Publications

Journal

Multi-Functional Diversity via Flexible Spatial Partitioning for Massive MIMO ISAC

Evangelos Vlachos, A. Kaushik

Submitted to IEEE Transactions on Wireless Communications Under Review

Conf

Hardware-Aware SE(3) Control Barrier Functions for Counter-UAS Interceptors with Directed Energy Payloads

Evangelos Vlachos, P. Kolios, C. Skliros

2026 International Conference on Unmanned Aircraft Systems (ICUAS) Under Review

Journal

Distributed MPC for Directional UAV Networks: Co-design of Motion and Hybrid Beam Alignment

Evangelos Vlachos

IEEE Transactions on Control of Network Systems Under Review

Conf

Semantically-Informed Predictive Control for Autonomous UAV Connectivity in Urban Environments

Evangelos Vlachos, D. Tsourounis

2026 International Conference on Unmanned Aircraft Systems (ICUAS) Under Review

Book

arXiv

Receiving RISs: Enabling Channel Estimation and Autonomous Configuration

G. C. Alexandropoulos, K. D. Katsanos, Evangelos Vlachos

Reconfigurable Intelligent Surfaces for Wireless Communications: Modeling, Architectures, and Applications, Springer Nature, April 2026

Conf

Intelligent UAV Path Planning for Ergodic Rate Maximization of MIMO Multipath Channels

C. Vitale, Evangelos Vlachos, P. Kolios, G. Ellinas

IEEE International Conference on Communications (ICC)

Journal 287

Improving Wideband Massive MIMO Channel Estimation With UAV State-Space Information

Evangelos Vlachos, Christos Mavrokefalidis, Kostas Berberidis, George C. Alexandropoulos

IEEE Transactions on Vehicular Technology

Book

Flexible Hybrid Precoding for Integrated Sensing and Communications

Evangelos Vlachos, Aryan Kaushik, George C. Alexandropoulos

Integrated Sensing and Communications for Future Wireless Networks: Principles, Advances and Key Enabling Technologies, Elsevier, pp. 303–321

Conf

Biconvex Optimization for Time-Domain Channel Estimation Under Dual-Wideband Fading Conditions

Evangelos Vlachos, G. Alexandropoulos

33rd European Signal Processing Conference (EUSIPCO)

2023

Conf

Velocity-aided Channel Estimation for Spatially Selective mmWave Massive MIMO Communications

Evangelos Vlachos, C. Mavrokefalidis, K. Berberidis

31st European Signal Processing Conference (EUSIPCO)

2023

Conf 351

Subset Selection Based RIS-Aided Beamforming for Joint Radar-Communications

Evangelos Vlachos, Aryan Kaushik

2023 IEEE Wireless Communications and Networking Conference (WCNC)

2023

Conf 168

Covariance-Based Hybrid Beamforming for Spectrally Efficient Joint Radar-Communications

Evangelos Vlachos, Aryan Kaushik

IEEE International Conference on Communications (ICC)

Journal

Towards 6G: Spectrally efficient joint radar and communication with radio frequency selection, interference and hardware impairments

A. Kaushik, Evangelos Vlachos, M. Nekovee, J. Thompson, F. Courts

IET Signal Processing

Conf 462

Quantum Computing-Assisted Channel Estimation for Massive MIMO mmWave Systems

Evangelos Vlachos, Kostas Blekos

2022 IFIP/IEEE 30th International Conference on Very Large Scale Integration (VLSI-SoC)

Conf 171

Optimal MmWave Sensor Selection for Bearing-Only Localization in Smart Environments

Evangelos Vlachos, Evangelos D. Spyrou, Chrysostomos Stylios, Kostas Berberidis

2022 30th Mediterranean Conference on Control and Automation (MED)

Conf 769

Green Joint Radar-Communications: RF Selection with Low Resolution DACs and Hybrid Precoding

Aryan Kaushik, Evangelos Vlachos, Christos Masouros, Christos Tsinos, John Thompson

IEEE International Conference on Communications (ICC) 2022

Conf 323

ADMM-based Cooperative Control for Platooning of Connected and Autonomous Vehicles

