Publications
R. V. Pacelli, R. L.Florindo, F. Antreich, A. L. F. de Almeida, A. A.-Angel, A. Rovira, "Garcia Characterization of Ionospheric Scintillation Using Deep Learning Models", Proc. 38th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2025), Sept. 2025
H. R. S. Rodrigues, M. V. T. Heckler, E. R. Schlosser, "Antena de Microfita Dupla Faixa de Baixo Custo Otimizada para as Bandas L1/L5 do GPS", XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
S. P. Campos, E. R. Schlosser, M. V. T. Heckler, "Rede Refletora em Banda X com Elevada Discriminação de Polarização Cruzada", XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
G. P. Paulena, H. R. S. Rodrigues, E. R. Schlosser, M. V. T. Heckler, "A Comparative Study Between Dielectric and Microstrip Antenna Arrays for GPS Application", XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
L. G. da Costa, F. Antreich, D. O. Silva, R. H. de Souza "Dual-antenna passive synthetic aperture DOA estimation for airborne platforms", XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
M. A. de Almeida Fidos Jr., R. Machado, D. I. Alves, B. F. Uchôa-Filho, L. P. Amaro, "Qualidade de Serviços em Telecomunicações e Desigualdades Territoriais: Uma Abordagem Explicável com Clusterização Espacial", XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
P. F. Abissamra, S. Leite, R. Machado, D. I. Alves, "Deep Learning Models Applied in Automatic Modulation Classification of Radar Signals", XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
G. L. E. Pedro, D. I. Alves, D. S. de Medeiros, P. R. B. da Silva, J. V. R. Negri, A. C. M. Barcella, "Change Detection based on Bayes’ Theorem for Intensity Wavelength-Resolution SAR Difference Images", XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
D. V. C. de Oliveira, D. C. Alcantara, F.-E. Asim, A. L. F. de Almeida, G. Fodor, “Simultaneous Direct and Indirect Channel Estimation for RIS-Assisted MIMO Communications”, XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
J. V. de Araújo, J. C. da Silva Filho, G. T. de Araújo, P. R. B. Gomes, A. L. F. de Almeida, “Joint Channel and Symbol Estimation for Communication Systems with Movable Antennas”, XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
J. C. da Silva Filho, J. V. de Araújo, B. Sokal, A. L. F. de Almeida, “Performance Evaluation of Beyond Diagonal RIS under Hardware Impairments”, XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
D. C. Alcantara, D. V. C. de Oliveira, G. T. de Araújo, A. L. F. de Almeida, “Circuit-Based Modeling Approach for Channel Estimation in RIS-Assisted Communications”, XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
J. C. S. Ferreira,F. I. T. Pires, F. E. Asim, "Performance Evaluation of High-Resolution Parameter Estimation in Low-Rank MIMO Channels with Interference", XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
C. H. A. Tavares, G. M. Oliveira, A. C. C. Martins, Y. S. Moura, T. F. Maciel, "Automatic detection and classification of Brazilian traffic signs using YOLO", XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
M. D. Carneiro, I. M. Guerreiro, Y. C. B. Silva, S. S. Silva, V. F. Monteiro, A. C. Albuquerque, "Energy Efficiency Analysis of Power Allocation on D-MIMO with Dynamic TDD", XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
S. S. Silva, Y. C. B. Silva, I. M. Guerreiro, V. F. Monteiro, M. D. Carneiro, A. C. Albuquerque, "User-Centric Clustering in Cell-Free Networks with Dynamic TDD", XLIII Brazilian Symposium on Telecommunications and Signal Processing, Natal-RN, 2025.
F. Khattak, F.-E. Asim, S. Weiss, A. L. F. de Almeida, “ Least-Squares Khatri-Rao Factorization of a Polynomial Matrix”, European Signal Processing Conference (EUSIPCO 2025), 2025.
F. Khattak, F.-E. Asim, S. Weiss, A. L. F. de Almeida, “Uniform Planar Array Broadband Angle of Arrival Estimation From Polynomial Steering Matrix”, IEEE Int. Workshop on Statistical Signal Processing (SSP 2025), 2025.
P. R. B. Gomes, A. L. Magalhães, A. L. F. de Almeida, “Joint Uplink-Downlink Channel Estimation for Non-Reciprocal RIS-Assisted Communications,” 2025 IEEE International Conference on Communications (ICC'2025), June 2025.
A. L. Magalhães, A. L. F. de Almeida, L. Deneire, “Closed-Form Receivers for MIMO Communications Assisted by Hybrid Sensing and Reflecting RIS,” 2025 IEEE International Conference on Communications (ICC'2025), June 2025.
