[B7] A. Kargas and D. Varoutas, "The
Role of Organizational Culture to the Management of
Telecommunication Companies: II. Applications and Case Studies" in
I. Lee (ed.) Handbook of Research on Telecommunications
Planning and Management for Business, ISBN:
978-1-60566-194-0, Idea Group Publishing, Feb 2009.
[B6] A. Kargas and D. Varoutas, "The
Role of Organizational Culture to the Management of
Telecommunication Companies: I. Background and Motivation," " in
I. Lee (ed.) Handbook of Research on Telecommunications
Planning and Management for Business, ISBN:
978-1-60566-194-0, Idea Group Publishing, Feb 2009. [B5] D.
Varoutas, C. Michalakelis, A. Vavoulas and C. Deligiorgi, “Diffusion
forecasting and price evolution of broadband telecommunication
services in Europe” in Y. Dwivedi Handbook of Research on
Global Diffusion of Broadband Data Transmission, ISBN:
978-1599048512,Information Science Reference,
IGI-Global, Feb 2008. [B4] S.
Lakka, N. Lionis and D. Varoutas, “Social Aspects of Open
Source Software: Motivation, organization and economics”, in F. Li
(ed.) Social Implications and Challenges of E-Business, ISBN:
978-1599041056,Idea Group Publishing, Mar 2007. [B3] G.
Kakaletris, D. Varoutas, D. Katsianis and Th. Sphicopoulos,
“Design and Implementation Approaches for Location-Based,
Tourism-Related Services” in W.R. Pease, M. Rowe, and M. Cooper
(Eds.) Information and Communication Technologies in Support
of the Tourism Industry, ISBN: 978-1-59904-159-9, Idea Group
Publishing, Feb 2007. [B2] D.
Katsianis, T. Rokkas, D. Varoutas, T.
Sphicopoulos, J. Harno, I. Welling, “3G Mobile Virtual Network
Operators (MVNOs): Business strategies, regulation and policy
issues”, in S. Park (ed.) Strategies and Policies in Digital
Convergence, ISBN 978-1-59904-156-8, Idea Group Publishing,
Feb 2007. Also selected in J. Kisielnicki (ed.) Virtual
Technologies: Concepts, Methodologies, Tools, and Applications,
ISBN 978-1-59904-955-7, Idea Group Publishing, May 2008. [B1] D.
Markopoulos & D.
Varoutas “Microwave Antennas” ION
Publishers 2000 (In Greek)
Editorials
[E5]
S. Mendonça, D. Varoutas and S. Verbrugge, “New indicators in
applied telecommunications economics: Innovative approaches,
metrics, and techniques for understanding the evolving network
economy” Telecommunications Policy, Elsevier, vol. 39, no
3–4, Pages 159-161, May 2015. [E4]
D. Varoutas, “Selected papers from the 10th Conference in
Telecommunications, Media and Internet Techno-Economics” Telecommunications
Policy, Elsevier, vol. 38, no 5-6, pp. 413-414, June/July
2014. [E3]
D. Varoutas, “Regulation, policy and user behaviour analysis for
telecommunications networks and services”, Netnomics
Springer, vol. 11, no 3, Oct
2010
[E2]
D. Varoutas, H. Hämmäinen and I. Welling “Techno-economic
modelling of telecommunications networks and services”, Info,
Emerald, vol. 11, no 3, May 2009. [E1]
D. Varoutas and Th. Sphicopoulos, “Special Issue on
Telecommunications Techno-Economics”, Netnomics Springer,
vol. 8, no 1-2, Oct 2007
Refereed
Journal papers
Disclaimer: The
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they have offered their works here electronically. It is
understood that all persons copying this information will
adhere to the terms and constraints invoked by copyright
holders and may not be reposted without the explicit
permission of the copyright holder.
[J59] E. Laitsou, M. Kiriakidis, A.
Kargas and D. Varoutas, “Economies of scale, cost minimization and
productivity in telecom markets under economic crisis: evidence
from Greece” Netnomics, Springer, vol. 18, no 2-3, pp 169–182, Dec
2017 [DOI] [PDF]
[J58] K. Kolomvatsos, K. Panagidi, I. Neokosmidis, D. Varoutas, S
Hadjiefthymiades, “Automated Concurrent Negotiations: An
Artificial Bee Colony Approach”, Electronic Commerce Research and
Applications - ECRA, Elsevier, vol. 19, pp. 56–-69, Sep-Oct 2016.
[DOI] [PDF]
[J57] A. D. Kargas and D. Varoutas,
“On the relation between organizational culture and leadership: An
empirical analysis,” Cogent Bus. Manag., Taylor & Francis,
vol. 2, no. 1, 2015. [DOI] [PDF] [J56] K. Tsilipanos, I. Neokosmidis and
D. Varoutas, “Modeling Complex Telecom
Investments: A System of Systems Approach”,IEEE Trans. Eng. Management,vol. 62, no 4, pp. 631-642, Nov
2015 [DOI] [PDF] [J55]
D. Maniadakis and D. Varoutas, “Incorporating Gabriel Graph
Model for FTTx Dimensioning” Photonic
Network Communications, Elsevier, vol.29, no 2, pp
214-226, April 2015. [DOI] [PDF] [J54] I. Neokosmidis, N.
