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Rafael F. S. Caldeirinha (S’00, M’2001, SM’15) was born in Leiria, Portugal, in 1974. He received the B.Eng. (Hons.) degree in Electronic and Communication Engineering and the Ph.D. degree from the University of Glamorgan, U.K., in 1997 and 2001, respectively, and the Habilitation (Agregação) title by the University of Aveiro (Portugal) in 2020. He is currently a Senior Researcher and Head of the Antennas & Propagation (A&P-Lr) Research Group and Research Cluster Coordinator on A&P (at national level), Instituto de Telecomunicações, Leiria, since 2010, and Full Professor in Telecommunications at Polytechnic of Leiria (Portugal), since 2001. His research interests include studies of radiowave propagation through vegetation media, including wildfires, radio channel sounding and modeling, radar imaging and radiometry, and reconfigurable intelligent surfaces,for applications at micro- and millimetre-wave frequencies. Prof. Caldeirinha has authored or co-authored more than 200 papers in conferences and international journals, two national patents, and 4 contributions to ITU-R Study Group, which formed the basis of the ITU–R P.833–5 (2005) recommendation. Prof. Caldeirinha was Associate Editor of the IEEE Transactions on Antennas and Propagation journal from 2016-2022; Associate Editor of the IET on Microwaves, Antennas and Propagation journal; Member of the editorial board of the International Journal of Communication Systems, IJCS (New York, Wiley); Appointed Officer for Awards and Recognitions of the IEEE Portugal section in 2014; Chair of the IEEE Portugal Joint Chapter on Antennas & Propagation - Electron Devices - Microwave Theory & Techniques from 2016 to 2021; Regional Delegate of European Association for Antennas and Propagation (EurAAP) for Andorra, Portugal and Spain from 2017 -2023 and Member of Board of Directors (and Secretary/Treasurer) since 2023; Chair of the Scientific Committee F (Propagation and Remote Sensing) of the Portuguese International Union of Radio Science (URSI) Committee since 2019; President of National Technical Commission for Electrotechnical Standardization CTE 106 - Electromagnetic fields in the human environment (CENELEC); and a Senior Member of IEEE and URSI and Fellow Member of IET.
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Identification

Personal identification

Full name
Rafael Caldeirinha

Citation names

  • Caldeirinha, Rafael

Author identifiers

Ciência ID
4D18-2B1E-0960
ORCID iD
0000-0003-0297-7870

Email addresses

  • rafael.caldeirinha@ipleiria.pt (Professional)

Addresses

  • Instituto de Telecomunicações, Delegação de Leiria, Escola Superior de Tecnologia e Gestão, Politécnico de Leiria, Campus 2, Morro do Lena, Alto do Vieiro, 2401-951 Leiria, 2401-911, Leiria, Leiria, Portugal (Professional)

Websites

Knowledge fields

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

Languages

Language Speaking Reading Writing Listening Peer-review
Portuguese Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2)
English Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
Education
Degree Classification
2020/03/04
Concluded
 Agregação (Título de Agregado)
Major in Telecomunicações
Universidade de Aveiro, Portugal
 Aprovado por unanimidade.
2001
Concluded
 PhD (Doutoramento)
University of South Wales, United Kingdom
"Radio Characterisation of Single Trees at Micro and Milimetre Wave Frequences" (THESIS/DISSERTATION)
1997
Concluded
 BEng (Hons) in Electronic and Communication Engineering (Bachelor (1st cycle))
University of South Wales, United Kingdom
 2:1 (16 valores)
1993
Concluded
 Eletrónica - via de ensino (Ensino secundário)
Escola Secundária Domingos Sequeira, Portugal
 18
Affiliation

Science

Category
Host institution 		Employer
2002/01/01 - Current Researcher (Research) Instituto de Telecomunicações, Portugal
2002/01/01 - Current Visiting Researcher (Research) University of South Wales, United Kingdom

Teaching in Higher Education

Category
Host institution 		Employer
2006/08/01 - Current Main Coordinator Teacher (Polytechnic Teacher) Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
2001/08/01 - 2006/07/31 Adjunct Teacher (Polytechnic Teacher) Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
2001/03/01 - 2001/08/31 Assistant Professor (University Teacher) University of South Wales, United Kingdom
2001/03/01 - 2001/05/31 Assistant Professor (University Teacher) University of South Wales, United Kingdom
1997/10/06 - 2001/02/28 Assistant (University Teacher) University of South Wales, United Kingdom

Positions / Appointments

Category
Host institution 		Employer
2023/05/01 - Current President of National Technical Commission for Electrotechnical Standardization CTE 106 - Electromagnetic fields in the human environment Autoridade Nacional de Comunicacoes, Portugal
2023/01/01 - Current EurAAP Director, Secretary and Treasurer European Association on Antennas and Propagation, France
2010/01/01 - Current Head of the Antennas and Propagation (A&P-Lr) research group of the Instituto de Telecomunicações - IT (Associated Laboratory) Instituto de Telecomunicações Delegação de Leiria, Portugal
2006/10 - 2017/06 Member of the Electrical and Electronic Engineering Department Council Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
2013/07/30 - 2015/06/30 Member of the Permanent Commission of the Third Technical and Scientific Council Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
2013/06/28 - 2015/06/30 Effective member of the School Third Technical-Scientific Council Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
2010/02/18 - 2014/02/26 Organic Unit Sub-director Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
2009/09/01 - 2013/12/31 Course Coordinator of the Master degree course in Multimedia Communications Engineering Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
2009/03/16 - 2011/03/22 Effective member of the School First Pedagogical Council Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
2007/11/01 - 2009/05/08 Head of Department of Electrical and Electronic Engineering Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
2007/09/01 - 2008/12/31 Local course coordinator of the master's course (pre-Bologna) in Electrical and Computer Engineering in partnership with University of Trás-os Montes and Alto Douro that run in Leiria Instituto Politécnico de Leiria Escola Superior de Tecnologia e Gestão, Portugal
2001/06/01 - 2001/08/31 Course leader of the Foundation Year in Electronics and Information Technology University of South Wales, United Kingdom

Others

Category
Host institution 		Employer
2019/12 - Current Chairman of the Scientific Committee F (Propagation and Remote Sensing) Union Radio-Scientifique Internationale, Belgium
2016/08/01 - Current Associate Editor of IEEE Transactions on Antennas and Propagation (Q1) IEEE Antennas and Propagation Society, United States
2016/08/01 - Current Associate Editor of IET Microwaves Antennas & Propagation (Q1) The Institution of Engineering and Technology, United Kingdom
2016/01/01 - Current Chair of the IEEE Portugal MTT-AP-ED Societies Joint Chapter IEEE, United States
2009/01/01 - Current Member of the editorial board of the Journal "International Journal of Communication Systems", IJCS, published by John Wiley. John Wiley & Sons Inc, United Kingdom
2017/03/15 - 2022/01/01 Regional Delegate of EurAAP for Andorra, Portugal and Spain European Association on Antennas and Propagation, France
2014/01/01 - 2014/12/31 Awards & Recognition Committee Chair, IEEE Portugal Section IEEE, United States
2006/01/01 - 2012/12/31 Program chair of the annual WINSYS International Conference Institute for Systems and Technologies of Information, Control and Communication, Portugal
Projects

Grant

Designation Funders
2018/09 - 2022/08 Rede de Sensores sem Fios para Monitorização Ambiental
151728PRJ
 Fundação para a Ciência e a Tecnologia
2017/09 - 2019/09 Edifícios de Madeira de Elevado Desempenho
148747PRJ
 Fundação para a Ciência e a Tecnologia
2010/03 - 2013/08 ADCOD - Projecto de Códigos e Receptores Avançados para Transmissão em Canais Rádio Selectivos
99973PRJ
 Fundação para a Ciência e a Tecnologia

Contract

Designation Funders
2019/03/01 - 2022/02/28 Cobertura rádio para sistemas de comunicação de emergência em ambientes críticos de fogos florestais - Ferramenta
PCIF/SSI/0194/2017
Instituto de Telecomunicações, Portugal
 Fundação para a Ciência e a Tecnologia
Ongoing
2017/01/09 - 2021/01/08 Utilização de Tecnologias de Reflectometría no melhoramento do futuro Internet das Coisas e Sistemas Ciber-Físicos
SAICTPAC/0006/2015
Instituto de Telecomunicações, Portugal