S. Fodor, G. Fodor, A. L. F. de Almeida, M. Telek, “Bistatic Integrated Sensing and Communication Scenarios with Transmitter and Receiver-Side Trade-Offs,” IEEE 5th International Symposium on Joint Communications & Sensing (JC&S), 2025.
E. Filho, M. Saideh, L. Vercouter, J. Silveira, C. Marcon and W. d. Santos, "DADOS: Decentralized Autonomous Disaster Observation System," in IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, doi: 10.1109/JSTARS.2025.3610288
B. Sokal, A. L. F. de Almeida, e M. Haardt, “Joint Active and Passive Beamforming Design for Multi-Stream MIMO RIS Systems: A Tensor-Based Approach, IEEE Int. Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), 2025
E. G. Valente Neto, S. A. Peixoto and J. C. S. Dos Anjos, “EnBaSe: Enhancing Image Classification in IoT Scenarios through Entropy‑Based Selection of Non‑IID Data,” Learning & Nonlinear Models, vol. 23, no. 1, pp. 1–16, Feb. 2025, doi:10.21528/lnlm-vol23-no1-art4.
E. G. Valente Neto, S. A. Peixoto, V. R. Q. Leithardt, J. F. De Paz and J. C. S. Dos Anjos, “Adding Data Quality to Federated Learning Performance Improvement,” IEEE Access, vol. 13, IEEE Computer Society, pp. 126623–126648, June 2025, doi:10.1109/ACCESS.2025.3578301.
A. L. de Araújo, L. Deneire, G. Urvoy-Keller, A. L. F. de Almeida, “Instruction-Level Energy Estimation for 5G PHY Processing”, 21st International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob 2025), submitted, 2025.
E. R. Schlosser, E. G. Peres, N. F. da Silva, E. S. Sakomura and M. V. T. Heckler, “Compact Butler Matrix Using Lumped Elements,” Microwave and Optical Technology Letters, vol. 67, no. 6, e70253, 2025, doi:10.1002/mop.70253.
A. L. Magalhães, A. L. F. de Almeida, A. Lee Swindlehurst, “Semi-Blind Channel Estimation for Downlink Communications Based on Dynamic Metasurface Antennas”, ASILOMAR-SSC, submitted, 2025.
J. V. de Araújo, G. T. de Araújo, P. R. B. Gomes, A. L. F. de Almeida, "Semi-Blind Receiver for Movable-Antenna Based Uplink Multiuser Communications", ASILOMAR-SSC, submitted, 2025.
D. V. C. de Oliveira, D. C. Alcantara, F.-E. Asim, A. L. F. de Almeida, G. Fodor, "Simultaneous Direct and Indirect Channel Estimation for RIS-Assisted MIMO Communications", XLIII Brazilian Telecommunications Symposium (SBrT 2025), submitted, 2025.
J. V. de Araújo, J. C. da Silva Filho, G. T. de Araújo, P. R. B. Gomes, A. L. F. de Almeida, "Joint Channel and Symbol Estimation for Communication Systems with Movable Antennas", XLIII Brazilian Telecommunications Symposium (SBrT 2025), submitted, 2025.
J. C. da Silva Filho, J. V. de Araújo, B. Sokal, A. L. F. de Almeida, "Performance Evaluation of Beyond Diagonal RIS under Hardware Impairments", XLIII Brazilian Telecommunications Symposium (SBrT 2025), submitted, 2025.
D. C. Alcantara, D. V. C. de Oliveira, G. T. de Araújo, A. L. F. de Almeida, "Circuit-Based Modeling Approach for Channel Estimation in RIS-Assisted Communications", XLIII Brazilian Telecommunications Symposium (SBrT 2025), submitted, 2025.
F. Khattak, F.-E. Asim, S. Weiss, A. L. F. de Almeida, "Least-Squares Khatri-Rao Factorization of a Polynomial Matrix", European Signal Processing Conference (EUSIPCO 2025), accepted, 2025.
F. Khattak, F.-E. Asim, S. Weiss, A. L. F. de Almeida, "Uniform Planar Array Broadband Angle of Arrival Estimation From Polynomial Steering Matrix", IEEE Int. Workshop on Statistical Signal Processing (SSP 2025), accepted, 2025.
L. S. Pereira, E. R. Schlosser, A. H. A. A. Bouari, M. V. T. Heckler, J. M. Vieira and F. D. Antreich, “L1/E1/B1 and L5/E5a/B2a Band Dual‑Polarized Microstrip Antenna for GNSS‑R,” Journal of Microwaves, Optoelectronics and Electromagnetic Applications, vol. 23, no. 4, e2024286597, 2024, doi: 10.1590/2179-10742024v23i4286597.