Evangelos Vlachos, Aris S. Lalos

ICC 2022 - IEEE International Conference on Communications

2021

Journal 1248

Joint Bit Allocation and Hybrid Beamforming Optimization for Energy Efficient Millimeter Wave MIMO Systems

A. Kaushik, Evangelos Vlachos, C. Tsinos, J. Thompson, S. Chatzinotas

IEEE Transactions on Green Communications and Networking

2021

Journal 1516

Energy-Efficiency Maximization of Hybrid Massive MIMO Precoding With Random-Resolution DACs via RF Selection

Evangelos Vlachos, J. Thompson

IEEE Transactions on Wireless Communications

Conf 584

Wideband Channel Tracking for Millimeter Wave Massive Mimo Systems with Hybrid Beamforming Reception

G. C. Alexandropoulos, Evangelos Vlachos, J. Thompson

ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Journal

Radio-frequency chain selection for energy and spectral efficiency maximization in hybrid beamforming under hardware imperfections

Evangelos Vlachos, J. Thompson, A. Kaushik, C. Masouros

Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences

Conf 559

Joint Localization and Channel Estimation for UAV-Assisted Millimeter Wave Communications

G. Alexandropoulos, Evangelos Vlachos, B. Smida

2020 54th Asilomar Conference on Signals, Systems, and Computers

Conf 4378

A Hardware Architecture For Reconfigurable Intelligent Surfaces with Minimal Active Elements for Explicit Channel Estimation

G. C. Alexandropoulos, Evangelos Vlachos

ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Journal 4087

Wideband MIMO Channel Estimation for Hybrid Beamforming Millimeter Wave Systems via Random Spatial Sampling

Evangelos Vlachos, G. Alexandropoulos, J. S. Thompson

IEEE Journal of Selected Topics in Signal Processing

Journal 1684

Signal Processing on Static and Dynamic 3D Meshes: Sparse Representations and Applications

A. S. Lalos, Evangelos Vlachos, G. Arvanitis, K. Moustakas, K. Berberidis

Conf 187

Robust Estimator for Lens-based Hybrid MIMO with Low-Resolution Sampling

Evangelos Vlachos, J. Thompson, M. A. Babar Abbasi, V. F. Fusco, M. Matthaiou

2019 IEEE 20th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)

Conf 157

Robust and Efficient Privacy Preservation in Industrial IoT via correlation completion and tracking

A. S. Lalos, Evangelos Vlachos, K. Berberidis, A. Fournaris, C. Koulamas

2019 IEEE 17th International Conference on Industrial Informatics (INDIN)

Conf 349

Hybrid Beamforming with Random Analog Sampling for Wideband Channel Estimation in Millimeter Wave Massive MIMO Systems

Evangelos Vlachos, G. C. Alexandropoulos, J. Thompson

2019 IEEE 20th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)

Conf 159

Energy Efficient Transmission of 3D Meshes Over MMWave-Based Massive MIMO Systems

A. Lalos, G. Arvanitis, Evangelos Vlachos, K. Moustakas

2019 IEEE International Conference on Multimedia and Expo (ICME)

Conf 393

Energy Efficient ADC Bit Allocation and Hybrid Combining for Millimeter Wave MIMO Systems

A. Kaushik, C. Tsinos, Evangelos Vlachos, J. Thompson

2019 IEEE Global Communications Conference (GLOBECOM)

Conf 686

Energy Efficiency Maximization of Millimeter Wave Hybrid MIMO Systems with Low Resolution DACs

A. Kaushik, Evangelos Vlachos, J. Thompson

IEEE International Conference on Communications (ICC) 2019

Journal 2333

Dynamic RF Chain Selection for Energy Efficient and Low Complexity Hybrid Beamforming in Millimeter Wave MIMO Systems

A. Kaushik, J. Thompson, Evangelos Vlachos, C. Tsinos, S. Chatzinotas

IEEE Transactions on Green Communications and Networking

Journal 4022

Massive MIMO Channel Estimation for Millimeter Wave Systems via Matrix Completion

Evangelos Vlachos, George C. Alexandropoulos, J. Thompson

IEEE Signal Processing Letters

Conf 817

Energy Efficient Transmitter with Low Resolution DACs for Massive MIMO with Partially Connected Hybrid Architecture

