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Luis C. Nunes was born in Guarda, Portugal, in October 1986. He received his M.Sc and Ph.D. in Electrical Engineering from the Universidade de Aveiro, Portugal, in 2010 and 2015, respectively. From 2016 to 2017, he was an RF design engineer at Huawei Technologies, Sweden. He is currently a Researcher with the Institute of Telecommunications – Aveiro, Portugal. His main research interests include active device modeling, nonlinear distortion analysis, and the design of microwave circuits, especially high-efficiency and linear power amplifiers. Luis Nunes received the 2022 EuMIC Best Paper Award and the 2024 Microwave Prize. Luis Nunes is a member of the IEEE Microwave Theory and Techniques Society (IEEE MTT-S) and the IEEE Electron Devices Society.
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Identification

Personal identification

Full name
Luís Carlos Cótimos Nunes

Citation names

  • Nunes, Luís

Author identifiers

Ciência ID
7F1F-73BF-F4C2
ORCID iD
0000-0003-2403-7126

Knowledge fields

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

Languages

Language Speaking Reading Writing Listening Peer-review
English Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
Education
Degree Classification
2011 - 2015
Concluded
 Programa Doutoral em Engenharia Eletrotécnica (Doutoramento)
Major in Engenharia Electronica - Telecomunicações
Universidade de Aveiro, Portugal
"Nonlinear Distortion Generation Mechanisms in Doherty Amplifiers" (THESIS/DISSERTATION)
 n/a
2005 - 2010
Concluded
 Mestrado Integrado em Engenharia Electrónica e Telecomunicações (Mestrado integrado)
Major in Engenharia Electrónica e Telecomunicações
Universidade de Aveiro, Portugal
"Class F Power Amplifier for Polar Transmitters " (THESIS/DISSERTATION)
 15
Affiliation

Science

Category
Host institution		 Employer
2017/07/01 - Current Research Assistant (Research) Instituto de Telecomunicações Campus Universitário de Santiago, Portugal
2011/01/01 - 2011/12/31 Researcher (Research) Instituto de Telecomunicações Campus Universitário de Santiago, Portugal

Teaching in Higher Education

Category
Host institution		 Employer
2018 - 2019 Assistant (University Teacher) Universidade de Aveiro, Portugal
2012/01/01 - 2012/06/01 Tutor (University Teacher) Universidade de Aveiro, Portugal

Other Careers

Category
Host institution		 Employer
2016/01/07 - 2017/06/30 Carreiras / Categorias Subsistentes Huawei Sweden Technologies AB, Sweden
Projects

Grant

Designation Funders
2010/12/01 - 2011/12/31 Digital_PAs - Digital RF Power Amplifiers for Wireless Applications
info:eu-repo/grantAgreement/FCT/3599-PPCDT/65988/PT
Research Fellow
Instituto de Telecomunicações Campus Universitário de Santiago, Portugal
 Fundação para a Ciência e a Tecnologia
Concluded