Universidade de Lisboa Instituto Superior Técnico, Portugal

Universidade de Aveiro, Portugal

Universidade do Algarve, Portugal
Fundação para a Ciência e a Tecnologia
Ongoing
2010/03/01 - 2013/08/31 ADCOD - Projecto de Códigos e Receptores Avançados para Transmissão em Canais Rádio Selectivos
PTDC/EEA-TEL/099973/2008
Universidade de Lisboa Instituto Superior Técnico, Portugal

Universidade de Lisboa Instituto de Sistemas e Robótica, Portugal

Instituto de Telecomunicações, Portugal
Fundação para a Ciência e a Tecnologia
Concluded
2005/07/01 - 2008/06/30 Modelo genérico de canal rádio para propagação em vegetação não homogénea a 40 GHz
POSC/EEA-CPS/57481/2004
Instituto de Telecomunicações, Portugal
 Fundação para a Ciência e a Tecnologia
Concluded
Outputs

Publications

Book
  1. Fernandes, T.R.; Caldeirinha, R.F.S.; Al-Nuaimi, M.O.; Richter, J.. Directional spectrum modelling in inhomogeneous forests at 20 and 62.4 GHz. 2008.
Book chapter
  1. Abdullahi, Aliyu Buba; Caldeirinha, Rafael F. S.; Hammoudeh, Akram; Uggalla, Leshan; Eastment, Jon. "Real Time Multiuser-MIMO Beamforming/Steering Using NI-2922 Universal Software Radio Peripheral". In Advances in Information and Communication, 28-50. Springer International Publishing, 2019.
    10.1007/978-3-030-12388-8_3
  2. Caldeirinha, Rafael; Rafael F. S. Caldeirinha. "Directional Spectrum Modelling in Inhomogeneous Forests at 20 and 62.4 GHz". In E-business and Telecommunication Networks - Third International Conf., ICETE 2006. 2006.
    10.1007/978-3-540-70760-8_26
Conference paper
  1. Yoiz Nuñez; Lisandro Lovisolo; Luiz da Silva Mello; Glaucio Ramos; Nuno R. Leonor; Stefânia Faria; Rafael F. S. Caldeirinha. "Path Loss Prediction for Vehicular-to-Infrastructure Communication Using Machine Learning Techniques". 2023.
    10.1109/VCC60689.2023.10474798
  2. Faria, Stefania; Vala, Mario; Leonor, Nuno; Felicio, Joao M.; Fernandes, Carlos; Salema, Carlos; Caldeirinha, Rafael. "Measurement Trials of Radiowave Propagation Through Pinus Pinaster Fuel Bed Under Fire". 2022.
  3. Oliveira, Tiago E.; Reis, Joao R.; Caldeirinha, Rafael F. S.. "A Microstrip Quasi-Yagi Antenna based on Optimised Waning Crescent Elements for WSN". 2022.
  4. Faria, Stefania; Vala, Mario; Leonor, Nuno; Felicio, Joao; Fernandes, Carlos; Salema, Carlos; Caldeirinha, Rafael. "Modelling of Radiowave Propagation Through Small-scale Forest Fire". 2022.
  5. Ramos, Glaucio L.; Vala, Mario; Caldeirinha, Rafael F. S.; Leonor, Nuno; Mello, Luiz da Silva. "Angle of Arrival Retrieval from Power Angular Spectrum Using Antenna Pattern Deconvolution at K-Band". 2022.
  6. Oliveira, Tiago E. S.; Reis, Joao R.; Vala, Mario; Caldeirinha, Rafael F. S.. "High Performance Antennas for Early Fire Detection Wireless Sensor Networks at 2.4 GHz". 2021.
    10.1109/APWC52648.2021.9539629
  7. Faria, Stefania; Vala, Mario; Coimbra, Pedro; Felicio, Joao; Leonor, Nuno; Fernandes, Carlos; Salema, Carlos; Caldeirinha, Rafael. "Comparative Study of Computational Electromagnetics Applied to Radiowave Propagation in Wildfires". 2020.
    10.23919/ursigass49373.2020.9232369
  8. Sardo, Andre; Reis, Joao R.; Duarte, Luis; Leonor, Nuno; Ribeiro, Carlos; Caldeirinha, Rafael F. S.. "STDCC radar at 24 GHz: first measurement trials". 2020.
    10.23919/ursigass49373.2020.9232154
  9. Duarte, Luis; Ribeiro, Carlos; Alves, Luis N.; Caldeirinha, Rafael F. S.. "All-digital reconfigurable STDCC radar baseband implementation in FPGA". 2020.
    10.1109/csndsp49049.2020.9249556
  10. Louro, Joao Santos; Rui Fernandes, Telmo; Rodrigues, Hugo; Caldeirinha, Rafael F. S.. "3D Indoor Radio Coverage for 5G Planning: a Framework of Combining BIM with Ray-tracing". 2020.
    10.1109/csndsp49049.2020.9249503
  11. Reis, Joao R.; Vala, Mario; Fernandes, Telmo R.; Caldeirinha, Rafael F. S.. "Metamaterial-inspired Flat-Antenna Design for 5G Small-cell Base-Stations Operating at 3.6 GHz". 2020.
    10.1109/csndsp49049.2020.9249497
  12. Leonor, Nuno; Fernandes, Telmo; Caldeirinha, Rafael. "A Practical Deconvolution Antenna Method to Retrieve Scattering Profile in Complex Random Media - A Vegetation Case Study at 28 GHz". Copenhagen, 2020.
    Published • 10.23919/EuCAP48036.2020.9135855
  13. Faria, Stefania S.; Leonor, Nuno; Fernandes, Carlos A.; Felicio, Joao; Salema, Carlos; Caldeirinha, Rafael F. S.. "Radiowave Propagation Modelling in the Presence of Wildfires: Initial Results". 2020.
  14. Ramos, Glaucio L.; Pereira, Paulo T.; Leonor, Nuno; Caldeirinha, Rafael E. S.. "Analysis of Radiowave Propagation in Forest Media Using the Parabolic Equation". 2020.
    10.23919/EUCAP48036.2020.9135368
  15. Sardo, Andre; Reis, Joao R.; Duarte, Luis; Leonor, Nuno; Ribeiro, Carlos; Caldeirinha, Rafael F. S.. "STDCC radar at 24 GHz: first measurement trials". 2020.
    10.23919/URSIGASS49373.2020.9232154
  16. Vala, Mario; Reis, Joao R.; Caldeirinha, Rafael F. S.. "On the Practical Limitations of Electronic Beamsteering using Metamaterials at 28 GHz". 2019.
    10.1109/apwc.2019.8870409
  17. Caldeirinha, Rafael F. S.; Reis, Joao R.; Sardo, Andre; Duarte, Luis; Leonor, Nuno; Gil, Joao; Ribeiro, Carlos. "Disruptive Future of Radar Based on All-Digital PN Signal Processing". 2019.
    10.1109/apwc.2019.8870463
  18. Jordao, Marina; Belo, Daniel; Caldeirinha, Rafael; Oliveira, Arnaldo S. R.; Carvalho, Nuno Borges. "Characterization of Electromagnetic Coupling Effects in MIMO Antenna Array Beamforming". 2019.
    10.1109/mwsym.2019.8700814
  19. Conniott, Wilson; Vieira, Judite; Monteiro, Silvia; Caldeirinha, Rafael F. S.. "Low Cost Radio Shielding Effectiveness using Carbonised Wood". Paper presented in 2019 13th European Conference on Antennas and Propagation (EuCAP), Krakow, 2019.
  20. Reis, Joao R.; Hammoudeh, Akram; Copner, Nigel; Fernandes, Telmo; Caldeirinha, Rafael F. S.. "2D Agile Beamsteering using an Electronically Reconfigurable Transmitarray". Paper presented in 13TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP), 2019.
  21. Gomes, Rodolfo; Sobaihi, Khaled; Hammoudeh, Akram; Caldeirinha, Rafael F. S.. "Performance Evaluation of a Dual-Mode OFDM and SC-FDE System at mmWave Enabling Joint Radar and 5G Multi-Gigabit/s Wireless Communications". 2019.
    10.1109/spin.2019.8711709
  22. Jordao, Marina; Belo, Daniel; Caldeirinha, Rafael; Oliveira, Arnaldo S. R.; Carvalho, Nuno Borges. "Characterization of Electromagnetic Coupling Effects in MIMO Antenna Array Beamforming". 2019.
    10.1109/MWSYM.2019.8700814
  23. Reis, Joao R.; Caldeirinha, Rafael F.S.; Hammoudeh, Akram; Copner, Nigel. "Measurements and Modelling of Spatial Diversity using 2D Transmitarray". 2018.
    10.1109/pimrc.2018.8580939
  24. 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". 2018.
    10.1109/pimrc.2018.8580863
  25. Reis, Joao R.; Caldeirinha, Rafael F. S.; Fernandes, Telmo R.; Hammoudeh, Akram. "Enabling Spatial Diversity and Beamsteering with Reduced RF-chains using Reconfigurable Transmitarrays". 2017.
    10.23919/EUCAP.2017.7928529
  26. Reis, J.R.; Caldeirinha, R.F.S.; Fernandes, T.R.; Hammoudeh, A.. "Enabling spatial diversity and beamsteering with reduced RF-chains using reconfigurable transmitarrays". 2017.
    10.23919/EuCAP.2017.7928529
  27. Ferreira, David; Fernandes, Telmo R.; Caldeirinha, Rafael F. S.; Cuinas, Inigo. "Characterization of Wireless Propagation Through Traditional Iberian Brick Walls". 2017.
