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Mário Vala was born in Leiria, Portugal, in 1996. He received the undergraduate degree in Electrical and Computer Engineering, Electronics & Computers, from the School of Technology and Management (ESTG) of the Polytechnic Institute of Leiria (IPL), Portugal, in 2017. He also received the MsC degree in Electrical Engineering, Electronics & Telecommunications, with the theme "Electronically Reconfigurable FSS-Inspired Transmitarray for Two Dimensional Beamsteering for 5G and RADAR Applications at 28 GHz", from the School of Technology and Management (ESTG) of the Polytechnic Institute of Leiria (IPL), Portugal, in 2019. He is a researcher at the Antennas & Propagation (A&P-Lr) research group at Instituto de Telecomunicações, Leiria, Portugal. He is currently working towards the PhD degree under the theme: "Radiowave Propagation in Wildfires", at Instituto Superior Técnico of University of Lisbon, Lisbon, Portugal. He has co-authored 3 articles in international journals and 22 papers in national and international conferences. He has also received 8 awards, 3 of which were awarded by the Directorate General for Higher Education (DGES) due to his exceptional classifications on the curricular units in 2014/2015, 2015/2016 and 2016/2017.
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Identification

Personal identification

Full name
Mário António Patrício Carreira Vala

Citation names

  • Vala, Mário

Author identifiers

Ciência ID
A515-430E-F69B

Languages

Language Speaking Reading Writing Listening Peer-review
Portuguese (Mother tongue)
English Upper intermediate (B2) Upper intermediate (B2) Upper intermediate (B2) Upper intermediate (B2)
Education
Degree Classification
2020/09/01 - 2023/09
Ongoing
 Engenharia Eletrotécnica e de Computadores (Doutoramento)
Universidade de Lisboa Instituto Superior Técnico, Portugal
2017/09/18 - 2019/10
Concluded
 Engenharia Eletrotécnica (Mestrado)
Major in Eletrónica e Telecomunicações
Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
"Electronically Reconfigurable FSS-Inspired Transmitarray for Two Dimensional Beamsteering for 5G and RADAR Applications at 28 GHz" (THESIS/DISSERTATION)
 19
2014 - 2017
Concluded
 Engenharia Eletrotécnica e de Computadores (Licenciatura)
Major in Eletrónica e Computadores
Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
 19
Projects

Grant

Designation Funders
2019/06 - 2019/10 eVEGETATION-Benchmark
UID/EEA/50008/2019
Research Fellow
Instituto de Telecomunicações, Portugal
Concluded
2018 - 2019 RETIOT - Utilização de Tecnologias de Reflectometría no melhoramento do futuro Internet das Coisas e Sistemas Ciber-Físicos
SAICT-45-2015-03 / Projeto nº 16432
Research Fellow
Instituto de Telecomunicações Delegação de Leiria, Portugal
 Fundação para a Ciência e a Tecnologia
Ongoing

Other

Designation Funders
2021/10/04 - Current MARES: Satellite-based microwave remote sensing for marine litter mapping
ESA STAR 2-1806/21/NL/GLC/ov
Researcher
Ongoing
2019/12/01 - Current RESCUE-TOOL : Radio coverage for emergency communication systems to operate under critical wildfire environments TOOL
PCIF/SSI/0194/2017
Research Fellow
Instituto de Telecomunicações Delegação de Leiria, Portugal
Ongoing
2019/04/01 - Current Propagation5G: Study and optimisation of propagation models for 5G
FCT/CAPES 2018
Researcher
Instituto de Telecomunicações Delegação de Leiria, Portugal
Ongoing
Outputs

