Search Results - "Kantartzis, Nikolaos V."

Accurate Nonstandard Path Integral Models for Arbitrary Dielectric Boundaries in 2-D NS-FDTD Domains by Ohtani, Tadao, Kanai, Yasushi, Kantartzis, Nikolaos V

“…An efficient path integral (PI) model for the accurate analysis of curved dielectric structures on coarse grids via the two-dimensional nonstandard…”
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Emergence of Type-II Dirac Points in Graphynelike Photonic Lattices by Pyrialakos, Georgios G, Nye, Nicholas S, Kantartzis, Nikolaos V, Christodoulides, Demetrios N

“…We theoretically demonstrate that a type-II class of tilted Dirac cones can emerge in generalized two-dimensional anisotropic lattice arrangements. This is…”
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Thyroid Screening Techniques via Bioelectromagnetic Sensing: Imaging Models and Analytical and Computational Methods by Varvari, Anna A, Pitilakis, Alexandros, Karatzidis, Dimitrios I, Kantartzis, Nikolaos V

“…The thyroid gland, which is sensitive to electromagnetic radiation, plays a crucial role in the regulation of the hormonal levels of the human body…”
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A Nonstandard Path Integral Model for Curved Surface Analysis by Ohtani, Tadao, Kanai, Yasushi, Kantartzis, Nikolaos V.

“…The nonstandard finite-difference time-domain (NS-FDTD) method is implemented in the differential form on orthogonal grids, hence the benefit of opting for…”
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Symmetry-controlled edge states in the type-II phase of Dirac photonic lattices by Pyrialakos, Georgios G., Schmitt, Nora, Nye, Nicholas S., Heinrich, Matthias, Kantartzis, Nikolaos V., Szameit, Alexander, Christodoulides, Demetrios N.

“…The exceptional properties exhibited by two-dimensional materials, such as graphene, are rooted in the underlying physics of the relativistic Dirac equation…”
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Efficient Filter Design to Compensate Fabrication Imperfections in 6G Communication Systems by Stamatopoulos, Ioannis, Koutzoglou, Ioannis, Karatzidis, Dimitrios I, Zaharis, Zaharias D, Lazaridis, Pavlos I, Kantartzis, Nikolaos V

“…In this paper, we present a consistent methodology for the reliable design of 6G-oriented filters with enhanced endurance to construction imperfections. The…”
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Impact Evaluation of an External Point Source to a Generalized Model of the Human Neck by Varvari, Anna A., Karatzidis, Dimitrios I., Ohtani, Tadao, Kanai, Yasushi, Kantartzis, Nikolaos V.

“…A methodical approach for assessing the effects of an external point source to a non-spherical model of the human neck is presented in this paper. The neck…”
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Scalability Analysis of Programmable Metasurfaces for Beam Steering by Taghvaee, Hamidreza, Abadal, Sergi, Pitilakis, Alexandros, Tsilipakos, Odysseas, Tasolamprou, Anna C., Liaskos, Christos, Kafesaki, Maria, Kantartzis, Nikolaos V., Cabellos-Aparicio, Albert, Alarcon, Eduard

“…Programmable metasurfaces have garnered significant attention as they confer unprecedented control over the electromagnetic (EM) response of any surface. Such…”
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Optimal Modeling of Infinite Graphene Sheets via a Class of Generalized FDTD Schemes by Bouzianas, Georgios D., Kantartzis, Nikolaos V., Antonopoulos, Christos S., Tsiboukis, Theodoros D.

“…The accurate and fully 3-D analysis of graphene surface conductivity models by means of a frequency-dependent finite-difference time-domain method is…”
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A Review of the State of the Art and Future Challenges of Deep Learning-Based Beamforming by Kassir, Haya Al, Zaharis, Zaharias D., Lazaridis, Pavlos I., Kantartzis, Nikolaos V., Yioultsis, Traianos V., Xenos, Thomas D.

“…The key objective of this paper is to explore the recent state-of-the-art artificial intelligence (AI) applications on the broad field of beamforming. Hence, a…”
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A Survey on Optimizing Mobile Delivery of 360° Videos: Edge Caching and Multicasting by Mahmoud, Moatasim, Rizou, Stamatia, Panayides, Andreas S., Kantartzis, Nikolaos V., Karagiannidis, George K., Lazaridis, Pavlos I., Zaharis, Zaharias D.