    10.23919/EUCAP.2017.7928372
  28. Leonor, Nuno; Caldeirinha, Rafael; Sanchez, Manuel; Fernandes, Telmo. "A feasibility study on the extension of the point scatterer formulation to raised canopy forests". 2016.
    10.1109/lapc.2016.7807617
  29. Ferreira, David; Cuinas, Inigo; Caldeirinha, Rafael F. S.; Fernandes, Telmo R.. "A Dual-Band Sine-Square FSS Design". 2016.
    10.1109/EUCAP.2016.7481829
  30. Reis, J.; Al-Daher, R.Z.; Copner, N.; Caldeirinha, R.; Fernandes, T.. "Two-Dimensional Antenna Beamsteering Using Metamaterial Transmitarray". 2015.
  31. Rafael F. S. Caldeirinha. "A Dual-Band Single-Layer Frequency Selective Surface for Wi-Fi applications". 2015.
  32. Leonor, N.; Caldeirinha, R.; Fernandes, T.; Sanchez, M.; Nuno Leonor; Rafael Caldeirinha; Manuel Sanchez; Telmo Fernandes; Sánchez, M.. "A feasibility study on the extension of the point scatterer formulation to vegetation media". 2015.
    10.1109/lapc.2016.7807617
  33. Reis, J.; Al-Daher, R.Z.; Copner, N.; Caldeirinha, R.; Fernandes, T.. "Two-dimensional antenna beamsteering using metamaterial transmitarray". 2015.
  34. Ferreira, D.; Fernandes, T.R.; Cuinas, I.; Caldeirinha, R.F.S.. "A dual-band single-layer frequency selective surface for Wi-Fi applications". 2015.
  35. "A feasibility study on the extension of the point scatterer formulation to vegetation media". 2015.
  36. Gomes, Rodolfo; Paraiso, Pedro; Fernandes, Telmo; Caldeirinha, Rafael; Rodolfo Gomes; Pedro Paraiso; Telmo Fernandes; et al. "Passive phase conjugating array using FR4". 2014.
    10.1109/lapc.2014.6996389
  37. Joao Reis; Zaid Al-Daher; Nigel Copner; Akram Hammoudeh; Rafael Caldeirinha; Telmo Fernandes; Reis, J.; et al. "Two-dimensional transmitarray beamsteering using stacked tunable metamaterials". 2014.
    10.1109/lapc.2014.6996433
  38. Rodolfo Gomes; Zaid Al-Daher; Akram Hammoudeh; Khaled Sobaihi; Rafael Caldeirinha; Telmo Fernandes; Gomes, R.; et al. "Performance and evaluation of OFDM and SC - FDE over an AWGN propagation channel under RF impairments using simulink at 60GHz". 2014.
    10.1109/lapc.2014.6996487
  39. Ferreira, D.; Cuinas, I.; Caldeirinha, R.F.S.; Fernandes, T.R.; David Ferreira; Inigo Cuinas; Rafael F.S. Caldeirinha; et al. "A review on the electromagnetic characterisation of building materials at micro- and millimetre wave frequencies". 2014.
    10.1109/EuCAP.2014.6901713
  40. Ferreira, D.; Cuinñas, I.; Caldeirinha, R.F.S.; Fernandes, T.; Reis, J.; David Ferreira; Inigo Cuinas; et al. "A square loop frequency selective surface parametric study for EC model optimisation". 2014.
    10.1109/LAPC.2014.6996331
  41. Caldeirinha, Rafael. "Passive Phase Conjugating Array-Using FR4". 2014.
  42. Caldeirinha, Rafael. "A Review on the Electromagnetic Characterisation of Building Materials at Micro- and Millimetre Wave Frequencies". 2014.
    10.1109/EUCAP.2014.6901713
  43. Caldeirinha, Rafael. "Investigation of a radio propagation model for vegetation scatter dynamic channels at BFWA frequencies". 2012.
    10.5220/0004069203290339
  44. Morgadinho, S.; Richter, J.; Caldeirinha, R.F.S.; Fernandes, T.R.. "Investigation of a radio propagation model for vegetation scatter dynamic channels at BFWA frequencies". 2012.
  45. S. Morgadinho; J. Richter; R. F. S. Caldeirinha; T. R. Fernandes; Morgadinho, S.; Richter, J.; Caldeirinha, R.F.S.; Fernandes, T.R.. "Investigation of a time-variant dRET model in vegetation: XXIXth URSI general assembly to be held in Chicago, IL, USA, August 7–16, 2008". 2011.
    10.1109/ursigass.2011.6050852
  46. N. Leonor; D. Ferreira; R. Caldeirinha; T. Fernandes; Leonor, N.; Ferreira, D.; Caldeirinha, R.; Fernandes, T.. "A simple scattering model for tree trunks". 2011.
    10.1109/ursigass.2011.6050813
  47. D. Ferreira; R. F. S. Caldeirinha. "Development and performance assessment of a real time high-resolution RF channel sounder". 2011.
    10.1109/igarss.2011.6050171
  48. D. Ferreira; R. F. S. Caldeirinha. "Development and Implementation of a Real Time High-Resolution Channel Sounder - IF Stage". 2011.
    10.1109/vetecs.2011.5956595
  49. Obaidat, M.S.; Caldeirinha, R.; Cabello, E.; Virvou, M.; Ji, H.; Vergados, D.D.. "Foreword". 2011.
  50. Leonor, N.; Caldeirinha, R.; Fernandes, T.; Ferreira, D.; N. Leonor; R. Caldeirinha; T. Fernandes; D. Ferreira. "Modelling and measurements of the directional spectra of scatter signals inside a formation of tree trunks". 2011.
    10.1109/EUROCON.2011.5929341
  51. Ferreira, D.; Caldeirinha, R.F.S.. "Development and implementation of a real time high-resolution channel sounder - IF Stage". 2011.
    10.1109/VETECS.2011.5956595
  52. Feitor, B.; Caldeirinha, R.; Fernandes, T.; Ferreira, D.; Leonor, N.. "Estimation of dielectric concrete properties from power measurements at 18.7 and 60 GHz". 2011.
    10.1109/LAPC.2011.6114146
  53. Morgadinho, S.; Caldeirinha, R.F.S.; Fernandes, T.R.; Richter, J.; S. Morgadinho; R. F. S. Caldeirinha; T. R. Fernandes; J. Richter. "Analysis of the dRET input parameters under varying wind conditions at 20 GHz". 2011.
    10.1109/EUROCON.2011.5929403
  54. Ferreira, D.; Caldeirinha, R.F.S.. "Development and performance analysis of a real time high-resolution channel sounder if stage". 2011.
    10.1109/EUROCON.2011.5929339
  55. Rafael F. S. Caldeirinha. "ON THE APPLICABILITY OF THE dRET MODEL TO THE TRUNK LAYER". 2010.
  56. Rafael F. S. Caldeirinha; Morgadinho, S.; Caldeirinha, R.F.S.; Fernandes, T.R.; Al-Nuaimi, M.O.; Richter, J.. "dRET Modelling of Time-variant Foliage Channels". 2010.
  57. Fernandes, T.; Leonor, N.; Caldeirinha, R.; Richter, J.; Al-Nuaimi, M.. "On the applicability of the dRET model to the trunk layer". 2010.
  58. Caldeirinha, R.; Obaidat, M.S.. "WINSYS 2010 - Proceedings of the International Conference on Wireless Information Networks and Systems: Foreword". 2010.
  59. R. F. S. Caldeirinha; T. R. Fernandes; N. Leonor; D. Ferreira. "Extension of the dRET Model to Include Scattering from Tree Trunks in Microcell Urban Mobile Scenarios". 2010.
    10.1109/vetecs.2010.5494113
  60. Cui, H.; Caldeirinha, R.; Richter, J.; Huaj Cui; Rafael Caldeirinha; Juergen Richter. "A deconvolution method to remove distortion caused by antenna radiation pattern from measurement". 2010.
    10.1109/IWAT.2010.5464685
  61. Caldeirinha, R.F.S.; Fernandes, T.R.; Leonor, N.; Ferreira, D.. "Extension of the dRET model to include scattering from tree trunks in microcell urban mobile scenarios". 2010.
    10.1109/VETECS.2010.5494113
  62. Silva, Pedro M. Mestre A.; Paralta, Maximino; Caldeirinha, Rafael; Rodrigues, Jorge; Serodio, Carlos M.J.A.. "Traceme — indoor real-time location system". 2009.
    10.1109/iecon.2009.5415425
  63. Caldeirinha, R.; Obaidat, M.S.. "ICETE 2009 - International Joint Conference on e-Business and Telecommunications: Foreword". 2009.
  64. Caldeirinha, R.; Obaidat, M.S.; Vasiu, L.; Filipe, J.; Obaidat, M.. "WINSYS 2009 - International Conference on Wireless Information Networks and Systems, Proceedings: Foreword". 2009.
  65. Mestre A Silva, P.M.; Paralta, M.; Caldeirinha, R.; Rodrigues, J.; Serôdio, C.M.J.A.. "TraceMe - Indoor real-time location system". 2009.
    10.1109/IECON.2009.5415425