Publications

Book chapter
  1. Oliveira, Tiago E. S.; Vala, Mário; Faria, Stefânia; Reis, Joao R.; Leonor, Nuno; Caldeirinha, Rafael. "A Study on Small Sensor Node Antenna Performance Camouflaged Under Grassland Fire". In Internet of Things. Technology and Applications. IFIPIoT 2021. 2022.
    Published
Conference paper
  1. Duarte, Luis; Vala, Mário; Ribeiro, Carlos; Alves, Luis; Fernandes, Carlos; Caldeirinha, Rafael. "A feasibility study on real-time concealed object detection in foliage using STDCC radar". Paper presented in 13th IEEE/IET International Symposium on Communication Systems, Networks and Digital Signal Processing CSNDSP, Porto, 2022.
    Accepted
  2. Faria, Stefânia; Vala, Mário; Leonor, Nuno; João M. Felício; Fernandes, Carlos; Salema, Carlos; Caldeirinha, Rafael. "Modelling of Radiowave Propagation Through Small-scale Forest Fire". Paper presented in URSI Atlantic Radio Scinece Conference - URSI AT-RASC, Gran Canaria, 2022.
    Published
  3. Oliveira, Tiago E. S.; Reis, Joao R.; Vala, Mário; Caldeirinha, Rafael. "A Microstrip Quasi-Yagi Antenna based on Optimised Waning Crescent Elements for WSN". Paper presented in URSI URSI Atlantic Asia-Pacific Radio Science Meeting URSI AT-AP-RASC, Gran Canaria, 2022.
    Published
  4. Ramos, Glaucio L.; Vala, Mário; Caldeirinha, Rafael F. S.; Leonor, Nuno; da Silva Mello, Luiz. "Angle of Arrival Retrieval from Power Angular Spectrum Using Antenna Pattern Deconvolution at K-Band". Paper presented in 2022 16th European Conference on Antennas and Propagation (EuCAP), Madrid, 2022.
    Published • 10.23919/eucap53622.2022.9769463
  5. Faria, Stefania; Vala, Mário; Leonor, Nuno; Felicio, Joao M.; Fernandes, Carlos; Salema, Carlos; Caldeirinha, Rafael. "Measurement Trials of Radiowave Propagation Through Pinus Pinaster Fuel Bed Under Fire". Paper presented in 2022 16th European Conference on Antennas and Propagation (EuCAP), Madrid, 2022.
    Published • 10.23919/eucap53622.2022.9769453
  6. Vala, Mário; Faria, Stefânia; Leonor, Nuno; João M. Felício; Fernandes, Carlos; Salema, Carlos; Caldeirinha, Rafael. "Complex Permittivity Study of a Pinus Pinaster Needle Bed on Fire". Paper presented in ANACOM URSI 15.º Congresso do Comité Português da URSI ''Sustentabilidade ambiental no uso do espectro radioelétrico, Leiria, 2021.
    Published
  7. Oliveira, Tiago E. S.; Vala, Mário; Faria, Stefânia; Reis, Joao R.; Leonor, Nuno; Caldeirinha, Rafael. "A Study on Small Sensor Node Antenna Performance Camouflaged Under Grassland Fire". Paper presented in nternational Federation for Information Processing IFIP International Internet of Things Conference IFIP IOT, Amsterdam, 2021.
    Published
  8. Oliveira, Tiago E. S.; Reis, Joao R.; Vala, Mário; Caldeirinha, Rafael F. S.. "High Performance Antennas for Early Fire Detection Wireless Sensor Networks at 2.4 GHz". Paper presented in 2021 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC), Hawai, 2021.
    Published • 10.1109/apwc52648.2021.9539629
  9. Faria, Stefânia; Vala, Mário; Leonor, Nuno; João M. Felício; Fernandes, Carlos; Salema, Carlos; Caldeirinha, Rafael. "Electromagnetic study of complex permittivity on a medium-scale flat terrain fire scenario". Paper presented in Simposium Nacional de la Unión Científica Internacional de Radio, Vigo, 2021.
    Published
  10. Faria, Stefania; Vala, Mário; Coimbra, Pedro; Felicio, Joao; Leonor, Nuno; Fernandes, Carlos; Salema, Carlos; Caldeirinha, Rafael. "Analytical Studies of Refractive Index Variation in Pine Needles Media under Wildfire Conditions". Paper presented in 2021 15th European Conference on Antennas and Propagation (EuCAP), Dusseldorf, 2021.
    10.23919/eucap51087.2021.9411452
  11. Coimbra, Pedro; Faria, Stefania; Vala, Mário; Felicio, Joao; Fernandes, Carlos; Leonor, Nuno; Caldeirinha, Rafael; Salema, Carlos. "Experimental Setup for Radio Characterization of Fire at Microwave Frequencies". Paper presented in 2021 Telecoms Conference (ConfTELE), Leiria, 2021.
    Published • 10.1109/conftele50222.2021.9435517
