Παρακολούθηση
Thomas Sphicopoulos
Thomas Sphicopoulos
Η διεύθυνση ηλεκτρονικού ταχυδρομείου έχει επαληθευτεί στον τομέα di.uoa.gr
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Παρατίθεται από
Παρατίθεται από
Έτος
Diffusion models of mobile telephony in Greece
C Michalakelis, D Varoutas, T Sphicopoulos
Telecommunications Policy 32 (3-4), 234-245, 2008
1932008
Combining illumination dimming based on pulse-width modulation with visible-light communications based on discrete multitone
G Ntogari, T Kamalakis, JW Walewski, T Sphicopoulos
Journal of Optical Communications and Networking 3 (1), 56-65, 2011
1612011
Impact of nonlinear LED transfer function on discrete multitone modulation: Analytical approach
I Neokosmidis, T Kamalakis, JW Walewski, B Inan, T Sphicopoulos
Journal of Lightwave technology 27 (22), 4970-4978, 2009
1512009
The reflection from an open-ended rectangular waveguide terminated by a layered dielectric medium
V Teodoridis, T Sphicopoulos, FE Gardiol
IEEE transactions on microwave theory and techniques 33 (5), 359-366, 1985
1191985
Analysis of stacked microstrip patches with a mixed potential integral equations
L Bartaley, JR Mosig, T Sphicopoulos
IEEE Trans Antennas & Propag (USA) 38 (5), 608-615, 1990
1091990
Digital divide gap convergence in Europe
V Kyriakidou, C Michalakelis, T Sphicopoulos
Technology in Society 33 (3-4), 265-270, 2011
932011
On the economics of 3G mobile virtual network operators (MVNOs)
D Varoutas, D Katsianis, T Sphicopoulos, K Stordahl, I Welling
Wireless Personal Communications 36, 129-142, 2006
832006
The financial perspective of the mobile networks in Europe
D Katsianis, I Welling, M Ylonen, D Varoutas, T Sphicopoulos, ...
IEEE Personal communications 8 (6), 58-64, 2001
812001
Hybrid free space optical/millimeter wave outdoor links for broadband wireless access networks
T Kamalakis, I Neokosmidis, A Tsipouras, T Sphicopoulos, S Pantazis, ...
2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio …, 2007
692007
Innovation diffusion with generation substitution effects
C Michalakelis, D Varoutas, T Sphicopoulos
Technological Forecasting and Social Change 77 (4), 541-557, 2010
682010
A tractable above-threshold model, for the design of DFB and phase-shifted DFB lasers
I Orfanos, T Sphicopoulos, A Tsigopoulos, C Caroubalos
IEEE journal of quantum electronics 27 (4), 946-956, 1991
641991
Performance analysis of space time block coding techniques for indoor optical wireless systems
G Ntogari, T Kamalakis, T Sphicopoulos
IEEE Journal on Selected Areas in Communications 27 (9), 1545-1552, 2009
582009
New techniques for the suppression of the four-wave mixing-induced distortion in nonzero dispersion fiber WDM systems
I Neokosmidis, T Kamalakis, A Chipouras, T Sphicopoulos
Journal of lightwave technology 23 (3), 1137, 2005
542005
Estimation of the power scintillation probability density function in free-space optical links by use of multicanonical Monte Carlo sampling
T Kamalakis, T Sphicopoulos, SS Muhammad, E Leitgeb
Optics letters 31 (21), 3077-3079, 2006
532006
Slow light in insulator–metal–insulator plasmonic waveguides
EP Fitrakis, T Kamalakis, T Sphicopoulos
JOSA B 28 (9), 2159-2164, 2011
472011
Assessment of information and communications technology maturity level
V Kyriakidou, C Michalakelis, T Sphicopoulos
Telecommunications Policy 37 (1), 48-62, 2013
422013
Convergence properties and practical estimation of the probability of rank reversal in pairwise comparisons for multi-criteria decision making problems
G Dede, T Kamalakis, T Sphicopoulos
European Journal of Operational Research 241 (2), 458-468, 2015
402015
Seroprevalence of antibodies against SARS-CoV-2 among the personnel and students of the National and Kapodistrian University of Athens, Greece: a preliminary report
OE Tsitsilonis, D Paraskevis, E Lianidou, V Pierros, A Akalestos, ...
Life 10 (9), 214, 2020
382020
Theoretical estimation of the probability of weight rank reversal in pairwise comparisons
G Dede, T Kamalakis, T Sphicopoulos
European Journal of Operational Research 252 (2), 587-600, 2016
362016
An Estimation of Performance DegradationDue to Fabrication Errors in AWGs
T Kamalakis, T Sphicopoulos, D Syvridis
Journal of lightwave technology 20 (9), 1779, 2002
352002
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