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: A 2.45 GHz Polar Vector Modulator Phase Shifter With Varactor Diode-Based Amplitude Control Capability for Energy-Efficient Systems
AUTHORS: Arruela, Raul; Varum, Tiago; Matos, Joao Nuno;
PUBLISHED: 2025, SOURCE: IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS
AUTHORS: Arruela, Raul; Varum, Tiago; Matos, Joao Nuno;
PUBLISHED: 2025, SOURCE: IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS
3
TITLE: A Ka-Band Modular Dual Switchable Circularly Polarized Phased Array Transmitter for LEO Satellite Communications
AUTHORS: Ramos, Amelia; Arruela, Raul; Lopes, Bernardo; Varum, Tiago; Correia, Ricardo; Matos, Joao N.;
PUBLISHED: 2025, SOURCE: IEEE ACCESS, VOLUME: 13
AUTHORS: Ramos, Amelia; Arruela, Raul; Lopes, Bernardo; Varum, Tiago; Correia, Ricardo; Matos, Joao N.;
PUBLISHED: 2025, SOURCE: IEEE ACCESS, VOLUME: 13
4
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
5
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
6
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
7
TITLE: Design of an Integrated K-Band SWL for Enhanced Bandwidth in Microstrip Circuits
AUTHORS: Lopes, Bernardo; Correia, Ricardo; 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: Lopes, Bernardo; Correia, Ricardo; 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
INDEXED IN: 
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WOS
Scopus WOS8
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
9
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
10
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
