10 papers
Electromagnetic Modeling of Deformation-Based Pinching Antennas
Dimitrios Tyrovolas, Nikos C. Sagias, Ke Guan +2
Pinching-antenna systems (PAS) rely on local perturbations of a guiding structure to radiate part of the guided electromagnetic energy, making the physical response of the resultin…
Quantized Zero-Energy RIS: Residual Phase Modeling and Outage Analysis
Dimitrios Tyrovolas, Sotiris A. Tegos, Kunrui Cao +6
Zero-energy reconfigurable intelligent surfaces (zeRISs) have recently emerged as a promising solution for enabling energy-efficient and scalable programmable wireless environments…
Single-Feed Circularly Polarized Super Realized Gain Antenna
Georgia Psychogiou, Donal P. Lynch, Spyridon N. Daskalakis +3
This paper presents a super realized gain, circularly polarized strip-crossed dipole antenna operating at 3.5 GHz. Superdirective behavior is achieved by leveraging strong inter-el…
How Many Pinching Antennas Are Enough?
Dimitrios Tyrovolas, Sotiris A. Tegos, Yue Xiao +5
Programmable wireless environments (PWEs) have emerged as a key paradigm for next-generation communication networks, aiming to transform wireless propagation from an uncontrollable…
Ergodic Rate Analysis of Two-State Pinching-Antenna Systems
Dimitrios Tyrovolas, Sotiris A. Tegos, Yue Xiao +5
Flexible Antenna Systems (FAS) are a key enabler of next-generation wireless networks, allowing the antenna aperture to be dynamically reconfigured to adapt to channel conditions a…
Compact Meandered Dipole Array Presenting Super-Realized Gain
Donal Patrick Lynch, Mengran Zhao, Aaron M. Graham +1
This paper presents a comprehensive study of a compact two-element meandered dipole array aimed at achieving super-realized gain. An optimization was performed using a Genetic Algo…
Practical Superdirective and Efficient Rectenna for Low-Power RF Energy Harvesting
Aaron M. Graham, Stylianos D. Asimonis
This paper presents the design and analysis of a superdirective rectenna optimized for enhanced RF-to-DC efficiency and realised gain, featuring direct impedance matching between t…
Low-profile Super-Realised Gain Antennas
James Moore, Aaron M. Graham, Manos M. Tentzeris +2
This study introduces an novel approach to the design of low-profile superdirective antenna arrays, employing parasitic elements. The proposed design concept was verified through t…
Super-Realized Gain Huygens Antennas
Donal Patrick Lynch, Vincent Fusco, Manos M. Tentzeris +1
This study presents a superdirective antenna array specifically designed for the sub-6 5G generation frequency range, incorporating pioneering Huygens antenna elements. The optimiz…
Super Realized Gain Antenna Array
Donal Patrick Lynch, Manos M. Tentzeris, Vincent Fusco +1
In this study, we investigate and fabricate a superdirective antenna array composed of strip dipole elements operating at a frequency of 3.5 GHz. The spacing, dimensions, and phase…