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Ricardo Figueiredo. Completed the Mestrado integrado in Mestrado Integrado Em Engenharia Electrónica e Telecomunicações in 2018 by Universidade de Aveiro and Doutoramento in Programa Doutoral em Engenharia Electrotécnica in 2023 by Universidade de Aveiro. Is Auxiliary Researcher in Instituto de Telecomunicações Campus Universitário de Santiago. Published 6 articles in journals. Has received 1 awards and/or honors. Participates and/or participated as Master Student Fellow in 1 project(s), Research Fellow in 1 project(s), Researcher in 1 project(s) and Scientific Initiation Fellow in 1 project(s). Works in the area(s) of Engineering and Technology with emphasis on Electrotechnical Engineering, Electronics and Informatics with emphasis on Telecommunications. In their professional activities interacted with 30 collaborator(s) co-authorship of scientific papers.
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Identification

Personal identification

Full name
Ricardo José Coelho de Figueiredo

Citation names

  • Figueiredo, Ricardo

Author identifiers

Ciência ID
6E15-2927-46AF
ORCID iD
0000-0001-7252-7467

Email addresses

  • ricardofigueiredo@av.it.pt (Professional)

Knowledge fields

  • Engineering and Technology - Electrotechnical Engineering, Electronics and Informatics - Telecommunications

Languages

Language Speaking Reading Writing Listening Peer-review
Portuguese Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
English Upper intermediate (B2) Upper intermediate (B2) Intermediate (B1) Upper intermediate (B2) Upper intermediate (B2)
Spanish; Castilian Intermediate (B1) Elementary (A2) Elementary (A2) Intermediate (B1) Elementary (A2)
Education
Degree Classification
2018 - 2023
Concluded
 Programa Doutoral em Engenharia Electrotécnica (Doutoramento)
Universidade de Aveiro, Portugal
"Linearity Metrics and Characterization Techniques for Nonlinear Dynamic RF Systems" (THESIS/DISSERTATION)
2013 - 2018
Concluded
 Mestrado Integrado Em Engenharia Electrónica e Telecomunicações (Mestrado integrado)
Universidade de Aveiro, Portugal
"Caracterização de Agregados de Antenas Não-Lineares para Aplicações 5G" (THESIS/DISSERTATION)
 17
Affiliation

Science

Category
Host institution 		Employer
2023/07/01 - Current Auxiliary Researcher (Research) Instituto de Telecomunicações Campus Universitário de Santiago, Portugal
Projects

Grant

Designation Funders
2018/12/17 - 2019/09/01 INFANTE (MOBILIZADOR)
POCI-01-0247-FEDER-024534
Master Student Fellow
Ongoing
2016/06/01 - 2018/05/31 ESTRATÉGICO - 2015
UID/EEA/50008/2013
Scientific Initiation Fellow
Instituto de Telecomunicações Campus Universitário de Santiago, Portugal
Concluded

Contract

Designation Funders
2023/07/01 - Current NEWSPACE
02/C05-i01.01/2022.PC644936537-00000046
Research Fellow
Ongoing
2018/09/01 - 2019/09/11 GANDALF
ESA ITT AO/1-9088/17/NL/HK
Researcher
Ongoing
Outputs