  66. Huajian Cui; Jürgen Richter; Miqdad Al-Nuaimi; Rafael Caldeirinha; Cui, H.; Richter, J.; Al-Nuaimi, M.; Caldeirinha, R.. "Restoration of the RET Phase Function Using Deconvolution". 2008.
    10.1109/ngmast.2008.47
  67. Morgadinho, S.; Caldeirinha, R.F.S.; Cuiñas, I.; Sanchéz, M.. "A statistical radio channel model for vegetation dynamic effects at 40GHz". 2007.
  68. Cuiñas, I.; Alejos, A.V.; Sánchez, M.G.; Gómez, P.; Caldeirinha, R.F.S.; Inigo Cuiras; Ana V. Alejos; et al. "Wind effect on the scattering from vegetation at cellular phone frequencies". 2007.
    10.1109/IGARSS.2007.4422807
  69. Morgadinho, S.; Caldeirinha, R.F.S.; Cuiñas, I.; Sanchez, M.. "A reduced Markov channel modelling of vegetation in the forward scattering region at 40 GHz". 2007.
    10.1049/ic.2007.1553
  70. Caldeirinha, Rafael. "Modelling radio wave propagation through vegetation media: a comparison between RET and dRET models". 2007.
    10.1049/IC.2007.1625
  71. Caldeirinha, Rafael. "A reduced Markov channel modelling of vegetation in the forward scattering region at 40 GHz". 2007.
    10.1049/IC.2007.1553
  72. T. Fernandes; R. Caldeirinha; M. Al-Nuaimi; J. Richter. "RET Scattering Function Optimisation in Vegetation Media using Inverse Convolution". 2006.
    10.1109/igarss.2006.262
  73. R. Caldeirinha; S. Morgadinho; L. Frazao; I. Cuinas; M. Sanchez; M. Al-Nuaimi. "Wind Incidence Effects on Channel Dynamics in Vegetation Media at 40 GHz". 2006.
    10.1109/igarss.2006.266
  74. Assunção, P.; Lopes, C.; Caldeirinha, R.F.S.. "A b-learning approach for Electrical Engineering based on wireless access to pedagogical e-content". 2006.
  75. Fernandes, T.R.; Caldeirinha, R.F.S.; Al-Nuaimi, M.O.; Richter, J.; Telmo Fernandes; Rafael S. Caldeirinha; M. Al-nuaimi; Jurgen Richter. "Radiative Energy Transfer based model for radiowave propagation in inhomogeneous forests". 2006.
    10.1109/VTCF.2006.54
  76. Fernandes, T.R.; Caldeirinha, R.F.S.; Al-Nuaimi, M.O.; Richter, J.. "RET scattering function optimisation in vegetation media using inverse convolution". 2006.
    10.1109/IGARSS.2006.262
  77. Caldeirinha, R.F.S.; Morgadinho, S.; Frazão, L.; Cuiñas, I.; Sanchéz, M.; Al-Nuaimi, M.O.. "Wind incidence effects on channel dynamics in vegetation media at 40 GHz". 2006.
    10.1109/IGARSS.2006.266
  78. Pedro A. Amado Assuncao; Rafael F. S. Caldeirinha. "A B-LEARNING APPROACH FOR ELECTRICAL ENGINEERING BASED ON WIRELESS ACCESS TO PEDAGOGICAL E-CONTENT". 2006.
    10.5220/0001573402770286
  79. J. Richter; R.F.S. Caldeirinha; M.O. Al-Nuaimi; A. Seville; N.C. Rogers; N. Savage; Richter, J.; et al. "A Generic Narrowband Model for Radiowave Propagation through Vegetation". 2005.
    10.1109/vetecs.2005.1543245
  80. T.R. Fernandes; R.F.S. Caldeirinha; J. Richter; M.O. Al-Nuaimi; Fernandes, T.R.; Caldeirinha, R.F.S.; Richter, J.; Al-Nuaimi, M.O.. "Modelling of directional spectra in vegetation media using RET theory". 2005.
    10.1109/aps.2005.1551544
  81. Richter, J.; Caldeirinha, R.F.S.; Al-Nuaimi, M.O.; Seville, A.; Rogers, N.C.; Savage, N.. "A generic narrowband model for radiowave propagation through vegetation". 2005.
  82. Crespo, L.; Amado, T.M.; Caldeirinha, R.F.S.; Assuncao, P.A.A.. "Indoor radio WLAN performance in multimedia communications". 2004.
    10.1049/cp:20040706
  83. Fernandes, T.R.; Caldeirinha, R.F.S.; Richter, J.; Al-Nuaimi, M.O.; T.R. Fernandes; R.F.S. Caldeirinha; J. Richter; M.O. Al-Nuaimi. "A discrete model for radiowave scattering in vegetation screens at millimetric wave frequencies". 2004.
    10.1109/pimrc.2004.1368318
  84. Caldeirinha, Rafael. "Indoor radio WLAN performance in multimedia communications". 2004.
    10.1049/CP:20040706
  85. Caldeirinha, Rafael. "A discrete model for radiowave scattering in vegetation screens at millimetric wave frequencies". 2004.
    10.1109/PIMRC.2004.1368318
  86. R.F.S. Caldeirinha; M.O. Al-Nuaim; Caldeirinha, R.F.S.; Al-Nuaimi, M.O.. "Propagation modelling of bistatic scattering of isolated trees for micro- and millimeter wave urban microcells". 2002.
    10.1109/pimrc.2002.1046676
  87. J. Richter; M. Al-Nuaimi; R. Caldeirinha; Richter, J.; Al-Nuaimi, M.; Caldeirinha, R.. "Phase function measurement for modelling radiowave attenuation and scatter in vegetation based on the theory of radiative energy transfer". 2002.
    10.1109/pimrc.2002.1046678
  88. H. St Michael; M.O. Al-Nuaimi; R. Caldeirinha; St. Michael, H.; Al-Nuaimi, M.O.; Caldeirinha, R.F.; St Michael, H.; Caldeirinha, R.. "Radiative energy transfer prediction of excess attenuation of microwave radio signals in a regularly planted orchard". 2001.
    10.1109/hfpsc.2001.962181
  89. Caldeirinha, Rafael. "Radiative energy transfer prediction of excess attenuation of microwave radio signals in a regularly planted orchard.". 2001.
    10.1109/HFPSC.2001.962181
  90. R. Caldeirinha. "Modelling of the re-radiation functions of single trees based on wideband measurements at L-band". 2001.
    10.1049/cp:20010273
  91. R. Caldeirinha. "A novel FDTD based model for prediction of bistatic RCS of single leaves and trees". 2001.
    10.1049/cp:20010400
  92. Caldeirinha, Rafael. "A novel FDTD based model for prediction of bistatic RCS of single leaves and trees". 2001.
    10.1049/CP:20010400
  93. Caldeirinha, Rafael. "Modelling of the re-radiation functions of single trees based on wideband measurements at L-band". 2001.
    10.1049/CP:20010273
  94. Caldeirinha, R.; Al-Nuaimi, M.O.; R. Caldeirinha; M.O. Al-Nuaimi. "Co-polar and cross-polar measurements of the re-radiation signal at 20 GHz from a tree and their analysis in the region around the nulls". 1999.
    10.1109/nrsc.1999.760868
  95. Caldeirinha, Rafael. "Co-polar and cross-polar measurements of the re-radiation signal at 20 GHz from a tree and their analysis in the region around the nulls". 1999.
    10.1109/NRSC.1999.760868
  96. Stephens, R.B.L.; Al-Nuaimi, M.O.; Caldeirinha, R.; R.B.L. Stephens; M.O. Al-Nuaimi; R. Caldeirinha. "Characterisation of depolarisation of radio signals by single trees at 20 GHz". 1998.
    10.1109/nrsc.1998.711457
  97. Caldeirinha, Rafael. "Characterisation of depolarisation of radio signals by single trees at 20 GHz". 1998.
    10.1109/NRSC.1998.711457
Journal article
  1. João M. Felício; Tomás S. Costa; Mário Vala; Nuno Leonor; Jorge R. Costa; Paulo Marques; António A. Moreira; et al. "Feasibility of Radar-based Detection of Floating Macroplastics at Microwave Frequencies". IEEE Transactions on Antennas and Propagation (2024): https://doi.org/10.1109/TAP.2023.3347031.
    10.1109/TAP.2023.3347031
  2. Saúl S. Carvalho; João R. V. Reis; Artur Mateus; Rafael F. S. Caldeirinha. "Exploring Design Approaches for 3D Printed Antennas". IEEE Access (2024): https://doi.org/10.1109/ACCESS.2024.3354372.
    10.1109/ACCESS.2024.3354372
  3. Mário Vala; Stefânia Faria; Pedro Coimbra; Nuno Leonor; João M. Felício; Carlos A. Fernandes; Carlos Eduardo do Rego Da Costa Salema; Rafael F. S. Caldeirinha. "Effects of Fire Plumes From Pine Needles on Small-Scale Fading in Radiowave Propagation". IEEE Transactions on Antennas and Propagation (2023): https://doi.org/10.1109/TAP.2023.3238130.
    10.1109/TAP.2023.3238130