Avaritsiotis, Z. Ventoura and D. Varoutas, “Assessment of the
gap and (non-)Internet users evolution based on population
biology dynamics” Telecommunications
Policy, Elsevier, vol. 39, no 1, pp. 14-37, Feb 2015. [DOI] [PDF] [J53] A.
Vavoulas, H. Sandalidis and D. Varoutas, “Underwater Optical
Wireless Networks: A k-Connectivity Analysis”, IEEE J. Oceanic Eng., vol.
39, no 4, pp. 801 – 809, Oct 2014. [DOI] [PDF] [J52] D.
Maniadakis and D. Varoutas, “Network congestion analysis of
gravity generated models” Physica
A, Elsevier, vol. 405, pp. 114–127, July 2014 [DOI] [PDF] [J51] M.
Tselekounis, D. Varoutas and D. Martakos, “A CDS approach to
induce facilities-based competition over NGA networks”, Telecommunications Policy,
Elsevier, vol. 38, no 3, pp. 311-331, Apr 2014 [DOI] [PDF] [J50] M.
Tselekounis and D. Varoutas, “Investments in Next Generation
Access infrastructures under regulatory uncertainty”, Telecommunications
Policy, Elsevier, Vol. 37, no 10, pp. 879–892, Nov 2013. [DOI] [PDF] [J49] I.
Neokosmidis, S. Marakis and D. Varoutas, “Semianalytical
estimation of the four-wave mixing noise based on extreme value
theory, OSA Optics Express, vol. 21, no 20, pp.
23075-23086, Oct 2013. [DOI] [PDF] [J48] N.
Vaiopoulos, H. Sandalidis and D. Varoutas, “Using a HAP Network to
Transfer WiMAX OFDM Signals: Outage Probability Analysis” IEEE/OSA
J. Optical Comm. Netw., vol. 5, no 7, pp. 711-721, July
2013. [DOI]
[PDF] [J47] K.
Tsilipanos, I. Neokosmidis and D. Varoutas, “A System of Systems
Framework for the Reliability Assessment of Telecommunications
Networks” IEEE Systems J, vol. 7, no 1, pp.114-124, Mar
2013. [DOI] [PDF] [J46] S. Lakka,
Ch. Michalakelis, D. Varoutas and D. Martakos, “Competitive
dynamics in the operating systems market: modeling and policy
implications” Technol. Forecast. Soc. Change., Elsevier,
vol. 80, no 1, pp. 88–105, Jan 2013. [DOI] [PDF] [J45] Th.
Rokkas, I. Neokosmidis, D. Katsianis and D. Varoutas, “Cost
Analysis of WDM and TDM Fiber to the Home (FTTH) Networks: A
System of Systems Approach” IEEE Trans SMC-C, vol. 42, no
6, pp.1842-1853, Nov 2012.[DOI] [PDF] [J44] N.
Vaiopoulos, H.G. Sandalidis and D. Varoutas, “WiMAX on FSO:
Outage Probability Analysis” IEEE Trans. Comm., vol
60, no 10, pp. 2789-2795, Oct 2012. [DOI]
[PDF] [J43] A.
Vavoulas, H. Sandalidis and D. Varoutas, “Weather effects on FSO
Network Connectivity” IEEE/OSA J. Optical Comm. Netw., vol.
4, no 10, pp. 734-740, Oct 2012 [DOI] [PDF] [J42] D.
Katsianis, Th. Rokkas, I. Neokosmidis, M. Tselekounis, I.
Zacharopoulos, A. Bartzoudi, and D. Varoutas, "Risks associated
with Next Generation Access networks investment
scenarios", IEEE Network, vol. 26, no 4, pp.
11-17, July/August 2012 [DOI] [PDF] [J41] C.
Michalakelis, C. Christodoulos, D. Varoutas and Th. Sphicopoulos,
"Dynamic estimation of markets exhibiting a prey-predator
behavior." Expert Systems With Applications, Elsevier,
Vol. 39, no 9, pp. 7690–7700, July 2012. [DOI] [PDF] [J40] S. Lakka,
Ch. Michalakelis, D. Varoutas and D. Martakos, “Exploring the
determinants of the OSS market potential: The case of the Apache
web server”, Telecommunications Policy, Elsevier, vol. 36,
no 1, pp 51-68, Feb 2012. [DOI] [PDF] [J39] G. Dede,
Th. Kamalakis and D. Varoutas, “Evaluation of Optical Wireless
Technologies in Home Networking: An Analytical Hierarchy Process
Approach”, IEEE/OSA J. Opt Commun Netw, Vol. 3, no 11,
pp. 850–859, Nov 2011 [DOI] [PDF] [J38] M.
Tselekounis, D. Varoutas and D. Martakos, “On the social
optimality of make-or-buy decisions” J. Regul. Econ,
Springer, vol. 41, no 2, pp 238-268, Apr 2012. [DOI] [PDF] [J37] A.
Vavoulas, H.G. Sandalidis and D. Varoutas, “Node Isolation
Probability for Serial Ultraviolet UV-C Multi-hop Networks”, IEEE/OSA
J. Opt. Commun Netw, vol. 3, no 9, pp. 750-757, Sep 2011
[DOI]
[PDF] [J36] G. Dede,
Th. Kamalakis and D. Varoutas, “Towards a Roadmap for Future Home
Networking Systems: An Analytical Hierarchy Process Approach” IEEE
Systems J., vol. 5, no 3, pp. 374-384, Sep 2011. [DOI] [PDF] [J35] G.
