5 papers
Segment-Wise Soft Robotics Inspired Flexible Antenna Arrays: Design and Optimization
Shuaishuai Han, Konstantinos Ntougias, Elio Faddoul +1
In this paper, we propose a segment-wise soft robotic antenna (SRA) system, where each soft robotic arm referred to as a tentacle, comprises multiple independently controllable seg…
A Family of Hybrid Beyond-Diagonal RIS Architectures: Design and Performance Analysis
Konstantinos Ntougias, Ioannis Krikidis
Beyond-diagonal reconfigurable intelligent surfaces (BD-RISs) extend conventional diagonal RISs by allowing inter-element coupling, thereby enlarging the set of attainable scatteri…
Reconfigurable Antenna Arrays With Tunable Loads: Expanding Solution Space via Coupling Control
Elio Faddoul, Konstantinos Ntougias, Ioannis Krikidis
The emerging reconfigurable antenna (RA) array technology promises capacity enhancement through dynamic antenna positioning. Traditional approaches enforce half-wavelength or great…
Soft Robotics-Inspired Flexible Antenna Arrays
Elio Faddoul, Andreas Nicolaides, Konstantinos Ntougias +1
In this work, a novel soft continuum robot-inspired antenna array is proposed, featuring tentacle-like structures with multiple antenna elements. The proposed array achieves reconf…
Hybrid RIS With Sub-Connected Active Partitions: Performance Analysis and Transmission Design
Konstantinos Ntougias, Symeon Chatzinotas, Ioannis Krikidis
The emerging reflecting intelligent surface (RIS) technology promises to enhance the capacity of wireless communication systems via passive reflect beamforming. However, the produc…