Contract

Designation Funders
2020/10/01 - Current Joint Lab RF Communication Technologies
JointLab
Principal investigator
Instituto de Telecomunicações Campus Universitário de Santiago, Portugal
 Huawei Sweden Technologies AB
Ongoing
2023/01/01 - 2024/12/29 Energy Efficient Power Amplifier (EPA)
0000
Principal investigator
Huawei Sweden Technologies AB, Sweden
Ongoing
2022/02/01 - 2023/10/01 PA Design for Multi-Input Transmitter for Wireless Radio (PA-MISO)
0000
Principal investigator
Qorvo Inc, United States
2022/01/01 - 2023/09/30 Digital Signal Generation for Multi-Input Transmitter for Wireless Radio (DSP-MISO)
0000
Researcher
Xilinx Inc, United States
2020/01/01 - 2021/12/31 GaN Linearity
GaNLin
Researcher
2019/06/01 - 2020/09/30 Wideband Power Amplifier Design Methodologies
XiongJi
Principal investigator
Ongoing
2020/01/01 - 2020/01/01 Linearization of GaN HEMT Based Power Amplifiers
GANLIN-XILINX
Researcher
2018 - 2019 Modeling of Power Amplifier Devices
TUPP
Principal investigator
Instituto de Telecomunicações Campus Universitário de Santiago, Portugal
 Huawei Sweden Technologies AB
Ongoing
2017 - 2019 Highly Linear Power Amplifier for Massive MIMO
HLPAMIMO
Researcher
Instituto de Telecomunicações Campus Universitário de Santiago, Portugal
 Ampleon
Ongoing
2017 - 2018 Rooster - Solutions to Optimize Efficiency-Linearity in High Power Multi-Band MISO Power Amplifiers
Rooster
Researcher
Instituto de Telecomunicações Campus Universitário de Santiago, Portugal
 Huawei Sweden Technologies AB
Concluded
2012 - 2015 Doherty Power Amplifier Modeling
DHPAM
Other
Instituto de Telecomunicações Campus Universitário de Santiago, Portugal
 Huawei Sweden Technologies AB
Concluded
Outputs