“…Recently, there has been an ever-growing demand for virtual reality (VR) and 360° video applications. Different from conventional 2D videos, 360° videos take…”
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Pattern Reconfigurable Antennas at Millimeter-Wave Frequencies: A Comprehensive Survey by Pablo Zapata Cano, H., Zaharis, Zaharias D., Yioultsis, Traianos V., Kantartzis, Nikolaos V., Lazaridis, Pavlos I.

“…Millimeter-wave bands (around 28, 38, 60, and 73 GHz) are anticipated to play a decisive role in the hosting of future wireless systems. The necessity of smart…”
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Sensitivity Analysis of Metamaterial-Inspired SIW Focusing on Resonator Misalignment by Amanatiadis, Stamatios, Salonikios, Vasileios, Nitas, Michalis, Zygiridis, Theodoros, Kantartzis, Nikolaos, Yioultsis, Traianos

“…The performance of the metamaterial-inspired substrate-integrated waveguide is discussed in this work, concerning a resonator misalignment potentially caused…”
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Enhancing Adaptive Beamforming in 3-D Space Through Self-Improving Neural Network Techniques by Mallioras, Ioannis, Yioultsis, Traianos V., Kantartzis, Nikolaos V., Lazaridis, Pavlos I., Zaharis, Zaharias D.

“…In the rapidly evolving domain of wireless networks, adaptive beamforming stands as a cornerstone for achieving higher data rates, enhanced network capacity,…”
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Toward the Realization of a Programmable Metasurface Absorber Enabled by Custom Integrated Circuit Technology by Kossifos, Kypros M., Petrou, Loukas, Varnava, Giorgos, Pitilakis, Alexandros, Tsilipakos, Odysseas, Liu, Fu, Karousios, Petros, Tasolamprou, Anna C., Seckel, Manuel, Manessis, Dionysios, Kantartzis, Nikolaos V., Kwon, Do-Hoon, Antoniades, Marco A., Georgiou, Julius

“…The realization of a programmable metasurface, enabled by a custom application-specific integrated circuit (ASIC), is presented in this paper. The ASIC is used…”
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On the Mobility Effect in UAV-mounted Absorbing Metasurfaces: A Theoretical and Experimental Study by Pitilakis, Alexandros, Tyrovolas, Dimitrios, Mekikis, Prodromos-Vasileios, Tegos, Sotiris A., Papadopoulos, Alexandros, Tsioliaridou, Aggeliki, Tsilipakos, Odysseas, Manessis, Dionysios, Ioannidis, Sotiris, Kantartzis, Nikolaos, Akyildiz, Ian F., Liaskos, Christos K.

“…In this work, we focus on the theoretical modeling and experimental evaluation of UAV-mounted absorbing metasurfaces as facilitators for secure wireless…”
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A Generalized Domain-Decomposition Stochastic FDTD Technique for Complex Nanomaterial and Graphene Structures by Kantartzis, Nikolaos V., Zygiridis, Theodoros T., Antonopoulos, Christos S., Kanai, Yasushi, Tsiboukis, Theodoros D.

“…The systematic and accurate design process of realistic nanocomposite applications and finite-sized graphene setups with arbitrary media uncertainties is…”
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Robust FDTD Modeling of Graphene-Based Conductive Materials with Transient Features for Advanced Antenna Applications by Zapata Cano, Pablo H, Amanatiadis, Stamatios, Zaharis, Zaharias D, Yioultsis, Traianos V, Lazaridis, Pavlos I, Kantartzis, Nikolaos V

“…The accurate modeling of frequency-dispersive materials is a challenging task, especially when a scheme with a transient nature is utilized, as it is the case…”
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Chaotic Jaya Approaches to Solving Electromagnetic Optimization Benchmark Problems by Coelho, Leandro dos S., Mariani, Viviana C., Goudos, Sotirios K., Boursianis, Achilles D., Kokkinidis, Konstantinos, Kantartzis, Nikolaos V.

“…The Jaya optimization algorithm is a simple, fast, robust, and powerful population-based stochastic metaheuristic that in recent years has been successfully…”
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Multiobjective Ant Lion Approaches Applied to Electromagnetic Device Optimization by Pierezan, Juliano, Coelho, Leandro dos S., Mariani, Viviana C., Goudos, Sotirios K., Boursianis, Achilles D., Kantartzis, Nikolaos V., Antonopoulos, Christos. S., Nikolaidis, Spiridon

“…Nature-inspired metaheuristics of the swarm intelligence field are a powerful approach to solve electromagnetic optimization problems. Ant lion optimizer (ALO)…”
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