Charalampopoulos, D. Katsianis and D. Varoutas, ”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”, Telecommunications Policy,
Elsevier, vol. 35, no 9-10, pp 895-906, Oct-Nov 2011. [DOI][PDF] [J34]
Ch. Michalakelis, G. Dede, D. Varoutas and Th. Sphicopoulos,
“Estimating diffusion and price elasticity with application to
telecommunications” Netnomics,
Springer, vol.11, no 3, pp 221-242, Oct 2010.[DOI] [PDF] [J33]
A. Vavoulas, H.G. Sandalidis and D. Varoutas, “Connectivity Issues
for Ultraviolet UV-C Networks”, IEEE/OSA
J. Optical Comm and Networking, vol.
3, no 3, pp. 199-205, Mar 2011. [DOI] [PDF] [J32]
Ch. Christodoulos, Ch. Michalakelis and D. Varoutas,
“On the combination of exponential smoothing and diffusion
forecasts: An application to broadband diffusion in the OECD
area”, Technol. Forecast. Soc. Change.,
Elsevier, vol. 78, no. 1, Jan 2011. [DOI]
[PDF] [J31]
Th. Rokkas, D. Katsianis, Th. Kamalakis and D.
Varoutas, “On the economics of Time and Wavelength Domain
Multiplexed Passive Optical Networks” IEEE/OSA J. Optical Comm
and Networking, vol.
2 no 12, Dec 2010. [DOI] [PDF] [J30]
Th. Rokkas, D. Katsianis and D. Varoutas,
“Techno-economic evaluation of FTTC/VDSL and FTTH roll-out
scenarios: discounted cash flows and real option valuation” IEEE/OSA
J. Optical Comm and Networking, vol. 2,
no. 9, Sep 2010. [DOI] [PDF] [J29]
C. Michalakelis, T. Sphicopoulos, D. Varoutas, “Modeling
competition in the telecommunications market based on concepts of
population biology” IEEE Trans. Systems, Man and Cybernetics -
C, vol.41, no 2, pp. 200-210, Mar 2011. [DOI] [PDF] [J28]
A. Vavoulas, N. Vaiopoulos, A. Chipouras, D. Varoutas
and G. Stefanou, "Performance improvement of Fixed Wireless Access
networks by conjunction of dual polarization and time domain radio
resource allocation technique", Int.J. Comm. Systems, Wiley,
vol. 24, no 4, pp. 483-491, Apr 2011. [DOI] [PDF] [J27]
V. Kyriakidou, D. Katsianis, I. Orfanos, A. Chipouras
and D. Varoutas “Business Modeling and Financial Analysis for
Metropolitan Area Networks: Evidence from Greece”, Telematics
and Informatics, Elsevier, vol.28, no 2, May 2011. [DOI] [PDF] [J26]
G. Dede, D. Varoutas, T. Kamalakis, R. G. Fuentetaja,
J.P. Javaudin Evaluation of Technological and Socio-Economic
Issues Affecting the Deployment of Home Networks: Evidence from
the ICT-OMEGA project” Netnomics, Springer, vol.
11, no 2, pp. 181-200, July 2010 [DOI] [PDF] [J25]
Ch. Christodoulos, Ch. Michalakelis and D. Varoutas,
“Forecasting with limited data: Combining ARIMA and
diffusion models" Technol. Forecast. Soc.
Change., Elsevier,
vol. 77, no 4, pp. 558-565, May 2010 [DOI]
[PDF] [J24]
Ch. Michalakelis, D. Varoutas and Th.
Sphicopoulos, “Innovation diffusion with generation substitution
effects” Technol. Forecast. Soc. Change, Elsevier,
vol. 77, no 4, pp. 541-557, May 2010. [DOI]
[PDF] [J23]
J. Harno, D. Katsianis, T. Smura, Th. G. Eskedal, R.
Venturin, O. P. Pohjola, K. R. Renjish Kumar and D. Varoutas
"Alternatives for mobile operators in the competitive 3G and
beyond business” Telecommunications Systems, vol
41, no 3, pp. 77-95, June 2009. [DOI] [PDF] [J22]
Th. Rokkas, D. Katsianis, Th. Kamalakis, D. Varoutas
and Th. Sphicopoulos, “Evaluation of FSO and FTTH
tecnologies using techno-economic and risk analysis” Info
J., vol. 11, no 3, pp. 87-96, May 2009. [DOI] [PDF] [J21]
Th. Rokkas, D. Varoutas, D. Katsianis, T.
Smura K.R.Renjish Kumar, , M. Heikkinen, J. Harno, M. Kind,
D. Von Hugo and Th. Monath, “On the economics of Fixed-Mobile
Convergence” Info J., vol.
11, no 3, pp. 75-86, May 2009 [DOI] [PDF] [J20]
D. Varoutas, C. Deligiorgi, Ch. Michalakelis
and Th. Sphicopoulos, "A hedonic approach to estimate price
evolution of telecommunication services: Evidence from Greece", Applied
Economic Letters, vol. 15, no 14, pp 1131 – 1134, Nov 2008.
[DOI] [PDF] [J19]
Ch. Michalakelis, G. Dede, D. Varoutas and Th.
Sphicopoulos, “Impact of cross-national diffusion process in
telecommunications demand forecasting” Telecommunications
Systems, Springer, vol. 39, no 1, pp 51-60, Sep 2008 [DOI] [PDF] [J18] Ch.