  12. Faria, Stefania; Vala, Mário; Coimbra, Pedro; Leonor, Nuno; Felicio, Joao; Fernandes, Carlos A.; Salema, Carlos; Caldeirinha, Rafael F. S.. "Radiowave Propagation Modelling of Dual Wildfire Front Spreading over Hilly Terrain at 700 MHz". Paper presented in 2021 Telecoms Conference (ConfTELE), Leiria, 2021.
    10.1109/conftele50222.2021.9435561
  13. Vala, Mário; Reis, Joao R.; Caldeirinha, Rafael F. S.. "On the Practical Limitations of Scalable Electronic 2D Beamsteering Using Metamaterials at Micro and Millimetre-wave Frequencies". Paper presented in 2021 Telecoms Conference (ConfTELE), Leiria, 2021.
    10.1109/conftele50222.2021.9435521
  14. Oliveira, Tiago E. S.; Goncalves, Joao F.; Reis, Joao R.; Vala, Mário; Caldeirinha, Rafael F. S.. "High-Gain Wideband Parasitic Microstrip Antenna for 5G and IoT at 26 GHz". Paper presented in 2021 Telecoms Conference (ConfTELE), Leiria, 2021.
    10.1109/conftele50222.2021.9435457
  15. Faria, Stefania; Vala, Mário; Coimbra, Pedro; Felicio, Joao; Leonor, Nuno; Fernandes, Carlos; Salema, Carlos; Caldeirinha, Rafael. "Comparative Study of Computational Electromagnetics Applied to Radiowave Propagation in Wildfires". Paper presented in XXXIII General Assembly and Scientific Symposium (GASS) of the International Union of Radio Science (Union Radio Scientifique Internationale-URSI), Rome, 2020.
    10.23919/ursigass49373.2020.9232369
  16. Reis, Joao R.; Vala, Mário; Fernandes, Telmo; Caldeirinha, Rafael F. S.. "Metamaterial-inspired flat-antenna design for 5G base-stations operating at 3.6 GHz". Paper presented in 12th IEEE/IET International Symposium on Communication Systems, Networks and Digital Signal Processing- CSNDSP, Porto, 2020.
    Published
  17. Vala, Mário; Reis, Joao R.; Caldeirinha, Rafael F. S.. "A Novel Dual-Polarised Transmitarray for Beamsteering at 28 GHz". Paper presented in Antennas and Propagation Conference - APC, Birmingham, Birmingham, 2019.
    Published
  18. Vala, Mario; Reis, Joao R.; Caldeirinha, Rafael F. S.. "On the Practical Limitations of Electronic Beamsteering using Metamaterials at 28 GHz". Paper presented in 2019 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC), Granada, 2019.
    Published • 10.1109/apwc.2019.8870409
  19. Reis, Joao R.; Vala, Mário; Caldeirinha, Rafael F. S.. "Novel Electronically Reconfigurable Transmitarray for 2D Beamsteering: Emerging Applications". Paper presented in Conf. on Telecommunications - ConfTele, Lisboa, 2019.
    Published
  20. Vala, Mário; Reis, Joao R.; Caldeirinha, Rafael F. S.. "A 28 GHz Fully 2D Electronic Beamsteering Transmitarray for 5G and future RADAR applications". Paper presented in Loughborough Antennas and Propagation Conf. – LAPC, Loughborough, 2018.
    Published
  21. Vala, Mario; Sardo, Andre; Reis, Joao R.; Caldeirinha, Rafael F. S.. "Electronic Reconfigurable Beam-redirecting Metasurfaces for Outdoor-indoor Radio Coverage Enhancement at 5.2 GHz". Paper presented in 2018 IEEE 29th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Bolonha, 2018.
    Published • 10.1109/pimrc.2018.8580863
  22. Caldeirinha, Rafael F. S.; Reis, Joao R.; Vala, Mário; Sardo, Andre; Hammoudeh, Akram; Copner, Nigel. "Electronically Reconfigurable Active Metamaterials for 2D Beamsteering". Paper presented in Encuentro Ibérico de Electromagnetismo Computacional - EIEC, Coimbra, 2018.
    Published
Journal article
  1. Leonor, Nuno; Faria, Stefania; Vala, Mário; Caldeirinha, Rafael F.S.. "A Combined ITM and LITU-R Model for Enhanced Radio Coverage Predictions of Mission Critical Communications in Mountainous Vegetated Terrains". IEEE Antennas and Wireless Propagation Letters (2022): 1-1. http://dx.doi.org/10.1109/lawp.2022.3179625.
    10.1109/lawp.2022.3179625
  2. Reis, Joao R.; Vala, Mário; Oliveira, Tiago E. S.; Caldeirinha, Rafael. "Metamaterial-inspired Flat-Antenna Design for 5G Small-cell Base-Stations Operating at 3.6 GHz". Sensors 21 23 (2021): 8116.
    Published
  3. Reis, Joao R.; Vala, Mario; Caldeirinha, Rafael F. S.. "Review Paper on Transmitarray Antennas". IEEE Access 7 (2019): 94171-94188. http://dx.doi.org/10.1109/access.2019.2924293.
    Published • 10.1109/access.2019.2924293