  4. Stefânia Faria; Mário Vala; Pedro Coimbra; Nuno Leonor; João M. Felício; Carlos A. Fernandes; Carlos Salema; Rafael F. S. Caldeirinha. "Measurement Trials and Modeling of Radio Propagation Through Small-Scale Fire Using Pinus pinaster Fuel Bed". IEEE Antennas and Wireless Propagation Letters (2023): https://doi.org/10.1109/LAWP.2022.3218935.
    10.1109/LAWP.2022.3218935
  5. Tiago Emanuel Oliveira; João Ricardo Reis; Rafael Ferreira Silva Caldeirinha. "Implementation of a WSN for Environmental Monitoring: From the Base Station to the Small Sensor Node". Sensors (2022): https://doi.org/10.3390/s22207976.
    10.3390/s22207976
  6. Nuno R. Leonor; Stefânia Faria; Glaucio Ramos; Pedro V. Gonzalez Castellanos; Carlos Rodríguez; Luiz da Silva Mello; Rafael F. S. Caldeirinha. "Site-Specific Radio Propagation Model for Macrocell Coverage at Sub-6 GHz Frequencies". IEEE Transactions on Antennas and Propagation (2022): https://doi.org/10.1109/TAP.2022.3184416.
    10.1109/TAP.2022.3184416
  7. Nuno Leonor; Stefania Faria; Mario Vala; Rafael F. S. Caldeirinha. "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): https://doi.org/10.1109/LAWP.2022.3179625.
    10.1109/LAWP.2022.3179625
  8. "Radio Transparency Control of Road Electromagnetic Barriers for C-V2X Communications". (2022): https://publons.com/wos-op/publon/53527812/.
  9. Oliveira, Tiago E. S.; Vala, Mario; Faria, Stefania; Reis, Joao R.; Leonor, Nuno; Caldeirinha, Rafael F. S.. "A Study on Small Sensor Node Antenna Performance Camouflaged Under Grassland Fire". IFIP Advances in Information and Communication Technology (2022): https://publons.com/wos-op/publon/52234202/.
    10.1007/978-3-030-96466-5_6
  10. João Ricardo Reis; Mário Vala; Tiago Emanuel Oliveira; Telmo Rui Fernandes; Rafael Ferreira Silva Caldeirinha. "Metamaterial-Inspired Flat Beamsteering Antenna for 5G Base Stations at 3.6 GHz". Sensors (2021): https://doi.org/10.3390/s21238116.
    10.3390/s21238116
  11. Bram Decoster; Stephanie Maes; Iñigo Cuiñas; Manuel García Sánchez; Rafael Caldeirinha; Jo Verhaevert. "Dual-Band Single-Layer Fractal Frequency Selective Surface for 5G Applications". Electronics (2021): https://doi.org/10.3390/electronics10222880.
    10.3390/electronics10222880
  12. João R. Reis; Carlos Ribeiro; Rafael F. S. Caldeirinha. "Compact 3D-printed reflector antenna for radar applications at K-band". IET Microwaves, Antennas & Propagation (2021): https://doi.org/10.1049/mia2.12095.
    10.1049/mia2.12095
  13. Marina Jordão; Rafael Caldeirinha; Arnaldo S. R. Oliveira; Nuno Borges Carvalho. "A Survey on Over-The-Air Linearization Methods for MIMO Systems". Energies 14 8 (2021): 2225-2225. https://doi.org/10.3390/en14082225.
    10.3390/en14082225
  14. Marina Jordão; Daniel Belo; Rafael F. S. Caldeirinha; Arnaldo S. R. Oliveira; Nuno B. Carvalho. "Active reflection coefficients characterization system for multiple input multiple output antennas". IET Microwaves, Antennas & Propagation (2021): https://doi.org/10.1049/mia2.12078.
    10.1049/mia2.12078
  15. Jordao, Marina; Belo, Daniel; Caldeirinha, Rafael F. S.; Oliveira, Arnaldo S. R.; de Carvalho, Nuno Borges. "Over-the-Air Calibration of Active Antenna Arrays Using Multisine". IEEE Transactions on Microwave Theory and Techniques 69 1 (2021): 431-442. http://dx.doi.org/10.1109/tmtt.2020.3032900.
    10.1109/tmtt.2020.3032900
  16. "RF-dc Converter Optimization using MIMO Antennas and OTA Multi-Sine Calibration Method". (2021): https://publons.com/publon/49146564/.
    10.1109/ARFTG49670.2021.9425097
  17. "Analytical Studies of Refractive Index Variation in Pine Needles Media under Wildfire Conditions". (2021): https://publons.com/publon/49146563/.
    10.23919/EUCAP51087.2021.9411452
  18. "A Physical Tuneable Wooden Pole Fence for Radio Transparency Control". (2021): https://publons.com/publon/51889785/.
  19. Ribeiro, Carlos; Gomes, Rodolfo; Duarte, Luís; Hammoudeh, Akram; Caldeirinha, Rafael F.S.; Caldeirinha, Rafael. "Multi-Gigabit/s OFDM real-time based transceiver engine for emerging 5G MIMO systems". Physical Communication 38 (2020): 100957. http://dx.doi.org/10.1016/j.phycom.2019.100957.
    10.1016/j.phycom.2019.100957
  20. Duarte, Luis; Gomes, Rodolfo; Ribeiro, Carlos; Caldeirinha, Rafael F. S.. "A Software-Defined Radio for Future Wireless Communication Systems at 60 GHz". Electronics 8 12 (2019): 1490. http://dx.doi.org/10.3390/electronics8121490.
    10.3390/electronics8121490
  21. 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
  22. Reis, Joao Ricardo; Ribeiro, Carlos; Duarte, Luis Diogo; Gomes, Rodolfo; Caldeirinha, Rafael F. S.. "Performance Evaluation of OFDM Data Transmission Using a 2D Beamsteering Transmitarray". International Journal on Communications Antenna and Propagation (IRECAP) 9 2 (2019): 117. http://dx.doi.org/10.15866/irecap.v9i2.16597.
    10.15866/irecap.v9i2.16597
  23. David Ferreira; Inigo Cuinas; Telmo R. Fernandes; Rafael F.S. Caldeirinha. "Multi-Semicircle-Based Single- and Dual-Band Frequency-Selective Surfaces: Achieving Narrower Bandwidth and Improved Oblique Incidence Angular Stability". IEEE Antennas and Propagation Magazine 61 2 (2019): 32-39. https://doi.org/10.1109/MAP.2019.2895661.
    10.1109/MAP.2019.2895661
  24. Bhattacharya, Ankan; Roy, Bappadittya; Caldeirinha, Rafael F. S.; Bhattacharjee, Anup K.. "Low-profile, extremely wideband, dual-band-notched MIMO antenna for UWB applications". International Journal of Microwave and Wireless Technologies 11 7 (2019): 719-728. http://dx.doi.org/10.1017/s1759078719000266.
    10.1017/s1759078719000266
  25. Joao R. Reis; Mario Vala; Rafael F. S. Caldeirinha. "Review Paper on Transmitarray Antennas". IEEE Access 7 (2019): 94171-94188. https://doi.org/10.1109/ACCESS.2019.2924293.
    10.1109/ACCESS.2019.2924293
  26. Caldeirinha, Rafael. "Low-profile, extremely wideband, dual band-notched MIMO antenna for UWB applications". International Journal of Microwave and Wireless Technologies - - (2019): -------.
    10.1017/S1759078719000266
  27. Caldeirinha, Rafael. "Multi-Semicircle based Single- and Dual-Band Narrowband Frequency Selective Surfaces". IEEE Antennas and Propagation Magazine 1 1 (2019): 1-1.
    10.1109/MAP.2018.2859190
  28. Caldeirinha, Rafael. "A 3-D Model for Millimeter-Wave Propagation Through Vegetation Media Using Ray-Tracing". IEEE Transactions on Antennas and Propagation (2019): https://publons.com/publon/28440136/.
  29. Caldeirinha, Rafael F. S.; Reis, Joao R.; Sardo, Andre; Duarte, Luis; Leonor, Nuno; Gil, Joao; Ribeirot, Carlos. "Disruptive Future of Radar Based on All-Digital PN Signal Processing". PROCEEDINGS OF THE IEEE-APS TOPICAL CONFERENCE ON ANTENNAS AND PROPAGATION IN WIRELESS COMMUNICATIONS (IEEE APWC' 19) (2019): https://publons.com/publon/33973020/.
    10.1109/APWC.2019.8870463
  30. "On the Practical Limitations of Electronic Beamsteering using Metamaterials at 28 GHz". (2019): https://publons.com/publon/49146562/.
    10.1109/APWC.2019.8870409
  31. "A 3D Model for Millimeter-Wave Propagation Through Vegetation Media Using Ray-Tracing". IEEE Trans. on Antennas and Propagation N/A N/A (2019): N/A-N/A.
    10.1109/TAP.2019.2905957
  32. Gomes, Rodolfo; Reis, Joao; Al-Daher, Zaid; Hammoudeh, Akram; Caldeirinha, Rafael F.S.. "5G: performance and evaluation of FS-FBMC against OFDM for high data rate applications at 60 GHz". IET Signal Processing 12 5 (2018): 620-628. http://dx.doi.org/10.1049/iet-spr.2016.0671.