Michalakelis, D. Varoutas and Th. Sphicopoulos, “Diffusion models
of mobile telephony in Greece” Telecommunications Policy, Elsevier,
vol. 32, no 3-4, pp 234-245, Apr-May 2008. [DOI] [PDF] [J17] C.
Deligiorgi, Ch. Michalakelis, A. Vavoulas, and D. Varoutas
"Nonparametric Estimation of a Hedonic Price Index for ADSL
Connections in the European Market Using the Akaike Information
Criterion" Telecommunications Systems, Springer, vol. 36,
no 4, pp.173-179, Dec 2007. [DOI] [PDF] [J16]
J. Harno, K. R. Renjish Kumar, Th. G. Eskedal, R.
Venturin, D. Katsianis and D. Varoutas “Techno-Economic evaluation
of 3G and beyond mobile business alternatives” Netnomics, vol.
8, no 1-2, pp. 5-23, Oct 2007. [DOI] [PDF] [J15]
D. Katsianis, A. Gyürke, R. Konkoly, D. Varoutas and
Th. Sphicopoulos, “A game theory modeling approach for 3G
operators”, Netnomics, vol. 8, no 1-2, pp. 71-90, Oct
2007. [DOI]
[PDF] [J14]
C. Deligiorgi, A. Vavoulas, Ch. Michalakelis, D.
Varoutas and Th. Sphicopoulos, “On the construction of price index
and the definition of factors affecting tariffs of ADSL
connections across Europe” Netnomics, vol. 8, no 1-2,
pp. 171-183, Oct 2007. [DOI] [PDF] [J13] Th.
Kamalakis, D. Varoutas and Th. Sphicopoulos, “On the Application
of Demand and Price Evolution Forecasting in Road-Mapping the
Optoelectronic Component Industry”, Med. J. Electr. Comm., vol.
3, no 4, pp. 119-125, Oct. 2007. [DOI] [PDF] [J12]
Th. Rokkas, Th.
Kamalakis, D. Katsianis, D.
Varoutas and Th. Sphicopoulos,
“Business Prospects of Wide-Scale Deployment of Free Space Optical
Technology as a Last-Mile Solution: A Techno-Economic Evaluation”,
OSA J. Optical Networking, vol. 6, no 7, pp. 860-870, July
2007. [DOI] [PDF] [J11]
D. Katsianis, D. Varoutas and V. Apostolopoulou, “The
economics of integration of DVB-S with terrestrial technologies
and the role of dynamic bandwidth management”, Int. J.
Satellite Comm., Wiley, vol. 5, no 3, pp. 237-250, May/June
2007. [DOI] [PDF] [J10]
N.
Vaiopoulos, A. Vavoulas, D. Varoutas and Th. Sphicopoulos, “A
Radio Resource Allocation Scheme for Fixed Broadband Wireless
Access Systems with Avoidance of Major Interferers”, Wireless
Personal Commun., Springer, vol. 40, no 4, pp 479-487,
Mar 2007. [DOI] [PDF] [J9]
B. T. Olsen, D. Katsianis, D. Varoutas, K. Stordahl,
J. Harno, N.K. Elnegaard, I. Welling, F. Loizillon, T. Monath, P.
Cadro, “Technoeconomic Evaluation of the Major Telecommunication
Investment Options for European Players”, IEEE Network,
vol. 20, no 4, July 2006. [DOI] [PDF] [J8]
D. Varoutas, D. Katsianis, Th. Sphicopoulos, K.
Stordahl and I. Welling, “On the economics of 3G Mobile
Virtual Network Operators”, Wireless Personal Commun., Springer,
vol. 36, no 2, pp 129-142, Jan. 2006. [DOI] [PDF] [J7]
D. Varoutas, A. Arapogianni and Th. Sphicopoulos,
“Modeling of Electrical Crosstalk in OEIC Modules”, Fiber
Integr. Optics, vol. 24, pp. 91-111, Feb 2005 [DOI] [PDF] [J6]
Th. Kamalakis, D. Varoutas and Th. Sphicopoulos,
"Statistical Study of In-band Crosstalk Noise Using the
Multi-Canonical Monte Carlo Method", IEEE Phot. Tech.
Letters, vol 16, No 10, pp.2242-2244, Oct. 2004 [DOI] [PDF] [J5]
G. Kakaletris, D.Varoutas, D. Katsianis, Th. Sphicopoulos
and G. Kouvas, "Designing and implementing an open infrastructure
for location-based, tourism-related content delivery", Wireless
Personal Commun., Kluwer Academic Publishers, vol. 30, no.
2-4 pp 153-165, Sep 2004. [DOI]
[PDF] [J4]
A Chipouras, T. Sphicopoulos and D. Varoutas,
“Analysis of high speed Traveling-Wave Electrooptic LiNbO3 Devices
based on a 3-D Integral Method” J. Optical Communications, vol.25,
no. 5, pp 188-198, Oct. 2004. [URL]
[PDF] [J3] Th.
Monath, N.K. Elnegaard, Ph. Cadro, D. Katsianis and D. Varoutas,
“Economics of fixed broadband access network strategies” IEEE
Communications, vol.41, no. 9, pp 132-139, Sep 2003. [DOI] [PDF] [J2]
D. Varoutas, D. Katsianis, Th. Sphicopoulos, F.
Louizillon, K.O. Kalhagen, K. Stordahl, I. Welling and J. Harno
“Business opportunities for UMTS-WLAN networks” Ann.
