George S. Tombras

Orcid: 0000-0002-1018-1592

According to our database1, George S. Tombras authored at least 87 papers between 1992 and 2022.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

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Bibliography

2022
High School Students' Difficulties and their Causes due to the Electromotive Force, in the Study of Direct Current Simple Electric Circuits.
Int. J. Recent Contributions Eng. Sci. IT, November, 2022

Research for a Teaching Approach: An Example of Addressing the High School Students' Conceptual and Reasoning Difficulties in the Study of Direct Current Simple Electric Circuits.
Int. J. Recent Contributions Eng. Sci. IT, 2022

STEM Lab on Climate Change with Simple Hands-on Experiments.
Proceedings of the IEEE Global Engineering Education Conference, 2022

Hands-on Experiments in Electricity for Physics Teachers and Students.
Proceedings of the IEEE Global Engineering Education Conference, 2022

Hands-on Physics Experiments for K-6 Teachers at CERN.
Proceedings of the IEEE Global Engineering Education Conference, 2022

2021
Α dual-hop equivalent structure of a generalised multi-hop free-space optics network.
IET Commun., 2021

A Physics and Engineering Lab for Primary Teachers at CERN.
Int. J. Recent Contributions Eng. Sci. IT, 2021

On the BER Performance of OOK FSO Links with Receivers' Diversity and Time Jitter over Strong Turbulence Channels.
Proceedings of the 10th International Conference on Modern Circuits and Systems Technologies, 2021

Block Error Performance of PAM or PPM SIMO FSO Links over Strong Turbulence Channels.
Proceedings of the 10th International Conference on Modern Circuits and Systems Technologies, 2021

Greek MOOC of Experiments with Simple Materials for Students Generates Significant Findings for Teachers and Physics Education.
Proceedings of the IEEE Global Engineering Education Conference, 2021

A Lab of Hands-on STEM Experiments for Primary Teachers at CERN.
Proceedings of the IEEE Global Engineering Education Conference, 2021

2020
An Empirical Expression for Attenuation Coefficient Evaluation of FSO Links During Night-Time Over Maritime Area of Piraeus Port in Greece.
Proceedings of the 9th International Conference on Modern Circuits and Systems Technologies, 2020

A Chaotic Circuit with Bi-Color LED as a Nonlinear Element.
Proceedings of the 9th International Conference on Modern Circuits and Systems Technologies, 2020

Outage Probability Estimation for a Multi-hop Terrestrial FSO Link Simplified to a Dual-hop Scheme.
Proceedings of the 9th International Conference on Modern Circuits and Systems Technologies, 2020

Learning-by-Doing as an Educational Method of Conducting Experiments in Electronic Physics.
Proceedings of the 2020 IEEE Global Engineering Education Conference, 2020

2019
SIMO subcarrier PSK FSO links with phase noise and non-zero boresight pointing errors over turbulence channels.
IET Commun., 2019

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.
Comput., 2019

Performance Analysis of Hard-Switching Based Hybrid FSO/RF System over Turbulence Channels.
Comput., 2019

Serial DF Relayed FSO Links over Mixture Gamma Turbulence Channels and Nonzero Boresight Spatial Jitter.
Comput., 2019

Performance of Underwater Wireless Optical Link Under Weak Turbulence and Pointing Errors Using Heterodyne QAM Technique.
Proceedings of the Optical Network Design and Modeling, 2019

On the use of Diversity in Transdermal Optical Wireless Links with Nonzero Boresight Pointing Errors for Outage Performance Estimation.
Proceedings of the 8th International Conference on Modern Circuits and Systems Technologies, 2019

Triple Hybrid Terresstrial FSO/RF/MMW System with Receiver's Diversity.
Proceedings of the 8th International Conference on Modern Circuits and Systems Technologies, 2019

DF Relayed QAM or DBPSK FSO Links with Generalized Pointing Errors Over Mixture Gamma Turbulence Channels.
Proceedings of the 8th International Conference on Modern Circuits and Systems Technologies, 2019

Research and Categorization of Conceptual Difficulties in Electricity's Concepts and Basic Laws.
Proceedings of the IEEE Global Engineering Education Conference, 2019

The Use of Technology to Support Learning at Western Region Colleges, UAE.
Proceedings of the IEEE Global Engineering Education Conference, 2019