Intellectual property

Patent
  1. Vala, Mário; Reis, Joao R.; Caldeirinha, Rafael. 2019. "Célula unitária, superfície de mudança de fase para direcionamento de ondas eletromagnéticas, sistema e método relacionados". Portugal.
    Granted/Issued
Activities

Supervision

Thesis Title
Role 		Degree Subject (Type)
Institution / Organization
2018 - 2019 Head phantom for testing microwave imaging techniques to detect brain tumour
Co-supervisor
 Engenharia Eletrotécnica e de Computadores (Degree)
Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal

Event participation

Activity description
Type of event 		Event name
Institution / Organization
2018/07/21 - 2018/08/03 Participation in Huawei's Program "Seeds for the Future" - two-week study trip to China with workshop in telecommunications and 5G technology
Huawei Technologies Co Ltd China, China
2018 - 2018 Dia aberto IPL 2018 - Presentation of the work developed to high school students.
Other
 Dia aberto 2018
Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
2018 - 2018 Participation in several Workshops held by IEEE IPLeiria Student Branch - Latex, Arduino and IoT
Workshop
2018 - 2018 Encontro Ciência '18 - annual meeting of Portuguese researchers. Poster presentation of the work developed.
Meeting
 Encontro Ciência 2018
2017/01/19 - 2017/01/19 IEEE 5G Lisbon Summit
Other
 IEEE 5G Lisbon Summit
Instituto de Telecomunicações, Portugal
Distinctions

Award

2021 Radiowave Propagation Modelling of Dual Wildfire Front Spreading Over Hilly Terrain at 700 MHz - ConfTELE 2021 Top 10% Best Paper Award
2021 On the Practical Limitations of SCalable Electronic 2D Beamsteering Using Metamaterials at MIcro and Millimetre-wave Frequencies, ConfTELE 2021 Top 10% Best Paper Award.
2021 Complex Permittivity Study of a Pinus Pinaster Needle Bed on Fire, Best Student Paper Award - 1st Place at ANACOM: 15.º Congresso do Comité Português da URSI
2019 Merit Scholarship by the Directorate General for Higher Education (DGES) 2014/2015 - The merit scholarships are awarded by the Higher Education Institutions to students who present excepional classifications of the curricular units during each year.
2019 Merit Scholarship by the Directorate General for Higher Education (DGES) 2016/2017 - The merit scholarships are awarded by the Higher Education Institutions to students who present excepional classifications of the curricular units during each year.
2019 Merit Scholarship by the Directorate General for Higher Education (DGES) 2015/2016 - The merit scholarships are awarded by the Higher Education Institutions to students who present excepional classifications of the curricular units during each year.
2015 Merit scholarship by Jornal Ensino Magazine - Scholarship awarded to the student with better performance in the academic year 2014/2015.
2014 Polytechnic of Leiria Award – Secondary School Merit (2014) - Award that distinguishes the best student who entered each of the courses in each academic year.
Instituto Politécnico de Leiria, Portugal