R. V. Pacelli, R. D. L. Florindo, F. Antreich, A. M. P. de Lucena and A. M. P. de Lucena, “An All‑Digital Coherent AFSK Demodulator for CubeSat Applications,” Digital Signal Processing: A Review Journal, vol. 162, 105147, 2025, doi: 10.1016/j.dsp.2025.105147.
L. P. Ramos, V. T. Vu, M. I. Pettersson, P. Dammert, L. T. Duarte and R. Machado, “Performance Assessment of Change Detection Based on Robust PCA for Wavelength Resolution SAR Images Using Nonidentical Flight Passes,” Sensors, vol. 25, no. 8, 2506, 2025, doi: 10.3390/s25082506.
J. A. da Silva, P. Mendes and E. P. de Freitas, "Resilient Software Defined Satellite Networks: Combining Clustering Techniques with Efficient RoutingProtocols," 2024 11th International Conference on Software Defined Systems(SDS), Gran Canaria, Spain, 2024, pp. 178-183, doi: 10.1109/SDS64317.2024.10883934.
R. V. O. Paiva; T. F. Maciel; R. Z. Prado; Kacou, Modeste; M Gosset. "Rain detection using commercial microwave link data and k-means clustering". In: XLII Simpósio Brasileiro de Telecomunicações e Processamento de Sinais, 2024, Belém. Anais do XLII Simpósio Brasileiro de Telecomunicações e Processamento de Sinais. Rio de Janeiro: SBrT, 2024, v.1, - 5
R. S. Xavier; M. Gosset; T. F. Maciel; T. Bicudo; L. A. do Nascimento; E. Ramalho; A. Fleischmann. "Measuring Amazon Rainfall Intensity With Sound Recorders,"Geophysical Research Letters, vol.51, pp. 1 - 9, 2024, doi: 10.1029/2024GL108210.
K. Lukin, J. A. Goes, and H. E. H. Figuera, “On Suppression of Angular Side-Lobes in Drone-borne SAR Tomography", 2024 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2024), Athens, Greece, July 2024.
K. Lukin et al., “Power Spectral Density of the Received Signal in Noise Radar at the Presence of Antennas Leakage,” International Radar Symposium (IRS 2024), Wroclaw, Poland, July 2024.
A. L. Magalhães and A. L. F. De Almeida, “Joint Channel and Symbol Estimation for Hybrid RIS Wireless Communications,” 19th International Symposium on Wireless Communication Systems (ISWCS 2024), Rio de Janeiro, Brazil, 2024 doi: 10.1109/ISWCS61526.2024.10639148.
K. B. dos A. Benício, B. Sokal, A. L. F. De Almeida, Fazal-e-Asim, B. Makki, and G. Fodor, “Low-Complexity Tensor-Based Monostatic Sensing for IRS-Assisted Communication System,” 19th International Symposium on Wireless Communication Systems (ISWCS 2024), Rio de Janeiro, Brazil, 2024 doi: 10.1109/ISWCS61526.2024.10639156.
D. O. Silva, L. S. Pereira, E. R. Schlosser, M. V. T. Heckler, and F. Antreich, "On the Characterization of Reflective Surfaces Using Dual-Polarization GNSS-R", Signal Processing, 2024, 109692 doi: 10.1016/j.sigpro.2024.109692.
B. Sokal, Fazal-e-Asim and A. L. F. de Almeida, “A Decoupled Channel Estimation Method for Beyond Diagonal RIS,” Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, US, November 2024 doi: 10.48550/arXiv.2412.06683.
K. B. dos A. Benício, A. L. F. de Almeida, B. Sokal, Fazal-e-Asim, B. Makki, and G. Fodor, “RIS-Assisted Sensing: A Rank-1 Tensor Approach,” Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, US, November 2024.
W. C. Freitas Jr., G. Favier, A. L. F. de Almeida, “Tensor-Based Receivers for the Bi-static Sensing and Communication Scenario,” Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, US, November 2024 doi: 10.48550/arXiv.2412.12435.
A. L. Magalhães, G. T. de Araújo, Fazal-e-Asim and A. L. F. de Almeida, “Closed-Form Joint Symbol and Channel Estimation in Hybrid-RIS-aided Communication Systems” XLII Brazilian Symposium on Telecommunications and Signal Processing (SBrT 2024), Belém, Brazil, 2024 doi: 10.14209/sbrt.2024.1571036907.
K. B. dos A. Benício, A. L. F. de Almeida, B. Sokal, Fazal-e-Asim, B. Makki, and G. Fodor, “PARAFAC-Based Time-Varying Channel Estimation for IRS-Aided Communications,” XLII Brazilian Symposium on Telecommunications and Signal Processing (SBrT 2024), Belém, Brazil, October 2024 doi: 10.14209/sbrt.2024.1571036783.
