1 citations · 2 across the 13 of their papers we have counts for
15 papers
Robust Beamforming for Cell-Free Systems with Parallel-Plate-Waveguided Dynamic Metasurfaces
Konstantinos D. Katsanos, Panagiotis Gavriilidis, George C. Alexandropoulos
Dynamic Metasurface Antennas (DMAs) constitute a promising solution for extremely large antenna arrays, requiring lower power consumption and reduced hardware cost as compared to c…
Decentralized Cooperative Beamforming for BDRIS-Assisted Cell-Free MIMO OFDM Systems
Konstantinos D. Katsanos, George C. Alexandropoulos
In this paper, a wideband cell-free multi-stream multi-user Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) system is considered operating w…
Robust Consensus-Based Distributed Beamforming for Wideband Cell-free Multi-RIS MISO Systems
Konstantinos D. Katsanos, George C. Alexandropoulos
The cell-free networking paradigm constitutes a revolutionary architecture for future generations of wireless networks, which has been recently considered in synergy with Reconfigu…
RIS-Aided Localization and Sensing
Dimitris Kompostiotis, Dimitris Vordonis, Konstantinos D. Katsanos +3
High-precision localization and environmental sensing are essential for a new wave of applications, ranging from industrial automation and autonomous systems to augmented reality a…
Receiving RISs: Enabling Channel Estimation and Autonomous Configuration
George C. Alexandropoulos, Konstantinos D. Katsanos, Evangelos Vlachos
This chapter focuses on a hardware architecture for semi-passive Reconfigurable Intelligent Surfaces (RISs) and investigates its consideration for boosting the performance of Multi…
The Interference Broadcast Channel with Reconfigurable Intelligent Surfaces: A Cooperative Sum-Rate Maximization Approach
Konstantinos D. Katsanos, Paolo Di Lorenzo, George C. Alexandropoulos
This paper studies the interference broadcast channel comprising multiple multi-antenna Base Stations (BSs), each controlling a beyond diagonal Reconfigurable Intelligent Surface (…