Dr. Evangelos Vlachos
Tenure-track Researcher · ATHENA RC
Dr. Evangelos Vlachos
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6G
Flexible Hybrid Precoding for Integrated Sensing and Communications
Key Contributions
Presents flexible hybrid precoding architectures for Integrated Sensing and Communications (ISAC), enabling simultaneous radar sensing and multi-user data transmission from a shared antenna array.
Develops optimization frameworks that balance sensing beampattern design with communication spectral efficiency under practical hardware constraints including finite-resolution phase shifters.
Provides a comprehensive treatment of ISAC precoding in a book chapter context, covering design principles, algorithmic solutions, and trade-off analysis for next-generation wireless systems.
Improving Wideband Massive MIMO Channel Estimation With UAV State-Space Information
In this paper, we focus on the estimation of massive Multiple-Input Multiple-Output (mMIMO) channels in high-frequency point-to-point …
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DOI
Intelligent UAV Path Planning for Ergodic Rate Maximization of MIMO Multipath Channels
Reliable communication between ground control stations and unmanned aerial vehicles (UAVs) is fundamental for safe, autonomous, and …
New Paper: Flexible hybrid beamforming for spectrally efficient 6g joint radar-communications
This research proposes a novel flexible hybrid beamforming scheme for spectrally efficient 6G joint radar-communications, enabling interference mitigation and improved system performance through reduced RF chain usage.
May 28, 2023
1 min read
Paper
Covariance-Based Hybrid Beamforming for Spectrally Efficient Joint Radar-Communications
Joint radar-communications (JRC) is considered to be a vital technology in deploying the next generation systems, since its useful in …
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DOI
SPLASH: Signal Processing for Joint Sensing and Communications in U-Space
Co-design of sensing, communication and control protocols for next-generation U-Space services.
Jan 1, 2023
Subset Selection Based RIS-Aided Beamforming for Joint Radar-Communications
Joint radar-communications (JRC) benefits from multi-functionality of radar and communication operations using same hardware and radio …
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DOI
Velocity-aided Channel Estimation for Spatially Selective mmWave Massive MIMO Communications
This paper focuses on addressing the challenge of estimating multiple-input multiple-output (MIMO) channels for wireless communication …
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DOI
New Paper: Towards 6G: Spectrally efficient joint radar and communication with radio frequency selection, interference and hardware impairments
This research contributes to 6G by developing a spectrally efficient joint radar-communication system that selects optimal radio frequencies, mitigates interference and hardware impairments, and achieves higher degrees of freedom.
Apr 25, 2022
1 min read
Paper
ADMM-based Cooperative Control for Platooning of Connected and Autonomous Vehicles
Distributed model-predictive controllers provide a robust way to adjust the acceleration of each platoon vehicle and avoid collisions. …
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DOI
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