Tiago Miguel Valente Varum
AuthID: R-001-WCB
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: A Simple Technique to Maximize Isolation in Compact mmWaves Antenna Arrays
AUTHORS: Ramos, Amelia; Varum, Tiago; Matos, Joao N.;
PUBLISHED: 2024, SOURCE: 18th European Conference on Antennas and Propagation (EuCAP) in 2024 18TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION, EUCAP
AUTHORS: Ramos, Amelia; Varum, Tiago; Matos, Joao N.;
PUBLISHED: 2024, SOURCE: 18th European Conference on Antennas and Propagation (EuCAP) in 2024 18TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION, EUCAP
4
TITLE: Phase Shifting Device with a Single Symmetric Control for Application in Reconfigurable Antennas
AUTHORS: Antunes, Filipa; Ramos, Amelia; Varum, Tiago; Matos, Joao N.;
PUBLISHED: 2024, SOURCE: IEEE International Symposium on Antennas and Propagation / INC/USNC-URSI Radio Science Meeting (AP-S/INC-USNC-URSI) in 2024 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND INC/USNCURSI RADIO SCIENCE MEETING, AP-S/INC-USNC-URSI 2024
AUTHORS: Antunes, Filipa; Ramos, Amelia; Varum, Tiago; Matos, Joao N.;
PUBLISHED: 2024, SOURCE: IEEE International Symposium on Antennas and Propagation / INC/USNC-URSI Radio Science Meeting (AP-S/INC-USNC-URSI) in 2024 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND INC/USNCURSI RADIO SCIENCE MEETING, AP-S/INC-USNC-URSI 2024
5
TITLE: STRx -Transmission and Reception System with Electronical Orientation for LEO SatCom Constellations
AUTHORS: Vane, Tiago; Correia, Ricardo; Ramos, Amelia; Arruela, Raul; Lopes, Bernardo; Matos, Joao N.;
PUBLISHED: 2024, SOURCE: IEEE International Symposium on Antennas and Propagation / INC/USNC-URSI Radio Science Meeting (AP-S/INC-USNC-URSI) in 2024 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND INC/USNCURSI RADIO SCIENCE MEETING, AP-S/INC-USNC-URSI 2024
AUTHORS: Vane, Tiago; Correia, Ricardo; Ramos, Amelia; Arruela, Raul; Lopes, Bernardo; Matos, Joao N.;
PUBLISHED: 2024, SOURCE: IEEE International Symposium on Antennas and Propagation / INC/USNC-URSI Radio Science Meeting (AP-S/INC-USNC-URSI) in 2024 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND INC/USNCURSI RADIO SCIENCE MEETING, AP-S/INC-USNC-URSI 2024
6
TITLE: Mutual Coupling Reduction Techniques for mmWaves Antenna Arrays
AUTHORS: Ramos, Amelia; Varum, Tiago; Matos, Joao N.;
PUBLISHED: 2024, SOURCE: IEEE International Symposium on Antennas and Propagation / INC/USNC-URSI Radio Science Meeting (AP-S/INC-USNC-URSI) in 2024 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND INC/USNCURSI RADIO SCIENCE MEETING, AP-S/INC-USNC-URSI 2024
AUTHORS: Ramos, Amelia; Varum, Tiago; Matos, Joao N.;
PUBLISHED: 2024, SOURCE: IEEE International Symposium on Antennas and Propagation / INC/USNC-URSI Radio Science Meeting (AP-S/INC-USNC-URSI) in 2024 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND INC/USNCURSI RADIO SCIENCE MEETING, AP-S/INC-USNC-URSI 2024
7
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
8
TITLE: Multilayer K-Band 4x4 Planar Array for Satellite Communications
AUTHORS: Amelia Ramos; Tiago Varum; Joâo 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; Joâo 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
9
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
10
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
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