Telecommun. Vol. 58, no. 3-4, pp 553-575,
March-April 2003 [DOI] [PDF] [J1]
D. Katsianis, I. Welling, M. Ylönen, D. Varoutas, T. Sphicopoulos,
N. K. Elnegaard, B. T. Olsen, L. Budry "The financial perspective
of the mobile networks in Europe", IEEE Personal
Communications, Dec 2001, pp 58-64. [DOI] [PDF]
Conference
papers
[C69]
C. Tsirakis, E. Lopez-Aguilera, P. Matzoros, G. Agapiou, &
D. Varoutas, “Spectrum Trading in Virtualized Multi-Tenant 5G
Networks” Proc. 15th
International Symposium on Wireless Communication Systems
(ISWCS), pp. 1–6, 2018. [DOI]
[PDF] [C68] G. Loumos, A.
Kargas and D. Varoutas, “Augmented and Virtual Reality
Technologies in Cultural Sector: Exploring their Usefulness and
the Perceived Ease of Use“ Int. Conf. on Communication and
Management, ICCM2018,
23 – 26 April 2018, Athens, Greece [C67]N. Kanellos and D.
Varoutas, "Methodology for the introduction of var estimation in
telecommunications' diffusion forecasting," 2017
Internet of Things Business Models, Users, and Networks,
Copenhagen, 2017, pp. 1-5. [DOI] [C66]G. Charalampopoulos, D.
Katsianis and D. Varoutas, "Deviating from Net Neutrality:
Assessing the impact on the implementation of economic
replicability tests in Europe," 2017 Internet of Things
Business Models, Users, and Networks, Copenhagen, 2017,
pp. 1-8. [DOI] [C65]E. Aravantinos and D.
Varoutas, "A revisit of fixed and mobile broadband diffusion in
OECD: A new classification," 2017 Internet of Things
Business Models, Users, and Networks, Copenhagen, 2017,
pp. 1-8. [DOI] [C64]E. Laitsou, A. Kargas
and D. Varoutas, "The impact of ICT on economic growth of Greece
and EU-28 under economic crisis," 2017 Internet of
Things Business Models, Users, and Networks, Copenhagen,
2017, pp. 1-6. doi: 10.1109/CTTE.2017.8260993 [C63]V. Logothetis, M.
Tselekounis and D. Varoutas, "Understanding the impact of costly
search on market equilibria: A comprehensive review," 2017
Internet of Things Business Models, Users, and Networks,
Copenhagen, 2017, pp. 1-5. doi: 10.1109/CTTE.2017.8260987 [C62]E. Laitsou, M. Kiriakidis, A. Kargas
and D. Varoutas, "Fixed-mobile convergence in telecom markets:
Evidence from Greece," 2017
Internet of Things Business Models, Users, and Networks,
Copenhagen, 2017, pp. 1-5. doi: 10.1109/CTTE.2017.8260994 [C61]M. Miletic, D.
Maniadakis, B. Mikac and D. Varoutas, “On the influence of the
underlying network topology on optical telecommunication network
availability under shared risk link group failures”, Proc. DRCN 2014, 10th Int. Conf.
on Design and Reliable Communications Networks, Ghent,
2014 [C60]M. Tselekounis, G.
Orfanou and D. Varoutas, “Co-existence of ADSL and NGA networks:
Access charges, investment incentives and competition outcomes”
presented at the 25th
European Regional Conference of the International
Telecommunications Society (ITS), 22-25 June 2014,
Brussels, Belgium.
[C59] M. Tselekounis, E. Xylogianni and D. Varoutas,
“Geographically Differentiated NGA Deployment”, International
Telecommunications Society (ITS) 2013. [DOI] [PDF]
[C58] M. Tselekounis, D. Maniadakis and D. Varoutas,
"NGA Investment Incentives under Geographic Price
Discrimination", presented at 40th EARIE Conference, 30 August-1
September 2013, Évora, Portugal. [DOI] [PDF]
[C57] D. Maniadakis, A. Balmpakakis, and D. Varoutas,
“On the temporal evolution of backbone topological robustness”
Proc. NOC2013, 18th European Conference on Network and
Optical Communications, pp. 129-136, Graz, Austria, 10-12
July 2013. [DOI]
[PDF]
[C56] N. Vainos, D. Alexandropoulos, C.
Politi, C. Matrakidis, G. Dede, T. Kamalakis, C. Kouloumentas,
H. Avramopoulos, S. Couris, T. Rokkas, D. Varoutas, M.
Vasilopoulou, D. Davazoglou, G. Pistolis, P. Argitis, “Polymer
photonic technologies for optical communications”, Proc.
