C. Mavrokefalidis

Most-cited papers

Low-Power Leading-Zero Counting and Anticipation Logic for High-Speed Floating Point Units
G. Dimitrakopoulos, Kostas Galanopoulos, C. Mavrokefalidis, D. Nikolos
2008IEEE Transactions on Very Large Scale Integration (VLSI) Systems57 citations
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Experimental Investigation of Cooperative Schemes on a Real-Time DSP-Based Testbed
P. Zetterberg, C. Mavrokefalidis, A. Lalos, Emmanouil Matigakis
2009EURASIP Journal on Wireless Communications and Networking46 citations Open access
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Multimodal Federated Learning in AIoT Systems: Existing Solutions, Applications, and Challenges
Christos Anagnostopoulos, Alexandros Gkillas, C. Mavrokefalidis, Erion-Vasilis M. Pikoulis +2 more
2024IEEE Access17 citations Open access
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Training design in single relay AF cooperative systems with correlated channels
C. Mavrokefalidis, A. Rontogiannis, K. Berberidis
2011IEEE International Conference on Acoustics, Speech, and Signal Processing11 citations
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A New Clustering-Based Technique for the Acceleration of Deep Convolutional Networks
Erion Vasilis Pikoulis, C. Mavrokefalidis, A. Lalos
2020International Conference on Machine Learning and Applications10 citations Open access
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Sorter Based Permutation Units for Media-Enhanced Microprocessors
G. Dimitrakopoulos, C. Mavrokefalidis, Kostas Galanopoulos, D. Nikolos
2007IEEE Transactions on Very Large Scale Integration (VLSI) Systems10 citations
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Accelerating Deep Neural Networks for Efficient Scene Understanding in Multi-Modal Automotive Applications
S. Nousias, Erion-Vasilis M. Pikoulis, C. Mavrokefalidis, A. Lalos
2023IEEE Access8 citations Open access
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Channel Estimation for UAV-based mmWave Massive MIMO Communications with Beam Squint
E. Vlachos, C. Mavrokefalidis, K. Berberidis
2022European Signal Processing Conference7 citations
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Fully Distributed Federated Learning with Efficient Local Cooperations
E. Georgatos, C. Mavrokefalidis, K. Berberidis
2023IEEE International Conference on Acoustics, Speech, and Signal Processing6 citations
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A Distributed Sparse Channel Estimation Technique for mm Wave Massive MIMO Systems
Maria Trigka, C. Mavrokefalidis, K. Berberidis
2021European Signal Processing Conference6 citations Open access
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A study of the communication needs in micro-grid systems
C. Mavrokefalidis, D. Ampeliotis, K. Berberidis
2017URSI General Assembly and Scientific Symposium6 citations
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Adapt-Align-Combine for diffusion-based distributed dictionary learning
D. Ampeliotis, C. Mavrokefalidis, K. Berberidis, S. Theodoridis
2016European Signal Processing Conference6 citations
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Efficient adaptive equalization of doubly dispersive channels in MIMO-FBMC/OQAM systems
C. Mavrokefalidis, A. Rontogiannis, Eleftherios Kofidis, Antonios Beikos +1 more
2014International Symposium on Wireless Communication Systems6 citations
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Optimal training design for channel estimation in OFDM/OQAM cooperative systems
C. Mavrokefalidis, Eleftherios Kofidis, A. Rontogiannis, S. Theodoridis
2013International Workshop on Signal Processing Advances in Wireless Communications6 citations
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Preamble Design for Channel Estimation in OFDM/OQAM Cooperative Systems
C. Mavrokefalidis, Eleftherios Kofidis, A. Rontogiannis, S. Theodoridis
2013International Symposium on Wireless Communication Systems6 citations
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An Effective Preprocessing Scheme for DoA Estimation in Hybrid Antenna Arrays
Maria Trigka, C. Mavrokefalidis, K. Berberidis
2018International Conference on Telecommunications5 citations
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Improving Wideband Massive MIMO Channel Estimation With UAV State-Space Information
E. Vlachos, C. Mavrokefalidis, K. Berberidis, G. C. Alexandropoulos
2025IEEE Transactions on Vehicular Technology4 citations Open access
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Efficient Fully Distributed Federated Learning with Adaptive Local Links
E. Georgatos, C. Mavrokefalidis, K. Berberidis
2022arXiv.org4 citations Open access
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Accelerating deep neural networks for efficient scene understanding in automotive cyber-physical systems
S. Nousias, Erion-Vasilis M. Pikoulis, C. Mavrokefalidis, A. Lalos
2021Industrial Cyber-Physical Systems4 citations
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Accelerating 3D scene analysis for autonomous driving on embedded AI computing platforms
S. Nousias, Erion-Vasilis M. Pikoulis, C. Mavrokefalidis, A. Lalos +1 more
2021IEEE/IFIP International Conference on Very Large Scale Integration of System-on-Chip4 citations
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Distributed dictionary learning via projections onto convex sets
D. Ampeliotis, C. Mavrokefalidis, K. Berberidis
2017European Signal Processing Conference4 citations
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Supervised energy disaggregation using dictionary — based modelling of appliance states
C. Mavrokefalidis, D. Ampeliotis, E. Vlachos, K. Berberidis +1 more
2016IEEE PES Innovative Smart Grid Technologies Conference Europe4 citations
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Optimal training design and placement for channel estimation in cooperative networks
C. Mavrokefalidis, A. Rontogiannis, K. Berberidis
2010International Workshop on Signal Processing Advances in Wireless Communications4 citations
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Efficient Distributed Multi-Task Schemes for mmWave MIMO Channel Estimation