Publications

Book
  1. José Carlos Pedro; David E. Root; Jianjun Xu; Nunes, Luís. Nonlinear Circuit Simulation and Modeling: Fundamentals for Microwave Design. Cambridge, United Kingdom: Cambridge University Press. 2018.
    Published • 10.1017/9781316492963
Conference paper
  1. Luís Cótimos Nunes; Filipe Miguel Barradas; José Carlos Pedro. "Self-Conduction of the Auxiliar Amplifiers in Load-Modulation based PAs". 2023.
    10.1109/inmmic57329.2023.10321767
  2. H. Sánchez-Martín; I. Íñiguez-de-la-Torre; J. Mateos; S. Pérez; T. González; Luís C. Nunes; José C. Pedro. "Characterization of trap-related transient-current effects in AlGaN/GaN nanochannels". 2023.
    10.1109/inmmic57329.2023.10321782
  3. Luís Cótimos Nunes; José Carlos Pedro. "From 2D TCAD Model to a Physical 1D Equivalent Circuit Model for a GaN HEMT". 2023.
    10.1109/inmmic57329.2023.10321778
  4. Filipe Miguel Esturrenho Barradas; Luis Cótimos Nunes; José Carlos Pedro. "Estimation and Sensitivity of Average Efficiency of RF PAs under Modulated Signal Stimulus". 2023.
    10.1109/inmmic57329.2023.10321779
  5. João Louro; Filipe Miguel Barradas; Luís Cótimos Nunes; José Carlos Pedro. "Cardiff Behavioral Model from Passive Load-Pull while Enforcing S-Parameters". 2023.
    10.1109/inmmic57329.2023.10321797
  6. Ahmad Shafiei Alavijeh; João L. Gomes; Luís Cótimos Nunes; José Carlos Pedro. "A New Vision of the Role Played by Buffer Dopants on the Operation of AlGaN/GaN HEMTs". 2023.
    10.1109/inmmic57329.2023.10321794
  7. Inês Cristina Lopes; Luís Cótimos Nunes; Pedro Miguel Cabral; José Carlos Pedro. "Dual-Input Mixed-Mode Doherty-Outphasing Power Amplifier". 2023.
    10.1109/inmmic57329.2023.10321802
  8. Gabriel Santos; Cristiano Gonçalves; Diogo Barros; Francesc Purroy; Luis C. Nunes; Filipe Barradas; Pedro M. Cabral. "An Automatic Calibration Method for Vector Receiver Load Pull Systems". 2023.
    10.1109/inmmic57329.2023.10321769
  9. Catarina Belchior; Luís C. Nunes; Pedro M. Cabral; José C. Pedro. "Towards the Automated RF Power Amplifier Design". 2023.
    10.1109/smacd58065.2023.10192148
  10. João Louro; Luis Nunes; Filipe Barradas; José Carlos Pedro. "A Frequency-Domain Neural-Network Model for High-Power RF Transistors". 2023.
    10.1109/smacd58065.2023.10192169
  11. Y. Mary Asha Latha; Luís C. Nunes; Filipe M. Barradas; José C. Pedro. "The Role of Nonlinear C<sub>out</sub> in Continuous Class F PAs". 2023.
    10.1109/ims37964.2023.10188019
  12. Inês C. Lopes; Luís C. Nunes; Pedro M. Cabral; José C. Pedro. "An Improved Extraction Method for the Trapping Time Constants in GaN HEMTs". 2023.
    10.1109/ims37964.2023.10188191
  13. Nunes, L.C.; Gomes, J.L.; Barradas, F.M.; Pedro, J.C.. "A Simple Thermally Activated Trapping Model for AlGaN/GaN HEMTs". 2022.
    10.23919/EuMIC54520.2022.9923433
  14. Gomes, J.L.; Nunes, L.C.; Barradas, F.M.; Pedro, J.C.. "A Qualitative Explanation of the AlGaN/GaN HEMT Nonlinear Intrinsic Capacitances". 2022.
    10.1109/INMMiC54248.2022.9762169
  15. Gomes, J.L.; Nunes, L.C.; Pedro, J.C.. "On the Drain-to-Source Capacitance of Microwave FETs in Triode Region". 2022.
    10.1109/IMS37962.2022.9865343
  16. Belchior, C.; Nunes, L.C.; Cabral, P.M.; Pedro, J.C.. "Output Impedance Profile Selection in Sequential LMBAs using an Automatic Method". 2022.
    10.1109/INMMiC54248.2022.9762139
  17. Pedro, J.; Gomes, J.; Nunes, L.. "Electro-Thermal and Trapping Characterization of AlGaN/GaN RF Power HEMTs". 2021.
    10.1109/BCICTS50416.2021.9682206
  18. Pedro, J.; Tomé, P.; Cunha, T.; Barradas, F.; Nunes, L.; Cabral, P.; Gomes, J.. "A Review of Memory Effects in AlGaN/GaN HEMT Based RF PAs". 2021.
    10.1109/IWS52775.2021.9499373
  19. Goncalves, C.F.; Barradas, F.M.; Nunes, L.C.; Cabral, P.M.; Pedro, J.C.. "Load Insensitive Doherty PA Using Load Dependent Supply Voltages". 2021.
    10.1109/IMS19712.2021.9575009
  20. Gomes, J.L.; Nunes, L.C.; Pedro, J.C.. "Transient pulsed S-Parameters for trapping characterization". 2020.
