Search Results - "Stassinakis, Argyris"

Capacity analysis of dual amplify-and-forward relayed free-space optical communication systems over turbulence channels with pointing errors by Peppas, Kostas P., Stassinakis, Argyris N., Nistazakis, Hector E., Tombras, George S.

“…This paper elaborates on the end-to-end capacity of dual-hop free-space optical (FSO) communication systems employing amplify-and-forward (AF) relaying,…”
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Estimation of Radiation Exposure for Various Flights from Athens International Airport by Tezari, Anastasia, Stassinakis, Argyris N., Makrantoni, Panagiota, Paschalis, Pavlos, Alexandridis, Dimitris, Gerontidou, Maria, Mavromichalaki, Helen, Karaiskos, Pantelis, Crosby, Norma, Dierckxsens, Mark

“…In recent decades, the exposure of aviation crews and passengers to cosmic radiation has been progressively increasing due to the growing need of flights…”
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The ap Prediction Tool Implemented by the A.Ne.Mo.S./NKUA Group by Mavromichalaki, Helen, Livada, Maria, Stassinakis, Argyris, Gerontidou, Maria, Papailiou, Maria-Christina, Drube, Line, Karmi, Aikaterini

“…A novel tool utilizing machine learning techniques was designed to forecast ap index values for the next three consecutive days (24 values). The tool employs…”
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Estimation of Cosmic-Ray-Induced Atmospheric Ionization and Radiation at Commercial Aviation Flight Altitudes by Makrantoni, Panagiota, Tezari, Anastasia, Stassinakis, Argyris N., Paschalis, Pavlos, Gerontidou, Maria, Karaiskos, Pantelis, Georgakilas, Alexandros G., Mavromichalaki, Helen, Usoskin, Ilya G., Crosby, Norma, Dierckxsens, Mark

“…The main source of the ionization of the Earth’s atmosphere is the cosmic radiation that depends on solar activity as well as geomagnetic activity. Galactic…”
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Radiation Dosimetry Estimations in the Venusian Atmosphere during Different Periods of Solar Activity by Tezari, Anastasia, Stassinakis, Argyris N., Paschalis, Pavlos, Mavromichalaki, Helen, Plainaki, Christina, Kanellakopoulos, Anastasios, Crosby, Norma, Dierckxsens, Mark, Karaiskos, Pantelis

“…The new space era has expanded the exploration of other planets of our solar system. In this work, radiation quantities are estimated in the Venusian…”
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Radiation Exposure in the Lower Atmosphere during Different Periods of Solar Activity by Tezari, Anastasia, Paschalis, Pavlos, Stassinakis, Argyris, Mavromichalaki, Helen, Karaiskos, Pantelis, Gerontidou, Maria, Alexandridis, Dimitris, Kanellakopoulos, Anastasios, Crosby, Norma, Dierckxsens, Mark

“…In recent years, there has been a huge increase in air travel, both for business and leisure. For this reason, entities such as the European Commission and the…”
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Unusual Forbush Decreases and Geomagnetic Storms on 24 March, 2024 and 11 May, 2024 by Mavromichalaki, Helen, Papailiou, Maria-Christina, Livada, Maria, Gerontidou, Maria, Paschalis, Pavlos, Stassinakis, Argyris, Abunina, Maria, Shlyk, Nataly, Abunin, Artem, Belov, Anatoly, Yanke, Victor, Crosby, Norma, Dierckxsens, Mark, Drube, Line

“…As the current solar cycle 25 progresses and moves towards solar maxima, solar activity is increasing and extreme space weather events are taking place. Two…”
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The Updated Version of the A.Ne.Mo.S. GLE Alert System: The Case of the Ground-Level Enhancement GLE73 on 28 October 2021 by Mavromichalaki, Helen, Paschalis, Pavlos, Gerontidou, Maria, Papailiou, Maria-Christina, Paouris, Evangelos, Tezari, Anastasia, Lingri, Dimitra, Livada, Maria, Stassinakis, Argyris N., Crosby, Norma, Dierckxsens, Mark

“…A ground-level enhancement (GLE) event is a sudden increase in cosmic ray intensity originated by solar sources and recorded by ground-based detectors. GLEs…”
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Study on Optical Positioning Using Experimental Visible Light Communication System by Vitsi, Nikoleta, Stassinakis, Argyris N., Androutsos, Nikolaos A., Roumelas, George D., Varotsos, George K., Aidinis, Konstantinos, Nistazakis, Hector E.

