Nuno Ricardo Cordeiro Leonor

Nuno Leonor

Academic position:	Post. Doc.
Joining date:	01-11-2013
Roles in IT:	Researcher
Thematic Line:	Wireless Technologies
Group:	Antennas and Propagation – Lr

Email: Send Email
Address: IT Branch – Leiria
Morro do Lena - Alto do Vieiro
Leiria
2411 - 901
Tel: 244820340
Fax: 244820310

https://www.orcid.org/0000-0002-5405-1503

Scientific Achievements

Degrees

PhD, University of Vigo, 15-02-2018
MSc, Instituto Politécnico de Leiria, 01-01-2012
Licenciatura, Instituto Politécnico de Leiria, 01-01-2010

Affiliations

Instituto de Telecomunicações, 18-05-2018, Researcher
Instituto Politécnico de Leiria, 15-02-2018, Invited Assistant Professor

Expertise Topics

A generic doubly-selective 3D vegetation model using point scatterers

Academic Activities

1Supervision of PhD theses

Publications

12Papers in Journals

L. Ma, K. Guan, D. Yan, D. He, N. Leonor, B Ai, J. Kim, Satellite‐Terrestrial Channel Characterization in High‐Speed Railway Environment at 22.6 GHz, Radio Science, Vol. N/A, No. N/A, pp. 1 - 1, March, 2020,
| Abstract | BibTex
N. Leonor, T. Fernandes, M. Sanchez, Rafael Caldeirinha, A 3D Model for Millimeter-Wave Propagation Through Vegetation Media Using Ray-Tracing, IEEE Transactions on Antennas and Propagation, Vol. 67, No. 6, pp. 4313 - 4318, March, 2019,
| Abstract | BibTex
N. Leonor, M. Sanchez, T. Fernandes, Rafael Caldeirinha, A 2D Ray-Tracing Based Model for Wave Propagation Through Forests at Microand Millimeter Wave Frequencies, IEEE Access, Vol. 6, No. 1, pp. 32097 - 32108, May, 2018,
| Abstract | BibTex
N. Leonor, Rafael Caldeirinha, T. Fernandes, J. Richter, M. AL-Nuaimi, A discrete RET Model for Millimeter-Wave Propagation through Vegetation, IEEE Transactions on Antennas and Propagation, Vol. 66, No. 04, pp. 1985 - 1998, April, 2018,
| Abstract | BibTex
N. Leonor, Rafael Caldeirinha, M. Sanchez, T. 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, Vol. 59, No. 1, pp. 145 - 150, February, 2017,
| Abstract | BibTex
N. Leonor, Rafael Caldeirinha, M. Sanchez, T. Fernandes, Input parameter extraction method for point scatterer formulation in vegetation media at millimetre-wave frequencies, IET Microwaves, Antennas and Propagation, Vol. 11, No. 2, pp. 165 - 170, January, 2017,
| Abstract | BibTex
N. Leonor, Rafael Caldeirinha, T. Fernandes, N. G. Gaddam, 60 GHz channel characterisation and key performance evaluation of HD video transmission, IET Microwaves, Antennas and Propagation, Vol. 10, No. 12, pp. 1298 - 1303, September, 2016,
| Abstract | BibTex
N. Leonor, Rafael Caldeirinha, M. Sanchez, T. Fernandes, A Three-dimensional Directive Antenna Pattern Interpolation Method, IEEE Antennas and Wireless Propagation Letters, Vol. 15, No. 1, pp. 881 - 884, March, 2016,
| Abstract | BibTex
N. Leonor, D. Ferreira, Rafael Caldeirinha, T. Fernandes, M. Sanchez, Extension of the dRET model to forests of thin cylinders, IEEE Transactions on Antennas and Propagation, Vol. 63, No. 9, pp. 4049 - 4056, September, 2015,
| Abstract | BibTex
N. Leonor, Rafael Caldeirinha, T. Fernandes, M. Sanchez, A simple model for average re-radiation patterns of single trees based on weighted regression at 60 GHz, IEEE Transactions on Antennas and Propagation, Vol. 63, No. 11, pp. 5113 - 5118, August, 2015,
| Abstract | BibTex
D. Ferreira, Rafael Caldeirinha, N. Leonor, Real-time high-resolution radio frequency channel sounder based on the sliding correlation principle, IET Microwaves, Antennas and Propagation, Vol. 9, No. 8, pp. 837 - 846, January, 2015,
| Abstract | BibTex
N. Leonor, Rafael Caldeirinha, T. Fernandes, D. Ferreira, M. Sanchez, A 2D Ray-Tracing Based Model for Micro- and Millimeter-Wave Propagation Through Vegetation, IEEE Transactions on Antennas and Propagation, Vol. 62, No. 12, pp. 6443 - 6453, December, 2014,
| Abstract | BibTex