    10.1109/INMMiC46721.2020.9160297
  21. Gomes, J.L.; Nunes, L.C.; Pedro, J.C.. "Explaining the different time constants extracted from low frequency Y<sub>22</sub>and I<sub>DS</sub>-DLTS on GaN HEMTs". 2020.
    10.1109/IMS30576.2020.9223822
  22. Goncalves, C.F.; Barradas, F.M.; Nunes, L.C.; Cabral, P.M.; Pedro, J.C.. "Optimal supply voltage for PA output power correction under load varying scenarios". 2020.
    10.1109/IMS30576.2020.9223898
  23. Tome, P.M.; Barradas, F.M.; Nunes, L.C.; Gomes, J.L.; Cunha, T.R.; Pedro, J.C.. "A transient two-tone RF method for the characterization of electron trapping capture and emission dynamics in GaN HEMTs". 2020.
    10.1109/IMS30576.2020.9223802
  24. Diogo Ribeiro Barros; Nunes, Luís; Pedro Miguel Cabral; Jose Carlos Pedro. "Impact of the Input Baseband Impedance on the Instantaneous Bandwidth of Wideband Power Amplifiers". Paper presented in IEEE International Microwave Symposium 2019, Boston, 2019.
    Accepted • 10.1109/mwsym.2019.8700872
  25. Nunes, Luís; Filipe Barradas; Diogo Ribeiro Barros; Pedro Miguel Cabral. "Current Mode Outphasing Power Amplifier". Paper presented in IEEE International Microwave Symposium 2019, Boston, 2019.
    Accepted • 10.1109/mwsym.2019.8701026
  26. Gomes, J.L.; Nunes, L.C.; Gonçalves, C.F.; Pedro, J.C.. "Deep-Level Traps' Capture Time Constant and its Impact on Nonlinear GaN HEMT Modeling". 2018.
    10.1109/INMMIC.2018.8429992
  27. Nunes, L.C.; Barros, D.R.; Cabral, P.M.; Pedro, J.C.. "Efficiency Degradation in Wideband Power Amplifiers". 2018.
    10.1109/MWSYM.2018.8439692
  28. Nunes, L.C.; Gomes, J.L.; Cabral, P.M.; Pedro, J.C.. "A Simple Method to Extract Trapping Time Constants of GaN HEMTs". 2018.
    10.1109/MWSYM.2018.8439669
  29. Goncalves, C.F.; Nunes, L.C.; Cabral, P.M.; Pedro, J.C.. "Conservative current and charge data extracted from pulsed S-parameter measurements for GaN HEMT PA design". 2017.
    10.1109/MWSYM.2017.8058778
  30. Nunes, L.C.; Cabral, P.M.; Pedro, J.C.. "AM/PM distortion physical origins in Si LDMOS Doherty power amplifiers". 2016.
    10.1109/MWSYM.2016.7539986
  31. Nunes, L.C.; Cabral, P.M.; Pedro, J.C.. "Impact of trapping effects on GaN HEMT based Doherty PA load-pull ratios". 2015.
    10.1109/INMMIC.2015.7330369
  32. Nunes, L.C.; Gomes, J.M.; Cabral, P.M.; Pedro, J.C.. "A new nonlinear model extraction methodology for GaN HEMTs subject to trapping effects". 2015.
    10.1109/MWSYM.2015.7166977
  33. Pedro, J.C.; Nunes, L.C.. "Efficiency dependence on the load-pull ratio of a Doherty PA". 2014.
    10.1109/MWSYM.2014.6848533
  34. Nunes, L.C.; Cabral, P.M.; Pedro, J.C.. "AM/PM distortion in GaN Doherty power amplifiers". 2014.
    10.1109/MWSYM.2014.6848333
  35. Nunes, L.C.; Cabral, P.M.; Pedro, J.C.. "Study of the GaN HEMT Doherty Power Amplifier distortion". 2014.
    10.1109/INMMIC.2014.6815112
  36. Pedro, J.C.; Nunes, L.C.. "A single-ended power amplifier behavioral model for AM/AM and AM/PM predictions". 2014.
    10.1109/PAWR.2014.6825731
  37. Cunha, T.R.; Cabral, P.M.; Nunes, L.C.. "Characterizing power amplifier static AM/PM with spectrum analyzer measurements". 2014.
    10.1109/SSD.2014.6808883
  38. Pedro, J.C.; Nunes, L.C.; Cabral, P.M.. "Soft compression and the origins of nonlinear behavior of GaN HEMTs". 2014.
    10.1109/EuMIC.2014.6997865
  39. Pedro, J.C.; Nunes, L.C.; Lavrador, P.M.. "A new large-signal intermodulation and spurious analysis tool". 2013.
    10.1109/MWSYM.2013.6697768
  40. Nunes, L.C.; Cabral, P.M.; Pedro, J.C.. "A physical model of power amplifiers AM/AM and AM/PM distortions and their internal relationship". 2013.
    10.1109/MWSYM.2013.6697497
Journal article
  1. João Louro; Luís C. Nunes; Filipe M. Barradas; Telmo R. Cunha; Pedro M. Cabral; José C. Pedro. "A Hammerstein-Like Broadband ANN-Based Transistor Behavioral Model". IEEE Transactions on Microwave Theory and Techniques (2024): https://doi.org/10.1109/TMTT.2023.3330403.