    10.1049/iet-spr.2016.0671
  33. Caldeirinha, Rafael. "A discrete RET Model for Millimeter-Wave Propagation through Vegetation". IEEE Trans. on Antennas and Propagation (2018): http://www.it.pt/Publications/PaperJournal/27740.
    10.1109/TAP.2018.2806393
  34. Caldeirinha, Rafael. "Hollow clay brick wall propagation analysis and modified brick design for enhanced WiFi coverage". IEEE Trans. on Antennas and Propagation (2018): http://www.it.pt/Publications/PaperJournal/21617.
    10.1109/TAP.2017.2772028
  35. Gomez-Perez, Paula; Caldeirinha, Rafael F. S.; Rui Fernandes, Telmo; Cuinas, Inigo. "Using artificial neural networks to scale and infer vegetation media phase functions". Neural Computing and Applications (2018): https://publons.com/publon/1646211/.
    10.1007/S00521-016-2778-6
  36. Choudhary, Dilip Kumar; Chaudhary, Raghvendra Kumar. "A compact CPW-based dual-band filter using modified complementary split ring resonator". AEÜ - International Journal of Electronics and Communications (2018): https://publons.com/publon/981568/.
    10.1016/J.AEUE.2018.03.032
  37. Gomes, Rodolfo; Reis, Joao; Al-Daher, Zaid; Hammoudeh, Akram; Caldeirinha, Rafael F. S.. "5G: performance and evaluation of FS-FBMC against OFDM for high data rate applications at 60GHz". IET Signal Processing (2018): https://publons.com/publon/1726753/.
    10.1049/IET-SPR.2016.0671
  38. Caldeirinha, Rafael. "Will COTS RF front-ends really cope with 5G requirements at mmWave?". IEEE Access 6 - (2018): 38745-38769.
    10.1109/ACCESS.2018.2851781
  39. Caldeirinha, Rafael. "A Review of Manufacturing Materials and Production Methods for Frequency-Selective Structures [Wireless Corner]". IEEE Antennas and Propagation Magazine 60 6 (2018): 110-119.
    10.1109/MAP.2018.2870583
  40. Caldeirinha, Rafael. "A 2D Ray-Tracing Based Model for Wave Propagation Through Forests at Microand Millimeter Wave Frequencies". IEEE Access 6 1 (2018): 32097-32108.
    10.1109/ACCESS.2018.2836223
  41. Gomes, Rodolfo; Hammoudeh, Akram; Caldeirinha, Rafael F.S.; Al-Daher, Zaid; Fernandes, Telmo; Reis, Joao. "Towards 5G: Performance evaluation of 60 GHz UWB OFDM communications under both channel and RF impairments". Physical Communication 25 (2017): 527-538. http://dx.doi.org/10.1016/j.phycom.2017.10.011.
    10.1016/j.phycom.2017.10.011
  42. Reis, Joao R.; Caldeirinha, Rafael F. S.; Hammoudeh, Akram; Copner, Nigel. "Electronically Reconfigurable FSS-Inspired Transmitarray for 2-D Beamsteering". IEEE Transactions on Antennas and Propagation 65 9 (2017): 4880-4885. http://dx.doi.org/10.1109/tap.2017.2723087.
    10.1109/tap.2017.2723087
  43. Ferreira, David; Pires, Pedro; Rodrigues, Ruben; Caldeirinha, Rafael F.S.. "Wearable Textile Antennas: Examining the effect of bending on their performance.". IEEE Antennas and Propagation Magazine 59 3 (2017): 54-59. http://dx.doi.org/10.1109/map.2017.2686093.
    10.1109/map.2017.2686093
  44. Caldeirinha, Rafael F.S.; Al-Nuaimi, Miqdad O.. "Depolarisation studies of single trees at 20 GHz". IET Microwaves, Antennas & Propagation 11 9 (2017): 1227-1233. http://dx.doi.org/10.1049/iet-map.2016.0574.
    10.1049/iet-map.2016.0574
  45. Caldeirinha, Rafael. "Tunable square slot FSS EC modelling and optimisation". IET Microwaves Antennas & Propagation (2017): http://www.it.pt/Publications/PaperJournal/20193.
    10.1049/iet-map.2016.0540
  46. Caldeirinha, Rafael; Nuno R. Leonor; Rafael F.S. Caldeirinha; Manuel Garcia Sanchez; Telmo R. Fernandes. "A Two-Dimensional Ray-Tracing-Based Model for Propagation Through Vegetation: A practical assessment using ornamental plants at 60 GHz. [Wireless Corner]". IEEE Antennas and Propagation Magazine 59 1 (2017): 145-150. http://www.it.pt/Publications/PaperJournal/19035.
    10.1109/MAP.2016.2629839
  47. Caldeirinha, Rafael; David Ferreira; Inigo Cuinas; Rafael F. S. Caldeirinha; Telmo R. Fernandes. "3-D Mechanically Tunable Square Slot FSS". IEEE Trans. on Antennas and Propagation (2017): 1-1. http://www.it.pt/Publications/PaperJournal/20170.
    10.1109/TAP.2016.2631131
  48. R. F. S. Caldeirinha; Miqdad Al-Nuaimi; Caldeirinha, Rafael. "Cross-polarisation discrimination studies of single trees at 20 and 62.4GHz". IET Microwaves, Antennas and Propagation (2017): https://publons.com/publon/621348/.
    10.1049/IET-MAP.2016.0571
  49. Paula Gómez-Pérez; Marcos Crego-García; Iñigo Cuiñas; Rafael F. S. Caldeirinha; Caldeirinha, Rafael. "Modeling and inferring the attenuation induced by vegetation barriers at 2G/3G/4G cellular bands using Artificial Neural Networks". Measurement (2017): https://publons.com/publon/1646208/.
    10.1016/J.MEASUREMENT.2016.12.014
  50. Telmo R. Fernandes; Jürgen Richter; Miqdad O. Al-Nuaimi; R. F. S. Caldeirinha. "Simplified RET model derived from path loss and directional spectrum measurements in vegetation media at 11.2 and 20 GHz". IET Microwaves, Antennas and Propagation (2017): https://publons.com/publon/621349/.
    10.1049/IET-MAP.2015.0776
  51. Caldeirinha, Rafael. "Input parameter extraction method for point scatterer formulation in vegetation media at millimetre-wave frequencies". IET Microwaves Antennas & Propagation 11 2 (2017): 165-170.
    10.1049/iet-map.2016.0504
  52. Rafael F. S. Caldeirinha; Miqdad O. Al-Nuaimi. "Depolarisation studies of single trees at 20 GHz". IET Microwaves, Antennas and Propagation (2017): https://publons.com/publon/1646203/.
    10.1049/IET-MAP.2016.0574
  53. Gomes, Rodolfo; Hammoudeh, Akram; Caldeirinha, Rafael F. S.; Al-Daher, Zaid; Fernandes, Telmo; Reis, Joao. "Towards 5G: Performance evaluation of 60 GHz UWB OFDM communications under both channel and RF impairments". Physical Communication (2017): https://publons.com/publon/1073558/.
    10.1016/J.PHYCOM.2017.10.011
  54. Caldeirinha, Rafael. "Wearable Textile Antennas: Examining the effect of bending on their performance.". IEEE Antennas and Propagation Magazine 59 3 (2017): 54-59.
    10.1109/MAP.2017.2686093
  55. Nick Bassiliades; Rafael F. S. Caldeirinha; Calvin Kalman; Rui B Melo; Michal Smialek. "FOREWORD". Journal of Empirical Legal Studies (2017): https://publons.com/publon/2355369/.
    10.1111/JELS.12159
  56. Caldeirinha, Rafael. "Using Artificial Neural Networks to Scale and Infer Vegetation Media Phase Functions". Neural Computing and Applications (2016): http://www.it.pt/Publications/PaperJournal/20199.
    10.1007/s00521-016-2778-6
  57. Caldeirinha, Rafael. "60 GHz channel characterisation and key performance evaluation of HD video transmission". IET Microwaves Antennas & Propagation (2016): http://www.it.pt/Publications/PaperJournal/18946.
    10.1049/iet-map.2016.0226
  58. Caldeirinha, Rafael; Joao R. Reis; Nigel Copner; Akram Hammoudeh; Zaid Muhi-Eldeen Al-Daher; Rafael F. S. Caldeirinha; Telmo R. Fernandes; Rodolfo Gomes. "FSS-inspired Transmitarray for Two Dimensional Antenna Beamsteering". IEEE Trans. on Antennas and Propagation 64 6 (2016): 2197-2206. http://www.it.pt/Publications/PaperJournal/18868.
    10.1109/TAP.2016.2543802
  59. Caldeirinha, Rafael; David Ferreira; Luis Sismeiro; Adelino Ferreira; Rafael F.S. Caldeirinha; Telmo R. Fernandes; Inigo Cuinas. "Hybrid FSS and rectenna design for wireless power harvesting". IEEE Trans. on Antennas and Propagation 64 5 (2016): 2038-2042. http://www.it.pt/Publications/PaperJournal/18857.
