICEAA 2024 in Proceedings of the International Conference on Electromagnetics in Advanced Applications, ICEAA, ISSUE: 2024
AUTHORS: Amelia Ramos; Tiago Varum; Joao Matos;
PUBLISHED: 2024, SOURCE: 25th International Conference on Electromagnetics in Advanced Applications, ICEAA 2024 in Proceedings of the International Conference on Electromagnetics in Advanced Applications, ICEAA, ISSUE: 2024
INDEXED IN: 
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Scopus CrossRef4
TITLE: A 3.6 GHz Polar Reflection-Type Vector Modulator Phase Shifter With Amplitude Control Capability
AUTHORS: Arruela, Raul; Varum, Tiago; Matos, Joao Nuno;
PUBLISHED: 2023, SOURCE: IEEE ACCESS, VOLUME: 11
AUTHORS: Arruela, Raul; Varum, Tiago; Matos, Joao Nuno;
PUBLISHED: 2023, SOURCE: IEEE ACCESS, VOLUME: 11
5
TITLE: Erratum: User terminal segments for low-earth orbit satellite constellations: Commercial systems and innovative research ideas (IEEE Microw. Mag. (2022) 23: 10 (47–58) DOI: 10.1109/MMM.2022.3188124)
AUTHORS: Nuno Borges Carvalho; Arnaldo R Oliveira; Joao Nuno Matos; Varum, T; Ricardo Correia;
PUBLISHED: 2023, SOURCE: IEEE Microwave Magazine, VOLUME: 24, ISSUE: 6
AUTHORS: Nuno Borges Carvalho; Arnaldo R Oliveira; Joao Nuno Matos; Varum, T; Ricardo Correia;
PUBLISHED: 2023, SOURCE: IEEE Microwave Magazine, VOLUME: 24, ISSUE: 6
INDEXED IN: Scopus
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ORCID
ORCID6
TITLE: Design and Optimization of a GaAs Millimeter-Wave On-Chip Patch Antenna
AUTHORS: Bernardo Lopes; Ricardo Correia; João Matos;
PUBLISHED: 2023, SOURCE: 2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023 in IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), VOLUME: 2023-July
AUTHORS: Bernardo Lopes; Ricardo Correia; João Matos;
PUBLISHED: 2023, SOURCE: 2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023 in IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), VOLUME: 2023-July
7
TITLE: Design of a Compact K<i>a</i>-Band Reflection-Type Vector Modulator Phase Shifter
AUTHORS: Arruela, Raul; Varum, Tiago; Matos, Joao Nuno;
PUBLISHED: 2023, SOURCE: IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS, VOLUME: 34, ISSUE: 1
AUTHORS: Arruela, Raul; Varum, Tiago; Matos, Joao Nuno;
PUBLISHED: 2023, SOURCE: IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS, VOLUME: 34, ISSUE: 1
8
TITLE: A Review on Mutual Coupling Reduction Techniques in mmWaves Structures and Massive MIMO Arrays
AUTHORS: Ramos, Amelia; Varum, Tiago; Matos, Joao N.;
PUBLISHED: 2023, SOURCE: IEEE ACCESS, VOLUME: 11
AUTHORS: Ramos, Amelia; Varum, Tiago; Matos, Joao N.;
PUBLISHED: 2023, SOURCE: IEEE ACCESS, VOLUME: 11
9
TITLE: Errata Full Text
AUTHORS: Nuno Borges Carvalho; Arnaldo S R Oliveira; Joao Nuno Matos; Varum, T; Ricardo Correia;
PUBLISHED: 2023, SOURCE: IEEE Microwave Magazine, VOLUME: 24, ISSUE: 6
AUTHORS: Nuno Borges Carvalho; Arnaldo S R Oliveira; Joao Nuno Matos; Varum, T; Ricardo Correia;
PUBLISHED: 2023, SOURCE: IEEE Microwave Magazine, VOLUME: 24, ISSUE: 6
10
TITLE: Design and Characterization of Novel Barium Strontium Titanate Thick Films for Sub-6 GHz RF Applications
AUTHORS: Bouca, P; Figueiredo, R; Wlodarkiewicz, A; Tkach, A; Matos, JN; Vilarinho, PM; de Carvalho, NB;
PUBLISHED: 2022, SOURCE: IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, VOLUME: 70, ISSUE: 1
AUTHORS: Bouca, P; Figueiredo, R; Wlodarkiewicz, A; Tkach, A; Matos, JN; Vilarinho, PM; de Carvalho, NB;
PUBLISHED: 2022, SOURCE: IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, VOLUME: 70, ISSUE: 1
