Propagation modelling of bistatic scattering of isolated trees for micro- and millimeter wave urban microcells. - Rafael F. S. Caldeirinha; Miqdad O. Al-Nuaimi (PIMRC, 2002)

Phase function measurement for modelling radiowave attenuation and scatter in vegetation based on the theory of radiative energy transfer. - Jürgen Richter; Miqdad Al-Nuaimi; Rafael F. S. Caldeirinha (PIMRC, 2002)

A discrete model for radiowave scattering in vegetation screens at millimetric wave frequencies. - Telmo R. Fernandes; Rafael F. S. Caldeirinha; Jürgen Richter; Miqdad Al-Nuaimi (PIMRC, 2004)

A Discrete RET Model for Millimeter-Wave Propagation in Isolated Tree Formations. - Telmo R. Fernandes; Rafael F. S. Caldeirinha; Miqdad Al-Nuaimi; Jürgen Richter (IEICE Trans. Commun., 2005)

Directional Spectrum Modelling in Inhomogeneous Forests at 20 and 62.4 GHz. - Telmo R. Fernandes; Rafael F. S. Caldeirinha; Miqdad O. Al-Nuaimi; Jürgen Richter (ICETE (Selected Papers), 2006)

Wind Incidence Effects on Channel Dynamics in Vegetation Media at 40 GHz. - Rafael F. S. Caldeirinha; Sérgio Morgadinho; Luís Frazão; Iñigo Cuiñas; Manuel García Sánchez; Miqdad O. Al-Nuaimi (IGARSS, 2006)

RET Scattering Function Optimisation in Vegetation Media using Inverse Convolution. - Telmo R. Fernandes; Rafael F. S. Caldeirinha; Miqdad Al-Nuaimi; Jürgen Richter (IGARSS, 2006)

A b-Learning Approach for Electrical Engineering Based on Wireless Access to Pedagogical e-Content. - Pedro A. Amado Assunção; Carla Lopes; Rafael F. S. Caldeirinha (SIGMAP, 2006)

Radiative Energy Transfer Based Model for Radiowave Propagation in Inhomogeneous Forests. - Telmo R. Fernandes; Rafael F. S. Caldeirinha; Miqdad Al-Nuaimi; Jürgen Richter (VTC Fall, 2006)

Wind effect on the scattering from vegetation at cellular phone frequencies. - Iñigo Cuiñas; Ana Vázquez Alejos; Manuel García Sánchez; Paula Gómez 001; Rafael F. S. Caldeirinha (IGARSS, 2007)

Extension of the dRET Model to Include Scattering from Tree Trunks in Microcell Urban Mobile Scenarios. - Rafael F. S. Caldeirinha; Telmo R. Fernandes; Nuno Leonor; David Ferreira (VTC Spring, 2010)

Development and performance analysis of a real time high-resolution channel sounder - IF stage. - David Ferreira; Rafael F. S. Caldeirinha (EUROCON, 2011)

Modelling and measurements of the directional spectra of scatter signals inside a formation of tree trunks. - Nuno Leonor; Rafael F. S. Caldeirinha; Telmo R. Fernandes; David Ferreira (EUROCON, 2011)

Analysis of the dRET input parameters under varying wind conditions at 20 GHz. - Sérgio Morgadinho; Rafael F. S. Caldeirinha; Telmo R. Fernandes; Jürgen Richter (EUROCON, 2011)

Development and performance assessment of a real time high-resolution RF channel sounder. - David Ferreira; Rafael F. S. Caldeirinha (IGARSS, 2011)

Development and Implementation of a Real Time High-Resolution Channel Sounder - IF Stage. - David Ferreira; Rafael F. S. Caldeirinha (VTC Spring, 2011)

Investigation of a Radio Propagation Model for Vegetation Scatter Dynamic Channels at BFWA Frequencies. - Sérgio Morgadinho; Jürgen Richter; Rafael F. S. Caldeirinha; Telmo R. Fernandes (SIGMAP, 2012)

Towards 5G: Performance evaluation of 60 GHz UWB OFDM communications under both channel and RF impairments. - Rodolfo Gomes; Akram Hammoudeh; Rafael F. S. Caldeirinha; Zaid Al-Daher; Telmo R. Fernandes; Joao R. Reis (Phys. Commun., 2017)

A mm Wave solution to provide wireless Augmented Reality in classrooms. - Rodolfo Gomes; Luis Sismeiro; Carlos Ribeiro; Manuel García Sánchez; Akram Hammoudeh; Rafael F. S. Caldeirinha (ISWCS, 2018)

Measurements and Modelling of Spatial Diversity using 2D Transmitarray. - Joao R. Reis; Rafael F. S. Caldeirinha; Akram Hammoudeh; Nigel Copner (PIMRC, 2018)

Electronic Reconfigurable Beam-redirecting Metasurfaces for Outdoor-indoor Radio Coverage Enhancement at 5.2 GHz. - Mario Vala; André Sardo; Joao R. Reis; Rafael F. S. Caldeirinha (PIMRC, 2018)

Will COTS RF Front-Ends Really Cope With 5G Requirements at mmWave? - Rodolfo Gomes; Luis Sismeiro; Carlos Ribeiro; Telmo R. Fernandes; Manuel García Sánchez; Akram Hammoudeh; Rafael F. S. Caldeirinha (IEEE Access, 2018)