    10.1109/TMTT.2023.3330403
  2. Y. Mary Asha Latha; Luís C. Nunes; Filipe M. Barradas; José C. Pedro. "Theory and Design of Doherty Power Amplifier With Active Harmonic Injection". IEEE Access (2024): https://doi.org/10.1109/ACCESS.2024.3377901.
    10.1109/ACCESS.2024.3377901
  3. Benito González; Luís C. Nunes; Jo ao L. Gomes; Joana C. Mendes; Jose L. Jimenez. "A Simple Method to Extract the Thermal Resistance of GaN HEMTs From De-Trapping Characteristics". IEEE Electron Device Letters (2023): https://doi.org/10.1109/LED.2023.3265766.
    10.1109/LED.2023.3265766
  4. Catarina Belchior; Luis C. Nunes; Pedro M. Cabral; Jose C. Pedro. "Sequential LMBA Design Technique for Improved Bandwidth Considering the Balanced Amplifiers off-State Impedance". IEEE Transactions on Microwave Theory and Techniques (2023): https://doi.org/10.1109/TMTT.2023.3241690.
    10.1109/TMTT.2023.3241690
  5. Barradas, F.M.; Nunes, L.C.; Louro, J.; Barros, D.R.; Cabral, P.M.; Pedro, J.C.. "The Effect of IMD Drain Impedances in RF PA Concurrent Dual-Band Operation". IEEE Transactions on Microwave Theory and Techniques (2023): http://www.scopus.com/inward/record.url?eid=2-s2.0-85148427053&partnerID=MN8TOARS.
    10.1109/TMTT.2023.3240030
  6. João L. Gomes; Filipe M. Barradas; Luís C. Nunes; José C. Pedro. "On the Energy Nonconservation in the FET’s Equivalent Circuit Capacitance Model". IEEE Transactions on Electron Devices (2023): https://doi.org/10.1109/TED.2023.3296712.
    10.1109/TED.2023.3296712
  7. Catarina Belchior; Luís C. Nunes; Pedro M. Cabral; JOSé C. Pedro. "Broadband SLMBA Design Including 90° Hybrid Frequency Response Using an Automatic Methodology". IEEE Access (2023): https://doi.org/10.1109/ACCESS.2023.3293425.
    10.1109/ACCESS.2023.3293425
  8. Joao L. Gomes; Luis C. Nunes; Filipe M. Barradas; Adam Cooman; Aryan E. F. de Jong; Rob M. Heeres; Jose C. Pedro. "The Impact of Long-Term Memory Effects on the Linearizability of GaN HEMT-Based Power Amplifiers". IEEE Transactions on Microwave Theory and Techniques 70 2 (2022): 1377-1390. https://doi.org/10.1109/TMTT.2021.3132930.
    10.1109/TMTT.2021.3132930
  9. Cristiano F. Goncalves; Filipe M. Barradas; Luis C. Nunes; Pedro M. Cabral; Jose Carlos Pedro. "Quasi-Load Insensitive Doherty PA Using Supply Voltage and Input Excitation Adaptation". IEEE Transactions on Microwave Theory and Techniques (2022): 1-1. https://doi.org/10.1109/TMTT.2021.3112168.
    10.1109/TMTT.2021.3112168
  10. Catarina Belchior; Luis C. Nunes; Pedro M. Cabral; Jose C. Pedro. "Automatic Methodology for Wideband Power Amplifier Design". IEEE Microwave and Wireless Components Letters 31 8 (2021): 989-992. https://doi.org/10.1109/LMWC.2021.3083101.
    10.1109/LMWC.2021.3083101
  11. Cristiano F. Goncalves; Filipe M. Barradas; Luis C. Nunes; Pedro M. Cabral; Jose Carlos Pedro. "Dynamic Supply Voltage Control for PA Output Power Correction Under Variable Loading Scenarios". IEEE Transactions on Microwave Theory and Techniques 69 1 (2021): 745-755. https://doi.org/10.1109/TMTT.2020.3037963.
    10.1109/TMTT.2020.3037963
  12. Pedro M. Tome; Filipe M. Barradas; Luis C. Nunes; Joao L. Gomes; Telmo R. Cunha; Jose C. Pedro. "Characterization, Modeling, and Compensation of the Dynamic Self-Biasing Behavior of GaN HEMT-Based Power Amplifiers". IEEE Transactions on Microwave Theory and Techniques 69 1 (2021): 529-540. https://doi.org/10.1109/TMTT.2020.3006290.
    10.1109/TMTT.2020.3006290
  13. Joao Louro; Catarina Belchior; Diogo R. Barros; Filipe M. Barradas; Luis C. Nunes; Pedro M. Cabral; Jose C. Pedro. "New Transistor Behavioral Model Formulation Suitable for Doherty PA Design". IEEE Transactions on Microwave Theory and Techniques (2021): 1-1. https://doi.org/10.1109/TMTT.2021.3054645.
    10.1109/TMTT.2021.3054645
  14. Cristiano F. Goncalves; Filipe M. Barradas; Luis C. Nunes; Pedro M. Cabral; Jose Carlos Pedro. "A Compact Impedance Measurement Solution for Systems Operating in Load Varying Scenarios". IEEE Access (2021): 1-1. https://doi.org/10.1109/ACCESS.2021.3063915.