“…Visible light positioning systems (VLP) have attracted significant commercial and research interest because of the many advantages they possess over other…”
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An Assessment of the GLE Alert++ Warning System by Mavromichalaki, Helen, Paschalis, Pavlos, Gerontidou, Maria, Tezari, Anastasia, Papailiou, Maria-Christina, Lingri, Dimitra, Livada, Maria, Stassinakis, Argyris, Crosby, Norma, Dierckxsens, Mark

“…Over the last years the Athens Cosmic Ray Group of the National & Kapodistrian University of Athens has implemented a warning tool called GLE Alert, which is a…”
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Comparative performance study of one or multiple receivers schemes for FSO links over gamma-gamma turbulence channels by Stassinakis, Argyris N., Nistazakis, Hector E., Tombras, George S.

“…Terrestrial free space optical telecommunication systems offer license-free very high bandwidth access characteristics with significantly low installation and…”
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Performance of SIMO FSO Links over Mixture Composite Irradiance Channels by Androutsos, Nikolaos A., Nistazakis, Hector E., Stassinakis, Argyris N., Sandalidis, Harilaos G., Tombras, George S.

“…Free space optics (FSO) technology has demonstrated an increasingly scientific and commercial interest over the past few years. However, due to signal…”
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Experimental Model Development for the Attenuation Coefficient Estimation of Terrestrial Optical Wireless Links over the Sea by Stassinakis, Argyris N., Papavgeris, George A., Nistazakis, Hector E., Tsigopoulos, Andreas D., Androutsos, Nikolaos A., Tombras, George S.

“…Free space optical (FSO) systems have become a reliable solution for modern communications networks, due to the high performance, availability, reliability and…”
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Experimental Implementation and Theoretical Investigation of a Vanadium Dioxide Optical Filter for Bit Error Rate Enhancement of Enhanced Space Shift Keying Visible Light Communication Systems by Manousou, Dimitra K., Stassinakis, Argyris N., Syskakis, Emmanuel, Nistazakis, Hector E., Gardelis, Spiros, Tombras, George S.

“…Visible Light Communication (VLC) systems use light-emitting diode (LED) technology to provide high-capacity optical links. The advantages they offer, such as…”
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Mixed Topology of DF Relayed Terrestrial Optical Wireless Links with Generalized Pointing Errors over Turbulence Channels by Varotsos, GeorgeK, Nistazakis, Hector E., Stassinakis, Argyris N., Volos, Christos K., Christofilakis, Vasileios, Tombras, George S.

“…This study investigated the outage performance of a terrestrial FSO communication system that uses mixed series and parallel decode-and-forward (DF)…”
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Average capacity of optical wireless communication systems over I-K atmospheric turbulence channels by Peppas, K. P., Stassinakis, A. N., Topalis, G. K., Nistazakis, H. E., Tombras, G. S.

“…In this paper, we derive mathematical expressions for the evaluation of the average (ergodic) capacity of free-space optical (FSO) communication systems…”
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Underwater Optical Wireless Communications with Chromatic Dispersion and Time Jitter by Roumelas, George D, Nistazakis, Hector E, Stassinakis, Argyris N, Volos, Christos K, Tsigopoulos, Andreas D

“…The obsolete communication systems used in the underwater environment necessitates the development and use of modern telecommunications technologies. One such…”
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Time Jitter, Turbulence and Chromatic Dispersion in Underwater Optical Wireless Links by Roumelas, George D., Nistazakis, Hector E., Stassinakis, Argyris N., Varotsos, George K., Tsigopoulos, Andreas D., Tombras, George S.

“…The performance of an underwater optical wireless communication link is investigated by taking into account—for the first time and to the best of our…”
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Multihop Underwater Optical Wireless Links with Chromatic Dispersion and Time Jitter by Stassinakis, Argyris N., Roumelas, George D.

“…During the last few years, the need for high performance and security in communication systems, have set the underwater optical wireless communications (UOWC)…”
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