A 2D Ray-Tracing Based Model for Wave Propagation Through Forests at Micro-and Millimeter Wave Frequencies. - Nuno Leonor; Manuel García Sánchez; Telmo R. Fernandes; Rafael F. S. Caldeirinha (IEEE Access, 2018)

5G: performance and evaluation of FS-FBMC against OFDM for high data rate applications at 60 GHz. - Rodolfo Gomes; Joao R. Reis; Zaid Al-Daher; Akram Hammoudeh; Rafael F. S. Caldeirinha (IET Signal Process., 2018)

Using artificial neural networks to scale and infer vegetation media phase functions. - Paula Gómez-Pérez; Rafael F. S. Caldeirinha; Telmo R. Fernandes; Iñigo Cuiñas (Neural Comput. Appl., 2018)

Review Paper on Transmitarray Antennas. - Joao R. Reis; Mario Vala; Rafael F. S. Caldeirinha (IEEE Access, 2019)

All-digital reconfigurable STDCC radar baseband implementation in FPGA. - Luís Duarte; Carlos Ribeiro; Luís Nero Alves; Rafael F. S. Caldeirinha (CSNDSP, 2020)

3D Indoor Radio Coverage for 5G Planning: a Framework of Combining BIM with Ray-tracing. - João Santos Louro; Telmo Rui Fernandes; Hugo Rodrigues 002; Rafael F. S. Caldeirinha (CSNDSP, 2020)

Metamaterial-inspired Flat-Antenna Design for 5G Small-cell Base-Stations Operating at 3.6 GHz. - João R. Reis; Mário Vala; Telmo R. Fernandes; Rafael F. S. Caldeirinha (CSNDSP, 2020)

Multi-Gigabit/s OFDM real-time based transceiver engine for emerging 5G MIMO systems. - Carlos Ribeiro; Rodolfo Gomes; Luís Duarte; Akram Hammoudeh; Rafael F. S. Caldeirinha (Phys. Commun., 2020)

A Study on Small Sensor Node Antenna Performance Camouflaged Under Grassland Fire. - Tiago E. S. Oliveira; Mário Vala; Stefânia Faria; João R. Reis; Nuno Leonor; Rafael F. S. Caldeirinha (IFIPIoT, 2021)

Metamaterial-Inspired Flat Beamsteering Antenna for 5G Base Stations at 3.6 GHz. - João R. Reis; Mário Vala; Tiago Emanuel Oliveira; Telmo Rui Fernandes; Rafael F. S. Caldeirinha (Sensors, 2021)

Site-specific Radio wave measurements for 5G Macrocell Coverage at 750 MHz, 2.5 GHz and 3.5 GHz signal frequencies. - Nuno Leonor; Stefania Sousa; Glaucio Ramos; Rafael F. S. Caldeirinha; Pedro V. Gonzalez Castellanos; Carlos Rodríguez; Luiz da Silva Mello 001 (IEEE DataPort, 2021)

A feasibility study on real-time concealed object detection in foliage using STDCC radar. - Luís Duarte; Mário Vala; Carlos Ribeiro; Luís Nero Alves; Carlos A. Fernandes; Rafael F. S. Caldeirinha (CSNDSP, 2022)

WSN Sensor Node Antenna Performance Under Fallen Leaves. - Tiago E. S. Oliveira; João R. Reis; Rafael F. S. Caldeirinha (CSNDSP, 2022)

Implementation of a WSN for Environmental Monitoring: From the Base Station to the Small Sensor Node. - Tiago Emanuel Oliveira; João Ricardo Reis; Rafael Ferreira Silva Caldeirinha (Sensors, 2022)

A wideband reduced form factor antenna for 5G SAWAP applications. - Tiago E. S. Oliveira; João R. Reis; Telmo R. Fernandes; Samuel Madail; José Salgado; Rafael F. S. Caldeirinha (EuCNC/6G Summit, 2023)

A Double Square Slot Antenna for 5G Small-Area Wireless Access Points in Street Furniture. - Tiago E. S. Oliveira; João R. Reis; Telmo R. Fernandes; Samuel Madail; José Salgado; Rafael F. S. Caldeirinha (IWCMC, 2023)

4D MIMO Radar with 360º field of view: a practical validation. - Samuel Viegas; João R. Reis; Telmo R. Fernandes; Rafael F. S. Caldeirinha (IWCMC, 2023)

Path Loss Prediction for Vehicular-to-Infrastructure Communication Using Machine Learning Techniques. - Yoiz Nuñez; Lisandro Lovisolo; Luiz da Silva Mello 001; Glaucio Ramos; Nuno Leonor; Stefânia Faria; Rafael F. S. Caldeirinha (VCC, 2023)

A State-of-the-Art Review on 4D Printed Antennas and Other Adaptable Designs. - Saúl S. Carvalho; João Ricardo Reis; Rafael F. S. Caldeirinha (IEEE Access, 2024)

Exploring Design Approaches for 3D Printed Antennas. - Saúl S. Carvalho; João Ricardo Reis; Artur Mateus; Rafael F. S. Caldeirinha (IEEE Access, 2024)

Polarimetric Vegetation Propagation Measurements on a Brazilian University Campus Scenario. - Glaucio Ramos; Nuno Leonor; Luiz da Silva Mello 001; Fernando J. S. Moreira; Cassio G. Rego; Sandro T. M. Goncalves; Rafael F. S. Caldeirinha (IEEE Access, 2024)