ICTON 2013, 15th International Conference on
Transparent Optical Networks (ICTON), Cartagena, Spain,
23-27 June 2013 [DOI]
[PDF]
[C55] M. Tselekounis, D. Maniadakis and D. Varoutas,
"NGA Investments: A departure from the existing cost and demand
structure assumptions", 19th Biennial Conference of
International Telecommunications Society (ITS), 18-21
November 2012, Bangkok, Thailand. [DOI] [PDF]
[C54] M. Tselekounis and D. Varoutas, “Modeling the
regulatory uncertainty of NGA investments under cost-based
access rules” presented in Seventh International Conference
on Competition and Regulation, CRESSE 2012, Chania,
Greece, 6-8 July 2012. [DOI] [PDF]
[C53] D. Maniadakis and D. Varoutas, "Structural
Properties of Urban Street Networks for FTTH deployment", 11th
Conference of Telecommunication, Media and Internet
Techno-Economics, CTTE 2012), Athens, Greece, June 2012
[DOI] [PDF]
[C52] M. Tselekounis and D. Varoutas,
“Modeling the regulatory uncertainty of NGA investments under
cost-based access rules” presented in Seventh International
Conference on Competition and Regulation, CRESSE 2012,
Chania, Greece, 6-8 July 2010. [DOI] [PDF]
[C51] M.
Tselekounis, D. Varoutas, Dr. Martakos, «Flexibility or
certainty? A regulatory dilemma» in 4th Annual Conference in
Competition and Regulation in Network Industries, CRNI 2011,
Brussels, Belgium, Nov. 2011 [DOI] [PDF]
[C50]
D.Maniadakis and D. Varoutas, “Population Distribution Effects
in Backbone Network Cost” in Proc. IEEE GLOBECOM 2010,
Workshop on Complex and Communication Networks (CCNet 2010),
Miami, Florida, USA, 6-10 Dec 2010. [DOI]
[PDF]
[C49] M. Fokas, D. Katsianis, D. Varoutas,
Th. Rokkas, J-P. Javaudin, M. Bellec, G. Goni
and R. G. Fuentetaja “Initial
Techno-economic Results for OMEGA Home Gigabit Networks” in Proc.
21stIEEE PIMRC2010, Istanbul, Turkey,
26-29 Sep 2010. [DOI] [PDF]
[C48] M.
Tselekounis, D. Varoutas and D. Martakos, “On the irrelevance of
input prices from a regulatory perspective”, in Fifth
International Conference on Competition and Regulation, CRESSE
2010, Chania, Greece, 7-9 July 2010. [DOI] [PDF]
[C47] Ch.
Christodoulos, Ch. Michalakelis and D. Varoutas, “Estimation
of future prepaid – postpaid mobile telephony equilibrium in the
OECD area” in Proc. CTTE2010, Gent, Belgium, 7-9 June
2010. [DOI] [PDF]
[C46] S. Lakka, D. Varoutas and D.
Martakos, “Impact of OSS on software markets- an evaluation, in
Prod. 4th Mediterranean Conference in Information
Systems (MSIS2009), Athens, Greece, 25-27 Sep 2009.
[C45] M. Tselekounis, D. Varoutas, D. Martakos,
“Access Pricing Under Stackelberg Competition: Results
Interpretation and Regulatory Implications”, in Proc. 8th
Conference of Telecommunication, Media and Internet
Techno-Economics (CTTE2009), Stockholm, Sweden, 15- 16
June 2009. [DOI] [PDF]
[C44] P.
Koutroumpis, Ch. Michalakelis, D. Varoutas, “Broadband hedonic
price index: a firm-level study”, in Proc. 8th Conference of
Telecommunication, Media and Internet Techno-Economics
(CTTE2009), Stockholm, Sweden, 15- 16 June 2009. [DOI] [PDF]
[C43] C. Christodoulos, C.
Michalakelis, and D. Varoutas, "An empirical model for later
entrants market share development in the mobile phone market: An
application in the Greek market," in Proc. 8th Conference of
Telecommunication, Media and Internet Techno-Economics
(CTTE2009), Stockholm, Sweden, 15- 16 June 2009. [DOI] [PDF]
[C42] G. Dede, D. Varoutas,
Th. Kamalakis, G. Goni, J.P. Javaudin, "Criteria and Factors
affecting home networks deployment: Evidence from the ICT-OMEGA
project", in Proc. 18th ICT Mobile and Wireless Summit,
ISBN: 978-1-905824-12-0, 10-12 June 2009, Santander, Spain. [DOI] [PDF]
[C41] M. Fokas, Th. Rokkas,
D. Katsianis, D. Varoutas and Th. Sphicopoulos, “Business
Modelling in Home Networks: the OMEGA case“, in Proc. 18th
ICT Mobile and Wireless Summit, ISBN: 978-1-905824-12-0,
10-12 June 2009, Santander, Spain. [DOI] [PDF]
[C40] J. P. Javaudin, M. Bellec, D.
Varoutas and V. Suraci, “OMEGA: Towards convergent Gigabit Home
Networks” in Proc. 19th IEEE Ann. Int. Symp.
Personal Indoor Mobile Radio Communications (PIMRC2008), 15-18
Sep 2008, Cannes, France. [DOI] [PDF]
[C39] A. Vavoulas, Í. Vaiopoulos, D.
Varoutas and G. Stefanou, “Co-channel
interference reduction through integrated scheduling and
polarization allocation for Fixed Cellular Systems”, Proc. 18thIEEEAnn. Int. Symp. Personal Indoor Mobile
Radio Communications (PIMRC2007), 3-7 Sep 2007, Athens,
Greece. [DOI] [PDF]
[C38] N. Vaiopoulos, A. Vavoulas, D.