    10.1109/ACCESS.2021.3063915
  15. Diogo R. Barros; Luis C. Nunes; Pedro M. Cabral; Jose Carlos Pedro. "Impact of the Input Baseband Terminations on the Efficiency of Wideband Power Amplifiers Under Concurrent Band Operation". IEEE Transactions on Microwave Theory and Techniques 67 12 (2019): 5127-5138. https://doi.org/10.1109/TMTT.2019.2951147.
    10.1109/TMTT.2019.2951147
  16. João Lucas Gomes; Nunes, Luís; Cristiano Gonçalves; Jose Carlos Pedro; Joao L. Gomes; Luis C. Nunes; Cristiano F. Goncalves; Jose C. Pedro. "An Accurate Characterization of Capture Time Constants in GaN HEMTs". IEEE Transactions on Microwave Theory and Techniques 67 7 (2019): 2465-2474. https://doi.org/10.1109/TMTT.2019.2921338.
    Under revision • 10.1109/TMTT.2019.2921338
  17. Nunes, Luís. "Efficiency Degradation Analysis in Wideband Power Amplifiers". IEEE Trans. on Microwave Theory and Tech. (2018): http://www.it.pt/Publications/PaperJournal/28041.
    10.1109/TMTT.2018.2871199
  18. João Gomes; Nunes, Luis C.; Nikolai Andreevitch Sobolev; Jose Carlos Pedro. "Memristive Properties of GaN HEMTs Containing Deep-Level Traps". physica status solidi (b) – basic solid state physics 256 5 (2018): 1800387-1800387. http://www.it.pt/Publications/PaperJournal/29417.
    10.1002/pssb.201800387
  19. Gonçalves, C.F.; Nunes, L.C.; Cabral, P.M.; Pedro, J.C.. "Pulsed I/V and S-parameters measurement system for isodynamic characterization of power GaN HEMT transistors". International Journal of RF and Microwave Computer-Aided Engineering 28 8 (2018): http://www.scopus.com/inward/record.url?eid=2-s2.0-85053262417&partnerID=MN8TOARS.
    10.1002/mmce.21515
  20. Cabral, P.M.; Nunes, L.C.; Ressurreição, T.; Pedro, J.C.. "Trapping behavior of GaN HEMTs and its implications on class B PA bias point selection". International Journal of Numerical Modelling: Electronic Networks, Devices and Fields 30 1 (2017): http://www.scopus.com/inward/record.url?eid=2-s2.0-85012850368&partnerID=MN8TOARS.
    10.1002/jnm.2128
  21. Barradas, F.M.; Nunes, L.C.; Cunha, T.R.; Lavrador, P.M.; Cabral, P.M.; Pedro, J.C.. "Compensation of Long-Term Memory Effects on GaN HEMT-Based Power Amplifiers". IEEE Transactions on Microwave Theory and Techniques 65 9 (2017): 3379-3388. http://www.scopus.com/inward/record.url?eid=2-s2.0-85015705175&partnerID=MN8TOARS.
    10.1109/TMTT.2017.2671368
  22. Pedro, J.C.; Nunes, L.C.; Cabral, P.M.. "A simple method to estimate the output power and efficiency load-pull contours of class-B power amplifiers". IEEE Transactions on Microwave Theory and Techniques 63 4 (2015): 1239-1249. http://www.scopus.com/inward/record.url?eid=2-s2.0-84927600664&partnerID=MN8TOARS.
    10.1109/TMTT.2015.2403318
  23. Barradas, F.M.; Nunes, L.C.; Pedro, J.C.; Cunha, T.R.; Lavrador, P.M.; Cabral, P.M.. "Accurate linearization with low-complexity models using cascaded digital predistortion systems". IEEE Microwave Magazine 16 1 (2015): 94-103. http://www.scopus.com/inward/record.url?eid=2-s2.0-84921342748&partnerID=MN8TOARS.
    10.1109/MMM.2014.2367864
  24. Nunes, L.C.; Cabral, P.M.; Pedro, J.C.. "AM/AM and AM/PM distortion generation mechanisms in Si LDMOS and GaN HEMT based RF power amplifiers". IEEE Transactions on Microwave Theory and Techniques 62 4 (2014): 799-809. http://www.scopus.com/inward/record.url?eid=2-s2.0-84898424158&partnerID=MN8TOARS.
    10.1109/TMTT.2014.2305806
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2022 RF Technology for Wireless Communications and Sensing
2018/09/23 Long-Term Memory Effects in GaN Devices: From Modeling to Compensation 2018 48th European Microwave Conference (EuMC)
IEEE (Madrid, Spain)
2018 Prediction and Compensation of PA Linearity and Efficiency in MIMO scenarios
2016 Wideband power amplifier linearization: from active device distortion to DPD compensation

