P.C. Varoutas: search on Z-Library

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1

On the Economics of 3G Mobile Virtual Network Operators (MVNOs)

D. Varoutas, D. Katsianis, Th. Sphicopoulos, K. Stordahl, I. Welling

Journal:

Wireless Personal Communications

Year:

2006

Language:

english

File:

PDF, 351 KB

english, 2006

2

On the relation between organizational culture and leadership: An empirical analysis

Kargas, Antoniοs D., Varoutas, Dimitrios, Nisar, Tahir

Journal:

Cogent Business & Management

Year:

2015

Language:

english

File:

PDF, 778 KB

english, 2015

3

Performance improvement of fixed wireless access networks by conjunction of dual polarization and time domain radio resource allocation technique

Alexander Vavoulas, Nicholas Vaiopoulos, Dimitris A. Varoutas, Aris Chipouras, George Stefanou

Journal:

International Journal of Communication Systems

Year:

2011

Language:

english

File:

PDF, 192 KB

english, 2011

4

Techno-economic evaluation of 3G and beyond mobile business alternatives

Jarmo Harno, K. R. Renjish Kumar, Thor Gunnar Eskedal, Rima Venturin, Dimitris Katsianis, Dimitris Varoutas

Journal:

NETNOMICS: Economic Research and Electronic Networking

Year:

2007

Language:

english

File:

PDF, 339 KB

english, 2007

5

Introduction to the special issue on telecommunications techno-economics

Dimitris Varoutas, Thomas Sphicopoulos

Journal:

NETNOMICS: Economic Research and Electronic Networking

Year:

2007

Language:

english

File:

PDF, 154 KB

english, 2007

6

Estimating diffusion and price elasticity with application to telecommunications

Christos Michalakelis, Georgia Dede, Dimitris Varoutas, Thomas Sphicopoulos

Journal:

NETNOMICS: Economic Research and Electronic Networking

Year:

2010

Language:

english

File:

PDF, 366 KB

english, 2010

7

Nonparametric estimation of a hedonic price index for ADSL connections in the European market using the Akaike Information Criterion

C. Deligiorgi, C. Michalakelis, A. Vavoulas, D. Varoutas

Journal:

Telecommunication Systems

Year:

2007

Language:

english

File:

PDF, 411 KB

english, 2007

8

Forecasting with limited data: Combining ARIMA and diffusion models

Charisios Christodoulos, Christos Michalakelis, Dimitris Varoutas

Journal:

Technological Forecasting and Social Change

Year:

2010

Language:

english

File:

PDF, 264 KB

english, 2010

9

The option to expand to a next generation access network infrastructure and the role of regulation in a discrete time setting: A real options approach

George Charalampopoulos, Dimitris Katsianis, Dimitris Varoutas

Journal:

Telecommunications Policy

Year:

2011

Language:

english

File:

PDF, 256 KB

english, 2011

10

Techno-economic Evaluation of FTTC/VDSL and FTTH Roll-Out Scenarios: Discounted Cash Flows and Real Option Valuation

Rokkas, T., Katsianis, D., Varoutas, D.

Journal:

Journal of Optical Communications and Networking

Year:

2010

Language:

english

File:

PDF, 1020 KB

english, 2010

11

Connectivity Issues for Ultraviolet UV-C Networks

Vavoulas, A., Sandalidis, H., Varoutas, D.

Journal:

Journal of Optical Communications and Networking

Year:

2011

Language:

english

File:

PDF, 491 KB

english, 2011

12

Node Isolation Probability for Serial Ultraviolet UV-C Multi-hop Networks

Vavoulas, A., Sandalidis, H.G., Varoutas, D.