27Papers in Conferences

T.O. Oliveira, M. Vala, S. Faria, J. R. Reis, N. Leonor, Rafael Caldeirinha, A study on small sensor node antenna performance camouflaged under grassland fire, International Federation for Information Processing IFIP International Internet of Things Conference IFIP IOT, Amsterdam, Netherlands, Vol., pp. -, November, 2021,
| Abstract | BibTex
S. Faria, M. Vala, P. Coimbra, J.F. Felício, N. Leonor, C. A. Fernandes, C. Salema, Rafael Caldeirinha, Analytical Studies of Refractive Index Variation in Pine Needles Media under Wildfire Conditions, The European Conference on Antennas and Propagation - EuCAP, Düsseldorf, Germany, Vol., pp. -, March, 2021,
| Abstract | BibTex
L. Duarte, J. R. Reis, N. Leonor, C. Ribeiro, L. Alves, Rafael Caldeirinha, Reconfigurable millimetre-wave RF front-end for radar and 5G applications, Conference on Telecommunications - ConfTele, Leiria, Portugal, Vol., pp. -, February, 2021,
| Abstract | BibTex
G. Ramos, N. Leonor, S. Faria, Rafael Caldeirinha, P. Castellanos, C. Ron, L. Mello, Parabolic Equation Technique Applied to an Urban Scenario in Rio de Janeiro, Conference on Telecommunications - ConfTele, Leiria, Portugal, Vol., pp. -, February, 2021,
| Abstract | BibTex
S. Faria, M. Vala, P. Coimbra, N. Leonor, J.F. Felício, C. A. Fernandes, C. Salema, Rafael Caldeirinha, Radiowave Propagation Modelling of Dual Wildfire Front Spreading over Hilly Terrain at 700 MHz, Telecoms Conference ConfTELE, Leiria, Portugal, Vol., pp. -, February, 2021,
| Abstract | BibTex
P. Coimbra, S. Faria, M. Vala, J.F. Felício, C. A. Fernandes, N. Leonor, Rafael Caldeirinha, C. Salema, Experimental Setup for Radio Characterization of Fire at Microwave Frequencies, Telecoms Conference ConfTELE, Leiria, Portugal, Vol., pp. -, February, 2021,
| Abstract | BibTex
A. Sardo, J. R. Reis, L. Duarte, N. Leonor, C. Ribeiro, Rafael Caldeirinha, STDCC radar at 24 GHz: first measurement trials, URSI International Union of Radio Science General Assembly & Scientific Symposium URSI GASS, Rome, Italy, Vol., pp. -, September, 2020,
| Abstract | BibTex
S. Faria, M. Vala, P. Coimbra, J.F. Felício, N. Leonor, C. A. Fernandes, C. Salema, Rafael Caldeirinha, Comparative Study of Computational Electromagnetics Applied to Radiowave Propagation in Wildfires, URSI International Union of Radio Science General Assembly & Scientific Symposium URSI GASS, Rome, Italy, Vol., pp. -, September, 2020,
| Abstract | Full text (PDF 381 KBs) | BibTex
G. Ramos, P. Pereira, N. Leonor, Rafael Caldeirinha, Analysis of Radiowave Propagation in Forest Media Using the Parabolic Equation, European Conf. on Antennas & Propagation - EUCAP, Copenhagen, Denmark, Vol., pp. -, March, 2020,
| Abstract | BibTex
N. Leonor, T. Fernandes, Rafael Caldeirinha, A Practical Deconvolution Antenna Method to Retrieve Scattering Profile in Complex Random Media - A Vegetation Case Study at 28 GHz, European Conf. on Antennas & Propagation - EUCAP, Copenhagen, Denmark, Vol., pp. -, March, 2020,
| Abstract | BibTex
S. Faria, N. Leonor, C. A. Fernandes, J.F. Felício, C. Salema, Rafael Caldeirinha, Radiowave Propagation Modelling in the Presence of Wildfires: Initial Results, European Conf. on Antennas & Propagation - EUCAP, Copenhagen, Denmark, Vol., pp. -, March, 2020,
| Abstract | BibTex
N. Leonor, G. Ramos, Rafael Caldeirinha, Benchmark of radio propagation path loss models applied to line-of-trees at 10, 36 and 60 GHz, International Microwave and Optoelectronics Conf. - IMOC, Aveiro, Portugal, Vol., pp. -, November, 2019,
| Abstract | BibTex
Rafael Caldeirinha, J. R. Reis, A. Sardo, L. Duarte, N. Leonor, J.M. Gil, C. Ribeiro, Disruptive Future of RADAR based on All-Digital PN Signal Processing, IEEE IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications APWC2019, Granada, Spain, Vol. -, pp. - - -, September, 2019,