Pedagogical Approaches to 21st Century Learning: A Model to Prepare Learners for 21<sup>st</sup> Century Competencies and Skills in Engineering.
Proceedings of the IEEE Global Engineering Education Conference, 2019

2018
Hyperchaotic Attractor in a Novel Hyperjerk System with Two Nonlinearities.
Circuits Syst. Signal Process., 2018

Analysis, Synchronization and Circuit Design of a 4D Hyperchaotic Hyperjerk System.
Comput., 2018

Outage performance of mixed, parallel and serial DF relayed FSO links over weak turbulence channels with nonzero boresight pointing errors.
Proceedings of the 7th International Conference on Modern Circuits and Systems Technologies, 2018

Robot's path planning based on emulated finite resistive grids.
Proceedings of the 7th International Conference on Modern Circuits and Systems Technologies, 2018

CDMA radio on FSO links over gamma turbulence channels with nonzero boresight pointing errors.
Proceedings of the 7th International Conference on Modern Circuits and Systems Technologies, 2018

Estimation of the influence of Vanadium dioxide optical filters at the performance of visible light communication systems.
Proceedings of the 7th International Conference on Modern Circuits and Systems Technologies, 2018

2017
OFDM RoFSO Links with Relays Over Turbulence Channels and Nonzero Boresight Pointing Errors.
J. Commun., 2017

An Accurate Computational Tool for Performance Estimation of FSO Communication Links over Weak to Strong Atmospheric Turbulent Channels.
Comput., 2017

A Novel Chaotic System without Equilibrium: Dynamics, Synchronization, and Circuit Realization.
Complex., 2017

Average error performance in Subcarrier PSK FSO links over weak turbulence channels with spatial jitter and phase noise.
Proceedings of the 6th International Conference on Modern Circuits and Systems Technologies, 2017

DF relayed FSO communication systems with time dispersion over Gamma Gamma turbulence and misalignment.
Proceedings of the 6th International Conference on Modern Circuits and Systems Technologies, 2017

Block error rate estimation for wireless optical communication links over strong turbulence channels with pointing errors.
Proceedings of the 6th International Conference on Modern Circuits and Systems Technologies, 2017

PSK OFDM optical wireless communication systems with receiver's diversity over gamma-gamma turbulence channels and spatial jitter.
Proceedings of the 6th International Conference on Modern Circuits and Systems Technologies, 2017

Reengineering engineering education: Developing a constructively aligned learning-by-doing pedagogical model for 21st century education.
Proceedings of the 2017 IEEE Global Engineering Education Conference, 2017

2016
Implementation of a Laboratory-Based Educational Tool for Teaching Nonlinear Circuits and Chaos.
Proceedings of the Advances and Applications in Chaotic Systems, 2016

2013
Capacity Analysis of Dual Amplify-and-Forward Relayed Free-Space Optical Communication Systems Over Turbulence Channels With Pointing Errors.
JOCN, 2013

2012
Serial relaying communications over generalized-gamma fading channels.
Wirel. Commun. Mob. Comput., 2012

Average Capacity of Optical Wireless Communication Systems Over I-K Atmospheric Turbulence Channels.
JOCN, 2012

2011
Higher Order Capacity Statistics of Diversity Receivers.
Wirel. Pers. Commun., 2011

Dual-hop multi-input multi-output relay systems over spatially correlated Nakagami-m fading channels.
IET Commun., 2011

2010
Error Rate Performance of Multilevel Signals with Coherent Detection.
IEEE Trans. Commun., 2010

Serial Free-Space Optical Relaying Communications Over Gamma-Gamma Atmospheric Turbulence Channels.
JOCN, 2010

Dual-hop relaying communications over generalized-K (KG) fading channels.
J. Frankl. Inst., 2010

Dual-hop transmissions with fixed-gain relays over Generalized-Gamma fading channels
CoRR, 2010

Bit Error and Outage Probability of Serial Relaying Communication Systems.
Proceedings of the 14th Panhellenic Conference on Informatics, 2010

2009
Bayesian and frequentist estimation of the performance of free space optical channels under weak turbulence conditions.
J. Frankl. Inst., 2009

Capacity estimation of optical wireless communication systems over moderate to strong turbulence channels.
J. Commun. Networks, 2009

Performance analysis of free-space optical communication systems over atmospheric turbulence channels.
IET Commun., 2009