D. O. Silva, F. Antreich, L. S. Pereira, E. R. Schlosser, and M. V. T. Heckler, “Dielectric Reflective Surface Characterization using Dual-Polarization GNSS-R,” 21st Brazilian Symposium on Microwaves and Optoelectronics 2024 (SBMO 2024), Bento Gonçalves, Brazil, September, October 2024.
L. S. Pereira, M. V. T. Heckler, E. R. Schlosser, and F. Antreich, “Antena de Microfita de Baixo Custo para Recepção de Sinais GNSS-R”, 21st Brazilian Symposium on Microwaves and Optoelectronics 2024 (SBMO 2024), Bento Gonçalves, Brazil, September, 2024.
R. V. Pacelli, A. Aragon-Angel, A. R. Garcia, A. L. F. de Almeida, and F. Antreich, “Convolutional Neural Networks for Time Series Classification of Ionospheric Scintillation,” in Proceedings of the 37th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2024), Baltimore, MD, U.S.A., September 2024 doi: 10.33012/2024.19929.
R. de L. Florindo and F. Antreich, “Advanced Multi-Frequency Phase-Locked Loops for Severe Ionospheric Scintillation Scenarios,” in Proceedings of the 37th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2024), Baltimore, MD, U.S.A., September 2024.
M. Ferreira, G. Palitot, C. Marcon, L. Vercouter, J. Silveira, “PRISM-Guardian: Enhancing Data Privacy in Devices with Sound Collection, Recognition, and Sharing through Blockchain Technology”, IEEE Sensors Letters (LSENS), vol. 8, no. 11, pp. 1-4, Nov. 2024 doi: 10.1109/LSENS.2024.3482177.
D. Freitas, L. Naviner, J. Mota, J. Silveira, C. Marcon, D. Mota, A. Coelho, “nMatrix: A New Decoding Algorithm for the Matrix ECC”, Proceedings of the Latin-American Symposium on Dependable and Secure Systems (LADC), pp. 220-230, 2024.
D. Freitas, D. Mota, D. Coelho, H. Fontinele, A. Coelho, J. Silveira, L. Naviner, C. Marcon, “Check-bit Region Exploration in Two-Dimensional Error Correction Codes”, IEEE Access (ACCESS), vol. 12, pp. 131830-131841, Sep. 2024 doi: 10.1109/ACCESS.2024.3456582.
A. Muniz, L. Mazzoco, W. Savaris, E. Pissolatto, T. Beneditto, A. Fritsch, J. Silveira, C. Marcon, “Comparing Structures of Two-Dimensional Error Correction Codes”, Microelectronics Reliability, vol. 161, pp. 115481:1-9, Oct. 2024 doi: 10.1016/j.microrel.2024.115481.
A. da Silva, L. Nogueira, A. Coelho, J. Silveira, C. Marcon, “Securet3d: An Adaptive, Secure, and Fault-Tolerant Aware Routing Algorithm for Vertically–Partially Connected 3D-NoC”, IEEE Transactions on Very Large Scale Integration (VLSI) Systems (TVLSI), vol. 33, no. 1, pp. 275-287, Jan. 2025 doi: 10.1109/TVLSI.2024.3500575.
A. Fritsch, W. Savaris, A. Muniz, G. Borba, R. Girardi, J. Silveira, C. Marcon, “Overlapped Error Correction Codes in Two-Dimensional Structures”, Proceedings of the IEEE CASS Latin American Symposium on Circuits and Systems (LASCAS), pp. 1-6, 2025 doi: 10.1109/LASCAS64004.2025.10966311.
F. E. Asim, B. Sokal, A. L. F. de Almeida, B. Makki, G. Fodor, “Two-Dimensional Channel Parameter Estimation for IRS-Assisted Networks,” IEEE Transactions on Communications, to appear, 2025.
F. E. Asim, B. Sokal, A. L. F. de Almeida, B. Makki and G. Fodor, "Structured Channel Estimation for RIS-Assisted THz Communications," in IEEE Transactions on Vehicular Technology, vol. 74, no. 3, pp. 5175-5180, March 2025, doi: 10.1109/TVT.2024.3492998.
Y. S. Ribeiro, B. Makki, A. L. F. de Almeida, F. Asim, G. Fodor, “Mobility Management in Integrated Sensing and Communications Networks,” submitted, 2024.
A. L. Magalhães and A. L. F. de Almeida, “Semi-Blind Receivers for Hybrid Reflecting and Sensing RIS,” arXiv preprint arXiv:2409.19779, 2024, doi:10.48550/arXiv.2409.19779.
A. L. F. de Almeida, B. Sokal, H. Li and B. Clerckx, "Channel Estimation for Beyond Diagonal RIS via Tensor Decomposition," in IEEE Transactions on Signal Processing, doi: 10.1109/TSP.2025.3569802.
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