Varoutas and G. Stefanou “Performance improvement of Fixed
Cellular Networks using multi-mode modulation schemes” Proc. 18thIEEEAnn.Int. Symp. Personal Indoor Mobile
Radio Communications (PIMRC2007), 3-7 Sep 2007, Athens,
Greece. [DOI]
[C37] Th. Rokkas, Th. Kamalakis,
D. Katsianis, D. Varoutas and Th. Sphicopoulos, “Business
Prospects of Wide-Scale Deployment of Free Space Optical
Technology as a Last-Mile Solution: A Techno-Economic Analysis”
Proc. 18thIEEEAnn.Int. Symp.
Personal Indoor Mobile Radio Communications (PIMRC2007), 3-7
Sep 2007, Athens, Greece. [DOI]
[C36] Th. Rokkas, D.
Katsianis, D. Varoutas and Th. Sphicopoulos, “Fixed
Mobile Convergence for an Integrated Operator: A Techno-Economic
Study” Proc. 18thIEEEAnn.Int.
Symp. Personal Indoor Mobile Radio Communications (PIMRC2007),
3-7 Sep 2007, Athens, Greece. [DOI]
[C35] Th. Rokkas, Th. Kamalakis,
D. Katsianis, D. Varoutas and Th. Sphicopoulos, “Free Space
Optical Technology as an Alternative Last-Mile Solution: A
Techno-Economic Analysis”, Proc. 6th Conf.
Telecom. TechnoEconomics, 14-15 June 2007, Helsinki,
Finland [DOI]
[C34] K. R. Renjish Kumar, Th. Rokkas, D.
Varoutas, M. Kind, D. Von Hugo, J. Harno and T. Smura,
“Fixed-Mobile Convergence: An Integrated Operator Case Study”,
Proc. 6th Conf. Telecom. TechnoEconomics, 14-15
June 2007, Helsinki, Finland [DOI]
[C33] Ch. Michalakelis, G. Dede,
A. Zerva, D. Varoutas and Th. Sphicopoulos “Development of a
demand model for the simultaneous estimation of the interaction
between a product diffusion and price: an application to
telecommunications”, Proc. 6th Conf. Telecom.
TechnoEconomics, 14-15 June 2007, Helsinki, Finland [DOI]
[C32] D. Varoutas, Th. Kamalakis, D.
Katsianis, Th. Sphicopoulos, and Th. Monath, “Émportance of the
Maturity of Photonic Component Industry on the Business
Prospects of Optical Access Networks: A Techno-Economic
Analysis”, Proc. IFIP Networking 2007, LNCS 4479, pp. 935-944,
14-18 May 2007, Atlanta, GA, USA.
[C31] D. Varoutas, Th.
Kamalakis, D. Katsianis, Th. Sphicopoulos, and Th. Monath, “Techno-Economic
Evaluation of Optical Access and Metropolitan Area Networks: The
Influence of the Status of Maturity of the Photonics Component
Industry”, Proc. IEEE/OSA
OFC 2007, 25-29 Mar 2007, Anaheim, CA, USA [DOI] [PDF]
[C30] T. Kamalakis, I. Neokosmidis, D.
Varoutas and T. Sphicopoulos, "Demand and Price Evolution
Forecasting as Tools for Facilitating the RoadMapping Process of
the Photonic Component Industry", Proc. Int. Conf. Comp.
& Inf. Sc. Eng. , CISE'06, 16-18 December 2006,
Vienna, Austria.
[C29] C. Deligiorgi, Ch.
Michalakelis, A. Vavoulas and D.
Varoutas, “Nonparametric Estimation of a hedonic price index for
ADSL connections in the European market using the Akaike
Information Criterion”, Proc. Networking
E-Commerce Conf. (NAEC2006), Italy, Oct 2006
[C28] J. Harno, K. R. Renjish Kumar, T.
G. Eskedal, R. Venturin, D. Katsianis and D. Varoutas,
“Techno-Economic evaluation of 3G and beyond mobile business
alternatives”, Proc. 5th Conf. Telecom
TechnoEconomics (CTTE2006), Athens, 8-9
June
2006. [PDF]
[C27] C. Deligiorgi, A. Vavoulas, Ch.
Michalakelis, D. Varoutas and Th. Sphicopoulos “Factors and
characteristics that affect ADSL tariffs” Proc. 5th Conf.
Telecom TechnoEconomics (CTTE2006), Athens, 8-9 June 2006. [PDF]
[C26] D. Katsianis, A. Gyürke, R.
Konkoly, D. Varoutas and Th. Sphicopoulos, “Implementing a Game
Theory model for 3G Operators” Proc. 5th Conf. Telecom
TechnoEconomics (CTTE2006), Athens, 8-9 June 2006. [PDF]
[C25] J. Harno et al, “Validation
of 3G and beyond mobile business scenarios” Proc.
15th IST Mobile and Wireless Communications Summit,
Myconos, Greece, 4-8 June 2006.
[C24] A. Vavoulas, N.
Vaiopoulos, D. Varoutas and G. Stefanou, “Throughput
enhancement of Fixed Broadband Wireless Access systems through a
novel Radio Resource Allocation approach” Proc. EWC 2006 (ISBN 978-3-8007-2961-6), Athens,
2-5 April, 2006 [URL]
[PDF]
[C23] Ch. Michalakelis et
al, “Impact of cross-national diffusion process in
telecommunications demand forecasting”, Proc. Networking
E-Commerce Conf. (NAEC2005), pp 632-640, Italy, Oct 2005 [PDF]
[C22] J. Harno
et al, " Alternatives for mobile operators in the
competitive 3G and beyond business ", Proc. Networking
E-Commerce Conf. (NAEC2005), pp 67-70, Italy, Oct 2005 [PDF]
[C21] D. Katsianis, D.