2008
Outage Analysis of Decode-and-Forward Relaying Over Nakagami- Fading Channels.
IEEE Signal Process. Lett., 2008

Introducing JOUNBO: A New Advanced Online Journal and Newspaper Browser.
J. Multim., 2008

Symbol error probability of decode and forward cooperative diversity in Nakagami-<i>m</i> fading channels.
J. Frankl. Inst., 2008

Description of a 2-Bit Adaptive Sigma-Delta Modulation System with Minimized Idle Tones.
EURASIP J. Adv. Signal Process., 2008

2007
On the cascaded Weibull fading channel model.
J. Frankl. Inst., 2007

A 2-bit Adaptive Delta Modulation System with Improved Performance.
EURASIP J. Adv. Signal Process., 2007

Dual-Hop Relaying Networks over Nakagami-M Fading Channels.
Proceedings of the IEEE 18th International Symposium on Personal, 2007

2006
Spectral efficiency of a single-cell multi-carrier DS-CDMA system in Rayleigh fading.
J. Frankl. Inst., 2006

An approach for efficient design of digital amplifiers.
Proceedings of the International Symposium on Circuits and Systems (ISCAS 2006), 2006

2005
Average output SINR of equal-gain diversity in correlated Nakagami-m fading with cochannel interference.
IEEE Trans. Wirel. Commun., 2005

Equal-gain and maximal-ratio combining over nonidentical Weibull fading channels.
IEEE Trans. Wirel. Commun., 2005

Memory effects in EM emission during uniaxial deformation of dielectric Crystalline materials.
IEEE Geosci. Remote. Sens. Lett., 2005

Spectral efficiency for selection combining RAKE receivers over Weibull fading channels.
J. Frankl. Inst., 2005

Spectral efficiency of a cellular MC/DS-CDMA system in Rayleigh fading.
Int. J. Commun. Syst., 2005

New results for the Shannon channel capacity in generalized fading channels.
IEEE Commun. Lett., 2005

Communication Theory Average output SNR of equal-gain diversity receivers over correlative Weibull fading channels.
Eur. Trans. Telecommun., 2005

2004
Performance analysis of dual selection diversity in correlated Weibull fading channels.
IEEE Trans. Commun., 2004

On the detection of acoustic and electromagnetic signals before fracture of dielectric crystalline materials.
IEEE Geosci. Remote. Sens. Lett., 2004

Channel capacity and second-order statistics in Weibull fading.
IEEE Commun. Lett., 2004

Average channel capacity for generalized-selection combining RAKE receivers.
Eur. Trans. Telecommun., 2004

Second order statistics and channel spectral efficiency for selection diversity receivers in Weibull fading.
Proceedings of the IEEE 15th International Symposium on Personal, 2004

Dual selection diversity over correlated Weibull fading channels.
Proceedings of IEEE International Conference on Communications, 2004

2001
Spectral efficiency for a hybrid DS/FH code-division multiple-access system in cellular mobile radio.
IEEE Trans. Veh. Technol., 2001

1998
Spectral efficiency for FDMA and DS-CDMA in cellular systems.
Proceedings of the 9th IEEE International Symposium on Personal, 1998

1997
Spectral efficiency of direct-sequence code-division multiple-access in cellular mobile radio.
Int. J. Commun. Syst., 1997

Evaluation of a terrain-based point-to-point propagation model in the 900 MHz band.
Int. J. Commun. Syst., 1997

1996
An alternative two-port feedback analysis approach.
Proceedings of Third International Conference on Electronics, Circuits, and Systems, 1996

Generalized two-port performance evaluation.
Proceedings of Third International Conference on Electronics, Circuits, and Systems, 1996

1994
System design requirements for mobile communications open to conformance testing.
Proceedings of the 5th IEEE International Symposium on Personal, 1994

Field measurements and coverage prediction model evaluation based on a geographical information system.
Proceedings of the 5th IEEE International Symposium on Personal, 1994

A point-to-point mobile radio prediction model based on effective height estimation for the region of Athens.
Proceedings of the 5th IEEE International Symposium on Personal, 1994

1992
A conformance test system for DECT physical layer.
Proceedings of the Third IEEE International Symposium on Personal, 1992

Development of a conformance test system for ERMES receivers.
Proceedings of the Third IEEE International Symposium on Personal, 1992


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