    10.1109/TAP.2016.2536168
  60. Caldeirinha, Rafael. "A Three-dimensional Directive Antenna Pattern Interpolation Method". IEEE Antennas and Wireless Propagation Letters 15 1 (2016): 881-884.
    10.1109/LAWP.2015.2478962
  61. Ferreira, David; Cuinas, Inigo; Caldeirinha, Rafael F. S.; Fernandes, Telmo R.. "Dual-band single-layer quarter ring frequency selective surface for Wi-Fi applications". IET Microwaves, Antennas and Propagation (2016): https://publons.com/publon/621354/.
    10.1049/IET-MAP.2015.0641
  62. Caldeirinha, Rafael. "Retrieving Vegetation Re-Radiation Patterns by means of Artificial Neural Networks". IEEE Antennas and Wireless Propagation Letters 15 99 (2016): 1097-1100.
    10.1109/LAWP.2015.2493515
  63. Caldeirinha, Rafael. "Dual-Band Single-Layer Quarter Ring Frequency Selective Surface for Wi-Fi applications". IET Microwaves Antennas & Propagation 10 4 (2016): 435-441.
    10.1049/iet-map.2015.0641
  64. Nuno R. Leonor; Rafael F. S. Caldeirinha; Telmo R. Fernandes; Manuel Garcia Sanchez. "A Simple Model for Average Reradiation Patterns of Single Trees Based on Weighted Regression at 60 GHz". IEEE Transactions on Antennas and Propagation 63 11 (2015): 5113-5118. http://dx.doi.org/10.1109/TAP.2015.2474126.
    10.1109/TAP.2015.2474126
  65. Nuno R. Leonor; David Ferreira; Rafael F. S. Caldeirinha; Telmo R. Fernandes; Manuel Garcia Sanchez. "Extension of the dRET Model to Forests of Thin Cylinders". IEEE Trans. Antennas Propagat. 63 9 (2015): 4049-4056. http://dx.doi.org/10.1109/tap.2015.2448752.
    10.1109/tap.2015.2448752
  66. Caldeirinha, Rafael F. S.; Al-Nuaimi, Miqdad O.. "Microwave Propagation Modeling and Measurement of Scattering and Absorption Inside a Canopy Using the FDTD Technique". IEEE Transactions on Antennas and Propagation 63 1 (2015): 280-293. http://dx.doi.org/10.1109/tap.2014.2365571.
    10.1109/tap.2014.2365571
  67. David Ferreira; Rafael Caldeirinha; Inigo Cuinas; Telmo Fernandes. "Square Loop and Slot Frequency Selective Surfaces Study for Equivalent Circuit Model Optimization". IEEE Trans. Antennas Propagat. (2015): 1-1. http://dx.doi.org/10.1109/tap.2015.2444420.
    10.1109/tap.2015.2444420
  68. Paula Gomez-Perez; Rafael Caldeirinha; Telmo Fernandes; Inigo Cuinas. "Retrieving Vegetation Re-Radiation Patterns by means of Artificial Neural Networks". Antennas Wirel. Propag. Lett. (2015): 1-1. http://dx.doi.org/10.1109/lawp.2015.2493515.
    10.1109/lawp.2015.2493515
  69. Nuno Leonor; Rafael Caldeirinha; Manuel Sanchez; Telmo Fernandes. "A Three-dimensional Directive Antenna Pattern Interpolation Method". Antennas Wirel. Propag. Lett. (2015): 1-1. http://dx.doi.org/10.1109/lawp.2015.2478962.
    10.1109/lawp.2015.2478962
  70. Caldeirinha, Rafael. "Microwave Propagation Modeling and Measurement of Scattering and Absorption Inside a Canopy Using the FDTD Technique". IEEE Trans. on Antennas and Propagation 63 1 (2015): 1-14.
    10.1109/TAP.2014.2365571
  71. Caldeirinha, Rafael. "Real-time high-resolution radio frequency channel sounder based on the sliding correlation principle". IET Microwaves Antennas & Propagation 9 8 (2015): 837-846.
    10.1049/IET-MAP.2014.0165
  72. Caldeirinha, Rafael. "Extension of the dRET model to forests of thin cylinders". IEEE Trans. on Antennas and Propagation 63 9 (2015): 4049-4056.
    10.1109/TAP.2015.2448752
  73. Nuno R. Leonor; Rafael F. S. Caldeirinha; Telmo R. Fernandes; David Ferreira; Manuel Garcia Sanchez. "A 2D Ray-Tracing Based Model for Micro- and Millimeter-Wave Propagation Through Vegetation". IEEE Trans. Antennas Propagat. 62 12 (2014): 6443-6453. http://dx.doi.org/10.1109/tap.2014.2362124.
    10.1109/tap.2014.2362124
  74. Caldeirinha, Rafael. "Time-Variant Radio Channel Characterization and Modelling of Vegetation Media at Millimeter-Wave Frequency". IEEE Trans. on Antennas and Propagation 60 3 (2012): 1557-1568.
    10.1109/TAP.2011.2180301
  75. Caldeirinha, Rafael. "Shrub-blown time variability in attenuation and scattering at cellular frequencies". IET Microwaves Antennas & Propagation 4 5 (2010): 526-542.
    10.1049/iet-map.2009.0116
  76. Rafael F. S. Caldeirinha. "TraceMe - Indoor Real-Time Location System". IECON: 2009 35TH ANNUAL CONFERENCE OF IEEE INDUSTRIAL ELECTRONICS, VOLS 1-6 (2009): https://publons.com/publon/6319889/.
  77. Rafael F. S. Caldeirinha. "E-Business and Telecommunication Networks". WINSYS - International Conference on Wireless Information Networks and Systems, Proceedings (2008): https://publons.com/publon/1646247/.
    10.1007/978-3-540-70760-8
  78. Fernandes, T.R.; Caldeirinha, R.F.S.; Al-Nuaimi, M.; Richter, J.. "A discrete RET model for millimeter-wave propagation in isolated tree formations". IEICE Transactions on Communications E88-B 6 (2005): 2411-2417. http://www.scopus.com/inward/record.url?eid=2-s2.0-25844500853&partnerID=MN8TOARS.
    10.1093/ietcom/e88-b.6.2411
  79. Rafael F. S. Caldeirinha. "A Discrete RET model for Millimeter-Wave Propagation in Isolated Tree Formations". IEICE Trans. on Communications (2005): https://publons.com/publon/1726754/.
    10.1093/IETCOM/E88–B.6.2411
  80. J. Richter; Rafael F. S. Caldeirinha; M.O. Al-Nuaimi; A. Seville; N.C. Rogers; N. Savage. "A generic narrowband model for radiowave propagation through vegetation". VTC2005-SPRING IEEE 61ST VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5, PROCEEDINGS (2005): https://publons.com/publon/1646245/.
    10.1109/VETECS.2005.1543245
  81. Caldeirinha, Rafael. "A Discrete RET model for Millimeter-Wave Propagation in Isolated Tree Formations". IEICE Trans. on Communications E88-B 6 (2005): 2411-2418.
    10.1093/ietcom/e88–b.6.2411
  82. Rafael F. S. Caldeirinha. "A Discrete RET model for Millimeter-Wave Propagation in Isolated Tree Formations". IEICE Trans. on Communications (2005): https://publons.com/publon/1726754/.
    10.1093/IETCOM/E88–B.6.2411
  83. Rafael F. S. Caldeirinha; Peter J. Morgan; Sabine Timpf; Daniel Martin; Ahmed F Zobaa. "Untitled - Foreward". Journal of Neuroendocrinology (2003): https://publons.com/publon/1809126/.
    10.1046/J.1365-2826.2003.01015.X
  84. Staffan Ström; Akira Ishimaru. "Foreword". Radio Science (2003): https://publons.com/publon/27244969/.
    10.1029/2002RS002796
Thesis / Dissertation
  1. Vala, Mário António Patrício Carreira. "ELECTRONICAL LY RECONFIGURABLE FS S - INSPIRED TRANSMITARRAY FOR TWO DIMENS IONAL BEAMSTEERING FOR 5G ANDRADAR APPL ICATIONS AT 2 8 GHZ". Master, 2019. http://hdl.handle.net/10400.8/4321.
  2. Sismeiro, Luís Eduardo de Sousa. "End-to-end 5G testbed characterisation and improvements at 60GHz". Master, 2018. http://hdl.handle.net/10400.8/3602.
  3. Pires, Pedro Alexandre Seabra. "Simulation framework for multigigabit applications at 60 GHz". Master, 2017. http://hdl.handle.net/10400.8/2679.
  4. Justino, Amílcar da Silva. "Planeamento de redes móveis de banda larga – Caso de estudo do Campus 2 do IPLeiria". Master, 2014. http://hdl.handle.net/10400.8/1771.
  5. Gomes, Hugo Miguel Cravo. "Study of the impact from nonlinear distortion in radio receiver architectures". PhD, 2012. http://hdl.handle.net/10773/8773.
  6. Paralta, Maximino da Silva. "TraceMe Sistema de localização de pessoas e objectos". Master, 2008. http://hdl.handle.net/10348/211.
Activities

