André Lima Férrer de Almeida

@ufc.br

Professor, Department of Teleinformatics Engineering, Center of Technology
Universidade Federal do Ceará

André Lima Férrer de Almeida


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https://researchid.co/andrelimaferrer

RESEARCH, TEACHING, or OTHER INTERESTS

Electrical and Electronic Engineering, Signal Processing, Toxicology
242

Scopus Publications

8370

Scholar Citations

44

Scholar h-index

179

Scholar i10-index

Scopus Publications

RECENT SCHOLAR PUBLICATIONS

  • Low-Complexity Tensor Beamforming for RIS-Aided Multiuser Multistream MIMO Systems
    B Sokal, ALF de Almeida, M Haardt
    arXiv preprint arXiv:2605.22360 , 2026
    2026
  • Uplink Channel Estimation for Multi-User MISO Systems Assisted by a Fluid Reconfigurable Intelligent Surface
    AL Magalhães, ALF de Almeida, GC Alexandropoulos
    arXiv preprint arXiv:2605.16609 , 2026
    2026
  • Semi-Blind Receivers for RIS-Aided Fluid Antenna Systems
    JV de Araújo, GT de Araújo, ALF de Almeida
    arXiv preprint arXiv:2604.18138 , 2026
    2026
  • Multi-Target Estimation via Tensor Decomposition for Beyond Diagonal RIS-Aided Bistatic Sensing
    K Benício, ALF de Almeida, FE Asim, B Sokal, G Fodor, B Makki, ...
    arXiv preprint arXiv:2604.18852 , 2026
    2026
  • PARAFAC-Based Channel Estimation for Beyond Diagonal Reconfigurable Surfaces
    GT de Araújo, B Sokal, ALF de Almeida
    arXiv preprint arXiv:2603.26384 , 2026
    2026
  • Channel estimation via tensor decomposition for dynamic metasurface antennas with known mutual coupling: Algorithms and experiments
    J Tapie, B Sokal, ALF de Almeida, P del Hougne
    arXiv preprint arXiv:2603.19155 , 2026
    2026
    Citations: 3
  • Emerging Contaminants in Water Resources: Monitoring Gaps, Treatment Limitations and Governance Challenges in a Global Context with Insights from Portugal
    P Esperanço, A Almeida, T Leal, AC Duarte, L Cruz-Lopes, JM Gonçalves, ...
    Preprints , 2026
    2026
  • PARAFAC-Based Channel Estimation for Beyond Diagonal Reconfigurable Surfaces
    G Tavares de Araújo, B Sokal, ALF de Almeida
    arXiv e-prints, arXiv: 2603.26384 , 2026
    2026
  • Channel Estimation for Beyond Diagonal RIS Exploiting Core Tensor Sparsity
    DC Araújo, ALF de Almeida
    arXiv preprint arXiv:2602.24150 , 2026
    2026
  • Randomized block Krylov method for approximation of truncated tensor SVD
    MN Kooshkghazi, S Ahmadi-Asl, ALF de Almeida
    Journal of the Franklin Institute, 108475 , 2026
    2026
  • Channel Estimation for Beyond Diagonal RIS Exploiting Core Tensor Sparsity
    D Costa Araújo, ALF de Almeida
    arXiv e-prints, arXiv: 2602.24150 , 2026
    2026
  • Emerging Contaminants in Water Resources: Monitoring Gaps, Treatment Limitations and Governance Challenges with Insights from Portugal
    P Esperanço, T Leal, A Almeida, AC Duarte, L Cruz-Lopes, JM Gonçalves, ...
    Sustainability , 2026
    2026
  • Semi-Blind Joint Channel and Symbol Estimation for Beyond Diagonal Reconfigurable Surfaces
    GT de Araújo, ALF de Almeida, B Sokal, G Fodor
    arXiv preprint arXiv:2512.15441 , 2025
    2025
    Citations: 2
  • Joint Active and Passive Beamforming Design for Multi-Stream MIMO RIS Systems: A Tensor-Based Approach
    B Sokal, ALF de Almeida, M Haardt
    2025 IEEE 10th International Workshop on Computational Advances in Multi … , 2025
    2025
    Citations: 1
  • Semi-blind receivers for hybrid reflecting and sensing RIS
    AL Magalhães, ALF De Almeida
    IEEE Open Journal of the Communications Society 6, 10542-10566 , 2025
    2025
    Citations: 3
  • Channel Estimation for Downlink Communications Based on Dynamic Metasurface Antennas
    AL Magalhães, E Fazal, ALF de Almeida, AL Swindlehurst
    2025 59th Asilomar Conference on Signals, Systems, and Computers, 1420-1424 , 2025
    2025
  • Error Correction in Bluetooth Low Energy via Neural Network with Reject Option
    WD Almeida, FP Marinho, ALF de Almeida, AR Rocha Neto
    Sensors 25 (19), 6191 , 2025
    2025
  • Characterization of Ionospheric Scintillation Using Deep Learning Models
    RV Pacelli, RL Florindo, F Antreich, ALF de Almeida, A Aragon-Angel, ...
    Proceedings of the 38th International Technical Meeting of the Satellite … , 2025
    2025
  • Tensor-Based Framework for Channel Estimation and Beamforming Optimization in Non-Reciprocal RIS-Assisted Communications
    PRB Gomes, AL Magalhães, ALFD Almeida, GTD Araújo
    TechRxiv 2025 (0910) , 2025
    2025
  • Least-squares Khatri-Rao factorization of a polynomial matrix
    FA Khattak, S Weiss, ALF de Almeida
    2025 33rd European Signal Processing Conference (EUSIPCO), 2292-2296 , 2025
    2025
    Citations: 2