Supervision

Thesis Title
Role		 Degree Subject (Type)
Institution / Organization
2022/03 - Current Physics-Based Compact Model for AlGaN/GaN HEMT
Co-supervisor
 Programa Doutoral em Engenharia Eletrotécnica (PhD)
Universidade de Aveiro, Portugal
2019/09 - Current Behavior Transistor Models for Power Amplifier Design
Supervisor
 Engenharia Eletrotécnica (PhD)
Universidade de Aveiro, Portugal
2019/09 - Current Power Amplifier Design using Artificial Intelligence
Supervisor
 Engenharia Eletrotécnica (PhD)
Universidade de Aveiro, Portugal
2023 - 2023/07/28 Calibration methods for High Power Vector Receiver Load Pull Systems
Supervisor
 Engenharia Eletrónica e Telecomunicações (Master)
Universidade de Aveiro, Portugal
2022/09 - 2023/07 Amplificador de Potência para Sistemas de Radar de Abertura Sintética
Supervisor
2018 - 2022/12 The Impact of Long-Term Memory Effects on the Linearizability of AlGaN/GaN HEMT-based Power Amplifiers
Co-supervisor
 Engenharia Eletrotécnica (PhD)
Universidade de Aveiro, Portugal
2021/09 - 2022/07 Transmissor RF de Elevado Rendimento com duas Entradas Digitais para Sistemas 5G
Supervisor
2021 - 2022 Bias-Point Pulsing System for RF Power Transistors’ Characterization
Supervisor
 Engenharia Eletrónica e Telecomunicações (Master)
Universidade de Aveiro, Portugal
2020 - 2022 Amplificador de Potência para Sistemas 5G
Supervisor
 Engenharia Eletrónica e Telecomunicações (Master)
Universidade de Aveiro, Portugal
2020 - 2021 Bancada de Linearização para Amplificadores de Potência destinados a Sistemas 5G
Co-supervisor
 Engenharia Eletrónica e Telecomunicações
Universidade de Aveiro, Portugal
2019/09 - 2020/07 Microwave Active Load-Pull System
Supervisor
 Engenharia Eletrónica e Telecomunicações (Master)
Universidade de Aveiro, Portugal
2019 - 2020 Amplificador de Potência para Sistemas 5G
Co-supervisor
 Engenharia Eletrónica e Telecomunicações (Master)
Universidade de Aveiro, Portugal
2017 - 2018 Implementação de um Transmissor MIMO para Sistemas 5G
Co-supervisor
 Engenharia Eletrónica e Telecomunicações (Master)
Universidade de Aveiro, Portugal
2015 - 2016 GaN HEMT transistors characterization for nonlinear modelling
Co-supervisor
 Engenharia Eletrónica e Telecomunicações (Master)
Universidade de Aveiro, Portugal
2015 - 2016 Sistema automático de "Load-Pull" com base num sintonizador de impedância eletromecânico
Co-supervisor
 Engenharia Eletrónica e Telecomunicações (Master)
Universidade de Aveiro, Portugal
2014 - 2015 Amplificador de RF Doherty assimétrico de 2-vias
Co-supervisor
 Engenharia Eletrónica e Telecomunicações (Master)
Universidade de Aveiro, Portugal