Supervision

Thesis Title
Role 		Degree Subject (Type)
Institution / Organization
2017/09/01 - 2021/12/02 Characterisation of mMIMO Antennas
Co-supervisor of Marina Daniela da Cruz Jordão
 Programa doutoral em engenharia eletrotécnica (PhD)
Universidade de Aveiro, Portugal
2016/05 - 2020/05 Critical Analysis and Prototyping of Proposed Disruptive Technologies for Next Generation (5G) Wireless System
Supervisor
 Ph.D (PhD)
University of South Wales, United Kingdom
2013/08/01 - 2019/05 A Real-time 5G Testbed at Millimetre-wave
Co-supervisor
University of South Wales, United Kingdom
2008/03/01 - 2018/03/01 Time-varying wideband channel model for propagation of radiowaves in vegetation media
Supervisor
University of South Wales, United Kingdom
2013/11/01 - 2018/02/15 A generic doubly-selective 3D vegetation model using point scatterers
Supervisor
 DocTIC (PhD)
Universidade de Vigo Escola de Enxeñaría de Telecomunicación, Spain
2013/06/01 - 2017/07/24 RF transparency control of building wall structures
Co-supervisor
Universidade de Vigo, Spain
2013/08/01 - 2013/12 Novel Antenna Beamsteering for Wireless Applications
Supervisor
University of South Wales, United Kingdom
2004/12/01 - 2009/04/01 Development of reliable Phase Function measurements for input parameter estimation of the RET
Co-supervisor
University of South Wales, United Kingdom
2002/09/01 - 2007/06/01 A discrete RET Model for Millimetre-Wave Propagation Through Vegetation in Sub-Urban Macro Cells
Supervisor
University of South Wales, United Kingdom
2001/01 - 2004/10 Radiative Energy Transfer Modelling of Vegetation Effects on Design and Performance of Fixed and Mobile Wireless Links
Co-supervisor
University of South Wales, United Kingdom

Consulting

Activity description Institution / Organization
2001/03/01 - 2001/05/31 Research Consultant University of South Wales, United Kingdom
Distinctions

Other distinction

2018 Publons Peer Review Awards 2018, Top 1% Reviewers for Engineering, 31-08-2018
2018 2018 IET Microwaves, Antennas & Propagation Premium Award, Each year the IET awards a prize to the authors of the best paper published within the last two years in each of the IET’s journals. 2018 IET Microwaves, Antennas & Propagation Premium Award Ferre
2016 Best Non-Student Paper (1st place) award at 2016 Loughborough Antennas & Propagation Conference held at Loughborough, England
2015 Elevation to Senior Researcher
Instituto de Telecomunicações, Portugal
2015 Elevation to Senior Member of the IEEE (SMIEEE)
2015 Elevation to Fellow Member of the IET (FIET)
2011 Semi-finalist of the IEEE AP-S Student Design Contest 2011: Radiation Patterns on a Budget
2009 2009-2011 Innovation program
Altice Labs, Portugal
2007 Best Propagation Poster Prize at EuCAP 07
2006 Awarded Best Paper in the WINSYS 2006