Publications

Conference paper
  1. Figueiredo, Ricardo; Carvalho, Nuno Borges. "NPR Assessment Without Multi-Tone Phase Randomization". 2023.
    10.1109/arftg57476.2023.10278734
  2. Pereira, Ricardo A. M.; Matos, Diogo; Figueiredo, Ricardo; Mendes, Bernardo; Chaves, Henrique; Ribeiro, Helena; Costa, Helder; et al. "Quasioptical Double-Lens Wireless Power Transfer System with Patch Array Antennas". 2023.
    10.1109/wptce56855.2023.10215639
  3. Figueiredo, Ricardo; Carvalho, Nuno. "Linearity Metrics and Signal Statistics - The Need for Standards". 2022.
    10.1109/ims37962.2022.9865648
  4. "Two-Tone Signals Harmonic Conditions for PAPR Variation". 2022.
    10.1109/inmmic54248.2022.9762178
  5. "Issues of Multi-Notch NPR Characterization Procedures". 2021.
    10.1109/arftg52261.2021.9639973
  6. "Barium Strontium Titanate Thick Films for Tunable Software-Defined Radio Front-Ends". 2021.
    10.1109/ims19712.2021.9574935
  7. Figueiredo, Ricardo. "Swept Notch NPR for Linearity Assessment of Systems Presenting Long-Term Memory Effects". 2020.
    10.1109/ARFTG47271.2020.9241380
  8. Figueiredo, Ricardo. "Co-Channel Radiation Pattern Distortion in Transmitting 5G Antenna Arrays due to 3rd Order Intermodulation Products". 2019.
    10.23919/eumc.2019.8910766
  9. Figueiredo, Ricardo. "Modelling and Design methods for mmWave Phased Arrays". Paper presented in XII Iberian Meeting on Computational Eletromagnetics, Coimbra, 2018.
  10. Figueiredo, Ricardo. "Design of Narrow Band Single-Layer Chipless RFID Tag". 2018.
    10.23919/ursi-at-rasc.2018.8471475
  11. Figueiredo, Ricardo. "A Beginner’s survey of the technologies to solve 5G, understanding requirements for next generation wireless communications hardware". Paper presented in 11º Congresso do Comité Portugês da URSI ”Novas tecnologias para a mobilidade”, Lisboa, 2017.
  12. Figueiredo, Ricardo. "Sinusoidal WPT Signal Interferer, a Communications Approach". Paper presented in 32nd URSI GASS, Montreal, Montreal, 2017.
  13. Figueiredo, Ricardo. "Study of Interference Phenomenon Between WPT and WIFI 802.11a Signals". Paper presented in 10º Congresso do Comité Portugês da URSI ” Comunicações em cenários de segurança e emergência”, Lisboa, 2016.
Journal article
  1. Nuno Borges Carvalho. "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 34 6 (2024): 765-768. http://www.it.pt/Publications/PaperJournal/34269.
    10.1109/LMWT.2024.3384306
  2. Niotaki, Kyriaki; Carvalho, Nuno Borges; Georgiadis, Apostolos; Gu, Xiaoqiang; Hemour, Simon; Wu, Ke; Matos, Diogo; et al. "RF Energy Harvesting and Wireless Power Transfer for Energy Autonomous Wireless Devices and RFIDs". IEEE Journal of Microwaves 3 2 (2023): 763-782. http://dx.doi.org/10.1109/jmw.2023.3255581.
    10.1109/jmw.2023.3255581
  3. "Design and Characterization of Novel Barium Strontium Titanate Thick Films for Sub-6 GHz RF Applications". IEEE Transactions on Microwave Theory and Techniques 70 1 (2022): 611-621. http://dx.doi.org/10.1109/tmtt.2021.3125030.
    10.1109/tmtt.2021.3125030
  4. "Reconfigurable Three Functional Dimension Single and Dual-Band SDR Front-Ends Using Thin Film BST-Based Varactors". IEEE Access 10 (2022): 4125-4136. http://dx.doi.org/10.1109/access.2022.3140686.
    10.1109/access.2022.3140686
  5. "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 (2022): 1-4. http://dx.doi.org/10.1109/lmwc.2022.3160227.
    10.1109/lmwc.2022.3160227
  6. "Nonlinear Dynamic RF System Characterization: Envelope Intermodulation Distortion Profiles—A Noise Power Ratio-Based Approach". IEEE Transactions on Microwave Theory and Techniques 69 9 (2021): 4256-4271. http://dx.doi.org/10.1109/tmtt.2021.3092398.
    10.1109/tmtt.2021.3092398
  7. Figueiredo, Ricardo. "Design of Narrow Band Single-Layer Chipless RFID Tag". URSI Radio Science Bulletin (2018):
    10.23919/URSIRSB.2018.8572497
Thesis / Dissertation
  1. Figueiredo, Ricardo. "Nonlinear Characterization of Antenna Arrays for 5G Applications". Master, 2018.
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2023/09/18 Replacing 3GPP signals by multi-tones: is it a bad idea? European Microwave Week
(Berlin, Germany)
2023/09 Multi-Tone Linearity Characterization Techniques Capable of Predicting Performance in Real Operation MOMA Workshop
2023/06/12 State-of-the- Art PA Design and Validation Requires a Signal Statistics Analysis and Proper Linearity Metrics IEEE MTT-S International Microwave Symposium
(San Diego, United States)
2016/09/15 Aquatic Drone for Environmental Metrology Techdays Aveiro

Ad Hoc journal article review

Journal title (ISSN) Publisher
2024 - Current IEEE Transactions on Circuits and Systems I: Regular Papers
2022 - Current IEEE Transactions on Microwave Theory and Techniques
2019 - Current IEEE Access IEEE

Association member

Society Organization name Role
2019 - Current IEEE
2019 - Current IEEE MTT-S
2019 - Current IEEE Young Professionals

Committee member

Activity description
Role 		Institution / Organization
2024 - Current URSI Commission A Early Career Representative
2024 - Current URSI Early Career Representative Editor
2021 - Current IEEE MTT-S TC-3 Affiliate Member

Conference scientific committee

Conference name Conference host
2024 - Current IEEE MTT-S International Microwave Symposium
2024 - Current ATRASC 2024 4th URSI Atlantic Radio Science Meeting
2023 - Current 2023 IEEE Wireless Power Technologies Conference and Expo
2022 - Current IEEE MTT-S International Microwave Symposium

Course / Discipline taught

Academic session Degree Subject (Type) Institution / Organization
2020/02 - 2020/07 Propagação e Radiação de Ondas Eletromagnéticas (Mestrado)

Mentoring / Tutoring

Topic Student name
2017/09 - 2018/07 University of Aveiro Mentor in the Tutoring Programme 7 university students
Distinctions

Award

2021 3rd place at 2021 IEEE MTT-S Microwave Week 3MT Competition
IEEE Microwave Theory and Techniques Society, United States