| Abstract | BibTex
Rafael Caldeirinha, N. Leonor, A. Sardo, C. Ribeiro, G. Ramos, Radio Channel Sounder for 5G Propagation Modelling at 28 GHz - Initial Trials on the Factory of the Future Use Case, Conf. on Telecommunications - ConfTele, Lisbon, Portugal, Vol. -, pp. - - -, June, 2019,
| Abstract | BibTex
W. Conniott, J. R. Reis, N. Leonor, Rafael Caldeirinha, Shielding effectiveness of log barriers for radio exclusion zones, Loughborough Antennas and Propagation Conf. – LAPC, Loughborough, United Kingdom, Vol., pp. -, November, 2018,
| Abstract | BibTex
N. Leonor, C. A. Fernandes, C. Salema, Rafael Caldeirinha, A Framework for the Analysis of Wildfire Effects in Emergency Communication Systems, IEEE Computing, Electromagnetics, and Machine Intelligence Workshop CEMi, Stellenbosch, South Africa, Vol., pp. -, November, 2018,
| Abstract | BibTex
N. Leonor, Rafael Caldeirinha, T. Fernandes, M. Sanchez, Fractal-based 3D Model for Propagation in Vegetation at Millimeter-Wave Frequencies, European Conf. on Antennas & Propagation - EUCAP, London, United Kingdom, Vol. 1, pp. 1 - 5, April, 2018,
| Abstract | BibTex
N. Leonor, Rafael Caldeirinha, M. Sanchez, T. Fernandes, S. Morgadinho Rebelo, A Feasibility Study on the Extension of the Point Scatterer Formulation to Include Wind Induced Dynamics, Loughborough Antennas and Propagation Conf. – LAPC, Loughborough, United Kingdom, Vol., pp. -, November, 2017,
| Abstract | BibTex
N. Leonor, Rafael Caldeirinha, M. Sanchez, T. Fernandes, A feasibility study on the extension of the point scatterer formulation to raised canopy forests, Loughborough Antennas and Propagation Conf. – LAPC, Loughborough, United Kingdom, Vol. N/A, pp. 1 - 4, November, 2016,
| Abstract | Full text (PDF 391 KBs) | BibTex
N. Leonor, Rafael Caldeirinha, T. Fernandes, M. Sanchez, A feasibility study on the extension of the point scatterer formulation to vegetation media, European Conf. on Antennas & Propagation - EUCAP, Lisbon, Portugal, Vol. 1, pp. 1 - 5, April, 2015,
| Abstract | BibTex
N. Leonor, D. Ferreira, Rafael Caldeirinha, T. Fernandes, Ray tracing based model using point scatterers for time-varying radio channels, Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. 1, pp. 1 - 4, May, 2013,
| Abstract | Full text (PDF 524 KBs) | BibTex
B. Feitor, Rafael Caldeirinha, T. Fernandes, D. Ferreira, N. Leonor, Estimation of Dielectric Concrete Properties from Power Measurements at 18.7 and 60 GHz, Loughborough Antennas and Propagation Conf. – LAPC, Loughborough, United Kingdom, Vol. 1, pp. 1 - 4, November, 2011,
| Abstract | BibTex
N. Leonor, Rafael Caldeirinha, T. Fernandes, D. Ferreira, A ray tracing based model using point scatterers for doubly selective radio channels, URSI Seminar of the Portuguese Committee, Lisbon, Portugal, Vol. 1, pp. 1 - 4, November, 2011,
| Abstract | Full text (PDF 601 KBs) | BibTex
N. Leonor, D. Ferreira, Rafael Caldeirinha, T. Fernandes, A simple scattering model for tree trunks, URSI General Assembly, Istanbul, Turkey, Vol. 1, pp. 1 - 4, August, 2011,
| Abstract | BibTex
N. Leonor, Rafael Caldeirinha, T. Fernandes, D. Ferreira, Modelling and Measurements of the Directional Spectra of Scatter Signals Inside a Formation of Tree Trunks, Conf. on Telecommunications - ConfTele, Lisbon, Portugal, Vol. 1, pp. 1 - 4, April, 2011,
| Abstract | BibTex
Rafael Caldeirinha, T. Fernandes, N. Leonor, D. Ferreira, Extension of the dRET Model to include Scattering from Tree Trunks in Microcell Urban Mobile Scenarios, Vehicular Technology Conference: VTC-Spring, Taipei, Taiwan, Vol. 1, pp. 1 - 1, May, 2010 | BibTex
T. Fernandes, N. Leonor, Rafael Caldeirinha, J. Richter, M. AL-Nuaimi, On the applicability of the dRET model to the trunk layer, European Conf. on Antennas & Propagation - EUCAP, Barcelona, Spain, Vol. 1, pp. 1 - 4, April, 2010,
| Abstract | BibTex