Conference scientific committee

Conference name Conference host
2023/11 - Current The International Workshop on Integrated Nonlinear Microwave and Millimetre-wave Circuits
2020 - Current European Microwave Conference

Course / Discipline taught

Academic session Degree Subject (Type) Institution / Organization
2020/09 - 2021/02 Aplicacionais para Ciencias e Engenharia Aplicacionais para Ciencias e Engenharia (Licenciatura) Universidade de Aveiro, Portugal
2020/03 - 2020/07 Programação Matlab (Licenciatura) Universidade de Aveiro, Portugal
2019/09 - 2020/07 Projecto Industrial Engenharia Eletrónica e Telecomunicações (Mestrado integrado) Universidade de Aveiro, Portugal
2019 - 2019 Programação em Matlab Engenharia Eletrónica e Telecomunicações (Mestrado integrado) Universidade de Aveiro, Portugal
2018 - 2019 Aplicacionais para Ciências e Engenharia Engenharia Eletrónica e Telecomunicações (Mestrado integrado) Universidade de Aveiro, Portugal
2012 - 2013 Aplicacionais para Ciências e Engenharia Engenharia Eletrónica e Telecomunicações (Mestrado integrado) Universidade de Aveiro, Portugal

Journal scientific committee

Journal title (ISSN) Publisher
2020 - Current IEEE Microwave and Wireless Components Letters (1558-1764) Institute of Electrical and Electronics Engineers
2020 - Current IEEE Open Access Journal of Power and Energy (2687-7910) Institute of Electrical and Electronics Engineers
2019/04 - Current International Journal of RF and Microwave Computer-Aided Engineering (1099-047X) Wiley (John Wiley & Sons)
2017 - Current IEEE Transactions on Power Electronics (1941-0107) Institute of Electrical and Electronics Engineers
2014 - Current IEEE Transactions on Microwave Theory and Techniques (1557-9670) Institute of Electrical and Electronics Engineers
Distinctions

Award

2024 Microwave Prize
IEEE Microwave Theory and Techniques Society, United States
2022 2022 EuMIC Prize (Best Paper)
European Microwave Association, Belgium
2015 2nd place of Digital Predistortion Student Design Contest
IEEE Microwave Theory and Techniques Society, United States
2014 Best paper award
IEEE, United States
2014 Winner of Digital Predistortion Student Design Contest
IEEE Microwave Theory and Techniques Society, United States