Search Results - "Assimonis, Stylianos D."
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Polarization Insensitive, Wide-Angle, Ultra-wideband, Flexible, Resistively Loaded, Electromagnetic Metamaterial Absorber using Conventional Inkjet-Printing Technology
Published in Scientific reports (26-08-2019)“…A novel, polarization insensitive, wide-angle and broadband electromagnetic metamaterial absorber, which can cover either a flat or a bent geometry, is…”
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Journal Article -
2
Efficient and Sensitive Electrically Small Rectenna for Ultra-Low Power RF Energy Harvesting
Published in Scientific reports (09-10-2018)“…A new electrically small antenna with size ka = 0.415 is presented, fabricated and measured in this work. This is intrinsically matched to 50 Ω, has…”
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3
Millimeter-wave multi-mode circular antenna array for uni-cast multi-cast and OAM communication
Published in Scientific reports (02-03-2021)“…This paper investigates uni-/multi-cast and orbital angular momentum (OAM) mode data transmission in orthogonal directions by the utilization of a new circular…”
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4
Intelligent Reflecting Surfaces With Spatial Modulation: An Electromagnetic Perspective
Published in IEEE open journal of the Communications Society (2020)“…Electromagnetic wave control using the concept of a reflecting surface is first studied as a near-field and a far-field problem. Using a secondary source…”
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5
Frequency independent, remotely reconfigurable passive coherent perfect absorber using conventional inkjet-printing technology
Published in Scientific reports (28-03-2022)“…This work presents a systematic theoretical analysis and experimental validation of a novel coherent absorber which is printed through conventional…”
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6
A Novel Two-Parametric ISI-Free Pulse Based on Inverse Hyperbolic Functions
Published in IEEE wireless communications letters (01-03-2023)“…In this letter, a new two-parametric pulse that outperforms state-of-the-art pulses with the best performance in terms of BER is proposed, which is studied in…”
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7
Implementation of Resonant Electric Based Metamaterials for Electromagnetic Wave Manipulation at Microwave Frequencies
Published in Sensors (Basel, Switzerland) (18-12-2021)“…In this paper, we present the application of a resonant electric based metamaterial element and its two-dimensional metasurface implementation for a variety of…”
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8
Computational Investigation and Design of Planar EBG Structures for Coupling Reduction in Antenna Applications
Published in IEEE transactions on magnetics (01-02-2012)“…The uniplanar cross-like compact EBG structure is thoroughly assessed by means of a computational FEM-based eigenvalue analysis. A careful inspection of the…”
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Journal Article Conference Proceeding -
9
Sensitive and Efficient RF Harvesting Supply for Batteryless Backscatter Sensor Networks
Published in IEEE transactions on microwave theory and techniques (01-04-2016)“…This work presents an efficient and high-sensitivity radio frequency (RF) energy harvesting supply. The harvester consists of a single-series circuit with one…”
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10
Superdirective Antenna Pairs for Energy-Efficient Terahertz Massive MIMO
Published in IEEE transactions on communications (01-12-2023)“…Terahertz (THz) communication is widely deemed the next frontier of wireless networks owing to the abundant spectrum resources in the THz band. Whilst THz…”
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11
A uW Backscatter-Morse-Leaf Sensor for Low-Power Agricultural Wireless Sensor Networks
Published in IEEE sensors journal (01-10-2018)“…Nowadays, the monitoring of plant water stress is of high importance in smart agriculture. Instead of the traditional ground soil-moisture measurement, the…”
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12
Soil Moisture Scatter Radio Networking With Low Power
Published in IEEE transactions on microwave theory and techniques (01-07-2016)“…A low-cost (6 Euro per sensor), low-power (in the order of 200 μW per sensor), with high communication range (on the order of 250 m), scatter radio sensor…”
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13
How Challenging is it to Design a Practical Superdirective Antenna Array?
Published in 2023 IEEE SENSORS (29-10-2023)“…This work introduces the concept of the loaded dipole antenna array configuration in the design of low-complexity, easily implemented, and highly…”
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Conference Proceeding -
14
Design and Optimization of Uniplanar EBG Structures for Low Profile Antenna Applications and Mutual Coupling Reduction
Published in IEEE transactions on antennas and propagation (01-10-2012)“…We present a series of designs for uniplanar electromagnetic bandgap structures for antennas and microwave circuits. The proposed, easy to fabricate…”
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15
Electromagnetic Modeling of Holographic Intelligent Reflecting Surfaces at Terahertz Bands
Published in 2021 55th Asilomar Conference on Signals, Systems, and Computers (31-10-2021)“…Intelligent reflecting surface (IRS)-assisted wireless communication is widely deemed a key enabler for 6G systems. The main challenge in deploying an…”
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Conference Proceeding -
16
Effective parameter extraction of 3D metamaterial arrays via first-principles homogenization theory
Published in Photonics and nanostructures (01-08-2014)“…In this paper, the effective parameters of diverse single-negative bulk structures are extracted in terms of first-principles homogenization techniques. Each…”
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Journal Article Conference Proceeding -
17
Absorbing Surfaces Using EBG Structures
Published in IEEE transactions on magnetics (01-02-2014)“…The scope of this paper is to present a systematic and versatile method, with minimal computational requirements, that incorporates the use of new…”
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Journal Article Conference Proceeding -
18
Intelligent Reflecting Surfaces at Terahertz Bands: Channel Modeling and Analysis
Published in 2021 IEEE International Conference on Communications Workshops (ICC Workshops) (01-06-2021)“…An intelligent reflecting surface (IRS) at terahertz (THz) bands is expected to have a massive number of reflecting elements to compensate for the severe…”
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Conference Proceeding -
19
Two-parameter Nyquist pulses with better performance
Published in IEEE communications letters (01-11-2008)“…We present three novel Nyquist (intersymbol interference free) pulses that outperform two sophisticated pulses reported in literature by Bealieu et al . and…”
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20
Superdirective Arrays with Finite-Length Dipoles: Modeling and New Perspectives
Published in GLOBECOM 2022 - 2022 IEEE Global Communications Conference (04-12-2022)“…Dense arrays can facilitate the integration of multiple antennas into finite volumes. In addition to the compact size, sub-wavelength spacing enables…”
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Conference Proceeding