Evangelos Vlachos, A. Kaushik, J. Thompson

2018 IEEE 87th Vehicular Technology Conference (VTC Spring)

Conf

Efficient Channel Estimation in Millimeter Wave Hybrid MIMO Systems with Low Resolution ADCs

A. Kaushik, Evangelos Vlachos, J. Thompson, A. Perelli

2018 26th European Signal Processing Conference (EUSIPCO)

Conf 300

Dithered Beamforming for Channel Estimation in Mmwave-Based Massive Mimo

Evangelos Vlachos, J. Thompson

2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Journal 352

Distributed consolidation of highly-incomplete dynamic point clouds based on rank minimization

Evangelos Vlachos, A. S. Lalos, A. Spathis-Papadiotis, K. Moustakas

IEEE Transactions on Multimedia

Journal 308

Adaptive Windowing for ICI Mitigation in Vehicular Communications

Evangelos Vlachos, A. S. Lalos, K. Berberidis, J. Thompson

IEEE Wireless Communications Letters

2017

Conf 316

Efficient graph-based matrix completion on incomplete animated models

Evangelos Vlachos, A. S. Lalos, K. Moustakas, K. Berberidis

2017 IEEE International Conference on Multimedia and Expo (ICME)

2017

Journal 637

Compressed Sensing for Efficient Encoding of Dense 3D Meshes Using Model-Based Bayesian Learning

A. Lalos, I. Nikolas, Evangelos Vlachos, K. Moustakas

IEEE Transactions on Multimedia

2017

Conf 892

Autonomous driving in 5G: Mitigating interference in OFDM-based vehicular communications

Evangelos Vlachos, A. S. Lalos, K. Berberidis, C. Tselios

2017 IEEE 22nd International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)

Conf 235

Supervised energy disaggregation using dictionary-based modelling of appliance states

C. Mavrokefalidis, D. Ampeliotis, Evangelos Vlachos, K. Berberidis, E. Varvarigos

2016 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe)

Journal 692

Low-complexity OSIC equalization for OFDM-based Vehicular Communications

Evangelos Vlachos, A. S. Lalos, K. Berberidis

IEEE Transactions on Vehicular Technology

Conf 160

Blind distributed beamforming via matrix completion

C. G. Tsinos, Evangelos Vlachos, K. Berberidis

2016 IEEE 17th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)

Conf 309

Adaptive completion of the correlation matrix in wireless sensor networks

Evangelos Vlachos, K. Berberidis

24th European Signal Processing Conference (EUSIPCO)

Conf 158

Regularized MMSE ICI equalization for OFDM systems over doubly selective channels

Evangelos Vlachos, A.S. Lalos, K. Berberidis

IEEE International Symposium on Signal Processing and Information Technology

Conf 95

Galerkin projections-based ICI cancellation in OFDM systems with doubly selective channels

Evangelos Vlachos, A.S. Lalos, K. Berberidis

18th International Conference on Digital Signal Processing (DSP)

Conf 150

Distributed blind adaptive computation of beamforming weights for relay networks

C. G. Tsinos, Evangelos Vlachos, K. Berberidis

2013 IEEE 24th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)

Conf 195

A scheme for X-ray medical image denoising using sparse representations

E. Adamidi, Evangelos Vlachos, A. Dermitzakis, K. Berberidis, N. Pallikarakis

IEEE 13th International Conference on Bioinformatics and Bioengineering (BIBE)

Conf 227

A decentralized approach to generalized power system state estimation

V. Kekatos, Evangelos Vlachos, D. Ampeliotis, G. Giannakis, K. Berberidis

IEEE 5th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)

2012

Journal 1052

Stochastic Gradient Pursuit for Adaptive Equalization of Sparse Multipath Channels

Evangelos Vlachos, A.S. Lalos, K. Berberidis

IEEE Journal on Emerging and Selected Topics in Circuits and Systems

2012

Conf 302

Compressed Sensing Techniques for Decision Feedback Equalization of Sparse Wireless Channels

Evangelos Vlachos, A. Lalos, G. Lionas, K. Berberidis

IEEE 75th Vehicular Technology Conference (VTC Spring)

2011

Conf 218