Raul Miguel Marques Arruela

Raul Arruela

Former IT academic position:	External Author
Joining/Leaving IT dates:	01-08-2016 / 01-03-2026
Roles held in IT:	PhD Student
Former IT thematic line:	Wireless Technologies
Group:	Radio Systems – Av

https://www.orcid.org/0000-0003-1261-8185

http://www.cienciavitae.pt/A-111-AFCE-C763

By Authors | By Institutions

Scientific Achievements

Publications

7Papers in Journals

R. Arruela, T. Varum, J. N. Matos, A Varactor-Based Balanced Biphase Variable Attenuator With a Novel Single Control Voltage Biasing Technique, IEEE Transactions on Microwave Theory and Techniques, Vol. 73, No. 8, pp. 5177 - 5191, August, 2025,
| Abstract | BibTex
R. Arruela, T. Varum, J. N. Matos, A 2.45 GHz Polar Vector Modulator Phase Shifter With Varactor Diode-Based Amplitude Control Capability for Energy-Efficient Systems, IEEE Microwave and Wireless Technology Letters, Vol. 35, No. 8, pp. 1150 - 1153, August, 2025,
| Abstract | BibTex
A. Ramos, R. Arruela, B Lopes, T. Varum, R. Correia, J. N. Matos, A Ka-Band Modular Dual Switchable Circularly Polarized Phased Array Transmitter for LEO Satellite Communications, IEEE Access, Vol. 13, No., pp. 135515 - 135526, 2025,
| Abstract | Full text (PDF 2 MBs) | BibTex
R. Arruela, T. Varum, J. N. Matos, Design of a Compact Ka-Band Reflection-Type Vector Modulator Phase Shifter, IEEE Microwave and Wireless Technology Letters, Vol. 34, No. 1, pp. 53 - 56, January, 2024,
| Abstract | BibTex
R. Arruela, T. Varum, J. N. Matos, A 3.6 GHz Polar Reflection-Type Vector Modulator Phase Shifter With Amplitude Control Capability, IEEE Access, Vol. 11, No. 1, pp. 10687 - 10695, January, 2023,
| Abstract | Full text (PDF 3 MBs) | BibTex
R. Arruela, D. MARINHO, T. Varum, J. N. Matos, Design and Characterization of an IQ Reflection-Type Vector Modulator for Ka-Band Using PIN Diodes, IEEE Access, Vol. 8, No., pp. 212855 - 212864, November, 2020,
| Abstract | Full text (PDF 2 MBs) | BibTex
D. MARINHO, R. Arruela, T. Varum, J. N. Matos, Software-Defined Radio Beamforming System for 5G/Radar Applications, Applied Sciences, Vol. 10, No. 20, pp. 7187 - 7187, October, 2020,
| Abstract | Full text (PDF 5 MBs) | BibTex

3Papers in Conferences

T. Varum, R. Correia, A. Ramos, R. Arruela, B Lopes, J. N. Matos, STRx –Transmission and Reception System with Electronical Orientation for LEO SatCom Constellations, IEEE International Symp. on Antennas and Propagation - IEEE AP-S/USNC-URSI, Florence, Italy, July, 2024 | BibTex
R. Arruela, D. MARINHO, T. Varum, J. N. Matos, A Ka-band Frontend for mmWave MIMO and Beamforming Applications, International Microwave and Optoelectronics Conf. - IMOC, Aveiro, Portugal, November, 2019 | Full text (PDF 641 KBs) | BibTex
D. MARINHO, R. Arruela, T. Varum, J. N. Matos, Application of Digital Beamforming to Software Defined Radio 5G/Radar Systems, International Microwave and Optoelectronics Conf. - IMOC, Aveiro, Portugal, November, 2019 | Full text (PDF 1 MB) | BibTex

Projects

Closed Projects1

Acronym	Name	Funding Agency	Start date	Ending date
STRx	SI I&DT Copromoção Nr. 033623 - STRx - Sistema de transmissão e receção de sinal de orientação eletrónica para a próxima geração de constelações de satélites	P2020	01-05-2019	31-12-2022

Other Contributions

1Refereeing Journals

IEEE Transactions on Microwave Theory and Techniques
2025, 1 review(s);