Ricardo José Coelho de Figueiredo

Ricardo Figueiredo

Academic position:	Researcher
Joining date:	01-09-2018
Roles in IT:	Researcher
Thematic Line:	Wireless Technologies
Group:	Radio Systems – Av

Email: Send Email
Address: IT – Aveiro
Instituto de Telecomunicações
Campus Universitário de Santiago
P-3810-193 AVEIRO - PORTUGAL
Tel: +351 234 377 900
Fax: +351 234 377 901

http://www.cienciavitae.pt/6E15-2927-46AF

https://www.orcid.org/0000-0001-7252-7467

RESEARCHER ID

23-09-2021

Ricardo Figueiredo wins 3rd place in Microwave Week Atlanta 2021's Three Minute Thesis (3MT)

Ricardo Figueiredo wins 3rd place in Microwave Week Atlanta 2021's Three Minute Thesis (3MT), USA.

Bio

Ricardo Figueiredo is an researcher at Instituto de Telecomumicações, Aveiro in the scope of project NewSpace.

His research focus on nonlinear characterization of microwave systems.

Mr. Figueiredo is an affiliate member of the Microwave Measurements Committee of the IEEE Microwave Theory and Technology, and the Early Career Representative for Electromagnetic Metrology, Electromagnetic Measurements and Standards of the International Union of Radio Science.

Scientific Achievements

Degrees

PhD, Universidade de Aveiro, 05-05-2023
MSc, Universidade de Aveiro, 18-10-2018

Affiliations

IEEE - Institute of Electrical and Electronics Engineers, 01-01-2019, Member

Leadership Positions

2Leadership Positions

Expertise Topics

Nonlinear Microwave System Characterization

Publications

7Papers in Journals

Early Access

A. Piacibello, RJCF Figueiredo, R. Quaglia, R. Giofre, P. Colantonio, N.B.C. Carvalho, V. Camarchia, Design and Extensive NPR Characterization of a Highly Linear SatCom GaN MMIC Doherty PA, IEEE Transactions on Microwave Theory and Techniques, Vol., No., pp. 1 - 11, 2024 | BibTex

Published

N.B.C. Carvalho, RJCF Figueiredo, High-Gain and High-Linearity MMIC GaN Doherty Power Amplifier With 3-GHz Bandwidth for Ka-Band Satellite Communications, IEEE Microwave and Wireless Technology Letters, Vol. 34, No. 6, pp. 765 - 768, June, 2024 | BibTex
K. Niotaki, N.B.C. Carvalho, A. G. Georgiadis, X. Gu, S. Hemour, K. Wu, D. Matos, D. Belo, R. A. M. Pereira, RJCF Figueiredo, H. C. Chaves, B. Mendes, RF Energy Harvesting and Wireless Power Transfer for Energy Autonomous Wireless Devices and RFIDs, ieee journal of microwaves, Vol. 3, No. 2, pp. 763 - 782, April, 2023 | BibTex
A. Piacibello, R. Giofre, R. Quaglia, RJCF Figueiredo, N.B.C. Carvalho, P. Colantonio, V. Valenta, V. Camarchia, A 5-W GaN Doherty Amplifier for Ka-Band Satellite Downlink With 4-GHz Bandwidth and 17-dB NPR, IEEE Microwave and Wireless Components Letters, Vol. 32, No. 8, pp. 964 - 967, August, 2022 | BibTex
P. Bouça, RJCF Figueiredo, A. wlodarkiewicz, A. Tkach, J. N. Matos, P. V. Vilarinho, N.B.C. Carvalho, Design and Characterization of Novel Barium Strontium Titanate Thick Films for Sub-6 GHz RF Applications, IEEE Transactions on Microwave Theory and Techniques, Vol. 1, No. 1, pp. 1 - 1, November, 2021,
| Abstract | Full text (PDF 4 MBs) | BibTex
RJCF Figueiredo, N.B.C. Carvalho, A. Piacibello, V. Camarchia, Nonlinear Dynamic RF System Characterization: Envelope Intermodulation Distortion Profiles—A Noise Power Ratio-Based Approach, IEEE Transactions on Microwave Theory and Techniques, Vol. 69, No. 9, pp. 4256 - 4271, September, 2021 | Full text (PDF 3 MBs) | BibTex
P. Bouça, RJCF Figueiredo, J. N. Matos, P. V. Vilarinho, N.B.C. Carvalho, Reconfigurable Three Functional Dimension Single and Dual-Band SDR Front-Ends Using Thin Film BST-Based Varactors, IEEE Access, Vol. 10, No., pp. 4125 - 4136, 2022,
| Abstract | Full text (PDF 1 MB) | BibTex