2Non-refereed Publications

Rafael Caldeirinha, A. Sardo, B. Tribovane, N. Leonor, CA15104 TD(19)09043 Agile Radio Channel Sounder for 5G Propagation Modelling at mmWave Frequencies, IRACON 9th Technical Meeting, Dublin, Jan., 2019, January 2019,
| Abstract | Full text (PDF 2 MBs)
N. Leonor, T. Fernandes, Rafael Caldeirinha, CA15104 TD(19)09027 Formulation of Possible Extensions to the ITU-R P833-9 Recommendation on Attenuation in Vegetation at Frequencies Above 1 GHz, January 2019,
| Abstract | Full text (PDF 1 MB)

Projects

Currently running projects2

Acronym	Name	Funding Agency	Start date	Ending date
Propagation5G	Study and optimisation of propagation models for 5G	FCT/CAPES	01-04-2019	31-05-2022
RESCuE-TOOL	Radio coverage for emergency communication systems to operate under critical wildfire environments TOOL	FCT	01-01-2019	28-02-2022

Closed Projects2

Acronym	Name	Funding Agency	Start date	Ending date
BenchProM	Benchmarks for High-resolution Mobile Radiowave Propagation Models	IT/LA	01-10-2014	01-09-2016
Ray-BaM	Ray trace based model for micro- and millimeter-wave propagation through vegetation	IT/LA	01-10-2014	01-10-2016

Other Scientific Achievements

4Awards

S. Faria, M. Vala, P. Coimbra, N. Leonor, J.F. Felício, C. A. Fernandes, C. Salema, Rafael Caldeirinha, Radiowave Propagation Modelling of Dual Wildfire Front Spreading Over Hilly Terrain at 700 MHz, ConfTELE 2021 Top 10% Best Paper Award. Seven papers (10%) were nominated for consideration for this award by the Reviewers and the Technical Program Committee., 01-02-2021
N. Leonor, Rafael Caldeirinha, M. Sanchez, T. Fernandes, A feasibility study on the extension of the point scatterer formulation to raised canopy forests, Best Non-Student Paper (1st place) award at 2016 Loughborough Antennas & Propagation, 01-11-2016
Rafael Caldeirinha, N. Leonor, Semi-finalist of the IEEE AP-S Student Design Contest 2011: Radiation Patterns on a Budget, This paper presents a radiation pattern measurement system in order to evaluate 2.4GHz antennas. This measurement system was built with the demand of being an inexpensive and easily reproducible system, lightweight and visually and user friendly. Prize of $1,500, 01-06-2011
Rafael Caldeirinha, B. Feitor, T. Fernandes, D. Ferreira, N. Leonor, Estimation of Dielectric Concrete Properties from Power Measurements at 18.7 and 60 GHz, Nominated for the IET best student paper competition at Loughborough Antennas and Propagation Conf. – LAPC, Loughborough, United Kingdom, November, 2011., 01-11-2010

2Prototypes

Rafael Caldeirinha, N. Leonor, D. Ferreira, T. Fernandes, A ray tracing based model using point scatterers for doubly selective radio channels
Rafael Caldeirinha, N. Leonor, Low cost and portable radiation pattern measurement system at 2.4 GHz

IT Member Profile

Nuno Leonor

Scientific Achievements

As Co-supervisor

As Co-supervisor

As Supervisor

As Co-supervisor

Currently running projects2

Closed Projects2