Journal:

Journal of Optical Communications and Networking

Year:

2011

Language:

english

File:

PDF, 488 KB

english, 2011

13

Statistical study of in-band crosstalk noise using the multicanonical Monte Carlo method

T. Kamalakis, D. Varoutas, T. Sphicopoulos

Journal:

IEEE Photonics Technology Letters

Year:

2004

Language:

english

File:

PDF, 136 KB

english, 2004

14

A System of Systems Framework for the Reliability Assessment of Telecommunications Networks

Tsilipanos, Kosmas, Neokosmidis, Ioannis, Varoutas, Dimitris

Journal:

IEEE Systems Journal

Year:

2013

Language:

english

File:

PDF, 4.66 MB

english, 2013

15

Service cost model and cost comparative studies

Varoutas, Dimitris, Mas Machuca, Carmen, Moe, Øyvind, Eberspächer, Joerg, Jaeger, Monika, Gladisch, Andreas

Journal:

Year:

2009

Language:

english

File:

PDF, 321 KB

english, 2009

16

[IEEE 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications - Athens, Greece (2007.09.3-2007.09.7)] 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications - Co-Channel Interference Reduction Through Integrated Scheduling and Polarization Allocation for Fixed Cellular Systems

Vavoulas, Alexander, Vaiopoulos, Nicholas, Varoutas, Dimitris, Stefanou, George

Year:

2007

Language:

english

File:

PDF, 260 KB

english, 2007

17

[IEEE 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications - Athens, Greece (2007.09.3-2007.09.7)] 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications - Fixed Mobile Convergence for an Integrated Operator: A Techno-Economic Study

Rokkas, Theodoros, Katsianis, Dimitris, Varoutas, Dimitris, Sphicopoulos, Thomas

Year:

2007

Language:

english

File:

PDF, 242 KB

english, 2007

18

[IEEE 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications - Athens, Greece (2007.09.3-2007.09.7)] 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications - Business Prospects of Wide-Scale Deployment of Free Space Optical Technology as a Last-Mile Solution: A Techno-Economic Analysis

Rokkas, Theodoros, Kamalakis, Thomas, Katsianis, Dimitris, Varoutas, Dimitris, Sphicopoulos, Thomas

Year:

2007

Language:

english

File:

PDF, 272 KB

english, 2007

19

[IEEE 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications - Athens, Greece (2007.09.3-2007.09.7)] 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications - Performance Improvement of Fixed Cellular Networks using Multi-Mode Modulation Schemes

Vaiopoulos, Nicholas, Vavoulas, Alexander, Varoutas, Dimitris, Stefanou, George

Year:

2007

Language:

english

File:

PDF, 285 KB

english, 2007

20

[IEEE 2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) - Cannes, France (2008.09.15-2008.09.18)] 2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications - OMEGA ICT project: Towards convergent Gigabit home networks

Javaudin, Jean-Philippe, Bellec, Martial, Varoutas, Dimitris, Suraci, Vincenzo

Year:

2008

Language:

english

File:

PDF, 5.19 MB

english, 2008

21

Economies of scale, cost minimization and productivity in telecom markets under economic crisis: evidence from Greece

Laitsou, Eleni, Kiriakidis, Michail, Kargas, Antonis, Varoutas, Dimitris

Journal:

NETNOMICS: Economic Research and Electronic Networking

Year:

2017

Language:

english

File:

PDF, 710 KB

english, 2017

22

[IEEE 2018 15th International Symposium on Wireless Communication Systems (ISWCS) - Lisbon, Portugal (2018.8.28-2018.8.31)] 2018 15th International Symposium on Wireless Communication Systems (ISWCS) - Spectrum Trading in Virtualized Multi-Tenant 5G Networks

Tsirakis, Christos, Lopez-Aguilera, Elena, Matzoros, Panagiotis, Agapiou, George, Varoutas, Dimitris

Year:

2018

Language:

english

File:

PDF, 690 KB

english, 2018

23

[IEEE 2019 IEEE International Conference on Engineering, Technology and Innovation (ICE/ITMC) - Valbonne Sophia-Antipolis, France (2019.6.17-2019.6.19)] 2019 IEEE International Conference on Engineering, Technology and Innovation (ICE/ITMC) - Complementing Amber Alert: Increasing the social sensors' effectiveness through focused communication channels

Michalitsi-Psarrou, Ariadni, Pertselakis, Minas, Brantl, Isabelle, Ntanos, Christos, Varoutas, Dimitris, Psarras, John

Year:

2019

Language:

english

File:

PDF, 293 KB

english, 2019

24

Digital Competitiveness in the European Union Era: The Greek Case

Laitsou, Eleni, Kargas, Antonios, Varoutas, Dimitris

Journal:

Year:

2020

File:

PDF, 9.81 MB

2020

25

Business modeling and financial analysis for Metropolitan Area Networks: Evidence from Greece