13Papers in Conferences

A. S. Santos, RJCF Figueiredo, N.B.C. Carvalho, Analysis of Interference in Communication Signal for Space-Based Solar Power, 18.º Congresso do Comité Português da URSI, Lisboa, Portugal, November, 2024 | BibTex
RJCF Figueiredo, Linearity Measurements of Wireless Communication Systems: Past and Future, URSI Atlantic Radio Scinece Conference - URSI AT-RASC, Gran Canaria, Spain, May, 2024 | BibTex
RJCF Figueiredo, S.C Chaudhary, M.V.B. Vanden Bossche, M R Rousstia, MM Marchetti, N.B.C. Carvalho, Discussion on System-Level Wideband Active Load-Pull Linearity Measurements: How to Reach Broadband Design Techniques?, 102nd ARFTG Microwave Measurement Conference, San Antonio, Texas, United States, January, 2024 | BibTex
RJCF Figueiredo, N.B.C. Carvalho, NPR Assessment Without Multi-Tone Phase Randomization, ARFTG Microwave Measurement Conference (ARFTG), San Diego, United States, June, 2023 | BibTex
R. A. M. Pereira, D. Matos, RJCF Figueiredo, B. Mendes, H. C. Chaves, H. Ribeiro, H. Costa, D. Belo, J. M. M. Oliveira, A. Oliveira, N.B.C. Carvalho, Quasioptical Double-Lens Wireless Power Transfer System with Patch Array Antennas, IEEE Wireless Power Transfer Conf. - WPTC, San Diego, United States, June, 2023 | BibTex
RJCF Figueiredo, N.B.C. Carvalho, Two-Tone Signals Harmonic Conditions for PAPR Variation, International Workshop on Integrated Nonlinear Microwave and Millimeter-Wave Circuits - INMMIC, Cardiff, United Kingdom, April, 2022 | BibTex
RJCF Figueiredo, N.B.C. Carvalho, Issues of Multi-Notch NPR Characterization Procedures, ARFTG Conf., Atlanta, United States, June, 2021 | BibTex
P. Bouça, RJCF Figueiredo, A. wlodarkiewicz, A. Tkach, J. N. Matos, P. V. Vilarinho, N.B.C. Carvalho, Barium Strontium Titanate Thick Films for Tunable Software-Defined Radio Front-Ends, IEEE International Microwave Symposium IMS, Atlanta, United States, June, 2021,
| Abstract | BibTex
P. Bouça, RJCF Figueiredo, J. N. Matos, P. V. Vilarinho, N.B.C. Carvalho, Intermodulation Distortion Analysis of Microwave Tunable Filters Using Barium Strontium Titanate Capacitor and Varactor Diode, European Microwave Integrated Circuits - EuMIC, Utrecht, Netherlands, January, 2021 | BibTex
RJCF Figueiredo, A. Piacibello, V. Camarchia, N.B.C. Carvalho, Swept Notch NPR for Linearity Assessment of Systems Presenting Long-Term Memory Effects, ARFTG Conf., Los Angles, United States, August, 2020 | Full text (PDF 313 KBs) | BibTex
RJCF Figueiredo, N.B.C. Carvalho, Co-Channel Radiation Pattern Distortion in Transmitting 5G Antenna Arrays due to 3rd Order Intermodulation Products, European Microwave Conf. - EMC, Paris, France, October, 2019 | Full text (PDF 1 MB) | BibTex
A. Piacibello, RJCF Figueiredo, V. Camarchia, M. Pirola, N.B.C. Carvalho, Linearity-aware design of Doherty power amplifiers, IEEE MTT-S International Microwave Workshop Series on 5G Hardware and System Technologies IMWS-5G, Atalanta, United States, August, 2019 | Full text (PDF 1 MB) | BibTex
RJCF Figueiredo, J. Mendes, S. S. Pereira, J. Gonçalves, N.B.C. Carvalho, Design of Narrow Band Single-Layer Chipless RFID Tag, URSI Atlantic Radio Scinece Conference - URSI AT-RASC, Gran Canaria, Spain, May, 2018 | Full text (PDF 1 MB) | BibTex

Projects

Currently running projects2

Acronym	Name	Funding Agency	Start date	Ending date
Gestão CTI-IT	Centro de Tecnologia e Interface IT - Instituto de Telecomunicações	Next generation EU - Plano de Recuperação e Resiliência (PRR) - Componente 16 “Empresas 4.0” - TD-C16-i03 “Catalisação da Transformação Digital das Empresas”	01-01-2023	31-12-2025
NewSpacePortugal	New Space Portugal	IAPMEI	01-10-2021	31-12-2025

Closed Projects1

Acronym	Name	Funding Agency	Start date	Ending date
SST 2020	Space Surveillance and Tracking 2020	EU/H2020, Ministério da Defesa	26-05-2020	30-06-2023

Other Scientific Achievements

1Awards

RJCF Figueiredo, IEEE MTT-S IMS 3MT, 3rd Place in competition consisting of a three minute oral presentation of scientific work for non specialists., 01-06-2021

3Short Courses and Seminars

RJCF Figueiredo, Multi-Tone Linearity Characterization Techniques Capable of Predicting Performance in Real Operation, United States, 09-2023
RJCF Figueiredo, Replacing 3GPP signals by multi-tones: Is it a bad idea?, Germany, Berlin, 09-2023
S. Chaudhary, RJCF Figueiredo, State-of-the- Art PA Design and Validation Requires a Signal Statistics Analysis and Proper Linearity Metrics, United States, San Diego, 06-2023

Other Contributions

2Refereeing Journals

IEEE Access
2023, 2 review(s); 2022, 4 review(s); 2021, 2 review(s); 2020, 1 review(s); 2019, 1 review(s);
IEEE Transactions on Microwave Theory and Techniques
2023, 5 review(s); 2022, 2 review(s);

2Refereeing Conferences

IEEE International Microwave Symposium IMS
2024, 1 review(s); 2022, 1 review(s);
IEEE Wireless Power Transfer Conf. - WPTC
2023, 1 review(s);

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