MOST CITED SCHOLAR PUBLICATIONS

  • Tensor decompositions, alternating least squares and other tales
    P Comon, X Luciani, ALF De Almeida
    Journal of Chemometrics: A Journal of the Chemometrics Society 23 (7‐8), 393-405 , 2009
    2009
    Citations: 730
  • Channel estimation for intelligent reflecting surface assisted MIMO systems: A tensor modeling approach
    GT de Araújo, ALF de Almeida, R Boyer
    IEEE Journal of Selected Topics in Signal Processing 15 (3), 789-802 , 2021
    2021
    Citations: 510
  • TRICE: A channel estimation framework for RIS-aided millimeter-wave MIMO systems
    K Ardah, S Gherekhloo, ALF de Almeida, M Haardt
    IEEE signal processing letters 28, 513-517 , 2021
    2021
    Citations: 272
  • Massive MIMO: survey and future research topics
    DC Araújo, T Maksymyuk, ALF de Almeida, T Maciel, JCM Mota, M Jo
    Iet Communications 10 (15), 1938-1946 , 2016
    2016
    Citations: 265
  • Energy efficiency of mmWave massive MIMO precoding with low-resolution DACs
    LN Ribeiro, S Schwarz, M Rupp, ALF de Almeida
    IEEE Journal of Selected Topics in Signal Processing 12 (2), 298-312 , 2018
    2018
    Citations: 253
  • PARAFAC-based unified tensor modeling for wireless communication systems with application to blind multiuser equalization
    ALF de Almeida, G Favier, JCM Mota
    Signal Processing 87 (2), 337-351 , 2007
    2007
    Citations: 196
  • A constrained factor decomposition with application to MIMO antenna systems
    ALF de Almeida, G Favier, JCM Mota
    IEEE Transactions on Signal Processing 56 (6), 2429-2442 , 2008
    2008
    Citations: 153
  • Overview of constrained PARAFAC models
    G Favier, ALF de Almeida
    EURASIP Journal on Advances in Signal Processing 2014, 1-25 , 2014
    2014
    Citations: 151
  • A survey of converging solutions for heterogeneous mobile networks
    M Jo, T Maksymyuk, RL Batista, TF Maciel, ALF De Almeida, M Klymash
    IEEE Wireless Communications 21 (6), 54-62 , 2014
    2014
    Citations: 137
  • Tensor space-time-frequency coding with semi-blind receivers for MIMO wireless communication systems
    G Favier, ALF de Almeida
    IEEE Transactions on Signal Processing 62 (22), 5987-6002 , 2014
    2014
    Citations: 130
  • Semi-blind receivers for non-regenerative cooperative MIMO communications based on nested PARAFAC modeling
    LR Ximenes, G Favier, ALF de Almeida
    IEEE transactions on signal processing 63 (18), 4985-4998 , 2015
    2015
    Citations: 122
  • Tensor-based channel estimation for massive MIMO-OFDM systems
    DC Araújo, ALF De Almeida, JPCL Da Costa, RT de Sousa
    IEEE Access 7, 42133-42147 , 2019
    2019
    Citations: 116
  • PARAFAC-PARATUCK semi-blind receivers for two-hop cooperative MIMO relay systems
    LR Ximenes, G Favier, ALF de Almeida, YCB Silva
    IEEE Transactions on Signal Processing 62 (14), 3604-3615 , 2014
    2014
    Citations: 112
  • Double Khatri–Rao space-time-frequency coding using semi-blind PARAFAC based receiver
    ALF de Almeida, G Favier
    IEEE Signal Processing Letters 20 (5), 471-474 , 2013
    2013
    Citations: 102
  • Tensor space–time (TST) coding for MIMO wireless communication systems
    G Favier, MN Da Costa, ALF De Almeida, JMT Romano
    Signal Processing 92 (4), 1079-1092 , 2012
    2012
    Citations: 98
  • Adaptive modulation and coding based on reinforcement learning for 5G networks
    MP Mota, DC Araujo, FHC Neto, ALF de Almeida, FR Cavalcanti
    2019 IEEE Globecom Workshops (GC Wkshps), 1-6 , 2019
    2019
    Citations: 97
  • Space-time-frequency (STF) MIMO communication systems with blind receiver based on a generalized PARATUCK2 model
    ALF de Almeida, G Favier, LR Ximenes
    IEEE Transactions on Signal Processing 61 (8), 1895-1909 , 2013
    2013
    Citations: 90
  • Multiuser MIMO Systems Using Space–Time–Frequency Multiple-Access PARAFAC Tensor Modeling
    ALF de Almeida, G Favier, JCM Mota
    Optimizing wireless communication systems, 421-461 , 2009
    2009
    Citations: 81
  • Semi-blind receivers for joint symbol and channel estimation in space-time-frequency MIMO-OFDM systems
    K Liu, JPCL Da Costa, HC So, ALF De Almeida
    IEEE Transactions on Signal Processing 61 (21), 5444-5457 , 2013
    2013
    Citations: 78
  • Constrained tensor modeling approach to blind multiple-antenna CDMA schemes
    ALF de Almeida, G Favier, JCM Mota
    IEEE Transactions on Signal Processing 56 (6), 2417-2428 , 2008
    2008
    Citations: 76