Vagia Kyriakidou, Dimitris Katsianis, Iakovos Orfanos, Aristeidis Chipouras, Dimitris Varoutas

Journal:

Telematics and Informatics

Year:

2011

Language:

english

File:

PDF, 510 KB

english, 2011

26

Diffusion models of mobile telephony in Greece

Christos Michalakelis, Dimitris Varoutas, Thomas Sphicopoulos

Journal:

Telecommunications Policy

Year:

2008

Language:

english

File:

PDF, 295 KB

english, 2008

27

The economics of integration of DVB-S with terrestrial technologies and the role of dynamic bandwidth management

Dimitris Katsianis, Dimitris Varoutas, Vassiliki Apostolopoulou

Journal:

International Journal of Satellite Communications and Networking

Year:

2007

Language:

english

File:

PDF, 300 KB

english, 2007

28

Business opportunities throughUMTS-WLANnetworks

Dimitris Varoutas, Dimitris Katsianis, Thomas Sphicopoulos, François Loizillon, Kjell Ove Kalhagen, Kjell Stordahl, Ilari Welling, Jarmo Harno

Journal:

annals of telecommunications - annales des télécommunications

Year:

2003

Language:

english

File:

PDF, 1.53 MB

english, 2003

29

A game theory modeling approach for 3G operators

Dimitris Katsianis, Attila Gyürke, Rozália Konkoly, Dimitris Varoutas, Thomas Sphicopoulos

Journal:

NETNOMICS: Economic Research and Electronic Networking

Year:

2007

Language:

english

File:

PDF, 411 KB

english, 2007

30

On the construction of price index and the definition of factors affecting tariffs of ADSL connections across Europe

C. Deligiorgi, A. Vavoulas, Ch. Michalakelis, D. Varoutas, Th. Sphicopoulos

Journal:

NETNOMICS: Economic Research and Electronic Networking

Year:

2007

Language:

english

File:

PDF, 362 KB

english, 2007

31

Evaluation of technological and socio-economic issues affecting the deployment of home networks: evidence from the ICT-OMEGA project

Georgia Dede, Thomas Kamalakis, Dimitris Varoutas, Rafael Gonzalez Fuentetaja, Jean Philippe Javaudin

Journal:

NETNOMICS: Economic Research and Electronic Networking

Year:

2010

Language:

english

File:

PDF, 448 KB

english, 2010

32

Regulation, policy and user behaviour analysis for telecommunications networks and services

Dimitris Varoutas

Journal:

NETNOMICS: Economic Research and Electronic Networking

Year:

2010

Language:

english

File:

PDF, 99 KB

english, 2010

33

On the social optimality of make-or-buy decisions

Markos Tselekounis, Dimitris Varoutas, Drakoulis Martakos

Journal:

Journal of Regulatory Economics

Year:

2012

Language:

english

File:

PDF, 704 KB

english, 2012

34

Impact of cross-national diffusion process in telecommunications demand forecasting

Christos Michalakelis, Georgia Dede, Dimitris Varoutas, Thomas Sphicopoulos

Journal:

Telecommunication Systems

Year:

2008

Language:

english

File:

PDF, 539 KB

english, 2008

35

Alternatives for mobile operators in the competitive 3G and

Jarmo Harno, Dimitris Katsianis, Timo Smura, Thor Gunnar Eskedal, Rima Venturin, Olli Pekka Pohjola, K. R. Renjish Kumar, Dimitris Varoutas

Journal:

Telecommunication Systems

Year:

2009

Language:

english

File:

PDF, 1.18 MB

english, 2009

36

A Radio Resource Allocation Scheme for Fixed Broadband Wireless Access Systems with Avoidance of Major Interferers

N. Vaiopoulos, A. Vavoulas, D. Varoutas, T. Sphicopoulos

Journal:

Wireless Personal Communications

Year:

2007

Language:

english

File:

PDF, 332 KB

english, 2007

37

An atypical topoisomerase II from archaea with implications for meiotic recombination

Bergerat, Agnès, de Massy, Bernard, Gadelle, Danielle, Varoutas, Paul-Christophe, Nicolas, Alain, Forterre, Patrick

Journal:

Year:

1997

File:

PDF, 1.22 MB

1997

38

Designing and Implementing an Open Infrastructure for Location-Based, Tourism-Related Content Delivery

G. Kakaletris, D. Varoutas, D. Katsianis, T. Sphicopoulos, G. Kouvas

Journal:

Wireless Personal Communications

Year:

2004

Language:

english

File:

PDF, 186 KB

english, 2004

39

Dynamic estimation of markets exhibiting a prey–predator behavior

Christos Michalakelis, Charisios Christodoulos, Dimitrios Varoutas, Thomas Sphicopoulos

Journal:

Expert Systems with Applications

Year:

2012

Language:

english

File:

PDF, 958 KB

english, 2012

40

Innovation diffusion with generation substitution effects

Christos Michalakelis, Dimitris Varoutas, Thomas Sphicopoulos

Journal:

Technological Forecasting and Social Change

Year:

2010

Language:

english

File:

PDF, 1.17 MB

english, 2010

41

On the combination of exponential smoothing and diffusion forecasts: An application to broadband diffusion in the OECD area

Charisios Christodoulos, Christos Michalakelis, Dimitris Varoutas

Journal:

Technological Forecasting and Social Change

Year:

2011

Language:

english

File:

PDF, 536 KB

english, 2011

42

Exploring the determinants of the OSS market potential: The case of the Apache web server

Spyridoula Lakka, Christos Michalakelis, Dimitris Varoutas, Draculis Martakos

Journal:

Telecommunications Policy

Year:

2012

Language:

english

File:

PDF, 606 KB

english, 2012

43

O VIII.2 - O VIII.2 Meiotic recombination and human minisatellite rearrangements in the yeast Saccharomyces cerevisiae

A. Nicolas, D. Aubert, F. Baudat, A. Bergerat, J. Buard, B. De Massy, H. Debrauwere, P. Forterre, D. Gadelle, Y. Okada, K. Smith, C. Soustelle, P-c. Varoutas, M. Vedel, G. Vergnaud

Journal:

Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis

Year:

1997

Language:

english

File:

PDF, 129 KB

english, 1997

44

Towards a Roadmap for Future Home Networking Systems: An Analytical Hierarchy Process Approach

Dede, G., Kamalakis, T., Varoutas, D.

Journal:

IEEE Systems Journal

Year:

2011

Language:

english

File:

PDF, 1.76 MB

english, 2011

45

Digital Image Processing Applied to Scintillation Images from Biomedical Systems

Varoutas, Panos P., Nardizzi, Louis R., Stokely, Ernest M.

Journal:

IEEE Transactions on Biomedical Engineering

Year:

1977

Language:

english

File:

PDF, 6.55 MB

english, 1977

46

Two-Dimensional E-Filtering Applied to Image Processing

Varoutas, Panos P., Nardizzi, Louis R., Stokely, Ernest M.

Journal:

IEEE Transactions on Systems Man and Cybernetics

Year:

1976

Language:

english

File:

PDF, 2.57 MB

english, 1976

47

Economics of Time and Wavelength Domain Multiplexed Passive Optical Networks

Rokkas, T., Katsianis, D., Kamalakis, T., Varoutas, D.

Journal:

Journal of Optical Communications and Networking

Year:

2010

Language:

english

File:

PDF, 941 KB

english, 2010

48

Evaluation of Optical Wireless Technologies in Home Networking: An Analytical Hierarchy Process Approach

Dede, G., Kamalakis, T., Varoutas, D.

Journal:

Journal of Optical Communications and Networking

Year:

2011

Language:

english

File:

PDF, 712 KB

english, 2011

49

Business prospects of wide-scale deployment of free space optical technology as a last-mile solution: a techno-economic evaluation

Rokkas, Theodore, Kamalakis, Thomas, Katsianis, Dimitris, Varoutas, Dimitris, Sphicopoulos, Thomas

Journal:

Journal of Optical Networking

Year:

2007

Language:

english

File:

PDF, 637 KB

english, 2007

50

Weather Effects on FSO Network Connectivity

Vavoulas, Alexander, Sandalidis, Harilaos G., Varoutas, Dimitris

Journal:

Journal of Optical Communications and Networking

Year:

2012

Language:

english

File:

PDF, 303 KB

english, 2012

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