3 citations · 3 across the 16 of their papers we have counts for
19 papers
Secure Near-Field ISAC with Pinching-Antenna Systems: Exploiting Constructive-Destructive Interference
Dimitrios Bozanis, Vasilis K. Papanikolaou, Sotiris A. Tegos +3
This paper investigates secure near-field integrated sensing and communication (ISAC) with pinching-antenna systems (PASS), where a base station serves legitimate users while local…
Statistical Channel Model for FSO Systems Assisted by a UAV-Mounted IRS
Ferdaous Tarhouni, Vasilis K. Papanikolaou, Laura Cottatellucci +2
Integrating optical intelligent reflecting surfaces (IRSs) into aerial platforms, such as unmanned aerial vehicles (UAVs), has been proposed to relax the line-of-sight (LoS) constr…
CMT-Aware Channel Modeling and Transmit-Power Minimization for Pinching-Antenna Systems
Chuang Luo, Gui Zhou, Vasilis K. Papanikolaou +2
This letter investigates transmit-power minimization for multiuser pinching-antenna system (PAS) from a coupled-mode-theory (CMT)-aware perspective. Existing CMT-based pinching ant…
Reliable ORIS-assisted FSO Communications via HARQ
Georgios D. Chondrogiannis, Athanasios P. Chrysologou, Vasilis K. Papanikolaou +3
This paper studies a free-space optical (FSO) link assisted by an optical reconfigurable intelligent surface (ORIS) and enhanced by a hybrid automatic repeat request (HARQ) scheme.…
Closed-form Model for Radiation Pattern of Pinching Antennas
Muhammad Zubair, Vasilis K. Papanikolaou, Robert Schober
In this article, we develop an analytical radiation-pattern model for pinching-antenna systems (PASS) based on a two-dimensional dielectric slab waveguide. The model is derived in…
Clustered Movable Pinching Antennas: Realizing Beamforming Gains and Target Diversity in ISAC Systems with Look-Angle-Dependent RCS
Ata Khalili, Brikena Kaziu, Vasilis K. Papanikolaou +1
We investigate a novel integrated sensing and communication (ISAC) system enabled by pinching antennas (PAs), which are dynamically activated along a dielectric waveguide. Unlike p…
Resolving the Double Near-Far Problem via Wireless Powered Pinching-Antenna Networks
Vasilis K. Papanikolaou, Gui Zhou, Brikena Kaziu +4
This letter introduces a novel wireless powered communication system, referred to as a wireless powered pinching-antenna network (WPPAN), utilizing a single waveguide with pinching…
Pinching Antenna-enabled ISAC Systems: Exploiting Look-Angle Dependence of RCS for Target Diversity
Ata Khalili, Brikena Kaziu, Vasilis K. Papanikolaou +1
We investigate a novel integrated sensing and communication (ISAC) system supported by pinching antennas (PAs), which can be dynamically activated along a dielectric waveguide to c…
Cramér-Rao Bounds for Integrated Sensing and Communications in Pinching-Antenna Systems
Dimitrios Bozanis, Vasilis K. Papanikolaou, Sotiris A. Tegos +1
Pinching-antenna systems (PASs) have recently emerged as a flexible, cost-effective route to large-scale antenna deployments envisioned for integrated sensing and communications (I…
Channel Estimation for mmWave Pinching-Antenna Systems
Gui Zhou, Vasilis Papanikolaou, Zhiguo Ding +1
The full potential of pinching-antenna systems (PAS) can be unblocked if pinching antennas can be accurately activated at positions tailored for the serving users', which means tha…
Location-Driven Programmable Wireless Environments through Light-emitting RIS (LeRIS)
Dimitrios Bozanis, Dimitrios Tyrovolas, Vasilis K. Papanikolaou +5
As 6G wireless networks seek to enable robust and dynamic programmable wireless environments (PWEs), reconfigurable intelligent surfaces (RISs) have emerged as a cornerstone for co…
Empowering Programmable Wireless Environments with Optical Anchor-based Positioning
Dimitrios Tyrovolas, Dimitrios Bozanis, Sotiris A. Tegos +5
The evolution toward sixth-generation (6G) wireless networks has introduced programmable wireless environments (PWEs) and reconfigurable intelligent surfaces (RISs) as transformati…
Delay Dispersion in IRS-assisted FSO Links
Hedieh Ajam, Vahid Jamali, Bernhard Schmauss +1
The line-of-sight (LOS) requirement of free-space optical (FSO) systems can be relaxed by employing optical intelligent reflecting surfaces (IRSs). In this paper, we model the impa…
100 Gbps Indoor Access and 4.8 Gbps Outdoor Point-to-Point LiFi Transmission Systems using Laser-based Light Sources
Cheng Cheng, Sovan Das, Stefan Videv +12
In this paper, we demonstrate the communication capabilities of light-fidelity (LiFi) systems based on highbrightness and high-bandwidth integrated laser-based sources in a surface…
Accurate EH Modelling and Achievable Information Rate for SLIPT Systems with Multi-Junction Photovoltaic Receivers
Nikita Shanin, Hedieh Ajam, Vasilis K. Papanikolaou +2
In this paper, we study optical simultaneous lightwave information and power transfer (SLIPT) systems employing photovoltaic optical receivers (RXs). To be able to efficiently harv…
EH Modelling and Achievable Rate for FSO SWIPT Systems with Non-linear Photovoltaic Receivers
Nikita Shanin, Hedieh Ajam, Vasilis K. Papanikolaou +3
In this paper, we study optical simultaneous wireless information and power transfer (SWIPT) systems, where a photovoltaic optical receiver (RX) is illuminated by ambient light and…
Zero-Energy Reconfigurable Intelligent Surfaces (zeRIS)
Dimitrios Tyrovolas, Sotiris A. Tegos, Vasilis K. Papanikolaou +6
A primary objective of the forthcoming sixth generation (6G) of wireless networking is to support demanding applications, while ensuring energy efficiency. Programmable wireless en…
EU cost action on future generation optical wireless communication technologies -- newfocus ca19111, a white paper
M A Khalighi, Z Ghassemlooy, S Zvanovec +12
The EU COST Action NEWFOCUS is focused on investigating radical solutions with the potential to impact the design of future wireless networks. It aims to address some of the challe…
Machine Learning in Nano-Scale Biomedical Engineering
Alexandros-Apostolos A. Boulogeorgos, Stylianos E. Trevlakis, Sotiris A. Tegos +2
Machine learning (ML) empowers biomedical systems with the capability to optimize their performance through modeling of the available data extremely well, without using strong assu…