M. Trigka, C. Mavrokefalidis, K. Berberidis
2022IEEE Access3 citations Open access
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Efficient Radio Resource Management with Coalition Games using NOMA in Small Cell Networks
Tafseer Akhtar, Panagiotis Georgakopoulos, C. Mavrokefalidis, Artur Pereira +3 more
2020Global Communications Conference3 citations
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AoA Estimation Scheme for Fully-Connected Hybrid Architecture Antenna Arrays
Maria Trigka, C. Mavrokefalidis, K. Berberidis
2019European Conference on Antennas and Propagation3 citations
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BCI-based approaches for real-time applications
K. Markopoulos, C. Mavrokefalidis, K. Berberidis, E. Daskalopoulou
2016Panhellenic Conference on Informatics3 citations
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Preamble-based channel estimation in single-relay networks using FBMC/OQAM
C. Mavrokefalidis, Eleftherios Kofidis, A. Rontogiannis, S. Theodoridis
2014EURASIP Journal on Advances in Signal Processing3 citations Open access
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A Pre-Activation Residual Convolutional Network With Attention Modules for High-Resolution Segmented EEG Emotion Recognition
Ioannis Charalampous, C. Mavrokefalidis, K. Berberidis
2025IEEE Access2 citations Open access
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Velocity-aided Channel Estimation for Spatially Selective mmWave Massive MIMO Communications
E. Vlachos, C. Mavrokefalidis, K. Berberidis
2023European Signal Processing Conference2 citations
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Efficient Deep Model Training for Coordinated Beam-Forming in mmWave Communications
I. Nikas, C. Mavrokefalidis, K. Berberidis
2022International Conference on Systems, Signals, and Image Processing2 citations
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Coalition Formation Games for Improved Cell-Edge User Service in Downlink NOMA and MU-MIMO Small Cell Systems
Panagiotis Georgakopoulos, Tafseer Akhtar, C. Mavrokefalidis, I. Politis +2 more
2021IEEE Access2 citations Open access
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An efficient decentralized approach for mmWave MIMO Channel Estimation
Maria Trigka, C. Mavrokefalidis, K. Berberidis
20212021 International Balkan Conference on Communications and Networking (BalkanCom)2 citations
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Full snapshot reconstruction in hybrid architecture antenna arrays
M. Trigka, C. Mavrokefalidis, K. Berberidis
2020EURASIP Journal on Wireless Communications and Networking2 citations Open access
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Full snapshot reconstruction in hybrid architecture antenna arrays
Maria Trigka, C. Mavrokefalidis, K. Berberidis
2020EURASIP Journal on Wireless Communications and Networking2 citations Open access
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Semi-blind channel estimation schemes based on a cooperative form of the cross relation criterion
C. Mavrokefalidis, K. Berberidis, A. Rontogiannis
2008International Symposium on Wireless Pervasive Computing2 citations
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Neighbor Selecting Cooperation Strategies for Distributed Learning
E. Georgatos, C. Mavrokefalidis, K. Berberidis
2024European Signal Processing Conference1 citations
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A data-aware dictionary-learning based technique for the acceleration of deep convolutional networks
Erion-Vasilis M. Pikoulis, C. Mavrokefalidis, A. Lalos
2021IEEE International Workshop on Multimedia Signal Processing1 citations
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Distributed Set-Theoretic Parameter Estimation in Networks with Ambiguous Measurements
D. Ampeliotis, C. Mavrokefalidis, K. Berberidis, S. Theodoridis
2018International Workshop on Signal Processing Advances in Wireless Communications1 citations
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Regularized ICI Cancellation in V2V Communications
E. Vlachos, C. Mavrokefalidis, D. Ampeliotis, K. Berberidis
2015International Conference on Engineering Applications of Neural Networks1 citations
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Fast bit permutation unit for media enhanced microprocessors
G. Dimitrakopoulos, C. Mavrokefalidis, Kostas Galanopoulos, D. Nikolos
20062006 IEEE International Symposium on Circuits and Systems1 citations
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Distributed Learning on Non-IID Data via Partially Adaptive Cooperations
E. Georgatos, C. Mavrokefalidis, K. Berberidis
2025International Conference on Digital Signal Processing0 citations
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Risk-Aware Decentralized Federated Learning with Intermittent Communications
Periklis Theodoropoulos, C. Mavrokefalidis, K. Berberidis
2025European Signal Processing Conference0 citations
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Deep Embedded Vision Using Sparse Convolutional Neural Networks
V. Pikoulis, C. Mavrokefalidis, G. Keramidas, M. Birbas +2 more
2020ERCIM News0 citations
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Dictionary Learning via Projections onto Convex Sets
D. Ampeliotis, C. Mavrokefalidis, K. Berberidis
20170 citations
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Improving the performance of the semi-blind cross-relation-based channel estimation method
C. Mavrokefalidis, K. Berberidis
2010European Signal Processing Conference0 citations
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Implementation and Testing of Co-Operative Schemes on a Real-Time DSP-Based Testbed
P. Zetterberg, C. Mavrokefalidis, A. Lalos, Matigakis Emmanouil
20090 citations
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An Energy-Delay Efficient Subword Permutation Unit
G. Dimitrakopoulos, C. Mavrokefalidis, C. Galanopoulos, D. Nikolos
2006IEEE International Conference on Application-Specific Systems, Architectures, and Processors0 citations
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