Varoutas and V. Apostolopoulou, “Dynamic bandwidth allocation
schemes and their evaluation: The case of IST-REPOSIT”,
Proc. IST Mobile and Wireless Communications Summit
2004.
[C20] A. Vavoulas, T. Rokkas,
D. Varoutas and Th. Sphicopoulos, “Intracell and intercell
interference reduction in FBWA networks through enhanced
resource allocation techniques” Proc. 12th
International Conference on Telecommunication Systems,
Modeling and Analysis (ICTSM12), Monterey, USA, 22-25
July, 2004.
[C19] D. Varoutas, A.
Chipouras, A. Arapoyianni and Th. Sphicopoulos, “Electrical
crosstalk estimations on flip-chip and wire-bonded OEICs” Proc.
3rd WSEAS Int. Conf. Applied Informatics Communications. (AIC’03),
Rhodes Nov 15-17, Greece (also published in WSEAS Trans
Comm., Vol.2, pp 338-345).
[C18]J.
Neokosmidis, Th. Kamalakis, A. Chipouras and D. Varoutas,
“Evaluation of the probability density function of the four-wave
mixing noise” Proc. 3rd WSEAS Int. Conf. Applied Informatics
Communications. (AIC’03), Rhodes Nov 15-17, Greece (also
published in WSEAS Trans. Comm., Vol.2, pp 346-348).
[C17] M. Mamalis, D.
Varoutas, A. Chipouras and Th. Kamalakis, “Simple Design Of
Photonic Crystal MMI Couplers“, Proc. 3rd WSEAS Int. Conf.
Applied Informatics Communications. (AIC’03), Rhodes Nov
15-17, Greece (also published in WSEAS Trans Comm.,
Vol.2, pp 334-337).
[C16] I. Welling et al, “Techno-Economic
Evaluation of 3G & WLAN Business Case Feasibility Under
Varying Conditions”. ICT’2003, 10th International
Conference on Telecommunications, IEEE Catalog Number 03EX628C,
ISBN 0-7803-7662-5, 23.2.-1.3.2003. [DOI] [PDF]
[C15] D. Varoutas et al. “3G
MVNOs financial perspectives” Proc. IST Mobile &
Wireless Telecommunications Summit 2002, pp 541-545,
16-19 June, Thessaloniki, Greece [PDF]
[C14] E. Karathanos et
al. “Prospects of the 3G Mobile Networks in Greece” Proc.
IST Mobile & Wireless Telecommunications Summit 2002,
pp 557-561 16-19 June, Thessaloniki, Greece [PDF]
[C13] D. Varoutas et al,
“Mobile Virtual Network Operators: A viable path to enter
the 3G world” 7th European Conference on Networks &
Optical Communications (NOC 2002), Darmstadt, Germany,
June 18 - 21, 2002
[C12] D. Varoutas et al,
“Economic viability of 3G Mobile Virtual Network Operators”
3G Wireless 2002, 28-31 May 2002, San Francisco, USA
[C11] F. Loizillon et al. “Seamless
mobile IP service provision economics” 4th Workshop on
Telecommunications Techno-Economics, Rennes – France,
14-15 May 2002
[C10] D. Varoutas et al.“Techno
Economic analysis of 3G Mobile Virtual Network Operators in
Europe” ” 4th Workshop on Telecommunications
Techno-Economics, Rennes – France, 14-15 May 2002
[C9] D. Katsianis et al. “3G
economics in Greece from now to 2012” 4th Workshop on
Telecommunications Techno-Economics, Rennes – France,
14-15 May 2002
[C8] D. Varoutas et al. “The
Business perspective of UMTS-WLAN deployment” 14th
International Symposium on Services and Local AccesS (ISSLS),
Korea, 14-17 April 2002.
[C7] A. Cerboni et al, "Business
prospects for 3G mobile systems in Europe", presented in ATAMS
2001 "Advanced Technologies, Applications and Market
Strategies for 3G, Poland, June 18-20, 2001
[C6] A. Cerboni et al,
“UMTS-WLAN roaming in hot-spot areas: a techno-economic
study”, 3rd IEEE WLAN Workshop, Sep. 27-28/2001
[C5] A. Cerboni et al, “Economics
of IMT-2000 3G mobile systems” Proc. IEEE GLOBECOM 2000,
pp 236-240, San Francisco, USA, 27/11-1/12/2000. [DOI]
[C4] D. Katsianis et al, “The
economics of next generation mobile systems” XIIIth
International Symposium on Services and Local accesS (ISSLS
2000), Stockholm, Sweden, June 18-23, 2000
[C3] D. Katsianis et al, “Economically
Viable Evolution Path For UMTS” 3rd
European Workshop on Techno-Economics for Multimedia Networks
And Services, Aveiro 14-16 December 1999
[C2] D. Katsianis et al, "A
techno-economic evolutionary path for access technologies",
European Conference on Networks & Optical Communications
NOC’99 Delft, The Netherlands, June 22-24, 1999.
[C1] D. Varoutas et al,
“Electrical crosstalk analysis in OEIC modules”,
Optoelectronic Integrated Circuits and Packaging III,
Proceedings of SPIE Vol. 3631, pp 44- 54 , April 1999, ISBN
0-8194-3101-X
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