Zobrazeno 1 - 10
of 162
pro vyhledávání: '"Andreas Pitsillides"'
Autor:
Iacovos I. Ioannou, Marios Raspopoulos, Prabagarane Nagaradjane, Christophoros Christophorou, Waqar Ali Aziz, Vasos Vassiliou, Andreas Pitsillides
Publikováno v:
IEEE Access, Vol 12, Pp 81646-81681 (2024)
In the rapidly developing field of wireless communication, the control of beams in Reconfigurable Intelligent Surfaces (RISs) has emerged as a promising element beyond 5G wireless communication systems. Due to their distinctive reflecting elements, R
Externí odkaz:
https://doaj.org/article/8da4112120e74fd2860a4e73c33c05e5
Autor:
Iacovos I. Ioannou, Saher Javaid, Christophoros Christophorou, Vasos Vassiliou, Andreas Pitsillides, Yasuo Tan
Publikováno v:
IEEE Access, Vol 12, Pp 43350-43377 (2024)
Due to their minimal environmental impact, green energy sources like wind turbines and solar panels are increasingly utilized in power systems. However, the power they generate is highly variable, leading to unpredictable fluctuations in power supply
Externí odkaz:
https://doaj.org/article/4aef9ec8a57d4046a8f4390fc5a23ecb
Autor:
David Portugal, José N. Faria, Marios Belk, Pedro Martins, Argyris Constantinides, Anna Pietron, Andreas Pitsillides, Nikolaos Avouris, Christos A. Fidas
Publikováno v:
Smart Learning Environments, Vol 10, Iss 1, Pp 1-34 (2023)
Abstract The worldwide shift to distance learning at Higher Education Institutions (HEIs) during the COVID-19 global pandemic has raised several concerns about the credibility of online academic activities, especially regarding student identity manag
Externí odkaz:
https://doaj.org/article/cbad07cd749845b696fad9cccf1dc38b
Autor:
S. V. Jansi Rani, Iacovos I. Ioannou, Prabagarane Nagaradjane, Christophoros Christophorou, Vasos Vassiliou, Harshitaa Yarramsetti, Sai Shridhar, L. Mukund Balaji, Andreas Pitsillides
Publikováno v:
IEEE Access, Vol 11, Pp 95161-95194 (2023)
Intrusion Detection Systems (IDSs) have played a crucial role in identifying cyber threats for a very long time. Still, their significance has increased significantly with the advent of 5G/6G technologies, particularly Device-to-Device (D2D) communic
Externí odkaz:
https://doaj.org/article/4398cde656b44163a97f126aa29bf19a
Autor:
Grace Khayat, Constandinos X. Mavromoustakis, Andreas Pitsillides, Jordi Mongay Batalla, Evangelos K. Markakis, George Mastorakis
Publikováno v:
IEEE Access, Vol 11, Pp 56310-56323 (2023)
Drones, also known as unmanned aerial vehicles (UAVs), have become increasingly popular in the military and civil sectors. A swarm of UAVs (S-UAVs) is a group of UAVs that work together to complete a task. Because of the dynamic network topology of S
Externí odkaz:
https://doaj.org/article/9c034c835c8f4c83a1fa10f07b794f76
Autor:
Christos Liaskos, Ageliki Tsioliaridou, Konstantinos Georgopoulos, Ioannis Morianos, Sotiris Ioannidis, Iosif Salem, Dionyssios Manessis, Stefan Schmid, Dimitrios Tyrovolas, Sotiris A. Tegos, Prodromos-Vasileios Mekikis, Panagiotis D. Diamantoulakis, Alexandros Pitilakis, Nikolaos V. Kantartzis, George K. Karagiannidis, Anna C. Tasolamprou, Odysseas Tsilipakos, Maria Kafesaki, Ian F. Akyildiz, Andreas Pitsillides, Maria Pateraki, Michael Vakalellis, Ilias Spais
Publikováno v:
IEEE Access, Vol 10, Pp 119841-119862 (2022)
In this work, we present a new approach to Extended Reality (XR), denoted as iCOPYWAVES, which seeks to offer naturally low-latency operation and cost effectiveness, overcoming the critical scalability issues faced by existing solutions. Specifically
Externí odkaz:
https://doaj.org/article/a1b7737d6b804d96ae2fa6941f69777b
Autor:
Iacovos I. Ioannou, Christophoros Christophorou, Vasos Vassiliou, Marios Lestas, Andreas Pitsillides
Publikováno v:
IEEE Access, Vol 10, Pp 62772-62799 (2022)
This paper focuses on D2D communication for 5G/6G in dynamic environments where the D2D network topology changes through time due to D2D Devices’ mobility. Specifically, we consider a scenario within the coverage area of a Base Station (BS) serving
Externí odkaz:
https://doaj.org/article/c5330616ce314e5f92cc68a6cffd723b
Autor:
Christos A. Fidas, Marios Belk, Argyris Constantinides, David Portugal, Pedro Martins, Anna Maria Pietron, Andreas Pitsillides, Nikolaos Avouris
Publikováno v:
Education Sciences, Vol 13, Iss 6, p 566 (2023)
The credibility of online examinations in Higher Education is hardened by numerous factors and use-case scenarios. This paper reports on a longitudinal study, that spanned over eighteen months, in which various stakeholders from three European Higher
Externí odkaz:
https://doaj.org/article/b83b4cde69e845028ea6cf18e8c478fd
Publikováno v:
IEEE Access, Vol 8, Pp 89007-89030 (2020)
Over the last few years, the analysis and modeling of networks as well as the analysis and modeling of networked dynamical systems, has attracted considerable interdisciplinary interest, especially using the complex systems theory. These efforts are
Externí odkaz:
https://doaj.org/article/0271c9cebd59429388766cc754e60ea3
Autor:
Anna C. Tasolamprou, Alexandros Pitilakis, Sergi Abadal, Odysseas Tsilipakos, Xavier Timoneda, Hamidreza Taghvaee, Mohammad Sajjad Mirmoosa, Fu Liu, Christos Liaskos, Ageliki Tsioliaridou, Sotiris Ioannidis, Nikolaos V. Kantartzis, Dionysios Manessis, Julius Georgiou, Albert Cabellos-Aparicio, Eduard Alarcon, Andreas Pitsillides, Ian F. Akyildiz, Sergei A. Tretyakov, Eleftherios N. Economou, Maria Kafesaki, Costas M. Soukoulis
Publikováno v:
IEEE Access, Vol 7, Pp 122931-122948 (2019)
Software-defined metasurfaces are electromagnetically ultra-thin, artificial components that can provide engineered and externally controllable functionalities. The control over these functionalities is enabled by the metasurface tunability, which is
Externí odkaz:
https://doaj.org/article/1bdeea39b70f4488a323e2bffdacbbb5