Dr. Evangelos Vlachos
Tenure-track Researcher · ATHENA RC
Dr. Evangelos Vlachos
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Paper
New Paper: Energy efficient transmission of 3D meshes over mmwave-based massive mimo systems
This research proposes an energy-efficient transmission scheme for 3D meshes over mmWave-based massive MIMO systems, achieving up to 30% reduction in power consumption while maintaining high QoE.
Jul 1, 2019
1 min read
Paper
New Paper: Hybrid Beamforming with Random Analog Sampling for Wideband Channel Estimation in Millimeter Wave Massive MIMO Systems
A novel hybrid beamforming technique combining random analog sampling and matrix completion enables accurate wideband channel estimation in millimeter wave massive MIMO systems.
Jul 1, 2019
1 min read
Paper
New Paper: Robust and Efficient Privacy Preservation in Industrial IoT via correlation completion and tracking
This research develops a novel approach to efficiently preserve privacy in Industrial IoT systems by leveraging correlation completion and tracking, enabling robust protection against sensitive information leakage.
Jul 1, 2019
1 min read
Paper
New Paper: Robust estimator for lens-based hybrid MIMO with low-resolution sampling
This paper presents a robust estimator for lens-based hybrid MIMO systems using low-resolution ADCs, improving symbol estimation accuracy and enabling practical mmWave applications.
Jul 1, 2019
1 min read
Paper
New Paper: Signal processing on static and dynamic 3d meshes: Sparse representations and applications
The paper presents novel signal processing techniques for static and dynamic 3D meshes, introducing sparse representations that enable efficient data compression and improved reconstruction accuracy.
Jul 1, 2019
1 min read
Paper
New Paper: Energy efficiency maximization of millimeter wave hybrid MIMO systems with low resolution DACs
A novel energy-efficient millimeter wave hybrid MIMO beamformer is proposed, maximizing energy efficiency by optimizing DAC resolution and selecting active RF chains using the Dinkelbach method and subset selection optimization.
May 1, 2019
1 min read
Paper
New Paper: Adaptive windowing for ICI mitigation in vehicular communications
This research introduces adaptive windowing for intercarrier interference mitigation in vehicular communications, improving receiver performance by tracking non-stationary channel statistics.
Dec 1, 2018
1 min read
Paper
New Paper: Distributed consolidation of highly incomplete dynamic point clouds based on rank minimization
A novel distributed consolidation approach uses rank minimization to reconstruct highly incomplete dynamic point clouds, enabling reliable generation of 3-D animated models.
Dec 1, 2018
1 min read
Paper
New Paper: Massive MIMO channel estimation for millimeter wave systems via matrix completion
This work develops a matrix completion-based approach to massive MIMO channel estimation in millimeter wave systems, achieving reliable recovery with reduced training symbols and improved robustness to channel variability.
Nov 1, 2018
1 min read
Paper
New Paper: Efficient channel estimation in millimeter wave hybrid MIMO systems with low resolution ADCs
The proposed algorithm efficiently estimates mmWave MIMO channels using compressed sensing and SURE-based parametric denoising, effectively leveraging low-resolution ADCs in hybrid systems.
Sep 1, 2018
1 min read
Paper
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