1 citations · 1 across the 10 of their papers we have counts for
9 papers · 1 filter
Enhancing the physical layer security with bending beams
Sotiris Droulias, Giorgos Stratidakis, Angeliki Alexiou
Wavefront engineering for applications in near-field wireless connectivity is gradually becoming common ground. In this landscape, beams that propagate on bent paths are ideal cand…
Bending beams for 6G near-field communications
Sotiris Droulias, Giorgos Stratidakis, Angeliki Alexiou
Future wireless connectivity is envisioned to accommodate functionalities far beyond broadband data transmission over point-to-point direct links, enabling novel scenarios, such as…
Hierarchical Localization for Integrated Sensing and Communication
Giorgos Stratidakis, Sotiris Droulias, Angeliki Alexiou
Localization is expected to play a significant role in future wireless networks as positioning and situational awareness, navigation and tracking, are integral parts of 6G usage sc…
Reconfigurable Intelligent Surfaces as Spatial Filters
Sotiris Droulias, Giorgos Stratidakis, Emil Björnson +1
The design of Reconfigurable Intelligent Surfaces (RISs) is typically based on treating the RIS as an infinitely large surface that steers incident plane waves toward the desired d…
Near-field orthogonality and cosine beams for near-field space division multiple access in 6G communications and beyond
Sotiris Droulias, Giorgos Stratidakis, Angeliki Alexiou
Spatial division multiple access (SDMA), a powerful method routinely applied in multi-user multiple-input multiple-output (MIMO) communications, relies on the angular orthogonality…
Perceptive, Resilient, and Efficient Networks assisted by Reconfigurable Intelligent Surfaces
Giorgos Stratidakis, Sotiris Droulias, Angeliki Alexiou
Wireless communications are nowadays shifting to higher operation frequencies with the aim to meet the ever-increasing demand for bandwidth. While reconfigurable intelligent surfac…
A Low-Overhead Hierarchical Beam-tracking Algorithm for THz Wireless Systems
Giorgos Stratidakis, Georgia D. Ntouni, Alexandros-Apostolos A. Boulogeorgos +2
In this paper, a novel hierarchical beamtracking approach, which is suitable for terahertz (THz) wireless systems, is presented. The main idea is to employ a prediction based algor…
Relay-Based Blockage and Antenna Misalignment Mitigation in THz Wireless Communications
Giorgos Stratidakis, Evangelos N. Papasotiriou, Haralampos Konstantinis +2
The proliferation of wireless devices in recent years has caused a spectrum shortage, which led the scientific community to explore the potential of using terahertz (THz) communica…
A cooperative localization-aided tracking algorithm for THz wireless systems
Giorgos Stratidakis, Alexandros-Apostolos A. Boulogeorgos, Angeliki Alexiou
In this paper, a novel cooperation-aided localization and tracking approach, suitable for terahertz (THz) wireless systems is presented. It combines an angle of arrival (AoA) track…